[INFO] fetching crate mcp-proxy 0.4.1...
[INFO] checking mcp-proxy-0.4.1 against 65b20a97de33e9e59992793a144aef2950c48c76 for pr-154715
[INFO] extracting crate mcp-proxy 0.4.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate mcp-proxy 0.4.1
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mcp-proxy 0.4.1
[INFO] tweaked toml for crates.io crate mcp-proxy 0.4.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mcp-proxy 0.4.1 on toolchain 65b20a97de33e9e59992793a144aef2950c48c76
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+65b20a97de33e9e59992793a144aef2950c48c76" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mcp-proxy 0.4.1 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" "+65b20a97de33e9e59992793a144aef2950c48c76" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 0e115c052e814445db4b96f434044bf49f853c97ac09773359453aa6879dd38e
[INFO] running `Command { std: "docker" "start" "0e115c052e814445db4b96f434044bf49f853c97ac09773359453aa6879dd38e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e115c052e814445db4b96f434044bf49f853c97ac09773359453aa6879dd38e", 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" "0e115c052e814445db4b96f434044bf49f853c97ac09773359453aa6879dd38e" "/opt/rustwide/cargo-home/bin/cargo" "+65b20a97de33e9e59992793a144aef2950c48c76" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e115c052e814445db4b96f434044bf49f853c97ac09773359453aa6879dd38e", 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" "0e115c052e814445db4b96f434044bf49f853c97ac09773359453aa6879dd38e" "/opt/rustwide/cargo-home/bin/cargo" "+65b20a97de33e9e59992793a144aef2950c48c76" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-io v0.3.33
[INFO] [stderr]    Compiling zerocopy v0.8.55
[INFO] [stderr]    Compiling syn v3.0.3
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]    Compiling serde_json v1.0.151
[INFO] [stderr]    Compiling cc v1.4.0
[INFO] [stderr]    Compiling futures-macro v0.3.33
[INFO] [stderr]    Compiling zerocopy-derive v0.8.55
[INFO] [stderr]    Compiling zeroize_derive v1.5.0
[INFO] [stderr]    Compiling zerovec-derive v0.11.3
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]    Compiling aws-lc-rs v1.17.3
[INFO] [stderr]     Checking indexmap v2.14.0
[INFO] [stderr]    Compiling rustls v0.23.43
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]     Checking aho-corasick v1.1.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.20
[INFO] [stderr]    Compiling logos-codegen v0.15.1
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking data-encoding v2.11.1
[INFO] [stderr]     Checking either v1.17.0
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling winnow v1.0.4
[INFO] [stderr]    Compiling openssl v0.10.81
[INFO] [stderr]    Compiling toml_writer v1.1.2+spec-1.1.0
[INFO] [stderr]    Compiling winnow v0.7.15
[INFO] [stderr]    Compiling inotify-sys v0.1.8
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]     Checking futures-util v0.3.33
[INFO] [stderr]     Checking uuid v1.24.0
[INFO] [stderr]     Checking zeroize v1.9.0
[INFO] [stderr]    Compiling toml_parser v1.1.3+spec-1.1.0
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking regex-automata v0.4.16
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking rustls-pki-types v1.15.1
[INFO] [stderr]    Compiling enum-iterator-derive v1.5.0
[INFO] [stderr]    Compiling native-tls v0.2.18
[INFO] [stderr]    Compiling ref-cast v1.0.26
[INFO] [stderr]     Checking time v0.3.55
[INFO] [stderr]     Checking num-bigint v0.4.8
[INFO] [stderr]     Checking webpki-roots v1.0.9
[INFO] [stderr]     Checking zerovec v0.11.6
[INFO] [stderr]    Compiling cmake v0.1.58
[INFO] [stderr]     Checking rustls-native-certs v0.8.4
[INFO] [stderr]     Checking digest v0.11.3
[INFO] [stderr]     Checking rapidhash v4.5.1
[INFO] [stderr]     Checking chacha20 v0.10.1
[INFO] [stderr]     Checking axum-core v0.5.6
[INFO] [stderr]     Checking raw-cpuid v11.6.0
[INFO] [stderr]     Checking serde_spanned v1.1.1
[INFO] [stderr]     Checking serde_path_to_error v0.1.20
[INFO] [stderr]     Checking enum-iterator v2.3.0
[INFO] [stderr]    Compiling aws-lc-sys v0.43.0
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]     Checking potential_utf v0.1.5
[INFO] [stderr]    Compiling openssl-sys v0.9.117
[INFO] [stderr]    Compiling prost-derive v0.14.4
[INFO] [stderr]     Checking nom v8.0.0
[INFO] [stderr]    Compiling serde_derive_internals v0.30.0
[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/65b20a97de33e9e59992793a144aef2950c48c76/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-3.0.3/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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --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=3679e8608425f9af -C extra-filename=-d301d5e5064dd165 --out-dir /opt/rustwide/target/debug/build/syn/d301d5e5064dd165/out -L dependency=/opt/rustwide/target/debug/build/proc-macro2/ee684499ef27f3b8/out -L dependency=/opt/rustwide/target/debug/build/quote/97307b84563a2c10/out -L dependency=/opt/rustwide/target/debug/build/unicode-ident/8c98a1a0e58216a9/out --extern proc_macro2=/opt/rustwide/target/debug/build/proc-macro2/ee684499ef27f3b8/out/libproc_macro2-ee684499ef27f3b8.rmeta --extern quote=/opt/rustwide/target/debug/build/quote/97307b84563a2c10/out/libquote-97307b84563a2c10.rmeta --extern unicode_ident=/opt/rustwide/target/debug/build/unicode-ident/8c98a1a0e58216a9/out/libunicode_ident-8c98a1a0e58216a9.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" "0e115c052e814445db4b96f434044bf49f853c97ac09773359453aa6879dd38e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e115c052e814445db4b96f434044bf49f853c97ac09773359453aa6879dd38e", kill_on_drop: false }`
[INFO] [stdout] 0e115c052e814445db4b96f434044bf49f853c97ac09773359453aa6879dd38e
