[INFO] fetching crate struct2vec_derive 0.1.6...
[INFO] testing struct2vec_derive-0.1.6 against 1.55.0 for beta-1.56-1
[INFO] extracting crate struct2vec_derive 0.1.6 into /workspace/builds/worker-69/source
[INFO] validating manifest of crates.io crate struct2vec_derive 0.1.6 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 struct2vec_derive 0.1.6
[INFO] finished tweaking crates.io crate struct2vec_derive 0.1.6
[INFO] tweaked toml for crates.io crate struct2vec_derive 0.1.6 written to /workspace/builds/worker-69/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded struct2vec v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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] 4c443fdf9a0a6541102686c0e61833bf4dc54350e4f70c5dd65e6446aba48f8c
[INFO] running `Command { std: "docker" "start" "-a" "4c443fdf9a0a6541102686c0e61833bf4dc54350e4f70c5dd65e6446aba48f8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c443fdf9a0a6541102686c0e61833bf4dc54350e4f70c5dd65e6446aba48f8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c443fdf9a0a6541102686c0e61833bf4dc54350e4f70c5dd65e6446aba48f8c", kill_on_drop: false }`
[INFO] [stdout] 4c443fdf9a0a6541102686c0e61833bf4dc54350e4f70c5dd65e6446aba48f8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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] 2aad44c21ae0c343609340893a77080d7dadd32b12a226b0f2c8b3c340e1e8ff
[INFO] running `Command { std: "docker" "start" "-a" "2aad44c21ae0c343609340893a77080d7dadd32b12a226b0f2c8b3c340e1e8ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling struct2vec v0.1.0
[INFO] [stderr]    Compiling struct2vec_derive v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.29s
[INFO] running `Command { std: "docker" "inspect" "2aad44c21ae0c343609340893a77080d7dadd32b12a226b0f2c8b3c340e1e8ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2aad44c21ae0c343609340893a77080d7dadd32b12a226b0f2c8b3c340e1e8ff", kill_on_drop: false }`
[INFO] [stdout] 2aad44c21ae0c343609340893a77080d7dadd32b12a226b0f2c8b3c340e1e8ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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] 23c269f04172d638d02009e9745ee91320c110926288a82d9286c36d5ce9ed1a
[INFO] running `Command { std: "docker" "start" "-a" "23c269f04172d638d02009e9745ee91320c110926288a82d9286c36d5ce9ed1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling struct2vec_derive v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "23c269f04172d638d02009e9745ee91320c110926288a82d9286c36d5ce9ed1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23c269f04172d638d02009e9745ee91320c110926288a82d9286c36d5ce9ed1a", kill_on_drop: false }`
[INFO] [stdout] 23c269f04172d638d02009e9745ee91320c110926288a82d9286c36d5ce9ed1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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] 4ab2f5acf0c5bcac13f19f25de76d863ac71b440d56695d776069b594ddaa16c
[INFO] running `Command { std: "docker" "start" "-a" "4ab2f5acf0c5bcac13f19f25de76d863ac71b440d56695d776069b594ddaa16c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/struct2vec_derive-17b757436651987e)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests struct2vec_derive
[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" "4ab2f5acf0c5bcac13f19f25de76d863ac71b440d56695d776069b594ddaa16c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ab2f5acf0c5bcac13f19f25de76d863ac71b440d56695d776069b594ddaa16c", kill_on_drop: false }`
[INFO] [stdout] 4ab2f5acf0c5bcac13f19f25de76d863ac71b440d56695d776069b594ddaa16c