[INFO] fetching crate mcp-bridge-rs-utcp 1.0.0...
[INFO] checking mcp-bridge-rs-utcp-1.0.0 against 656a9da186dacaf3bf8f7f7296a825d256cb4ae3 for pr-158915
[INFO] extracting crate mcp-bridge-rs-utcp 1.0.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate mcp-bridge-rs-utcp 1.0.0
[INFO] finished tweaking crates.io crate mcp-bridge-rs-utcp 1.0.0
[INFO] tweaked toml for crates.io crate mcp-bridge-rs-utcp 1.0.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mcp-bridge-rs-utcp 1.0.0 on toolchain 656a9da186dacaf3bf8f7f7296a825d256cb4ae3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+656a9da186dacaf3bf8f7f7296a825d256cb4ae3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mcp-bridge-rs-utcp 1.0.0 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" "+656a9da186dacaf3bf8f7f7296a825d256cb4ae3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:54:1
[INFO] [stderr]    |
[INFO] [stderr] 54 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `mcp-bridge-rs-utcp` (manifest) generated 1 warning
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rs-utcp v0.2.1
[INFO] [stderr]   Downloaded substring v1.4.5
[INFO] [stderr]   Downloaded waitgroup v0.1.2
[INFO] [stderr]   Downloaded tokio-io-timeout v1.2.1
[INFO] [stderr]   Downloaded tonic-build v0.11.0
[INFO] [stderr]   Downloaded tokio-tungstenite v0.21.0
[INFO] [stderr]   Downloaded compression-codecs v0.4.33
[INFO] [stderr]   Downloaded yasna v0.5.2
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.30
[INFO] [stderr]   Downloaded webrtc-srtp v0.11.0
[INFO] [stderr]   Downloaded sdp v0.6.2
[INFO] [stderr]   Downloaded rcgen v0.11.3
[INFO] [stderr]   Downloaded webrtc-data v0.8.1
[INFO] [stderr]   Downloaded webrtc-util v0.8.1
[INFO] [stderr]   Downloaded webrtc-media v0.7.1
[INFO] [stderr]   Downloaded webrtc-mdns v0.6.1
[INFO] [stderr]   Downloaded interceptor v0.10.0
[INFO] [stderr]   Downloaded rtp v0.10.0
[INFO] [stderr]   Downloaded rtp v0.9.0
[INFO] [stderr]   Downloaded rtcp v0.10.1
[INFO] [stderr]   Downloaded stun v0.5.1
[INFO] [stderr]   Downloaded x509-parser v0.15.1
[INFO] [stderr]   Downloaded async-compression v0.4.34
[INFO] [stderr]   Downloaded turn v0.7.1
[INFO] [stderr]   Downloaded webrtc-ice v0.10.1
[INFO] [stderr]   Downloaded webrtc-sctp v0.9.1
[INFO] [stderr]   Downloaded webrtc v0.9.0
[INFO] [stderr]   Downloaded webrtc-dtls v0.8.0
[INFO] [stderr]   Downloaded zerocopy v0.8.30
[INFO] [stderr]   Downloaded ccm v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 30727cf31a484973028491b993ed717509b4523e2bb3bd6d1e228745c9de026b
[INFO] running `Command { std: "docker" "start" "30727cf31a484973028491b993ed717509b4523e2bb3bd6d1e228745c9de026b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30727cf31a484973028491b993ed717509b4523e2bb3bd6d1e228745c9de026b", 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" "30727cf31a484973028491b993ed717509b4523e2bb3bd6d1e228745c9de026b" "/opt/rustwide/cargo-home/bin/cargo" "+656a9da186dacaf3bf8f7f7296a825d256cb4ae3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30727cf31a484973028491b993ed717509b4523e2bb3bd6d1e228745c9de026b", 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" "30727cf31a484973028491b993ed717509b4523e2bb3bd6d1e228745c9de026b" "/opt/rustwide/cargo-home/bin/cargo" "+656a9da186dacaf3bf8f7f7296a825d256cb4ae3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:54:1
[INFO] [stderr]    |
[INFO] [stderr] 54 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `mcp-bridge-rs-utcp` (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling find-msvc-tools v0.1.5
[INFO] [stderr]    Compiling zerocopy v0.8.30
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling icu_properties_data v2.1.1
[INFO] [stderr]     Checking base64ct v1.8.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling cc v1.2.47
[INFO] [stderr]    Compiling time-core v0.1.6
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking deranged v0.5.5
[INFO] [stderr]     Checking indexmap v2.12.1
[INFO] [stderr]     Checking pem-rfc7468 v0.7.0
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling time-macros v0.2.24
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]     Checking crc-catalog v2.4.0
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]     Checking crc v3.4.0
[INFO] [stderr]    Compiling bytes v1.11.0
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]     Checking bitflags v2.10.0
[INFO] [stderr]    Compiling oid-registry v0.6.1
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking tracing-core v0.1.35
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling openssl-sys v0.9.111
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking time v0.3.44
[INFO] [stderr]    Compiling petgraph v0.6.5
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking signal-hook-registry v1.4.7
[INFO] [stderr]     Checking socket2 v0.6.1
[INFO] [stderr]     Checking mio v1.1.0
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking socket2 v0.5.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rusticata-macros v4.1.0
[INFO] [stderr]     Checking ff v0.13.1
[INFO] [stderr]    Compiling openssl v0.10.75
[INFO] [stderr]     Checking group v0.13.0
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling axum-core v0.3.4
[INFO] [stderr]    Compiling substring v1.4.5
[INFO] [stderr]     Checking base64 v0.22.1
[INFO] [stderr]     Checking arc-swap v1.7.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking waitgroup v0.1.2
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]     Checking pem v3.0.6
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]     Checking flate2 v1.1.5
[INFO] [stderr]     Checking brotli v8.0.2
[INFO] [stderr]     Checking serde_json v1.0.145
[INFO] [stderr]    Compiling axum v0.6.20
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling smartstring v1.0.1
[INFO] [stderr]     Checking yasna v0.5.2
[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/656a9da186dacaf3bf8f7f7296a825d256cb4ae3/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.111/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=a4046ea6e9f31653 -C extra-filename=-e169ac79dad5a9cf --out-dir /opt/rustwide/target/debug/build/syn/e169ac79dad5a9cf/out -L dependency=/opt/rustwide/target/debug/build/proc-macro2/43e32a25692bf44a/out -L dependency=/opt/rustwide/target/debug/build/unicode-ident/9533002ac35f5809/out --extern proc_macro2=/opt/rustwide/target/debug/build/proc-macro2/43e32a25692bf44a/out/libproc_macro2-43e32a25692bf44a.rmeta --extern quote=/opt/rustwide/target/debug/build/quote/01cdf4ac6a2aaf5b/out/libquote-01cdf4ac6a2aaf5b.rmeta --extern unicode_ident=/opt/rustwide/target/debug/build/unicode-ident/9533002ac35f5809/out/libunicode_ident-9533002ac35f5809.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" "30727cf31a484973028491b993ed717509b4523e2bb3bd6d1e228745c9de026b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30727cf31a484973028491b993ed717509b4523e2bb3bd6d1e228745c9de026b", kill_on_drop: false }`
[INFO] [stdout] 30727cf31a484973028491b993ed717509b4523e2bb3bd6d1e228745c9de026b
