[INFO] fetching crate mio 0.7.13...
[INFO] testing mio-0.7.13 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate mio 0.7.13 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mio 0.7.13 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mio 0.7.13
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mio 0.7.13
[INFO] tweaked toml for crates.io crate mio 0.7.13 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate mio 0.7.13 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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] b6883a34f2511a42e5c12f8acad6dc99678e9127ca6764efb6a990c93700e833
[INFO] running `Command { std: "docker" "start" "-a" "b6883a34f2511a42e5c12f8acad6dc99678e9127ca6764efb6a990c93700e833", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6883a34f2511a42e5c12f8acad6dc99678e9127ca6764efb6a990c93700e833", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6883a34f2511a42e5c12f8acad6dc99678e9127ca6764efb6a990c93700e833", kill_on_drop: false }`
[INFO] [stdout] b6883a34f2511a42e5c12f8acad6dc99678e9127ca6764efb6a990c93700e833
[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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] efb9a3bc562cfd0d2d24136140548ef7129f4c409e9e75e9775514c2b07b0d82
[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" "efb9a3bc562cfd0d2d24136140548ef7129f4c409e9e75e9775514c2b07b0d82", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling mio v0.7.13 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "efb9a3bc562cfd0d2d24136140548ef7129f4c409e9e75e9775514c2b07b0d82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efb9a3bc562cfd0d2d24136140548ef7129f4c409e9e75e9775514c2b07b0d82", kill_on_drop: false }`
[INFO] [stdout] efb9a3bc562cfd0d2d24136140548ef7129f4c409e9e75e9775514c2b07b0d82
[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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d1ef55be20b8f1ac4d0d65c84d49d0ca26c552e2d9faead95d70f25268b87a7
[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" "4d1ef55be20b8f1ac4d0d65c84d49d0ca26c552e2d9faead95d70f25268b87a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling mio v0.7.13 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "4d1ef55be20b8f1ac4d0d65c84d49d0ca26c552e2d9faead95d70f25268b87a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d1ef55be20b8f1ac4d0d65c84d49d0ca26c552e2d9faead95d70f25268b87a7", kill_on_drop: false }`
[INFO] [stdout] 4d1ef55be20b8f1ac4d0d65c84d49d0ca26c552e2d9faead95d70f25268b87a7
[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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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] e42067ef7234f10f1121cc05153de060afd7cd62d5480475d00f6f9021710df2
[INFO] running `Command { std: "docker" "start" "-a" "e42067ef7234f10f1121cc05153de060afd7cd62d5480475d00f6f9021710df2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mio-bd2b142e5993cc0f)
[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]    Doc-tests mio
[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/event/events.rs - event::events::Events::with_capacity (line 86) ... 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/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; finished in 0.37s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e42067ef7234f10f1121cc05153de060afd7cd62d5480475d00f6f9021710df2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e42067ef7234f10f1121cc05153de060afd7cd62d5480475d00f6f9021710df2", kill_on_drop: false }`
[INFO] [stdout] e42067ef7234f10f1121cc05153de060afd7cd62d5480475d00f6f9021710df2