[INFO] fetching crate nblock 0.3.0...
[INFO] testing nblock-0.3.0 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate nblock 0.3.0 into /workspace/builds/worker-6-tc2/source
[INFO] removed /workspace/builds/worker-6-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate nblock 0.3.0
[INFO] finished tweaking crates.io crate nblock 0.3.0
[INFO] tweaked toml for crates.io crate nblock 0.3.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nblock 0.3.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 12 packages to latest compatible versions
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] ce8f4b15ff3796e6355eac44e5258963b9518c05702ff6f884c440476193526b
[INFO] running `Command { std: "docker" "start" "-a" "ce8f4b15ff3796e6355eac44e5258963b9518c05702ff6f884c440476193526b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce8f4b15ff3796e6355eac44e5258963b9518c05702ff6f884c440476193526b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce8f4b15ff3796e6355eac44e5258963b9518c05702ff6f884c440476193526b", kill_on_drop: false }`
[INFO] [stdout] ce8f4b15ff3796e6355eac44e5258963b9518c05702ff6f884c440476193526b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 9a8c29783d8685c5c486c6d3eb9ce585a2092723af4aaf4b4c462c6d7feeaac7
[INFO] running `Command { std: "docker" "start" "-a" "9a8c29783d8685c5c486c6d3eb9ce585a2092723af4aaf4b4c462c6d7feeaac7", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling spinning_top v0.3.0
[INFO] [stderr]    Compiling nblock v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "9a8c29783d8685c5c486c6d3eb9ce585a2092723af4aaf4b4c462c6d7feeaac7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a8c29783d8685c5c486c6d3eb9ce585a2092723af4aaf4b4c462c6d7feeaac7", kill_on_drop: false }`
[INFO] [stdout] 9a8c29783d8685c5c486c6d3eb9ce585a2092723af4aaf4b4c462c6d7feeaac7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 1d80705070e3a1eb18bcf4b8b2cc099f46a77d4849dde14e6b6daabb9a36e97f
[INFO] running `Command { std: "docker" "start" "-a" "1d80705070e3a1eb18bcf4b8b2cc099f46a77d4849dde14e6b6daabb9a36e97f", kill_on_drop: false }`
[INFO] [stderr]    Compiling nblock v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "1d80705070e3a1eb18bcf4b8b2cc099f46a77d4849dde14e6b6daabb9a36e97f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d80705070e3a1eb18bcf4b8b2cc099f46a77d4849dde14e6b6daabb9a36e97f", kill_on_drop: false }`
[INFO] [stdout] 1d80705070e3a1eb18bcf4b8b2cc099f46a77d4849dde14e6b6daabb9a36e97f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f061509ee2542b3c39f33de5a0cabb85ecf3130aff2f34e03cab92011d501b77
[INFO] running `Command { std: "docker" "start" "-a" "f061509ee2542b3c39f33de5a0cabb85ecf3130aff2f34e03cab92011d501b77", 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/nblock-137f685bdd15c2f4)
[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] [stdout] 
[INFO] [stderr]      Running tests/idle.rs (/opt/rustwide/target/debug/deps/idle-5c43180bf5168cf7)
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_single_task_not_idling ... ok
[INFO] [stdout] test test_spawned_task_idle ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.30s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/join.rs (/opt/rustwide/target/debug/deps/join-64a243d293bda081)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_join_handle_join ... ok
[INFO] [stdout] test test_join_handle_try_take ... ok
[INFO] [stdout] test test_join_handle_on_complete_from_caller_thread ... ok
[INFO] [stdout] test test_join_handle_on_complete_from_task_thread ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running tests/task_management.rs (/opt/rustwide/target/debug/deps/task_management-1e21f7224bf22a9c)
[INFO] [stdout] test test_active_task_count ... ok
[INFO] [stdout] test test_panic_decrements_active_task_count ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nblock
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 122) ... ok
[INFO] [stdout] test src/lib.rs - (line 76) ... ok
[INFO] [stdout] test src/lib.rs - (line 25) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.73s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f061509ee2542b3c39f33de5a0cabb85ecf3130aff2f34e03cab92011d501b77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f061509ee2542b3c39f33de5a0cabb85ecf3130aff2f34e03cab92011d501b77", kill_on_drop: false }`
[INFO] [stdout] f061509ee2542b3c39f33de5a0cabb85ecf3130aff2f34e03cab92011d501b77