[INFO] fetching crate polling 2.2.0...
[INFO] testing polling-2.2.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate polling 2.2.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate polling 2.2.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate polling 2.2.0
[INFO] finished tweaking crates.io crate polling 2.2.0
[INFO] tweaked toml for crates.io crate polling 2.2.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate polling 2.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8c1dfe81edc7b03fa58bf0b4b917eecc5b823b92477d5a054b9f79f2a8d36459
[INFO] running `Command { std: "docker" "start" "-a" "8c1dfe81edc7b03fa58bf0b4b917eecc5b823b92477d5a054b9f79f2a8d36459", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c1dfe81edc7b03fa58bf0b4b917eecc5b823b92477d5a054b9f79f2a8d36459", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c1dfe81edc7b03fa58bf0b4b917eecc5b823b92477d5a054b9f79f2a8d36459", kill_on_drop: false }`
[INFO] [stdout] 8c1dfe81edc7b03fa58bf0b4b917eecc5b823b92477d5a054b9f79f2a8d36459
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe5fd205ddbaccb7a3f286a8fc8dec4a4a7229856665c9cd766eb2dfb19b22f7
[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" "fe5fd205ddbaccb7a3f286a8fc8dec4a4a7229856665c9cd766eb2dfb19b22f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling polling v2.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.61s
[INFO] running `Command { std: "docker" "inspect" "fe5fd205ddbaccb7a3f286a8fc8dec4a4a7229856665c9cd766eb2dfb19b22f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe5fd205ddbaccb7a3f286a8fc8dec4a4a7229856665c9cd766eb2dfb19b22f7", kill_on_drop: false }`
[INFO] [stdout] fe5fd205ddbaccb7a3f286a8fc8dec4a4a7229856665c9cd766eb2dfb19b22f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fffe6f83e86822b6a9cea289c1976cca0cf156fb0edecf7d0cff7c65c66221ba
[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" "fffe6f83e86822b6a9cea289c1976cca0cf156fb0edecf7d0cff7c65c66221ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling easy-parallel v3.1.0
[INFO] [stderr]    Compiling polling v2.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.36s
[INFO] running `Command { std: "docker" "inspect" "fffe6f83e86822b6a9cea289c1976cca0cf156fb0edecf7d0cff7c65c66221ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fffe6f83e86822b6a9cea289c1976cca0cf156fb0edecf7d0cff7c65c66221ba", kill_on_drop: false }`
[INFO] [stdout] fffe6f83e86822b6a9cea289c1976cca0cf156fb0edecf7d0cff7c65c66221ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 434a843f1e3db17b166ba07e90f53271b1caea7f814af66573186a07584a8209
[INFO] running `Command { std: "docker" "start" "-a" "434a843f1e3db17b166ba07e90f53271b1caea7f814af66573186a07584a8209", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/polling-eb7fdee1199cb7b5)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/concurrent_modification.rs (/opt/rustwide/target/debug/deps/concurrent_modification-f98d4cfe08818e2f)
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test concurrent_modify ... ok
[INFO] [stderr]      Running tests/notify.rs (/opt/rustwide/target/debug/deps/notify-d868c386b5f75188)
[INFO] [stdout] test concurrent_add ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[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-af9692e3cc76b319)
[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-186c32a2101fc994)
[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] [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 273) - compile ... ok
[INFO] [stdout] test src/lib.rs - Poller::modify (line 309) - compile ... ok
[INFO] [stdout] test src/lib.rs - Poller::modify (line 285) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 18) - compile ... ok
[INFO] [stdout] test src/lib.rs - Poller::modify (line 297) - compile ... ok
[INFO] [stdout] test src/lib.rs - Poller::add (line 229) - compile ... ok
[INFO] [stdout] test src/lib.rs - Poller::delete (line 335) ... ok
[INFO] [stdout] test src/lib.rs - Poller::new (line 183) ... ok
[INFO] [stdout] test src/lib.rs - Poller::notify (line 417) ... ok
[INFO] [stdout] test src/lib.rs - Poller::wait (line 372) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.80s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "434a843f1e3db17b166ba07e90f53271b1caea7f814af66573186a07584a8209", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "434a843f1e3db17b166ba07e90f53271b1caea7f814af66573186a07584a8209", kill_on_drop: false }`
[INFO] [stdout] 434a843f1e3db17b166ba07e90f53271b1caea7f814af66573186a07584a8209