[INFO] cloning repository https://github.com/BruceBrown/async_channel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BruceBrown/async_channel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBruceBrown%2Fasync_channel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBruceBrown%2Fasync_channel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c386e72ddef36d6d8ee55cd057d87d60d3dcd447
[INFO] testing BruceBrown/async_channel against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBruceBrown%2Fasync_channel" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BruceBrown/async_channel on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BruceBrown/async_channel
[INFO] finished tweaking git repo https://github.com/BruceBrown/async_channel
[INFO] tweaked toml for git repo https://github.com/BruceBrown/async_channel written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/BruceBrown/async_channel already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7103d8a2dccc81feb77e2faee7914efe70c4b56d02b8f8be9a18a00f3f8fde2
[INFO] running `Command { std: "docker" "start" "-a" "c7103d8a2dccc81feb77e2faee7914efe70c4b56d02b8f8be9a18a00f3f8fde2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7103d8a2dccc81feb77e2faee7914efe70c4b56d02b8f8be9a18a00f3f8fde2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7103d8a2dccc81feb77e2faee7914efe70c4b56d02b8f8be9a18a00f3f8fde2", kill_on_drop: false }`
[INFO] [stdout] c7103d8a2dccc81feb77e2faee7914efe70c4b56d02b8f8be9a18a00f3f8fde2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f2cac7206be3037b4969116c41ad3db98fc01cf12f340623718ea2ea958fa1f
[INFO] running `Command { std: "docker" "start" "-a" "1f2cac7206be3037b4969116c41ad3db98fc01cf12f340623718ea2ea958fa1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling futures-core v0.3.13
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.4
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling futures-io v0.3.13
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling fastrand v1.4.0
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling once_cell v1.7.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling vec-arena v1.0.0
[INFO] [stderr]    Compiling signal-hook v0.3.6
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling async-lock v2.3.0
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling futures-lite v1.11.3
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling polling v2.0.2
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling nb-connect v1.0.3
[INFO] [stderr]    Compiling async-io v1.3.1
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling async-executor v1.4.0
[INFO] [stderr]    Compiling async-fs v1.5.0
[INFO] [stderr]    Compiling async-process v1.0.2
[INFO] [stderr]    Compiling async-net v1.5.0
[INFO] [stderr]    Compiling smol v1.2.5
[INFO] [stderr]    Compiling async_channel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `spawn_send`
[INFO] [stdout]   --> src/main.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub spawn_send: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.60s
[INFO] running `Command { std: "docker" "inspect" "1f2cac7206be3037b4969116c41ad3db98fc01cf12f340623718ea2ea958fa1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f2cac7206be3037b4969116c41ad3db98fc01cf12f340623718ea2ea958fa1f", kill_on_drop: false }`
[INFO] [stdout] 1f2cac7206be3037b4969116c41ad3db98fc01cf12f340623718ea2ea958fa1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12fd375c3b1dd1ef7fb61e34cac5dbd2f30d69ce1236ed14396be9bfc018a69f
[INFO] running `Command { std: "docker" "start" "-a" "12fd375c3b1dd1ef7fb61e34cac5dbd2f30d69ce1236ed14396be9bfc018a69f", kill_on_drop: false }`
[INFO] [stderr]    Compiling async_channel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `spawn_send`
[INFO] [stdout]   --> src/main.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub spawn_send: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 1.43s
[INFO] running `Command { std: "docker" "inspect" "12fd375c3b1dd1ef7fb61e34cac5dbd2f30d69ce1236ed14396be9bfc018a69f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12fd375c3b1dd1ef7fb61e34cac5dbd2f30d69ce1236ed14396be9bfc018a69f", kill_on_drop: false }`
[INFO] [stdout] 12fd375c3b1dd1ef7fb61e34cac5dbd2f30d69ce1236ed14396be9bfc018a69f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 43f0f9ab19f9823670356059702089ccabff44fd249e0596c4e6c56803daeeee
[INFO] running `Command { std: "docker" "start" "-a" "43f0f9ab19f9823670356059702089ccabff44fd249e0596c4e6c56803daeeee", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: field is never read: `spawn_send`
[INFO] [stdout] running 10 tests
[INFO] [stderr]   --> src/main.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub spawn_send: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/async_channel-1fe55a51ff5ffafc)
[INFO] [stdout] test test_multi_thread_single_executor ... ok
[INFO] [stdout] test test_multi_thread_single_executor_max_queue ... ok
[INFO] [stdout] test test_multi_thread_multi_executor ... ok
[INFO] [stdout] test test_single_thread_big_queue ... ok
[INFO] [stdout] test test_multi_thread_multi_executor_max_queue ... ok
[INFO] [stdout] test test_single_thread_small_queue ... ok
[INFO] [stdout] test test_single_thread_max_queue ... ok
[INFO] [stderr] error: test failed, to rerun pass '--bin async_channel'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/async_channel-1fe55a51ff5ffafc` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "43f0f9ab19f9823670356059702089ccabff44fd249e0596c4e6c56803daeeee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43f0f9ab19f9823670356059702089ccabff44fd249e0596c4e6c56803daeeee", kill_on_drop: false }`
[INFO] [stdout] 43f0f9ab19f9823670356059702089ccabff44fd249e0596c4e6c56803daeeee