[INFO] fetching crate async-executor 1.4.1...
[INFO] testing async-executor-1.4.1 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate async-executor 1.4.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate async-executor 1.4.1 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-executor 1.4.1
[INFO] finished tweaking crates.io crate async-executor 1.4.1
[INFO] tweaked toml for crates.io crate async-executor 1.4.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate async-executor 1.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c7f621cd679fd2075ba7c9c722589cc5e8ba243be96919f8673a70f011a85a1
[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" "8c7f621cd679fd2075ba7c9c722589cc5e8ba243be96919f8673a70f011a85a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c7f621cd679fd2075ba7c9c722589cc5e8ba243be96919f8673a70f011a85a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c7f621cd679fd2075ba7c9c722589cc5e8ba243be96919f8673a70f011a85a1", kill_on_drop: false }`
[INFO] [stdout] 8c7f621cd679fd2075ba7c9c722589cc5e8ba243be96919f8673a70f011a85a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e40c21ccb0e452711bf5036e998db833b2051b3bed492eede6ca79ff8872bf3
[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" "7e40c21ccb0e452711bf5036e998db833b2051b3bed492eede6ca79ff8872bf3", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling futures-io v0.3.14
[INFO] [stderr]    Compiling futures-core v0.3.14
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling futures-lite v1.11.3
[INFO] [stderr]    Compiling async-executor v1.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.02s
[INFO] running `Command { std: "docker" "inspect" "7e40c21ccb0e452711bf5036e998db833b2051b3bed492eede6ca79ff8872bf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e40c21ccb0e452711bf5036e998db833b2051b3bed492eede6ca79ff8872bf3", kill_on_drop: false }`
[INFO] [stdout] 7e40c21ccb0e452711bf5036e998db833b2051b3bed492eede6ca79ff8872bf3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b402d380843aa9d9b807e5069b38f2c15b3f6e581eeae08a388e878d04f6879e
[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" "b402d380843aa9d9b807e5069b38f2c15b3f6e581eeae08a388e878d04f6879e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling easy-parallel v3.1.0
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling polling v2.0.3
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling async-io v1.4.0
[INFO] [stderr]    Compiling async-executor v1.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.03s
[INFO] running `Command { std: "docker" "inspect" "b402d380843aa9d9b807e5069b38f2c15b3f6e581eeae08a388e878d04f6879e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b402d380843aa9d9b807e5069b38f2c15b3f6e581eeae08a388e878d04f6879e", kill_on_drop: false }`
[INFO] [stdout] b402d380843aa9d9b807e5069b38f2c15b3f6e581eeae08a388e878d04f6879e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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] 27b2613c39e30e7655c9cb757b79b192abd940062920fd9a784eaabe2b8237c6
[INFO] running `Command { std: "docker" "start" "-a" "27b2613c39e30e7655c9cb757b79b192abd940062920fd9a784eaabe2b8237c6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/async_executor-ea12a8a52a66023c)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/drop.rs (/opt/rustwide/target/debug/deps/drop-cb493e19801d25d8)
[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] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test await_task_after_dropping_executor ... ok
[INFO] [stdout] test leaked_executor_leaks_everything ... ok
[INFO] [stdout] test drop_executor_and_then_drop_finished_task ... ok
[INFO] [stdout] test drop_finished_task_and_then_drop_executor ... ok
[INFO] [stdout] test executor_cancels_everything ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests async-executor
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test src/lib.rs - Executor::new (line 83) ... ok
[INFO] [stdout] test src/lib.rs - LocalExecutor::new (line 315) ... ok
[INFO] [stdout] test src/lib.rs - LocalExecutor (line 288) ... ok
[INFO] [stdout] test src/lib.rs - LocalExecutor::tick (line 416) ... ok
[INFO] [stdout] test src/lib.rs - LocalExecutor::try_tick (line 393) ... ok
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] test src/lib.rs - Executor::spawn (line 121) ... ok
[INFO] [stdout] test src/lib.rs - Executor::try_tick (line 161) ... ok
[INFO] [stdout] test src/lib.rs - Executor::is_empty (line 99) ... ok
[INFO] [stdout] test src/lib.rs - LocalExecutor::spawn (line 353) ... ok
[INFO] [stdout] test src/lib.rs - LocalExecutor::is_empty (line 331) ... ok
[INFO] [stdout] test src/lib.rs - Executor::tick (line 195) ... ok
[INFO] [stdout] test src/lib.rs - Executor::run (line 216) ... ok
[INFO] [stdout] test src/lib.rs - LocalExecutor::run (line 435) ... ok
[INFO] [stdout] test src/lib.rs - Executor (line 45) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.43s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "27b2613c39e30e7655c9cb757b79b192abd940062920fd9a784eaabe2b8237c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27b2613c39e30e7655c9cb757b79b192abd940062920fd9a784eaabe2b8237c6", kill_on_drop: false }`
[INFO] [stdout] 27b2613c39e30e7655c9cb757b79b192abd940062920fd9a784eaabe2b8237c6