[INFO] fetching crate workerpool-rs 0.1.3...
[INFO] testing workerpool-rs-0.1.3 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate workerpool-rs 0.1.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate workerpool-rs 0.1.3 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94b492751c3b4c52d275c37a7ae9ff61ef18533af8b28b19b15bd19344382b63
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "94b492751c3b4c52d275c37a7ae9ff61ef18533af8b28b19b15bd19344382b63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94b492751c3b4c52d275c37a7ae9ff61ef18533af8b28b19b15bd19344382b63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94b492751c3b4c52d275c37a7ae9ff61ef18533af8b28b19b15bd19344382b63", kill_on_drop: false }`
[INFO] [stdout] 94b492751c3b4c52d275c37a7ae9ff61ef18533af8b28b19b15bd19344382b63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5e624f19e7d0f847f0794e84d0a1f908057c556f6f337a639106283ff3c661e0
[INFO] running `Command { std: "docker" "start" "-a" "5e624f19e7d0f847f0794e84d0a1f908057c556f6f337a639106283ff3c661e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling workerpool-rs v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "5e624f19e7d0f847f0794e84d0a1f908057c556f6f337a639106283ff3c661e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e624f19e7d0f847f0794e84d0a1f908057c556f6f337a639106283ff3c661e0", kill_on_drop: false }`
[INFO] [stdout] 5e624f19e7d0f847f0794e84d0a1f908057c556f6f337a639106283ff3c661e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8dc6cf90239f7236a9646c8393b4448aa066005ff15c0df1f64c55225463bab2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8dc6cf90239f7236a9646c8393b4448aa066005ff15c0df1f64c55225463bab2", kill_on_drop: false }`
[INFO] [stderr]    Compiling workerpool-rs v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.22s
[INFO] running `Command { std: "docker" "inspect" "8dc6cf90239f7236a9646c8393b4448aa066005ff15c0df1f64c55225463bab2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dc6cf90239f7236a9646c8393b4448aa066005ff15c0df1f64c55225463bab2", kill_on_drop: false }`
[INFO] [stdout] 8dc6cf90239f7236a9646c8393b4448aa066005ff15c0df1f64c55225463bab2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cbdf41b3ed2f8a30e90b206059a073149df2c3e40e0eba498428055eb49a5008
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cbdf41b3ed2f8a30e90b206059a073149df2c3e40e0eba498428055eb49a5008", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/workerpool_rs-7bef6d08808cd262)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test pool::unit_tests::workerpool_should_return_new ... ok
[INFO] [stdout] test pool::unit_tests::worker_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 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration.rs (/opt/rustwide/target/debug/deps/integration-a7b41c4714e0371c)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test pool_should_sum_atomic_variable ... ok
[INFO] [stdout] test pool_should_synchronize_sender_and_receiver_and_fold_results ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[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/pool.rs - pool::WorkerPool::execute (line 61) ... ok
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.47s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cbdf41b3ed2f8a30e90b206059a073149df2c3e40e0eba498428055eb49a5008", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbdf41b3ed2f8a30e90b206059a073149df2c3e40e0eba498428055eb49a5008", kill_on_drop: false }`
[INFO] [stdout] cbdf41b3ed2f8a30e90b206059a073149df2c3e40e0eba498428055eb49a5008