[INFO] cloning repository https://github.com/vincenzomerolla/css-gradient-parser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vincenzomerolla/css-gradient-parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvincenzomerolla%2Fcss-gradient-parser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvincenzomerolla%2Fcss-gradient-parser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4afd13a60b2ba6ccb751953e8938d0def1df3d49
[INFO] testing vincenzomerolla/css-gradient-parser against beta-2026-04-21 for beta-1.96-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvincenzomerolla%2Fcss-gradient-parser" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/vincenzomerolla/css-gradient-parser
[INFO] finished tweaking git repo https://github.com/vincenzomerolla/css-gradient-parser
[INFO] tweaked toml for git repo https://github.com/vincenzomerolla/css-gradient-parser written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/vincenzomerolla/css-gradient-parser 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 132 packages to latest compatible versions
[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] 227cade8ce8e4ae9abe825a7d8ca1fca65449fa3ebc269b0a02eca0b2a16d86d
[INFO] running `Command { std: "docker" "start" "-a" "227cade8ce8e4ae9abe825a7d8ca1fca65449fa3ebc269b0a02eca0b2a16d86d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "227cade8ce8e4ae9abe825a7d8ca1fca65449fa3ebc269b0a02eca0b2a16d86d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "227cade8ce8e4ae9abe825a7d8ca1fca65449fa3ebc269b0a02eca0b2a16d86d", kill_on_drop: false }`
[INFO] [stdout] 227cade8ce8e4ae9abe825a7d8ca1fca65449fa3ebc269b0a02eca0b2a16d86d
[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] 7eddcc8bd0864a26e04881e416b53eeee5fd68d9acbb335f876f7d2f69656186
[INFO] running `Command { std: "docker" "start" "-a" "7eddcc8bd0864a26e04881e416b53eeee5fd68d9acbb335f876f7d2f69656186", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling siphasher v1.0.2
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling itoa v1.0.18
[INFO] [stderr]    Compiling unicode-segmentation v1.13.2
[INFO] [stderr]    Compiling futures-core v0.3.32
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]    Compiling napi-build v2.3.1
[INFO] [stderr]    Compiling futures-sink v0.3.32
[INFO] [stderr]    Compiling dtoa v1.0.11
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling rand v0.8.6
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling futures-channel v0.3.32
[INFO] [stderr]    Compiling outref v0.1.0
[INFO] [stderr]    Compiling dtoa-short v0.3.5
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling futures-io v0.3.32
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling slab v0.4.12
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling hashbrown v0.17.0
[INFO] [stderr]    Compiling dtor-proc-macro v0.0.13
[INFO] [stderr]    Compiling rkyv v0.7.46
[INFO] [stderr]    Compiling futures-task v0.3.32
[INFO] [stderr]    Compiling pin-project-lite v0.2.17
[INFO] [stderr]    Compiling simd-abstraction v0.7.1
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling rustc-hash v2.1.2
[INFO] [stderr]    Compiling matches v0.1.10
[INFO] [stderr]    Compiling seahash v4.1.0
[INFO] [stderr]    Compiling dtor v0.8.1
[INFO] [stderr]    Compiling ctor-proc-macro v0.0.13
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling data-url v0.1.1
[INFO] [stderr]    Compiling base64-simd v0.7.0
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]    Compiling convert_case v0.11.0
[INFO] [stderr]    Compiling napi v3.8.5
[INFO] [stderr]    Compiling libloading v0.9.0
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling semver v1.0.28
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling ctor v0.10.1
[INFO] [stderr]    Compiling vlq v0.5.1
[INFO] [stderr]    Compiling phf_codegen v0.11.3
[INFO] [stderr]    Compiling napi-sys v3.2.1
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling css_gradient_parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling data-encoding v2.10.0
[INFO] [stderr]    Compiling pastey v0.1.1
[INFO] [stderr]    Compiling pathdiff v0.2.3
[INFO] [stderr]    Compiling nohash-hasher v0.2.0
[INFO] [stderr]    Compiling parcel_selectors v0.28.2
[INFO] [stderr]    Compiling rayon v1.12.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling indexmap v2.14.0
[INFO] [stderr]    Compiling bitflags v2.11.1
[INFO] [stderr]    Compiling ptr_meta_derive v0.1.4
[INFO] [stderr]    Compiling rkyv_derive v0.7.46
[INFO] [stderr]    Compiling static-self-derive v0.1.1
[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 ptr_meta v0.1.4
[INFO] [stderr]    Compiling napi-derive-backend v5.0.3
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling phf_macros v0.11.3
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling cssparser-macros v0.6.1
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling phf v0.11.3
[INFO] [stderr]    Compiling napi-derive v3.5.4
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling serde-content v0.1.2
[INFO] [stderr]    Compiling parcel_sourcemap v2.1.1
[INFO] [stderr]    Compiling cssparser v0.33.0
[INFO] [stderr]    Compiling futures-executor v0.3.32
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling static-self v0.1.2
[INFO] [stderr]    Compiling dashmap v5.5.3
[INFO] [stderr]    Compiling futures v0.3.32
[INFO] [stderr]    Compiling cssparser-color v0.1.0
[INFO] [stderr]    Compiling lightningcss v1.0.0-alpha.71
[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.71/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="bundler"' --cfg 'feature="dashmap"' --cfg 'feature="default"' --cfg 'feature="into_owned"' --cfg 'feature="nodejs"' --cfg 'feature="parcel_sourcemap"' --cfg 'feature="rayon"' --cfg 'feature="serde"' --cfg 'feature="sourcemap"' --cfg 'feature="static-self"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("atty", "browserslist", "browserslist-rs", "bundler", "clap", "cli", "dashmap", "default", "into_owned", "jemallocator", "jsonschema", "nodejs", "parcel_sourcemap", "rayon", "schemars", "serde", "serde_json", "sourcemap", "static-self", "substitute_variables", "visitor"))' -C metadata=a889bd0b33930b78 -C extra-filename=-4df25497186d3c3d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ahash=/opt/rustwide/target/debug/deps/libahash-4c3fe92f636d9206.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-2e2eeff23f140ee6.rmeta --extern const_str=/opt/rustwide/target/debug/deps/libconst_str-81a94013aac939ef.rmeta --extern cssparser=/opt/rustwide/target/debug/deps/libcssparser-6f9d539f759f9cfd.rmeta --extern cssparser_color=/opt/rustwide/target/debug/deps/libcssparser_color-022c60bf0572f6b0.rmeta --extern dashmap=/opt/rustwide/target/debug/deps/libdashmap-50cef494de113f55.rmeta --extern data_encoding=/opt/rustwide/target/debug/deps/libdata_encoding-d189d998bb91ed7b.rmeta --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-bab204f9f2e08ebb.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-7c9e2abe23aba94c.so --extern parcel_selectors=/opt/rustwide/target/debug/deps/libparcel_selectors-4f231e89a1f66c59.rmeta --extern parcel_sourcemap=/opt/rustwide/target/debug/deps/libparcel_sourcemap-90346f5443cc10ea.rmeta --extern pastey=/opt/rustwide/target/debug/deps/libpastey-0f2ed6bc5d97d847.so --extern pathdiff=/opt/rustwide/target/debug/deps/libpathdiff-c1a8d9107659fbd3.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-75c1444cb4b18189.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-89fc4cc7ea4fd80b.rmeta --extern serde_content=/opt/rustwide/target/debug/deps/libserde_content-9c90014cb09e9ed5.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-3dbba0f32b5a749a.rmeta --extern static_self=/opt/rustwide/target/debug/deps/libstatic_self-7af4467031667fcf.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "7eddcc8bd0864a26e04881e416b53eeee5fd68d9acbb335f876f7d2f69656186", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7eddcc8bd0864a26e04881e416b53eeee5fd68d9acbb335f876f7d2f69656186", kill_on_drop: false }`
[INFO] [stdout] 7eddcc8bd0864a26e04881e416b53eeee5fd68d9acbb335f876f7d2f69656186