[INFO] fetching crate rack-example-parallel 0.0.0...
[INFO] testing rack-example-parallel-0.0.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate rack-example-parallel 0.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rack-example-parallel 0.0.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rack-example-parallel 0.0.0
[INFO] finished tweaking crates.io crate rack-example-parallel 0.0.0
[INFO] tweaked toml for crates.io crate rack-example-parallel 0.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3e8eb66f30c89256fd61bbcfbc2140ffe64d3ca2b9674a45756a3d4c4218a49
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c3e8eb66f30c89256fd61bbcfbc2140ffe64d3ca2b9674a45756a3d4c4218a49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3e8eb66f30c89256fd61bbcfbc2140ffe64d3ca2b9674a45756a3d4c4218a49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3e8eb66f30c89256fd61bbcfbc2140ffe64d3ca2b9674a45756a3d4c4218a49", kill_on_drop: false }`
[INFO] [stdout] c3e8eb66f30c89256fd61bbcfbc2140ffe64d3ca2b9674a45756a3d4c4218a49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe8df64186b2b28cec334868b6e7d860db89df2176697bdcf4eb1d0346b3c44c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fe8df64186b2b28cec334868b6e7d860db89df2176697bdcf4eb1d0346b3c44c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rack-example-parallel v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "fe8df64186b2b28cec334868b6e7d860db89df2176697bdcf4eb1d0346b3c44c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe8df64186b2b28cec334868b6e7d860db89df2176697bdcf4eb1d0346b3c44c", kill_on_drop: false }`
[INFO] [stdout] fe8df64186b2b28cec334868b6e7d860db89df2176697bdcf4eb1d0346b3c44c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 489af2b6a540ff8e06791d95b717a7a8a98c29f28463edb7ee9a666c23ecc346
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "489af2b6a540ff8e06791d95b717a7a8a98c29f28463edb7ee9a666c23ecc346", kill_on_drop: false }`
[INFO] [stderr]    Compiling rack-example-parallel v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "489af2b6a540ff8e06791d95b717a7a8a98c29f28463edb7ee9a666c23ecc346", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "489af2b6a540ff8e06791d95b717a7a8a98c29f28463edb7ee9a666c23ecc346", kill_on_drop: false }`
[INFO] [stdout] 489af2b6a540ff8e06791d95b717a7a8a98c29f28463edb7ee9a666c23ecc346
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 024abaa95fe209f0bf2b72c26a7d68e4ad5505ea7e58f3094d87aaedd48b50f4
[INFO] running `Command { std: "docker" "start" "-a" "024abaa95fe209f0bf2b72c26a7d68e4ad5505ea7e58f3094d87aaedd48b50f4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rack_example_parallel-46680dc2fd8fa4eb)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rack-example-parallel
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::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] [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" "024abaa95fe209f0bf2b72c26a7d68e4ad5505ea7e58f3094d87aaedd48b50f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "024abaa95fe209f0bf2b72c26a7d68e4ad5505ea7e58f3094d87aaedd48b50f4", kill_on_drop: false }`
[INFO] [stdout] 024abaa95fe209f0bf2b72c26a7d68e4ad5505ea7e58f3094d87aaedd48b50f4