[INFO] cloning repository https://github.com/Fitzsimmons/subreaper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Fitzsimmons/subreaper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFitzsimmons%2Fsubreaper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFitzsimmons%2Fsubreaper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 21a73e4517e4a433cb76918dbac2ba685ce55fbb
[INFO] testing Fitzsimmons/subreaper against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFitzsimmons%2Fsubreaper" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Fitzsimmons/subreaper 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/Fitzsimmons/subreaper
[INFO] finished tweaking git repo https://github.com/Fitzsimmons/subreaper
[INFO] tweaked toml for git repo https://github.com/Fitzsimmons/subreaper written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Fitzsimmons/subreaper 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 76c4876d46e8181e5cb4799e71b90f4fc0fd559b8c0fc46165b352b5cc9f409d
[INFO] running `Command { std: "docker" "start" "-a" "76c4876d46e8181e5cb4799e71b90f4fc0fd559b8c0fc46165b352b5cc9f409d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76c4876d46e8181e5cb4799e71b90f4fc0fd559b8c0fc46165b352b5cc9f409d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76c4876d46e8181e5cb4799e71b90f4fc0fd559b8c0fc46165b352b5cc9f409d", kill_on_drop: false }`
[INFO] [stdout] 76c4876d46e8181e5cb4799e71b90f4fc0fd559b8c0fc46165b352b5cc9f409d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 2be45bbb30250f7d4f62590e9a6b0c9d80310577379707a5d105f96ae6088cff
[INFO] running `Command { std: "docker" "start" "-a" "2be45bbb30250f7d4f62590e9a6b0c9d80310577379707a5d105f96ae6088cff", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.19
[INFO] [stderr]    Compiling subreaper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "2be45bbb30250f7d4f62590e9a6b0c9d80310577379707a5d105f96ae6088cff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2be45bbb30250f7d4f62590e9a6b0c9d80310577379707a5d105f96ae6088cff", kill_on_drop: false }`
[INFO] [stdout] 2be45bbb30250f7d4f62590e9a6b0c9d80310577379707a5d105f96ae6088cff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 6e448edd163dd5f9b03d93396986fed50e98f880efd93ca5f4306a9d9346c0b7
[INFO] running `Command { std: "docker" "start" "-a" "6e448edd163dd5f9b03d93396986fed50e98f880efd93ca5f4306a9d9346c0b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling subreaper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "6e448edd163dd5f9b03d93396986fed50e98f880efd93ca5f4306a9d9346c0b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e448edd163dd5f9b03d93396986fed50e98f880efd93ca5f4306a9d9346c0b7", kill_on_drop: false }`
[INFO] [stdout] 6e448edd163dd5f9b03d93396986fed50e98f880efd93ca5f4306a9d9346c0b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 721db94aa18f358220615b8aadebb6fd43d0089f198bc068ae5185f0702e9a4e
[INFO] running `Command { std: "docker" "start" "-a" "721db94aa18f358220615b8aadebb6fd43d0089f198bc068ae5185f0702e9a4e", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/subreaper-cdc9abd91c0d8630)
[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" "721db94aa18f358220615b8aadebb6fd43d0089f198bc068ae5185f0702e9a4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "721db94aa18f358220615b8aadebb6fd43d0089f198bc068ae5185f0702e9a4e", kill_on_drop: false }`
[INFO] [stdout] 721db94aa18f358220615b8aadebb6fd43d0089f198bc068ae5185f0702e9a4e