[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 1.55.0 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-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DelusionalOptimist/mutif on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-0/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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f9a53d7e78123b500aa081d0a726e455d7779c0da57d8d73c50d4c5cde211fb
[INFO] running `Command { std: "docker" "start" "-a" "0f9a53d7e78123b500aa081d0a726e455d7779c0da57d8d73c50d4c5cde211fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f9a53d7e78123b500aa081d0a726e455d7779c0da57d8d73c50d4c5cde211fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f9a53d7e78123b500aa081d0a726e455d7779c0da57d8d73c50d4c5cde211fb", kill_on_drop: false }`
[INFO] [stdout] 0f9a53d7e78123b500aa081d0a726e455d7779c0da57d8d73c50d4c5cde211fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] efa0262918ab2c8793ccaeed93b3aa040bd6044fc2e88f74a484b871f367a940
[INFO] running `Command { std: "docker" "start" "-a" "efa0262918ab2c8793ccaeed93b3aa040bd6044fc2e88f74a484b871f367a940", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling eyre v0.6.3
[INFO] [stderr]    Compiling indenter v0.3.0
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling owo-colors v1.1.3
[INFO] [stderr]    Compiling libdbus-sys v0.2.1
[INFO] [stderr]    Compiling sharded-slab v0.1.0
[INFO] [stderr]    Compiling addr2line v0.14.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling tracing-subscriber v0.2.15
[INFO] [stderr]    Compiling backtrace v0.3.54
[INFO] [stderr]    Compiling dbus v0.8.4
[INFO] [stderr]    Compiling dbus v0.9.0
[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 25.15s
[INFO] running `Command { std: "docker" "inspect" "efa0262918ab2c8793ccaeed93b3aa040bd6044fc2e88f74a484b871f367a940", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efa0262918ab2c8793ccaeed93b3aa040bd6044fc2e88f74a484b871f367a940", kill_on_drop: false }`
[INFO] [stdout] efa0262918ab2c8793ccaeed93b3aa040bd6044fc2e88f74a484b871f367a940
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd30ce5a3ae8f8f3a6a075b9b5508225c8172b5b2af4441e754450771c050cfb
[INFO] running `Command { std: "docker" "start" "-a" "fd30ce5a3ae8f8f3a6a075b9b5508225c8172b5b2af4441e754450771c050cfb", kill_on_drop: false }`
[INFO] [stderr]    Compiling mutif v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "fd30ce5a3ae8f8f3a6a075b9b5508225c8172b5b2af4441e754450771c050cfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd30ce5a3ae8f8f3a6a075b9b5508225c8172b5b2af4441e754450771c050cfb", kill_on_drop: false }`
[INFO] [stdout] fd30ce5a3ae8f8f3a6a075b9b5508225c8172b5b2af4441e754450771c050cfb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7eb906854f7aa09d881ca6cb55dd0f10a7a69006aea6c7fbdaef8237556c9caf
[INFO] running `Command { std: "docker" "start" "-a" "7eb906854f7aa09d881ca6cb55dd0f10a7a69006aea6c7fbdaef8237556c9caf", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mutif-238c7940c8c858da)
[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" "7eb906854f7aa09d881ca6cb55dd0f10a7a69006aea6c7fbdaef8237556c9caf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7eb906854f7aa09d881ca6cb55dd0f10a7a69006aea6c7fbdaef8237556c9caf", kill_on_drop: false }`
[INFO] [stdout] 7eb906854f7aa09d881ca6cb55dd0f10a7a69006aea6c7fbdaef8237556c9caf