[INFO] fetching crate precord 0.7.15-20250911...
[INFO] building precord-0.7.15-20250911 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate precord 0.7.15-20250911 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate precord 0.7.15-20250911
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate precord 0.7.15-20250911
[INFO] tweaked toml for crates.io crate precord 0.7.15-20250911 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate precord 0.7.15-20250911 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate precord 0.7.15-20250911 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 30f65afbe9eff2d3290707a23d34fd7ad8f5ac290f527f7129442c565485d1c5
[INFO] running `Command { std: "docker" "start" "-a" "30f65afbe9eff2d3290707a23d34fd7ad8f5ac290f527f7129442c565485d1c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30f65afbe9eff2d3290707a23d34fd7ad8f5ac290f527f7129442c565485d1c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30f65afbe9eff2d3290707a23d34fd7ad8f5ac290f527f7129442c565485d1c5", kill_on_drop: false }`
[INFO] [stdout] 30f65afbe9eff2d3290707a23d34fd7ad8f5ac290f527f7129442c565485d1c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a1dd5ccea60f95a74b841bda79d9ba493a8dea6b6ca25f7c74b2a83c30aa8f6
[INFO] running `Command { std: "docker" "start" "-a" "9a1dd5ccea60f95a74b841bda79d9ba493a8dea6b6ca25f7c74b2a83c30aa8f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.6
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling anstyle-parse v0.2.4
[INFO] [stderr]    Compiling font-kit v0.13.2
[INFO] [stderr]    Compiling colorchoice v1.0.1
[INFO] [stderr]    Compiling thiserror v1.0.61
[INFO] [stderr]    Compiling yeslogic-fontconfig-sys v5.0.0
[INFO] [stderr]    Compiling plotters-backend v0.3.6
[INFO] [stderr]    Compiling jpeg-decoder v0.3.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.2
[INFO] [stderr]    Compiling anstyle v1.0.7
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling dlib v0.5.0
[INFO] [stderr]    Compiling anstyle-query v1.1.0
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.0
[INFO] [stderr]    Compiling bytemuck v1.12.3
[INFO] [stderr]    Compiling pathfinder_simd v0.5.3
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling weezl v0.1.7
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling anstream v0.6.14
[INFO] [stderr]    Compiling flate2 v1.0.25
[INFO] [stderr]    Compiling syn v2.0.91
[INFO] [stderr]    Compiling cstr v0.2.12
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling itoa v1.0.5
[INFO] [stderr]    Compiling freetype-sys v0.20.1
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling png v0.17.7
[INFO] [stderr]    Compiling mio v1.0.1
[INFO] [stderr]    Compiling gif v0.12.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.53
[INFO] [stderr]    Compiling ryu v1.0.12
[INFO] [stderr]    Compiling pathfinder_geometry v0.5.1
[INFO] [stderr]    Compiling float-ord v0.3.2
[INFO] [stderr]    Compiling clap_lex v0.7.1
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling serde_json v1.0.91
[INFO] [stderr]    Compiling clap_builder v4.5.9
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling signal-hook-mio v0.2.4
[INFO] [stderr]    Compiling csv-core v0.1.11
[INFO] [stderr]    Compiling plotters-svg v0.3.6
[INFO] [stderr]    Compiling ttf-parser v0.20.0
[INFO] [stderr]    Compiling image v0.24.5
[INFO] [stderr]    Compiling sysinfo v0.30.13
[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/4987e9d4227139400384ab59296ffee3b0fb1183/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.91/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=064ecf30ba99a682 -C extra-filename=-cb5ebed1427ab36e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-6c2dcea2a018778c.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-2061f11dcfa1b916.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-bd626417b457fa0b.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" "9a1dd5ccea60f95a74b841bda79d9ba493a8dea6b6ca25f7c74b2a83c30aa8f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a1dd5ccea60f95a74b841bda79d9ba493a8dea6b6ca25f7c74b2a83c30aa8f6", kill_on_drop: false }`
[INFO] [stdout] 9a1dd5ccea60f95a74b841bda79d9ba493a8dea6b6ca25f7c74b2a83c30aa8f6