[INFO] fetching crate fcplug-build 0.4.5...
[INFO] checking fcplug-build-0.4.5 against try#f77b5bc6c7c84df104f86b0dd01d9490e3923fa8 for pr-147834
[INFO] extracting crate fcplug-build 0.4.5 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate fcplug-build 0.4.5
[INFO] finished tweaking crates.io crate fcplug-build 0.4.5
[INFO] tweaked toml for crates.io crate fcplug-build 0.4.5 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fcplug-build 0.4.5 on toolchain f77b5bc6c7c84df104f86b0dd01d9490e3923fa8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 185 packages to latest compatible versions
[INFO] [stderr]       Adding bindgen v0.66.1 (available: v0.72.1)
[INFO] [stderr]       Adding cbindgen v0.24.5 (available: v0.29.2)
[INFO] [stderr]       Adding md5 v0.7.0 (available: v0.8.0)
[INFO] [stderr]       Adding strum v0.25.0 (available: v0.27.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ffcc694107923d8842e67c8f32cd60268e62d83e774d262d27e04d3952884a2
[INFO] running `Command { std: "docker" "start" "-a" "2ffcc694107923d8842e67c8f32cd60268e62d83e774d262d27e04d3952884a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ffcc694107923d8842e67c8f32cd60268e62d83e774d262d27e04d3952884a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ffcc694107923d8842e67c8f32cd60268e62d83e774d262d27e04d3952884a2", kill_on_drop: false }`
[INFO] [stdout] 2ffcc694107923d8842e67c8f32cd60268e62d83e774d262d27e04d3952884a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3d929f9b1aa5c3a83b776ace8e454f3b0e17581441844d5d7e0d98a3f3616e3
[INFO] running `Command { std: "docker" "start" "-a" "b3d929f9b1aa5c3a83b776ace8e454f3b0e17581441844d5d7e0d98a3f3616e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]     Checking bitflags v2.10.0
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking unicode-ident v1.0.20
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking home v0.5.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]    Compiling protobuf2 v4.0.0-alpha.2
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling protobuf v3.7.2
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]     Checking rustix v1.1.2
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking winnow v0.5.40
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]     Checking os_str_bytes v6.6.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling cbindgen v0.24.5
[INFO] [stderr]     Checking simdutf8 v0.1.5
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking gimli v0.32.3
[INFO] [stderr]     Checking glob v0.3.3
[INFO] [stderr]     Checking heck v0.4.1
[INFO] [stderr]     Checking textwrap v0.16.2
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]    Compiling bindgen v0.66.1
[INFO] [stderr]     Checking petgraph v0.6.5
[INFO] [stderr]     Checking syn v2.0.108
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]     Checking faststr v0.2.32
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking tempfile v3.23.0
[INFO] [stderr]     Checking which v4.4.2
[INFO] [stderr]     Checking peeking_take_while v0.1.2
[INFO] [stderr]     Checking normpath v1.5.0
[INFO] [stderr]     Checking flatc-rust v0.2.0
[INFO] [stderr]     Checking pilota-thrift-parser v0.4.2
[INFO] [stderr]     Checking cexpr v0.6.0
[INFO] [stderr]     Checking defer-lite v1.0.0
[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/f77b5bc6c7c84df104f86b0dd01d9490e3923fa8/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.108/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"' --cfg 'feature="visit-mut"' --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=8698b5fe054291bb -C extra-filename=-5a4792f959a396c1 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-c2c45c070527ccb9.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-ca26c9995d1204c6.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-21aeb60f8cf32518.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" "b3d929f9b1aa5c3a83b776ace8e454f3b0e17581441844d5d7e0d98a3f3616e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3d929f9b1aa5c3a83b776ace8e454f3b0e17581441844d5d7e0d98a3f3616e3", kill_on_drop: false }`
[INFO] [stdout] b3d929f9b1aa5c3a83b776ace8e454f3b0e17581441844d5d7e0d98a3f3616e3