[INFO] fetching crate titan-core 0.4.2...
[INFO] testing titan-core-0.4.2 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate titan-core 0.4.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate titan-core 0.4.2
[INFO] finished tweaking crates.io crate titan-core 0.4.2
[INFO] tweaked toml for crates.io crate titan-core 0.4.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate titan-core 0.4.2 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 154 packages to latest compatible versions
[INFO] [stderr]       Adding lambda_http v0.14.0 (available: v1.1.3)
[INFO] [stderr]       Adding lightningcss v1.0.0-alpha.65 (available: v1.0.0-alpha.71)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f53853394ba9c6b3d1e95c45f63f52f642310c8dbfe9132f2fb234abb9f514b
[INFO] running `Command { std: "docker" "start" "-a" "7f53853394ba9c6b3d1e95c45f63f52f642310c8dbfe9132f2fb234abb9f514b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f53853394ba9c6b3d1e95c45f63f52f642310c8dbfe9132f2fb234abb9f514b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f53853394ba9c6b3d1e95c45f63f52f642310c8dbfe9132f2fb234abb9f514b", kill_on_drop: false }`
[INFO] [stdout] 7f53853394ba9c6b3d1e95c45f63f52f642310c8dbfe9132f2fb234abb9f514b
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a60fb1c877e555b44ee51a57cc66f71d7aaf00191bf26159ada5393d73aac4b
[INFO] running `Command { std: "docker" "start" "-a" "9a60fb1c877e555b44ee51a57cc66f71d7aaf00191bf26159ada5393d73aac4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling dtoa v1.0.11
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling rustc-hash v2.1.2
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling data-encoding v2.11.0
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling dtoa-short v0.3.5
[INFO] [stderr]    Compiling rand v0.8.6
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling http v1.4.0
[INFO] [stderr]    Compiling slab v0.4.12
[INFO] [stderr]    Compiling futures-task v0.3.32
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling phf_codegen v0.11.3
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling parcel_selectors v0.28.2
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling titan-http v0.4.2
[INFO] [stderr]    Compiling tower v0.5.3
[INFO] [stderr]    Compiling indexmap v2.14.0
[INFO] [stderr]    Compiling const-str-proc-macro v0.3.2
[INFO] [stderr]    Compiling lightningcss-derive v1.0.0-alpha.43
[INFO] [stderr]    Compiling const-str v0.3.2
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling phf_macros v0.11.3
[INFO] [stderr]    Compiling cssparser-macros v0.6.1
[INFO] [stderr]    Compiling zerovec-derive v0.11.3
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling zerofrom-derive v0.1.7
[INFO] [stderr]    Compiling yoke-derive v0.8.2
[INFO] [stderr]    Compiling phf v0.11.3
[INFO] [stderr]    Compiling cssparser v0.33.0
[INFO] [stderr]    Compiling zerofrom v0.1.7
[INFO] [stderr]    Compiling yoke v0.8.2
[INFO] [stderr]    Compiling zerovec v0.11.6
[INFO] [stderr]    Compiling zerotrie v0.2.4
[INFO] [stderr]    Compiling cssparser-color v0.1.0
[INFO] [stderr]    Compiling tinystr v0.8.3
[INFO] [stderr]    Compiling potential_utf v0.1.5
[INFO] [stderr]    Compiling icu_collections v2.2.0
[INFO] [stderr]    Compiling icu_locale_core v2.2.0
[INFO] [stderr]    Compiling lightningcss v1.0.0-alpha.65
[INFO] [stderr]    Compiling icu_provider v2.2.0
[INFO] [stderr]    Compiling icu_properties v2.2.0
[INFO] [stderr]    Compiling icu_normalizer v2.2.0
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling url v2.5.8
[INFO] [stderr]    Compiling titan-html-core v0.4.2
[INFO] [stderr]    Compiling titan-utils v0.4.2
[INFO] [stderr] error: could not compile `lightningcss` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2026-04-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name lightningcss --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/lightningcss-1.0.0-alpha.65/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type rlib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="grid"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("atty", "browserslist", "browserslist-rs", "bundler", "clap", "cli", "dashmap", "default", "grid", "into_owned", "jemallocator", "jsonschema", "nodejs", "parcel_sourcemap", "rayon", "schemars", "serde", "serde_json", "sourcemap", "static-self", "substitute_variables", "visitor"))' -C metadata=55b1c5c5e233874d -C extra-filename=-6f09b0e2f0eb519d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ahash=/opt/rustwide/target/debug/deps/libahash-f1c2a7df853817cc.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-9fb7a6088bc9261e.rmeta --extern const_str=/opt/rustwide/target/debug/deps/libconst_str-a575658dc3355c49.rmeta --extern cssparser=/opt/rustwide/target/debug/deps/libcssparser-14b480a8645381e6.rmeta --extern cssparser_color=/opt/rustwide/target/debug/deps/libcssparser_color-0920fb91b0f37cac.rmeta --extern data_encoding=/opt/rustwide/target/debug/deps/libdata_encoding-94395f2c53e872fd.rmeta --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-723a3776754a5eab.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-865fec29ce5d3c02.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-58edaf41543212f3.rmeta --extern lightningcss_derive=/opt/rustwide/target/debug/deps/liblightningcss_derive-1766f490609ad6a4.so --extern parcel_selectors=/opt/rustwide/target/debug/deps/libparcel_selectors-89048f6d0b26606d.rmeta --extern paste=/opt/rustwide/target/debug/deps/libpaste-e99c5ab9be878770.so --extern pathdiff=/opt/rustwide/target/debug/deps/libpathdiff-c1a8d9107659fbd3.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-91865b9eb03cb119.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" "9a60fb1c877e555b44ee51a57cc66f71d7aaf00191bf26159ada5393d73aac4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a60fb1c877e555b44ee51a57cc66f71d7aaf00191bf26159ada5393d73aac4b", kill_on_drop: false }`
[INFO] [stdout] 9a60fb1c877e555b44ee51a57cc66f71d7aaf00191bf26159ada5393d73aac4b
