[INFO] cloning repository https://github.com/csharad/mime-detective
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/csharad/mime-detective" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcsharad%2Fmime-detective", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcsharad%2Fmime-detective'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 012f3304b991ce4d28d7b81bf97a712f575ea18f
[INFO] testing csharad/mime-detective against beta-2022-09-25 for beta-1.65-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcsharad%2Fmime-detective" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/csharad/mime-detective on toolchain beta-2022-09-25
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-09-25" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/csharad/mime-detective
[INFO] finished tweaking git repo https://github.com/csharad/mime-detective
[INFO] tweaked toml for git repo https://github.com/csharad/mime-detective written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-09-25" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-09-25" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-09-25" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a61a52faf6a39ca49e972068f4c52c4d42ddcedb46749d72cfccde0c7f1778bb
[INFO] running `Command { std: "docker" "start" "-a" "a61a52faf6a39ca49e972068f4c52c4d42ddcedb46749d72cfccde0c7f1778bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a61a52faf6a39ca49e972068f4c52c4d42ddcedb46749d72cfccde0c7f1778bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a61a52faf6a39ca49e972068f4c52c4d42ddcedb46749d72cfccde0c7f1778bb", kill_on_drop: false }`
[INFO] [stdout] a61a52faf6a39ca49e972068f4c52c4d42ddcedb46749d72cfccde0c7f1778bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "RUSTDOCFLAGS=--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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-09-25" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53d4fdb37267b5fcb818783cc2fde79fa0758557fe18291f108e301f4f1eb9fa
[INFO] running `Command { std: "docker" "start" "-a" "53d4fdb37267b5fcb818783cc2fde79fa0758557fe18291f108e301f4f1eb9fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]    Compiling magic-sys v0.2.1
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling magic v0.12.2
[INFO] [stderr]    Compiling mime-detective v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.35s
[INFO] running `Command { std: "docker" "inspect" "53d4fdb37267b5fcb818783cc2fde79fa0758557fe18291f108e301f4f1eb9fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53d4fdb37267b5fcb818783cc2fde79fa0758557fe18291f108e301f4f1eb9fa", kill_on_drop: false }`
[INFO] [stdout] 53d4fdb37267b5fcb818783cc2fde79fa0758557fe18291f108e301f4f1eb9fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "RUSTDOCFLAGS=--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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-09-25" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4c8346ffa9dee86c6e3182600ed9cc648b071bf7b9948de315ffbbeb7aff699
[INFO] running `Command { std: "docker" "start" "-a" "f4c8346ffa9dee86c6e3182600ed9cc648b071bf7b9948de315ffbbeb7aff699", kill_on_drop: false }`
[INFO] [stderr]    Compiling mime-detective v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "f4c8346ffa9dee86c6e3182600ed9cc648b071bf7b9948de315ffbbeb7aff699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4c8346ffa9dee86c6e3182600ed9cc648b071bf7b9948de315ffbbeb7aff699", kill_on_drop: false }`
[INFO] [stdout] f4c8346ffa9dee86c6e3182600ed9cc648b071bf7b9948de315ffbbeb7aff699
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "RUSTDOCFLAGS=--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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-09-25" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dbf367541d8b06c62d04e5967fbc809a7f000c4fc49214bab67439ff27cfa631
[INFO] running `Command { std: "docker" "start" "-a" "dbf367541d8b06c62d04e5967fbc809a7f000c4fc49214bab67439ff27cfa631", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mime_detective-7c567a9966e303e0)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::detect_buffer ... ok
[ERROR] error running command: stream did not contain valid UTF-8
[INFO] running `Command { std: "docker" "inspect" "dbf367541d8b06c62d04e5967fbc809a7f000c4fc49214bab67439ff27cfa631", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbf367541d8b06c62d04e5967fbc809a7f000c4fc49214bab67439ff27cfa631", kill_on_drop: false }`
[INFO] [stdout] dbf367541d8b06c62d04e5967fbc809a7f000c4fc49214bab67439ff27cfa631