[INFO] crate pixel 0.1.3 is already in cache
[INFO] extracting crate pixel 0.1.3 into work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/reg/pixel/0.1.3
[INFO] extracting crate pixel 0.1.3 into work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/reg/pixel/0.1.3
[INFO] validating manifest of pixel-0.1.3 on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of pixel-0.1.3 on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing pixel-0.1.3
[INFO] finished frobbing pixel-0.1.3
[INFO] frobbed toml for pixel-0.1.3 written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/reg/pixel/0.1.3/Cargo.toml
[INFO] started frobbing pixel-0.1.3
[INFO] finished frobbing pixel-0.1.3
[INFO] frobbed toml for pixel-0.1.3 written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/reg/pixel/0.1.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking pixel-0.1.3 against master#f66e4697ae286985ddefc53c3a047614568458bb for pr-58592
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-7/master#f66e4697ae286985ddefc53c3a047614568458bb:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/reg/pixel/0.1.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7c1e0a6be8a51a4f163316df839e9d748a8936b089c456032faa314eb55fea8e
[INFO] running `"docker" "start" "-a" "7c1e0a6be8a51a4f163316df839e9d748a8936b089c456032faa314eb55fea8e"`
[INFO] [stderr]     Checking pixel v0.1.3 (/opt/crater/workdir)
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]    --> src/color/blending.rs:120:9
[INFO] [stderr]     |
[INFO] [stderr] 120 |         /// B(Cb, Cs) = 1 - [(1 - Cb) x (1 - Cs)] = Cb + Cs -(Cb x Cs)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]    --> src/color/blending.rs:122:9
[INFO] [stderr]     |
[INFO] [stderr] 122 |         /// B(Cb, Cs) = HardLight(Cs, Cb)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]    --> src/color/blending.rs:124:9
[INFO] [stderr]     |
[INFO] [stderr] 124 |         /// B(Cb, Cs) = min(Cb, Cs)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]    --> src/color/blending.rs:126:9
[INFO] [stderr]     |
[INFO] [stderr] 126 |         /// B(Cb, Cs) = max(Cb, Cs)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]    --> src/color/blending.rs:128:9
[INFO] [stderr]     |
[INFO] [stderr] 128 |         /// if(Cb == 0)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]    --> src/color/blending.rs:135:9
[INFO] [stderr]     |
[INFO] [stderr] 135 |         /// if(Cb == 1)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]    --> src/color/blending.rs:142:9
[INFO] [stderr]     |
[INFO] [stderr] 142 |         /// if(Cs <= 0.5)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]    --> src/color/blending.rs:147:9
[INFO] [stderr]     |
[INFO] [stderr] 147 |         ///     if(Cs <= 0.5)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]    --> src/color/blending.rs:157:9
[INFO] [stderr]     |
[INFO] [stderr] 157 |         /// B(Cb, Cs) = | Cb - Cs |
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]    --> src/color/blending.rs:159:9
[INFO] [stderr]     |
[INFO] [stderr] 159 |         /// B(Cb, Cs) = Cb + Cs - 2 x Cb x Cs
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]    --> src/color/blending.rs:161:9
[INFO] [stderr]     |
[INFO] [stderr] 161 |         /// B(Cb, Cs) = SetLum(SetSat(Cs, Sat(Cb)), Lum(Cb))
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]    --> src/color/blending.rs:165:9
[INFO] [stderr]     |
[INFO] [stderr] 165 |         /// B(Cb, Cs) = SetLum(SetSat(Cb, Sat(Cs)), Lum(Cb))
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]    --> src/color/blending.rs:169:9
[INFO] [stderr]     |
[INFO] [stderr] 169 |         /// B(Cb, Cs) = SetLum(Cs, Lum(Cb))
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]    --> src/color/blending.rs:173:9
[INFO] [stderr]     |
[INFO] [stderr] 173 |         /// B(Cb, Cs) = SetLum(Cb, Lum(Cs))
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `color::*`
[INFO] [stderr]  --> src/lib.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use color::*;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]    --> src/color/blending.rs:120:9
[INFO] [stderr]     |
[INFO] [stderr] 120 |         /// B(Cb, Cs) = 1 - [(1 - Cb) x (1 - Cs)] = Cb + Cs -(Cb x Cs)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]    --> src/color/blending.rs:122:9
[INFO] [stderr]     |
[INFO] [stderr] 122 |         /// B(Cb, Cs) = HardLight(Cs, Cb)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]    --> src/color/blending.rs:124:9
[INFO] [stderr]     |
[INFO] [stderr] 124 |         /// B(Cb, Cs) = min(Cb, Cs)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]    --> src/color/blending.rs:126:9
[INFO] [stderr]     |
[INFO] [stderr] 126 |         /// B(Cb, Cs) = max(Cb, Cs)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]    --> src/color/blending.rs:128:9
[INFO] [stderr]     |
[INFO] [stderr] 128 |         /// if(Cb == 0)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]    --> src/color/blending.rs:135:9
[INFO] [stderr]     |
[INFO] [stderr] 135 |         /// if(Cb == 1)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]    --> src/color/blending.rs:142:9
[INFO] [stderr]     |
[INFO] [stderr] 142 |         /// if(Cs <= 0.5)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]    --> src/color/blending.rs:147:9
[INFO] [stderr]     |
[INFO] [stderr] 147 |         ///     if(Cs <= 0.5)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]    --> src/color/blending.rs:157:9
[INFO] [stderr]     |
[INFO] [stderr] 157 |         /// B(Cb, Cs) = | Cb - Cs |
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]    --> src/color/blending.rs:159:9
[INFO] [stderr]     |
[INFO] [stderr] 159 |         /// B(Cb, Cs) = Cb + Cs - 2 x Cb x Cs
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]    --> src/color/blending.rs:161:9
[INFO] [stderr]     |
[INFO] [stderr] 161 |         /// B(Cb, Cs) = SetLum(SetSat(Cs, Sat(Cb)), Lum(Cb))
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]    --> src/color/blending.rs:165:9
[INFO] [stderr]     |
[INFO] [stderr] 165 |         /// B(Cb, Cs) = SetLum(SetSat(Cb, Sat(Cs)), Lum(Cb))
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]    --> src/color/blending.rs:169:9
[INFO] [stderr]     |
[INFO] [stderr] 169 |         /// B(Cb, Cs) = SetLum(Cs, Lum(Cb))
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]    --> src/color/blending.rs:173:9
[INFO] [stderr]     |
[INFO] [stderr] 173 |         /// B(Cb, Cs) = SetLum(Cb, Lum(Cs))
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `color::*`
[INFO] [stderr]  --> src/lib.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use color::*;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `core` has been stable since 1.6.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(core)]
[INFO] [stderr]   |            ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `core` has been stable since 1.6.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(core)]
[INFO] [stderr]   |            ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `"docker" "inspect" "7c1e0a6be8a51a4f163316df839e9d748a8936b089c456032faa314eb55fea8e"`
[INFO] running `"docker" "rm" "-f" "7c1e0a6be8a51a4f163316df839e9d748a8936b089c456032faa314eb55fea8e"`
[INFO] [stdout] 7c1e0a6be8a51a4f163316df839e9d748a8936b089c456032faa314eb55fea8e