[INFO] cloning repository https://github.com/mutantbob/rust_multithread_sieve_toy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mutantbob/rust_multithread_sieve_toy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmutantbob%2Frust_multithread_sieve_toy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmutantbob%2Frust_multithread_sieve_toy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3b2be5e7b699415c31217db09fd3d7e4ae7c7f65
[INFO] testing mutantbob/rust_multithread_sieve_toy against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmutantbob%2Frust_multithread_sieve_toy" "/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/mutantbob/rust_multithread_sieve_toy on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mutantbob/rust_multithread_sieve_toy
[INFO] finished tweaking git repo https://github.com/mutantbob/rust_multithread_sieve_toy
[INFO] tweaked toml for git repo https://github.com/mutantbob/rust_multithread_sieve_toy written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/mutantbob/rust_multithread_sieve_toy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf91946a501e1b71fe206c6c33515f6530a08283faaf430934a1fe8066d98cb0
[INFO] running `Command { std: "docker" "start" "-a" "bf91946a501e1b71fe206c6c33515f6530a08283faaf430934a1fe8066d98cb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf91946a501e1b71fe206c6c33515f6530a08283faaf430934a1fe8066d98cb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf91946a501e1b71fe206c6c33515f6530a08283faaf430934a1fe8066d98cb0", kill_on_drop: false }`
[INFO] [stdout] bf91946a501e1b71fe206c6c33515f6530a08283faaf430934a1fe8066d98cb0
[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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5cb4749e81d9147f785b77bfe64942969ff1ebd50685b00c0a5e31d061f15615
[INFO] running `Command { std: "docker" "start" "-a" "5cb4749e81d9147f785b77bfe64942969ff1ebd50685b00c0a5e31d061f15615", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling interleave v1.0.1
[INFO] [stderr]    Compiling rust-multithread-exp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.25s
[INFO] running `Command { std: "docker" "inspect" "5cb4749e81d9147f785b77bfe64942969ff1ebd50685b00c0a5e31d061f15615", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cb4749e81d9147f785b77bfe64942969ff1ebd50685b00c0a5e31d061f15615", kill_on_drop: false }`
[INFO] [stdout] 5cb4749e81d9147f785b77bfe64942969ff1ebd50685b00c0a5e31d061f15615
[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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 491a2522612db30464cd2b5d2c241d06b622858394343a5472b9adc24c1b691d
[INFO] running `Command { std: "docker" "start" "-a" "491a2522612db30464cd2b5d2c241d06b622858394343a5472b9adc24c1b691d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-multithread-exp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "491a2522612db30464cd2b5d2c241d06b622858394343a5472b9adc24c1b691d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "491a2522612db30464cd2b5d2c241d06b622858394343a5472b9adc24c1b691d", kill_on_drop: false }`
[INFO] [stdout] 491a2522612db30464cd2b5d2c241d06b622858394343a5472b9adc24c1b691d
[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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 25768666598a36004502cce7fe2a362a27548fe8aa63c01619bff1fc9d8f9407
[INFO] running `Command { std: "docker" "start" "-a" "25768666598a36004502cce7fe2a362a27548fe8aa63c01619bff1fc9d8f9407", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_multithread_exp-7b83b69ba75f1c0f)
[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" "25768666598a36004502cce7fe2a362a27548fe8aa63c01619bff1fc9d8f9407", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25768666598a36004502cce7fe2a362a27548fe8aa63c01619bff1fc9d8f9407", kill_on_drop: false }`
[INFO] [stdout] 25768666598a36004502cce7fe2a362a27548fe8aa63c01619bff1fc9d8f9407