[INFO] fetching crate async-control 0.0.0...
[INFO] testing async-control-0.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate async-control 0.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate async-control 0.0.0 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-control 0.0.0
[INFO] finished tweaking crates.io crate async-control 0.0.0
[INFO] tweaked toml for crates.io crate async-control 0.0.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3752479b9c5fa31cfb5c984e0b4891d96010c202f48d6ad76d9befd884a9fe97
[INFO] running `Command { std: "docker" "start" "-a" "3752479b9c5fa31cfb5c984e0b4891d96010c202f48d6ad76d9befd884a9fe97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3752479b9c5fa31cfb5c984e0b4891d96010c202f48d6ad76d9befd884a9fe97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3752479b9c5fa31cfb5c984e0b4891d96010c202f48d6ad76d9befd884a9fe97", kill_on_drop: false }`
[INFO] [stdout] 3752479b9c5fa31cfb5c984e0b4891d96010c202f48d6ad76d9befd884a9fe97
[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=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] 7c6f7c8e1ad0b07258df8b44974961faa46e98858951caffad9f8472dd5750b2
[INFO] running `Command { std: "docker" "start" "-a" "7c6f7c8e1ad0b07258df8b44974961faa46e98858951caffad9f8472dd5750b2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling async-control v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "7c6f7c8e1ad0b07258df8b44974961faa46e98858951caffad9f8472dd5750b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c6f7c8e1ad0b07258df8b44974961faa46e98858951caffad9f8472dd5750b2", kill_on_drop: false }`
[INFO] [stdout] 7c6f7c8e1ad0b07258df8b44974961faa46e98858951caffad9f8472dd5750b2
[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=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] 955b26b3f683ce31088219f99f13b92962680aabb99a1c5d8be995170e3df792
[INFO] running `Command { std: "docker" "start" "-a" "955b26b3f683ce31088219f99f13b92962680aabb99a1c5d8be995170e3df792", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling async-control v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "955b26b3f683ce31088219f99f13b92962680aabb99a1c5d8be995170e3df792", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "955b26b3f683ce31088219f99f13b92962680aabb99a1c5d8be995170e3df792", kill_on_drop: false }`
[INFO] [stdout] 955b26b3f683ce31088219f99f13b92962680aabb99a1c5d8be995170e3df792
[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=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] dc21d01a155d359e70cf2d564fc1347301a92ac7da0af8de5b6ed13f549dcf08
[INFO] running `Command { std: "docker" "start" "-a" "dc21d01a155d359e70cf2d564fc1347301a92ac7da0af8de5b6ed13f549dcf08", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/async_control-9984623de02022a0)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests async-control
[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 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] running `Command { std: "docker" "inspect" "dc21d01a155d359e70cf2d564fc1347301a92ac7da0af8de5b6ed13f549dcf08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc21d01a155d359e70cf2d564fc1347301a92ac7da0af8de5b6ed13f549dcf08", kill_on_drop: false }`
[INFO] [stdout] dc21d01a155d359e70cf2d564fc1347301a92ac7da0af8de5b6ed13f549dcf08