[INFO] fetching crate build-parallel 0.1.2...
[INFO] testing build-parallel-0.1.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate build-parallel 0.1.2 into /workspace/builds/worker-106/source
[INFO] validating manifest of crates.io crate build-parallel 0.1.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate build-parallel 0.1.2
[INFO] finished tweaking crates.io crate build-parallel 0.1.2
[INFO] tweaked toml for crates.io crate build-parallel 0.1.2 written to /workspace/builds/worker-106/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33cf29bedc263e8ebf5ad831f7fb45ca9c16dec46a6dd0bb62ccc15a76f8d20a
[INFO] running `Command { std: "docker" "start" "-a" "33cf29bedc263e8ebf5ad831f7fb45ca9c16dec46a6dd0bb62ccc15a76f8d20a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33cf29bedc263e8ebf5ad831f7fb45ca9c16dec46a6dd0bb62ccc15a76f8d20a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33cf29bedc263e8ebf5ad831f7fb45ca9c16dec46a6dd0bb62ccc15a76f8d20a", kill_on_drop: false }`
[INFO] [stdout] 33cf29bedc263e8ebf5ad831f7fb45ca9c16dec46a6dd0bb62ccc15a76f8d20a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d29eda4156a83e0e3f776fac7fa65466cbe801ef04b193d2acc475b3597fa62e
[INFO] running `Command { std: "docker" "start" "-a" "d29eda4156a83e0e3f776fac7fa65466cbe801ef04b193d2acc475b3597fa62e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling build-parallel v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.64s
[INFO] running `Command { std: "docker" "inspect" "d29eda4156a83e0e3f776fac7fa65466cbe801ef04b193d2acc475b3597fa62e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d29eda4156a83e0e3f776fac7fa65466cbe801ef04b193d2acc475b3597fa62e", kill_on_drop: false }`
[INFO] [stdout] d29eda4156a83e0e3f776fac7fa65466cbe801ef04b193d2acc475b3597fa62e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 079a7821bfee0b8630beb8eb3564241623f3c5012008701fea2664fb003fe504
[INFO] running `Command { std: "docker" "start" "-a" "079a7821bfee0b8630beb8eb3564241623f3c5012008701fea2664fb003fe504", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling build-parallel v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.85s
[INFO] running `Command { std: "docker" "inspect" "079a7821bfee0b8630beb8eb3564241623f3c5012008701fea2664fb003fe504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "079a7821bfee0b8630beb8eb3564241623f3c5012008701fea2664fb003fe504", kill_on_drop: false }`
[INFO] [stdout] 079a7821bfee0b8630beb8eb3564241623f3c5012008701fea2664fb003fe504
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 512fcb64683cede1da824c874a96686a5250e100b60a35deedf2b1cb8d37a90a
[INFO] running `Command { std: "docker" "start" "-a" "512fcb64683cede1da824c874a96686a5250e100b60a35deedf2b1cb8d37a90a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/build_parallel-383ac886a6db0470)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_build_error ... ok
[INFO] [stdout] test test_build_panic ... ok
[INFO] [stdout] test it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.33s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests build-parallel
[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" "512fcb64683cede1da824c874a96686a5250e100b60a35deedf2b1cb8d37a90a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "512fcb64683cede1da824c874a96686a5250e100b60a35deedf2b1cb8d37a90a", kill_on_drop: false }`
[INFO] [stdout] 512fcb64683cede1da824c874a96686a5250e100b60a35deedf2b1cb8d37a90a