[INFO] fetching crate async-task-group 0.2.1...
[INFO] testing async-task-group-0.2.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate async-task-group 0.2.1 into /workspace/builds/worker-68/source
[INFO] validating manifest of crates.io crate async-task-group 0.2.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-task-group 0.2.1
[INFO] finished tweaking crates.io crate async-task-group 0.2.1
[INFO] tweaked toml for crates.io crate async-task-group 0.2.1 written to /workspace/builds/worker-68/source/Cargo.toml
[INFO] crate crates.io crate async-task-group 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 236215fcbc1774dff22e040f39b6e71608fb3a8fe40121bacd011328ef7b97b7
[INFO] running `Command { std: "docker" "start" "-a" "236215fcbc1774dff22e040f39b6e71608fb3a8fe40121bacd011328ef7b97b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "236215fcbc1774dff22e040f39b6e71608fb3a8fe40121bacd011328ef7b97b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "236215fcbc1774dff22e040f39b6e71608fb3a8fe40121bacd011328ef7b97b7", kill_on_drop: false }`
[INFO] [stdout] 236215fcbc1774dff22e040f39b6e71608fb3a8fe40121bacd011328ef7b97b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0aa1f6250ea497236f5ceb730e432f71443a1e5333b08672563adad780bfe951
[INFO] running `Command { std: "docker" "start" "-a" "0aa1f6250ea497236f5ceb730e432f71443a1e5333b08672563adad780bfe951", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling futures-io v0.3.17
[INFO] [stderr]    Compiling fastrand v1.5.0
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling signal-hook v0.3.10
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling async-lock v2.4.0
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.7
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling socket2 v0.4.2
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling async-executor v1.4.1
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling polling v2.1.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling async-io v1.6.0
[INFO] [stderr]    Compiling async-process v1.2.0
[INFO] [stderr]    Compiling async-global-executor v2.0.2
[INFO] [stderr]    Compiling async-std v1.10.0
[INFO] [stderr]    Compiling async-task-group v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.41s
[INFO] running `Command { std: "docker" "inspect" "0aa1f6250ea497236f5ceb730e432f71443a1e5333b08672563adad780bfe951", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0aa1f6250ea497236f5ceb730e432f71443a1e5333b08672563adad780bfe951", kill_on_drop: false }`
[INFO] [stdout] 0aa1f6250ea497236f5ceb730e432f71443a1e5333b08672563adad780bfe951
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8afb74b78bdf85f3c2d517927bf60c3356b34a41faad1ec7abd10166db22cdc4
[INFO] running `Command { std: "docker" "start" "-a" "8afb74b78bdf85f3c2d517927bf60c3356b34a41faad1ec7abd10166db22cdc4", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]    Compiling async-task-group v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.68s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/async_task_group-85e806dcd2669c03)
[INFO] running `Command { std: "docker" "inspect" "8afb74b78bdf85f3c2d517927bf60c3356b34a41faad1ec7abd10166db22cdc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8afb74b78bdf85f3c2d517927bf60c3356b34a41faad1ec7abd10166db22cdc4", kill_on_drop: false }`
[INFO] [stdout] 8afb74b78bdf85f3c2d517927bf60c3356b34a41faad1ec7abd10166db22cdc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e37d1df71f8a799310a916003d2a6a02dedead225d178ea9dce70f148bc9142e
[INFO] running `Command { std: "docker" "start" "-a" "e37d1df71f8a799310a916003d2a6a02dedead225d178ea9dce70f148bc9142e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/async_task_group-85e806dcd2669c03)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test::no_task ... ok
[INFO] [stdout] test test::root_task_errors ... ok
[INFO] [stdout] test test::one_empty_task ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests async-task-group
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 30) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e37d1df71f8a799310a916003d2a6a02dedead225d178ea9dce70f148bc9142e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e37d1df71f8a799310a916003d2a6a02dedead225d178ea9dce70f148bc9142e", kill_on_drop: false }`
[INFO] [stdout] e37d1df71f8a799310a916003d2a6a02dedead225d178ea9dce70f148bc9142e