[INFO] updating cached repository https://github.com/maan2003/docsrs-mcp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cff8ab292d47c39209588a38585266c289d6c633
[INFO] testing maan2003/docsrs-mcp/cff8ab292d47c39209588a38585266c289d6c633 against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaan2003%2Fdocsrs-mcp" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/maan2003/docsrs-mcp
[INFO] finished tweaking git repo https://github.com/maan2003/docsrs-mcp
[INFO] tweaked toml for git repo https://github.com/maan2003/docsrs-mcp written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/maan2003/docsrs-mcp on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/maan2003/docsrs-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12d26a8cea55a6de13434cf41e16ef80a2f0ffb2a6481eb99a763f8dbc3e8946
[INFO] running `Command { std: "docker" "start" "-a" "12d26a8cea55a6de13434cf41e16ef80a2f0ffb2a6481eb99a763f8dbc3e8946", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12d26a8cea55a6de13434cf41e16ef80a2f0ffb2a6481eb99a763f8dbc3e8946", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12d26a8cea55a6de13434cf41e16ef80a2f0ffb2a6481eb99a763f8dbc3e8946", kill_on_drop: false }`
[INFO] [stdout] 12d26a8cea55a6de13434cf41e16ef80a2f0ffb2a6481eb99a763f8dbc3e8946
[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=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3105460b71db724bbfaa217276efa7c6a67ede6b4fe6e196e518dbdc59ad178d
[INFO] running `Command { std: "docker" "start" "-a" "3105460b71db724bbfaa217276efa7c6a67ede6b4fe6e196e518dbdc59ad178d", kill_on_drop: false }`
[INFO] [stderr]    Compiling jobserver v0.1.33
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rustls v0.23.28
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling anstyle-parse v0.2.7
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]    Compiling schemars v0.8.22
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling anstyle v1.0.11
[INFO] [stderr]    Compiling colorchoice v1.0.4
[INFO] [stderr]    Compiling anstyle-query v1.1.3
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling idna v1.0.3
[INFO] [stderr]    Compiling webpki-roots v1.0.1
[INFO] [stderr]    Compiling anstream v0.6.19
[INFO] [stderr]    Compiling dyn-clone v1.0.19
[INFO] [stderr]    Compiling cc v1.2.27
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling tokio v1.45.1
[INFO] [stderr]    Compiling clap_lex v0.7.5
[INFO] [stderr]    Compiling url v2.5.4
[INFO] [stderr]    Compiling clap_builder v4.5.40
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling clap_derive v4.5.40
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling urlencoding v2.1.3
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr] error: could not compile `darling_core` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/733b47ea4b1b86216f14ef56e49440c33933f230/bin/rustc --crate-name darling_core --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/darling_core-0.20.11/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="strsim"' --cfg 'feature="suggestions"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("diagnostics", "strsim", "suggestions"))' -C metadata=c9114faed62c51d1 -C extra-filename=-996dec2599e5c556 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern fnv=/opt/rustwide/target/debug/deps/libfnv-cad931e6de93593b.rmeta --extern ident_case=/opt/rustwide/target/debug/deps/libident_case-09ffe1a3227c0ee4.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-f1712703fbf401f9.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-940ab2d4840f1cd6.rmeta --extern strsim=/opt/rustwide/target/debug/deps/libstrsim-943ef04be024c536.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-aae19c89e4ce758c.rmeta --cap-lints allow --cap-lints=forbid -Copt-level=3` (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/733b47ea4b1b86216f14ef56e49440c33933f230/bin/rustc --crate-name regex_syntax --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-syntax-0.6.29/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 --cfg 'feature="default"' --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("default", "unicode", "unicode-age", "unicode-bool", "unicode-case", "unicode-gencat", "unicode-perl", "unicode-script", "unicode-segment"))' -C metadata=e7d2a13571bebf28 -C extra-filename=-6b8bd984a921313e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid -Copt-level=3` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "3105460b71db724bbfaa217276efa7c6a67ede6b4fe6e196e518dbdc59ad178d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3105460b71db724bbfaa217276efa7c6a67ede6b4fe6e196e518dbdc59ad178d", kill_on_drop: false }`
[INFO] [stdout] 3105460b71db724bbfaa217276efa7c6a67ede6b4fe6e196e518dbdc59ad178d