[INFO] fetching crate stylo_taffy 0.2.0...
[INFO] testing stylo_taffy-0.2.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate stylo_taffy 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate stylo_taffy 0.2.0
[INFO] finished tweaking crates.io crate stylo_taffy 0.2.0
[INFO] tweaked toml for crates.io crate stylo_taffy 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stylo_taffy 0.2.0 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 stylo_taffy 0.2.0 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" "+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] 9ca7263bf819de916d95e7f736c33753a07d03b58c48b325c23d0f9b6c8a82af
[INFO] running `Command { std: "docker" "start" "-a" "9ca7263bf819de916d95e7f736c33753a07d03b58c48b325c23d0f9b6c8a82af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ca7263bf819de916d95e7f736c33753a07d03b58c48b325c23d0f9b6c8a82af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ca7263bf819de916d95e7f736c33753a07d03b58c48b325c23d0f9b6c8a82af", kill_on_drop: false }`
[INFO] [stdout] 9ca7263bf819de916d95e7f736c33753a07d03b58c48b325c23d0f9b6c8a82af
[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] 85000448fcd7d167c8ce7c8b30db56494ec9a81137da5f110e2019c4759b62b3
[INFO] running `Command { std: "docker" "start" "-a" "85000448fcd7d167c8ce7c8b30db56494ec9a81137da5f110e2019c4759b62b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling smallbitvec v2.6.0
[INFO] [stderr]    Compiling thin-vec v0.2.14
[INFO] [stderr]    Compiling icu_locale_data v2.0.0
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling litemap v0.8.0
[INFO] [stderr]    Compiling writeable v0.6.1
[INFO] [stderr]    Compiling selectors v0.32.0
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling icu_segmenter_data v2.0.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling idna_adapter v1.0.0
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling core_maths v0.1.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling indexmap v2.11.4
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling uluru v3.1.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling stylo_static_prefs v0.8.0
[INFO] [stderr]    Compiling stylo_config v0.8.0
[INFO] [stderr]    Compiling atomic_refcell v0.1.13
[INFO] [stderr]    Compiling grid v0.18.0
[INFO] [stderr]    Compiling stylo v0.8.0
[INFO] [stderr]    Compiling taffy v0.9.1
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling string_cache_codegen v0.5.4
[INFO] [stderr]    Compiling stylo_atoms v0.8.0
[INFO] [stderr]    Compiling web_atoms v0.1.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling phf_macros v0.11.3
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling cssparser-macros v0.6.1
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling malloc_size_of_derive v0.1.3
[INFO] [stderr]    Compiling phf v0.11.3
[INFO] [stderr]    Compiling zerotrie v0.2.2
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling yoke v0.8.0
[INFO] [stderr]    Compiling derive_more v2.0.1
[INFO] [stderr]    Compiling zerovec v0.11.4
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling to_shmem_derive v0.1.0
[INFO] [stderr]    Compiling stylo_derive v0.8.0
[INFO] [stderr]    Compiling tinystr v0.8.1
[INFO] [stderr]    Compiling potential_utf v0.1.3
[INFO] [stderr]    Compiling icu_collections v2.0.0
[INFO] [stderr]    Compiling icu_locale_core v2.0.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling string_cache v0.8.9
[INFO] [stderr]    Compiling servo_arc v0.4.1
[INFO] [stderr]    Compiling cssparser v0.35.0
[INFO] [stderr]    Compiling app_units v0.7.8
[INFO] [stderr]    Compiling euclid v0.22.11
[INFO] [stderr]    Compiling url v2.5.7
[INFO] [stderr]    Compiling icu_provider v2.0.0
[INFO] [stderr]    Compiling icu_locale v2.0.0
[INFO] [stderr]    Compiling to_shmem v0.2.0
[INFO] [stderr]    Compiling stylo_malloc_size_of v0.8.0
[INFO] [stderr]    Compiling icu_segmenter v2.0.0
[INFO] [stderr]    Compiling stylo_dom v0.8.0
[INFO] [stderr]    Compiling stylo_traits v0.8.0
[INFO] [stderr]    Compiling stylo_taffy v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `stylo` (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 style --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/stylo-0.8.0/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="encoding_rs"' --cfg 'feature="mime"' --cfg 'feature="serde"' --cfg 'feature="servo"' --cfg 'feature="string_cache"' --cfg 'feature="style_config"' --cfg 'feature="stylo_atoms"' --cfg 'feature="url"' --cfg 'feature="web_atoms"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("bindgen", "default", "encoding_rs", "gecko", "gecko_debug", "gecko_refcount_logging", "mime", "mozbuild", "nsstring", "regex", "serde", "servo", "string_cache", "style_config", "stylo_atoms", "toml", "url", "web_atoms"))' -C metadata=d1852eeeb77c7042 -C extra-filename=-219bdd8aab044315 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern app_units=/opt/rustwide/target/debug/deps/libapp_units-84e466f615eb2c71.rmeta --extern arrayvec=/opt/rustwide/target/debug/deps/libarrayvec-09741c597eeba17a.rmeta --extern atomic_refcell=/opt/rustwide/target/debug/deps/libatomic_refcell-9a6bdde95cc79f7d.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-7f84f37ac731566a.rmeta --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-8f59b6d1bfdaa844.rmeta --extern cssparser=/opt/rustwide/target/debug/deps/libcssparser-7fef765eda975c18.rmeta --extern derive_more=/opt/rustwide/target/debug/deps/libderive_more-7790d5ab132dadfd.rmeta --extern encoding_rs=/opt/rustwide/target/debug/deps/libencoding_rs-2091607858be9ca0.rmeta --extern euclid=/opt/rustwide/target/debug/deps/libeuclid-76e581336462c549.rmeta --extern icu_segmenter=/opt/rustwide/target/debug/deps/libicu_segmenter-b0e1b7b09eba61a5.rmeta --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-7a2a7805215d2d03.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-0dfe3b49e26bab2a.rmeta --extern itoa=/opt/rustwide/target/debug/deps/libitoa-ef40fa516293a9d3.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-3674be3f4245d19b.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-40ebd7d040175aeb.rmeta --extern malloc_size_of_derive=/opt/rustwide/target/debug/deps/libmalloc_size_of_derive-75cd7d7566615c18.so --extern matches=/opt/rustwide/target/debug/deps/libmatches-12896af12519b727.rmeta --extern mime=/opt/rustwide/target/debug/deps/libmime-0188e0814ca7ddbf.rmeta --extern debug_unreachable=/opt/rustwide/target/debug/deps/libdebug_unreachable-2bce5da2715432ba.rmeta --extern num_derive=/opt/rustwide/target/debug/deps/libnum_derive-514bdc85884b2a2a.so --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-fa6bf9d741776ecf.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-c445de6622136476.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-5cf65391f8c4acac.rmeta --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-3f4f26f21fc9ccfe.rmeta --extern precomputed_hash=/opt/rustwide/target/debug/deps/libprecomputed_hash-b8aaee179f87ad21.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-2f6ee0235a8f6553.rmeta --extern rayon_core=/opt/rustwide/target/debug/deps/librayon_core-20ae9278df136b21.rmeta --extern rustc_hash=/opt/rustwide/target/debug/deps/librustc_hash-ca4219e344ea5da0.rmeta --extern selectors=/opt/rustwide/target/debug/deps/libselectors-24fe995bff808af8.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-d129114bbb62dc97.rmeta --extern servo_arc=/opt/rustwide/target/debug/deps/libservo_arc-e3f58f1f3338ea52.rmeta --extern smallbitvec=/opt/rustwide/target/debug/deps/libsmallbitvec-8bfd932388a585be.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-3281308869c19c4b.rmeta --extern static_assertions=/opt/rustwide/target/debug/deps/libstatic_assertions-f0217ecdd817a834.rmeta --extern string_cache=/opt/rustwide/target/debug/deps/libstring_cache-feec85425ddd1321.rmeta --extern stylo_atoms=/opt/rustwide/target/debug/deps/libstylo_atoms-fb14da6f5cda4f65.rmeta --extern style_config=/opt/rustwide/target/debug/deps/libstylo_config-cda3d4db08bd207f.rmeta --extern style_derive=/opt/rustwide/target/debug/deps/libstylo_derive-8e5d34d0b5600d09.so --extern dom=/opt/rustwide/target/debug/deps/libstylo_dom-40c818cbf0df9396.rmeta --extern malloc_size_of=/opt/rustwide/target/debug/deps/libstylo_malloc_size_of-d53a87a0ccadc555.rmeta --extern static_prefs=/opt/rustwide/target/debug/deps/libstylo_static_prefs-4febf23353e8fd16.rmeta --extern style_traits=/opt/rustwide/target/debug/deps/libstyle_traits-4c28e60fcbd28d16.rmeta --extern thin_vec=/opt/rustwide/target/debug/deps/libthin_vec-b68bfa90c9758394.rmeta --extern to_shmem=/opt/rustwide/target/debug/deps/libto_shmem-f39e7edf8188a3eb.rmeta --extern to_shmem_derive=/opt/rustwide/target/debug/deps/libto_shmem_derive-2b5ceda64e1883c3.so --extern uluru=/opt/rustwide/target/debug/deps/libuluru-2c91fb1cf8daede6.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-7d849960030b45af.rmeta --extern void=/opt/rustwide/target/debug/deps/libvoid-eb7ae209523c4fe2.rmeta --extern web_atoms=/opt/rustwide/target/debug/deps/libweb_atoms-d5e76e6bd1b4ad34.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "85000448fcd7d167c8ce7c8b30db56494ec9a81137da5f110e2019c4759b62b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85000448fcd7d167c8ce7c8b30db56494ec9a81137da5f110e2019c4759b62b3", kill_on_drop: false }`
[INFO] [stdout] 85000448fcd7d167c8ce7c8b30db56494ec9a81137da5f110e2019c4759b62b3