[INFO] cloning repository https://github.com/rehabaam/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/rehabaam/collatz-conjecture" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frehabaam%2Fcollatz-conjecture", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frehabaam%2Fcollatz-conjecture'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1f42f2d26528702597ac9f6d928ef8a99b0310d8
[INFO] testing rehabaam/collatz-conjecture against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frehabaam%2Fcollatz-conjecture" "/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/rehabaam/collatz-conjecture on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rehabaam/collatz-conjecture
[INFO] finished tweaking git repo https://github.com/rehabaam/collatz-conjecture
[INFO] tweaked toml for git repo https://github.com/rehabaam/collatz-conjecture written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/rehabaam/collatz-conjecture already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84512beaa18177566cfe4a5f1700230bc4f22995e0eb0f175dab39910e6fc52d
[INFO] running `Command { std: "docker" "start" "-a" "84512beaa18177566cfe4a5f1700230bc4f22995e0eb0f175dab39910e6fc52d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84512beaa18177566cfe4a5f1700230bc4f22995e0eb0f175dab39910e6fc52d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84512beaa18177566cfe4a5f1700230bc4f22995e0eb0f175dab39910e6fc52d", kill_on_drop: false }`
[INFO] [stdout] 84512beaa18177566cfe4a5f1700230bc4f22995e0eb0f175dab39910e6fc52d
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b2846c9c4bfe4a16354a23c10332a000557228cbb56a072ad9a1c8fa05db670
[INFO] running `Command { std: "docker" "start" "-a" "8b2846c9c4bfe4a16354a23c10332a000557228cbb56a072ad9a1c8fa05db670", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling collatz-conjecture v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.94s
[INFO] running `Command { std: "docker" "inspect" "8b2846c9c4bfe4a16354a23c10332a000557228cbb56a072ad9a1c8fa05db670", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b2846c9c4bfe4a16354a23c10332a000557228cbb56a072ad9a1c8fa05db670", kill_on_drop: false }`
[INFO] [stdout] 8b2846c9c4bfe4a16354a23c10332a000557228cbb56a072ad9a1c8fa05db670
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d74068b3f28ebdbedb5ba1f2c21b058b99addd3571606cce98a1888e321a9181
[INFO] running `Command { std: "docker" "start" "-a" "d74068b3f28ebdbedb5ba1f2c21b058b99addd3571606cce98a1888e321a9181", kill_on_drop: false }`
[INFO] [stderr]    Compiling collatz-conjecture v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "d74068b3f28ebdbedb5ba1f2c21b058b99addd3571606cce98a1888e321a9181", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d74068b3f28ebdbedb5ba1f2c21b058b99addd3571606cce98a1888e321a9181", kill_on_drop: false }`
[INFO] [stdout] d74068b3f28ebdbedb5ba1f2c21b058b99addd3571606cce98a1888e321a9181
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f7d34d5d643746ef4276306d0e37d86394e17baf6f31a2875b3fe8547502a18a
[INFO] running `Command { std: "docker" "start" "-a" "f7d34d5d643746ef4276306d0e37d86394e17baf6f31a2875b3fe8547502a18a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/collatz_conjecture-580df039820a0130)
[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" "f7d34d5d643746ef4276306d0e37d86394e17baf6f31a2875b3fe8547502a18a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7d34d5d643746ef4276306d0e37d86394e17baf6f31a2875b3fe8547502a18a", kill_on_drop: false }`
[INFO] [stdout] f7d34d5d643746ef4276306d0e37d86394e17baf6f31a2875b3fe8547502a18a