[INFO] fetching crate mss_saliency 1.0.6...
[INFO] testing mss_saliency-1.0.6 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate mss_saliency 1.0.6 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mss_saliency 1.0.6 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mss_saliency 1.0.6
[INFO] finished tweaking crates.io crate mss_saliency 1.0.6
[INFO] tweaked toml for crates.io crate mss_saliency 1.0.6 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate mss_saliency 1.0.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lodepng v3.2.1
[INFO] [stderr]   Downloaded rgb v0.8.24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 620e861eec9228e5d9f79daa02634380eca9750fc51ced872612a8b7f8486c0b
[INFO] running `Command { std: "docker" "start" "-a" "620e861eec9228e5d9f79daa02634380eca9750fc51ced872612a8b7f8486c0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "620e861eec9228e5d9f79daa02634380eca9750fc51ced872612a8b7f8486c0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "620e861eec9228e5d9f79daa02634380eca9750fc51ced872612a8b7f8486c0b", kill_on_drop: false }`
[INFO] [stdout] 620e861eec9228e5d9f79daa02634380eca9750fc51ced872612a8b7f8486c0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25788a9f26fe67c756a1acc58bed97746dc569b8bac33cf05dffb653db1bd7b9
[INFO] running `Command { std: "docker" "start" "-a" "25788a9f26fe67c756a1acc58bed97746dc569b8bac33cf05dffb653db1bd7b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling imgref v1.7.0
[INFO] [stderr]    Compiling mss_saliency v1.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "25788a9f26fe67c756a1acc58bed97746dc569b8bac33cf05dffb653db1bd7b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25788a9f26fe67c756a1acc58bed97746dc569b8bac33cf05dffb653db1bd7b9", kill_on_drop: false }`
[INFO] [stdout] 25788a9f26fe67c756a1acc58bed97746dc569b8bac33cf05dffb653db1bd7b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 900365c6d0ad2ddb4c36954d34162b35e816bc6448cdb07c9ddd090bae61a83a
[INFO] running `Command { std: "docker" "start" "-a" "900365c6d0ad2ddb4c36954d34162b35e816bc6448cdb07c9ddd090bae61a83a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling bytemuck v1.3.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.0
[INFO] [stderr]    Compiling rgb v0.8.24
[INFO] [stderr]    Compiling flate2 v1.0.17
[INFO] [stderr]    Compiling lodepng v3.2.1
[INFO] [stderr]    Compiling mss_saliency v1.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.88s
[INFO] running `Command { std: "docker" "inspect" "900365c6d0ad2ddb4c36954d34162b35e816bc6448cdb07c9ddd090bae61a83a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "900365c6d0ad2ddb4c36954d34162b35e816bc6448cdb07c9ddd090bae61a83a", kill_on_drop: false }`
[INFO] [stdout] 900365c6d0ad2ddb4c36954d34162b35e816bc6448cdb07c9ddd090bae61a83a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7ca3b41e343741da46dc01d671a2386d98abb9eda3743ec25c355e506323ac3e
[INFO] running `Command { std: "docker" "start" "-a" "7ca3b41e343741da46dc01d671a2386d98abb9eda3743ec25c355e506323ac3e", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mss_saliency-f99fb5e85f84913b)
[INFO] [stdout] test oversized_input_is_ok ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mss_saliency
[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" "7ca3b41e343741da46dc01d671a2386d98abb9eda3743ec25c355e506323ac3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ca3b41e343741da46dc01d671a2386d98abb9eda3743ec25c355e506323ac3e", kill_on_drop: false }`
[INFO] [stdout] 7ca3b41e343741da46dc01d671a2386d98abb9eda3743ec25c355e506323ac3e