[INFO] fetching crate pipelines 0.4.0...
[INFO] testing pipelines-0.4.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate pipelines 0.4.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate pipelines 0.4.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pipelines 0.4.0
[INFO] finished tweaking crates.io crate pipelines 0.4.0
[INFO] tweaked toml for crates.io crate pipelines 0.4.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9995bccf9cec35e0f1081ebde9136cbb6a7023f5a4503251f3c9ac472877b6b
[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" "d9995bccf9cec35e0f1081ebde9136cbb6a7023f5a4503251f3c9ac472877b6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9995bccf9cec35e0f1081ebde9136cbb6a7023f5a4503251f3c9ac472877b6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9995bccf9cec35e0f1081ebde9136cbb6a7023f5a4503251f3c9ac472877b6b", kill_on_drop: false }`
[INFO] [stdout] d9995bccf9cec35e0f1081ebde9136cbb6a7023f5a4503251f3c9ac472877b6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b115e2a102cdae37ee146661377040c10d5afd8d293a876c0fe29c0ce419c16f
[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" "b115e2a102cdae37ee146661377040c10d5afd8d293a876c0fe29c0ce419c16f", kill_on_drop: false }`
[INFO] [stderr]    Compiling chan v0.1.23
[INFO] [stderr]    Compiling pipelines v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "b115e2a102cdae37ee146661377040c10d5afd8d293a876c0fe29c0ce419c16f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b115e2a102cdae37ee146661377040c10d5afd8d293a876c0fe29c0ce419c16f", kill_on_drop: false }`
[INFO] [stdout] b115e2a102cdae37ee146661377040c10d5afd8d293a876c0fe29c0ce419c16f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", 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] c63373e59836b17b8e8b1e76130e6fbf72d53a1ff38a9e22d5f9862a1c7b48c7
[INFO] running `Command { std: "docker" "start" "-a" "c63373e59836b17b8e8b1e76130e6fbf72d53a1ff38a9e22d5f9862a1c7b48c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling same-file v0.1.3
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling walkdir v1.0.7
[INFO] [stderr]    Compiling pipelines v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.55s
[INFO] running `Command { std: "docker" "inspect" "c63373e59836b17b8e8b1e76130e6fbf72d53a1ff38a9e22d5f9862a1c7b48c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c63373e59836b17b8e8b1e76130e6fbf72d53a1ff38a9e22d5f9862a1c7b48c7", kill_on_drop: false }`
[INFO] [stdout] c63373e59836b17b8e8b1e76130e6fbf72d53a1ff38a9e22d5f9862a1c7b48c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "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] d41a7248ed230bffe74c5a36d0d54b60ab3557314a1044868660090da1df5a87
[INFO] running `Command { std: "docker" "start" "-a" "d41a7248ed230bffe74c5a36d0d54b60ab3557314a1044868660090da1df5a87", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pipelines-98cf5b64129b38c3)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests::multiple_map ... ok
[INFO] [stdout] test tests::filter ... ok
[INFO] [stdout] test tests::pmap ... ok
[INFO] [stdout] test tests::simple ... ok
[INFO] [stdout] test tests::simple_closure ... ok
[INFO] [stdout] test tests::config ... ok
[INFO] [stdout] test tests::map ... ok
[INFO] [stdout] test tests::preduce ... ok
[INFO] [stdout] test tests::mapreduce ... ok
[INFO] [stdout] test tests::multiplex_map_closure ... ok
[INFO] [stdout] test tests::multiplex_map_function ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pipelines
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name pipelines --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps -L native=/opt/rustwide/target/debug/build/miniz-sys-5358a4233cac83fd/out --extern chan=/opt/rustwide/target/debug/deps/libchan-201abc971bd320bf.rlib --extern clap=/opt/rustwide/target/debug/deps/libclap-09447a1a63f643f8.rlib --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-f477400b75420428.rlib --extern flate2=/opt/rustwide/target/debug/deps/libflate2-2ef16a97243a9117.rlib --extern humansize=/opt/rustwide/target/debug/deps/libhumansize-95f5cc387ba6901e.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-ea39abc2b2a1832d.rlib --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-69b489850d458ebd.rlib --extern pipelines=/opt/rustwide/target/debug/deps/libpipelines-8d53abb7438dca75.rlib --extern walkdir=/opt/rustwide/target/debug/deps/libwalkdir-80813602caf76a2d.rlib -C embed-bitcode=no --cfg 'feature="chan"' --cfg 'feature="default"' --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "d41a7248ed230bffe74c5a36d0d54b60ab3557314a1044868660090da1df5a87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d41a7248ed230bffe74c5a36d0d54b60ab3557314a1044868660090da1df5a87", kill_on_drop: false }`
[INFO] [stdout] d41a7248ed230bffe74c5a36d0d54b60ab3557314a1044868660090da1df5a87