[INFO] fetching crate mcp_rs 0.1.0...
[INFO] testing mcp_rs-0.1.0 against master#7704328ba5ae8d6ce0ac303c9d5a1a1605906766 for pr-146989
[INFO] extracting crate mcp_rs 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate mcp_rs 0.1.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mcp_rs 0.1.0
[INFO] tweaked toml for crates.io crate mcp_rs 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mcp_rs 0.1.0 on toolchain 7704328ba5ae8d6ce0ac303c9d5a1a1605906766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7704328ba5ae8d6ce0ac303c9d5a1a1605906766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mcp_rs 0.1.0 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" "+7704328ba5ae8d6ce0ac303c9d5a1a1605906766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded multer v2.1.0
[INFO] [stderr]   Downloaded tokio-tungstenite v0.21.0
[INFO] [stderr]   Downloaded hashlink v0.8.4
[INFO] [stderr]   Downloaded jsonrpc-core v18.0.0
[INFO] [stderr]   Downloaded eventsource-stream v0.2.3
[INFO] [stderr]   Downloaded security-framework-sys v2.12.1
[INFO] [stderr]   Downloaded clap_lex v0.7.3
[INFO] [stderr]   Downloaded reqwest-eventsource v0.6.0
[INFO] [stderr]   Downloaded serde v1.0.215
[INFO] [stderr]   Downloaded pest_meta v2.7.14
[INFO] [stderr]   Downloaded clap v4.5.21
[INFO] [stderr]   Downloaded warp v0.3.7
[INFO] [stderr]   Downloaded cc v1.2.2
[INFO] [stderr]   Downloaded allocator-api2 v0.2.20
[INFO] [stderr]   Downloaded pest v2.7.14
[INFO] [stderr]   Downloaded clap_builder v4.5.21
[INFO] [stderr]   Downloaded h2 v0.4.7
[INFO] [stderr]   Downloaded reqwest v0.12.9
[INFO] [stderr]   Downloaded hyper v1.5.1
[INFO] [stderr]   Downloaded hyper v0.14.31
[INFO] [stderr]   Downloaded yaml-rust2 v0.8.1
[INFO] [stderr]   Downloaded serde_json v1.0.133
[INFO] [stderr]   Downloaded config v0.14.1
[INFO] [stderr]   Downloaded schannel v0.1.27
[INFO] [stderr]   Downloaded serde_derive v1.0.215
[INFO] [stderr]   Downloaded pest_derive v2.7.14
[INFO] [stderr]   Downloaded rustls v0.23.19
[INFO] [stderr]   Downloaded rustix v0.38.41
[INFO] [stderr]   Downloaded thiserror-impl v2.0.3
[INFO] [stderr]   Downloaded thiserror v2.0.3
[INFO] [stderr]   Downloaded uuid v1.11.0
[INFO] [stderr]   Downloaded pest_generator v2.7.14
[INFO] [stderr]   Downloaded rust-ini v0.20.0
[INFO] [stderr]   Downloaded jsonrpc-derive v18.0.0
[INFO] [stderr]   Downloaded fastrand v2.2.0
[INFO] [stderr]   Downloaded libc v0.2.165
[INFO] [stderr]   Downloaded tokio v1.41.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+7704328ba5ae8d6ce0ac303c9d5a1a1605906766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 97bf055c9b8fffda729704632462f79e6ab26a22b8b74f3907cb4871cfad144b
[INFO] running `Command { std: "docker" "start" "-a" "97bf055c9b8fffda729704632462f79e6ab26a22b8b74f3907cb4871cfad144b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97bf055c9b8fffda729704632462f79e6ab26a22b8b74f3907cb4871cfad144b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97bf055c9b8fffda729704632462f79e6ab26a22b8b74f3907cb4871cfad144b", kill_on_drop: false }`
[INFO] [stdout] 97bf055c9b8fffda729704632462f79e6ab26a22b8b74f3907cb4871cfad144b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+7704328ba5ae8d6ce0ac303c9d5a1a1605906766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35cbd69906d0ee31eb51e0097d2be515fa6b501fb25ce540c062def05cc1c6d3
[INFO] running `Command { std: "docker" "start" "-a" "35cbd69906d0ee31eb51e0097d2be515fa6b501fb25ce540c062def05cc1c6d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libc v0.2.165
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling pin-project-lite v0.2.15
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]    Compiling bytes v1.8.0
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling writeable v0.5.5
[INFO] [stderr]    Compiling litemap v0.7.4
[INFO] [stderr]    Compiling httparse v1.9.5
[INFO] [stderr]    Compiling cc v1.2.2
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling pkg-config v0.3.31
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling icu_locid_transform_data v1.5.0
[INFO] [stderr]    Compiling icu_properties_data v1.5.0
[INFO] [stderr]    Compiling write16 v1.0.0
[INFO] [stderr]    Compiling utf16_iter v1.0.5
[INFO] [stderr]    Compiling icu_normalizer_data v1.5.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling serde_json v1.0.133
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling indexmap v2.6.0
[INFO] [stderr]    Compiling http v1.1.0
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling openssl v0.10.68
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling allocator-api2 v0.2.20
[INFO] [stderr]    Compiling syn v2.0.89
[INFO] [stderr]    Compiling native-tls v0.2.12
[INFO] [stderr]    Compiling cpufeatures v0.2.16
[INFO] [stderr]    Compiling unicase v2.8.0
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[INFO] [stderr]    Compiling multer v2.1.0
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling rustls-pki-types v1.10.0
[INFO] [stderr]    Compiling colorchoice v1.0.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling anstyle v1.0.10
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling winnow v0.6.20
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling anstyle-query v1.1.2
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling anstream v0.6.18
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling thiserror v2.0.3
[INFO] [stderr]    Compiling clap_lex v0.7.3
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling ipnet v2.10.1
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling rustls-pemfile v2.2.0
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling headers-core v0.2.0
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling arraydeque v0.5.1
[INFO] [stderr]    Compiling openssl-sys v0.9.104
[INFO] [stderr]    Compiling clap_builder v4.5.21
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]    Compiling nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling mio v1.0.2
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling socket2 v0.5.7
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling headers v0.3.9
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling const-random v0.1.18
[INFO] [stderr]    Compiling dlv-list v0.5.2
[INFO] [stderr]    Compiling eventsource-stream v0.2.3
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling futures-timer v3.0.3
[INFO] [stderr]    Compiling pathdiff v0.2.3
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling uuid v1.11.0
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling serde_derive v1.0.215
[INFO] [stderr]    Compiling zerovec-derive v0.10.3
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling icu_provider_macros v1.5.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling pin-project-internal v1.1.7
[INFO] [stderr]    Compiling matchers v0.1.0
[INFO] [stderr]    Compiling zerofrom-derive v0.1.5
[INFO] [stderr]    Compiling yoke-derive v0.7.5
[INFO] [stderr]    Compiling thiserror-impl v2.0.3
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling tokio v1.41.1
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling clap_derive v4.5.18
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling async-trait v0.1.83
[INFO] [stderr]    Compiling pest v2.7.14
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[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/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/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="quote"' --cfg 'feature="visit"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=c6dffb20e73f6fac -C extra-filename=-9d10773b12be83df --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-442acad4d4e7f208.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-63a3278dad69ce7b.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-13328ff8d6cc16fd.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" "35cbd69906d0ee31eb51e0097d2be515fa6b501fb25ce540c062def05cc1c6d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35cbd69906d0ee31eb51e0097d2be515fa6b501fb25ce540c062def05cc1c6d3", kill_on_drop: false }`
[INFO] [stdout] 35cbd69906d0ee31eb51e0097d2be515fa6b501fb25ce540c062def05cc1c6d3