[INFO] fetching crate polling 2.1.0...
[INFO] testing polling-2.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate polling 2.1.0 into /workspace/builds/worker-105/source
[INFO] validating manifest of crates.io crate polling 2.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate polling 2.1.0
[INFO] finished tweaking crates.io crate polling 2.1.0
[INFO] tweaked toml for crates.io crate polling 2.1.0 written to /workspace/builds/worker-105/source/Cargo.toml
[INFO] crate crates.io crate polling 2.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded easy-parallel v3.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62dc99dd9740ff9fa6c1c13e1e7286040f4d73a16b726982db1207c574c9b95b
[INFO] running `Command { std: "docker" "start" "-a" "62dc99dd9740ff9fa6c1c13e1e7286040f4d73a16b726982db1207c574c9b95b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62dc99dd9740ff9fa6c1c13e1e7286040f4d73a16b726982db1207c574c9b95b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62dc99dd9740ff9fa6c1c13e1e7286040f4d73a16b726982db1207c574c9b95b", kill_on_drop: false }`
[INFO] [stdout] 62dc99dd9740ff9fa6c1c13e1e7286040f4d73a16b726982db1207c574c9b95b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86442e76defeb64aec80bbd9f60580c7a87fa70d11643a294eae2c2c4188ac1f
[INFO] running `Command { std: "docker" "start" "-a" "86442e76defeb64aec80bbd9f60580c7a87fa70d11643a294eae2c2c4188ac1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling polling v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.72s
[INFO] running `Command { std: "docker" "inspect" "86442e76defeb64aec80bbd9f60580c7a87fa70d11643a294eae2c2c4188ac1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86442e76defeb64aec80bbd9f60580c7a87fa70d11643a294eae2c2c4188ac1f", kill_on_drop: false }`
[INFO] [stdout] 86442e76defeb64aec80bbd9f60580c7a87fa70d11643a294eae2c2c4188ac1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63c79e0ea4e6d7806c6e3f948432d3e359f7e0681b0260e5772309f62e76d096
[INFO] running `Command { std: "docker" "start" "-a" "63c79e0ea4e6d7806c6e3f948432d3e359f7e0681b0260e5772309f62e76d096", kill_on_drop: false }`
[INFO] [stderr]    Compiling polling v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.02s
[INFO] running `Command { std: "docker" "inspect" "63c79e0ea4e6d7806c6e3f948432d3e359f7e0681b0260e5772309f62e76d096", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63c79e0ea4e6d7806c6e3f948432d3e359f7e0681b0260e5772309f62e76d096", kill_on_drop: false }`
[INFO] [stdout] 63c79e0ea4e6d7806c6e3f948432d3e359f7e0681b0260e5772309f62e76d096
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9ca98326d2fc74d7754ff30b949c59943d5de19909601a15b9c2a8a999ac50d4
[INFO] running `Command { std: "docker" "start" "-a" "9ca98326d2fc74d7754ff30b949c59943d5de19909601a15b9c2a8a999ac50d4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/polling-c9e6740c38b43090)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/notify.rs (/opt/rustwide/target/debug/deps/notify-4462d20b52197f95)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test simple ... ok
[INFO] [stdout] test concurrent ... 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]      Running tests/precision.rs (/opt/rustwide/target/debug/deps/precision-c799181052afef81)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test below_ms ... ok
[INFO] [stdout] test above_ms ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.22s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/timeout.rs (/opt/rustwide/target/debug/deps/timeout-9550bfd05660d3f0)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test non_blocking ... ok
[INFO] [stdout] test twice ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests polling
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/lib.rs - Poller::modify (line 289) - compile ... ok
[INFO] [stdout] test src/lib.rs - Poller::modify (line 265) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 17) - compile ... ok
[INFO] [stdout] test src/lib.rs - Poller::modify (line 301) - compile ... ok
[INFO] [stdout] test src/lib.rs - Poller::add (line 221) - compile ... ok
[INFO] [stdout] test src/lib.rs - Poller::modify (line 277) - compile ... ok
[INFO] [stdout] test src/lib.rs - Poller::new (line 175) ... ok
[INFO] [stdout] test src/lib.rs - Poller::delete (line 327) ... ok
[INFO] [stdout] test src/lib.rs - Poller::notify (line 409) ... ok
[INFO] [stdout] test src/lib.rs - Poller::wait (line 364) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.32s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9ca98326d2fc74d7754ff30b949c59943d5de19909601a15b9c2a8a999ac50d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ca98326d2fc74d7754ff30b949c59943d5de19909601a15b9c2a8a999ac50d4", kill_on_drop: false }`
[INFO] [stdout] 9ca98326d2fc74d7754ff30b949c59943d5de19909601a15b9c2a8a999ac50d4