[INFO] fetching crate tio 0.1.0...
[INFO] testing tio-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate tio 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate tio 0.1.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tio 0.1.0
[INFO] finished tweaking crates.io crate tio 0.1.0
[INFO] tweaked toml for crates.io crate tio 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-process v1.0.1
[INFO] [stderr]   Downloaded async-task v1.3.1
[INFO] [stderr]   Downloaded signal-hook v0.1.17
[INFO] [stderr]   Downloaded futures-timer v3.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b1590474481d282df21d45a859b1252e3e68f67178281773ba3ad79e341478e
[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" "3b1590474481d282df21d45a859b1252e3e68f67178281773ba3ad79e341478e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b1590474481d282df21d45a859b1252e3e68f67178281773ba3ad79e341478e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b1590474481d282df21d45a859b1252e3e68f67178281773ba3ad79e341478e", kill_on_drop: false }`
[INFO] [stdout] 3b1590474481d282df21d45a859b1252e3e68f67178281773ba3ad79e341478e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2473e8b1dfe5c9cd74730151ebf10c36140676ffbfc48c0611a083eda91d2aec
[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" "2473e8b1dfe5c9cd74730151ebf10c36140676ffbfc48c0611a083eda91d2aec", kill_on_drop: false }`
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling futures-io v0.3.8
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling async-task v1.3.1
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling futures-task v0.3.8
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling tio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.19s
[INFO] running `Command { std: "docker" "inspect" "2473e8b1dfe5c9cd74730151ebf10c36140676ffbfc48c0611a083eda91d2aec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2473e8b1dfe5c9cd74730151ebf10c36140676ffbfc48c0611a083eda91d2aec", kill_on_drop: false }`
[INFO] [stdout] 2473e8b1dfe5c9cd74730151ebf10c36140676ffbfc48c0611a083eda91d2aec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 98cedcbd5215114233adda9fc46ff9827cb9107b08d029060a101b9ad25c3a7e
[INFO] running `Command { std: "docker" "start" "-a" "98cedcbd5215114233adda9fc46ff9827cb9107b08d029060a101b9ad25c3a7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling fastrand v1.4.0
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling vec-arena v1.0.0
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling nb-connect v1.0.2
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling polling v2.0.2
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling signal-hook v0.1.17
[INFO] [stderr]    Compiling futures-lite v1.11.3
[INFO] [stderr]    Compiling async-channel v1.5.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling async-io v1.3.1
[INFO] [stderr]    Compiling async-executor v1.4.0
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling async-global-executor v1.4.3
[INFO] [stderr]    Compiling async-process v1.0.1
[INFO] [stderr]    Compiling async-std v1.8.0
[INFO] [stderr]    Compiling tio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 30.39s
[INFO] running `Command { std: "docker" "inspect" "98cedcbd5215114233adda9fc46ff9827cb9107b08d029060a101b9ad25c3a7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98cedcbd5215114233adda9fc46ff9827cb9107b08d029060a101b9ad25c3a7e", kill_on_drop: false }`
[INFO] [stdout] 98cedcbd5215114233adda9fc46ff9827cb9107b08d029060a101b9ad25c3a7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 1477a8ec788412da6cef88fe8da0662368549ba9b943b8c64a5c5b77f717b8fb
[INFO] running `Command { std: "docker" "start" "-a" "1477a8ec788412da6cef88fe8da0662368549ba9b943b8c64a5c5b77f717b8fb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tio-60b85c37867c3e4a
[INFO] [stdout] running 7 tests
[INFO] [stdout] test task::spawn::tests::unwind_uncaught ... ok
[INFO] [stdout] test task::blocking::tests::unwind_uncaught ... ok
[INFO] [stdout] test task::spawn::tests::basic ... ok
[INFO] [stdout] test task::blocking::tests::basic ... ok
[INFO] [stdout] test task::block::tests::recursive_block_on ... ok
[INFO] [stdout] test task::spawn::tests::unwind_caught ... ok
[INFO] [stdout] test task::blocking::tests::unwind_caught ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tio
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/task.rs - task (line 22) ... ok
[INFO] [stdout] test src/net/util.rs - net::util::Resolver::resolve (line 20) ... FAILED
[INFO] [stdout] test src/task/block.rs - task::block::block_on (line 55) ... ok
[INFO] [stdout] test src/net.rs - net (line 30) ... FAILED
[INFO] [stdout] test src/task/yield_now.rs - task::yield_now::yield_now (line 18) ... ok
[INFO] [stdout] test src/task.rs - task (line 36) ... ok
[INFO] [stdout] test src/task/blocking.rs - task::blocking::spawn_blocking (line 74) ... ok
[INFO] [stdout] test src/task/spawn.rs - task::spawn::spawn (line 97) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/net/util.rs - net::util::Resolver::resolve (line 20) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `tio::net::TcpStream`
[INFO] [stdout]  --> src/net/util.rs:23:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tio::net::{TcpStream, Resolver};
[INFO] [stdout]   |                ^^^^^^^^^ no `TcpStream` in `net`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/net.rs - net (line 30) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `tio::net::UdpSocket`
[INFO] [stdout]  --> src/net.rs:33:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tio::net::UdpSocket;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^ no `UdpSocket` in `net`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/net.rs - net (line 30)
[INFO] [stdout]     src/net/util.rs - net::util::Resolver::resolve (line 20)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 6 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.23s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "1477a8ec788412da6cef88fe8da0662368549ba9b943b8c64a5c5b77f717b8fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1477a8ec788412da6cef88fe8da0662368549ba9b943b8c64a5c5b77f717b8fb", kill_on_drop: false }`
[INFO] [stdout] 1477a8ec788412da6cef88fe8da0662368549ba9b943b8c64a5c5b77f717b8fb