[INFO] fetching crate stylo_taffy 0.2.0...
[INFO] testing stylo_taffy-0.2.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate stylo_taffy 0.2.0 into /workspace/builds/worker-4-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate stylo_taffy 0.2.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stylo_atoms v0.8.0
[INFO] [stderr]   Downloaded uluru v3.1.0
[INFO] [stderr]   Downloaded to_shmem_derive v0.1.0
[INFO] [stderr]   Downloaded to_shmem v0.2.0
[INFO] [stderr]   Downloaded core_maths v0.1.1
[INFO] [stderr]   Downloaded web_atoms v0.1.3
[INFO] [stderr]   Downloaded stylo_config v0.8.0
[INFO] [stderr]   Downloaded stylo_static_prefs v0.8.0
[INFO] [stderr]   Downloaded smallbitvec v2.6.0
[INFO] [stderr]   Downloaded malloc_size_of_derive v0.1.3
[INFO] [stderr]   Downloaded app_units v0.7.8
[INFO] [stderr]   Downloaded stylo_derive v0.8.0
[INFO] [stderr]   Downloaded stylo_malloc_size_of v0.8.0
[INFO] [stderr]   Downloaded stylo_traits v0.8.0
[INFO] [stderr]   Downloaded icu_locale v2.0.0
[INFO] [stderr]   Downloaded euclid v0.22.11
[INFO] [stderr]   Downloaded icu_locale_data v2.0.0
[INFO] [stderr]   Downloaded selectors v0.32.0
[INFO] [stderr]   Downloaded taffy v0.9.1
[INFO] [stderr]   Downloaded cssparser v0.35.0
[INFO] [stderr]   Downloaded grid v0.18.0
[INFO] [stderr]   Downloaded stylo_dom v0.8.0
[INFO] [stderr]   Downloaded icu_segmenter v2.0.0
[INFO] [stderr]   Downloaded idna_adapter v1.0.0
[INFO] [stderr]   Downloaded icu_segmenter_data v2.0.0
[INFO] [stderr]   Downloaded stylo v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00c98b1c3624948e5b2fb982fc5d8c1886ce8588e89c5b28afe2cd01e880e6df
[INFO] running `Command { std: "docker" "start" "-a" "00c98b1c3624948e5b2fb982fc5d8c1886ce8588e89c5b28afe2cd01e880e6df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00c98b1c3624948e5b2fb982fc5d8c1886ce8588e89c5b28afe2cd01e880e6df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00c98b1c3624948e5b2fb982fc5d8c1886ce8588e89c5b28afe2cd01e880e6df", kill_on_drop: false }`
[INFO] [stdout] 00c98b1c3624948e5b2fb982fc5d8c1886ce8588e89c5b28afe2cd01e880e6df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96bc3a97b11a3f1f6bd8f7fa11b1c7e3e7ef72188e823a1e15a908b1ee335559
[INFO] running `Command { std: "docker" "start" "-a" "96bc3a97b11a3f1f6bd8f7fa11b1c7e3e7ef72188e823a1e15a908b1ee335559", 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 thin-vec v0.2.14
[INFO] [stderr]    Compiling smallbitvec v2.6.0
[INFO] [stderr]    Compiling writeable v0.6.1
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling icu_locale_data v2.0.0
[INFO] [stderr]    Compiling litemap v0.8.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling selectors v0.32.0
[INFO] [stderr]    Compiling idna_adapter v1.0.0
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling icu_segmenter_data v2.0.0
[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 walkdir v2.5.0
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling indexmap v2.11.4
[INFO] [stderr]    Compiling uluru v3.1.0
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling grid v0.18.0
[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 taffy v0.9.1
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling stylo v0.8.0
[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 zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling phf_macros v0.11.3
[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 malloc_size_of_derive v0.1.3
[INFO] [stderr]    Compiling num-derive v0.4.2
[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 serde v1.0.228
[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 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 to_shmem v0.2.0
[INFO] [stderr]    Compiling icu_provider v2.0.0
[INFO] [stderr]    Compiling icu_locale v2.0.0
[INFO] [stderr]    Compiling stylo_malloc_size_of v0.8.0
[INFO] [stderr]    Compiling icu_segmenter v2.0.0
[INFO] [stderr]    Compiling stylo_traits v0.8.0
[INFO] [stderr]    Compiling stylo_dom 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/1.91.0-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=4e0eb49b85e69d60 -C extra-filename=-182cb280399148e7 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern app_units=/opt/rustwide/target/debug/deps/libapp_units-5f31eea2e6878d85.rmeta --extern arrayvec=/opt/rustwide/target/debug/deps/libarrayvec-b6d263f53f72a0a3.rmeta --extern atomic_refcell=/opt/rustwide/target/debug/deps/libatomic_refcell-420ec2dffb2f48e1.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-1877e0d70ab279bf.rmeta --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-2111db28b855e2ca.rmeta --extern cssparser=/opt/rustwide/target/debug/deps/libcssparser-17b2342d3ac71c25.rmeta --extern derive_more=/opt/rustwide/target/debug/deps/libderive_more-b3c09555cac58217.rmeta --extern encoding_rs=/opt/rustwide/target/debug/deps/libencoding_rs-ad2e223e51318a3f.rmeta --extern euclid=/opt/rustwide/target/debug/deps/libeuclid-3c9f116e28a33f60.rmeta --extern icu_segmenter=/opt/rustwide/target/debug/deps/libicu_segmenter-15036a7058cc81c3.rmeta --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-532207687ade123a.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-6a8a409859199395.rmeta --extern itoa=/opt/rustwide/target/debug/deps/libitoa-d0b71e03eb93d2a7.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-26ac7623d713e9be.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-3912f3b6ac91c78b.rmeta --extern malloc_size_of_derive=/opt/rustwide/target/debug/deps/libmalloc_size_of_derive-90fa0bd6ec61b68d.so --extern matches=/opt/rustwide/target/debug/deps/libmatches-8328f8bfc6411f8a.rmeta --extern mime=/opt/rustwide/target/debug/deps/libmime-e225d9a85f1cf3d6.rmeta --extern debug_unreachable=/opt/rustwide/target/debug/deps/libdebug_unreachable-abd293a450d894d7.rmeta --extern num_derive=/opt/rustwide/target/debug/deps/libnum_derive-d4c714923fe15e9d.so --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-be25c1c0212b6a2d.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-586cc47e792695a9.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-5be93dbfd08817a3.rmeta --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-213ac931f08d71d0.rmeta --extern precomputed_hash=/opt/rustwide/target/debug/deps/libprecomputed_hash-299747ace3dd527e.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-967df49cc7b28c86.rmeta --extern rayon_core=/opt/rustwide/target/debug/deps/librayon_core-4ff98cc5bf125134.rmeta --extern rustc_hash=/opt/rustwide/target/debug/deps/librustc_hash-f5606c320ef3bf71.rmeta --extern selectors=/opt/rustwide/target/debug/deps/libselectors-3d2394cf3bcefa65.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-216a919663beb779.rmeta --extern servo_arc=/opt/rustwide/target/debug/deps/libservo_arc-6b75a2326749dc72.rmeta --extern smallbitvec=/opt/rustwide/target/debug/deps/libsmallbitvec-8d91f978faa99d5c.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-9cbe832150e59a1b.rmeta --extern static_assertions=/opt/rustwide/target/debug/deps/libstatic_assertions-1b4ac743028479c0.rmeta --extern string_cache=/opt/rustwide/target/debug/deps/libstring_cache-df08fef2971947f8.rmeta --extern stylo_atoms=/opt/rustwide/target/debug/deps/libstylo_atoms-bef2300f9258d407.rmeta --extern style_config=/opt/rustwide/target/debug/deps/libstylo_config-a9d4ed8086f28975.rmeta --extern style_derive=/opt/rustwide/target/debug/deps/libstylo_derive-f7e63110c6bb1df3.so --extern dom=/opt/rustwide/target/debug/deps/libstylo_dom-4286f6ba7b37b65c.rmeta --extern malloc_size_of=/opt/rustwide/target/debug/deps/libstylo_malloc_size_of-d91cc552d93cc6e3.rmeta --extern static_prefs=/opt/rustwide/target/debug/deps/libstylo_static_prefs-572bba1692311b29.rmeta --extern style_traits=/opt/rustwide/target/debug/deps/libstyle_traits-63ea446a86004c0a.rmeta --extern thin_vec=/opt/rustwide/target/debug/deps/libthin_vec-d38078481131500c.rmeta --extern to_shmem=/opt/rustwide/target/debug/deps/libto_shmem-f2cb385f8ac12b44.rmeta --extern to_shmem_derive=/opt/rustwide/target/debug/deps/libto_shmem_derive-973a30286a88c7d5.so --extern uluru=/opt/rustwide/target/debug/deps/libuluru-7e26686691782394.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-e5917fe1b3a81916.rmeta --extern void=/opt/rustwide/target/debug/deps/libvoid-4c2c96d8b71d7f44.rmeta --extern web_atoms=/opt/rustwide/target/debug/deps/libweb_atoms-9f3546269ef2c270.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "96bc3a97b11a3f1f6bd8f7fa11b1c7e3e7ef72188e823a1e15a908b1ee335559", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96bc3a97b11a3f1f6bd8f7fa11b1c7e3e7ef72188e823a1e15a908b1ee335559", kill_on_drop: false }`
[INFO] [stdout] 96bc3a97b11a3f1f6bd8f7fa11b1c7e3e7ef72188e823a1e15a908b1ee335559