[INFO] fetching crate mime-detective 1.0.0...
[INFO] testing mime-detective-1.0.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate mime-detective 1.0.0 into /workspace/builds/worker-1-tc1/source
[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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mime-detective 1.0.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] [stderr]       Adding magic v0.12.2 (available: v0.16.7)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mime v0.3.17
[INFO] [stderr]   Downloaded magic-sys v0.2.1
[INFO] [stderr]   Downloaded magic v0.12.2
[INFO] [stderr]   Downloaded bitflags v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 086738bc60c242473ed1e277047375a8357e028682cdd523efdc2366219fdebb
[INFO] running `Command { std: "docker" "start" "-a" "086738bc60c242473ed1e277047375a8357e028682cdd523efdc2366219fdebb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "086738bc60c242473ed1e277047375a8357e028682cdd523efdc2366219fdebb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "086738bc60c242473ed1e277047375a8357e028682cdd523efdc2366219fdebb", kill_on_drop: false }`
[INFO] [stdout] 086738bc60c242473ed1e277047375a8357e028682cdd523efdc2366219fdebb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4fd759a6708e387ac033cdb0e890377c9a428e639f8494e121deb6b576810ce
[INFO] running `Command { std: "docker" "start" "-a" "d4fd759a6708e387ac033cdb0e890377c9a428e639f8494e121deb6b576810ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling magic-sys v0.2.1
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling magic v0.12.2
[INFO] [stderr]    Compiling mime-detective v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.05s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.7.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "d4fd759a6708e387ac033cdb0e890377c9a428e639f8494e121deb6b576810ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4fd759a6708e387ac033cdb0e890377c9a428e639f8494e121deb6b576810ce", kill_on_drop: false }`
[INFO] [stdout] d4fd759a6708e387ac033cdb0e890377c9a428e639f8494e121deb6b576810ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee8a9b85eb900d6106ea011bcb3df2097b76737995b7512ade21862a18edc7f9
[INFO] running `Command { std: "docker" "start" "-a" "ee8a9b85eb900d6106ea011bcb3df2097b76737995b7512ade21862a18edc7f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling mime-detective v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.7.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "ee8a9b85eb900d6106ea011bcb3df2097b76737995b7512ade21862a18edc7f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee8a9b85eb900d6106ea011bcb3df2097b76737995b7512ade21862a18edc7f9", kill_on_drop: false }`
[INFO] [stdout] ee8a9b85eb900d6106ea011bcb3df2097b76737995b7512ade21862a18edc7f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4825b865a4589e2b5f854e8c62904dcaf45dcd6fcb4235fcdc22b2897346d5dc
[INFO] running `Command { std: "docker" "start" "-a" "4825b865a4589e2b5f854e8c62904dcaf45dcd6fcb4235fcdc22b2897346d5dc", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.7.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mime_detective-3073d867bffd2274)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[ERROR] error running command: stream did not contain valid UTF-8
[INFO] running `Command { std: "docker" "inspect" "4825b865a4589e2b5f854e8c62904dcaf45dcd6fcb4235fcdc22b2897346d5dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4825b865a4589e2b5f854e8c62904dcaf45dcd6fcb4235fcdc22b2897346d5dc", kill_on_drop: false }`
[INFO] [stdout] 4825b865a4589e2b5f854e8c62904dcaf45dcd6fcb4235fcdc22b2897346d5dc