[INFO] cloning repository https://github.com/kjuulh/noworkers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kjuulh/noworkers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkjuulh%2Fnoworkers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkjuulh%2Fnoworkers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 109d3cc2c0011e2269e9c17e2d7306252a26d70c
[INFO] testing kjuulh/noworkers against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkjuulh%2Fnoworkers" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kjuulh/noworkers
[INFO] finished tweaking git repo https://github.com/kjuulh/noworkers
[INFO] tweaked toml for git repo https://github.com/kjuulh/noworkers written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kjuulh/noworkers on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kjuulh/noworkers already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2561b021c81ab08d55a6223866e972758506577a89d900e80e57dc09677a95ac
[INFO] running `Command { std: "docker" "start" "-a" "2561b021c81ab08d55a6223866e972758506577a89d900e80e57dc09677a95ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2561b021c81ab08d55a6223866e972758506577a89d900e80e57dc09677a95ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2561b021c81ab08d55a6223866e972758506577a89d900e80e57dc09677a95ac", kill_on_drop: false }`
[INFO] [stdout] 2561b021c81ab08d55a6223866e972758506577a89d900e80e57dc09677a95ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df145fc5b6404bb96a1eb859e2b4fa2e168c43807c4b8e67e3e96d8fe845ffe0
[INFO] running `Command { std: "docker" "start" "-a" "df145fc5b6404bb96a1eb859e2b4fa2e168c43807c4b8e67e3e96d8fe845ffe0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.60
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling log v0.4.19
[INFO] [stderr]    Compiling mio v1.2.0
[INFO] [stderr]    Compiling socket2 v0.6.3
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling tokio v1.51.1
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling tokio-util v0.7.18
[INFO] [stderr]    Compiling noworkers v0.1.1 (/opt/rustwide/workdir/crates/noworkers)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.73s
[INFO] running `Command { std: "docker" "inspect" "df145fc5b6404bb96a1eb859e2b4fa2e168c43807c4b8e67e3e96d8fe845ffe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df145fc5b6404bb96a1eb859e2b4fa2e168c43807c4b8e67e3e96d8fe845ffe0", kill_on_drop: false }`
[INFO] [stdout] df145fc5b6404bb96a1eb859e2b4fa2e168c43807c4b8e67e3e96d8fe845ffe0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ea77c867da2fe9264da4ac813b48d761de87ac6d1af2afbf05d3547ff72d6f1
[INFO] running `Command { std: "docker" "start" "-a" "7ea77c867da2fe9264da4ac813b48d761de87ac6d1af2afbf05d3547ff72d6f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling noworkers v0.1.1 (/opt/rustwide/workdir/crates/noworkers)
[INFO] [stdout] warning: function `now` is never used
[INFO] [stdout]   --> crates/noworkers/examples/wait_lock.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn now() -> u128 {
[INFO] [stdout]    |    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.32s
[INFO] running `Command { std: "docker" "inspect" "7ea77c867da2fe9264da4ac813b48d761de87ac6d1af2afbf05d3547ff72d6f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ea77c867da2fe9264da4ac813b48d761de87ac6d1af2afbf05d3547ff72d6f1", kill_on_drop: false }`
[INFO] [stdout] 7ea77c867da2fe9264da4ac813b48d761de87ac6d1af2afbf05d3547ff72d6f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e18fc901661e0f0f3358e53eb112c8b5e356460b23e608190a686cea1857c0a7
[INFO] running `Command { std: "docker" "start" "-a" "e18fc901661e0f0f3358e53eb112c8b5e356460b23e608190a686cea1857c0a7", kill_on_drop: false }`
[INFO] [stderr] warning: function `now` is never used
[INFO] [stderr]   --> crates/noworkers/examples/wait_lock.rs:57:4
[INFO] [stderr]    |
[INFO] [stderr] 57 | fn now() -> u128 {
[INFO] [stderr]    |    ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `noworkers` (example "wait_lock") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/noworkers-2cc2318acdebff4d)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test test::test_are_concurrent ... ok
[INFO] [stdout] test test::test_blocking ... ok
[INFO] [stdout] test test::test_wait_called_twice ... ok
[INFO] [stdout] test test::test_wait_is_optional_err ... ok
[INFO] [stdout] test test::test_wait_is_optional ... ok
[INFO] [stdout] test test::test_multiple_errors ... ok
[INFO] [stdout] test test::test_cancellation_task ... ok
[INFO] [stdout] test test::test_cancellation ... ok
[INFO] [stdout] test test::test_limits_work ... ok
[INFO] [stdout] test test::test_can_start_worker_group ... ok
[INFO] [stdout] test test::test_group_waits_are_cancelled_on_error ... ok
[INFO] [stdout] test test::test_worker_can_return_error ... ok
[INFO] [stdout] test test::test_group_waits ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.07s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests noworkers
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test crates/noworkers/src/lib.rs - (line 103) ... ok
[INFO] [stdout] test crates/noworkers/src/lib.rs - extensions::WithSysLimitCpus::with_limit_to_system_cpus (line 218) ... ok
[INFO] [stdout] test crates/noworkers/src/lib.rs - Workers::wait (line 670) ... ok
[INFO] [stdout] test crates/noworkers/src/lib.rs - Workers::new (line 372) ... ok
[INFO] [stdout] test crates/noworkers/src/lib.rs - (line 139) ... ok
[INFO] [stdout] test crates/noworkers/src/lib.rs - Workers::with_cancel_task (line 451) ... ok
[INFO] [stdout] test crates/noworkers/src/lib.rs - Workers::add (line 581) ... ok
[INFO] [stdout] test crates/noworkers/src/lib.rs - Workers::wait (line 649) ... ok
[INFO] [stdout] test crates/noworkers/src/lib.rs - Workers::with_limit (line 508) ... ok
[INFO] [stdout] test crates/noworkers/src/lib.rs - Workers (line 290) ... ok
[INFO] [stdout] test crates/noworkers/src/lib.rs - Workers::with_cancel (line 402) ... ok
[INFO] [stdout] test crates/noworkers/src/lib.rs - Workers (line 271) ... ok
[INFO] [stdout] test crates/noworkers/src/lib.rs - (line 169) ... ok
[INFO] [stdout] test crates/noworkers/src/lib.rs - (line 63) ... ok
[INFO] [stdout] test crates/noworkers/src/lib.rs - Workers::add (line 566) ... ok
[INFO] [stdout] test crates/noworkers/src/lib.rs - (line 20) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.26s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 1.49s; merged doctests compilation took 1.22s
[INFO] running `Command { std: "docker" "inspect" "e18fc901661e0f0f3358e53eb112c8b5e356460b23e608190a686cea1857c0a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e18fc901661e0f0f3358e53eb112c8b5e356460b23e608190a686cea1857c0a7", kill_on_drop: false }`
[INFO] [stdout] e18fc901661e0f0f3358e53eb112c8b5e356460b23e608190a686cea1857c0a7