[INFO] fetching crate polling 2.1.0...
[INFO] testing polling-2.1.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate polling 2.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate polling 2.1.0 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 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-4/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] d37c914f755f8e9f380c6532b0cd8f8fa91239d7593756e9a172380717735693
[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" "d37c914f755f8e9f380c6532b0cd8f8fa91239d7593756e9a172380717735693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d37c914f755f8e9f380c6532b0cd8f8fa91239d7593756e9a172380717735693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d37c914f755f8e9f380c6532b0cd8f8fa91239d7593756e9a172380717735693", kill_on_drop: false }`
[INFO] [stdout] d37c914f755f8e9f380c6532b0cd8f8fa91239d7593756e9a172380717735693
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 3dfd0fead2e62193034c2b2723553b2a3aa6524f749c2261e02e6d0606cc695c
[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" "3dfd0fead2e62193034c2b2723553b2a3aa6524f749c2261e02e6d0606cc695c", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[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 3.25s
[INFO] running `Command { std: "docker" "inspect" "3dfd0fead2e62193034c2b2723553b2a3aa6524f749c2261e02e6d0606cc695c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dfd0fead2e62193034c2b2723553b2a3aa6524f749c2261e02e6d0606cc695c", kill_on_drop: false }`
[INFO] [stdout] 3dfd0fead2e62193034c2b2723553b2a3aa6524f749c2261e02e6d0606cc695c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 4588d669156b800f4cb482f59d28ac1a1962c68ff46d5dca20c0e2e30c830a03
[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" "4588d669156b800f4cb482f59d28ac1a1962c68ff46d5dca20c0e2e30c830a03", kill_on_drop: false }`
[INFO] [stderr]    Compiling polling v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.12s
[INFO] running `Command { std: "docker" "inspect" "4588d669156b800f4cb482f59d28ac1a1962c68ff46d5dca20c0e2e30c830a03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4588d669156b800f4cb482f59d28ac1a1962c68ff46d5dca20c0e2e30c830a03", kill_on_drop: false }`
[INFO] [stdout] 4588d669156b800f4cb482f59d28ac1a1962c68ff46d5dca20c0e2e30c830a03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 2c8d703469da1c6195e2b81d820093727759eff3b0fad2161fc0d9ba27cbe5c8
[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" "2c8d703469da1c6195e2b81d820093727759eff3b0fad2161fc0d9ba27cbe5c8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/polling-267e94874b986dc4)
[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-0581f804db809a42)
[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 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/precision.rs (/opt/rustwide/target/debug/deps/precision-ec6b89defef08fd6)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test below_ms ... ok
[INFO] [stderr]      Running tests/timeout.rs (/opt/rustwide/target/debug/deps/timeout-d305d1a1eb42d85c)
[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 3.20s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test non_blocking ... ok
[INFO] [stderr]    Doc-tests polling
[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] [stdout] 
[INFO] [stdout] running 10 tests
[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 277) - compile ... ok
[INFO] [stdout] test src/lib.rs - Poller::modify (line 289) - compile ... ok
[INFO] [stdout] test src/lib.rs - Poller::add (line 221) - compile ... ok
[INFO] [stdout] test src/lib.rs - Poller::modify (line 301) - 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 3.09s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2c8d703469da1c6195e2b81d820093727759eff3b0fad2161fc0d9ba27cbe5c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c8d703469da1c6195e2b81d820093727759eff3b0fad2161fc0d9ba27cbe5c8", kill_on_drop: false }`
[INFO] [stdout] 2c8d703469da1c6195e2b81d820093727759eff3b0fad2161fc0d9ba27cbe5c8