[INFO] fetching crate async-task 4.1.0...
[INFO] testing async-task-4.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate async-task 4.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate async-task 4.1.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-task 4.1.0
[INFO] finished tweaking crates.io crate async-task 4.1.0
[INFO] tweaked toml for crates.io crate async-task 4.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate async-task 4.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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 flaky_test v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77653b55ac0d32f41d41b83ad9c32d9e7626d8fb7ddff271cd54b8de1f8fbf02
[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" "77653b55ac0d32f41d41b83ad9c32d9e7626d8fb7ddff271cd54b8de1f8fbf02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77653b55ac0d32f41d41b83ad9c32d9e7626d8fb7ddff271cd54b8de1f8fbf02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77653b55ac0d32f41d41b83ad9c32d9e7626d8fb7ddff271cd54b8de1f8fbf02", kill_on_drop: false }`
[INFO] [stdout] 77653b55ac0d32f41d41b83ad9c32d9e7626d8fb7ddff271cd54b8de1f8fbf02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa77d58bca0f3c439abcb6db7bcd3321b0a7ee8c879abc663f0ef74f3c8af6b0
[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" "aa77d58bca0f3c439abcb6db7bcd3321b0a7ee8c879abc663f0ef74f3c8af6b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-task v4.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `Command { std: "docker" "inspect" "aa77d58bca0f3c439abcb6db7bcd3321b0a7ee8c879abc663f0ef74f3c8af6b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa77d58bca0f3c439abcb6db7bcd3321b0a7ee8c879abc663f0ef74f3c8af6b0", kill_on_drop: false }`
[INFO] [stdout] aa77d58bca0f3c439abcb6db7bcd3321b0a7ee8c879abc663f0ef74f3c8af6b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "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] 37a999e7af328f877ea92bb045aafaabff24e2af421fd12db6649a4d8cd8d1cf
[INFO] running `Command { std: "docker" "start" "-a" "37a999e7af328f877ea92bb045aafaabff24e2af421fd12db6649a4d8cd8d1cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.113
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling signal-hook v0.3.13
[INFO] [stderr]    Compiling easy-parallel v3.2.0
[INFO] [stderr]    Compiling async-lock v2.4.0
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling flume v0.10.10
[INFO] [stderr]    Compiling flaky_test v0.1.0
[INFO] [stderr]    Compiling blocking v1.1.0
[INFO] [stderr]    Compiling async-executor v1.4.1
[INFO] [stderr]    Compiling async-fs v1.5.0
[INFO] [stderr]    Compiling polling v2.2.0
[INFO] [stderr]    Compiling socket2 v0.4.3
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling async-io v1.6.0
[INFO] [stderr]    Compiling async-net v1.6.1
[INFO] [stderr]    Compiling async-process v1.3.0
[INFO] [stderr]    Compiling smol v1.2.5
[INFO] [stderr]    Compiling async-task v4.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 21.50s
[INFO] running `Command { std: "docker" "inspect" "37a999e7af328f877ea92bb045aafaabff24e2af421fd12db6649a4d8cd8d1cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37a999e7af328f877ea92bb045aafaabff24e2af421fd12db6649a4d8cd8d1cf", kill_on_drop: false }`
[INFO] [stdout] 37a999e7af328f877ea92bb045aafaabff24e2af421fd12db6649a4d8cd8d1cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "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] b8ce2609994dc88f0f8c96da0a9617fc753350265c30ea15763df4da3bc52e91
[INFO] running `Command { std: "docker" "start" "-a" "b8ce2609994dc88f0f8c96da0a9617fc753350265c30ea15763df4da3bc52e91", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/async_task-0cbcba19dd60d12f)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/basic.rs (/opt/rustwide/target/debug/deps/basic-ef5d474deb7cf781)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test detach_and_run ... ok
[INFO] [stdout] test schedule ... ok
[INFO] [stdout] test detach_and_drop ... ok
[INFO] [stdout] test cancel_join ... ok
[INFO] [stdout] test run_and_cancel ... ok
[INFO] [stdout] test schedule_counter ... ok
[INFO] [stdout] test waker ... ok
[INFO] [stdout] test run_and_detach ... ok
[INFO] [stdout] test drop_inside_schedule ... ok
[INFO] [stdout] test drop_and_detach ... ok
[INFO] [stderr]      Running tests/cancel.rs (/opt/rustwide/target/debug/deps/cancel-cb59b5a6c481c516)
[INFO] [stdout] test cancel_and_run ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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 0.61s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/join.rs (/opt/rustwide/target/debug/deps/join-c2d0ac51f3e90694)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test await_output ... ok
[INFO] [stdout] test run_and_join ... ok
[INFO] [stdout] test detach_and_run ... ok
[INFO] [stdout] test join_twice ... ok
[INFO] [stdout] test drop_and_join ... 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_run ... ok
[INFO] [stdout] test join_and_cancel ... 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-59e42b5aecfc4b2b)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test run_and_join ... ok
[INFO] [stdout] test try_join_and_run_and_join ... ok
[INFO] [stdout] test try_join_during_run ... ok
[INFO] [stdout] test detach_during_run ... ok
[INFO] [stdout] test cancel_during_run ... ok
[INFO] [stderr]      Running tests/ready.rs (/opt/rustwide/target/debug/deps/ready-a1ec8278b5eb42c0)
[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 0.63s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test try_join_during_run ... ok
[INFO] [stdout] test detach_during_run ... ok
[INFO] [stderr]      Running tests/waker_panic.rs (/opt/rustwide/target/debug/deps/waker_panic-f0f57437af760099)
[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] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test panic_and_poll ... ok
[INFO] [stderr]      Running tests/waker_pending.rs (/opt/rustwide/target/debug/deps/waker_pending-40943db3cc3da213)
[INFO] [stdout] test cancel_during_run ... ok
[INFO] [stdout] test wake_during_run ... ok
[INFO] [stdout] test cancel_and_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] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test cancel_last_task ... ok
[INFO] [stdout] test drop_last_waker ... ok
[INFO] [stdout] test drop_last_task ... ok
[INFO] [stdout] test cancel_and_wake_during_run ... ok
[INFO] [stdout] test wake_and_cancel_during_run ... ok
[INFO] [stdout] test cancel_during_run ... ok
[INFO] [stderr]      Running tests/waker_ready.rs (/opt/rustwide/target/debug/deps/waker_ready-e166e85478a74892)
[INFO] [stdout] test wake_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 clone ... ok
[INFO] [stdout] test wake_completed ... ok
[INFO] [stderr]    Doc-tests async-task
[INFO] [stdout] test wake_by_ref ... ok
[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 17 tests
[INFO] [stdout] test src/lib.rs - (line 46) - compile ... ok
[INFO] [stdout] test src/task.rs - task::FallibleTask<T>::cancel (line 474) ... FAILED
[INFO] [stdout] test src/task.rs - task::FallibleTask<T>::detach (line 444) ... FAILED
[INFO] [stdout] test src/task.rs - task::Task<T>::fallible (line 139) ... FAILED
[INFO] [stdout] test src/runnable.rs - runnable::spawn (line 32) ... ok
[INFO] [stdout] test src/runnable.rs - runnable::Runnable::schedule (line 253) ... ok
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] test src/runnable.rs - runnable::spawn_local (line 63) ... ok
[INFO] [stdout] test src/lib.rs - (line 25) ... ok
[INFO] [stdout] test src/runnable.rs - runnable::spawn_unchecked (line 161) ... ok
[INFO] [stdout] test src/runnable.rs - runnable::Runnable::waker (line 316) ... ok
[INFO] [stdout] test src/task.rs - task::Task<T>::fallible (line 159) ... ok
[INFO] [stdout] test src/task.rs - task::Task (line 28) ... ok
[INFO] [stdout] test src/runnable.rs - runnable::Runnable::run (line 292) ... ok
[INFO] [stdout] test src/task.rs - task::Task<T>::detach (line 70) ... 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] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/task.rs - task::FallibleTask<T>::cancel (line 474) stdout ----
[INFO] [stdout] error[E0599]: no method named `fallible` found for struct `Task` in the current scope
[INFO] [stdout]   --> src/task.rs:488:2
[INFO] [stdout]    |
[INFO] [stdout] 17 | .fallible();
[INFO] [stdout]    |  ^^^^^^^^ method not found in `Task<_>`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/task.rs - task::FallibleTask<T>::detach (line 444) stdout ----
[INFO] [stdout] error[E0599]: no method named `fallible` found for struct `Task` in the current scope
[INFO] [stdout]   --> src/task.rs:457:2
[INFO] [stdout]    |
[INFO] [stdout] 16 | .fallible()
[INFO] [stdout]    |  ^^^^^^^^ method not found in `Task<_>`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/task.rs - task::Task<T>::fallible (line 139) stdout ----
[INFO] [stdout] error[E0599]: no method named `fallible` found for struct `Task` in the current scope
[INFO] [stdout]   --> src/task.rs:150:2
[INFO] [stdout]    |
[INFO] [stdout] 14 | .fallible();
[INFO] [stdout]    |  ^^^^^^^^ method not found in `Task<{integer}>`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/task.rs - task::FallibleTask<T>::cancel (line 474)
[INFO] [stdout]     src/task.rs - task::FallibleTask<T>::detach (line 444)
[INFO] [stdout]     src/task.rs - task::Task<T>::fallible (line 139)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 14 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 8.17s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "b8ce2609994dc88f0f8c96da0a9617fc753350265c30ea15763df4da3bc52e91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8ce2609994dc88f0f8c96da0a9617fc753350265c30ea15763df4da3bc52e91", kill_on_drop: false }`
[INFO] [stdout] b8ce2609994dc88f0f8c96da0a9617fc753350265c30ea15763df4da3bc52e91