[INFO] fetching crate workerpool-rs 0.1.3...
[INFO] testing workerpool-rs-0.1.3 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate workerpool-rs 0.1.3 into /workspace/builds/worker-41/source
[INFO] validating manifest of crates.io crate workerpool-rs 0.1.3 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate workerpool-rs 0.1.3
[INFO] finished tweaking crates.io crate workerpool-rs 0.1.3
[INFO] tweaked toml for crates.io crate workerpool-rs 0.1.3 written to /workspace/builds/worker-41/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aaa1e7a9e5839a7ce89eb57eb1f8ae8b2390902810a7e6823bd4eb8476331779
[INFO] running `Command { std: "docker" "start" "-a" "aaa1e7a9e5839a7ce89eb57eb1f8ae8b2390902810a7e6823bd4eb8476331779", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aaa1e7a9e5839a7ce89eb57eb1f8ae8b2390902810a7e6823bd4eb8476331779", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaa1e7a9e5839a7ce89eb57eb1f8ae8b2390902810a7e6823bd4eb8476331779", kill_on_drop: false }`
[INFO] [stdout] aaa1e7a9e5839a7ce89eb57eb1f8ae8b2390902810a7e6823bd4eb8476331779
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a71c52d3134a64c433cfc52804ee3618e57d1ec9da6174daa3090b1fb9566903
[INFO] running `Command { std: "docker" "start" "-a" "a71c52d3134a64c433cfc52804ee3618e57d1ec9da6174daa3090b1fb9566903", kill_on_drop: false }`
[INFO] [stderr]    Compiling workerpool-rs v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "a71c52d3134a64c433cfc52804ee3618e57d1ec9da6174daa3090b1fb9566903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a71c52d3134a64c433cfc52804ee3618e57d1ec9da6174daa3090b1fb9566903", kill_on_drop: false }`
[INFO] [stdout] a71c52d3134a64c433cfc52804ee3618e57d1ec9da6174daa3090b1fb9566903
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d5e84ed710a9901cbaf5edb1d0f87a86f33d25ae14b57296cf84c215eed145b
[INFO] running `Command { std: "docker" "start" "-a" "7d5e84ed710a9901cbaf5edb1d0f87a86f33d25ae14b57296cf84c215eed145b", kill_on_drop: false }`
[INFO] [stderr]    Compiling workerpool-rs v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.09s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/workerpool_rs-5a4d97c29d8d042a)
[INFO] [stderr]   Executable tests/integration.rs (/opt/rustwide/target/debug/deps/integration-9760070a7994719b)
[INFO] running `Command { std: "docker" "inspect" "7d5e84ed710a9901cbaf5edb1d0f87a86f33d25ae14b57296cf84c215eed145b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d5e84ed710a9901cbaf5edb1d0f87a86f33d25ae14b57296cf84c215eed145b", kill_on_drop: false }`
[INFO] [stdout] 7d5e84ed710a9901cbaf5edb1d0f87a86f33d25ae14b57296cf84c215eed145b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6abde06169923175628f883413d9aa759c207c697860ec58895463a13b97bcf4
[INFO] running `Command { std: "docker" "start" "-a" "6abde06169923175628f883413d9aa759c207c697860ec58895463a13b97bcf4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/workerpool_rs-5a4d97c29d8d042a)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test pool::unit_tests::worker_should_return_new ... ok
[INFO] [stdout] test pool::unit_tests::workerpool_should_return_new ... ok
[INFO] [stdout] test pool::unit_tests::workerpool_should_execute_job_succeed ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration.rs (/opt/rustwide/target/debug/deps/integration-9760070a7994719b)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test pool_should_synchronize_sender_and_receiver_and_fold_results ... ok
[INFO] [stdout] test pool_should_sum_atomic_variable ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests workerpool-rs
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/pool.rs - pool::WorkerPool::new (line 34) ... ok
[INFO] [stdout] test src/lib.rs - (line 30) ... ok
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] test src/pool.rs - pool::WorkerPool::execute (line 61) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.21s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6abde06169923175628f883413d9aa759c207c697860ec58895463a13b97bcf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6abde06169923175628f883413d9aa759c207c697860ec58895463a13b97bcf4", kill_on_drop: false }`
[INFO] [stdout] 6abde06169923175628f883413d9aa759c207c697860ec58895463a13b97bcf4