[INFO] fetching crate mimemagic 0.1.0...
[INFO] testing mimemagic-0.1.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate mimemagic 0.1.0 into /workspace/builds/worker-52/source
[INFO] validating manifest of crates.io crate mimemagic 0.1.0 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 mimemagic 0.1.0
[INFO] finished tweaking crates.io crate mimemagic 0.1.0
[INFO] tweaked toml for crates.io crate mimemagic 0.1.0 written to /workspace/builds/worker-52/source/Cargo.toml
[INFO] crate crates.io crate mimemagic 0.1.0 already has a lockfile, it will not be regenerated
[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-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] 483dbc18bba4eb360f42d1f327ab20322f8dc7b40fa3f612ec699264261698e7
[INFO] running `Command { std: "docker" "start" "-a" "483dbc18bba4eb360f42d1f327ab20322f8dc7b40fa3f612ec699264261698e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "483dbc18bba4eb360f42d1f327ab20322f8dc7b40fa3f612ec699264261698e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "483dbc18bba4eb360f42d1f327ab20322f8dc7b40fa3f612ec699264261698e7", kill_on_drop: false }`
[INFO] [stdout] 483dbc18bba4eb360f42d1f327ab20322f8dc7b40fa3f612ec699264261698e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] 5650b571dc1df596a366050b6b6104a7f9b912731bd1564185647122c5d2ee97
[INFO] running `Command { std: "docker" "start" "-a" "5650b571dc1df596a366050b6b6104a7f9b912731bd1564185647122c5d2ee97", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling quick-xml v0.17.2
[INFO] [stderr]    Compiling mimemagic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.34s
[INFO] running `Command { std: "docker" "inspect" "5650b571dc1df596a366050b6b6104a7f9b912731bd1564185647122c5d2ee97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5650b571dc1df596a366050b6b6104a7f9b912731bd1564185647122c5d2ee97", kill_on_drop: false }`
[INFO] [stdout] 5650b571dc1df596a366050b6b6104a7f9b912731bd1564185647122c5d2ee97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] f0f99d7b77d7e57a2fbf09a02b003c7894dd0aeaa61c4363661821b66ddbe1eb
[INFO] running `Command { std: "docker" "start" "-a" "f0f99d7b77d7e57a2fbf09a02b003c7894dd0aeaa61c4363661821b66ddbe1eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling mimemagic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "f0f99d7b77d7e57a2fbf09a02b003c7894dd0aeaa61c4363661821b66ddbe1eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0f99d7b77d7e57a2fbf09a02b003c7894dd0aeaa61c4363661821b66ddbe1eb", kill_on_drop: false }`
[INFO] [stdout] f0f99d7b77d7e57a2fbf09a02b003c7894dd0aeaa61c4363661821b66ddbe1eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] 16dc347ab11e5470ccae5205bd096531a7f6b14bf9ab4d2d297ce96e2baa5c6c
[INFO] running `Command { std: "docker" "start" "-a" "16dc347ab11e5470ccae5205bd096531a7f6b14bf9ab4d2d297ce96e2baa5c6c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mimemagic-e17b9b34e4f3e720)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "16dc347ab11e5470ccae5205bd096531a7f6b14bf9ab4d2d297ce96e2baa5c6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16dc347ab11e5470ccae5205bd096531a7f6b14bf9ab4d2d297ce96e2baa5c6c", kill_on_drop: false }`
[INFO] [stdout] 16dc347ab11e5470ccae5205bd096531a7f6b14bf9ab4d2d297ce96e2baa5c6c