[INFO] fetching crate mime-detective 1.0.0...
[INFO] testing mime-detective-1.0.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate mime-detective 1.0.0 into /workspace/builds/worker-25/source
[INFO] validating manifest of crates.io crate mime-detective 1.0.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-25/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e7e230cd1bfc89b737930986f55607477eea886b69758b8931d1262b8612acd
[INFO] running `Command { std: "docker" "start" "-a" "9e7e230cd1bfc89b737930986f55607477eea886b69758b8931d1262b8612acd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e7e230cd1bfc89b737930986f55607477eea886b69758b8931d1262b8612acd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e7e230cd1bfc89b737930986f55607477eea886b69758b8931d1262b8612acd", kill_on_drop: false }`
[INFO] [stdout] 9e7e230cd1bfc89b737930986f55607477eea886b69758b8931d1262b8612acd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 616f68bd876ba6a28ef3d23d8418f48fd7c06fa2a1957ef5b3f2140afef4ffb7
[INFO] running `Command { std: "docker" "start" "-a" "616f68bd876ba6a28ef3d23d8418f48fd7c06fa2a1957ef5b3f2140afef4ffb7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[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 3.07s
[INFO] running `Command { std: "docker" "inspect" "616f68bd876ba6a28ef3d23d8418f48fd7c06fa2a1957ef5b3f2140afef4ffb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "616f68bd876ba6a28ef3d23d8418f48fd7c06fa2a1957ef5b3f2140afef4ffb7", kill_on_drop: false }`
[INFO] [stdout] 616f68bd876ba6a28ef3d23d8418f48fd7c06fa2a1957ef5b3f2140afef4ffb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fc67b29a1399ef11d641501282c92215526e6a20c0dc51535d6a81f5be084dd
[INFO] running `Command { std: "docker" "start" "-a" "0fc67b29a1399ef11d641501282c92215526e6a20c0dc51535d6a81f5be084dd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mime-detective v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "0fc67b29a1399ef11d641501282c92215526e6a20c0dc51535d6a81f5be084dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fc67b29a1399ef11d641501282c92215526e6a20c0dc51535d6a81f5be084dd", kill_on_drop: false }`
[INFO] [stdout] 0fc67b29a1399ef11d641501282c92215526e6a20c0dc51535d6a81f5be084dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 939cea13ba8cc2afc5298fd0bf20fd2098fa90c185f1fad0f47f48be64653c89
[INFO] running `Command { std: "docker" "start" "-a" "939cea13ba8cc2afc5298fd0bf20fd2098fa90c185f1fad0f47f48be64653c89", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mime_detective-0609b87bcfc3e02c)
[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-0609b87bcfc3e02c` (signal: 7, SIGBUS: access to undefined memory)
[INFO] running `Command { std: "docker" "inspect" "939cea13ba8cc2afc5298fd0bf20fd2098fa90c185f1fad0f47f48be64653c89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "939cea13ba8cc2afc5298fd0bf20fd2098fa90c185f1fad0f47f48be64653c89", kill_on_drop: false }`
[INFO] [stdout] 939cea13ba8cc2afc5298fd0bf20fd2098fa90c185f1fad0f47f48be64653c89