[INFO] cloning repository https://github.com/adarshpannu/closures
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adarshpannu/closures" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadarshpannu%2Fclosures", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadarshpannu%2Fclosures'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8e2d532bbc675c53bc7438a40697837870bfc9ce
[INFO] testing adarshpannu/closures 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%2Fadarshpannu%2Fclosures" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/adarshpannu/closures 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/adarshpannu/closures
[INFO] finished tweaking git repo https://github.com/adarshpannu/closures
[INFO] tweaked toml for git repo https://github.com/adarshpannu/closures written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/adarshpannu/closures 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] a144f26a7ef946db9e6fef92f2e47ab57c6b64b43ceac116675a67374c0f5feb
[INFO] running `Command { std: "docker" "start" "-a" "a144f26a7ef946db9e6fef92f2e47ab57c6b64b43ceac116675a67374c0f5feb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a144f26a7ef946db9e6fef92f2e47ab57c6b64b43ceac116675a67374c0f5feb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a144f26a7ef946db9e6fef92f2e47ab57c6b64b43ceac116675a67374c0f5feb", kill_on_drop: false }`
[INFO] [stdout] a144f26a7ef946db9e6fef92f2e47ab57c6b64b43ceac116675a67374c0f5feb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 1b60ef8c9574fc59a98a045d5550ea64594b4e7852030052802724b156c921db
[INFO] running `Command { std: "docker" "start" "-a" "1b60ef8c9574fc59a98a045d5550ea64594b4e7852030052802724b156c921db", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling id-arena v2.2.1
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rust101 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.34s
[INFO] running `Command { std: "docker" "inspect" "1b60ef8c9574fc59a98a045d5550ea64594b4e7852030052802724b156c921db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b60ef8c9574fc59a98a045d5550ea64594b4e7852030052802724b156c921db", kill_on_drop: false }`
[INFO] [stdout] 1b60ef8c9574fc59a98a045d5550ea64594b4e7852030052802724b156c921db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 228fceeae557d088547510a6df2ac4b94a0e90f351e1d0bffbce96e6842235c3
[INFO] running `Command { std: "docker" "start" "-a" "228fceeae557d088547510a6df2ac4b94a0e90f351e1d0bffbce96e6842235c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust101 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "228fceeae557d088547510a6df2ac4b94a0e90f351e1d0bffbce96e6842235c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "228fceeae557d088547510a6df2ac4b94a0e90f351e1d0bffbce96e6842235c3", kill_on_drop: false }`
[INFO] [stdout] 228fceeae557d088547510a6df2ac4b94a0e90f351e1d0bffbce96e6842235c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 67d3af81425970eaa8dc9b25304f230e397c16e0dfb568e1ab31343e72abcd84
[INFO] running `Command { std: "docker" "start" "-a" "67d3af81425970eaa8dc9b25304f230e397c16e0dfb568e1ab31343e72abcd84", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 21.90s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust101-07b27ada36bf324e)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test mutexes::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "67d3af81425970eaa8dc9b25304f230e397c16e0dfb568e1ab31343e72abcd84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67d3af81425970eaa8dc9b25304f230e397c16e0dfb568e1ab31343e72abcd84", kill_on_drop: false }`
[INFO] [stdout] 67d3af81425970eaa8dc9b25304f230e397c16e0dfb568e1ab31343e72abcd84