[INFO] fetching crate pipe-channel 1.3.0...
[INFO] testing pipe-channel-1.3.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate pipe-channel 1.3.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate pipe-channel 1.3.0 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 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-3/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] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nix v0.17.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 87c9c3bf275166456645e24fe0238b75a7275a35d5abb222338f204ff930c0dd
[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" "87c9c3bf275166456645e24fe0238b75a7275a35d5abb222338f204ff930c0dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87c9c3bf275166456645e24fe0238b75a7275a35d5abb222338f204ff930c0dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87c9c3bf275166456645e24fe0238b75a7275a35d5abb222338f204ff930c0dd", kill_on_drop: false }`
[INFO] [stdout] 87c9c3bf275166456645e24fe0238b75a7275a35d5abb222338f204ff930c0dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 1473a22c3e4e98a0eacf92628a04df6df080405dc9cda296c26153dbc6e5687f
[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" "1473a22c3e4e98a0eacf92628a04df6df080405dc9cda296c26153dbc6e5687f", kill_on_drop: false }`
[INFO] [stderr]    Compiling pipe-channel v1.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.05s
[INFO] running `Command { std: "docker" "inspect" "1473a22c3e4e98a0eacf92628a04df6df080405dc9cda296c26153dbc6e5687f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1473a22c3e4e98a0eacf92628a04df6df080405dc9cda296c26153dbc6e5687f", kill_on_drop: false }`
[INFO] [stdout] 1473a22c3e4e98a0eacf92628a04df6df080405dc9cda296c26153dbc6e5687f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 40a95401315fc0ad2da4eb651cca7a727297c0e565d6e59f03b12604460a224b
[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" "40a95401315fc0ad2da4eb651cca7a727297c0e565d6e59f03b12604460a224b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 2.21s
[INFO] running `Command { std: "docker" "inspect" "40a95401315fc0ad2da4eb651cca7a727297c0e565d6e59f03b12604460a224b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40a95401315fc0ad2da4eb651cca7a727297c0e565d6e59f03b12604460a224b", kill_on_drop: false }`
[INFO] [stdout] 40a95401315fc0ad2da4eb651cca7a727297c0e565d6e59f03b12604460a224b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 58a5acecfb03632ed67844ae9eb005a1c50170ac08b9c6a8aec81c25043f1d6e
[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" "58a5acecfb03632ed67844ae9eb005a1c50170ac08b9c6a8aec81c25043f1d6e", 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::zero_sized_type_drop ... ok
[INFO] [stderr]     |
[INFO] [stdout] test tests::zero_sized_type ... ok
[INFO] [stderr] 522 |         unsafe impl Send for Large {};
[INFO] [stdout] test tests::raw_fd ... ok
[INFO] [stderr]     |                                      ^ help: remove this semicolon
[INFO] [stdout] test tests::no_send_no_threading ... ok
[INFO] [stderr]     |
[INFO] [stdout] test tests::no_drop_on_recv_err ... ok
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] test tests::no_leak ... ok
[INFO] [stderr] 
[INFO] [stdout] test tests::debug_print ... ok
[INFO] [stderr] warning: `pipe-channel` (lib test) generated 1 warning
[INFO] [stdout] test tests::large_data ... ok
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pipe_channel-7e292d5c6efcc4b8)
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    Doc-tests pipe-channel
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/lib.rs - IntoIter (line 385) ... 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 201) ... ok
[INFO] [stdout] test src/lib.rs - Receiver<T>::iter (line 304) ... ok
[INFO] [stdout] test src/lib.rs - Receiver<T>::recv (line 252) ... ok
[INFO] [stdout] test src/lib.rs - channel (line 143) ... ok
[INFO] [stdout] test src/lib.rs - Sender<T>::send (line 185) ... ok
[INFO] [stdout] test src/lib.rs - (line 37) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.25s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "58a5acecfb03632ed67844ae9eb005a1c50170ac08b9c6a8aec81c25043f1d6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58a5acecfb03632ed67844ae9eb005a1c50170ac08b9c6a8aec81c25043f1d6e", kill_on_drop: false }`
[INFO] [stdout] 58a5acecfb03632ed67844ae9eb005a1c50170ac08b9c6a8aec81c25043f1d6e