[INFO] cloning repository https://github.com/jrmoulton/parallel_mandelbrot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jrmoulton/parallel_mandelbrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjrmoulton%2Fparallel_mandelbrot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjrmoulton%2Fparallel_mandelbrot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c2bad9e22d9ed9ee643e2e874ab5c833e27da46a
[INFO] testing jrmoulton/parallel_mandelbrot against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjrmoulton%2Fparallel_mandelbrot" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jrmoulton/parallel_mandelbrot on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jrmoulton/parallel_mandelbrot
[INFO] finished tweaking git repo https://github.com/jrmoulton/parallel_mandelbrot
[INFO] tweaked toml for git repo https://github.com/jrmoulton/parallel_mandelbrot written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/jrmoulton/parallel_mandelbrot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8af5f9e9b07ab1445b3b65620c1ef61bdc9e7962b7f343f6e7fe0f19df90c4a
[INFO] running `Command { std: "docker" "start" "-a" "f8af5f9e9b07ab1445b3b65620c1ef61bdc9e7962b7f343f6e7fe0f19df90c4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8af5f9e9b07ab1445b3b65620c1ef61bdc9e7962b7f343f6e7fe0f19df90c4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8af5f9e9b07ab1445b3b65620c1ef61bdc9e7962b7f343f6e7fe0f19df90c4a", kill_on_drop: false }`
[INFO] [stdout] f8af5f9e9b07ab1445b3b65620c1ef61bdc9e7962b7f343f6e7fe0f19df90c4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68d0271bd5245df6e50e3addd3cde98653b73efb8fc6bf72aa021ee48b499621
[INFO] running `Command { std: "docker" "start" "-a" "68d0271bd5245df6e50e3addd3cde98653b73efb8fc6bf72aa021ee48b499621", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling parallel_mandelbrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.12s
[INFO] running `Command { std: "docker" "inspect" "68d0271bd5245df6e50e3addd3cde98653b73efb8fc6bf72aa021ee48b499621", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68d0271bd5245df6e50e3addd3cde98653b73efb8fc6bf72aa021ee48b499621", kill_on_drop: false }`
[INFO] [stdout] 68d0271bd5245df6e50e3addd3cde98653b73efb8fc6bf72aa021ee48b499621
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 208c5dde5cf1b01d5dc61bec0fcabd53ee4051bed2783ee8914b1ff15d22856b
[INFO] running `Command { std: "docker" "start" "-a" "208c5dde5cf1b01d5dc61bec0fcabd53ee4051bed2783ee8914b1ff15d22856b", kill_on_drop: false }`
[INFO] [stderr]    Compiling parallel_mandelbrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "208c5dde5cf1b01d5dc61bec0fcabd53ee4051bed2783ee8914b1ff15d22856b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "208c5dde5cf1b01d5dc61bec0fcabd53ee4051bed2783ee8914b1ff15d22856b", kill_on_drop: false }`
[INFO] [stdout] 208c5dde5cf1b01d5dc61bec0fcabd53ee4051bed2783ee8914b1ff15d22856b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 28668b22111b70d35e56bc3ff4a4a2469557da1ad7945301e0e72ecb602aa1b7
[INFO] running `Command { std: "docker" "start" "-a" "28668b22111b70d35e56bc3ff4a4a2469557da1ad7945301e0e72ecb602aa1b7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.39s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/parallel_mandelbrot-c0346813f6d1ddd9)
[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" "28668b22111b70d35e56bc3ff4a4a2469557da1ad7945301e0e72ecb602aa1b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28668b22111b70d35e56bc3ff4a4a2469557da1ad7945301e0e72ecb602aa1b7", kill_on_drop: false }`
[INFO] [stdout] 28668b22111b70d35e56bc3ff4a4a2469557da1ad7945301e0e72ecb602aa1b7