[INFO] fetching crate mio 0.7.6...
[INFO] testing mio-0.7.6 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate mio 0.7.6 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate mio 0.7.6 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mio 0.7.6
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mio 0.7.6
[INFO] tweaked toml for crates.io crate mio 0.7.6 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate mio 0.7.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a134a2ca9b1f5ee8c2bc3245f464408fc99ab8c4d4d6a12340e7d49301d3879
[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" "8a134a2ca9b1f5ee8c2bc3245f464408fc99ab8c4d4d6a12340e7d49301d3879", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a134a2ca9b1f5ee8c2bc3245f464408fc99ab8c4d4d6a12340e7d49301d3879", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a134a2ca9b1f5ee8c2bc3245f464408fc99ab8c4d4d6a12340e7d49301d3879", kill_on_drop: false }`
[INFO] [stdout] 8a134a2ca9b1f5ee8c2bc3245f464408fc99ab8c4d4d6a12340e7d49301d3879
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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] 524c3ebbd9330cb88aae0d44ad5eab780fa4f67429a69ad926dde3d069816869
[INFO] running `Command { std: "docker" "start" "-a" "524c3ebbd9330cb88aae0d44ad5eab780fa4f67429a69ad926dde3d069816869", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling mio v0.7.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.35s
[INFO] running `Command { std: "docker" "inspect" "524c3ebbd9330cb88aae0d44ad5eab780fa4f67429a69ad926dde3d069816869", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "524c3ebbd9330cb88aae0d44ad5eab780fa4f67429a69ad926dde3d069816869", kill_on_drop: false }`
[INFO] [stdout] 524c3ebbd9330cb88aae0d44ad5eab780fa4f67429a69ad926dde3d069816869
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e963d0c9b846d5b8e20a17911fba8271e97b8af2c8dd0b4fea4f2b2944a4fbd
[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" "7e963d0c9b846d5b8e20a17911fba8271e97b8af2c8dd0b4fea4f2b2944a4fbd", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling mio v0.7.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.71s
[INFO] running `Command { std: "docker" "inspect" "7e963d0c9b846d5b8e20a17911fba8271e97b8af2c8dd0b4fea4f2b2944a4fbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e963d0c9b846d5b8e20a17911fba8271e97b8af2c8dd0b4fea4f2b2944a4fbd", kill_on_drop: false }`
[INFO] [stdout] 7e963d0c9b846d5b8e20a17911fba8271e97b8af2c8dd0b4fea4f2b2944a4fbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8385468c3ff40079523fdfcab4a73d9f56473a51bb1c27fa1959b7cc879fea0e
[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" "8385468c3ff40079523fdfcab4a73d9f56473a51bb1c27fa1959b7cc879fea0e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mio-5c15636c84b35551
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mio
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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 142) ... ignored
[INFO] [stdout] test src/lib.rs - guide (line 176) ... ignored
[INFO] [stdout] test src/lib.rs - guide (line 214) ... 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 263) ... ignored
[INFO] [stdout] test src/poll.rs - poll::Registry::deregister (line 573) ... ignored
[INFO] [stdout] test src/poll.rs - poll::Registry::register (line 428) ... ignored
[INFO] [stdout] test src/poll.rs - poll::Registry::reregister (line 506) ... 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::capacity (line 100) ... 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] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 16 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8385468c3ff40079523fdfcab4a73d9f56473a51bb1c27fa1959b7cc879fea0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8385468c3ff40079523fdfcab4a73d9f56473a51bb1c27fa1959b7cc879fea0e", kill_on_drop: false }`
[INFO] [stdout] 8385468c3ff40079523fdfcab4a73d9f56473a51bb1c27fa1959b7cc879fea0e