[INFO] fetching crate futures-macro-async-preview 0.2.2...
[INFO] testing futures-macro-async-preview-0.2.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate futures-macro-async-preview 0.2.2 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate futures-macro-async-preview 0.2.2 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures-macro-async-preview 0.2.2
[INFO] finished tweaking crates.io crate futures-macro-async-preview 0.2.2
[INFO] tweaked toml for crates.io crate futures-macro-async-preview 0.2.2 written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 945ae92bcf285b77809d8a01ae38d7483dd315dde1e10663e88da8a4f4bf0c98
[INFO] running `Command { std: "docker" "start" "-a" "945ae92bcf285b77809d8a01ae38d7483dd315dde1e10663e88da8a4f4bf0c98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "945ae92bcf285b77809d8a01ae38d7483dd315dde1e10663e88da8a4f4bf0c98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "945ae92bcf285b77809d8a01ae38d7483dd315dde1e10663e88da8a4f4bf0c98", kill_on_drop: false }`
[INFO] [stdout] 945ae92bcf285b77809d8a01ae38d7483dd315dde1e10663e88da8a4f4bf0c98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07e57278a9b6832f807e085e006402ad36fefc6e9e58e451309f4d11b546e05b
[INFO] running `Command { std: "docker" "start" "-a" "07e57278a9b6832f807e085e006402ad36fefc6e9e58e451309f4d11b546e05b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling futures-macro-async-preview v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.93s
[INFO] running `Command { std: "docker" "inspect" "07e57278a9b6832f807e085e006402ad36fefc6e9e58e451309f4d11b546e05b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07e57278a9b6832f807e085e006402ad36fefc6e9e58e451309f4d11b546e05b", kill_on_drop: false }`
[INFO] [stdout] 07e57278a9b6832f807e085e006402ad36fefc6e9e58e451309f4d11b546e05b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe9bb62eed36b89350fb8d9f9cc60ada93aedebae6be3efd1d5ed6432986de95
[INFO] running `Command { std: "docker" "start" "-a" "fe9bb62eed36b89350fb8d9f9cc60ada93aedebae6be3efd1d5ed6432986de95", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-macro-async-preview v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "fe9bb62eed36b89350fb8d9f9cc60ada93aedebae6be3efd1d5ed6432986de95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe9bb62eed36b89350fb8d9f9cc60ada93aedebae6be3efd1d5ed6432986de95", kill_on_drop: false }`
[INFO] [stdout] fe9bb62eed36b89350fb8d9f9cc60ada93aedebae6be3efd1d5ed6432986de95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3006e61848c8b7d36adc1576ed07150fd1af3b53abb92ad08c411928216f5c9e
[INFO] running `Command { std: "docker" "start" "-a" "3006e61848c8b7d36adc1576ed07150fd1af3b53abb92ad08c411928216f5c9e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/futures_macro_async-3446e70b676fff7a)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests futures_macro_async
[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" "3006e61848c8b7d36adc1576ed07150fd1af3b53abb92ad08c411928216f5c9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3006e61848c8b7d36adc1576ed07150fd1af3b53abb92ad08c411928216f5c9e", kill_on_drop: false }`
[INFO] [stdout] 3006e61848c8b7d36adc1576ed07150fd1af3b53abb92ad08c411928216f5c9e