[INFO] fetching crate async-executor 1.4.1...
[INFO] testing async-executor-1.4.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate async-executor 1.4.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate async-executor 1.4.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-8/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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-io v1.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a90367a8a6eb276d0e61f56a477b0b962020361393b0f3a971865be0cba946ea
[INFO] running `Command { std: "docker" "start" "-a" "a90367a8a6eb276d0e61f56a477b0b962020361393b0f3a971865be0cba946ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a90367a8a6eb276d0e61f56a477b0b962020361393b0f3a971865be0cba946ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a90367a8a6eb276d0e61f56a477b0b962020361393b0f3a971865be0cba946ea", kill_on_drop: false }`
[INFO] [stdout] a90367a8a6eb276d0e61f56a477b0b962020361393b0f3a971865be0cba946ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 471429f0b2e8ed08df075dd2c6bd9929847d9eca78fbc68f69d4c5ae5dd1b2e3
[INFO] running `Command { std: "docker" "start" "-a" "471429f0b2e8ed08df075dd2c6bd9929847d9eca78fbc68f69d4c5ae5dd1b2e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling futures-core v0.3.14
[INFO] [stderr]    Compiling futures-io v0.3.14
[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 2.92s
[INFO] running `Command { std: "docker" "inspect" "471429f0b2e8ed08df075dd2c6bd9929847d9eca78fbc68f69d4c5ae5dd1b2e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "471429f0b2e8ed08df075dd2c6bd9929847d9eca78fbc68f69d4c5ae5dd1b2e3", kill_on_drop: false }`
[INFO] [stdout] 471429f0b2e8ed08df075dd2c6bd9929847d9eca78fbc68f69d4c5ae5dd1b2e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2df4c7c401c8773cf7e6867b5a57ca1ed238c7cabcd03683c5d0344ecc133e45
[INFO] running `Command { std: "docker" "start" "-a" "2df4c7c401c8773cf7e6867b5a57ca1ed238c7cabcd03683c5d0344ecc133e45", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling log v0.4.14
[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 5.27s
[INFO] running `Command { std: "docker" "inspect" "2df4c7c401c8773cf7e6867b5a57ca1ed238c7cabcd03683c5d0344ecc133e45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2df4c7c401c8773cf7e6867b5a57ca1ed238c7cabcd03683c5d0344ecc133e45", kill_on_drop: false }`
[INFO] [stdout] 2df4c7c401c8773cf7e6867b5a57ca1ed238c7cabcd03683c5d0344ecc133e45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a6577ad9b7cd23cb1554c9f1cfbff3f3226ce20d38ec09bd52d0f4b89c51c472
[INFO] running `Command { std: "docker" "start" "-a" "a6577ad9b7cd23cb1554c9f1cfbff3f3226ce20d38ec09bd52d0f4b89c51c472", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/async_executor-7f2dfc2340e2d633)
[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/drop.rs (/opt/rustwide/target/debug/deps/drop-90b07887a09d9c32)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test drop_finished_task_and_then_drop_executor ... ok
[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] [stderr]    Doc-tests async-executor
[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] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test src/lib.rs - LocalExecutor::new (line 315) ... ok
[INFO] [stdout] test src/lib.rs - Executor::new (line 83) ... ok
[INFO] [stdout] test src/lib.rs - LocalExecutor::spawn (line 353) ... ok
[INFO] [stdout] test src/lib.rs - Executor::spawn (line 121) ... ok
[INFO] [stdout] test src/lib.rs - Executor::is_empty (line 99) ... ok
[INFO] [stdout] test src/lib.rs - Executor::try_tick (line 161) ... ok
[INFO] [stdout] test src/lib.rs - Executor::run (line 216) ... ok
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] test src/lib.rs - LocalExecutor::try_tick (line 393) ... ok
[INFO] [stdout] test src/lib.rs - LocalExecutor::tick (line 416) ... ok
[INFO] [stdout] test src/lib.rs - Executor::tick (line 195) ... ok
[INFO] [stdout] test src/lib.rs - LocalExecutor::is_empty (line 331) ... ok
[INFO] [stdout] test src/lib.rs - LocalExecutor::run (line 435) ... ok
[INFO] [stdout] test src/lib.rs - LocalExecutor (line 288) ... 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 1.97s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a6577ad9b7cd23cb1554c9f1cfbff3f3226ce20d38ec09bd52d0f4b89c51c472", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6577ad9b7cd23cb1554c9f1cfbff3f3226ce20d38ec09bd52d0f4b89c51c472", kill_on_drop: false }`
[INFO] [stdout] a6577ad9b7cd23cb1554c9f1cfbff3f3226ce20d38ec09bd52d0f4b89c51c472