[INFO] cloning repository https://github.com/obi-jan-kenobi/rust-perceptron
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/obi-jan-kenobi/rust-perceptron" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobi-jan-kenobi%2Frust-perceptron", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobi-jan-kenobi%2Frust-perceptron'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 94caf77385f13f668d52d1039822915aa83124aa
[INFO] testing obi-jan-kenobi/rust-perceptron against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobi-jan-kenobi%2Frust-perceptron" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/obi-jan-kenobi/rust-perceptron 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/obi-jan-kenobi/rust-perceptron
[INFO] finished tweaking git repo https://github.com/obi-jan-kenobi/rust-perceptron
[INFO] tweaked toml for git repo https://github.com/obi-jan-kenobi/rust-perceptron written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/obi-jan-kenobi/rust-perceptron 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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 248f642af5ecf7f7225d24b5b7245454aa81cd4fa0b0ab924f27b99f01376d61
[INFO] running `Command { std: "docker" "start" "-a" "248f642af5ecf7f7225d24b5b7245454aa81cd4fa0b0ab924f27b99f01376d61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "248f642af5ecf7f7225d24b5b7245454aa81cd4fa0b0ab924f27b99f01376d61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "248f642af5ecf7f7225d24b5b7245454aa81cd4fa0b0ab924f27b99f01376d61", kill_on_drop: false }`
[INFO] [stdout] 248f642af5ecf7f7225d24b5b7245454aa81cd4fa0b0ab924f27b99f01376d61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 7f0d169493fa98400cdef08424db575c7117a19daea8eb56906dece0a3269e2b
[INFO] running `Command { std: "docker" "start" "-a" "7f0d169493fa98400cdef08424db575c7117a19daea8eb56906dece0a3269e2b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling rand v0.5.1
[INFO] [stderr]    Compiling perceptron v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.58s
[INFO] running `Command { std: "docker" "inspect" "7f0d169493fa98400cdef08424db575c7117a19daea8eb56906dece0a3269e2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f0d169493fa98400cdef08424db575c7117a19daea8eb56906dece0a3269e2b", kill_on_drop: false }`
[INFO] [stdout] 7f0d169493fa98400cdef08424db575c7117a19daea8eb56906dece0a3269e2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] b19b34f8ffe6f18ccf076afc3a82feb387b2e91788570b826c05f08f1b98ccac
[INFO] running `Command { std: "docker" "start" "-a" "b19b34f8ffe6f18ccf076afc3a82feb387b2e91788570b826c05f08f1b98ccac", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling perceptron v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.28s
[INFO] running `Command { std: "docker" "inspect" "b19b34f8ffe6f18ccf076afc3a82feb387b2e91788570b826c05f08f1b98ccac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b19b34f8ffe6f18ccf076afc3a82feb387b2e91788570b826c05f08f1b98ccac", kill_on_drop: false }`
[INFO] [stdout] b19b34f8ffe6f18ccf076afc3a82feb387b2e91788570b826c05f08f1b98ccac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 5ebca68ec526620a3f9f43e7974713b8442f88bc5a3211dd98fdb91ec2ef7a6d
[INFO] running `Command { std: "docker" "start" "-a" "5ebca68ec526620a3f9f43e7974713b8442f88bc5a3211dd98fdb91ec2ef7a6d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/perceptron-37d9edbd7e9c17d4)
[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" "5ebca68ec526620a3f9f43e7974713b8442f88bc5a3211dd98fdb91ec2ef7a6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ebca68ec526620a3f9f43e7974713b8442f88bc5a3211dd98fdb91ec2ef7a6d", kill_on_drop: false }`
[INFO] [stdout] 5ebca68ec526620a3f9f43e7974713b8442f88bc5a3211dd98fdb91ec2ef7a6d