[INFO] fetching crate mdbook-epub 0.4.51...
[INFO] building mdbook-epub-0.4.51 against master#eb171a227f9e5de5d376b6edb56b174bc8235fb3 for pr-149937
[INFO] extracting crate mdbook-epub 0.4.51 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate mdbook-epub 0.4.51
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mdbook-epub 0.4.51
[INFO] tweaked toml for crates.io crate mdbook-epub 0.4.51 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mdbook-epub 0.4.51 on toolchain eb171a227f9e5de5d376b6edb56b174bc8235fb3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eb171a227f9e5de5d376b6edb56b174bc8235fb3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mdbook-epub 0.4.51 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" "+eb171a227f9e5de5d376b6edb56b174bc8235fb3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xml-rs v1.0.0
[INFO] [stderr]   Downloaded derive_arbitrary v1.4.2
[INFO] [stderr]   Downloaded normpath v1.5.0
[INFO] [stderr]   Downloaded doc-comment v0.3.4
[INFO] [stderr]   Downloaded opener v0.8.3
[INFO] [stderr]   Downloaded mockall_derive v0.13.1
[INFO] [stderr]   Downloaded infer v0.19.0
[INFO] [stderr]   Downloaded mockall v0.13.1
[INFO] [stderr]   Downloaded libz-rs-sys v0.5.2
[INFO] [stderr]   Downloaded ureq-proto v0.5.3
[INFO] [stderr]   Downloaded arbitrary v1.4.2
[INFO] [stderr]   Downloaded xml v1.2.0
[INFO] [stderr]   Downloaded ignore v0.4.25
[INFO] [stderr]   Downloaded clap_complete v4.5.61
[INFO] [stderr]   Downloaded zopfli v0.8.3
[INFO] [stderr]   Downloaded upon v0.10.0
[INFO] [stderr]   Downloaded ureq v3.1.4
[INFO] [stderr]   Downloaded html_parser v0.7.0
[INFO] [stderr]   Downloaded cfb v0.7.3
[INFO] [stderr]   Downloaded zip v6.0.0
[INFO] [stderr]   Downloaded scc v2.4.0
[INFO] [stderr]   Downloaded epub-builder v0.8.2
[INFO] [stderr]   Downloaded zlib-rs v0.5.2
[INFO] [stderr]   Downloaded cssparser v0.35.0
[INFO] [stderr]   Downloaded ammonia v4.1.2
[INFO] [stderr]   Downloaded epub v2.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+eb171a227f9e5de5d376b6edb56b174bc8235fb3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 901b1e3a53dc146dded648ae45fb66187959e833857c211eee6baa27830fe65f
[INFO] running `Command { std: "docker" "start" "-a" "901b1e3a53dc146dded648ae45fb66187959e833857c211eee6baa27830fe65f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "901b1e3a53dc146dded648ae45fb66187959e833857c211eee6baa27830fe65f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "901b1e3a53dc146dded648ae45fb66187959e833857c211eee6baa27830fe65f", kill_on_drop: false }`
[INFO] [stdout] 901b1e3a53dc146dded648ae45fb66187959e833857c211eee6baa27830fe65f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+eb171a227f9e5de5d376b6edb56b174bc8235fb3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec07ef678a0f56741a6619ec2f922556c0123aad08f07b24994504c7664afa0d
[INFO] running `Command { std: "docker" "start" "-a" "ec07ef678a0f56741a6619ec2f922556c0123aad08f07b24994504c7664afa0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling http v1.4.0
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling tracing-core v0.1.35
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling mio v1.1.0
[INFO] [stderr]    Compiling cc v1.2.48
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling pest v2.8.4
[INFO] [stderr]    Compiling unicase v2.8.1
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling anstream v0.6.21
[INFO] [stderr]    Compiling futf v0.1.5
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling zlib-rs v0.5.2
[INFO] [stderr]    Compiling tracing v0.1.43
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling rustls-pki-types v1.13.1
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling phf_codegen v0.11.3
[INFO] [stderr]    Compiling string_cache_codegen v0.5.4
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling tendril v0.4.3
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling data-encoding v2.9.0
[INFO] [stderr]    Compiling web_atoms v0.1.3
[INFO] [stderr]    Compiling dtoa v1.0.10
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling dtoa-short v0.3.5
[INFO] [stderr]    Compiling inotify v0.11.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling uuid v1.18.1
[INFO] [stderr]    Compiling num-modular v0.6.1
[INFO] [stderr]    Compiling rustls v0.23.35
[INFO] [stderr]    Compiling doc-comment v0.3.4
[INFO] [stderr]    Compiling pest_meta v2.8.4
[INFO] [stderr]    Compiling notify-types v2.0.0
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling bumpalo v3.19.0
[INFO] [stderr]    Compiling notify v8.2.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling pulldown-cmark v0.10.3
[INFO] [stderr]    Compiling time v0.3.44
[INFO] [stderr]    Compiling zopfli v0.8.3
[INFO] [stderr]    Compiling axum-core v0.5.5
[INFO] [stderr]    Compiling terminal_size v0.4.3
[INFO] [stderr]    Compiling clap_builder v4.5.53
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling num-order v1.2.0
[INFO] [stderr]    Compiling getopts v0.2.24
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling jiff v0.2.16
[INFO] [stderr]    Compiling utf8-width v0.1.8
[INFO] [stderr]    Compiling pulldown-cmark-escape v0.10.1
[INFO] [stderr]    Compiling http-range-header v0.4.2
[INFO] [stderr]    Compiling matchit v0.8.4
[INFO] [stderr]    Compiling html-escape v0.2.13
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.34
[INFO] [stderr]    Compiling cfb v0.7.3
[INFO] [stderr]    Compiling notify-debouncer-mini v0.6.0
[INFO] [stderr]    Compiling ureq-proto v0.5.3
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling webpki-roots v1.0.4
[INFO] [stderr]    Compiling pathdiff v0.2.3
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling pest_generator v2.8.4
[INFO] [stderr]    Compiling serde_path_to_error v0.1.20
[INFO] [stderr]    Compiling topological-sort v0.2.2
[INFO] [stderr]    Compiling const_format v0.2.35
[INFO] [stderr]    Compiling infer v0.19.0
[INFO] [stderr]    Compiling libz-rs-sys v0.5.2
[INFO] [stderr]    Compiling flate2 v1.1.5
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling yoke-derive v0.8.1
[INFO] [stderr]    Compiling zerovec-derive v0.11.2
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling phf_macros v0.11.3
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling cssparser-macros v0.6.1
[INFO] [stderr]    Compiling match_token v0.35.0
[INFO] [stderr]    Compiling clap_derive v4.5.49
[INFO] [stderr]    Compiling pest_derive v2.8.4
[INFO] [stderr]    Compiling phf v0.11.3
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling bstr v1.12.1
[INFO] [stderr]    Compiling cssparser v0.35.0
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling env_filter v0.1.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling globset v0.4.18
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling tungstenite v0.28.0
[INFO] [stderr]    Compiling opener v0.8.3
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling yoke v0.8.1
[INFO] [stderr]    Compiling zip v6.0.0
[INFO] [stderr]    Compiling rustls-webpki v0.103.8
[INFO] [stderr]    Compiling zerovec v0.11.5
[INFO] [stderr]    Compiling zerotrie v0.2.3
[INFO] [stderr]    Compiling ignore v0.4.25
[INFO] [stderr] error: could not compile `regex-automata` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/eb171a227f9e5de5d376b6edb56b174bc8235fb3/bin/rustc --crate-name regex_automata --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-automata-0.4.13/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="alloc"' --cfg 'feature="dfa-onepass"' --cfg 'feature="dfa-search"' --cfg 'feature="hybrid"' --cfg 'feature="meta"' --cfg 'feature="nfa"' --cfg 'feature="nfa-backtrack"' --cfg 'feature="nfa-pikevm"' --cfg 'feature="nfa-thompson"' --cfg 'feature="perf"' --cfg 'feature="perf-inline"' --cfg 'feature="perf-literal"' --cfg 'feature="perf-literal-multisubstring"' --cfg 'feature="perf-literal-substring"' --cfg 'feature="std"' --cfg 'feature="syntax"' --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"' --cfg 'feature="unicode-word-boundary"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc", "default", "dfa", "dfa-build", "dfa-onepass", "dfa-search", "hybrid", "internal-instrument", "internal-instrument-pikevm", "logging", "meta", "nfa", "nfa-backtrack", "nfa-pikevm", "nfa-thompson", "perf", "perf-inline", "perf-literal", "perf-literal-multisubstring", "perf-literal-substring", "std", "syntax", "unicode", "unicode-age", "unicode-bool", "unicode-case", "unicode-gencat", "unicode-perl", "unicode-script", "unicode-segment", "unicode-word-boundary"))' -C metadata=67e9d8f980844071 -C extra-filename=-5ab0f6a7ef7ed31a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern aho_corasick=/opt/rustwide/target/debug/deps/libaho_corasick-a1a598f8da60da74.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-f9c66c7ba21bf873.rmeta --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-d40cde7d2fd22dd8.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ec07ef678a0f56741a6619ec2f922556c0123aad08f07b24994504c7664afa0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec07ef678a0f56741a6619ec2f922556c0123aad08f07b24994504c7664afa0d", kill_on_drop: false }`
[INFO] [stdout] ec07ef678a0f56741a6619ec2f922556c0123aad08f07b24994504c7664afa0d