[INFO] cloning repository https://github.com/TENX-S/collatz_conjecture
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TENX-S/collatz_conjecture" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTENX-S%2Fcollatz_conjecture", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTENX-S%2Fcollatz_conjecture'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3c4dc4ef8a0cf7c3129457cb161ac2deb09e190e
[INFO] testing TENX-S/collatz_conjecture against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTENX-S%2Fcollatz_conjecture" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TENX-S/collatz_conjecture 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/TENX-S/collatz_conjecture
[INFO] finished tweaking git repo https://github.com/TENX-S/collatz_conjecture
[INFO] tweaked toml for git repo https://github.com/TENX-S/collatz_conjecture written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/TENX-S/collatz_conjecture 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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] cd7164dc966cc7d4897c8d29a7814b37587b3210addf7a6a7d28379449051a2c
[INFO] running `Command { std: "docker" "start" "-a" "cd7164dc966cc7d4897c8d29a7814b37587b3210addf7a6a7d28379449051a2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd7164dc966cc7d4897c8d29a7814b37587b3210addf7a6a7d28379449051a2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd7164dc966cc7d4897c8d29a7814b37587b3210addf7a6a7d28379449051a2c", kill_on_drop: false }`
[INFO] [stdout] cd7164dc966cc7d4897c8d29a7814b37587b3210addf7a6a7d28379449051a2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 72bef57659f10efeb7bddb50499a65e2bbf0bd6d61ec7cce9ec724c51abed4ec
[INFO] running `Command { std: "docker" "start" "-a" "72bef57659f10efeb7bddb50499a65e2bbf0bd6d61ec7cce9ec724c51abed4ec", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling collatz_conjecture v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.05s
[INFO] running `Command { std: "docker" "inspect" "72bef57659f10efeb7bddb50499a65e2bbf0bd6d61ec7cce9ec724c51abed4ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72bef57659f10efeb7bddb50499a65e2bbf0bd6d61ec7cce9ec724c51abed4ec", kill_on_drop: false }`
[INFO] [stdout] 72bef57659f10efeb7bddb50499a65e2bbf0bd6d61ec7cce9ec724c51abed4ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 1fff12c1c15bc03aab8752fe824e953c8f8be9da663287e66aa206340a269162
[INFO] running `Command { std: "docker" "start" "-a" "1fff12c1c15bc03aab8752fe824e953c8f8be9da663287e66aa206340a269162", kill_on_drop: false }`
[INFO] [stderr]    Compiling collatz_conjecture v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "1fff12c1c15bc03aab8752fe824e953c8f8be9da663287e66aa206340a269162", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fff12c1c15bc03aab8752fe824e953c8f8be9da663287e66aa206340a269162", kill_on_drop: false }`
[INFO] [stdout] 1fff12c1c15bc03aab8752fe824e953c8f8be9da663287e66aa206340a269162
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 314d0f973d2f31471dde17dd13ac7cae5b06af6bfb531da062196f24d69b0709
[INFO] running `Command { std: "docker" "start" "-a" "314d0f973d2f31471dde17dd13ac7cae5b06af6bfb531da062196f24d69b0709", 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/collatz_conjecture-d80e85c3e044b461)
[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" "314d0f973d2f31471dde17dd13ac7cae5b06af6bfb531da062196f24d69b0709", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "314d0f973d2f31471dde17dd13ac7cae5b06af6bfb531da062196f24d69b0709", kill_on_drop: false }`
[INFO] [stdout] 314d0f973d2f31471dde17dd13ac7cae5b06af6bfb531da062196f24d69b0709