[INFO] fetching crate rustdoc-mcp 0.1.4...
[INFO] building rustdoc-mcp-0.1.4 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate rustdoc-mcp 0.1.4 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate rustdoc-mcp 0.1.4
[INFO] finished tweaking crates.io crate rustdoc-mcp 0.1.4
[INFO] tweaked toml for crates.io crate rustdoc-mcp 0.1.4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustdoc-mcp 0.1.4 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rustdoc-mcp 0.1.4 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6180039e256c1e9ee941729283bacf16e0312d8514270014646bdc15776893a5
[INFO] running `Command { std: "docker" "start" "-a" "6180039e256c1e9ee941729283bacf16e0312d8514270014646bdc15776893a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6180039e256c1e9ee941729283bacf16e0312d8514270014646bdc15776893a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6180039e256c1e9ee941729283bacf16e0312d8514270014646bdc15776893a5", kill_on_drop: false }`
[INFO] [stdout] 6180039e256c1e9ee941729283bacf16e0312d8514270014646bdc15776893a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c91020212d701cc3b6b63443ca968463a6be4efdddd68903ef40fa48c1ecbb3c
[INFO] running `Command { std: "docker" "start" "-a" "c91020212d701cc3b6b63443ca968463a6be4efdddd68903ef40fa48c1ecbb3c", kill_on_drop: false }`
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling typeid v1.0.3
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling anstyle-query v1.1.4
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling colorchoice v1.0.4
[INFO] [stderr]    Compiling thiserror v2.0.16
[INFO] [stderr]    Compiling toml_write v0.1.2
[INFO] [stderr]    Compiling option-ext v0.2.0
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling ref-cast v1.0.24
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling anstyle-parse v0.2.7
[INFO] [stderr]    Compiling ordered-float v2.10.1
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling anyhow v1.0.99
[INFO] [stderr]    Compiling anstream v0.6.20
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling camino v1.1.12
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling notify-types v2.0.0
[INFO] [stderr]    Compiling toml_writer v1.0.2
[INFO] [stderr]    Compiling jiff v0.2.15
[INFO] [stderr]    Compiling virtue v0.0.18
[INFO] [stderr]    Compiling dyn-clone v1.0.20
[INFO] [stderr]    Compiling clap_builder v4.5.47
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling unty v0.0.4
[INFO] [stderr]    Compiling elsa v1.11.2
[INFO] [stderr]    Compiling indexmap v2.11.0
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling dirs-sys v0.5.0
[INFO] [stderr]    Compiling inotify v0.11.0
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling regex-automata v0.4.10
[INFO] [stderr]    Compiling dirs v6.0.0
[INFO] [stderr]    Compiling bincode_derive v2.0.1
[INFO] [stderr]    Compiling shellexpand v3.1.1
[INFO] [stderr]    Compiling notify v8.2.0
[INFO] [stderr]    Compiling toml_parser v1.0.2
[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/4987e9d4227139400384ab59296ffee3b0fb1183/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.106/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"' --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=65c7977e6ffce01d -C extra-filename=-c262a97628ff7953 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-0a3b3fe24b469f09.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-e098ac900c08002b.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-b3925cc8f83e9ac1.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" "c91020212d701cc3b6b63443ca968463a6be4efdddd68903ef40fa48c1ecbb3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c91020212d701cc3b6b63443ca968463a6be4efdddd68903ef40fa48c1ecbb3c", kill_on_drop: false }`
[INFO] [stdout] c91020212d701cc3b6b63443ca968463a6be4efdddd68903ef40fa48c1ecbb3c
