[INFO] cloning repository https://github.com/byeblack/wasi_mcp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/byeblack/wasi_mcp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbyeblack%2Fwasi_mcp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbyeblack%2Fwasi_mcp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4adae643808758d5763139ad151c63cff1aae532
[INFO] checking byeblack/wasi_mcp against try#6cbf54b1453b438241487f195740266bb9d8c8ba for pr-139587-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbyeblack%2Fwasi_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] validating manifest of git repo https://github.com/byeblack/wasi_mcp on toolchain 6cbf54b1453b438241487f195740266bb9d8c8ba
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6cbf54b1453b438241487f195740266bb9d8c8ba" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/byeblack/wasi_mcp
[INFO] finished tweaking git repo https://github.com/byeblack/wasi_mcp
[INFO] tweaked toml for git repo https://github.com/byeblack/wasi_mcp written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/byeblack/wasi_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" "+6cbf54b1453b438241487f195740266bb9d8c8ba" "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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+6cbf54b1453b438241487f195740266bb9d8c8ba" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eafab2c11b6dc2fcc51f725770ea75ab2b0fe1c1f918c2b9689a2a07cc715c46
[INFO] running `Command { std: "docker" "start" "-a" "eafab2c11b6dc2fcc51f725770ea75ab2b0fe1c1f918c2b9689a2a07cc715c46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eafab2c11b6dc2fcc51f725770ea75ab2b0fe1c1f918c2b9689a2a07cc715c46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eafab2c11b6dc2fcc51f725770ea75ab2b0fe1c1f918c2b9689a2a07cc715c46", kill_on_drop: false }`
[INFO] [stdout] eafab2c11b6dc2fcc51f725770ea75ab2b0fe1c1f918c2b9689a2a07cc715c46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+6cbf54b1453b438241487f195740266bb9d8c8ba" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64c2a9235fdc4bcc2aca739bf928e91f5e24982655a95b5e4da3f7cd5e942a61
[INFO] running `Command { std: "docker" "start" "-a" "64c2a9235fdc4bcc2aca739bf928e91f5e24982655a95b5e4da3f7cd5e942a61", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking once_cell v1.21.2
[INFO] [stderr]     Checking bitflags v2.9.0
[INFO] [stderr]    Compiling anyhow v1.0.97
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking foldhash v0.1.5
[INFO] [stderr]     Checking equivalent v1.0.2
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling cranelift-assembler-x64-meta v0.118.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling cc v1.2.17
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]    Compiling pulley-interpreter v31.0.0
[INFO] [stderr]    Compiling cranelift-isle v0.118.0
[INFO] [stderr]    Compiling cranelift-bitset v0.118.0
[INFO] [stderr]     Checking hashbrown v0.15.2
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]     Checking bumpalo v3.17.0
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.118.0
[INFO] [stderr]    Compiling io-lifetimes v2.0.4
[INFO] [stderr]    Compiling target-lexicon v0.13.2
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling rustix v1.0.3
[INFO] [stderr]     Checking leb128fmt v0.1.0
[INFO] [stderr]    Compiling icu_locid_transform_data v1.5.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking litemap v0.7.5
[INFO] [stderr]     Checking wasmtime-math v31.0.0
[INFO] [stderr]    Compiling icu_properties_data v1.5.1
[INFO] [stderr]     Checking arbitrary v1.4.1
[INFO] [stderr]    Compiling wasmparser v0.226.0
[INFO] [stderr]    Compiling io-extras v0.18.4
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]     Checking linux-raw-sys v0.9.3
[INFO] [stderr]     Checking rustc-hash v2.1.1
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]    Compiling cap-primitives v3.4.2
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling cranelift-assembler-x64 v0.118.0
[INFO] [stderr]    Compiling wasm-encoder v0.226.0
[INFO] [stderr]    Compiling cpp_demangle v0.4.4
[INFO] [stderr]    Compiling icu_normalizer_data v1.5.1
[INFO] [stderr]     Checking ipnet v2.11.0
[INFO] [stderr]    Compiling wasm-encoder v0.227.1
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]     Checking base64 v0.21.7
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]     Checking cobs v0.2.3
[INFO] [stderr]     Checking ambient-authority v0.0.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]    Compiling id-arena v2.2.1
[INFO] [stderr]     Checking maybe-owned v0.3.4
[INFO] [stderr]     Checking cranelift-control v0.118.0
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]    Compiling zerocopy v0.8.24
[INFO] [stderr]     Checking winnow v0.7.4
[INFO] [stderr]     Checking rustls-pki-types v1.11.0
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking http v1.3.1
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]    Compiling zstd-sys v2.0.15+zstd.1.5.7
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling ittapi-sys v0.4.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.118.0
[INFO] [stderr]    Compiling indexmap v2.8.0
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking wasmtime-component-util v31.0.0
[INFO] [stderr]     Checking uuid v1.16.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]    Compiling leb128 v0.2.5
[INFO] [stderr]     Checking fs-set-times v0.20.3
[INFO] [stderr]    Compiling wasmtime-component-macro v31.0.0
[INFO] [stderr]     Checking rustc-demangle v0.1.24
[INFO] [stderr]    Compiling wasmtime-cache v31.0.0
[INFO] [stderr]     Checking iana-time-zone v0.1.62
[INFO] [stderr]     Checking cpufeatures v0.2.17
[INFO] [stderr]    Compiling cap-std v3.4.2
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking debugid v0.8.0
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]    Compiling wast v35.0.2
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking directories-next v2.0.0
[INFO] [stderr]    Compiling dirs v4.0.0
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]     Checking wast v227.0.1
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking wasmtime-asm-macros v31.0.0
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling rustls v0.23.25
[INFO] [stderr]    Compiling schemars v0.8.22
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]     Checking ittapi v0.4.0
[INFO] [stderr]     Checking deranged v0.4.1
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]    Compiling shellexpand v2.1.2
[INFO] [stderr]     Checking wasmtime-jit-icache-coherence v31.0.0
[INFO] [stderr]     Checking encoding_rs v0.8.35
[INFO] [stderr]     Checking dyn-clone v1.0.19
[INFO] [stderr]     Checking time-core v0.1.4
[INFO] [stderr]     Checking sptr v0.3.2
[INFO] [stderr]    Compiling wiggle-macro v31.0.0
[INFO] [stderr]     Checking wasmtime-slab v31.0.0
[INFO] [stderr]     Checking num-conv v0.1.0
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]     Checking time v0.3.41
[INFO] [stderr]     Checking crossbeam-channel v0.5.14
[INFO] [stderr]    Compiling wit-bindgen-rt v0.39.0
[INFO] [stderr]    Compiling cap-fs-ext v3.4.2
[INFO] [stderr]    Compiling system-interface v0.27.3
[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/6cbf54b1453b438241487f195740266bb9d8c8ba/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 --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=0aa03d0b18d8856b -C extra-filename=-1ad4828c19e74b11 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-17f2eeaa33d456c5.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-e976b2532402682d.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" "64c2a9235fdc4bcc2aca739bf928e91f5e24982655a95b5e4da3f7cd5e942a61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64c2a9235fdc4bcc2aca739bf928e91f5e24982655a95b5e4da3f7cd5e942a61", kill_on_drop: false }`
[INFO] [stdout] 64c2a9235fdc4bcc2aca739bf928e91f5e24982655a95b5e4da3f7cd5e942a61