[INFO] fetching crate mime-detective 1.0.0...
[INFO] testing mime-detective-1.0.0 against try#5bc97a20e5cc382ae6d19f727a9e73eeb2734548 for pr-99093
[INFO] extracting crate mime-detective 1.0.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate mime-detective 1.0.0 on toolchain 5bc97a20e5cc382ae6d19f727a9e73eeb2734548
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5bc97a20e5cc382ae6d19f727a9e73eeb2734548" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mime-detective 1.0.0
[INFO] finished tweaking crates.io crate mime-detective 1.0.0
[INFO] tweaked toml for crates.io crate mime-detective 1.0.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5bc97a20e5cc382ae6d19f727a9e73eeb2734548" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5bc97a20e5cc382ae6d19f727a9e73eeb2734548" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+5bc97a20e5cc382ae6d19f727a9e73eeb2734548" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e509b8b171619ad04f016b861cfb9aaa78af775515c7eb1e7f6a25e2d6b8570f
[INFO] running `Command { std: "docker" "start" "-a" "e509b8b171619ad04f016b861cfb9aaa78af775515c7eb1e7f6a25e2d6b8570f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e509b8b171619ad04f016b861cfb9aaa78af775515c7eb1e7f6a25e2d6b8570f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e509b8b171619ad04f016b861cfb9aaa78af775515c7eb1e7f6a25e2d6b8570f", kill_on_drop: false }`
[INFO] [stdout] e509b8b171619ad04f016b861cfb9aaa78af775515c7eb1e7f6a25e2d6b8570f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+5bc97a20e5cc382ae6d19f727a9e73eeb2734548" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3284abb2abd92d38e23e01a04f9263d582c9235c1da4f539834451b1df6ac151
[INFO] running `Command { std: "docker" "start" "-a" "3284abb2abd92d38e23e01a04f9263d582c9235c1da4f539834451b1df6ac151", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[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 3.42s
[INFO] running `Command { std: "docker" "inspect" "3284abb2abd92d38e23e01a04f9263d582c9235c1da4f539834451b1df6ac151", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3284abb2abd92d38e23e01a04f9263d582c9235c1da4f539834451b1df6ac151", kill_on_drop: false }`
[INFO] [stdout] 3284abb2abd92d38e23e01a04f9263d582c9235c1da4f539834451b1df6ac151
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+5bc97a20e5cc382ae6d19f727a9e73eeb2734548" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a3d99c587e852537a8a471591a19a81a0a0daeec8d9133ecd90bd15f1a9072e
[INFO] running `Command { std: "docker" "start" "-a" "3a3d99c587e852537a8a471591a19a81a0a0daeec8d9133ecd90bd15f1a9072e", kill_on_drop: false }`
[INFO] [stderr]    Compiling mime-detective v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `Command { std: "docker" "inspect" "3a3d99c587e852537a8a471591a19a81a0a0daeec8d9133ecd90bd15f1a9072e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a3d99c587e852537a8a471591a19a81a0a0daeec8d9133ecd90bd15f1a9072e", kill_on_drop: false }`
[INFO] [stdout] 3a3d99c587e852537a8a471591a19a81a0a0daeec8d9133ecd90bd15f1a9072e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+5bc97a20e5cc382ae6d19f727a9e73eeb2734548" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 77807600c86622c6c41c8410616f3eba22ee72774ba08fc822c74552f8dab3f0
[INFO] running `Command { std: "docker" "start" "-a" "77807600c86622c6c41c8410616f3eba22ee72774ba08fc822c74552f8dab3f0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.30s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mime_detective-fab563b13be68435)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/mime_detective-fab563b13be68435` (signal: 7, SIGBUS: access to undefined memory)
[INFO] running `Command { std: "docker" "inspect" "77807600c86622c6c41c8410616f3eba22ee72774ba08fc822c74552f8dab3f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77807600c86622c6c41c8410616f3eba22ee72774ba08fc822c74552f8dab3f0", kill_on_drop: false }`
[INFO] [stdout] 77807600c86622c6c41c8410616f3eba22ee72774ba08fc822c74552f8dab3f0