From fba3ee23ea9293f0e98cef935c326a869f31e91b Mon Sep 17 00:00:00 2001
From: "dependabot-preview[bot]"
 <27856297+dependabot-preview[bot]@users.noreply.github.com>
Date: Tue, 29 Sep 2020 10:40:26 +0000
Subject: [PATCH 01/22] Bump hashbrown from 0.9.0 to 0.9.1

Bumps [hashbrown](https://github.com/rust-lang/hashbrown) from 0.9.0 to 0.9.1.
- [Release notes](https://github.com/rust-lang/hashbrown/releases)
- [Changelog](https://github.com/rust-lang/hashbrown/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rust-lang/hashbrown/compare/v0.9.0...v0.9.1)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
---
 Cargo.lock | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index d7939e6f..ddcb7075 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -190,7 +190,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "hashbrown"
-version = "0.9.0"
+version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -220,7 +220,7 @@ version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "autocfg 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "hashbrown 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hashbrown 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rayon 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -576,7 +576,7 @@ dependencies = [
 "checksum deflate 0.8.6 (registry+https://github.com/rust-lang/crates.io-index)" = "73770f8e1fe7d64df17ca66ad28994a0a623ea497fa69486e14984e715c5d174"
 "checksum either 1.6.1 (registry+https://github.com/rust-lang/crates.io-index)" = "e78d4f1cc4ae33bbfc157ed5d5a5ef3bc29227303d595861deb238fcec4e9457"
 "checksum glob 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "9b919933a397b79c37e33b77bb2aa3dc8eb6e165ad809e58ff75bc7db2e34574"
-"checksum hashbrown 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "00d63df3d41950fb462ed38308eea019113ad1508da725bbedcd0fa5a85ef5f7"
+"checksum hashbrown 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)" = "d7afe4a420e3fe79967a00898cc1f4db7c8a49a9333a29f8a4bd76a253d5cd04"
 "checksum hermit-abi 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)" = "4c30f6d0bc6b00693347368a67d41b58f2fb851215ff1da49e90fe2c5c667151"
 "checksum image 0.23.10 (registry+https://github.com/rust-lang/crates.io-index)" = "985fc06b1304d19c28d5c562ed78ef5316183f2b0053b46763a0b94862373c34"
 "checksum indexmap 1.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "55e2e4c765aa53a0424761bf9f41aa7a6ac1efa87238f59560640e27fca028f2"

From 38e62f7ce571d22b4796d225277bb9cfdcc6f486 Mon Sep 17 00:00:00 2001
From: "dependabot-preview[bot]"
 <27856297+dependabot-preview[bot]@users.noreply.github.com>
Date: Wed, 30 Sep 2020 10:43:44 +0000
Subject: [PATCH 02/22] Bump rayon from 1.4.0 to 1.4.1

Bumps [rayon](https://github.com/rayon-rs/rayon) from 1.4.0 to 1.4.1.
- [Release notes](https://github.com/rayon-rs/rayon/releases)
- [Changelog](https://github.com/rayon-rs/rayon/blob/master/RELEASES.md)
- [Commits](https://github.com/rayon-rs/rayon/compare/rayon-core-v1.4.0...rayon-core-v1.4.1)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
---
 Cargo.lock | 8 ++++----
 Cargo.toml | 2 +-
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index ddcb7075..16f02d08 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -221,7 +221,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "autocfg 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "hashbrown 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "rayon 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rayon 1.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -357,7 +357,7 @@ dependencies = [
  "libdeflater 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "miniz_oxide 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "rayon 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rayon 1.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rgb 0.8.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "stderrlog 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -378,7 +378,7 @@ dependencies = [
 
 [[package]]
 name = "rayon"
-version = "1.4.0"
+version = "1.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "autocfg 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -596,7 +596,7 @@ dependencies = [
 "checksum num-traits 0.2.12 (registry+https://github.com/rust-lang/crates.io-index)" = "ac267bcc07f48ee5f8935ab0d24f316fb722d7a1292e2913f0cc196b29ffd611"
 "checksum num_cpus 1.13.0 (registry+https://github.com/rust-lang/crates.io-index)" = "05499f3756671c15885fee9034446956fff3f243d6077b91e5767df161f766b3"
 "checksum png 0.16.7 (registry+https://github.com/rust-lang/crates.io-index)" = "dfe7f9f1c730833200b134370e1d5098964231af8450bce9b78ee3ab5278b970"
-"checksum rayon 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "cfd016f0c045ad38b5251be2c9c0ab806917f82da4d36b2a327e5166adad9270"
+"checksum rayon 1.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "dcf6960dc9a5b4ee8d3e4c5787b4a112a8818e0290a42ff664ad60692fdf2032"
 "checksum rayon-core 1.8.1 (registry+https://github.com/rust-lang/crates.io-index)" = "e8c4fec834fb6e6d2dd5eece3c7b432a52f0ba887cf40e595190c4107edc08bf"
 "checksum rgb 0.8.25 (registry+https://github.com/rust-lang/crates.io-index)" = "287f3c3f8236abb92d8b7e36797f19159df4b58f0a658cc3fb6dd3004b1f3bd3"
 "checksum rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
diff --git a/Cargo.toml b/Cargo.toml
index 0af94d4d..83143cac 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -43,7 +43,7 @@ stderrlog = { version = "0.5.0", optional = true }
 
 [dependencies.rayon]
 optional = true
-version = "^1.4.0"
+version = "^1.4.1"
 
 [dependencies.clap]
 optional = true

From c4d1f3d3543a9a3e0aaff06b501989f11ead4cc5 Mon Sep 17 00:00:00 2001
From: "dependabot-preview[bot]"
 <27856297+dependabot-preview[bot]@users.noreply.github.com>
Date: Thu, 1 Oct 2020 10:24:20 +0000
Subject: [PATCH 03/22] Bump chrono from 0.4.18 to 0.4.19

Bumps [chrono](https://github.com/chronotope/chrono) from 0.4.18 to 0.4.19.
- [Release notes](https://github.com/chronotope/chrono/releases)
- [Changelog](https://github.com/chronotope/chrono/blob/main/CHANGELOG.md)
- [Commits](https://github.com/chronotope/chrono/compare/v0.4.18...v0.4.19)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
---
 Cargo.lock | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 16f02d08..5ee8bedd 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -70,7 +70,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "chrono"
-version = "0.4.18"
+version = "0.4.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "libc 0.2.77 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -439,7 +439,7 @@ version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "atty 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)",
- "chrono 0.4.18 (registry+https://github.com/rust-lang/crates.io-index)",
+ "chrono 0.4.19 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "termcolor 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "thread_local 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -563,7 +563,7 @@ dependencies = [
 "checksum byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "08c48aae112d48ed9f069b33538ea9e3e90aa263cfa3d1c24309612b1f7472de"
 "checksum cc 1.0.60 (registry+https://github.com/rust-lang/crates.io-index)" = "ef611cc68ff783f18535d77ddd080185275713d852c4f5cbb6122c462a7a825c"
 "checksum cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)" = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
-"checksum chrono 0.4.18 (registry+https://github.com/rust-lang/crates.io-index)" = "d021fddb7bd3e734370acfa4a83f34095571d8570c039f1420d77540f68d5772"
+"checksum chrono 0.4.19 (registry+https://github.com/rust-lang/crates.io-index)" = "670ad68c9088c2a963aaa298cb369688cf3f9465ce5e2d4ca10e6e0098a1ce73"
 "checksum clap 2.33.3 (registry+https://github.com/rust-lang/crates.io-index)" = "37e58ac78573c40708d45522f0d80fa2f01cc4f9b4e2bf749807255454312002"
 "checksum cloudflare-zlib 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)" = "f5ed63a019d55bacd15cadcbcb96bf41b16281417fff393bdb55fa84255fe4b9"
 "checksum cloudflare-zlib-sys 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7e195cb274a0d6ee87e718838a09baecd7cbc9f6075dac256a84cb5842739c06"

From cfcda58ba74d2248a799d3838f0d93b120375c14 Mon Sep 17 00:00:00 2001
From: "dependabot-preview[bot]"
 <27856297+dependabot-preview[bot]@users.noreply.github.com>
Date: Thu, 1 Oct 2020 10:36:38 +0000
Subject: [PATCH 04/22] Bump libc from 0.2.77 to 0.2.78

Bumps [libc](https://github.com/rust-lang/libc) from 0.2.77 to 0.2.78.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.77...0.2.78)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
---
 Cargo.lock | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 5ee8bedd..286f0c61 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -24,7 +24,7 @@ version = "0.2.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "hermit-abi 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.77 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.78 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -73,7 +73,7 @@ name = "chrono"
 version = "0.4.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.77 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.78 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-integer 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-traits 0.2.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.44 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -198,7 +198,7 @@ name = "hermit-abi"
 version = "0.1.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.77 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.78 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -239,7 +239,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "libc"
-version = "0.2.77"
+version = "0.2.78"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -339,7 +339,7 @@ version = "1.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "hermit-abi 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.77 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.78 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -479,7 +479,7 @@ name = "time"
 version = "0.1.44"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.77 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.78 (registry+https://github.com/rust-lang/crates.io-index)",
  "wasi 0.10.0+wasi-snapshot-preview1 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -582,7 +582,7 @@ dependencies = [
 "checksum indexmap 1.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "55e2e4c765aa53a0424761bf9f41aa7a6ac1efa87238f59560640e27fca028f2"
 "checksum itertools 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "284f18f85651fe11e8a991b2adb42cb078325c996ed026d994719efcfca1d54b"
 "checksum lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
-"checksum libc 0.2.77 (registry+https://github.com/rust-lang/crates.io-index)" = "f2f96b10ec2560088a8e76961b00d47107b3a625fecb76dedb29ee7ccbf98235"
+"checksum libc 0.2.78 (registry+https://github.com/rust-lang/crates.io-index)" = "aa7087f49d294270db4e1928fc110c976cd4b9e5a16348e0a1df09afa99e6c98"
 "checksum libdeflate-sys 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "21e39efa87b84db3e13ff4e2dfac1e57220abcbd7fe8ec44d238f7f4f787cc1f"
 "checksum libdeflater 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a4810980d791f26d470e2d7d91a3d4d22aa3a4b709fb7e9c5e43ee54f83a01f2"
 "checksum log 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)" = "4fabed175da42fed1fa0746b0ea71f412aa9d35e76e95e59b192c64b9dc2bf8b"

From c84009e9f9d2ef1354b365d11c931de8500b50dc Mon Sep 17 00:00:00 2001
From: "dependabot-preview[bot]"
 <27856297+dependabot-preview[bot]@users.noreply.github.com>
Date: Mon, 5 Oct 2020 10:21:50 +0000
Subject: [PATCH 05/22] Bump libc from 0.2.78 to 0.2.79

Bumps [libc](https://github.com/rust-lang/libc) from 0.2.78 to 0.2.79.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.78...0.2.79)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
---
 Cargo.lock | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 286f0c61..ecbb20c5 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -24,7 +24,7 @@ version = "0.2.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "hermit-abi 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.78 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.79 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -73,7 +73,7 @@ name = "chrono"
 version = "0.4.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.78 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.79 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-integer 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-traits 0.2.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.44 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -198,7 +198,7 @@ name = "hermit-abi"
 version = "0.1.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.78 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.79 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -239,7 +239,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "libc"
-version = "0.2.78"
+version = "0.2.79"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -339,7 +339,7 @@ version = "1.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "hermit-abi 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.78 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.79 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -479,7 +479,7 @@ name = "time"
 version = "0.1.44"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.78 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.79 (registry+https://github.com/rust-lang/crates.io-index)",
  "wasi 0.10.0+wasi-snapshot-preview1 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -582,7 +582,7 @@ dependencies = [
 "checksum indexmap 1.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "55e2e4c765aa53a0424761bf9f41aa7a6ac1efa87238f59560640e27fca028f2"
 "checksum itertools 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "284f18f85651fe11e8a991b2adb42cb078325c996ed026d994719efcfca1d54b"
 "checksum lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
-"checksum libc 0.2.78 (registry+https://github.com/rust-lang/crates.io-index)" = "aa7087f49d294270db4e1928fc110c976cd4b9e5a16348e0a1df09afa99e6c98"
+"checksum libc 0.2.79 (registry+https://github.com/rust-lang/crates.io-index)" = "2448f6066e80e3bfc792e9c98bf705b4b0fc6e8ef5b43e5889aff0eaa9c58743"
 "checksum libdeflate-sys 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "21e39efa87b84db3e13ff4e2dfac1e57220abcbd7fe8ec44d238f7f4f787cc1f"
 "checksum libdeflater 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a4810980d791f26d470e2d7d91a3d4d22aa3a4b709fb7e9c5e43ee54f83a01f2"
 "checksum log 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)" = "4fabed175da42fed1fa0746b0ea71f412aa9d35e76e95e59b192c64b9dc2bf8b"

From f5e2de67958f8a9a879bee6be0d6adaf67d6da09 Mon Sep 17 00:00:00 2001
From: "dependabot-preview[bot]"
 <27856297+dependabot-preview[bot]@users.noreply.github.com>
Date: Tue, 6 Oct 2020 10:36:47 +0000
Subject: [PATCH 06/22] Bump hermit-abi from 0.1.16 to 0.1.17

Bumps [hermit-abi](https://github.com/hermitcore/libhermit-rs) from 0.1.16 to 0.1.17.
- [Release notes](https://github.com/hermitcore/libhermit-rs/releases)
- [Commits](https://github.com/hermitcore/libhermit-rs/commits)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
---
 Cargo.lock | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index ecbb20c5..641c48e6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -23,7 +23,7 @@ name = "atty"
 version = "0.2.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "hermit-abi 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hermit-abi 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.79 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -195,7 +195,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "hermit-abi"
-version = "0.1.16"
+version = "0.1.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "libc 0.2.79 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -338,7 +338,7 @@ name = "num_cpus"
 version = "1.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "hermit-abi 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hermit-abi 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.79 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -577,7 +577,7 @@ dependencies = [
 "checksum either 1.6.1 (registry+https://github.com/rust-lang/crates.io-index)" = "e78d4f1cc4ae33bbfc157ed5d5a5ef3bc29227303d595861deb238fcec4e9457"
 "checksum glob 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "9b919933a397b79c37e33b77bb2aa3dc8eb6e165ad809e58ff75bc7db2e34574"
 "checksum hashbrown 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)" = "d7afe4a420e3fe79967a00898cc1f4db7c8a49a9333a29f8a4bd76a253d5cd04"
-"checksum hermit-abi 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)" = "4c30f6d0bc6b00693347368a67d41b58f2fb851215ff1da49e90fe2c5c667151"
+"checksum hermit-abi 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)" = "5aca5565f760fb5b220e499d72710ed156fdb74e631659e99377d9ebfbd13ae8"
 "checksum image 0.23.10 (registry+https://github.com/rust-lang/crates.io-index)" = "985fc06b1304d19c28d5c562ed78ef5316183f2b0053b46763a0b94862373c34"
 "checksum indexmap 1.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "55e2e4c765aa53a0424761bf9f41aa7a6ac1efa87238f59560640e27fca028f2"
 "checksum itertools 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "284f18f85651fe11e8a991b2adb42cb078325c996ed026d994719efcfca1d54b"

From 0ff9edd605ee6dd2a4b7579d78a241d2c23ba622 Mon Sep 17 00:00:00 2001
From: "dependabot-preview[bot]"
 <27856297+dependabot-preview[bot]@users.noreply.github.com>
Date: Thu, 8 Oct 2020 10:25:25 +0000
Subject: [PATCH 07/22] Bump miniz_oxide from 0.4.2 to 0.4.3

Bumps [miniz_oxide](https://github.com/Frommi/miniz_oxide) from 0.4.2 to 0.4.3.
- [Release notes](https://github.com/Frommi/miniz_oxide/releases)
- [Changelog](https://github.com/Frommi/miniz_oxide/blob/master/CHANGELOG.md)
- [Commits](https://github.com/Frommi/miniz_oxide/compare/0.4.2...0.4.3)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
---
 Cargo.lock | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 641c48e6..dcccb697 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -289,7 +289,7 @@ dependencies = [
 
 [[package]]
 name = "miniz_oxide"
-version = "0.4.2"
+version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "adler 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -356,7 +356,7 @@ dependencies = [
  "itertools 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "libdeflater 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "miniz_oxide 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "miniz_oxide 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "rayon 1.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rgb 0.8.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -589,7 +589,7 @@ dependencies = [
 "checksum maybe-uninit 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "60302e4db3a61da70c0cb7991976248362f30319e88850c487b9b95bbf059e00"
 "checksum memoffset 0.5.6 (registry+https://github.com/rust-lang/crates.io-index)" = "043175f069eda7b85febe4a74abbaeff828d9f8b448515d3151a14a3542811aa"
 "checksum miniz_oxide 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)" = "791daaae1ed6889560f8c4359194f56648355540573244a5448a83ba1ecc7435"
-"checksum miniz_oxide 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "c60c0dfe32c10b43a144bad8fc83538c52f58302c92300ea7ec7bf7b38d5a7b9"
+"checksum miniz_oxide 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)" = "0f2d26ec3309788e423cfbf68ad1800f061638098d76a83681af979dc4eda19d"
 "checksum num-integer 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)" = "8d59457e662d541ba17869cf51cf177c0b5f0cbf476c66bdc90bf1edac4f875b"
 "checksum num-iter 0.1.41 (registry+https://github.com/rust-lang/crates.io-index)" = "7a6e6b7c748f995c4c29c5f5ae0248536e04a5739927c74ec0fa564805094b9f"
 "checksum num-rational 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a5b4d7360f362cfb50dde8143501e6940b22f644be75a4cc90b2d81968908138"

From 0d9c23f4ceafc75adbcdbafba30f85b1f024fdd0 Mon Sep 17 00:00:00 2001
From: Josh Holmer <jholmer.in@gmail.com>
Date: Fri, 9 Oct 2020 20:09:26 -0400
Subject: [PATCH 08/22] Fix new clippy lints from Rust 1.47

---
 src/reduction/alpha.rs | 28 +++++++---------------------
 1 file changed, 7 insertions(+), 21 deletions(-)

diff --git a/src/reduction/alpha.rs b/src/reduction/alpha.rs
index 8412aba1..cd25a81a 100644
--- a/src/reduction/alpha.rs
+++ b/src/reduction/alpha.rs
@@ -64,9 +64,7 @@ fn reduced_alpha_to_black(png: &PngImage, bpc: usize, bpp: usize) -> Vec<u8> {
         reduced.push(line.filter);
         for pixel in line.data.chunks(bpp) {
             if pixel.iter().skip(bpp - bpc).fold(0, |sum, i| sum | i) == 0 {
-                for _ in 0..bpp {
-                    reduced.push(0);
-                }
+                reduced.resize(reduced.len() + bpp, 0);
             } else {
                 reduced.extend_from_slice(pixel);
             }
@@ -81,12 +79,8 @@ fn reduced_alpha_to_white(png: &PngImage, bpc: usize, bpp: usize) -> Vec<u8> {
         reduced.push(line.filter);
         for pixel in line.data.chunks(bpp) {
             if pixel.iter().skip(bpp - bpc).fold(0, |sum, i| sum | i) == 0 {
-                for _ in 0..(bpp - bpc) {
-                    reduced.push(255);
-                }
-                for _ in 0..bpc {
-                    reduced.push(0);
-                }
+                reduced.resize(reduced.len() + bpp - bpc, 255);
+                reduced.resize(reduced.len() + bpc, 0);
             } else {
                 reduced.extend_from_slice(pixel);
             }
@@ -109,9 +103,7 @@ fn reduced_alpha_to_up(png: &PngImage, bpc: usize, bpp: usize) -> Vec<u8> {
         for (pixel, last_pixel) in line.data.chunks(bpp).zip(last_line.chunks(bpp)) {
             if pixel.iter().skip(bpp - bpc).fold(0, |sum, i| sum | i) == 0 {
                 current_line.extend_from_slice(&last_pixel[0..(bpp - bpc)]);
-                for _ in 0..bpc {
-                    current_line.push(0);
-                }
+                current_line.resize(current_line.len() + bpc, 0);
             } else {
                 current_line.extend_from_slice(pixel);
             }
@@ -134,9 +126,7 @@ fn reduced_alpha_to_down(png: &PngImage, bpc: usize, bpp: usize) -> Vec<u8> {
         for (pixel, last_pixel) in line.data.chunks(bpp).zip(last_line.chunks(bpp)) {
             if pixel.iter().skip(bpp - bpc).fold(0, |sum, i| sum | i) == 0 {
                 reduced.extend_from_slice(&last_pixel[0..(bpp - bpc)]);
-                for _ in 0..bpc {
-                    reduced.push(0);
-                }
+                reduced.resize(reduced.len() + bpc, 0);
             } else {
                 reduced.extend_from_slice(pixel);
             }
@@ -154,9 +144,7 @@ fn reduced_alpha_to_left(png: &PngImage, bpc: usize, bpp: usize) -> Vec<u8> {
         for pixel in line.data.chunks(bpp).rev() {
             if pixel.iter().skip(bpp - bpc).fold(0, |sum, i| sum | i) == 0 {
                 line_bytes.extend_from_slice(&last_pixel[0..(bpp - bpc)]);
-                for _ in 0..bpc {
-                    line_bytes.push(0);
-                }
+                line_bytes.resize(line_bytes.len() + bpc, 0);
             } else {
                 line_bytes.extend_from_slice(pixel);
             }
@@ -176,9 +164,7 @@ fn reduced_alpha_to_right(png: &PngImage, bpc: usize, bpp: usize) -> Vec<u8> {
         for pixel in line.data.chunks(bpp) {
             if pixel.iter().skip(bpp - bpc).fold(0, |sum, i| sum | i) == 0 {
                 reduced.extend_from_slice(&last_pixel[0..(bpp - bpc)]);
-                for _ in 0..bpc {
-                    reduced.push(0);
-                }
+                reduced.resize(reduced.len() + bpc, 0);
             } else {
                 reduced.extend_from_slice(pixel);
             }

From 460aeb32e2de63a9c0c10615e9520a2252885dbb Mon Sep 17 00:00:00 2001
From: "dependabot-preview[bot]"
 <27856297+dependabot-preview[bot]@users.noreply.github.com>
Date: Sun, 11 Oct 2020 16:45:11 +0000
Subject: [PATCH 09/22] Bump cc from 1.0.60 to 1.0.61

Bumps [cc](https://github.com/alexcrichton/cc-rs) from 1.0.60 to 1.0.61.
- [Release notes](https://github.com/alexcrichton/cc-rs/releases)
- [Commits](https://github.com/alexcrichton/cc-rs/compare/1.0.60...1.0.61)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
---
 Cargo.lock | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index dcccb697..46aba376 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -60,7 +60,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "cc"
-version = "1.0.60"
+version = "1.0.61"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -107,7 +107,7 @@ name = "cloudflare-zlib-sys"
 version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cc 1.0.60 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.61 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -247,7 +247,7 @@ name = "libdeflate-sys"
 version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cc 1.0.60 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.61 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -561,7 +561,7 @@ dependencies = [
 "checksum build_const 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "39092a32794787acd8525ee150305ff051b0aa6cc2abaf193924f5ab05425f39"
 "checksum bytemuck 1.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "41aa2ec95ca3b5c54cf73c91acf06d24f4495d5f1b1c12506ae3483d646177ac"
 "checksum byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "08c48aae112d48ed9f069b33538ea9e3e90aa263cfa3d1c24309612b1f7472de"
-"checksum cc 1.0.60 (registry+https://github.com/rust-lang/crates.io-index)" = "ef611cc68ff783f18535d77ddd080185275713d852c4f5cbb6122c462a7a825c"
+"checksum cc 1.0.61 (registry+https://github.com/rust-lang/crates.io-index)" = "ed67cbde08356238e75fc4656be4749481eeffb09e19f320a25237d5221c985d"
 "checksum cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)" = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
 "checksum chrono 0.4.19 (registry+https://github.com/rust-lang/crates.io-index)" = "670ad68c9088c2a963aaa298cb369688cf3f9465ce5e2d4ca10e6e0098a1ce73"
 "checksum clap 2.33.3 (registry+https://github.com/rust-lang/crates.io-index)" = "37e58ac78573c40708d45522f0d80fa2f01cc4f9b4e2bf749807255454312002"

From 7167a5e44d1b5610ac64478f520b8bdaa185983b Mon Sep 17 00:00:00 2001
From: Ingvar Stepanyan <rreverser@google.com>
Date: Sun, 11 Oct 2020 23:53:00 +0100
Subject: [PATCH 10/22] Use the new stabilised fetch_min (#328)

A minor simplification using the corresponding new standard library function.

Bumps minimum Rust version to 1.45.0
---
 .github/workflows/oxipng.yml |  2 +-
 src/atomicmin.rs             | 16 ++--------------
 2 files changed, 3 insertions(+), 15 deletions(-)

diff --git a/.github/workflows/oxipng.yml b/.github/workflows/oxipng.yml
index 14bef97c..9b21cf8f 100644
--- a/.github/workflows/oxipng.yml
+++ b/.github/workflows/oxipng.yml
@@ -19,7 +19,7 @@ jobs:
         - x86_64-apple-darwin
         toolchain:
         # Minimum stable
-        - "1.41.0"
+        - "1.45.0"
         - stable
         - beta
         - nightly
diff --git a/src/atomicmin.rs b/src/atomicmin.rs
index 0d867fc3..af2287a9 100644
--- a/src/atomicmin.rs
+++ b/src/atomicmin.rs
@@ -1,5 +1,5 @@
 use std::sync::atomic::AtomicUsize;
-use std::sync::atomic::Ordering::{Relaxed, SeqCst};
+use std::sync::atomic::Ordering::SeqCst;
 
 #[derive(Debug)]
 pub struct AtomicMin {
@@ -28,18 +28,6 @@ impl AtomicMin {
     }
 
     pub fn set_min(&self, new_val: usize) {
-        let mut current_val = self.val.load(Relaxed);
-        loop {
-            if new_val < current_val {
-                if let Err(v) = self
-                    .val
-                    .compare_exchange(current_val, new_val, SeqCst, Relaxed)
-                {
-                    current_val = v;
-                    continue;
-                }
-            }
-            break;
-        }
+        self.val.fetch_min(new_val, SeqCst);
     }
 }

From 5e7c4bc702336154f557477c687e8fa357a97e1c Mon Sep 17 00:00:00 2001
From: Josh Holmer <jholmer.in@gmail.com>
Date: Sun, 11 Oct 2020 18:53:29 -0400
Subject: [PATCH 11/22] Remove autosquash

It's broken and not worth the hassle
---
 .github/workflows/autosquash.yml | 39 --------------------------------
 1 file changed, 39 deletions(-)
 delete mode 100644 .github/workflows/autosquash.yml

diff --git a/.github/workflows/autosquash.yml b/.github/workflows/autosquash.yml
deleted file mode 100644
index a898991c..00000000
--- a/.github/workflows/autosquash.yml
+++ /dev/null
@@ -1,39 +0,0 @@
-name: Autosquash
-on:
-  check_run:
-    types:
-      # Check runs completing successfully can unblock the
-      # corresponding pull requests and make them mergeable.
-      - completed
-  pull_request:
-    types:
-      # A closed pull request makes the checks on the other
-      # pull request on the same base outdated.
-      - closed
-      # Adding the autosquash label to a pull request can
-      # trigger an update or a merge.
-      - labeled
-  pull_request_review:
-    types:
-      # Review approvals can unblock the pull request and
-      # make it mergeable.
-      - submitted
-  # Success statuses can unblock the corresponding
-  # pull requests and make them mergeable.
-  status: {}
-
-jobs:
-  autosquash:
-    name: Autosquash
-    runs-on: ubuntu-18.04
-    steps:
-      - uses: tibdex/autosquash@v2
-        with:
-          # We can't use the built-in secrets.GITHUB_TOKEN yet because of this limitation:
-          # https://github.community/t5/GitHub-Actions/Triggering-a-new-workflow-from-another-workflow/td-p/31676
-          # In the meantime, use a token granting write access on the repo:
-          # - a GitHub App token
-          #   See https://github.com/marketplace/actions/github-app-token.
-          # - a personal access token
-          #   See https://help.github.com/en/articles/creating-a-personal-access-token-for-the-command-line.
-          github_token: ${{ secrets.AUTOSQUASH_TOKEN }}

From 39978b475dae6172642c644e4e48fe6bf0bcba64 Mon Sep 17 00:00:00 2001
From: "dependabot-preview[bot]"
 <27856297+dependabot-preview[bot]@users.noreply.github.com>
Date: Thu, 22 Oct 2020 10:23:32 +0000
Subject: [PATCH 12/22] Bump rayon-core from 1.8.1 to 1.9.0

Bumps [rayon-core](https://github.com/rayon-rs/rayon) from 1.8.1 to 1.9.0.
- [Release notes](https://github.com/rayon-rs/rayon/releases)
- [Changelog](https://github.com/rayon-rs/rayon/blob/master/RELEASES.md)
- [Commits](https://github.com/rayon-rs/rayon/compare/rayon-core-v1.8.1...rayon-core-v1.9.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
---
 Cargo.lock | 427 +++++++++++++++++++++++++++++------------------------
 1 file changed, 237 insertions(+), 190 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 46aba376..f4f5203e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4,618 +4,665 @@
 name = "adler"
 version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ee2a4ec343196209d6594e19543ae87a39f96d5534d7174822a3ad825dd6ed7e"
 
 [[package]]
 name = "adler32"
 version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "aae1277d39aeec15cb388266ecc24b11c80469deae6067e17a1a7aa9e5c1f234"
 
 [[package]]
 name = "ansi_term"
 version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ee49baf6cb617b853aa8d93bf420db2383fab46d314482ca2803b40d5fde979b"
 dependencies = [
- "winapi 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi",
 ]
 
 [[package]]
 name = "atty"
 version = "0.2.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"
 dependencies = [
- "hermit-abi 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.79 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hermit-abi",
+ "libc",
+ "winapi",
 ]
 
 [[package]]
 name = "autocfg"
 version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
 
 [[package]]
 name = "bit-vec"
 version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5f0dc55f2d8a1a85650ac47858bb001b4c0dd73d79e3c455a842925e68d29cd3"
 
 [[package]]
 name = "bitflags"
 version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
 
 [[package]]
 name = "build_const"
 version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "39092a32794787acd8525ee150305ff051b0aa6cc2abaf193924f5ab05425f39"
 
 [[package]]
 name = "bytemuck"
 version = "1.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "41aa2ec95ca3b5c54cf73c91acf06d24f4495d5f1b1c12506ae3483d646177ac"
 
 [[package]]
 name = "byteorder"
 version = "1.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "08c48aae112d48ed9f069b33538ea9e3e90aa263cfa3d1c24309612b1f7472de"
 
 [[package]]
 name = "cc"
 version = "1.0.61"
 source = "registry+https://github.com/rust-lang/crates.io-index"
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From 147e0fbf5b2dcbdcfb4eea6fa0cc0c5d3e44e8b9 Mon Sep 17 00:00:00 2001
From: "dependabot-preview[bot]"
 <27856297+dependabot-preview[bot]@users.noreply.github.com>
Date: Thu, 22 Oct 2020 10:34:53 +0000
Subject: [PATCH 13/22] Bump rayon from 1.4.1 to 1.5.0

Bumps [rayon](https://github.com/rayon-rs/rayon) from 1.4.1 to 1.5.0.
- [Release notes](https://github.com/rayon-rs/rayon/releases)
- [Changelog](https://github.com/rayon-rs/rayon/blob/master/RELEASES.md)
- [Commits](https://github.com/rayon-rs/rayon/compare/rayon-core-v1.4.1...rayon-core-v1.5.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
---
 Cargo.lock | 61 ++++++++----------------------------------------------
 Cargo.toml |  2 +-
 2 files changed, 10 insertions(+), 53 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index f4f5203e..364c0296 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -163,18 +163,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dca26ee1f8d361640700bde38b2c37d8c22b3ce2d360e1fc1c74ea4b0aa7d775"
 dependencies = [
  "cfg-if 1.0.0",
- "crossbeam-utils 0.8.0",
-]
-
-[[package]]
-name = "crossbeam-deque"
-version = "0.7.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9f02af974daeee82218205558e51ec8768b48cf524bd01d550abe5573a608285"
-dependencies = [
- "crossbeam-epoch 0.8.2",
- "crossbeam-utils 0.7.2",
- "maybe-uninit",
+ "crossbeam-utils",
 ]
 
 [[package]]
@@ -184,23 +173,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "94af6efb46fef72616855b036a624cf27ba656ffc9be1b9a3c931cfc7749a9a9"
 dependencies = [
  "cfg-if 1.0.0",
- "crossbeam-epoch 0.9.0",
- "crossbeam-utils 0.8.0",
-]
-
-[[package]]
-name = "crossbeam-epoch"
-version = "0.8.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "058ed274caafc1f60c4997b5fc07bf7dc7cca454af7c6e81edffe5f33f70dace"
-dependencies = [
- "autocfg",
- "cfg-if 0.1.10",
- "crossbeam-utils 0.7.2",
- "lazy_static",
- "maybe-uninit",
- "memoffset",
- "scopeguard",
+ "crossbeam-epoch",
+ "crossbeam-utils",
 ]
 
 [[package]]
@@ -211,23 +185,12 @@ checksum = "ec0f606a85340376eef0d6d8fec399e6d4a544d648386c6645eb6d0653b27d9f"
 dependencies = [
  "cfg-if 1.0.0",
  "const_fn",
- "crossbeam-utils 0.8.0",
+ "crossbeam-utils",
  "lazy_static",
  "memoffset",
  "scopeguard",
 ]
 
-[[package]]
-name = "crossbeam-utils"
-version = "0.7.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c3c7c73a2d1e9fc0886a08b93e98eb643461230d5f1925e4036204d5f2e261a8"
-dependencies = [
- "autocfg",
- "cfg-if 0.1.10",
- "lazy_static",
-]
-
 [[package]]
 name = "crossbeam-utils"
 version = "0.8.0"
@@ -350,12 +313,6 @@ dependencies = [
  "cfg-if 0.1.10",
 ]
 
-[[package]]
-name = "maybe-uninit"
-version = "2.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "60302e4db3a61da70c0cb7991976248362f30319e88850c487b9b95bbf059e00"
-
 [[package]]
 name = "memoffset"
 version = "0.5.6"
@@ -472,12 +429,12 @@ dependencies = [
 
 [[package]]
 name = "rayon"
-version = "1.4.1"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dcf6960dc9a5b4ee8d3e4c5787b4a112a8818e0290a42ff664ad60692fdf2032"
+checksum = "8b0d8e0819fadc20c74ea8373106ead0600e3a67ef1fe8da56e39b9ae7275674"
 dependencies = [
  "autocfg",
- "crossbeam-deque 0.7.3",
+ "crossbeam-deque",
  "either",
  "rayon-core",
 ]
@@ -489,8 +446,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9ab346ac5921dc62ffa9f89b7a773907511cdfa5490c572ae9be1be33e8afa4a"
 dependencies = [
  "crossbeam-channel",
- "crossbeam-deque 0.8.0",
- "crossbeam-utils 0.8.0",
+ "crossbeam-deque",
+ "crossbeam-utils",
  "lazy_static",
  "num_cpus",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 83143cac..25190265 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -43,7 +43,7 @@ stderrlog = { version = "0.5.0", optional = true }
 
 [dependencies.rayon]
 optional = true
-version = "^1.4.1"
+version = "^1.5.0"
 
 [dependencies.clap]
 optional = true

From bd0c4061bde45f76fbf0a120e3c4d86a34c57304 Mon Sep 17 00:00:00 2001
From: "dependabot-preview[bot]"
 <27856297+dependabot-preview[bot]@users.noreply.github.com>
Date: Thu, 22 Oct 2020 10:49:00 +0000
Subject: [PATCH 14/22] Bump crc32fast from 1.2.0 to 1.2.1

Bumps [crc32fast](https://github.com/srijs/rust-crc32fast) from 1.2.0 to 1.2.1.
- [Release notes](https://github.com/srijs/rust-crc32fast/releases)
- [Commits](https://github.com/srijs/rust-crc32fast/compare/v1.2.0...v1.2.1)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
---
 Cargo.lock | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 364c0296..f0bb2296 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -149,11 +149,11 @@ dependencies = [
 
 [[package]]
 name = "crc32fast"
-version = "1.2.0"
+version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ba125de2af0df55319f41944744ad91c71113bf74a4646efff39afe1f6842db1"
+checksum = "81156fece84ab6a9f2afdb109ce3ae577e42b1228441eded99bd77f627953b1a"
 dependencies = [
- "cfg-if 0.1.10",
+ "cfg-if 1.0.0",
 ]
 
 [[package]]

From b446a8a92e3b21b3edc21a86e7c4eb773eac6d0c Mon Sep 17 00:00:00 2001
From: Josh Holmer <jholmer.in@gmail.com>
Date: Thu, 22 Oct 2020 09:51:25 -0400
Subject: [PATCH 15/22] Optimize reading in files

---
 src/png/mod.rs | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

diff --git a/src/png/mod.rs b/src/png/mod.rs
index ee425ae6..f2aa30b9 100644
--- a/src/png/mod.rs
+++ b/src/png/mod.rs
@@ -10,7 +10,7 @@ use indexmap::IndexMap;
 use rgb::ComponentSlice;
 use rgb::RGBA8;
 use std::fs::File;
-use std::io::{Read, Seek, SeekFrom};
+use std::io::{BufReader, Read};
 use std::iter::Iterator;
 use std::path::Path;
 use std::sync::Arc;
@@ -62,25 +62,24 @@ impl PngData {
     }
 
     pub fn read_file(filepath: &Path) -> Result<Vec<u8>, PngError> {
-        let mut file = match File::open(filepath) {
+        let file = match File::open(filepath) {
             Ok(f) => f,
             Err(_) => return Err(PngError::new("Failed to open file for reading")),
         };
+        let file_len = file.metadata().map(|m| m.len() as usize).unwrap_or(0);
+        let mut reader = BufReader::new(file);
         // Check file for PNG header
         let mut header = [0; 8];
-        if file.read_exact(&mut header).is_err() {
+        if reader.read_exact(&mut header).is_err() {
             return Err(PngError::new("Not a PNG file: too small"));
         }
         if !file_header_is_valid(&header) {
             return Err(PngError::new("Invalid PNG header detected"));
         }
-        if file.seek(SeekFrom::Start(0)).is_err() {
-            return Err(PngError::new("Failed to read from file"));
-        }
         // Read raw png data into memory
-        let mut byte_data: Vec<u8> =
-            Vec::with_capacity(file.metadata().map(|m| m.len() as usize).unwrap_or(0));
-        match file.read_to_end(&mut byte_data) {
+        let mut byte_data: Vec<u8> = Vec::with_capacity(file_len);
+        byte_data.extend_from_slice(&header);
+        match reader.read_to_end(&mut byte_data) {
             Ok(_) => (),
             Err(_) => return Err(PngError::new("Failed to read from file")),
         }

From bb94e3b2282da1a0969c8537d97803d93748bfe3 Mon Sep 17 00:00:00 2001
From: "dependabot-preview[bot]"
 <27856297+dependabot-preview[bot]@users.noreply.github.com>
Date: Mon, 26 Oct 2020 10:23:26 +0000
Subject: [PATCH 16/22] Bump image from 0.23.10 to 0.23.11

Bumps [image](https://github.com/image-rs/image) from 0.23.10 to 0.23.11.
- [Release notes](https://github.com/image-rs/image/releases)
- [Changelog](https://github.com/image-rs/image/blob/master/CHANGES.md)
- [Commits](https://github.com/image-rs/image/commits)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
---
 Cargo.lock | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index f0bb2296..a3b17451 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -132,6 +132,12 @@ dependencies = [
  "cc",
 ]
 
+[[package]]
+name = "color_quant"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3d7b894f5411737b7867f4827955924d7c254fc9f4d91a6aad6b097804b1018b"
+
 [[package]]
 name = "const_fn"
 version = "0.4.2"
@@ -242,12 +248,13 @@ dependencies = [
 
 [[package]]
 name = "image"
-version = "0.23.10"
+version = "0.23.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "985fc06b1304d19c28d5c562ed78ef5316183f2b0053b46763a0b94862373c34"
+checksum = "b4f0a8345b33b082aedec2f4d7d4a926b845cee184cbe78b703413066564431b"
 dependencies = [
  "bytemuck",
  "byteorder",
+ "color_quant",
  "num-iter",
  "num-rational",
  "num-traits",

From 4a865430b07fc4a567757265b8285e66ccc1dd78 Mon Sep 17 00:00:00 2001
From: "dependabot-preview[bot]"
 <27856297+dependabot-preview[bot]@users.noreply.github.com>
Date: Mon, 26 Oct 2020 10:35:34 +0000
Subject: [PATCH 17/22] Bump libc from 0.2.79 to 0.2.80

Bumps [libc](https://github.com/rust-lang/libc) from 0.2.79 to 0.2.80.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.79...0.2.80)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
---
 Cargo.lock | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index a3b17451..30609b75 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -289,9 +289,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.79"
+version = "0.2.80"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2448f6066e80e3bfc792e9c98bf705b4b0fc6e8ef5b43e5889aff0eaa9c58743"
+checksum = "4d58d1b70b004888f764dfbf6a26a3b0342a1632d33968e4a179d8011c760614"
 
 [[package]]
 name = "libdeflate-sys"

From b848423346614ecc47e4d6e8fad54bde30d5be41 Mon Sep 17 00:00:00 2001
From: "dependabot-preview[bot]"
 <27856297+dependabot-preview[bot]@users.noreply.github.com>
Date: Thu, 29 Oct 2020 10:23:28 +0000
Subject: [PATCH 18/22] Bump rustc_version from 0.2.3 to 0.3.0

Bumps [rustc_version](https://github.com/Kimundi/rustc-version-rs) from 0.2.3 to 0.3.0.
- [Release notes](https://github.com/Kimundi/rustc-version-rs/releases)
- [Commits](https://github.com/Kimundi/rustc-version-rs/commits)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
---
 Cargo.lock | 30 ++++++++++++++++++++++++------
 Cargo.toml |  2 +-
 2 files changed, 25 insertions(+), 7 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 30609b75..47e92892 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -422,6 +422,15 @@ dependencies = [
  "zopfli",
 ]
 
+[[package]]
+name = "pest"
+version = "2.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "10f4872ae94d7b90ae48754df22fd42ad52ce740b8f370b03da4835417403e53"
+dependencies = [
+ "ucd-trie",
+]
+
 [[package]]
 name = "png"
 version = "0.16.7"
@@ -470,9 +479,9 @@ dependencies = [
 
 [[package]]
 name = "rustc_version"
-version = "0.2.3"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
+checksum = "65c94201b44764d6d1f7e37c15a8289ed55e546c1762c7f1d57f616966e0c181"
 dependencies = [
  "semver",
 ]
@@ -485,18 +494,21 @@ checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
 
 [[package]]
 name = "semver"
-version = "0.9.0"
+version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"
+checksum = "f301af10236f6df4160f7c3f04eec6dbc70ace82d23326abad5edee88801c6b6"
 dependencies = [
  "semver-parser",
 ]
 
 [[package]]
 name = "semver-parser"
-version = "0.7.0"
+version = "0.10.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
+checksum = "42ef146c2ad5e5f4b037cd6ce2ebb775401729b19a82040c1beac9d36c7d1428"
+dependencies = [
+ "pest",
+]
 
 [[package]]
 name = "stderrlog"
@@ -561,6 +573,12 @@ version = "1.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a9b2228007eba4120145f785df0f6c92ea538f5a3635a612ecf4e334c8c1446d"
 
+[[package]]
+name = "ucd-trie"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "56dee185309b50d1f11bfedef0fe6d036842e3fb77413abef29f8f8d1c5d4c1c"
+
 [[package]]
 name = "unicode-width"
 version = "0.1.8"
diff --git a/Cargo.toml b/Cargo.toml
index 25190265..7cde6ea1 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -63,7 +63,7 @@ features = ["arm-always"]
 version = "^0.2.2"
 
 [build-dependencies]
-rustc_version = "0.2"
+rustc_version = "0.3"
 
 [features]
 binary = [

From c99f92f78203a556887b248594ec9ca58a278a51 Mon Sep 17 00:00:00 2001
From: "dependabot-preview[bot]"
 <27856297+dependabot-preview[bot]@users.noreply.github.com>
Date: Fri, 30 Oct 2020 10:22:35 +0000
Subject: [PATCH 19/22] Bump num-traits from 0.2.12 to 0.2.14

Bumps [num-traits](https://github.com/rust-num/num-traits) from 0.2.12 to 0.2.14.
- [Release notes](https://github.com/rust-num/num-traits/releases)
- [Changelog](https://github.com/rust-num/num-traits/blob/master/RELEASES.md)
- [Commits](https://github.com/rust-num/num-traits/compare/num-traits-0.2.12...num-traits-0.2.14)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
---
 Cargo.lock | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 47e92892..84cb1de7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -382,9 +382,9 @@ dependencies = [
 
 [[package]]
 name = "num-traits"
-version = "0.2.12"
+version = "0.2.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ac267bcc07f48ee5f8935ab0d24f316fb722d7a1292e2913f0cc196b29ffd611"
+checksum = "9a64b1ec5cda2586e284722486d802acf1f7dbdc623e2bfc57e65ca1cd099290"
 dependencies = [
  "autocfg",
 ]

From 922483bb457e30a8f69a818f745c12769f1718b8 Mon Sep 17 00:00:00 2001
From: "dependabot-preview[bot]"
 <27856297+dependabot-preview[bot]@users.noreply.github.com>
Date: Fri, 30 Oct 2020 10:34:14 +0000
Subject: [PATCH 20/22] Bump num-rational from 0.3.0 to 0.3.1

Bumps [num-rational](https://github.com/rust-num/num-rational) from 0.3.0 to 0.3.1.
- [Release notes](https://github.com/rust-num/num-rational/releases)
- [Changelog](https://github.com/rust-num/num-rational/blob/master/RELEASES.md)
- [Commits](https://github.com/rust-num/num-rational/compare/num-rational-0.3.0...num-rational-0.3.1)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
---
 Cargo.lock | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 84cb1de7..ea0001e0 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -371,9 +371,9 @@ dependencies = [
 
 [[package]]
 name = "num-rational"
-version = "0.3.0"
+version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a5b4d7360f362cfb50dde8143501e6940b22f644be75a4cc90b2d81968908138"
+checksum = "e5fa6d5f418879385b213d905f7cf5bf4aa553d4c380f0152d1d4f2749186fa9"
 dependencies = [
  "autocfg",
  "num-integer",

From 07ef6c84d1c82277e2e7a8962e7fbdaeb8a5c42c Mon Sep 17 00:00:00 2001
From: "dependabot-preview[bot]"
 <27856297+dependabot-preview[bot]@users.noreply.github.com>
Date: Fri, 30 Oct 2020 10:49:58 +0000
Subject: [PATCH 21/22] Bump num-iter from 0.1.41 to 0.1.42

Bumps [num-iter](https://github.com/rust-num/num-iter) from 0.1.41 to 0.1.42.
- [Release notes](https://github.com/rust-num/num-iter/releases)
- [Changelog](https://github.com/rust-num/num-iter/blob/master/RELEASES.md)
- [Commits](https://github.com/rust-num/num-iter/compare/num-iter-0.1.41...num-iter-0.1.42)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
---
 Cargo.lock | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index ea0001e0..c9f0c4b5 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -360,9 +360,9 @@ dependencies = [
 
 [[package]]
 name = "num-iter"
-version = "0.1.41"
+version = "0.1.42"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a6e6b7c748f995c4c29c5f5ae0248536e04a5739927c74ec0fa564805094b9f"
+checksum = "b2021c8337a54d21aca0d59a92577a029af9431cb59b909b03252b9c164fad59"
 dependencies = [
  "autocfg",
  "num-integer",

From c21739c9e4e65ce7988a342ee9cf9f0f5cfffb0d Mon Sep 17 00:00:00 2001
From: "dependabot-preview[bot]"
 <27856297+dependabot-preview[bot]@users.noreply.github.com>
Date: Fri, 30 Oct 2020 11:06:40 +0000
Subject: [PATCH 22/22] Bump num-integer from 0.1.43 to 0.1.44

Bumps [num-integer](https://github.com/rust-num/num-integer) from 0.1.43 to 0.1.44.
- [Release notes](https://github.com/rust-num/num-integer/releases)
- [Changelog](https://github.com/rust-num/num-integer/blob/master/RELEASES.md)
- [Commits](https://github.com/rust-num/num-integer/compare/num-integer-0.1.43...num-integer-0.1.44)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
---
 Cargo.lock | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index c9f0c4b5..d9c116d3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -350,9 +350,9 @@ dependencies = [
 
 [[package]]
 name = "num-integer"
-version = "0.1.43"
+version = "0.1.44"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8d59457e662d541ba17869cf51cf177c0b5f0cbf476c66bdc90bf1edac4f875b"
+checksum = "d2cc698a63b549a70bc047073d2949cce27cd1c7b0a4a862d08a8031bc2801db"
 dependencies = [
  "autocfg",
  "num-traits",