[INFO] fetching crate mdbook_rash 2.16.1...
[INFO] documenting mdbook_rash-2.16.1 against beta-2025-09-21 for beta-rustdoc-1.91-2
[INFO] extracting crate mdbook_rash 2.16.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate mdbook_rash 2.16.1
[INFO] finished tweaking crates.io crate mdbook_rash 2.16.1
[INFO] tweaked toml for crates.io crate mdbook_rash 2.16.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mdbook_rash 2.16.1 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 mdbook_rash 2.16.1 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 0bcf9c4ecf9613bfd0f67c4e6db3d27bd1f6e393a64f00fde508d51d1dafbdc4
[INFO] running `Command { std: "docker" "start" "-a" "0bcf9c4ecf9613bfd0f67c4e6db3d27bd1f6e393a64f00fde508d51d1dafbdc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0bcf9c4ecf9613bfd0f67c4e6db3d27bd1f6e393a64f00fde508d51d1dafbdc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bcf9c4ecf9613bfd0f67c4e6db3d27bd1f6e393a64f00fde508d51d1dafbdc4", kill_on_drop: false }`
[INFO] [stdout] 0bcf9c4ecf9613bfd0f67c4e6db3d27bd1f6e393a64f00fde508d51d1dafbdc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ded536157a38c21b4939e8cab07e47313e43e649d6ce164f74cbef75b0de7fbd
[INFO] running `Command { std: "docker" "start" "-a" "ded536157a38c21b4939e8cab07e47313e43e649d6ce164f74cbef75b0de7fbd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]     Checking bitflags v2.9.1
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling cc v1.2.27
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]     Checking linux-raw-sys v0.9.4
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling rustls v0.23.28
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking anstyle-query v1.1.3
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]     Checking anstream v0.6.19
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]     Checking webpki-roots v1.0.1
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling rust_decimal v1.37.2
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking glob v0.3.2
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]    Compiling pulldown-cmark v0.10.3
[INFO] [stderr]    Compiling prs-lib v0.5.2
[INFO] [stderr]    Compiling dyn-clone v1.0.19
[INFO] [stderr]     Checking num-modular v0.6.1
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]     Checking env_home v0.1.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking indexmap v2.9.0
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]     Checking csv-core v0.1.12
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]     Checking git-state v0.1.0
[INFO] [stderr]     Checking num-order v1.2.0
[INFO] [stderr]     Checking memo-map v0.3.3
[INFO] [stderr]     Checking unsafe-libyaml-norway v0.2.15
[INFO] [stderr]     Checking jiff v0.2.15
[INFO] [stderr]     Checking version-compare v0.2.0
[INFO] [stderr]     Checking pulldown-cmark-escape v0.10.1
[INFO] [stderr]     Checking self_cell v1.2.0
[INFO] [stderr]     Checking byte-unit v5.1.6
[INFO] [stderr]     Checking chrono v0.4.41
[INFO] [stderr]     Checking fern v0.7.1
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]     Checking encode_unicode v1.0.0
[INFO] [stderr] error: could not compile `syn` (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 syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.104/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="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=b1a18af374189002 -C extra-filename=-28b084b2bdac93dd --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-854696e6ecb228db.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-2fa5dbbdcf3ea8ea.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-958b805d9ab3f4fe.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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] running `Command { std: "docker" "inspect" "ded536157a38c21b4939e8cab07e47313e43e649d6ce164f74cbef75b0de7fbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ded536157a38c21b4939e8cab07e47313e43e649d6ce164f74cbef75b0de7fbd", kill_on_drop: false }`
[INFO] [stdout] ded536157a38c21b4939e8cab07e47313e43e649d6ce164f74cbef75b0de7fbd
