[INFO] cloning repository https://github.com/ttdonovan/kb-mcp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ttdonovan/kb-mcp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fttdonovan%2Fkb-mcp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fttdonovan%2Fkb-mcp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 415a2f10c95c93cf4867a5af72d956a17d0aec09
[INFO] testing ttdonovan/kb-mcp against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fttdonovan%2Fkb-mcp" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ttdonovan/kb-mcp
[INFO] finished tweaking git repo https://github.com/ttdonovan/kb-mcp
[INFO] tweaked toml for git repo https://github.com/ttdonovan/kb-mcp written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ttdonovan/kb-mcp on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ttdonovan/kb-mcp 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" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6abc883c5b6e94ac5b1c090e0e9e082c724d31b3309bbecdd8bdccfd90032953
[INFO] running `Command { std: "docker" "start" "-a" "6abc883c5b6e94ac5b1c090e0e9e082c724d31b3309bbecdd8bdccfd90032953", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6abc883c5b6e94ac5b1c090e0e9e082c724d31b3309bbecdd8bdccfd90032953", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6abc883c5b6e94ac5b1c090e0e9e082c724d31b3309bbecdd8bdccfd90032953", kill_on_drop: false }`
[INFO] [stdout] 6abc883c5b6e94ac5b1c090e0e9e082c724d31b3309bbecdd8bdccfd90032953
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c869947f1f4b0c1a6a82af3697de1fdb015bbf2ac21e2d362676f327097a13f
[INFO] running `Command { std: "docker" "start" "-a" "6c869947f1f4b0c1a6a82af3697de1fdb015bbf2ac21e2d362676f327097a13f", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling zerocopy v0.8.42
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling darling_core v0.23.0
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling futures-channel v0.3.32
[INFO] [stderr]    Compiling simd-adler32 v0.3.8
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling block-padding v0.3.3
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling zlib-rs v0.6.3
[INFO] [stderr]    Compiling ownedbytes v0.9.0
[INFO] [stderr]    Compiling inout v0.1.4
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling bitpacking v0.9.3
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling utf8-ranges v1.0.5
[INFO] [stderr]    Compiling tantivy-fst v0.5.0
[INFO] [stderr]    Compiling tantivy-bitpacker v0.9.0
[INFO] [stderr]    Compiling tinyvec v1.11.0
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling murmurhash32 v0.3.1
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling unicode-normalization v0.1.25
[INFO] [stderr]    Compiling nom v8.0.0
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.1
[INFO] [stderr]    Compiling fs-err v3.3.0
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling cc v1.2.57
[INFO] [stderr]    Compiling signature v2.2.0
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling virtue v0.0.18
[INFO] [stderr]    Compiling downcast-rs v2.0.2
[INFO] [stderr]    Compiling typeid v1.0.3
[INFO] [stderr]    Compiling unicode-properties v0.1.4
[INFO] [stderr]    Compiling bumpalo v3.20.2
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling zeroize v1.8.2
[INFO] [stderr]    Compiling bytecount v0.6.9
[INFO] [stderr]    Compiling fastdivide v0.4.2
[INFO] [stderr]    Compiling zopfli v0.8.3
[INFO] [stderr]    Compiling stringprep v0.1.5
[INFO] [stderr]    Compiling bincode_derive v2.0.1
[INFO] [stderr]    Compiling ed25519 v2.2.3
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling bitflags v2.11.0
[INFO] [stderr]    Compiling deranged v0.5.8
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling rand_core v0.9.5
[INFO] [stderr]    Compiling chrono v0.4.44
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling hyperloglogplus v0.4.1
[INFO] [stderr]    Compiling zstd-sys v2.0.16+zstd.1.5.7
[INFO] [stderr]    Compiling blake3 v1.8.3
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling tantivy-query-grammar v0.25.0
[INFO] [stderr]    Compiling uuid v1.22.0
[INFO] [stderr]    Compiling sketches-ddsketch v0.3.1
[INFO] [stderr]    Compiling time v0.3.47
[INFO] [stderr]    Compiling flate2 v1.1.9
[INFO] [stderr]    Compiling darling_macro v0.23.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling nom_locate v5.0.0
[INFO] [stderr]    Compiling rust-stemmers v1.2.0
[INFO] [stderr]    Compiling zip v0.6.6
[INFO] [stderr]    Compiling tantivy-tokenizer-api v0.6.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling memmap2 v0.9.10
[INFO] [stderr]    Compiling socket2 v0.6.3
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling darling v0.23.0
[INFO] [stderr]    Compiling bon-macros v3.9.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling mio v1.1.1
[INFO] [stderr]    Compiling cbc v0.1.2
[INFO] [stderr]    Compiling ecb v0.1.2
[INFO] [stderr]    Compiling aes v0.8.4
[INFO] [stderr]    Compiling codepage v0.1.2
[INFO] [stderr]    Compiling quick-xml v0.30.0
[INFO] [stderr]    Compiling arc-swap v1.8.2
[INFO] [stderr]    Compiling fs4 v0.13.1
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling md-5 v0.10.6
[INFO] [stderr]    Compiling measure_time v0.9.0
[INFO] [stderr]    Compiling tokio-macros v2.6.1
[INFO] [stderr]    Compiling rangemap v1.7.1
[INFO] [stderr]    Compiling twox-hash v2.1.2
[INFO] [stderr]    Compiling jiff v0.2.23
[INFO] [stderr]    Compiling ttf-parser v0.25.1
[INFO] [stderr]    Compiling htmlescape v0.3.1
[INFO] [stderr]    Compiling weezl v0.1.12
[INFO] [stderr]    Compiling constant_time_eq v0.4.2
[INFO] [stderr]    Compiling oneshot v0.1.13
[INFO] [stderr]    Compiling ref-cast v1.0.25
[INFO] [stderr]    Compiling levenshtein_automata v0.2.1
[INFO] [stderr]    Compiling typed-path v0.12.3
[INFO] [stderr]    Compiling unty v0.0.4
[INFO] [stderr]    Compiling tantivy-common v0.10.0
[INFO] [stderr]    Compiling census v0.4.2
[INFO] [stderr]    Compiling bincode v2.0.1
[INFO] [stderr]    Compiling tokio v1.50.0
[INFO] [stderr]    Compiling anstyle-parse v1.0.0
[INFO] [stderr]    Compiling atomic-write-file v0.3.0
[INFO] [stderr]    Compiling dirs-sys v0.5.0
[INFO] [stderr]    Compiling lz4_flex v0.12.1
[INFO] [stderr]    Compiling calamine v0.22.1
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling ed25519-dalek v2.2.0
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling tantivy-stacker v0.6.0
[INFO] [stderr]    Compiling tantivy-sstable v0.6.0
[INFO] [stderr]    Compiling quick-xml v0.31.0
[INFO] [stderr]    Compiling ref-cast-impl v1.0.25
[INFO] [stderr]    Compiling anstyle v1.0.14
[INFO] [stderr]    Compiling colorchoice v1.0.5
[INFO] [stderr]    Compiling serde_yaml v0.9.34+deprecated
[INFO] [stderr]    Compiling schemars_derive v1.2.1
[INFO] [stderr]    Compiling anstream v1.0.0
[INFO] [stderr]    Compiling ron v0.12.0
[INFO] [stderr]    Compiling dirs v6.0.0
[INFO] [stderr]    Compiling tantivy-columnar v0.6.0
[INFO] [stderr]    Compiling zip v7.2.0
[INFO] [stderr]    Compiling futures-executor v0.3.32
[INFO] [stderr]    Compiling clap_lex v1.1.0
[INFO] [stderr]    Compiling rmcp v1.5.0
[INFO] [stderr]    Compiling clap_derive v4.6.0
[INFO] [stderr]    Compiling clap_builder v4.6.0
[INFO] [stderr]    Compiling futures v0.3.32
[INFO] [stderr]    Compiling matchers v0.2.0
[INFO] [stderr]    Compiling tracing-log v0.2.0
[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/33835004928d3bf65db4d4712e1330766263b0bd/bin/rustc --crate-name regex_automata --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-automata-0.4.14/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-build"' --cfg 'feature="dfa-onepass"' --cfg 'feature="dfa-search"' --cfg 'feature="hybrid"' --cfg 'feature="meta"' --cfg 'feature="nfa-backtrack"' --cfg 'feature="nfa-pikevm"' --cfg 'feature="nfa-thompson"' --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=faa3d2cb72fb05ce -C extra-filename=-da0f642888b5c097 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern aho_corasick=/opt/rustwide/target/debug/deps/libaho_corasick-35cdf3f7cc0ed821.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-6ec7892d08963d79.rmeta --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-33adcf3d7e28903a.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" "6c869947f1f4b0c1a6a82af3697de1fdb015bbf2ac21e2d362676f327097a13f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c869947f1f4b0c1a6a82af3697de1fdb015bbf2ac21e2d362676f327097a13f", kill_on_drop: false }`
[INFO] [stdout] 6c869947f1f4b0c1a6a82af3697de1fdb015bbf2ac21e2d362676f327097a13f