[INFO] fetching crate worker-pool 0.2.1...
[INFO] testing worker-pool-0.2.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate worker-pool 0.2.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate worker-pool 0.2.1
[INFO] finished tweaking crates.io crate worker-pool 0.2.1
[INFO] tweaked toml for crates.io crate worker-pool 0.2.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate worker-pool 0.2.1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d7ade67eb714c2a168d99d1370aed1b37aa56e2efc5afd813b499539b59de04
[INFO] running `Command { std: "docker" "start" "-a" "6d7ade67eb714c2a168d99d1370aed1b37aa56e2efc5afd813b499539b59de04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d7ade67eb714c2a168d99d1370aed1b37aa56e2efc5afd813b499539b59de04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d7ade67eb714c2a168d99d1370aed1b37aa56e2efc5afd813b499539b59de04", kill_on_drop: false }`
[INFO] [stdout] 6d7ade67eb714c2a168d99d1370aed1b37aa56e2efc5afd813b499539b59de04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 634d7cef5399759a06a7f79761dc4eaf56eae81ea8b7f0c2fc8a0bb52684d79a
[INFO] running `Command { std: "docker" "start" "-a" "634d7cef5399759a06a7f79761dc4eaf56eae81ea8b7f0c2fc8a0bb52684d79a", kill_on_drop: false }`
[INFO] [stderr]    Compiling worker-pool v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "634d7cef5399759a06a7f79761dc4eaf56eae81ea8b7f0c2fc8a0bb52684d79a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "634d7cef5399759a06a7f79761dc4eaf56eae81ea8b7f0c2fc8a0bb52684d79a", kill_on_drop: false }`
[INFO] [stdout] 634d7cef5399759a06a7f79761dc4eaf56eae81ea8b7f0c2fc8a0bb52684d79a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22a4a174bf2c59b2e2ef602e81309eb8a5776e06ed377399ac3c5adbc8e569b8
[INFO] running `Command { std: "docker" "start" "-a" "22a4a174bf2c59b2e2ef602e81309eb8a5776e06ed377399ac3c5adbc8e569b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling worker-pool v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "22a4a174bf2c59b2e2ef602e81309eb8a5776e06ed377399ac3c5adbc8e569b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22a4a174bf2c59b2e2ef602e81309eb8a5776e06ed377399ac3c5adbc8e569b8", kill_on_drop: false }`
[INFO] [stdout] 22a4a174bf2c59b2e2ef602e81309eb8a5776e06ed377399ac3c5adbc8e569b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f8a1eaf3109ca6d910bba3b6b91b6f52e51c102e76dac5cc19cec0855727a86a
[INFO] running `Command { std: "docker" "start" "-a" "f8a1eaf3109ca6d910bba3b6b91b6f52e51c102e76dac5cc19cec0855727a86a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/worker_pool-c3c12e8a2df22e79)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test test::test_execute_many ... ok
[INFO] [stdout] test test::test_join_panic - should panic ... ok
[INFO] [stdout] test test::test_stop_panic - should panic ... ok
[INFO] [stdout] test test::test_broadcast ... ok
[INFO] [stdout] test test::test_execute ... ok
[INFO] [stdout] test test::test_receive_burst ... ok
[INFO] [stdout] test test::test_receive_all ... ok
[INFO] [stdout] test test::test_receive_all_bottleneck ... ok
[INFO] [stdout] test test::readme_deadlock ... ok
[INFO] [stdout] test test::test_burst ... ok
[INFO] [stderr]    Doc-tests worker_pool
[INFO] [stdout] test test::test_receive_all_bottleneck2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.22s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/crate_macros.rs - crate_macros::try_recv_break (line 53) ... ok
[INFO] [stdout] test src/crate_macros.rs - crate_macros::recv_break (line 11) ... ok
[INFO] [stdout] test src/lib.rs - WorkerPool<Up,Down>::execute_many (line 183) ... ok
[INFO] [stdout] test src/lib.rs - WorkerPool<Up,Down>::execute (line 146) ... ok
[INFO] [stdout] test src/lib.rs - WorkerPool (line 57) ... ok
[INFO] [stdout] test src/lib.rs - WorkerPool<Up,Down>::new (line 99) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.28s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f8a1eaf3109ca6d910bba3b6b91b6f52e51c102e76dac5cc19cec0855727a86a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8a1eaf3109ca6d910bba3b6b91b6f52e51c102e76dac5cc19cec0855727a86a", kill_on_drop: false }`
[INFO] [stdout] f8a1eaf3109ca6d910bba3b6b91b6f52e51c102e76dac5cc19cec0855727a86a