[INFO] fetching crate shellfn-attribute 0.1.1...
[INFO] testing shellfn-attribute-0.1.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate shellfn-attribute 0.1.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate shellfn-attribute 0.1.1 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 shellfn-attribute 0.1.1
[INFO] finished tweaking crates.io crate shellfn-attribute 0.1.1
[INFO] tweaked toml for crates.io crate shellfn-attribute 0.1.1 written to /workspace/builds/worker-1/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] 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 82d12c055e6da0875251b20d815138992b0d896c8c9e8a40fa8c2e38e7c0bbff
[INFO] running `Command { std: "docker" "start" "-a" "82d12c055e6da0875251b20d815138992b0d896c8c9e8a40fa8c2e38e7c0bbff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82d12c055e6da0875251b20d815138992b0d896c8c9e8a40fa8c2e38e7c0bbff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82d12c055e6da0875251b20d815138992b0d896c8c9e8a40fa8c2e38e7c0bbff", kill_on_drop: false }`
[INFO] [stdout] 82d12c055e6da0875251b20d815138992b0d896c8c9e8a40fa8c2e38e7c0bbff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 25756db8d7236841ecea0e156e83e2458eddf738fb0f656b1e0b2d1d81d50dbf
[INFO] running `Command { std: "docker" "start" "-a" "25756db8d7236841ecea0e156e83e2458eddf738fb0f656b1e0b2d1d81d50dbf", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling shellfn-core v0.1.1
[INFO] [stderr]    Compiling shellwords v1.1.0
[INFO] [stderr]    Compiling darling_core v0.8.6
[INFO] [stderr]    Compiling darling_macro v0.8.6
[INFO] [stderr]    Compiling darling v0.8.6
[INFO] [stderr]    Compiling shellfn-attribute v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.98s
[INFO] running `Command { std: "docker" "inspect" "25756db8d7236841ecea0e156e83e2458eddf738fb0f656b1e0b2d1d81d50dbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25756db8d7236841ecea0e156e83e2458eddf738fb0f656b1e0b2d1d81d50dbf", kill_on_drop: false }`
[INFO] [stdout] 25756db8d7236841ecea0e156e83e2458eddf738fb0f656b1e0b2d1d81d50dbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 4a27e5bda73f8b5945f014a1e752e4aa4dc639a9bf8c7203fcafe6aad93674ce
[INFO] running `Command { std: "docker" "start" "-a" "4a27e5bda73f8b5945f014a1e752e4aa4dc639a9bf8c7203fcafe6aad93674ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling shellfn-attribute v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "4a27e5bda73f8b5945f014a1e752e4aa4dc639a9bf8c7203fcafe6aad93674ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a27e5bda73f8b5945f014a1e752e4aa4dc639a9bf8c7203fcafe6aad93674ce", kill_on_drop: false }`
[INFO] [stdout] 4a27e5bda73f8b5945f014a1e752e4aa4dc639a9bf8c7203fcafe6aad93674ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 8f93d0e1db35bde5c839119af2f12abd7c2cea8ba0f6471dea9de3bfbad7487f
[INFO] running `Command { std: "docker" "start" "-a" "8f93d0e1db35bde5c839119af2f12abd7c2cea8ba0f6471dea9de3bfbad7487f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/shellfn_attribute-f89adfed88f0b726)
[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" "8f93d0e1db35bde5c839119af2f12abd7c2cea8ba0f6471dea9de3bfbad7487f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f93d0e1db35bde5c839119af2f12abd7c2cea8ba0f6471dea9de3bfbad7487f", kill_on_drop: false }`
[INFO] [stdout] 8f93d0e1db35bde5c839119af2f12abd7c2cea8ba0f6471dea9de3bfbad7487f