[INFO] fetching crate hogwild 0.6.1...
[INFO] testing hogwild-0.6.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate hogwild 0.6.1 into /workspace/builds/worker-92/source
[INFO] validating manifest of crates.io crate hogwild 0.6.1 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 hogwild 0.6.1
[INFO] finished tweaking crates.io crate hogwild 0.6.1
[INFO] tweaked toml for crates.io crate hogwild 0.6.1 written to /workspace/builds/worker-92/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-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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] 6cbf11ec222b2ca591554b60e894d5838d7c5f30b5f22d0ab0ce7d804ee830a9
[INFO] running `Command { std: "docker" "start" "-a" "6cbf11ec222b2ca591554b60e894d5838d7c5f30b5f22d0ab0ce7d804ee830a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6cbf11ec222b2ca591554b60e894d5838d7c5f30b5f22d0ab0ce7d804ee830a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cbf11ec222b2ca591554b60e894d5838d7c5f30b5f22d0ab0ce7d804ee830a9", kill_on_drop: false }`
[INFO] [stdout] 6cbf11ec222b2ca591554b60e894d5838d7c5f30b5f22d0ab0ce7d804ee830a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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] 7ad6a0446aaf8593385554b964f90079f2026aa7c90e42215bbe3c441fbb1b9f
[INFO] running `Command { std: "docker" "start" "-a" "7ad6a0446aaf8593385554b964f90079f2026aa7c90e42215bbe3c441fbb1b9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling hogwild v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.93s
[INFO] running `Command { std: "docker" "inspect" "7ad6a0446aaf8593385554b964f90079f2026aa7c90e42215bbe3c441fbb1b9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ad6a0446aaf8593385554b964f90079f2026aa7c90e42215bbe3c441fbb1b9f", kill_on_drop: false }`
[INFO] [stdout] 7ad6a0446aaf8593385554b964f90079f2026aa7c90e42215bbe3c441fbb1b9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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] 594ded75629262fa4b4fdb0266b1675606d59f2a0e8d67e83afed77be27cb12f
[INFO] running `Command { std: "docker" "start" "-a" "594ded75629262fa4b4fdb0266b1675606d59f2a0e8d67e83afed77be27cb12f", kill_on_drop: false }`
[INFO] [stderr]    Compiling hogwild v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "594ded75629262fa4b4fdb0266b1675606d59f2a0e8d67e83afed77be27cb12f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "594ded75629262fa4b4fdb0266b1675606d59f2a0e8d67e83afed77be27cb12f", kill_on_drop: false }`
[INFO] [stdout] 594ded75629262fa4b4fdb0266b1675606d59f2a0e8d67e83afed77be27cb12f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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] df8da3d3ef9ca76308a0ce7783cd61e5fd29c005bc61597836651b3f3e7fa39b
[INFO] running `Command { std: "docker" "start" "-a" "df8da3d3ef9ca76308a0ce7783cd61e5fd29c005bc61597836651b3f3e7fa39b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.35s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hogwild-00caede6604c550d)
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::hogwild_array_test ... ok
[INFO] [stderr]    Doc-tests hogwild
[INFO] [stdout] test test::hogwild_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 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 src/lib.rs - HogwildArray (line 25) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.05s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "df8da3d3ef9ca76308a0ce7783cd61e5fd29c005bc61597836651b3f3e7fa39b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df8da3d3ef9ca76308a0ce7783cd61e5fd29c005bc61597836651b3f3e7fa39b", kill_on_drop: false }`
[INFO] [stdout] df8da3d3ef9ca76308a0ce7783cd61e5fd29c005bc61597836651b3f3e7fa39b