[INFO] fetching crate mio 0.8.0...
[INFO] testing mio-0.8.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate mio 0.8.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate mio 0.8.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mio 0.8.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mio 0.8.0
[INFO] tweaked toml for crates.io crate mio 0.8.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate mio 0.8.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb5cca99a89fa78192ea56d8677fc7cda607306d2230faa54d3e47ae3cb7dd7c
[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" "fb5cca99a89fa78192ea56d8677fc7cda607306d2230faa54d3e47ae3cb7dd7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb5cca99a89fa78192ea56d8677fc7cda607306d2230faa54d3e47ae3cb7dd7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb5cca99a89fa78192ea56d8677fc7cda607306d2230faa54d3e47ae3cb7dd7c", kill_on_drop: false }`
[INFO] [stdout] fb5cca99a89fa78192ea56d8677fc7cda607306d2230faa54d3e47ae3cb7dd7c
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", 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] cde5d00bf0c764b2da00338c6d4eb5de5b27ee3ef790ef106bdbb2046fe54768
[INFO] running `Command { std: "docker" "start" "-a" "cde5d00bf0c764b2da00338c6d4eb5de5b27ee3ef790ef106bdbb2046fe54768", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling mio v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "cde5d00bf0c764b2da00338c6d4eb5de5b27ee3ef790ef106bdbb2046fe54768", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cde5d00bf0c764b2da00338c6d4eb5de5b27ee3ef790ef106bdbb2046fe54768", kill_on_drop: false }`
[INFO] [stdout] cde5d00bf0c764b2da00338c6d4eb5de5b27ee3ef790ef106bdbb2046fe54768
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", 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] 70769d7be975646718732bd3c3824e7afc621cca4cecb9fff1d9c1fbf3fca658
[INFO] running `Command { std: "docker" "start" "-a" "70769d7be975646718732bd3c3824e7afc621cca4cecb9fff1d9c1fbf3fca658", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling env_logger v0.8.4
[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 mio v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.37s
[INFO] running `Command { std: "docker" "inspect" "70769d7be975646718732bd3c3824e7afc621cca4cecb9fff1d9c1fbf3fca658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70769d7be975646718732bd3c3824e7afc621cca4cecb9fff1d9c1fbf3fca658", kill_on_drop: false }`
[INFO] [stdout] 70769d7be975646718732bd3c3824e7afc621cca4cecb9fff1d9c1fbf3fca658
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 84b7db199734f6cd98c27918c4c7417db8336494e8c3fb6d454fec4e810bf5e7
[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" "84b7db199734f6cd98c27918c4c7417db8336494e8c3fb6d454fec4e810bf5e7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mio-8144daa20755111a)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests mio
[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 21 tests
[INFO] [stdout] test src/event/events.rs - event::events::Events (line 20) ... ignored
[INFO] [stdout] test src/event/events.rs - event::events::Events::clear (line 164) ... ignored
[INFO] [stdout] test src/event/events.rs - event::events::Events::iter (line 128) ... ignored
[INFO] [stdout] test src/event/events.rs - event::events::Iter (line 55) ... ignored
[INFO] [stdout] test src/event/source.rs - event::source::Source (line 41) ... ignored
[INFO] [stdout] test src/lib.rs - guide (line 141) ... ignored
[INFO] [stdout] test src/lib.rs - guide (line 175) ... ignored
[INFO] [stdout] test src/lib.rs - guide (line 213) ... ignored
[INFO] [stdout] test src/poll.rs - poll::Poll (line 129) ... ignored
[INFO] [stdout] test src/poll.rs - poll::Poll (line 33) ... ignored
[INFO] [stdout] test src/poll.rs - poll::Poll::poll (line 286) ... ignored
[INFO] [stdout] test src/poll.rs - poll::Registry::deregister (line 596) ... ignored
[INFO] [stdout] test src/poll.rs - poll::Registry::register (line 451) ... ignored
[INFO] [stdout] test src/poll.rs - poll::Registry::reregister (line 529) ... ignored
[INFO] [stdout] test src/token.rs - token::Token (line 20) ... ignored
[INFO] [stdout] test src/waker.rs - waker::Waker (line 37) ... ignored
[INFO] [stdout] test src/event/events.rs - event::events::Events::is_empty (line 114) ... ok
[INFO] [stdout] test src/interest.rs - interest::Interest::add (line 61) ... ok
[INFO] [stdout] test src/event/events.rs - event::events::Events::with_capacity (line 86) ... ok
[INFO] [stdout] test src/interest.rs - interest::Interest::remove (line 77) ... ok
[INFO] [stdout] test src/event/events.rs - event::events::Events::capacity (line 100) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 16 ignored; 0 measured; 0 filtered out; finished in 1.33s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "84b7db199734f6cd98c27918c4c7417db8336494e8c3fb6d454fec4e810bf5e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84b7db199734f6cd98c27918c4c7417db8336494e8c3fb6d454fec4e810bf5e7", kill_on_drop: false }`
[INFO] [stdout] 84b7db199734f6cd98c27918c4c7417db8336494e8c3fb6d454fec4e810bf5e7