[INFO] fetching crate parallel_worker 1.0.1...
[INFO] testing parallel_worker-1.0.1 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate parallel_worker 1.0.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate parallel_worker 1.0.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate parallel_worker 1.0.1
[INFO] tweaked toml for crates.io crate parallel_worker 1.0.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate parallel_worker 1.0.1 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate parallel_worker 1.0.1 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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dfc9be0f4276f114985b564e67f82b703f40189c4a0d0a8977e9929ded15c875
[INFO] running `Command { std: "docker" "start" "-a" "dfc9be0f4276f114985b564e67f82b703f40189c4a0d0a8977e9929ded15c875", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfc9be0f4276f114985b564e67f82b703f40189c4a0d0a8977e9929ded15c875", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfc9be0f4276f114985b564e67f82b703f40189c4a0d0a8977e9929ded15c875", kill_on_drop: false }`
[INFO] [stdout] dfc9be0f4276f114985b564e67f82b703f40189c4a0d0a8977e9929ded15c875
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3dcd02de15503e9903e756eaa372d2e2631c2e1b88b5269f86354dfc509ac7d6
[INFO] running `Command { std: "docker" "start" "-a" "3dcd02de15503e9903e756eaa372d2e2631c2e1b88b5269f86354dfc509ac7d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling parallel_worker v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "3dcd02de15503e9903e756eaa372d2e2631c2e1b88b5269f86354dfc509ac7d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dcd02de15503e9903e756eaa372d2e2631c2e1b88b5269f86354dfc509ac7d6", kill_on_drop: false }`
[INFO] [stdout] 3dcd02de15503e9903e756eaa372d2e2631c2e1b88b5269f86354dfc509ac7d6
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99c17c5e591fcdf11d978288520e5fcb969fb959b2974149da61b2f2fb00777c
[INFO] running `Command { std: "docker" "start" "-a" "99c17c5e591fcdf11d978288520e5fcb969fb959b2974149da61b2f2fb00777c", kill_on_drop: false }`
[INFO] [stderr]    Compiling parallel_worker v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "99c17c5e591fcdf11d978288520e5fcb969fb959b2974149da61b2f2fb00777c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99c17c5e591fcdf11d978288520e5fcb969fb959b2974149da61b2f2fb00777c", kill_on_drop: false }`
[INFO] [stdout] 99c17c5e591fcdf11d978288520e5fcb969fb959b2974149da61b2f2fb00777c
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 90bd09094162d3bf11724b0bed7857c36a2cb7d4e8abacd7086cb9d193d83398
[INFO] running `Command { std: "docker" "start" "-a" "90bd09094162d3bf11724b0bed7857c36a2cb7d4e8abacd7086cb9d193d83398", 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/parallel_worker-543c18f73a23ee09)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test internal::worker_state::tests::test_state ... ok
[INFO] [stdout] test internal::task_queue::tests::test_task_queue ... ok
[INFO] [stderr]      Running tests/integration.rs (/opt/rustwide/target/debug/deps/integration-466f1dffb1aa0936)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.50s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test test_receive_results_in_buffer_blocking ... ok
[INFO] [stdout] test basic_worker ... ok
[INFO] [stdout] test test_optional_return ... ok
[INFO] [stdout] test test_receive_results_in_buffer ... ok
[INFO] [stdout] test test_worker_base ... ok
[INFO] [stdout] test test_get_iter ... ok
[INFO] [stdout] test test_get_if_ready ... ok
[INFO] [stdout] test test_wait_for_result ... ok
[INFO] [stdout] test test_wait_for_all_results ... ok
[INFO] [stdout] test test_receive_all_results ... ok
[INFO] [stdout] test test_cancel ... ok
[INFO] [stdout] test test_many_tasks ... ok
[INFO] [stdout] test test_cancel_count ... ok
[INFO] [stdout] test test_reset ... ok
[INFO] [stdout] test test_ordered_worker_cancel ... ok
[INFO] [stdout] test test_long_running_worker ... ok
[INFO] [stdout] test test_ordered_worker ... ok
[INFO] [stdout] test test_cancel_high_load ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.35s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests parallel_worker
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/internal/worker_state.rs - internal::worker_state::check_if_cancelled (line 12) ... ignored
[INFO] [stdout] test src/internal/worker_state.rs - internal::worker_state::check_if_cancelled (line 23) ... ignored
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] test src/lib.rs - (line 66) ... ok
[INFO] [stdout] test src/lib.rs - (line 86) ... ok
[INFO] [stdout] test src/lib.rs - (line 42) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "90bd09094162d3bf11724b0bed7857c36a2cb7d4e8abacd7086cb9d193d83398", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90bd09094162d3bf11724b0bed7857c36a2cb7d4e8abacd7086cb9d193d83398", kill_on_drop: false }`
[INFO] [stdout] 90bd09094162d3bf11724b0bed7857c36a2cb7d4e8abacd7086cb9d193d83398