[INFO] fetching crate grepq 1.6.4...
[INFO] testing grepq-1.6.4 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237
[INFO] extracting crate grepq 1.6.4 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate grepq 1.6.4
[INFO] finished tweaking crates.io crate grepq 1.6.4
[INFO] tweaked toml for crates.io crate grepq 1.6.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate grepq 1.6.4 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate grepq 1.6.4 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 815b16babfe248c61fdfcc3a340e9979c2141c8103c36645bcb249fa79f5d135
[INFO] running `Command { std: "docker" "start" "-a" "815b16babfe248c61fdfcc3a340e9979c2141c8103c36645bcb249fa79f5d135", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "815b16babfe248c61fdfcc3a340e9979c2141c8103c36645bcb249fa79f5d135", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "815b16babfe248c61fdfcc3a340e9979c2141c8103c36645bcb249fa79f5d135", kill_on_drop: false }`
[INFO] [stdout] 815b16babfe248c61fdfcc3a340e9979c2141c8103c36645bcb249fa79f5d135
[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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 267f837594ee6c93d172133b0d0981e0e250ff4fc153055dc014d2a48bc7212f
[INFO] running `Command { std: "docker" "start" "-a" "267f837594ee6c93d172133b0d0981e0e250ff4fc153055dc014d2a48bc7212f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]    Compiling writeable v0.5.5
[INFO] [stderr]    Compiling litemap v0.7.3
[INFO] [stderr]    Compiling icu_locid_transform_data v1.5.0
[INFO] [stderr]    Compiling icu_properties_data v1.5.0
[INFO] [stderr]    Compiling utf16_iter v1.0.5
[INFO] [stderr]    Compiling icu_normalizer_data v1.5.0
[INFO] [stderr]    Compiling write16 v1.0.0
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]    Compiling phf_shared v0.12.1
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling ref-cast v1.0.23
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling anstream v0.6.18
[INFO] [stderr]    Compiling libsqlite3-sys v0.35.0
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling phf_generator v0.12.1
[INFO] [stderr]    Compiling foldhash v0.1.4
[INFO] [stderr]    Compiling borrow-or-share v0.2.2
[INFO] [stderr]    Compiling zstd-safe v7.2.1
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling clap_builder v4.5.41
[INFO] [stderr]    Compiling phf_codegen v0.12.1
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling phf v0.12.1
[INFO] [stderr]    Compiling sync_wrapper v1.0.1
[INFO] [stderr]    Compiling vsimd v0.8.0
[INFO] [stderr]    Compiling uuid v1.11.0
[INFO] [stderr]    Compiling log v0.4.25
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling outref v0.5.1
[INFO] [stderr]    Compiling grepq v1.6.4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling buffer-redux v1.0.2
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling bitflags v2.7.0
[INFO] [stderr]    Compiling bytecount v0.6.8
[INFO] [stderr]    Compiling num-cmp v0.1.0
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling jobserver v0.1.32
[INFO] [stderr]    Compiling mio v1.0.2
[INFO] [stderr]    Compiling socket2 v0.5.7
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling hashlink v0.10.0
[INFO] [stderr]    Compiling uuid-simd v0.8.0
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling colored v3.0.0
[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/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.87/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="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit"' --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=1e6b2693302881e1 -C extra-filename=-d9e2a8089852c41a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-11d2d75b9bf96a03.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-0199369e5233832a.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-d14904b1232aa2ec.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" "267f837594ee6c93d172133b0d0981e0e250ff4fc153055dc014d2a48bc7212f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "267f837594ee6c93d172133b0d0981e0e250ff4fc153055dc014d2a48bc7212f", kill_on_drop: false }`
[INFO] [stdout] 267f837594ee6c93d172133b0d0981e0e250ff4fc153055dc014d2a48bc7212f