[INFO] fetching crate slottle 0.4.2...
[INFO] testing slottle-0.4.2 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate slottle 0.4.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate slottle 0.4.2 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded std-semaphore v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8dc8fe1f1c387d77096640530af071a6a47f34986e0cdcd7783fc3bd8c8f191f
[INFO] running `Command { std: "docker" "start" "-a" "8dc8fe1f1c387d77096640530af071a6a47f34986e0cdcd7783fc3bd8c8f191f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8dc8fe1f1c387d77096640530af071a6a47f34986e0cdcd7783fc3bd8c8f191f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dc8fe1f1c387d77096640530af071a6a47f34986e0cdcd7783fc3bd8c8f191f", kill_on_drop: false }`
[INFO] [stdout] 8dc8fe1f1c387d77096640530af071a6a47f34986e0cdcd7783fc3bd8c8f191f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3abd997fe12ea5a30630db0125bb6d1413c7ee36394c72a41236d55f302cb7d9
[INFO] running `Command { std: "docker" "start" "-a" "3abd997fe12ea5a30630db0125bb6d1413c7ee36394c72a41236d55f302cb7d9", 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 0.56s
[INFO] running `Command { std: "docker" "inspect" "3abd997fe12ea5a30630db0125bb6d1413c7ee36394c72a41236d55f302cb7d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3abd997fe12ea5a30630db0125bb6d1413c7ee36394c72a41236d55f302cb7d9", kill_on_drop: false }`
[INFO] [stdout] 3abd997fe12ea5a30630db0125bb6d1413c7ee36394c72a41236d55f302cb7d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a9dfc5f12b86db7cb445f3bc1d9612518540772e5a6fd90fcb4e440536bd9e1
[INFO] running `Command { std: "docker" "start" "-a" "6a9dfc5f12b86db7cb445f3bc1d9612518540772e5a6fd90fcb4e440536bd9e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling slottle v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.36s
[INFO] running `Command { std: "docker" "inspect" "6a9dfc5f12b86db7cb445f3bc1d9612518540772e5a6fd90fcb4e440536bd9e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a9dfc5f12b86db7cb445f3bc1d9612518540772e5a6fd90fcb4e440536bd9e1", kill_on_drop: false }`
[INFO] [stdout] 6a9dfc5f12b86db7cb445f3bc1d9612518540772e5a6fd90fcb4e440536bd9e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 51f3cd31b17035b55c4ca001eb542e171bf94221fa2a8810b65a111340ae82fd
[INFO] running `Command { std: "docker" "start" "-a" "51f3cd31b17035b55c4ca001eb542e171bf94221fa2a8810b65a111340ae82fd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/slottle-7a4d9b3478a0d96e)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test throttle::tests::retryable_result_convert ... ok
[INFO] [stdout] test throttle::tests::interval_modify ... ok
[INFO] [stdout] test throttle::interval::tests::test_fibonacci ... ok
[INFO] [stdout] test throttle::tests::throttle_log_new_0 ... ok
[INFO] [stdout] test throttle::tests::throttle_log_op ... ok
[INFO] [stdout] test throttle::tests::with_concurrent_equal_0 ... 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/mod.rs - throttle::ThrottleBuilder::interval (line 357) ... ok
[INFO] [stdout] test src/throttle_pool.rs - throttle_pool::ThrottlePoolBuilder<K>::interval (line 80) ... ok
[INFO] [stdout] test src/throttle/mod.rs - throttle::Throttle::run_fallible (line 81) ... ok
[INFO] [stdout] test src/throttle/mod.rs - throttle::Throttle::run (line 36) ... ok
[INFO] [stdout] test src/throttle/mod.rs - throttle::Throttle::retry (line 210) ... ok
[INFO] [stdout] test src/throttle/mod.rs - throttle::Throttle::retry (line 183) ... ok
[INFO] [stdout] test src/lib.rs - (line 81) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 1.15s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "51f3cd31b17035b55c4ca001eb542e171bf94221fa2a8810b65a111340ae82fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51f3cd31b17035b55c4ca001eb542e171bf94221fa2a8810b65a111340ae82fd", kill_on_drop: false }`
[INFO] [stdout] 51f3cd31b17035b55c4ca001eb542e171bf94221fa2a8810b65a111340ae82fd