[INFO] fetching crate whasm-grammar-derive 0.1.1...
[INFO] testing whasm-grammar-derive-0.1.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate whasm-grammar-derive 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate whasm-grammar-derive 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 whasm-grammar-derive 0.1.1
[INFO] finished tweaking crates.io crate whasm-grammar-derive 0.1.1
[INFO] tweaked toml for crates.io crate whasm-grammar-derive 0.1.1 written to /workspace/builds/worker-4/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]  Downloading crates ...
[INFO] [stderr]   Downloaded syn-mid v0.5.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 0ca1bdf1c6b816d00d4ad500a33b716f44638272b75437ed64feb58963fa85c3
[INFO] running `Command { std: "docker" "start" "-a" "0ca1bdf1c6b816d00d4ad500a33b716f44638272b75437ed64feb58963fa85c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ca1bdf1c6b816d00d4ad500a33b716f44638272b75437ed64feb58963fa85c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ca1bdf1c6b816d00d4ad500a33b716f44638272b75437ed64feb58963fa85c3", kill_on_drop: false }`
[INFO] [stdout] 0ca1bdf1c6b816d00d4ad500a33b716f44638272b75437ed64feb58963fa85c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 8bce55031bf1f836cccd4361114324a3f3048a9217c11792947f7b07e14cf559
[INFO] running `Command { std: "docker" "start" "-a" "8bce55031bf1f836cccd4361114324a3f3048a9217c11792947f7b07e14cf559", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling syn-mid v0.5.3
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling whasm-grammar-derive v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.74s
[INFO] running `Command { std: "docker" "inspect" "8bce55031bf1f836cccd4361114324a3f3048a9217c11792947f7b07e14cf559", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bce55031bf1f836cccd4361114324a3f3048a9217c11792947f7b07e14cf559", kill_on_drop: false }`
[INFO] [stdout] 8bce55031bf1f836cccd4361114324a3f3048a9217c11792947f7b07e14cf559
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 80c2c18171a004d67bcbed70c5d90a5d9763df06ab1c343cad95d3704a8deff9
[INFO] running `Command { std: "docker" "start" "-a" "80c2c18171a004d67bcbed70c5d90a5d9763df06ab1c343cad95d3704a8deff9", kill_on_drop: false }`
[INFO] [stderr]    Compiling whasm-grammar-derive v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "80c2c18171a004d67bcbed70c5d90a5d9763df06ab1c343cad95d3704a8deff9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80c2c18171a004d67bcbed70c5d90a5d9763df06ab1c343cad95d3704a8deff9", kill_on_drop: false }`
[INFO] [stdout] 80c2c18171a004d67bcbed70c5d90a5d9763df06ab1c343cad95d3704a8deff9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 533ccf6cdf66491dc3ae425601994f88157c0dcf967ab2cf75c06c526248a3e6
[INFO] running `Command { std: "docker" "start" "-a" "533ccf6cdf66491dc3ae425601994f88157c0dcf967ab2cf75c06c526248a3e6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/whasm_grammar_derive-0764048f881f3e1f)
[INFO] [stderr]    Doc-tests whasm-grammar-derive
[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] [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" "533ccf6cdf66491dc3ae425601994f88157c0dcf967ab2cf75c06c526248a3e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "533ccf6cdf66491dc3ae425601994f88157c0dcf967ab2cf75c06c526248a3e6", kill_on_drop: false }`
[INFO] [stdout] 533ccf6cdf66491dc3ae425601994f88157c0dcf967ab2cf75c06c526248a3e6