[INFO] cloning repository https://github.com/wcygan/count-primes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wcygan/count-primes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwcygan%2Fcount-primes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwcygan%2Fcount-primes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8b49c875ecfcf693d1d737020102615c8ee8344a
[INFO] testing wcygan/count-primes against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwcygan%2Fcount-primes" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wcygan/count-primes 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/wcygan/count-primes
[INFO] finished tweaking git repo https://github.com/wcygan/count-primes
[INFO] tweaked toml for git repo https://github.com/wcygan/count-primes written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/wcygan/count-primes 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]  Downloading crates ...
[INFO] [stderr]   Downloaded primes v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 7404acb05584b903094bb89de3eb358b884ed3ef6aa7ceb0fd9f20bf5edc4486
[INFO] running `Command { std: "docker" "start" "-a" "7404acb05584b903094bb89de3eb358b884ed3ef6aa7ceb0fd9f20bf5edc4486", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7404acb05584b903094bb89de3eb358b884ed3ef6aa7ceb0fd9f20bf5edc4486", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7404acb05584b903094bb89de3eb358b884ed3ef6aa7ceb0fd9f20bf5edc4486", kill_on_drop: false }`
[INFO] [stdout] 7404acb05584b903094bb89de3eb358b884ed3ef6aa7ceb0fd9f20bf5edc4486
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 52b3a0864d9d57d70a7ddbb0c0bfacbfec6b1d213b189646207dd6adf480e9cc
[INFO] running `Command { std: "docker" "start" "-a" "52b3a0864d9d57d70a7ddbb0c0bfacbfec6b1d213b189646207dd6adf480e9cc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling primes v0.3.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling count-primes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rayon::ThreadPoolBuilder`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rayon::ThreadPoolBuilder;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.00s
[INFO] running `Command { std: "docker" "inspect" "52b3a0864d9d57d70a7ddbb0c0bfacbfec6b1d213b189646207dd6adf480e9cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52b3a0864d9d57d70a7ddbb0c0bfacbfec6b1d213b189646207dd6adf480e9cc", kill_on_drop: false }`
[INFO] [stdout] 52b3a0864d9d57d70a7ddbb0c0bfacbfec6b1d213b189646207dd6adf480e9cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 80054e0fe1d2e039d74ef5419a205358ed0df52479dd1d2bb9cf906781a35426
[INFO] running `Command { std: "docker" "start" "-a" "80054e0fe1d2e039d74ef5419a205358ed0df52479dd1d2bb9cf906781a35426", kill_on_drop: false }`
[INFO] [stderr]    Compiling count-primes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rayon::ThreadPoolBuilder`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rayon::ThreadPoolBuilder;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "80054e0fe1d2e039d74ef5419a205358ed0df52479dd1d2bb9cf906781a35426", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80054e0fe1d2e039d74ef5419a205358ed0df52479dd1d2bb9cf906781a35426", kill_on_drop: false }`
[INFO] [stdout] 80054e0fe1d2e039d74ef5419a205358ed0df52479dd1d2bb9cf906781a35426
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 834a33b76f3d687a4754ed482fcb3fdad8bae2a412a41d2137c3d686f7078bd2
[INFO] running `Command { std: "docker" "start" "-a" "834a33b76f3d687a4754ed482fcb3fdad8bae2a412a41d2137c3d686f7078bd2", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `rayon::ThreadPoolBuilder`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use rayon::ThreadPoolBuilder;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `count-primes` (bin "count-primes" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/count_primes-6d857ec4a1ed257b)
[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" "834a33b76f3d687a4754ed482fcb3fdad8bae2a412a41d2137c3d686f7078bd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "834a33b76f3d687a4754ed482fcb3fdad8bae2a412a41d2137c3d686f7078bd2", kill_on_drop: false }`
[INFO] [stdout] 834a33b76f3d687a4754ed482fcb3fdad8bae2a412a41d2137c3d686f7078bd2