[INFO] fetching crate mcp-stdio-proxy 0.1.68...
[INFO] checking mcp-stdio-proxy-0.1.68 against try#d8be25549d5418405531341b4be6d8538fc3c42e for pr-156160
[INFO] extracting crate mcp-stdio-proxy 0.1.68 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate mcp-stdio-proxy 0.1.68
[INFO] finished tweaking crates.io crate mcp-stdio-proxy 0.1.68
[INFO] tweaked toml for crates.io crate mcp-stdio-proxy 0.1.68 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mcp-stdio-proxy 0.1.68 on toolchain d8be25549d5418405531341b4be6d8538fc3c42e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d8be25549d5418405531341b4be6d8538fc3c42e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mcp-stdio-proxy 0.1.68 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" "+d8be25549d5418405531341b4be6d8538fc3c42e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 0559702d0ab0ebae9b160e1a2d7d4df6558f76e75d37a2e63338a3a703ab6585
[INFO] running `Command { std: "docker" "start" "0559702d0ab0ebae9b160e1a2d7d4df6558f76e75d37a2e63338a3a703ab6585", 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" "0559702d0ab0ebae9b160e1a2d7d4df6558f76e75d37a2e63338a3a703ab6585" "/opt/rustwide/cargo-home/bin/cargo" "+d8be25549d5418405531341b4be6d8538fc3c42e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0559702d0ab0ebae9b160e1a2d7d4df6558f76e75d37a2e63338a3a703ab6585", 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" "0559702d0ab0ebae9b160e1a2d7d4df6558f76e75d37a2e63338a3a703ab6585" "/opt/rustwide/cargo-home/bin/cargo" "+d8be25549d5418405531341b4be6d8538fc3c42e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling libc v0.2.185
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking hashbrown v0.17.0
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling fs_extra v1.3.0
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]    Compiling aws-lc-rs v1.16.3
[INFO] [stderr]     Checking rustls-pki-types v1.14.0
[INFO] [stderr]     Checking alloc-stdlib v0.2.2
[INFO] [stderr]    Compiling rustls v0.23.38
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]     Checking flate2 v1.1.9
[INFO] [stderr]     Checking http-body-util v0.1.3
[INFO] [stderr]     Checking brotli-decompressor v5.0.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling itoa v1.0.18
[INFO] [stderr]     Checking compression-core v0.4.31
[INFO] [stderr]    Compiling openssl v0.10.78
[INFO] [stderr]    Compiling bstr v1.12.1
[INFO] [stderr]     Checking rand_core v0.10.1
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]     Checking webpki-roots v1.0.7
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking http-range-header v0.4.2
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]     Checking indexmap v2.14.0
[INFO] [stderr]     Checking iri-string v0.7.12
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling multer v3.1.0
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling arc-swap v1.9.1
[INFO] [stderr]    Compiling nix v0.31.2
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling ryu v1.0.23
[INFO] [stderr]     Checking brotli v8.0.2
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.11
[INFO] [stderr]     Checking rustix v1.1.4
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]     Checking serde_path_to_error v0.1.20
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]     Checking matchit v0.8.4
[INFO] [stderr]    Compiling base62 v2.2.4
[INFO] [stderr]    Compiling normpath v1.5.0
[INFO] [stderr]     Checking cpufeatures v0.3.0
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]    Compiling cc v1.2.60
[INFO] [stderr]     Checking socket2 v0.6.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking mio v1.2.0
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking rand_core v0.9.5
[INFO] [stderr]     Checking uuid v1.23.1
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking socket2 v0.5.10
[INFO] [stderr]     Checking rustls-native-certs v0.8.3
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking prost v0.13.5
[INFO] [stderr]    Compiling pastey v0.2.1
[INFO] [stderr]    Compiling mcp-common v0.1.28
[INFO] [stderr]     Checking env_home v0.1.0
[INFO] [stderr]     Checking dashmap v6.1.0
[INFO] [stderr]     Checking event-listener v5.4.1
[INFO] [stderr]     Checking chacha20 v0.10.0
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]     Checking which v7.0.3
[INFO] [stderr]    Compiling rmcp-soddygo v1.5.0
[INFO] [stderr]     Checking ordered-float v4.6.0
[INFO] [stderr]     Checking ordered-float v2.10.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]     Checking event-listener-strategy v0.5.4
[INFO] [stderr]     Checking jiff v0.2.23
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking time v0.3.47
[INFO] [stderr]     Checking async-lock v3.4.2
[INFO] [stderr]     Checking rand v0.10.1
[INFO] [stderr]    Compiling cmake v0.1.58
[INFO] [stderr]     Checking tempfile v3.27.0
[INFO] [stderr]     Checking object v0.37.3
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking thrift v0.17.0
[INFO] [stderr]     Checking regex v1.12.3
[INFO] [stderr]     Checking globset v0.4.18
[INFO] [stderr]     Checking matchers v0.2.0
[INFO] [stderr]     Checking ignore v0.4.25
[INFO] [stderr]     Checking symlink v0.1.0
[INFO] [stderr]    Compiling mcp-stdio-proxy v0.1.68 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking opentelemetry-semantic-conventions v0.15.0
[INFO] [stderr]     Checking tagptr v0.2.0
[INFO] [stderr]     Checking rayon-core v1.13.0
[INFO] [stderr]     Checking hostname v0.4.2
[INFO] [stderr]     Checking env_filter v1.0.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking opentelemetry-semantic-conventions v0.31.0
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]    Compiling aws-lc-sys v0.40.0
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling zstd-sys v2.0.16+zstd.1.5.7
[INFO] [stderr]    Compiling openssl-sys v0.9.114
[INFO] [stderr]    Compiling blake3 v1.8.4
[INFO] [stderr]     Checking globwalk v0.8.1
[INFO] [stderr]     Checking rayon v1.12.0
[INFO] [stderr]    Compiling native-tls v0.2.18
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[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/d8be25549d5418405531341b4be6d8538fc3c42e/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.117/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"' --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=bb53b60c539c6e18 -C extra-filename=-da1c77ef181dd06c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-2c33fdb3655a8470.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-33376407ed69170a.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/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" "0559702d0ab0ebae9b160e1a2d7d4df6558f76e75d37a2e63338a3a703ab6585", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0559702d0ab0ebae9b160e1a2d7d4df6558f76e75d37a2e63338a3a703ab6585", kill_on_drop: false }`
[INFO] [stdout] 0559702d0ab0ebae9b160e1a2d7d4df6558f76e75d37a2e63338a3a703ab6585
