[INFO] cloning repository https://github.com/colin-pm/collatz
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/colin-pm/collatz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolin-pm%2Fcollatz", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolin-pm%2Fcollatz'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 767c4ce44cdbf90de49fbf7d4217685dcd0a0dd2
[INFO] testing colin-pm/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%2Fcolin-pm%2Fcollatz" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/colin-pm/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/colin-pm/collatz
[INFO] finished tweaking git repo https://github.com/colin-pm/collatz
[INFO] tweaked toml for git repo https://github.com/colin-pm/collatz written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/colin-pm/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] ab3428d8c5f6f413a5724deaac14aef03e79a96a1cc19a5c5f4d1e6db6f2a1e2
[INFO] running `Command { std: "docker" "start" "-a" "ab3428d8c5f6f413a5724deaac14aef03e79a96a1cc19a5c5f4d1e6db6f2a1e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab3428d8c5f6f413a5724deaac14aef03e79a96a1cc19a5c5f4d1e6db6f2a1e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab3428d8c5f6f413a5724deaac14aef03e79a96a1cc19a5c5f4d1e6db6f2a1e2", kill_on_drop: false }`
[INFO] [stdout] ab3428d8c5f6f413a5724deaac14aef03e79a96a1cc19a5c5f4d1e6db6f2a1e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] e6c78973394a2784f54a0efaa2c6b7db1a0729a47946cfd555a483451038720b
[INFO] running `Command { std: "docker" "start" "-a" "e6c78973394a2784f54a0efaa2c6b7db1a0729a47946cfd555a483451038720b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling collatz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "e6c78973394a2784f54a0efaa2c6b7db1a0729a47946cfd555a483451038720b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6c78973394a2784f54a0efaa2c6b7db1a0729a47946cfd555a483451038720b", kill_on_drop: false }`
[INFO] [stdout] e6c78973394a2784f54a0efaa2c6b7db1a0729a47946cfd555a483451038720b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 474b64e1dcfb098d4cc32a89934dbd91e7140cc3644a6331ac3f3703c77e683f
[INFO] running `Command { std: "docker" "start" "-a" "474b64e1dcfb098d4cc32a89934dbd91e7140cc3644a6331ac3f3703c77e683f", kill_on_drop: false }`
[INFO] [stderr]    Compiling collatz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "474b64e1dcfb098d4cc32a89934dbd91e7140cc3644a6331ac3f3703c77e683f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "474b64e1dcfb098d4cc32a89934dbd91e7140cc3644a6331ac3f3703c77e683f", kill_on_drop: false }`
[INFO] [stdout] 474b64e1dcfb098d4cc32a89934dbd91e7140cc3644a6331ac3f3703c77e683f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 8559e428ac33eb5b36e9fa2b0a9b82a822a5c63ba6c76b25a4903303d78de957
[INFO] running `Command { std: "docker" "start" "-a" "8559e428ac33eb5b36e9fa2b0a9b82a822a5c63ba6c76b25a4903303d78de957", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/collatz-765d9c1a8120e449)
[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" "8559e428ac33eb5b36e9fa2b0a9b82a822a5c63ba6c76b25a4903303d78de957", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8559e428ac33eb5b36e9fa2b0a9b82a822a5c63ba6c76b25a4903303d78de957", kill_on_drop: false }`
[INFO] [stdout] 8559e428ac33eb5b36e9fa2b0a9b82a822a5c63ba6c76b25a4903303d78de957