[INFO] fetching crate uiua-doc-gen 1.0.4+uiua-0.18.0-dev.1...
[INFO] testing uiua-doc-gen-1.0.4+uiua-0.18.0-dev.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate uiua-doc-gen 1.0.4+uiua-0.18.0-dev.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate uiua-doc-gen 1.0.4+uiua-0.18.0-dev.1
[INFO] finished tweaking crates.io crate uiua-doc-gen 1.0.4+uiua-0.18.0-dev.1
[INFO] tweaked toml for crates.io crate uiua-doc-gen 1.0.4+uiua-0.18.0-dev.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate uiua-doc-gen 1.0.4+uiua-0.18.0-dev.1 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate uiua-doc-gen 1.0.4+uiua-0.18.0-dev.1 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" "+beta-2025-10-28" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8fee70c8b656415effdd2d370e94f43a21137924f0bd9fc62b789aa09c60c660
[INFO] running `Command { std: "docker" "start" "-a" "8fee70c8b656415effdd2d370e94f43a21137924f0bd9fc62b789aa09c60c660", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fee70c8b656415effdd2d370e94f43a21137924f0bd9fc62b789aa09c60c660", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fee70c8b656415effdd2d370e94f43a21137924f0bd9fc62b789aa09c60c660", kill_on_drop: false }`
[INFO] [stdout] 8fee70c8b656415effdd2d370e94f43a21137924f0bd9fc62b789aa09c60c660
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32f38585f7f5ce6f4818ce385dec2db6cbdc3627a4c9ca379f8032d5282dbee1
[INFO] running `Command { std: "docker" "start" "-a" "32f38585f7f5ce6f4818ce385dec2db6cbdc3627a4c9ca379f8032d5282dbee1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling serde v1.0.214
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.100
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling cc v1.2.43
[INFO] [stderr]    Compiling thiserror v1.0.65
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling bumpalo v3.16.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.15
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling rustversion v1.0.20
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling wasm-bindgen v0.2.100
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling tinyvec v1.9.0
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling serde_json v1.0.132
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling hashbrown v0.15.0
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling zlib-rs v0.5.2
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling unicode-bidi v0.3.17
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.33
[INFO] [stderr]    Compiling unicode-normalization v0.1.24
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling bytes v1.8.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]    Compiling const_format v0.2.33
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-utils v0.8.0
[INFO] [stderr]    Compiling proc-macro-utils v0.10.0
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling xxhash-rust v0.8.12
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling futf v0.1.5
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling ogg_next_sys v0.1.4
[INFO] [stderr]    Compiling mio v1.0.2
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling manyhow-macros v0.10.4
[INFO] [stderr]    Compiling half v2.4.1
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling self_cell v1.0.4
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling anyhow v1.0.92
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling camino v1.1.9
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling tendril v0.4.3
[INFO] [stderr]    Compiling http v1.1.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling fdeflate v0.3.5
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling interpolator v0.5.0
[INFO] [stderr]    Compiling winnow v0.7.10
[INFO] [stderr]    Compiling zune-core v0.4.12
[INFO] [stderr]    Compiling toml_write v0.1.1
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling quick-error v2.0.1
[INFO] [stderr]    Compiling rustls-pki-types v1.10.0
[INFO] [stderr]    Compiling collection_literals v1.0.1
[INFO] [stderr]    Compiling prettyplease v0.2.25
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling pathdiff v0.2.2
[INFO] [stderr]    Compiling weezl v0.1.8
[INFO] [stderr]    Compiling byteorder-lite v0.1.0
[INFO] [stderr]    Compiling indexmap v2.6.0
[INFO] [stderr]    Compiling image-webp v0.2.1
[INFO] [stderr]    Compiling gif v0.13.1
[INFO] [stderr]    Compiling zune-jpeg v0.4.14
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling signal-hook-mio v0.2.4
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling libz-rs-sys v0.5.2
[INFO] [stderr]    Compiling flate2 v1.1.5
[INFO] [stderr]    Compiling anstyle-parse v0.2.6
[INFO] [stderr]    Compiling png v0.17.16
[INFO] [stderr]    Compiling aotuv_lancer_vorbis_sys v0.1.5
[INFO] [stderr]    Compiling libffi-sys v3.2.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.100
[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/beta-2025-10-28-x86_64-unknown-linux-gnu/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"' --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=6bd0e26cca70adf4 -C extra-filename=-234fbed1dc7bc9eb --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-52bb111a37485c5d.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-1ba3a6628bf4b978.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-22b7b0cc8d73ac3c.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "32f38585f7f5ce6f4818ce385dec2db6cbdc3627a4c9ca379f8032d5282dbee1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32f38585f7f5ce6f4818ce385dec2db6cbdc3627a4c9ca379f8032d5282dbee1", kill_on_drop: false }`
[INFO] [stdout] 32f38585f7f5ce6f4818ce385dec2db6cbdc3627a4c9ca379f8032d5282dbee1