[INFO] fetching crate nonparallel 0.1.0...
[INFO] testing nonparallel-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate nonparallel 0.1.0 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate nonparallel 0.1.0 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 crates.io crate nonparallel 0.1.0
[INFO] finished tweaking crates.io crate nonparallel 0.1.0
[INFO] tweaked toml for crates.io crate nonparallel 0.1.0 written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] fb64bfcdcbf505eebf1a9f7ed3e12e91941cff12d6e2193a2f7d438799c9e689
[INFO] running `Command { std: "docker" "start" "-a" "fb64bfcdcbf505eebf1a9f7ed3e12e91941cff12d6e2193a2f7d438799c9e689", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb64bfcdcbf505eebf1a9f7ed3e12e91941cff12d6e2193a2f7d438799c9e689", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb64bfcdcbf505eebf1a9f7ed3e12e91941cff12d6e2193a2f7d438799c9e689", kill_on_drop: false }`
[INFO] [stdout] fb64bfcdcbf505eebf1a9f7ed3e12e91941cff12d6e2193a2f7d438799c9e689
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 1694b77b5d8850b66b0e054fca02915e6fd2dcfbdb7eb35be85ca94d6eadd386
[INFO] running `Command { std: "docker" "start" "-a" "1694b77b5d8850b66b0e054fca02915e6fd2dcfbdb7eb35be85ca94d6eadd386", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling nonparallel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.12s
[INFO] running `Command { std: "docker" "inspect" "1694b77b5d8850b66b0e054fca02915e6fd2dcfbdb7eb35be85ca94d6eadd386", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1694b77b5d8850b66b0e054fca02915e6fd2dcfbdb7eb35be85ca94d6eadd386", kill_on_drop: false }`
[INFO] [stdout] 1694b77b5d8850b66b0e054fca02915e6fd2dcfbdb7eb35be85ca94d6eadd386
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 9d756e84fc8940b88e0b82f40d2dac0482681eb5a16acbad27f66b1ca05a5996
[INFO] running `Command { std: "docker" "start" "-a" "9d756e84fc8940b88e0b82f40d2dac0482681eb5a16acbad27f66b1ca05a5996", kill_on_drop: false }`
[INFO] [stderr]    Compiling nonparallel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.10s
[INFO] running `Command { std: "docker" "inspect" "9d756e84fc8940b88e0b82f40d2dac0482681eb5a16acbad27f66b1ca05a5996", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d756e84fc8940b88e0b82f40d2dac0482681eb5a16acbad27f66b1ca05a5996", kill_on_drop: false }`
[INFO] [stdout] 9d756e84fc8940b88e0b82f40d2dac0482681eb5a16acbad27f66b1ca05a5996
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 8f229566360c9f565d0769fc30eaf0c690adc640b1238b2ebc41e9a3dd76e458
[INFO] running `Command { std: "docker" "start" "-a" "8f229566360c9f565d0769fc30eaf0c690adc640b1238b2ebc41e9a3dd76e458", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nonparallel-f44ca111d43de056)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration.rs (/opt/rustwide/target/debug/deps/integration-734ae76498944544)
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test it_works ... 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] [stderr]    Doc-tests nonparallel
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 12) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.29s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8f229566360c9f565d0769fc30eaf0c690adc640b1238b2ebc41e9a3dd76e458", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f229566360c9f565d0769fc30eaf0c690adc640b1238b2ebc41e9a3dd76e458", kill_on_drop: false }`
[INFO] [stdout] 8f229566360c9f565d0769fc30eaf0c690adc640b1238b2ebc41e9a3dd76e458