[INFO] fetching crate stylus-inkwell 0.1.0...
[INFO] testing stylus-inkwell-0.1.0 against beta-2026-04-21 for beta-1.96-1
[INFO] extracting crate stylus-inkwell 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate stylus-inkwell 0.1.0
[INFO] finished tweaking crates.io crate stylus-inkwell 0.1.0
[INFO] tweaked toml for crates.io crate stylus-inkwell 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stylus-inkwell 0.1.0 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] crate crates.io crate stylus-inkwell 0.1.0 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-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-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c126fe14b6f1c65a00f77e23068c0ef75701b15e4c490b971083478383a9d83f
[INFO] running `Command { std: "docker" "start" "-a" "c126fe14b6f1c65a00f77e23068c0ef75701b15e4c490b971083478383a9d83f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c126fe14b6f1c65a00f77e23068c0ef75701b15e4c490b971083478383a9d83f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c126fe14b6f1c65a00f77e23068c0ef75701b15e4c490b971083478383a9d83f", kill_on_drop: false }`
[INFO] [stdout] c126fe14b6f1c65a00f77e23068c0ef75701b15e4c490b971083478383a9d83f
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6c53fc3ca31db9659eed3a44c6ff5f434d29df385950ce789ec26998575b896
[INFO] running `Command { std: "docker" "start" "-a" "d6c53fc3ca31db9659eed3a44c6ff5f434d29df385950ce789ec26998575b896", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling libc v0.2.182
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling generic-array v0.14.9
[INFO] [stderr]    Compiling cc v1.2.56
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling ruint-macro v1.2.1
[INFO] [stderr]    Compiling convert_case v0.10.0
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]    Compiling foldhash v0.1.5
[INFO] [stderr]    Compiling const-hex v1.17.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling winnow v0.7.14
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]    Compiling zerocopy v0.8.39
[INFO] [stderr]    Compiling openssl v0.10.75
[INFO] [stderr]    Compiling futures-utils-wasm v0.1.0
[INFO] [stderr]    Compiling rustls v0.23.36
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling bimap v0.6.3
[INFO] [stderr]    Compiling data-encoding v2.10.0
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling doctest-file v1.0.0
[INFO] [stderr]    Compiling hashbrown v0.13.2
[INFO] [stderr]    Compiling getrandom v0.4.1
[INFO] [stderr]    Compiling clap_lex v1.0.0
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling syn v2.0.116
[INFO] [stderr]    Compiling regex-syntax v0.8.9
[INFO] [stderr]    Compiling anyhow v1.0.101
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling clap_builder v4.5.59
[INFO] [stderr]    Compiling toml_datetime v0.7.5+spec-1.1.0
[INFO] [stderr]    Compiling serde_spanned v1.0.4
[INFO] [stderr]    Compiling toml_writer v1.0.6+spec-1.1.0
[INFO] [stderr]    Compiling indenter v0.3.4
[INFO] [stderr]    Compiling colored v2.2.0
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling mio v1.1.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling socket2 v0.6.2
[INFO] [stderr]    Compiling openssl-sys v0.9.111
[INFO] [stderr]    Compiling blst v0.3.16
[INFO] [stderr]    Compiling ff v0.13.1
[INFO] [stderr]    Compiling ruint v1.17.2
[INFO] [stderr]    Compiling group v0.13.0
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling c-kzg v1.0.3
[INFO] [stderr]    Compiling native-tls v0.2.18
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling dashmap v6.1.0
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling rand_core v0.9.5
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]    Compiling toml_parser v1.0.9+spec-1.1.0
[INFO] [stderr] error: could not compile `regex-syntax` (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 regex_syntax --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-syntax-0.8.9/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 -C debuginfo=2 --allow=unexpected_cfgs --check-cfg 'cfg(docsrs_regex)' --cfg 'feature="default"' --cfg 'feature="std"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("arbitrary", "default", "std", "unicode", "unicode-age", "unicode-bool", "unicode-case", "unicode-gencat", "unicode-perl", "unicode-script", "unicode-segment"))' -C metadata=3cfac44577aae2c7 -C extra-filename=-60f0730b2f1d2344 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --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" "d6c53fc3ca31db9659eed3a44c6ff5f434d29df385950ce789ec26998575b896", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6c53fc3ca31db9659eed3a44c6ff5f434d29df385950ce789ec26998575b896", kill_on_drop: false }`
[INFO] [stdout] d6c53fc3ca31db9659eed3a44c6ff5f434d29df385950ce789ec26998575b896