[INFO] fetching crate veloxx 0.4.0...
[INFO] checking veloxx-0.4.0 against try#c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f for 2025-12-16-next-solver-global
[INFO] extracting crate veloxx 0.4.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate veloxx 0.4.0
[INFO] finished tweaking crates.io crate veloxx 0.4.0
[INFO] tweaked toml for crates.io crate veloxx 0.4.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate veloxx 0.4.0 on toolchain c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate veloxx 0.4.0 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" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce2c59a3753ca924e39cfd5c32608271fce21ce936b13fa9984ee8c3ced6265a
[INFO] running `Command { std: "docker" "start" "-a" "ce2c59a3753ca924e39cfd5c32608271fce21ce936b13fa9984ee8c3ced6265a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce2c59a3753ca924e39cfd5c32608271fce21ce936b13fa9984ee8c3ced6265a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce2c59a3753ca924e39cfd5c32608271fce21ce936b13fa9984ee8c3ced6265a", kill_on_drop: false }`
[INFO] [stdout] ce2c59a3753ca924e39cfd5c32608271fce21ce936b13fa9984ee8c3ced6265a
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae55c17c969863daa3dd540408584a8fdf958c00763db76c5c314e086ec3f1c8
[INFO] running `Command { std: "docker" "start" "-a" "ae55c17c969863daa3dd540408584a8fdf958c00763db76c5c314e086ec3f1c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]     Checking hashbrown v0.15.5
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]    Compiling bytemuck_derive v1.10.1
[INFO] [stderr]    Compiling target-features v0.1.6
[INFO] [stderr]     Checking array-init-cursor v0.2.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling smartstring v1.0.1
[INFO] [stderr]     Checking arrow-schema v53.4.1
[INFO] [stderr]    Compiling polars-utils v0.40.0
[INFO] [stderr]     Checking simdutf8 v0.1.5
[INFO] [stderr]    Compiling polars-arrow v0.40.0
[INFO] [stderr]     Checking strength_reduce v0.2.4
[INFO] [stderr]     Checking planus v0.3.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking fast-float v0.2.0
[INFO] [stderr]     Checking atoi_simd v0.15.6
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]     Checking streaming-iterator v0.1.9
[INFO] [stderr]    Compiling cc v1.2.34
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking foreign_vec v0.1.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling polars-compute v0.40.0
[INFO] [stderr]    Compiling polars-core v0.40.0
[INFO] [stderr]    Compiling linfa v0.7.1
[INFO] [stderr]     Checking flate2 v1.1.2
[INFO] [stderr]    Compiling pathfinder_simd v0.5.5
[INFO] [stderr]    Compiling yeslogic-fontconfig-sys v6.0.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling flatbuffers v24.12.23
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]    Compiling polars-ops v0.40.0
[INFO] [stderr]     Checking libloading v0.8.8
[INFO] [stderr]     Checking dirs-sys v0.5.0
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking dlib v0.5.2
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking hashlink v0.10.0
[INFO] [stderr]     Checking rand_xoshiro v0.6.0
[INFO] [stderr]     Checking crossbeam-queue v0.3.12
[INFO] [stderr]     Checking event-listener v5.4.1
[INFO] [stderr]     Checking png v0.17.16
[INFO] [stderr]    Compiling polars-plan v0.40.0
[INFO] [stderr]     Checking memmap2 v0.7.1
[INFO] [stderr]    Compiling recursive-proc-macro-impl v0.1.1
[INFO] [stderr]     Checking jpeg-decoder v0.3.2
[INFO] [stderr]    Compiling zstd-safe v7.2.1
[INFO] [stderr]    Compiling font-kit v0.14.3
[INFO] [stderr]     Checking gif v0.12.0
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]     Checking pathfinder_geometry v0.5.1
[INFO] [stderr]     Checking unicode-normalization v0.1.24
[INFO] [stderr]     Checking dirs v6.0.0
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking half v2.6.0
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking bytemuck v1.23.2
[INFO] [stderr]     Checking atoi v2.0.0
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking argminmax v0.6.3
[INFO] [stderr]     Checking noisy_float v0.2.0
[INFO] [stderr]     Checking csv-core v0.1.12
[INFO] [stderr]    Compiling snap v1.1.1
[INFO] [stderr]    Compiling seq-macro v0.3.6
[INFO] [stderr]     Checking image v0.24.9
[INFO] [stderr]     Checking unicode-properties v0.1.3
[INFO] [stderr]     Checking flume v0.11.1
[INFO] [stderr]     Checking hkdf v0.12.4
[INFO] [stderr]     Checking ordered-float v2.10.1
[INFO] [stderr]     Checking kdtree v0.7.0
[INFO] [stderr]     Checking brotli-decompressor v4.0.3
[INFO] [stderr]     Checking md-5 v0.10.6
[INFO] [stderr]    Compiling polars-lazy v0.40.0
[INFO] [stderr]     Checking order-stat v0.1.3
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]     Checking whoami v1.6.1
[INFO] [stderr]     Checking stringprep v0.1.5
[INFO] [stderr]     Checking integer-encoding v3.0.4
[INFO] [stderr]     Checking twox-hash v2.1.1
[INFO] [stderr]     Checking streaming-decompression v0.1.2
[INFO] [stderr]     Checking clap_builder v4.5.46
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking safe_arch v0.7.4
[INFO] [stderr]     Checking as-slice v0.2.1
[INFO] [stderr]     Checking lz4_flex v0.11.5
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]     Checking thrift v0.17.0
[INFO] [stderr]    Compiling polars v0.40.0
[INFO] [stderr]     Checking wait-timeout v0.2.1
[INFO] [stderr]     Checking space v0.12.1
[INFO] [stderr]     Checking parquet-format-safe v0.2.4
[INFO] [stderr]     Checking bit-vec v0.8.0
[INFO] [stderr]     Checking rusty-fork v0.3.1
[INFO] [stderr]     Checking aligned v0.4.2
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking rand_xorshift v0.4.0
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking bit-set v0.8.0
[INFO] [stderr]     Checking wide v0.7.33
[INFO] [stderr]     Checking memmap2 v0.9.8
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking is-terminal v0.4.16
[INFO] [stderr]     Checking microjson v0.1.6
[INFO] [stderr]     Checking unarray v0.1.4
[INFO] [stderr]    Compiling psm v0.1.26
[INFO] [stderr]    Compiling stacker v0.1.21
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling freetype-sys v0.20.1
[INFO] [stderr]    Compiling zstd-sys v2.0.13+zstd.1.5.6
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]    Compiling libsqlite3-sys v0.30.1
[INFO] [stderr]     Checking proptest v1.9.0
[INFO] [stderr]     Checking arrow-buffer v53.4.1
[INFO] [stderr]     Checking recursive v0.1.1
[INFO] [stderr]     Checking plotters-bitmap v0.3.7
[INFO] [stderr]     Checking brotli v7.0.0
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking chrono v0.4.39
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking indexmap v2.11.0
[INFO] [stderr]     Checking arrow-data v53.4.1
[INFO] [stderr]     Checking polars-arrow-format v0.1.0
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]     Checking icu_normalizer v2.0.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking tokio v1.47.1
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]    Compiling rustls v0.23.31
[INFO] [stderr]     Checking futures-intrusive v0.5.0
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]     Checking csv v1.3.1
[INFO] [stderr]     Checking arrow-array v53.4.1
[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/c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/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="quote"' --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", "quote", "test", "visit", "visit-mut"))' -C metadata=23342863ee4a1e2d -C extra-filename=-469134297e9765a9 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-a4916dcd2575db7e.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-faae349f961da0a4.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-b3925cc8f83e9ac1.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" "ae55c17c969863daa3dd540408584a8fdf958c00763db76c5c314e086ec3f1c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae55c17c969863daa3dd540408584a8fdf958c00763db76c5c314e086ec3f1c8", kill_on_drop: false }`
[INFO] [stdout] ae55c17c969863daa3dd540408584a8fdf958c00763db76c5c314e086ec3f1c8