[INFO] cloning repository https://github.com/samwho/whatis
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/samwho/whatis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamwho%2Fwhatis", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamwho%2Fwhatis'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ccff8c62e0bb3fcdc283955ead66647c7d770b2a
[INFO] testing samwho/whatis against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamwho%2Fwhatis" "/workspace/builds/worker-62/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-62/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/samwho/whatis on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/samwho/whatis
[INFO] finished tweaking git repo https://github.com/samwho/whatis
[INFO] tweaked toml for git repo https://github.com/samwho/whatis written to /workspace/builds/worker-62/source/Cargo.toml
[INFO] crate git repo https://github.com/samwho/whatis already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b36c5a02dfa3d142aa7c9a87f80126d96589dbfd46202cb26f09aa6aeb166bfc
[INFO] running `Command { std: "docker" "start" "-a" "b36c5a02dfa3d142aa7c9a87f80126d96589dbfd46202cb26f09aa6aeb166bfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b36c5a02dfa3d142aa7c9a87f80126d96589dbfd46202cb26f09aa6aeb166bfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b36c5a02dfa3d142aa7c9a87f80126d96589dbfd46202cb26f09aa6aeb166bfc", kill_on_drop: false }`
[INFO] [stdout] b36c5a02dfa3d142aa7c9a87f80126d96589dbfd46202cb26f09aa6aeb166bfc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c337e055a0491f96d885cc3528af9d1c7445da2dbd00a830cab83929ea1e04c2
[INFO] running `Command { std: "docker" "start" "-a" "c337e055a0491f96d885cc3528af9d1c7445da2dbd00a830cab83929ea1e04c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling weezl v0.1.5
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling gimli v0.24.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling rustc-demangle v0.1.20
[INFO] [stderr]    Compiling bytemuck v1.7.0
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling mutate_once v0.1.1
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling object v0.25.3
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling os_type v2.3.0
[INFO] [stderr]    Compiling kamadak-exif v0.5.4
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling img-parts v0.2.3
[INFO] [stderr]    Compiling gif v0.11.2
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling addr2line v0.15.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling cfb v0.4.0
[INFO] [stderr]    Compiling infer v0.5.0
[INFO] [stderr]    Compiling structopt-derive v0.4.15
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling tiff v0.6.1
[INFO] [stderr]    Compiling structopt v0.3.22
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling human-panic v1.0.3
[INFO] [stderr]    Compiling whatis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] running `Command { std: "docker" "inspect" "c337e055a0491f96d885cc3528af9d1c7445da2dbd00a830cab83929ea1e04c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c337e055a0491f96d885cc3528af9d1c7445da2dbd00a830cab83929ea1e04c2", kill_on_drop: false }`
[INFO] [stdout] c337e055a0491f96d885cc3528af9d1c7445da2dbd00a830cab83929ea1e04c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0065b2294a4b9667050765a124731097131c8eaf0c73b445236f4d547fd20e1
[INFO] running `Command { std: "docker" "start" "-a" "a0065b2294a4b9667050765a124731097131c8eaf0c73b445236f4d547fd20e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling test-case v1.2.0
[INFO] [stderr]    Compiling whatis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.27s
[INFO] running `Command { std: "docker" "inspect" "a0065b2294a4b9667050765a124731097131c8eaf0c73b445236f4d547fd20e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0065b2294a4b9667050765a124731097131c8eaf0c73b445236f4d547fd20e1", kill_on_drop: false }`
[INFO] [stdout] a0065b2294a4b9667050765a124731097131c8eaf0c73b445236f4d547fd20e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1e154123d9617e2b4876d4d9b718ea7e7f339f17bd76436db3115f2a130de3b8
[INFO] running `Command { std: "docker" "start" "-a" "1e154123d9617e2b4876d4d9b718ea7e7f339f17bd76436db3115f2a130de3b8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/whatis-4d774000a93983ab)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test whatis::tests::test_match::_testdata_rustlogo_png_expects_filetype_png ... ok
[INFO] [stdout] test whatis::tests::test_match::_testdata_canon_40d_jpg_expects_filetype_jpeg ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1e154123d9617e2b4876d4d9b718ea7e7f339f17bd76436db3115f2a130de3b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e154123d9617e2b4876d4d9b718ea7e7f339f17bd76436db3115f2a130de3b8", kill_on_drop: false }`
[INFO] [stdout] 1e154123d9617e2b4876d4d9b718ea7e7f339f17bd76436db3115f2a130de3b8