[INFO] fetching crate fpool 0.5.0...
[INFO] testing fpool-0.5.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate fpool 0.5.0 into /workspace/builds/worker-95/source
[INFO] validating manifest of crates.io crate fpool 0.5.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fpool 0.5.0
[INFO] finished tweaking crates.io crate fpool 0.5.0
[INFO] tweaked toml for crates.io crate fpool 0.5.0 written to /workspace/builds/worker-95/source/Cargo.toml
[INFO] crate crates.io crate fpool 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 406557891c30070cae72dc5b30b448869b66d5aaf5e5491f1d191f4bce0a86f9
[INFO] running `Command { std: "docker" "start" "-a" "406557891c30070cae72dc5b30b448869b66d5aaf5e5491f1d191f4bce0a86f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "406557891c30070cae72dc5b30b448869b66d5aaf5e5491f1d191f4bce0a86f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "406557891c30070cae72dc5b30b448869b66d5aaf5e5491f1d191f4bce0a86f9", kill_on_drop: false }`
[INFO] [stdout] 406557891c30070cae72dc5b30b448869b66d5aaf5e5491f1d191f4bce0a86f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84801ada54ae9f2a4aa9c1f44a81620f3636e8e1704527dd822bca61921a424b
[INFO] running `Command { std: "docker" "start" "-a" "84801ada54ae9f2a4aa9c1f44a81620f3636e8e1704527dd822bca61921a424b", kill_on_drop: false }`
[INFO] [stderr]    Compiling fpool v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "84801ada54ae9f2a4aa9c1f44a81620f3636e8e1704527dd822bca61921a424b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84801ada54ae9f2a4aa9c1f44a81620f3636e8e1704527dd822bca61921a424b", kill_on_drop: false }`
[INFO] [stdout] 84801ada54ae9f2a4aa9c1f44a81620f3636e8e1704527dd822bca61921a424b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b9b411958566daa1638bf384627a5143df2cefdc0d557bd39eea15c59853de8
[INFO] running `Command { std: "docker" "start" "-a" "7b9b411958566daa1638bf384627a5143df2cefdc0d557bd39eea15c59853de8", kill_on_drop: false }`
[INFO] [stderr]    Compiling fpool v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.00s
[INFO] running `Command { std: "docker" "inspect" "7b9b411958566daa1638bf384627a5143df2cefdc0d557bd39eea15c59853de8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b9b411958566daa1638bf384627a5143df2cefdc0d557bd39eea15c59853de8", kill_on_drop: false }`
[INFO] [stdout] 7b9b411958566daa1638bf384627a5143df2cefdc0d557bd39eea15c59853de8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 537f8543145c399950acfaa298c313b7cfd2f9b70c07619cc49a06aee65970f4
[INFO] running `Command { std: "docker" "start" "-a" "537f8543145c399950acfaa298c313b7cfd2f9b70c07619cc49a06aee65970f4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fpool-d8d03de59c1f9931)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test pool::round_robin_pool::tests::refills_items_as_expected ... ok
[INFO] [stdout] test pool::round_robin_pool::tests::works_in_round_robin_fashion ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fpool
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 19) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 27) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.34s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "537f8543145c399950acfaa298c313b7cfd2f9b70c07619cc49a06aee65970f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "537f8543145c399950acfaa298c313b7cfd2f9b70c07619cc49a06aee65970f4", kill_on_drop: false }`
[INFO] [stdout] 537f8543145c399950acfaa298c313b7cfd2f9b70c07619cc49a06aee65970f4