[INFO] fetching crate rustymcp 0.2.0...
[INFO] checking rustymcp-0.2.0 against try#7424ce9ff9baac3e9d9f5dd3c85828cddea0134d for pr-136776-1
[INFO] extracting crate rustymcp 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate rustymcp 0.2.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rustymcp 0.2.0
[INFO] tweaked toml for crates.io crate rustymcp 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustymcp 0.2.0 on toolchain 7424ce9ff9baac3e9d9f5dd3c85828cddea0134d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7424ce9ff9baac3e9d9f5dd3c85828cddea0134d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rustymcp 0.2.0 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" "+7424ce9ff9baac3e9d9f5dd3c85828cddea0134d" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+7424ce9ff9baac3e9d9f5dd3c85828cddea0134d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e50f55298c12c7a84b0af683424f4c0ed4756ff49481530d56493f00ef6767d
[INFO] running `Command { std: "docker" "start" "-a" "7e50f55298c12c7a84b0af683424f4c0ed4756ff49481530d56493f00ef6767d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e50f55298c12c7a84b0af683424f4c0ed4756ff49481530d56493f00ef6767d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e50f55298c12c7a84b0af683424f4c0ed4756ff49481530d56493f00ef6767d", kill_on_drop: false }`
[INFO] [stdout] 7e50f55298c12c7a84b0af683424f4c0ed4756ff49481530d56493f00ef6767d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+7424ce9ff9baac3e9d9f5dd3c85828cddea0134d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2f596d8f82ba4290c48da505612394cb69fe95fed342acc42d15d4e1874caf0
[INFO] running `Command { std: "docker" "start" "-a" "d2f596d8f82ba4290c48da505612394cb69fe95fed342acc42d15d4e1874caf0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]     Checking cfg-if v1.0.3
[INFO] [stderr]     Checking value-bag v1.11.1
[INFO] [stderr]    Compiling find-msvc-tools v0.1.2
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking bitflags v2.9.4
[INFO] [stderr]     Checking indexmap v2.11.4
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking regex-syntax v0.8.6
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]    Compiling cc v1.2.39
[INFO] [stderr]     Checking writeable v0.6.1
[INFO] [stderr]     Checking litemap v0.8.0
[INFO] [stderr]    Compiling icu_properties_data v2.0.1
[INFO] [stderr]     Checking httpdate v1.0.3
[INFO] [stderr]    Compiling icu_normalizer_data v2.0.0
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling rustls v0.23.32
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking futures-lite v2.6.1
[INFO] [stderr]     Checking event-listener v5.4.1
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling ref-cast v1.0.24
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking openssl-probe v0.1.6
[INFO] [stderr]     Checking linux-raw-sys v0.11.0
[INFO] [stderr]     Checking event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling async-io v2.6.0
[INFO] [stderr]     Checking dyn-clone v1.0.20
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling thiserror v2.0.16
[INFO] [stderr]     Checking iana-time-zone v0.1.64
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]     Checking signal-hook-registry v1.4.6
[INFO] [stderr]     Checking socket2 v0.6.0
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]     Checking regex-automata v0.4.11
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]     Checking webpki-roots v1.0.2
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking iri-string v0.7.8
[INFO] [stderr]     Checking anstream v0.6.20
[INFO] [stderr]     Checking deranged v0.5.4
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking async-channel v2.5.0
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking thread_local v1.1.9
[INFO] [stderr]     Checking encoding_rs v0.8.35
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]     Checking nu-ansi-term v0.50.1
[INFO] [stderr]    Compiling schemars v0.8.22
[INFO] [stderr]     Checking time-core v0.1.6
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling string_cache v0.8.9
[INFO] [stderr]     Checking time v0.3.44
[INFO] [stderr]     Checking clap_builder v4.5.48
[INFO] [stderr]    Compiling ena v0.14.3
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]     Checking serde_path_to_error v0.1.20
[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/7424ce9ff9baac3e9d9f5dd3c85828cddea0134d/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.106/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=3453d6efb811e620 -C extra-filename=-d39b452e62eda284 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-a28683de7e2d991e.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-084ae52e87cd4d87.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-b4c15d9166d0a657.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" "d2f596d8f82ba4290c48da505612394cb69fe95fed342acc42d15d4e1874caf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2f596d8f82ba4290c48da505612394cb69fe95fed342acc42d15d4e1874caf0", kill_on_drop: false }`
[INFO] [stdout] d2f596d8f82ba4290c48da505612394cb69fe95fed342acc42d15d4e1874caf0