[INFO] fetching crate async-task 4.0.3...
[INFO] testing async-task-4.0.3 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate async-task 4.0.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate async-task 4.0.3 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-task 4.0.3
[INFO] finished tweaking crates.io crate async-task 4.0.3
[INFO] tweaked toml for crates.io crate async-task 4.0.3 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate async-task 4.0.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--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 async-channel v1.4.2
[INFO] [stderr]   Downloaded async-process v1.0.0
[INFO] [stderr]   Downloaded polling v1.0.3
[INFO] [stderr]   Downloaded async-semaphore v1.1.0
[INFO] [stderr]   Downloaded async-mutex v1.3.0
[INFO] [stderr]   Downloaded flume v0.9.0
[INFO] [stderr]   Downloaded async-executor v1.1.1
[INFO] [stderr]   Downloaded async-barrier v1.0.1
[INFO] [stderr]   Downloaded async-fs v1.3.0
[INFO] [stderr]   Downloaded nb-connect v1.0.0
[INFO] [stderr]   Downloaded async-lock v2.1.3
[INFO] [stderr]   Downloaded async-io v1.1.2
[INFO] [stderr]   Downloaded futures-lite v1.7.0
[INFO] [stderr]   Downloaded fastrand v1.3.5
[INFO] [stderr]   Downloaded blocking v1.0.0
[INFO] [stderr]   Downloaded async-rwlock v1.1.0
[INFO] [stderr]   Downloaded async-net v1.3.0
[INFO] [stderr]   Downloaded smol v1.0.1
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a6586ce1b56ad436ef7f0755374342d8d3c8565367603312497f152f5de2f48
[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" "5a6586ce1b56ad436ef7f0755374342d8d3c8565367603312497f152f5de2f48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a6586ce1b56ad436ef7f0755374342d8d3c8565367603312497f152f5de2f48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a6586ce1b56ad436ef7f0755374342d8d3c8565367603312497f152f5de2f48", kill_on_drop: false }`
[INFO] [stdout] 5a6586ce1b56ad436ef7f0755374342d8d3c8565367603312497f152f5de2f48
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3f1d2043de8b8c46f45eec38f39b73b2cae7097b229ac2a3ee290140eb6bb78
[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" "e3f1d2043de8b8c46f45eec38f39b73b2cae7097b229ac2a3ee290140eb6bb78", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-task v4.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "e3f1d2043de8b8c46f45eec38f39b73b2cae7097b229ac2a3ee290140eb6bb78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3f1d2043de8b8c46f45eec38f39b73b2cae7097b229ac2a3ee290140eb6bb78", kill_on_drop: false }`
[INFO] [stdout] e3f1d2043de8b8c46f45eec38f39b73b2cae7097b229ac2a3ee290140eb6bb78
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c52d6a02f50250fa87ea18eecc8cf6334e76a78a32be31e878923847539f7619
[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" "c52d6a02f50250fa87ea18eecc8cf6334e76a78a32be31e878923847539f7619", kill_on_drop: false }`
[INFO] [stderr]    Compiling event-listener v2.4.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling fastrand v1.3.5
[INFO] [stderr]    Compiling pin-project-lite v0.1.7
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling once_cell v1.4.1
[INFO] [stderr]    Compiling arc-swap v0.4.7
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling async-task v3.0.0
[INFO] [stderr]    Compiling easy-parallel v3.1.0
[INFO] [stderr]    Compiling lock_api v0.4.1
[INFO] [stderr]    Compiling async-channel v1.4.2
[INFO] [stderr]    Compiling async-mutex v1.3.0
[INFO] [stderr]    Compiling async-semaphore v1.1.0
[INFO] [stderr]    Compiling async-barrier v1.0.1
[INFO] [stderr]    Compiling async-rwlock v1.1.0
[INFO] [stderr]    Compiling spinning_top v0.2.2
[INFO] [stderr]    Compiling async-lock v2.1.3
[INFO] [stderr]    Compiling flume v0.9.0
[INFO] [stderr]    Compiling futures-lite v1.7.0
[INFO] [stderr]    Compiling polling v1.0.3
[INFO] [stderr]    Compiling nb-connect v1.0.0
[INFO] [stderr]    Compiling signal-hook-registry v1.2.1
[INFO] [stderr]    Compiling signal-hook v0.1.16
[INFO] [stderr]    Compiling blocking v1.0.0
[INFO] [stderr]    Compiling async-io v1.1.2
[INFO] [stderr]    Compiling async-executor v1.1.1
[INFO] [stderr]    Compiling async-fs v1.3.0
[INFO] [stderr]    Compiling async-process v1.0.0
[INFO] [stderr]    Compiling async-net v1.3.0
[INFO] [stderr]    Compiling smol v1.0.1
[INFO] [stderr]    Compiling async-task v4.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 24.83s
[INFO] running `Command { std: "docker" "inspect" "c52d6a02f50250fa87ea18eecc8cf6334e76a78a32be31e878923847539f7619", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c52d6a02f50250fa87ea18eecc8cf6334e76a78a32be31e878923847539f7619", kill_on_drop: false }`
[INFO] [stdout] c52d6a02f50250fa87ea18eecc8cf6334e76a78a32be31e878923847539f7619
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7edf536edc258f102040557f706e774a19ae38d79b358ce19438b716c3b30b2f
[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" "7edf536edc258f102040557f706e774a19ae38d79b358ce19438b716c3b30b2f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/async_task-821c0ce7ea9d902a)
[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]      Running tests/basic.rs (/opt/rustwide/target/debug/deps/basic-a7baf343354cb5a9)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test cancel_and_run ... ok
[INFO] [stdout] test cancel_join ... ok
[INFO] [stdout] test detach_and_run ... ok
[INFO] [stdout] test drop_and_detach ... ok
[INFO] [stdout] test drop_inside_schedule ... ok
[INFO] [stdout] test run_and_cancel ... ok
[INFO] [stdout] test waker ... ok
[INFO] [stdout] test detach_and_drop ... ok
[INFO] [stdout] test run_and_detach ... ok
[INFO] [stdout] test schedule ... ok
[INFO] [stdout] test schedule_counter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/cancel.rs (/opt/rustwide/target/debug/deps/cancel-203a7396af7eb1c7)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test run_and_cancel ... ok
[INFO] [stdout] test cancel_and_run ... ok
[INFO] [stdout] test cancel_during_run ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.60s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/join.rs (/opt/rustwide/target/debug/deps/join-3f8439520acdd171)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test detach_and_run ... ok
[INFO] [stdout] test await_output ... ok
[INFO] [stdout] test run_and_join ... ok
[INFO] [stdout] test drop_and_join ... ok
[INFO] [stdout] test join_twice ... ok
[INFO] [stdout] test try_join_and_cancel_and_run ... ok
[INFO] [stdout] test try_join_and_run_and_cancel ... ok
[INFO] [stdout] test join_and_cancel ... ok
[INFO] [stdout] test join_and_run ... ok
[INFO] [stdout] test try_join_and_run_and_join ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.61s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/panic.rs (/opt/rustwide/target/debug/deps/panic-99f91b28ad6476e7)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test detach_during_run ... ok
[INFO] [stdout] test cancel_during_run ... ok
[INFO] [stdout] test try_join_during_run ... ok
[INFO] [stdout] test try_join_and_run_and_join ... ok
[INFO] [stdout] test run_and_join ... ok
[INFO] [stdout] test join_during_run ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.62s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/ready.rs (/opt/rustwide/target/debug/deps/ready-f60324d3acff1f48)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test detach_during_run ... ok
[INFO] [stdout] test try_join_during_run ... ok
[INFO] [stdout] test cancel_during_run ... ok
[INFO] [stdout] test join_during_run ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.60s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/waker_panic.rs (/opt/rustwide/target/debug/deps/waker_panic-2c02de4935c72219)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test panic_and_poll ... ok
[INFO] [stdout] test cancel_during_run ... ok
[INFO] [stdout] test cancel_and_wake_during_run ... ok
[INFO] [stdout] test wake_during_run ... ok
[INFO] [stdout] test wake_and_cancel_during_run ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/waker_pending.rs (/opt/rustwide/target/debug/deps/waker_pending-3b3134537e211185)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test drop_last_task ... ok
[INFO] [stdout] test drop_last_waker ... ok
[INFO] [stdout] test cancel_last_task ... ok
[INFO] [stdout] test cancel_and_wake_during_run ... ok
[INFO] [stdout] test wake_and_cancel_during_run ... ok
[INFO] [stdout] test wake_during_run ... ok
[INFO] [stderr]      Running tests/waker_ready.rs (/opt/rustwide/target/debug/deps/waker_ready-2387d1c57f603796)
[INFO] [stdout] test cancel_during_run ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test wake_dropped ... ok
[INFO] [stdout] test wake_completed ... ok
[INFO] [stdout] test clone ... ok
[INFO] [stdout] test wake_by_ref ... ok
[INFO] [stderr]    Doc-tests async-task
[INFO] [stdout] test wake ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.41s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test src/lib.rs - (line 46) ... ok
[INFO] [stdout] test src/runnable.rs - runnable::spawn_unchecked (line 161) ... ok
[INFO] [stdout] test src/runnable.rs - runnable::Runnable::schedule (line 253) ... ok
[INFO] [stdout] test src/lib.rs - (line 25) ... ok
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] test src/runnable.rs - runnable::spawn (line 32) ... ok
[INFO] [stdout] test src/runnable.rs - runnable::spawn_local (line 63) ... ok
[INFO] [stdout] test src/task.rs - task::Task<T>::detach (line 70) ... ok
[INFO] [stdout] test src/task.rs - task::Task (line 28) ... ok
[INFO] [stdout] test src/runnable.rs - runnable::Runnable::waker (line 316) ... ok
[INFO] [stdout] test src/runnable.rs - runnable::Runnable::run (line 292) ... ok
[INFO] [stdout] test src/runnable.rs - runnable::Runnable (line 209) ... ok
[INFO] [stdout] test src/task.rs - task::Task<T>::cancel (line 101) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 11.11s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7edf536edc258f102040557f706e774a19ae38d79b358ce19438b716c3b30b2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7edf536edc258f102040557f706e774a19ae38d79b358ce19438b716c3b30b2f", kill_on_drop: false }`
[INFO] [stdout] 7edf536edc258f102040557f706e774a19ae38d79b358ce19438b716c3b30b2f