[INFO] fetching crate pipe-channel 1.3.0...
[INFO] testing pipe-channel-1.3.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate pipe-channel 1.3.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate pipe-channel 1.3.0 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 pipe-channel 1.3.0
[INFO] finished tweaking crates.io crate pipe-channel 1.3.0
[INFO] tweaked toml for crates.io crate pipe-channel 1.3.0 written to /workspace/builds/worker-8/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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] a126b8acbe035da4ace9b9412519937df6719d7d1d7adf1c0b510047ec5be738
[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" "a126b8acbe035da4ace9b9412519937df6719d7d1d7adf1c0b510047ec5be738", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a126b8acbe035da4ace9b9412519937df6719d7d1d7adf1c0b510047ec5be738", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a126b8acbe035da4ace9b9412519937df6719d7d1d7adf1c0b510047ec5be738", kill_on_drop: false }`
[INFO] [stdout] a126b8acbe035da4ace9b9412519937df6719d7d1d7adf1c0b510047ec5be738
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 334af654ff2e05170b5edd98c30475c7affcc835a742e28f54c4e3b1a080b7d7
[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" "334af654ff2e05170b5edd98c30475c7affcc835a742e28f54c4e3b1a080b7d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling pipe-channel v1.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "334af654ff2e05170b5edd98c30475c7affcc835a742e28f54c4e3b1a080b7d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "334af654ff2e05170b5edd98c30475c7affcc835a742e28f54c4e3b1a080b7d7", kill_on_drop: false }`
[INFO] [stdout] 334af654ff2e05170b5edd98c30475c7affcc835a742e28f54c4e3b1a080b7d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 5c05a39e9816c23345519db8479216e4a07bb71238f1bd9d50f981040199d896
[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" "5c05a39e9816c23345519db8479216e4a07bb71238f1bd9d50f981040199d896", kill_on_drop: false }`
[INFO] [stderr]    Compiling pipe-channel v1.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:522:38
[INFO] [stdout]     |
[INFO] [stdout] 522 |         unsafe impl Send for Large {};
[INFO] [stdout]     |                                      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.36s
[INFO] running `Command { std: "docker" "inspect" "5c05a39e9816c23345519db8479216e4a07bb71238f1bd9d50f981040199d896", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c05a39e9816c23345519db8479216e4a07bb71238f1bd9d50f981040199d896", kill_on_drop: false }`
[INFO] [stdout] 5c05a39e9816c23345519db8479216e4a07bb71238f1bd9d50f981040199d896
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] a081894f8e1c6163f20e1d379c1cd68db245cbaf921fee99cc4ca16d8171ea85
[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" "a081894f8e1c6163f20e1d379c1cd68db245cbaf921fee99cc4ca16d8171ea85", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stdout] running 8 tests
[INFO] [stderr]    --> src/lib.rs:522:38
[INFO] [stdout] test tests::no_drop_on_recv_err ... ok
[INFO] [stderr]     |
[INFO] [stdout] test tests::no_send_no_threading ... ok
[INFO] [stderr] 522 |         unsafe impl Send for Large {};
[INFO] [stdout] test tests::debug_print ... ok
[INFO] [stderr]     |                                      ^ help: remove this semicolon
[INFO] [stdout] test tests::raw_fd ... ok
[INFO] [stderr]     |
[INFO] [stdout] test tests::zero_sized_type ... ok
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] test tests::zero_sized_type_drop ... ok
[INFO] [stderr] 
[INFO] [stdout] test tests::no_leak ... ok
[INFO] [stderr] warning: `pipe-channel` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pipe_channel-b4e5358cd4a43151)
[INFO] [stdout] test tests::large_data ... ok
[INFO] [stderr]    Doc-tests pipe-channel
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/lib.rs - Sender<T>::send (line 201) ... ok
[INFO] [stdout] test src/lib.rs - channel (line 143) ... ok
[INFO] [stdout] test src/lib.rs - (line 37) ... ok
[INFO] [stdout] test src/lib.rs - Receiver<T>::recv (line 268) ... ok
[INFO] [stdout] test src/lib.rs - (line 17) ... ok
[INFO] [stdout] test src/lib.rs - Sender<T>::send (line 185) ... ok
[INFO] [stdout] test src/lib.rs - Receiver<T>::iter (line 304) ... ok
[INFO] [stdout] test src/lib.rs - IntoIter (line 385) ... ok
[INFO] [stdout] test src/lib.rs - Receiver<T>::recv (line 252) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.42s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a081894f8e1c6163f20e1d379c1cd68db245cbaf921fee99cc4ca16d8171ea85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a081894f8e1c6163f20e1d379c1cd68db245cbaf921fee99cc4ca16d8171ea85", kill_on_drop: false }`
[INFO] [stdout] a081894f8e1c6163f20e1d379c1cd68db245cbaf921fee99cc4ca16d8171ea85