[INFO] fetching crate onnx-shape-inference 1.1.0...
[INFO] testing onnx-shape-inference-1.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate onnx-shape-inference 1.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate onnx-shape-inference 1.1.0 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 onnx-shape-inference 1.1.0
[INFO] finished tweaking crates.io crate onnx-shape-inference 1.1.0
[INFO] tweaked toml for crates.io crate onnx-shape-inference 1.1.0 written to /workspace/builds/worker-10/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 onnx-pb v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] f192423cf6b65b4c9804314c118652e561efb720f1c178fe20a8f2b1c5824fab
[INFO] running `Command { std: "docker" "start" "-a" "f192423cf6b65b4c9804314c118652e561efb720f1c178fe20a8f2b1c5824fab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f192423cf6b65b4c9804314c118652e561efb720f1c178fe20a8f2b1c5824fab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f192423cf6b65b4c9804314c118652e561efb720f1c178fe20a8f2b1c5824fab", kill_on_drop: false }`
[INFO] [stdout] f192423cf6b65b4c9804314c118652e561efb720f1c178fe20a8f2b1c5824fab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] f7dd315ae09c8e732ae691d3785ef2a237e1d86eb2efe8ca024b10d0965cb495
[INFO] running `Command { std: "docker" "start" "-a" "f7dd315ae09c8e732ae691d3785ef2a237e1d86eb2efe8ca024b10d0965cb495", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling onnx-shape-inference v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.76/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' -C metadata=7ab1cc1203e507ea -C extra-filename=-7ab1cc1203e507ea --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-06e97d6f0dfb172f.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-1b457121b46aa6b0.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-5ecee5fca1210f52.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f7dd315ae09c8e732ae691d3785ef2a237e1d86eb2efe8ca024b10d0965cb495", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7dd315ae09c8e732ae691d3785ef2a237e1d86eb2efe8ca024b10d0965cb495", kill_on_drop: false }`
[INFO] [stdout] f7dd315ae09c8e732ae691d3785ef2a237e1d86eb2efe8ca024b10d0965cb495