[INFO] fetching crate slave-pool 0.4.0...
[INFO] testing slave-pool-0.4.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate slave-pool 0.4.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate slave-pool 0.4.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate slave-pool 0.4.0
[INFO] tweaked toml for crates.io crate slave-pool 0.4.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate slave-pool 0.4.0 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 crates.io crate slave-pool 0.4.0 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] b21e07006ff871155ec6629722a51771bcb43b5e6ab12828a04baf26548e5193
[INFO] running `Command { std: "docker" "start" "-a" "b21e07006ff871155ec6629722a51771bcb43b5e6ab12828a04baf26548e5193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b21e07006ff871155ec6629722a51771bcb43b5e6ab12828a04baf26548e5193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b21e07006ff871155ec6629722a51771bcb43b5e6ab12828a04baf26548e5193", kill_on_drop: false }`
[INFO] [stdout] b21e07006ff871155ec6629722a51771bcb43b5e6ab12828a04baf26548e5193
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 823d367fcf91cdce92efe847de28dd360fac5ea23409af73b8661fe8cdfd12a8
[INFO] running `Command { std: "docker" "start" "-a" "823d367fcf91cdce92efe847de28dd360fac5ea23409af73b8661fe8cdfd12a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling slave-pool v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "823d367fcf91cdce92efe847de28dd360fac5ea23409af73b8661fe8cdfd12a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "823d367fcf91cdce92efe847de28dd360fac5ea23409af73b8661fe8cdfd12a8", kill_on_drop: false }`
[INFO] [stdout] 823d367fcf91cdce92efe847de28dd360fac5ea23409af73b8661fe8cdfd12a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 0f9cd6d2d81a54ac3ebeab5f0bce31c9187131ac6457c2217cc93cfedea9436c
[INFO] running `Command { std: "docker" "start" "-a" "0f9cd6d2d81a54ac3ebeab5f0bce31c9187131ac6457c2217cc93cfedea9436c", kill_on_drop: false }`
[INFO] [stderr]    Compiling thread-waker v1.2.0
[INFO] [stderr]    Compiling slave-pool v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `Command { std: "docker" "inspect" "0f9cd6d2d81a54ac3ebeab5f0bce31c9187131ac6457c2217cc93cfedea9436c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f9cd6d2d81a54ac3ebeab5f0bce31c9187131ac6457c2217cc93cfedea9436c", kill_on_drop: false }`
[INFO] [stdout] 0f9cd6d2d81a54ac3ebeab5f0bce31c9187131ac6457c2217cc93cfedea9436c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] f9d702f46a16d562aa6816ecc340fb0a998e9da03c12079af594501fbd97fee5
[INFO] running `Command { std: "docker" "start" "-a" "f9d702f46a16d562aa6816ecc340fb0a998e9da03c12079af594501fbd97fee5", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/slave_pool-206edcd4d6e3a292)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/it_works.rs (/opt/rustwide/target/debug/deps/it_works-61aa8637e3164f90)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test should_process_sender_drop_after_all_handles_dead ... ok
[INFO] [stdout] test should_shutdown_and_restart ... ok
[INFO] [stdout] test it_works ... ok
[INFO] [stdout] test should_process_receiver_drop_after_all_senders_shutdown ... ok
[INFO] [stdout] test should_spawn_over_capacity ... ok
[INFO] [stdout] test should_spawn_and_over_capacity ... ok
[INFO] [stdout] test should_handle_drop ... ok
[INFO] [stdout] test should_spawn_and_complete_once_available ... ok
[INFO] [stderr]      Running tests/oneshot.rs (/opt/rustwide/target/debug/deps/oneshot-5eddc890e0a0edf3)
[INFO] [stdout] test should_handle_drop_many ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.55s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test should_correctly_drop_receiver_after_poll ... ok
[INFO] [stdout] test should_correctly_drop_receiver_after_try ... ok
[INFO] [stdout] test should_correctly_drop_sender_after_receiver_poll ... ok
[INFO] [stdout] test should_correctly_error_on_send_dropped_after_poll ... ok
[INFO] [stdout] test should_correctly_error_on_send_dropped_after_try ... ok
[INFO] [stdout] test should_correctly_receive_after_try ... ok
[INFO] [stdout] test should_correctly_receive_after_poll ... ok
[INFO] [stdout] test should_correctly_receive_after_timeout ... ok
[INFO] [stdout] test should_correctly_drop_receiver_after_timeout ... ok
[INFO] [stdout] test should_correctly_error_on_send_dropped_after_timeout ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/panic.rs (/opt/rustwide/target/debug/deps/panic-b0c83d5b734b9db7)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test should_verify_worker_restart_after_panic ... ok
[INFO] [stdout] test should_process_receiver_drop_after_all_senders_dead ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.10s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests slave_pool
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 5) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f9d702f46a16d562aa6816ecc340fb0a998e9da03c12079af594501fbd97fee5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9d702f46a16d562aa6816ecc340fb0a998e9da03c12079af594501fbd97fee5", kill_on_drop: false }`
[INFO] [stdout] f9d702f46a16d562aa6816ecc340fb0a998e9da03c12079af594501fbd97fee5