[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] checking mutantbob/rust_multithread_sieve_toy against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmutantbob%2Frust_multithread_sieve_toy" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mutantbob/rust_multithread_sieve_toy on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "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-14/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" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34dbc544b53f45736411696908cd66ac6c748468733774ebbc25ee4b28da2560
[INFO] running `Command { std: "docker" "start" "-a" "34dbc544b53f45736411696908cd66ac6c748468733774ebbc25ee4b28da2560", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34dbc544b53f45736411696908cd66ac6c748468733774ebbc25ee4b28da2560", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34dbc544b53f45736411696908cd66ac6c748468733774ebbc25ee4b28da2560", kill_on_drop: false }`
[INFO] [stdout] 34dbc544b53f45736411696908cd66ac6c748468733774ebbc25ee4b28da2560
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57a1e878b61a11e2ef79ec4c6e396416f742972cae7eac50ce78069cb68a4ded
[INFO] running `Command { std: "docker" "start" "-a" "57a1e878b61a11e2ef79ec4c6e396416f742972cae7eac50ce78069cb68a4ded", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking interleave v1.0.1
[INFO] [stderr]     Checking rust-multithread-exp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "57a1e878b61a11e2ef79ec4c6e396416f742972cae7eac50ce78069cb68a4ded", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57a1e878b61a11e2ef79ec4c6e396416f742972cae7eac50ce78069cb68a4ded", kill_on_drop: false }`
[INFO] [stdout] 57a1e878b61a11e2ef79ec4c6e396416f742972cae7eac50ce78069cb68a4ded