[INFO] crate gif-dispose 2.2.0 is already in cache
[INFO] extracting crate gif-dispose 2.2.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/gif-dispose/2.2.0
[INFO] extracting crate gif-dispose 2.2.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/gif-dispose/2.2.0
[INFO] validating manifest of gif-dispose-2.2.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of gif-dispose-2.2.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing gif-dispose-2.2.0
[INFO] finished frobbing gif-dispose-2.2.0
[INFO] frobbed toml for gif-dispose-2.2.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/gif-dispose/2.2.0/Cargo.toml
[INFO] started frobbing gif-dispose-2.2.0
[INFO] finished frobbing gif-dispose-2.2.0
[INFO] frobbed toml for gif-dispose-2.2.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/gif-dispose/2.2.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing gif-dispose-2.2.0 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/gif-dispose/2.2.0:/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 0dc8475186753829c511c02c89d3a8a408349135aab5302e2517ae2d505fb220
[INFO] running `"docker" "start" "-a" "0dc8475186753829c511c02c89d3a8a408349135aab5302e2517ae2d505fb220"`
[INFO] [stderr]    Compiling imgref v1.3.5
[INFO] [stderr]    Compiling gif-dispose v2.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'imgref::Img::<&'a [T]>::iter': Size of this buffer is unpredictable. Use .rows() instead
[INFO] [stderr]   --> src/disposal.rs:43:41
[INFO] [stderr]    |
[INFO] [stderr] 43 |                 Previous => Some(pixels.iter().cloned().subimage(left as usize, top as usize, width as usize, height as usize, pixels.stride()).collect()),
[INFO] [stderr]    |                                         ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'imgref::Img::<&'a [T]>::iter': Size of this buffer is unpredictable. Use .rows() instead
[INFO] [stderr]   --> src/screen.rs:89:145
[INFO] [stderr]    |
[INFO] [stderr] 89 |         for (dst, &src) in self.pixels.buf.iter_mut().subimage(left as usize, top as usize, buffer.width(), buffer.height(), stride).zip(buffer.iter()) {
[INFO] [stderr]    |                                                                                                                                                 ^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `"docker" "inspect" "0dc8475186753829c511c02c89d3a8a408349135aab5302e2517ae2d505fb220"`
[INFO] running `"docker" "rm" "-f" "0dc8475186753829c511c02c89d3a8a408349135aab5302e2517ae2d505fb220"`
[INFO] [stdout] 0dc8475186753829c511c02c89d3a8a408349135aab5302e2517ae2d505fb220
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/gif-dispose/2.2.0:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 11160fa8d960f468b356cfc7cce06c2ef4f8996228cc1f244a2fc3f6fc422177
[INFO] running `"docker" "start" "-a" "11160fa8d960f468b356cfc7cce06c2ef4f8996228cc1f244a2fc3f6fc422177"`
[INFO] [stderr]    Compiling gif-dispose v2.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'imgref::Img::<&'a [T]>::iter': Size of this buffer is unpredictable. Use .rows() instead
[INFO] [stderr]   --> src/disposal.rs:43:41
[INFO] [stderr]    |
[INFO] [stderr] 43 |                 Previous => Some(pixels.iter().cloned().subimage(left as usize, top as usize, width as usize, height as usize, pixels.stride()).collect()),
[INFO] [stderr]    |                                         ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'imgref::Img::<&'a [T]>::iter': Size of this buffer is unpredictable. Use .rows() instead
[INFO] [stderr]   --> src/screen.rs:89:145
[INFO] [stderr]    |
[INFO] [stderr] 89 |         for (dst, &src) in self.pixels.buf.iter_mut().subimage(left as usize, top as usize, buffer.width(), buffer.height(), stride).zip(buffer.iter()) {
[INFO] [stderr]    |                                                                                                                                                 ^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.02s
[INFO] running `"docker" "inspect" "11160fa8d960f468b356cfc7cce06c2ef4f8996228cc1f244a2fc3f6fc422177"`
[INFO] running `"docker" "rm" "-f" "11160fa8d960f468b356cfc7cce06c2ef4f8996228cc1f244a2fc3f6fc422177"`
[INFO] [stdout] 11160fa8d960f468b356cfc7cce06c2ef4f8996228cc1f244a2fc3f6fc422177
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/gif-dispose/2.2.0:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 30fd78f742c19dd3413e2f37aa8993872eef10d958471449c345e4b2713d45ef
[INFO] running `"docker" "start" "-a" "30fd78f742c19dd3413e2f37aa8993872eef10d958471449c345e4b2713d45ef"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/gif_dispose-8587c5cc2481c23d
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test screen::screen_rgb_rgba ... ok
[INFO] [stdout] test subimage::test_iter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests gif-dispose
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs -  (line 7) ... ignored
[INFO] [stdout] test src/screen.rs - screen (line 1) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "30fd78f742c19dd3413e2f37aa8993872eef10d958471449c345e4b2713d45ef"`
[INFO] running `"docker" "rm" "-f" "30fd78f742c19dd3413e2f37aa8993872eef10d958471449c345e4b2713d45ef"`
[INFO] [stdout] 30fd78f742c19dd3413e2f37aa8993872eef10d958471449c345e4b2713d45ef