[INFO] fetching crate async-io 1.3.1...
[INFO] testing async-io-1.3.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate async-io 1.3.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate async-io 1.3.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-io 1.3.1
[INFO] finished tweaking crates.io crate async-io 1.3.1
[INFO] tweaked toml for crates.io crate async-io 1.3.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate async-io 1.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uds_windows v0.1.5
[INFO] [stderr]   Downloaded async-net v1.4.6
[INFO] [stderr]   Downloaded timerfd v1.1.1
[INFO] [stderr]   Downloaded futures-lite v1.11.0
[INFO] [stderr]   Downloaded async-io v1.1.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f380268760b6a1487e329938bd7944d256c95efc3ed4918e0de008306544441
[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" "7f380268760b6a1487e329938bd7944d256c95efc3ed4918e0de008306544441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f380268760b6a1487e329938bd7944d256c95efc3ed4918e0de008306544441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f380268760b6a1487e329938bd7944d256c95efc3ed4918e0de008306544441", kill_on_drop: false }`
[INFO] [stdout] 7f380268760b6a1487e329938bd7944d256c95efc3ed4918e0de008306544441
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08bb4c3ff438b50ee35ecd3278b3d2ca84b3676379ec136469aa900035f56ae5
[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" "08bb4c3ff438b50ee35ecd3278b3d2ca84b3676379ec136469aa900035f56ae5", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling polling v2.0.0
[INFO] [stderr]    Compiling futures-lite v1.11.0
[INFO] [stderr]    Compiling async-io v1.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.22s
[INFO] running `Command { std: "docker" "inspect" "08bb4c3ff438b50ee35ecd3278b3d2ca84b3676379ec136469aa900035f56ae5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08bb4c3ff438b50ee35ecd3278b3d2ca84b3676379ec136469aa900035f56ae5", kill_on_drop: false }`
[INFO] [stdout] 08bb4c3ff438b50ee35ecd3278b3d2ca84b3676379ec136469aa900035f56ae5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e173a104b3f134c61688e32eebfe66cf67ea5b677962bcdf9f0298209091370
[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" "1e173a104b3f134c61688e32eebfe66cf67ea5b677962bcdf9f0298209091370", kill_on_drop: false }`
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling async-channel v1.4.2
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling signal-hook-registry v1.2.1
[INFO] [stderr]    Compiling inotify-sys v0.1.3
[INFO] [stderr]    Compiling timerfd v1.1.1
[INFO] [stderr]    Compiling async-io v1.1.7
[INFO] [stderr]    Compiling inotify v0.8.3
[INFO] [stderr]    Compiling blocking v1.0.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling signal-hook v0.1.16
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling async-net v1.4.6
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling async-io v1.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 23.32s
[INFO] running `Command { std: "docker" "inspect" "1e173a104b3f134c61688e32eebfe66cf67ea5b677962bcdf9f0298209091370", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e173a104b3f134c61688e32eebfe66cf67ea5b677962bcdf9f0298209091370", kill_on_drop: false }`
[INFO] [stdout] 1e173a104b3f134c61688e32eebfe66cf67ea5b677962bcdf9f0298209091370
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 5f664853caa173dbd478a7ac6334f3d8d224d655fa86bd513e3b5ad607ffd661
[INFO] running `Command { std: "docker" "start" "-a" "5f664853caa173dbd478a7ac6334f3d8d224d655fa86bd513e3b5ad607ffd661", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/async_io-e672cb8112a924d4
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/async-be9eb49c02a0d556
[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 13 tests
[INFO] [stdout] test uds_send_to_recv_from ... ok
[INFO] [stdout] test tcp_peek_read ... ok
[INFO] [stdout] test shutdown ... ok
[INFO] [stdout] test udp_send_recv ... ok
[INFO] [stdout] test udp_connect ... ok
[INFO] [stdout] test uds_send_recv ... ok
[INFO] [stdout] test uds_connect ... ok
[INFO] [stdout] test tcp_connect ... ok
[INFO] [stdout] test tcp_duplex ... ok
[INFO] [stdout] test uds_writer_hangup ... ok
[INFO] [stdout] test tcp_writer_hangup ... ok
[INFO] [stdout] test uds_reader_hangup ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/timer-a64e4c4ffd536def
[INFO] [stdout] test tcp_reader_hangup ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test poll_across_tasks ... ok
[INFO] [stdout] test smoke ... ok
[INFO] [stdout] test interval ... ok
[INFO] [stderr]    Doc-tests async-io
[INFO] [stdout] test set ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 50 tests
[INFO] [stdout] test src/lib.rs - Async<T>::read_with (line 788) ... ok
[INFO] [stdout] test src/lib.rs - Async<T>::poll_readable (line 729) ... ok
[INFO] [stdout] test src/lib.rs - Async (line 476) ... ok
[INFO] [stdout] test src/lib.rs - Async<T>::write_with_mut (line 891) ... ok
[INFO] [stdout] test src/lib.rs - Async (line 458) ... ok
[INFO] [stdout] test src/lib.rs - Async<T>::write_with (line 857) ... ok
[INFO] [stdout] test src/lib.rs - Async<T>::read_with_mut (line 821) ... ok
[INFO] [stdout] test src/lib.rs - Async<TcpListener>::accept (line 1112) ... ok
[INFO] [stdout] test src/lib.rs - Async<T>::readable (line 677) ... ok
[INFO] [stdout] test src/lib.rs - Async<TcpListener>::incoming (line 1133) ... ok
[INFO] [stdout] test src/lib.rs - Async<UdpSocket>::peek (line 1362) ... ok
[INFO] [stdout] test src/lib.rs - Async<UdpSocket>::send (line 1387) ... ok
[INFO] [stdout] test src/lib.rs - Async<UdpSocket>::recv (line 1333) ... ok
[INFO] [stdout] test src/lib.rs - Async<UdpSocket>::recv_from (line 1259) ... ok
[INFO] [stdout] test src/lib.rs - Async<UdpSocket>::peek_from (line 1283) ... ok
[INFO] [stdout] test src/lib.rs - Async<UnixDatagram>::pair (line 1586) ... ok
[INFO] [stdout] test src/lib.rs - Async<UnixDatagram>::recv (line 1651) ... ok
[INFO] [stdout] test src/lib.rs - Async<UnixDatagram>::bind (line 1553) ... ok
[INFO] [stdout] test src/lib.rs - Async<UdpSocket>::send_to (line 1304) ... ok
[INFO] [stdout] test src/lib.rs - Async<UnixDatagram>::send (line 1676) ... ok
[INFO] [stdout] test src/lib.rs - Async<UnixDatagram>::recv_from (line 1605) ... ok
[INFO] [stdout] test src/lib.rs - Async<UnixDatagram>::unbound (line 1570) ... ok
[INFO] [stdout] test src/lib.rs - Async<UnixDatagram>::send_to (line 1626) ... ok
[INFO] [stdout] test src/lib.rs - Async<UnixListener>::accept (line 1439) ... ok
[INFO] [stdout] test src/lib.rs - Async<UnixListener>::bind (line 1418) ... ok
[INFO] [stdout] test src/lib.rs - Async<UnixStream>::connect (line 1499) ... ok
[INFO] [stdout] test src/lib.rs - Async<UnixStream>::pair (line 1524) ... ok
[INFO] [stdout] test src/lib.rs - Async<UnixListener>::incoming (line 1460) ... ok
[INFO] [stdout] test src/driver.rs - driver::block_on (line 93) ... ok
[INFO] [stdout] test src/lib.rs - Async<T>::new (line 516) ... ok
[INFO] [stdout] test src/lib.rs - Async<T>::into_inner (line 653) ... ok
[INFO] [stdout] test src/lib.rs - Async<T>::get_ref (line 617) ... ok
[INFO] [stdout] test src/lib.rs - Async<T>::get_mut (line 634) ... ok
[INFO] [stdout] test src/lib.rs - Async<TcpListener>::bind (line 1091) ... ok
[INFO] [stdout] test src/lib.rs - Async<UdpSocket>::bind (line 1236) ... ok
[INFO] [stdout] test src/lib.rs - Async<T>::poll_writable (line 760) ... ok
[INFO] [stdout] test src/lib.rs - Async<T>::writable (line 698) ... ok
[INFO] [stdout] test src/lib.rs - (line 38) ... ok
[INFO] [stdout] test src/lib.rs - Async<TcpStream>::peek (line 1199) ... ok
[INFO] [stdout] test src/lib.rs - Async<TcpStream>::connect (line 1170) ... ok
[INFO] [stdout] test src/lib.rs - Timer::interval_at (line 200) ... ok
[INFO] [stdout] test src/lib.rs - Timer::after (line 147) ... ok
[INFO] [stdout] test src/lib.rs - Timer (line 103) ... ok
[INFO] [stdout] test src/lib.rs - Timer::set_after (line 227) ... ok
[INFO] [stdout] test src/lib.rs - Timer::set_at (line 248) ... ok
[INFO] [stdout] test src/lib.rs - Timer::set_interval (line 283) ... ok
[INFO] [stdout] test src/lib.rs - Timer::set_interval_at (line 307) ... ok
[INFO] [stdout] test src/lib.rs - Timer::interval (line 182) ... ok
[INFO] [stdout] test src/lib.rs - Timer (line 114) ... ok
[INFO] [stdout] test src/lib.rs - Timer::at (line 163) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 50 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5f664853caa173dbd478a7ac6334f3d8d224d655fa86bd513e3b5ad607ffd661", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f664853caa173dbd478a7ac6334f3d8d224d655fa86bd513e3b5ad607ffd661", kill_on_drop: false }`
[INFO] [stdout] 5f664853caa173dbd478a7ac6334f3d8d224d655fa86bd513e3b5ad607ffd661