[INFO] fetching crate dominant_color 0.4.0...
[INFO] testing dominant_color-0.4.0 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate dominant_color 0.4.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate dominant_color 0.4.0
[INFO] finished tweaking crates.io crate dominant_color 0.4.0
[INFO] tweaked toml for crates.io crate dominant_color 0.4.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dominant_color 0.4.0 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] [stderr]       Adding image v0.24.9 (available: v0.25.8)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d7d540dd4520d1c0d0990261a75c3fd930559dfe63ea5e5a1e1fe02dcffb9ab
[INFO] running `Command { std: "docker" "start" "-a" "9d7d540dd4520d1c0d0990261a75c3fd930559dfe63ea5e5a1e1fe02dcffb9ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d7d540dd4520d1c0d0990261a75c3fd930559dfe63ea5e5a1e1fe02dcffb9ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d7d540dd4520d1c0d0990261a75c3fd930559dfe63ea5e5a1e1fe02dcffb9ab", kill_on_drop: false }`
[INFO] [stdout] 9d7d540dd4520d1c0d0990261a75c3fd930559dfe63ea5e5a1e1fe02dcffb9ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b9f68e856a9601581549ef02baa11bd7fd515f61679d2274876dd19596124d0
[INFO] running `Command { std: "docker" "start" "-a" "4b9f68e856a9601581549ef02baa11bd7fd515f61679d2274876dd19596124d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling dominant_color v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "4b9f68e856a9601581549ef02baa11bd7fd515f61679d2274876dd19596124d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b9f68e856a9601581549ef02baa11bd7fd515f61679d2274876dd19596124d0", kill_on_drop: false }`
[INFO] [stdout] 4b9f68e856a9601581549ef02baa11bd7fd515f61679d2274876dd19596124d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3969d746baa7b71ccfeb7fba6050f1e3856258af78ff4012037982ab6abedc8
[INFO] running `Command { std: "docker" "start" "-a" "d3969d746baa7b71ccfeb7fba6050f1e3856258af78ff4012037982ab6abedc8", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling bytemuck v1.23.2
[INFO] [stderr]    Compiling jpeg-decoder v0.3.2
[INFO] [stderr]    Compiling image v0.24.9
[INFO] [stderr]    Compiling dominant_color v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.02s
[INFO] running `Command { std: "docker" "inspect" "d3969d746baa7b71ccfeb7fba6050f1e3856258af78ff4012037982ab6abedc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3969d746baa7b71ccfeb7fba6050f1e3856258af78ff4012037982ab6abedc8", kill_on_drop: false }`
[INFO] [stdout] d3969d746baa7b71ccfeb7fba6050f1e3856258af78ff4012037982ab6abedc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a502b0506f5a1ddea840824438b0cff57e3df484413948e8ea66a4111f62fdce
[INFO] running `Command { std: "docker" "start" "-a" "a502b0506f5a1ddea840824438b0cff57e3df484413948e8ea66a4111f62fdce", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dominant_color-8d56f42a4642d3fa)
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-81c1330fe0b18f7b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test empty_image ... ok
[INFO] [stdout] test mixed_colors ... ok
[INFO] [stdout] test one_color ... ok
[INFO] [stdout] test semi_transparent_image ... ok
[INFO] [stdout] test semi_transparent_single_pixel ... ok
[INFO] [stdout] test semi_transparent_region_is_bigger ... ok
[INFO] [stdout] test single_pixel ... ok
[INFO] [stdout] test two_colors ... ok
[INFO] [stdout] test two_colors_and_one_transparent ... ok
[INFO] [stdout] test transparent_image ... ok
[INFO] [stdout] test image_with_alpha ... ok
[INFO] [stdout] test image ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.23s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dominant_color
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a502b0506f5a1ddea840824438b0cff57e3df484413948e8ea66a4111f62fdce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a502b0506f5a1ddea840824438b0cff57e3df484413948e8ea66a4111f62fdce", kill_on_drop: false }`
[INFO] [stdout] a502b0506f5a1ddea840824438b0cff57e3df484413948e8ea66a4111f62fdce