[INFO] cloning repository https://github.com/DelusionalOptimist/mutif
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DelusionalOptimist/mutif" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDelusionalOptimist%2Fmutif", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDelusionalOptimist%2Fmutif'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4d4366a89af18bc3585f7ed815a4be179ded653a
[INFO] testing DelusionalOptimist/mutif against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDelusionalOptimist%2Fmutif" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DelusionalOptimist/mutif on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DelusionalOptimist/mutif
[INFO] finished tweaking git repo https://github.com/DelusionalOptimist/mutif
[INFO] tweaked toml for git repo https://github.com/DelusionalOptimist/mutif written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/DelusionalOptimist/mutif already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded owo-colors v1.1.3
[INFO] [stderr]   Downloaded backtrace v0.3.54
[INFO] [stderr]   Downloaded indenter v0.3.0
[INFO] [stderr]   Downloaded color-spantrace v0.1.4
[INFO] [stderr]   Downloaded eyre v0.6.3
[INFO] [stderr]   Downloaded dbus v0.9.0
[INFO] [stderr]   Downloaded color-eyre v0.5.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ad0f484df541fa2e71b9e5affa4f64910651272401f5a44f80e5cf5b922a478
[INFO] running `Command { std: "docker" "start" "-a" "6ad0f484df541fa2e71b9e5affa4f64910651272401f5a44f80e5cf5b922a478", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ad0f484df541fa2e71b9e5affa4f64910651272401f5a44f80e5cf5b922a478", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ad0f484df541fa2e71b9e5affa4f64910651272401f5a44f80e5cf5b922a478", kill_on_drop: false }`
[INFO] [stdout] 6ad0f484df541fa2e71b9e5affa4f64910651272401f5a44f80e5cf5b922a478
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc28774640d308c7e9d65f10dd02c3250f23736328a33387f3eda26ecb074548
[INFO] running `Command { std: "docker" "start" "-a" "fc28774640d308c7e9d65f10dd02c3250f23736328a33387f3eda26ecb074548", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling pin-project-lite v0.1.11
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling eyre v0.6.3
[INFO] [stderr]    Compiling object v0.22.0
[INFO] [stderr]    Compiling indenter v0.3.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.18
[INFO] [stderr]    Compiling owo-colors v1.1.3
[INFO] [stderr]    Compiling libdbus-sys v0.2.1
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling sharded-slab v0.1.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling tracing-subscriber v0.2.15
[INFO] [stderr]    Compiling dbus v0.8.4
[INFO] [stderr]    Compiling dbus v0.9.0
[INFO] [stderr]    Compiling addr2line v0.14.0
[INFO] [stderr]    Compiling backtrace v0.3.54
[INFO] [stderr]    Compiling notify-rust v4.0.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling tracing v0.1.21
[INFO] [stderr]    Compiling tracing-error v0.1.2
[INFO] [stderr]    Compiling color-spantrace v0.1.4
[INFO] [stderr]    Compiling color-eyre v0.5.7
[INFO] [stderr]    Compiling mutif v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.23s
[INFO] running `Command { std: "docker" "inspect" "fc28774640d308c7e9d65f10dd02c3250f23736328a33387f3eda26ecb074548", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc28774640d308c7e9d65f10dd02c3250f23736328a33387f3eda26ecb074548", kill_on_drop: false }`
[INFO] [stdout] fc28774640d308c7e9d65f10dd02c3250f23736328a33387f3eda26ecb074548
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4076559e1c4e37b652c4ecf334f6955115c8f25e50e766afe3a894f85b0942d4
[INFO] running `Command { std: "docker" "start" "-a" "4076559e1c4e37b652c4ecf334f6955115c8f25e50e766afe3a894f85b0942d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling mutif v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "4076559e1c4e37b652c4ecf334f6955115c8f25e50e766afe3a894f85b0942d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4076559e1c4e37b652c4ecf334f6955115c8f25e50e766afe3a894f85b0942d4", kill_on_drop: false }`
[INFO] [stdout] 4076559e1c4e37b652c4ecf334f6955115c8f25e50e766afe3a894f85b0942d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 95d5d72571e4535b2cbd4b686a05a6610c02adb9a0cdf6072ee562b0955838a1
[INFO] running `Command { std: "docker" "start" "-a" "95d5d72571e4535b2cbd4b686a05a6610c02adb9a0cdf6072ee562b0955838a1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mutif-a80ca1bedea18dc0)
[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" "95d5d72571e4535b2cbd4b686a05a6610c02adb9a0cdf6072ee562b0955838a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95d5d72571e4535b2cbd4b686a05a6610c02adb9a0cdf6072ee562b0955838a1", kill_on_drop: false }`
[INFO] [stdout] 95d5d72571e4535b2cbd4b686a05a6610c02adb9a0cdf6072ee562b0955838a1