[INFO] cloning repository https://github.com/mosmeh/collatz
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mosmeh/collatz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmosmeh%2Fcollatz", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmosmeh%2Fcollatz'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 26977e4f6f712f45052eddb62a66e5d817256a17
[INFO] testing mosmeh/collatz against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmosmeh%2Fcollatz" "/workspace/builds/worker-53/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-53/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mosmeh/collatz 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/mosmeh/collatz
[INFO] finished tweaking git repo https://github.com/mosmeh/collatz
[INFO] tweaked toml for git repo https://github.com/mosmeh/collatz written to /workspace/builds/worker-53/source/Cargo.toml
[INFO] crate git repo https://github.com/mosmeh/collatz 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-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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] 8d22e2bf9806da165d25d50dc430061118a5edaa8619d373c6e134f0e9deecc8
[INFO] running `Command { std: "docker" "start" "-a" "8d22e2bf9806da165d25d50dc430061118a5edaa8619d373c6e134f0e9deecc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d22e2bf9806da165d25d50dc430061118a5edaa8619d373c6e134f0e9deecc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d22e2bf9806da165d25d50dc430061118a5edaa8619d373c6e134f0e9deecc8", kill_on_drop: false }`
[INFO] [stdout] 8d22e2bf9806da165d25d50dc430061118a5edaa8619d373c6e134f0e9deecc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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] fc46b3bb4de9e109434116ab0001cd83c2a1d23efb45c3445eb7c59128c68e08
[INFO] running `Command { std: "docker" "start" "-a" "fc46b3bb4de9e109434116ab0001cd83c2a1d23efb45c3445eb7c59128c68e08", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling num-bigint v0.2.1
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling collatz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.49s
[INFO] running `Command { std: "docker" "inspect" "fc46b3bb4de9e109434116ab0001cd83c2a1d23efb45c3445eb7c59128c68e08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc46b3bb4de9e109434116ab0001cd83c2a1d23efb45c3445eb7c59128c68e08", kill_on_drop: false }`
[INFO] [stdout] fc46b3bb4de9e109434116ab0001cd83c2a1d23efb45c3445eb7c59128c68e08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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] 3ed923f28e5f71909e78063c85b3459d888f486caf725805a1c6b78f6859c6bf
[INFO] running `Command { std: "docker" "start" "-a" "3ed923f28e5f71909e78063c85b3459d888f486caf725805a1c6b78f6859c6bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling collatz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "3ed923f28e5f71909e78063c85b3459d888f486caf725805a1c6b78f6859c6bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ed923f28e5f71909e78063c85b3459d888f486caf725805a1c6b78f6859c6bf", kill_on_drop: false }`
[INFO] [stdout] 3ed923f28e5f71909e78063c85b3459d888f486caf725805a1c6b78f6859c6bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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] dff20ad9c9caa91eb5cd7c658dee714cadbf499b6e508d88f48a5d411c4f86e6
[INFO] running `Command { std: "docker" "start" "-a" "dff20ad9c9caa91eb5cd7c658dee714cadbf499b6e508d88f48a5d411c4f86e6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/collatz-27e7f83e1d95595e)
[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" "dff20ad9c9caa91eb5cd7c658dee714cadbf499b6e508d88f48a5d411c4f86e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dff20ad9c9caa91eb5cd7c658dee714cadbf499b6e508d88f48a5d411c4f86e6", kill_on_drop: false }`
[INFO] [stdout] dff20ad9c9caa91eb5cd7c658dee714cadbf499b6e508d88f48a5d411c4f86e6