[INFO] fetching crate slottle 0.4.2...
[INFO] testing slottle-0.4.2 against 1.59.0 for beta-1.60-1
[INFO] extracting crate slottle 0.4.2 into /workspace/builds/worker-23/source
[INFO] validating manifest of crates.io crate slottle 0.4.2 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 slottle 0.4.2
[INFO] finished tweaking crates.io crate slottle 0.4.2
[INFO] tweaked toml for crates.io crate slottle 0.4.2 written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] e44c8c9809108e8b537e5601d2d2942871b0ae771ae56a8cc9b466e9d8c88768
[INFO] running `Command { std: "docker" "start" "-a" "e44c8c9809108e8b537e5601d2d2942871b0ae771ae56a8cc9b466e9d8c88768", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e44c8c9809108e8b537e5601d2d2942871b0ae771ae56a8cc9b466e9d8c88768", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e44c8c9809108e8b537e5601d2d2942871b0ae771ae56a8cc9b466e9d8c88768", kill_on_drop: false }`
[INFO] [stdout] e44c8c9809108e8b537e5601d2d2942871b0ae771ae56a8cc9b466e9d8c88768
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 2543f50d86dd3f470252b0ede490d28edfd5d0ec3448d69839fd2766b951d997
[INFO] running `Command { std: "docker" "start" "-a" "2543f50d86dd3f470252b0ede490d28edfd5d0ec3448d69839fd2766b951d997", kill_on_drop: false }`
[INFO] [stderr]    Compiling std-semaphore v0.1.0
[INFO] [stderr]    Compiling slottle v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "2543f50d86dd3f470252b0ede490d28edfd5d0ec3448d69839fd2766b951d997", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2543f50d86dd3f470252b0ede490d28edfd5d0ec3448d69839fd2766b951d997", kill_on_drop: false }`
[INFO] [stdout] 2543f50d86dd3f470252b0ede490d28edfd5d0ec3448d69839fd2766b951d997
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] f2a64d028dbf588464c167e66246c7b96b144355d0d1e242bafff10c615e5c51
[INFO] running `Command { std: "docker" "start" "-a" "f2a64d028dbf588464c167e66246c7b96b144355d0d1e242bafff10c615e5c51", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling slottle v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.83s
[INFO] running `Command { std: "docker" "inspect" "f2a64d028dbf588464c167e66246c7b96b144355d0d1e242bafff10c615e5c51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2a64d028dbf588464c167e66246c7b96b144355d0d1e242bafff10c615e5c51", kill_on_drop: false }`
[INFO] [stdout] f2a64d028dbf588464c167e66246c7b96b144355d0d1e242bafff10c615e5c51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] a6fc241fddf6cf7c548406bd8494d3784f0ff405401a21834c52f2a3c6c0b70f
[INFO] running `Command { std: "docker" "start" "-a" "a6fc241fddf6cf7c548406bd8494d3784f0ff405401a21834c52f2a3c6c0b70f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/slottle-be88be0713254186)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test throttle::tests::interval_modify ... ok
[INFO] [stdout] test throttle::interval::tests::test_fibonacci ... ok
[INFO] [stdout] test throttle::tests::retryable_result_convert ... ok
[INFO] [stdout] test throttle::tests::throttle_log_new_0 ... ok
[INFO] [stdout] test throttle::tests::with_concurrent_equal_0 ... ok
[INFO] [stdout] test throttle::tests::throttle_log_op ... ok
[INFO] [stdout] test throttle::tests::with_concurrent_equal_to_isize_max ... ok
[INFO] [stdout] test throttle_pool::tests::run ... ok
[INFO] [stdout] test throttle::interval::tests::test_fibonacci_max_smaller_than_base - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests slottle
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/throttle/interval.rs - throttle::interval::fibonacci (line 15) ... ignored
[INFO] [stdout] test src/throttle/mod.rs - throttle::Interval::modify (line 606) ... ok
[INFO] [stdout] test src/throttle_pool.rs - throttle_pool::ThrottlePoolBuilder<K>::interval (line 80) ... ok
[INFO] [stdout] test src/throttle/mod.rs - throttle::ThrottleBuilder::interval (line 357) ... ok
[INFO] [stdout] test src/throttle/mod.rs - throttle::Throttle::run_fallible (line 81) ... ok
[INFO] [stdout] test src/throttle/mod.rs - throttle::Throttle::retry (line 183) ... ok
[INFO] [stdout] test src/throttle/mod.rs - throttle::Throttle::retry (line 210) ... ok
[INFO] [stdout] test src/lib.rs - (line 81) ... ok
[INFO] [stdout] test src/throttle/mod.rs - throttle::Throttle::run (line 36) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 1.52s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a6fc241fddf6cf7c548406bd8494d3784f0ff405401a21834c52f2a3c6c0b70f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6fc241fddf6cf7c548406bd8494d3784f0ff405401a21834c52f2a3c6c0b70f", kill_on_drop: false }`
[INFO] [stdout] a6fc241fddf6cf7c548406bd8494d3784f0ff405401a21834c52f2a3c6c0b70f