[INFO] fetching crate linera-chain 0.15.3...
[INFO] documenting linera-chain-0.15.3 against beta-2025-09-21 for beta-rustdoc-1.91-2
[INFO] extracting crate linera-chain 0.15.3 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate linera-chain 0.15.3
[INFO] finished tweaking crates.io crate linera-chain 0.15.3
[INFO] tweaked toml for crates.io crate linera-chain 0.15.3 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate linera-chain 0.15.3 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate linera-chain 0.15.3 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 530517cde0d955819ee3d8301e76dacd1a33f3522e5fdbda9bb2442c53b6827e
[INFO] running `Command { std: "docker" "start" "-a" "530517cde0d955819ee3d8301e76dacd1a33f3522e5fdbda9bb2442c53b6827e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "530517cde0d955819ee3d8301e76dacd1a33f3522e5fdbda9bb2442c53b6827e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "530517cde0d955819ee3d8301e76dacd1a33f3522e5fdbda9bb2442c53b6827e", kill_on_drop: false }`
[INFO] [stdout] 530517cde0d955819ee3d8301e76dacd1a33f3522e5fdbda9bb2442c53b6827e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 261714d99a82a0a4cef5cb3691fedd231b8491f79d3d39d719a567120118de94
[INFO] running `Command { std: "docker" "start" "-a" "261714d99a82a0a4cef5cb3691fedd231b8491f79d3d39d719a567120118de94", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.97
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]     Checking const-oid v0.9.6
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling thiserror v2.0.14
[INFO] [stderr]     Checking foldhash v0.1.5
[INFO] [stderr]     Checking allocator-api2 v0.2.21
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]     Checking base64ct v1.6.0
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking lock_api v0.4.13
[INFO] [stderr]     Checking bitflags v2.9.1
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling bytecheck v0.6.12
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking pem-rfc7468 v0.7.0
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]     Checking simdutf8 v0.1.5
[INFO] [stderr]    Compiling rend v0.4.2
[INFO] [stderr]    Compiling frunk_core v0.4.4
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling rkyv v0.7.45
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling winnow v0.7.12
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling linera-witty-macros v0.15.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking socket2 v0.6.0
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling syn v2.0.105
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stderr]    Compiling jobserver v0.1.33
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]     Checking socket2 v0.5.10
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling corosensei v0.1.4
[INFO] [stderr]    Compiling cc v1.2.32
[INFO] [stderr]    Compiling multer v3.1.0
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]     Checking encoding_rs v0.8.35
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]    Compiling protobuf v2.28.0
[INFO] [stderr]     Checking keccak v0.1.5
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling anyhow v1.0.99
[INFO] [stderr]     Checking adler2 v2.0.1
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]     Checking gimli v0.31.1
[INFO] [stderr]     Checking linux-raw-sys v0.9.4
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[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-2025-09-21-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-0.8.5/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 --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=74d7e34ad724d19a -C extra-filename=-a639a9b6797e8ec9 --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" "261714d99a82a0a4cef5cb3691fedd231b8491f79d3d39d719a567120118de94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "261714d99a82a0a4cef5cb3691fedd231b8491f79d3d39d719a567120118de94", kill_on_drop: false }`
[INFO] [stdout] 261714d99a82a0a4cef5cb3691fedd231b8491f79d3d39d719a567120118de94
