[INFO] fetching crate mio-extras 2.0.6...
[INFO] testing mio-extras-2.0.6 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate mio-extras 2.0.6 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate mio-extras 2.0.6 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-extras 2.0.6
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mio-extras 2.0.6
[INFO] tweaked toml for crates.io crate mio-extras 2.0.6 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] b2fc0b4434a520aca17540b5b1157c09fc481367783b22ddffa4449d21fdada4
[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" "b2fc0b4434a520aca17540b5b1157c09fc481367783b22ddffa4449d21fdada4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2fc0b4434a520aca17540b5b1157c09fc481367783b22ddffa4449d21fdada4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2fc0b4434a520aca17540b5b1157c09fc481367783b22ddffa4449d21fdada4", kill_on_drop: false }`
[INFO] [stdout] b2fc0b4434a520aca17540b5b1157c09fc481367783b22ddffa4449d21fdada4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] eb10a65f12ae436dd0624b8b0391657d548c11f42cd450a7d28abc79c2b551a9
[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" "eb10a65f12ae436dd0624b8b0391657d548c11f42cd450a7d28abc79c2b551a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling mio-extras v2.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/channel.rs:376:49
[INFO] [stdout]     |
[INFO] [stdout] 376 |             SendError::Io(ref io_err) => io_err.description(),
[INFO] [stdout]     |                                                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/channel.rs:385:52
[INFO] [stdout]     |
[INFO] [stdout] 385 |             TrySendError::Io(ref io_err) => io_err.description(),
[INFO] [stdout]     |                                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/timer.rs:365:26
[INFO] [stdout]     |
[INFO] [stdout] 365 |                         .compare_and_swap(curr, tick as usize, Ordering::Release);
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/timer.rs:532:27
[INFO] [stdout]     |
[INFO] [stdout] 532 |                     state.compare_and_swap(sleep_until_tick as usize, usize::MAX, Ordering::AcqRel)
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.32s
[INFO] running `Command { std: "docker" "inspect" "eb10a65f12ae436dd0624b8b0391657d548c11f42cd450a7d28abc79c2b551a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb10a65f12ae436dd0624b8b0391657d548c11f42cd450a7d28abc79c2b551a9", kill_on_drop: false }`
[INFO] [stdout] eb10a65f12ae436dd0624b8b0391657d548c11f42cd450a7d28abc79c2b551a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] 378b822522174f81633718b1af62d9704d3d7f3c03873633197047d03c1898f7
[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" "378b822522174f81633718b1af62d9704d3d7f3c03873633197047d03c1898f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling mio-extras v2.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/channel.rs:376:49
[INFO] [stdout]     |
[INFO] [stdout] 376 |             SendError::Io(ref io_err) => io_err.description(),
[INFO] [stdout]     |                                                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/channel.rs:385:52
[INFO] [stdout]     |
[INFO] [stdout] 385 |             TrySendError::Io(ref io_err) => io_err.description(),
[INFO] [stdout]     |                                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/timer.rs:365:26
[INFO] [stdout]     |
[INFO] [stdout] 365 |                         .compare_and_swap(curr, tick as usize, Ordering::Release);
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/timer.rs:532:27
[INFO] [stdout]     |
[INFO] [stdout] 532 |                     state.compare_and_swap(sleep_until_tick as usize, usize::MAX, Ordering::AcqRel)
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/channel.rs:376:49
[INFO] [stdout]     |
[INFO] [stdout] 376 |             SendError::Io(ref io_err) => io_err.description(),
[INFO] [stdout]     |                                                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/channel.rs:385:52
[INFO] [stdout]     |
[INFO] [stdout] 385 |             TrySendError::Io(ref io_err) => io_err.description(),
[INFO] [stdout]     |                                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/timer.rs:365:26
[INFO] [stdout]     |
[INFO] [stdout] 365 |                         .compare_and_swap(curr, tick as usize, Ordering::Release);
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/timer.rs:532:27
[INFO] [stdout]     |
[INFO] [stdout] 532 |                     state.compare_and_swap(sleep_until_tick as usize, usize::MAX, Ordering::AcqRel)
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.20s
[INFO] running `Command { std: "docker" "inspect" "378b822522174f81633718b1af62d9704d3d7f3c03873633197047d03c1898f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "378b822522174f81633718b1af62d9704d3d7f3c03873633197047d03c1898f7", kill_on_drop: false }`
[INFO] [stdout] 378b822522174f81633718b1af62d9704d3d7f3c03873633197047d03c1898f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1430827f10e70b46be7eca65b99098d4e6224518c92f2f66ae25ae784399bc16
[INFO] running `Command { std: "docker" "start" "-a" "1430827f10e70b46be7eca65b99098d4e6224518c92f2f66ae25ae784399bc16", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/channel.rs:376:49
[INFO] [stderr]     |
[INFO] [stderr] 376 |             SendError::Io(ref io_err) => io_err.description(),
[INFO] [stderr]     |                                                 ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/channel.rs:385:52
[INFO] [stderr]     |
[INFO] [stderr] 385 |             TrySendError::Io(ref io_err) => io_err.description(),
[INFO] [stderr]     |                                                    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/timer.rs:365:26
[INFO] [stderr]     |
[INFO] [stderr] 365 |                         .compare_and_swap(curr, tick as usize, Ordering::Release);
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/timer.rs:532:27
[INFO] [stderr]     |
[INFO] [stderr] 532 |                     state.compare_and_swap(sleep_until_tick as usize, usize::MAX, Ordering::AcqRel)
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `mio-extras` (lib) generated 4 warnings
[INFO] [stderr] warning: `mio-extras` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mio_extras-9f68117b3b3020f3)
[INFO] [stdout] 
[INFO] [stderr]      Running test/mod.rs (/opt/rustwide/target/debug/deps/test-89b7f6eb9afed861)
[INFO] [stdout] running 7 tests
[INFO] [stdout] test timer::test::test_catching_up ... ok
[INFO] [stdout] test timer::test::test_multiple_timeouts_same_tick ... ok
[INFO] [stdout] test timer::test::test_clearing_timeout ... ok
[INFO] [stdout] test timer::test::test_timeout_next_tick ... ok
[INFO] [stdout] test timer::test::test_timeout_hash_collision ... ok
[INFO] [stdout] test timer::test::test_multiple_timeouts_diff_tick ... ok
[INFO] [stdout] test timer::test::test_clearing_timeout_between_triggers ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test test_poll_channel::test_dropping_receive_before_poll ... ok
[INFO] [stdout] test test_timer::test_basic_timer_with_poll_edge_set_timeout_after_register ... ok
[INFO] [stdout] test test_timer::test_basic_timer_with_poll_edge_set_timeout_before_register ... ok
[INFO] [stdout] test test_timer::test_basic_timer_without_poll ... ok
[INFO] [stdout] test test_poll_channel::test_mixing_channel_with_socket ... ok
[INFO] [stdout] test test_poll_channel::test_poll_channel_level ... ok
[INFO] [stdout] test test_timer::test_level_triggered ... ok
[INFO] [stdout] test test_timer::test_cancel_timeout ... ok
[INFO] [stdout] test test_timer::test_edge_oneshot_triggered ... ok
[INFO] [stdout] test test_poll_channel::test_poll_channel_writable ... ok
[INFO] [stdout] test test_timer::test_setting_later_timeout_then_earlier_one ... ok
[INFO] [stdout] test test_timer::test_edge_without_polling ... ok
[INFO] [stdout] test test_poll_channel::test_poll_channel_edge ... ok
[INFO] [stdout] test test_poll_channel::test_sending_from_other_thread_while_polling ... ok
[INFO] [stdout] test test_poll_channel::test_poll_channel_oneshot ... ok
[INFO] [stderr]    Doc-tests mio-extras
[INFO] [stdout] test test_timer::test_timer_with_looping_wheel ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.03s
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "1430827f10e70b46be7eca65b99098d4e6224518c92f2f66ae25ae784399bc16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1430827f10e70b46be7eca65b99098d4e6224518c92f2f66ae25ae784399bc16", kill_on_drop: false }`
[INFO] [stdout] 1430827f10e70b46be7eca65b99098d4e6224518c92f2f66ae25ae784399bc16