[INFO] cloning repository https://github.com/gerben-stavenga/rust_protobuf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gerben-stavenga/rust_protobuf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgerben-stavenga%2Frust_protobuf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgerben-stavenga%2Frust_protobuf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6d0e667344ed6001bffe37cdb77426f989a2c40f
[INFO] checking gerben-stavenga/rust_protobuf against try#3248bace201b6227b0ff78eacc8b00d805551a86 for pr-153513
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgerben-stavenga%2Frust_protobuf" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/gerben-stavenga/rust_protobuf
[INFO] finished tweaking git repo https://github.com/gerben-stavenga/rust_protobuf
[INFO] tweaked toml for git repo https://github.com/gerben-stavenga/rust_protobuf written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/gerben-stavenga/rust_protobuf on toolchain 3248bace201b6227b0ff78eacc8b00d805551a86
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3248bace201b6227b0ff78eacc8b00d805551a86" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/gerben-stavenga/rust_protobuf already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3248bace201b6227b0ff78eacc8b00d805551a86" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3248bace201b6227b0ff78eacc8b00d805551a86" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cdff153cd494e532a2d5dc56813dc834a5dcb483e742ce6486fa64fb60b23e9a
[INFO] running `Command { std: "docker" "start" "-a" "cdff153cd494e532a2d5dc56813dc834a5dcb483e742ce6486fa64fb60b23e9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdff153cd494e532a2d5dc56813dc834a5dcb483e742ce6486fa64fb60b23e9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdff153cd494e532a2d5dc56813dc834a5dcb483e742ce6486fa64fb60b23e9a", kill_on_drop: false }`
[INFO] [stdout] cdff153cd494e532a2d5dc56813dc834a5dcb483e742ce6486fa64fb60b23e9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3248bace201b6227b0ff78eacc8b00d805551a86" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16c8defd7f526170dd1b91b38fff6e96087d846cef5ee9993dca7a2edf5aae46
[INFO] running `Command { std: "docker" "start" "-a" "16c8defd7f526170dd1b91b38fff6e96087d846cef5ee9993dca7a2edf5aae46", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.104
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling time-core v0.1.6
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]     Checking slab v0.4.11
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]    Compiling find-msvc-tools v0.1.6
[INFO] [stderr]     Checking serde_core v1.0.228
[INFO] [stderr]     Checking num-conv v0.1.0
[INFO] [stderr]     Checking deranged v0.5.5
[INFO] [stderr]    Compiling time-macros v0.2.24
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking itoa v1.0.17
[INFO] [stderr]     Checking allocator-api2 v0.2.21
[INFO] [stderr]     Checking base64 v0.22.1
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling syn v2.0.112
[INFO] [stderr]     Checking time v0.3.44
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling cc v1.2.51
[INFO] [stderr]    Compiling libfuzzer-sys v0.4.10
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/3248bace201b6227b0ff78eacc8b00d805551a86/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.112/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=9d6d6940183eda4e -C extra-filename=-1f205fa7b9b5898a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-0857234c7afb9dee.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-8ce6644e18674a5b.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-9533002ac35f5809.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "16c8defd7f526170dd1b91b38fff6e96087d846cef5ee9993dca7a2edf5aae46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16c8defd7f526170dd1b91b38fff6e96087d846cef5ee9993dca7a2edf5aae46", kill_on_drop: false }`
[INFO] [stdout] 16c8defd7f526170dd1b91b38fff6e96087d846cef5ee9993dca7a2edf5aae46