[INFO] cloning repository https://github.com/Terkwood/png-find-color
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Terkwood/png-find-color" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTerkwood%2Fpng-find-color", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTerkwood%2Fpng-find-color'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 583fb05a7422c7ff67043f8c5ffb4800d2ef668b
[INFO] testing Terkwood/png-find-color against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTerkwood%2Fpng-find-color" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Terkwood/png-find-color 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 git repo https://github.com/Terkwood/png-find-color
[INFO] finished tweaking git repo https://github.com/Terkwood/png-find-color
[INFO] tweaked toml for git repo https://github.com/Terkwood/png-find-color written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/Terkwood/png-find-color 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] fd8923c489609db068076db54480506fc2803e345a228d588a95870cc0311d45
[INFO] running `Command { std: "docker" "start" "-a" "fd8923c489609db068076db54480506fc2803e345a228d588a95870cc0311d45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd8923c489609db068076db54480506fc2803e345a228d588a95870cc0311d45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd8923c489609db068076db54480506fc2803e345a228d588a95870cc0311d45", kill_on_drop: false }`
[INFO] [stdout] fd8923c489609db068076db54480506fc2803e345a228d588a95870cc0311d45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] f7ab27e815ba470a5c7c3e008ec8c0b56868eed0f0f12be205bc50d1a0407c31
[INFO] running `Command { std: "docker" "start" "-a" "f7ab27e815ba470a5c7c3e008ec8c0b56868eed0f0f12be205bc50d1a0407c31", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.4.2
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling png-find-color v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.52s
[INFO] running `Command { std: "docker" "inspect" "f7ab27e815ba470a5c7c3e008ec8c0b56868eed0f0f12be205bc50d1a0407c31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7ab27e815ba470a5c7c3e008ec8c0b56868eed0f0f12be205bc50d1a0407c31", kill_on_drop: false }`
[INFO] [stdout] f7ab27e815ba470a5c7c3e008ec8c0b56868eed0f0f12be205bc50d1a0407c31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 5d28d5d94ce94fd8ec46ad5d2b970dad7872f039182663036ae48fc14580546a
[INFO] running `Command { std: "docker" "start" "-a" "5d28d5d94ce94fd8ec46ad5d2b970dad7872f039182663036ae48fc14580546a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling png-find-color v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `Command { std: "docker" "inspect" "5d28d5d94ce94fd8ec46ad5d2b970dad7872f039182663036ae48fc14580546a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d28d5d94ce94fd8ec46ad5d2b970dad7872f039182663036ae48fc14580546a", kill_on_drop: false }`
[INFO] [stdout] 5d28d5d94ce94fd8ec46ad5d2b970dad7872f039182663036ae48fc14580546a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 1b404088d76eaa5f0a01bfa0f068476437f13205840f727e2c7cefa61d9d6b3a
[INFO] running `Command { std: "docker" "start" "-a" "1b404088d76eaa5f0a01bfa0f068476437f13205840f727e2c7cefa61d9d6b3a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/png_find_color-35719df80a446059)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::various_files ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.90s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests png-find-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" "1b404088d76eaa5f0a01bfa0f068476437f13205840f727e2c7cefa61d9d6b3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b404088d76eaa5f0a01bfa0f068476437f13205840f727e2c7cefa61d9d6b3a", kill_on_drop: false }`
[INFO] [stdout] 1b404088d76eaa5f0a01bfa0f068476437f13205840f727e2c7cefa61d9d6b3a