[INFO] fetching crate mkwebfont 0.2.0-alpha7...
[INFO] testing mkwebfont-0.2.0-alpha7 against 1.90.0 for beta-1.91-3
[INFO] extracting crate mkwebfont 0.2.0-alpha7 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate mkwebfont 0.2.0-alpha7
[INFO] finished tweaking crates.io crate mkwebfont 0.2.0-alpha7
[INFO] tweaked toml for crates.io crate mkwebfont 0.2.0-alpha7 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mkwebfont 0.2.0-alpha7 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mkwebfont 0.2.0-alpha7 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded static-self-derive v0.1.1
[INFO] [stderr]   Downloaded cssparser-color v0.1.0
[INFO] [stderr]   Downloaded outref v0.1.0
[INFO] [stderr]   Downloaded static-self v0.1.1
[INFO] [stderr]   Downloaded base64-simd v0.7.0
[INFO] [stderr]   Downloaded const-str-proc-macro v0.3.2
[INFO] [stderr]   Downloaded markup5ever v0.12.1
[INFO] [stderr]   Downloaded cssparser v0.33.0
[INFO] [stderr]   Downloaded html5ever v0.27.0
[INFO] [stderr]   Downloaded toml v0.8.15
[INFO] [stderr]   Downloaded rkyv v0.7.44
[INFO] [stderr]   Downloaded rustls-webpki v0.102.5
[INFO] [stderr]   Downloaded raw-cpuid v11.1.0
[INFO] [stderr]   Downloaded blake3 v1.5.3
[INFO] [stderr]   Downloaded winnow v0.6.14
[INFO] [stderr]   Downloaded toml_edit v0.22.16
[INFO] [stderr]   Downloaded ureq v2.10.0
[INFO] [stderr]   Downloaded mkwebfont_kuchikiki v0.8.2-mkwebfont
[INFO] [stderr]   Downloaded moka v0.12.8
[INFO] [stderr]   Downloaded webpki-roots v0.26.3
[INFO] [stderr]   Downloaded cc v1.1.6
[INFO] [stderr]   Downloaded parcel_selectors v0.26.5
[INFO] [stderr]   Downloaded mkwebfont_fontops v0.4.0
[INFO] [stderr]   Downloaded bytes v1.6.1
[INFO] [stderr]   Downloaded bincode v2.0.0-rc.3
[INFO] [stderr]   Downloaded dtoa-short v0.3.5
[INFO] [stderr]   Downloaded quanta v0.12.3
[INFO] [stderr]   Downloaded rustls v0.23.11
[INFO] [stderr]   Downloaded triomphe v0.1.11
[INFO] [stderr]   Downloaded mkwebfont_extract-web v0.4.0
[INFO] [stderr]   Downloaded enumset v1.1.3
[INFO] [stderr]   Downloaded wyrand v0.2.0
[INFO] [stderr]   Downloaded mkwebfont_common v0.6.0
[INFO] [stderr]   Downloaded serde_spanned v0.6.6
[INFO] [stderr]   Downloaded unicode-blocks v0.1.9
[INFO] [stderr]   Downloaded const-str v0.3.2
[INFO] [stderr]   Downloaded simd-abstraction v0.7.1
[INFO] [stderr]   Downloaded data-url v0.1.1
[INFO] [stderr]   Downloaded rend v0.4.2
[INFO] [stderr]   Downloaded rkyv_derive v0.7.44
[INFO] [stderr]   Downloaded vlq v0.5.1
[INFO] [stderr]   Downloaded parcel_sourcemap v2.1.1
[INFO] [stderr]   Downloaded tokio v1.38.1
[INFO] [stderr]   Downloaded enumset_derive v0.8.1
[INFO] [stderr]   Downloaded virtue v0.0.13
[INFO] [stderr]   Downloaded zstd-sys v2.0.12+zstd.1.5.6
[INFO] [stderr]   Downloaded arrayref v0.3.8
[INFO] [stderr]   Downloaded zstd-safe v7.2.0
[INFO] [stderr]   Downloaded bytecheck_derive v0.6.12
[INFO] [stderr]   Downloaded bytecheck v0.6.12
[INFO] [stderr]   Downloaded toml_datetime v0.6.6
[INFO] [stderr]   Downloaded ordered-float v4.2.1
[INFO] [stderr]   Downloaded bincode_derive v2.0.0-rc.3
[INFO] [stderr]   Downloaded mkwebfont_hb-subset v0.5.0
[INFO] [stderr]   Downloaded lightningcss v1.0.0-alpha.57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00c8361f4a0451019b35bd8b0fb91e3cee701f8fb4cd4268bb18937173bab2af
[INFO] running `Command { std: "docker" "start" "-a" "00c8361f4a0451019b35bd8b0fb91e3cee701f8fb4cd4268bb18937173bab2af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00c8361f4a0451019b35bd8b0fb91e3cee701f8fb4cd4268bb18937173bab2af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00c8361f4a0451019b35bd8b0fb91e3cee701f8fb4cd4268bb18937173bab2af", kill_on_drop: false }`
[INFO] [stdout] 00c8361f4a0451019b35bd8b0fb91e3cee701f8fb4cd4268bb18937173bab2af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 143f4975d8a3c1e6d8853577654e64f63940d96d3887d26d033501438461a8aa
[INFO] running `Command { std: "docker" "start" "-a" "143f4975d8a3c1e6d8853577654e64f63940d96d3887d26d033501438461a8aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling dtoa v1.0.9
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling rustls-pki-types v1.7.0
[INFO] [stderr]    Compiling zstd-safe v7.2.0
[INFO] [stderr]    Compiling rustls v0.23.11
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]    Compiling dtoa-short v0.3.5
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling miniz_oxide v0.7.4
[INFO] [stderr]    Compiling outref v0.1.0
[INFO] [stderr]    Compiling alloc-no-stdlib v2.0.4
[INFO] [stderr]    Compiling rkyv v0.7.44
[INFO] [stderr]    Compiling parking v2.2.0
[INFO] [stderr]    Compiling phf v0.10.1
[INFO] [stderr]    Compiling serde_json v1.0.120
[INFO] [stderr]    Compiling virtue v0.0.13
[INFO] [stderr]    Compiling alloc-stdlib v0.2.2
[INFO] [stderr]    Compiling simd-abstraction v0.7.1
[INFO] [stderr]    Compiling webpki-roots v0.26.3
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling arrayref v0.3.8
[INFO] [stderr]    Compiling matches v0.1.10
[INFO] [stderr]    Compiling winnow v0.6.14
[INFO] [stderr]    Compiling seahash v4.1.0
[INFO] [stderr]    Compiling arrayvec v0.7.4
[INFO] [stderr]    Compiling constant_time_eq v0.3.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling data-url v0.1.1
[INFO] [stderr]    Compiling brotli-decompressor v4.0.1
[INFO] [stderr]    Compiling base64-simd v0.7.0
[INFO] [stderr]    Compiling anstyle-parse v0.2.4
[INFO] [stderr]    Compiling servo_arc v0.3.0
[INFO] [stderr]    Compiling raw-cpuid v11.1.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling wyrand v0.2.0
[INFO] [stderr]    Compiling flate2 v1.0.30
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling jobserver v0.1.31
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling bincode_derive v2.0.0-rc.3
[INFO] [stderr]    Compiling event-listener v5.3.1
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling cc v1.1.6
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling dirs-sys v0.4.1
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling event-listener-strategy v0.5.2
[INFO] [stderr]    Compiling anstyle-query v1.1.0
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling directories v5.0.1
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.0
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling colorchoice v1.0.1
[INFO] [stderr]    Compiling bincode v2.0.0-rc.3
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling vlq v0.5.1
[INFO] [stderr]    Compiling moka v0.12.8
[INFO] [stderr]    Compiling anstyle v1.0.7
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling quanta v0.12.3
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling brotli v6.0.0
[INFO] [stderr]    Compiling anstream v0.6.14
[INFO] [stderr]    Compiling async-lock v3.4.0
[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/1.90.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.72/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-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=ea0a0a5fea5d3834 -C extra-filename=-a081cb1c4653c214 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-3b70081cab0dff0f.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-72d6e3cbf7380a1c.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-ff0eade86fc4684b.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" "143f4975d8a3c1e6d8853577654e64f63940d96d3887d26d033501438461a8aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "143f4975d8a3c1e6d8853577654e64f63940d96d3887d26d033501438461a8aa", kill_on_drop: false }`
[INFO] [stdout] 143f4975d8a3c1e6d8853577654e64f63940d96d3887d26d033501438461a8aa