[INFO] cloning repository https://github.com/emberian/crate-mcp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emberian/crate-mcp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femberian%2Fcrate-mcp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femberian%2Fcrate-mcp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 696dbbf902be5800abce4d899e048da9d568e5a9
[INFO] checking emberian/crate-mcp against e4d5758286bf2cf6f415802f2cf861747a7c6c8c for pr-152972
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femberian%2Fcrate-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/emberian/crate-mcp
[INFO] finished tweaking git repo https://github.com/emberian/crate-mcp
[INFO] tweaked toml for git repo https://github.com/emberian/crate-mcp written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/emberian/crate-mcp on toolchain e4d5758286bf2cf6f415802f2cf861747a7c6c8c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e4d5758286bf2cf6f415802f2cf861747a7c6c8c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/emberian/crate-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" "+e4d5758286bf2cf6f415802f2cf861747a7c6c8c" "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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 7e79d6ee076e941f48d357796d05007f1adce140a3ede3d2cf06189b07820b2c
[INFO] running `Command { std: "docker" "start" "7e79d6ee076e941f48d357796d05007f1adce140a3ede3d2cf06189b07820b2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e79d6ee076e941f48d357796d05007f1adce140a3ede3d2cf06189b07820b2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7e79d6ee076e941f48d357796d05007f1adce140a3ede3d2cf06189b07820b2c" "/opt/rustwide/cargo-home/bin/cargo" "+e4d5758286bf2cf6f415802f2cf861747a7c6c8c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e79d6ee076e941f48d357796d05007f1adce140a3ede3d2cf06189b07820b2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7e79d6ee076e941f48d357796d05007f1adce140a3ede3d2cf06189b07820b2c" "/opt/rustwide/cargo-home/bin/cargo" "+e4d5758286bf2cf6f415802f2cf861747a7c6c8c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]     Checking once_cell v1.21.2
[INFO] [stderr]     Checking smallvec v1.14.0
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]     Checking gix-trace v0.1.12
[INFO] [stderr]     Checking bitflags v2.9.0
[INFO] [stderr]     Checking tinyvec v1.9.0
[INFO] [stderr]     Checking adler2 v2.0.0
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]     Checking sha1_smol v1.0.1
[INFO] [stderr]     Checking miniz_oxide v0.8.5
[INFO] [stderr]     Checking home v0.5.11
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]    Compiling rustix v1.0.3
[INFO] [stderr]     Checking linux-raw-sys v0.9.3
[INFO] [stderr]     Checking jiff v0.1.29
[INFO] [stderr]     Checking winnow v0.6.26
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking litemap v0.7.5
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking writeable v0.5.5
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling icu_locid_transform_data v1.5.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]    Compiling icu_properties_data v1.5.1
[INFO] [stderr]    Compiling icu_normalizer_data v1.5.1
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]     Checking write16 v1.0.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.14
[INFO] [stderr]     Checking utf16_iter v1.0.5
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking base64ct v1.7.3
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking memmap2 v0.9.5
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]     Checking linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling jobserver v0.1.32
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking socket2 v0.5.8
[INFO] [stderr]     Checking prodash v29.0.1
[INFO] [stderr]     Checking pem-rfc7468 v0.7.0
[INFO] [stderr]     Checking unicode-normalization v0.1.24
[INFO] [stderr]     Checking gix-sec v0.10.11
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]     Checking der v0.7.9
[INFO] [stderr]    Compiling curl v0.4.47
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]     Checking hashbrown v0.15.2
[INFO] [stderr]    Compiling cc v1.2.17
[INFO] [stderr]     Checking openssl-probe v0.1.6
[INFO] [stderr]     Checking ff v0.13.1
[INFO] [stderr]     Checking filetime v0.2.25
[INFO] [stderr]    Compiling anyhow v1.0.97
[INFO] [stderr]     Checking base16ct v0.2.0
[INFO] [stderr]     Checking winnow v0.7.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking group v0.13.0
[INFO] [stderr]    Compiling zerocopy v0.8.24
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking anstyle v1.0.10
[INFO] [stderr]    Compiling typeid v1.0.3
[INFO] [stderr]     Checking anstyle-parse v0.2.6
[INFO] [stderr]     Checking time-core v0.1.4
[INFO] [stderr]    Compiling camino v1.1.9
[INFO] [stderr]     Checking anstyle-query v1.1.2
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking colorchoice v1.0.3
[INFO] [stderr]     Checking anstream v0.6.18
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-bigint v0.5.5
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]     Checking indexmap v2.8.0
[INFO] [stderr]     Checking spki v0.7.3
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]     Checking pkcs8 v0.10.2
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking hkdf v0.12.4
[INFO] [stderr]     Checking rfc6979 v0.4.0
[INFO] [stderr]     Checking sec1 v0.7.3
[INFO] [stderr]     Checking clap_lex v0.7.4
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking ordered-float v2.10.1
[INFO] [stderr]    Compiling tar v0.4.44
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]    Compiling im-rc v15.1.0
[INFO] [stderr]     Checking arc-swap v1.7.1
[INFO] [stderr]     Checking tempfile v3.19.1
[INFO] [stderr]     Checking terminal_size v0.4.2
[INFO] [stderr]     Checking fiat-crypto v0.2.9
[INFO] [stderr]     Checking clap_builder v4.5.34
[INFO] [stderr]    Compiling libz-sys v1.1.22
[INFO] [stderr]    Compiling openssl-sys v0.9.106
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.11+1.64.0
[INFO] [stderr]    Compiling curl-sys v0.4.80+curl-8.12.1
[INFO] [stderr]    Compiling libssh2-sys v0.3.1
[INFO] [stderr]    Compiling libgit2-sys v0.17.0+1.8.1
[INFO] [stderr]     Checking flate2 v1.1.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling libsqlite3-sys v0.30.1
[INFO] [stderr]    Compiling blake3 v1.7.0
[INFO] [stderr]     Checking sized-chunks v0.6.5
[INFO] [stderr]     Checking hashlink v0.9.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[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/e4d5758286bf2cf6f415802f2cf861747a7c6c8c/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.100/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat,unused-externs-silent --crate-type lib --emit=dep-info,metadata,link -Z embed-metadata=no -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=97a611f2d86190c2 -C extra-filename=-52e55aa574604cb3 --out-dir /opt/rustwide/target/debug/build/syn/52e55aa574604cb3/out -L dependency=/opt/rustwide/target/debug/build/proc-macro2/fc1fd0f4d59463bc/out -L dependency=/opt/rustwide/target/debug/build/unicode-ident/b3925cc8f83e9ac1/out --extern proc_macro2=/opt/rustwide/target/debug/build/proc-macro2/fc1fd0f4d59463bc/out/libproc_macro2-fc1fd0f4d59463bc.rmeta --extern quote=/opt/rustwide/target/debug/build/quote/bc6b090314aa3ed5/out/libquote-bc6b090314aa3ed5.rmeta --extern unicode_ident=/opt/rustwide/target/debug/build/unicode-ident/b3925cc8f83e9ac1/out/libunicode_ident-b3925cc8f83e9ac1.rmeta --cap-lints allow --cap-lints=forbid --force-warn=unused_crate_dependencies` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7e79d6ee076e941f48d357796d05007f1adce140a3ede3d2cf06189b07820b2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e79d6ee076e941f48d357796d05007f1adce140a3ede3d2cf06189b07820b2c", kill_on_drop: false }`
[INFO] [stdout] 7e79d6ee076e941f48d357796d05007f1adce140a3ede3d2cf06189b07820b2c