[INFO] cloning repository https://github.com/tarfu/tanuki-mcp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tarfu/tanuki-mcp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftarfu%2Ftanuki-mcp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftarfu%2Ftanuki-mcp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ff30ea7a6722c2c37b6192ad918733d13e631707
[INFO] checking tarfu/tanuki-mcp against try#c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f for 2025-12-16-next-solver-global
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftarfu%2Ftanuki-mcp" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/tarfu/tanuki-mcp
[INFO] finished tweaking git repo https://github.com/tarfu/tanuki-mcp
[INFO] tweaked toml for git repo https://github.com/tarfu/tanuki-mcp written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tarfu/tanuki-mcp on toolchain c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tarfu/tanuki-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" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be6d0cb0ba7bdab8791efd82b7829aa03ce9f22c2c7a57bf179d0fb5003f2c00
[INFO] running `Command { std: "docker" "start" "-a" "be6d0cb0ba7bdab8791efd82b7829aa03ce9f22c2c7a57bf179d0fb5003f2c00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be6d0cb0ba7bdab8791efd82b7829aa03ce9f22c2c7a57bf179d0fb5003f2c00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be6d0cb0ba7bdab8791efd82b7829aa03ce9f22c2c7a57bf179d0fb5003f2c00", kill_on_drop: false }`
[INFO] [stdout] be6d0cb0ba7bdab8791efd82b7829aa03ce9f22c2c7a57bf179d0fb5003f2c00
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] adfdad5754814c964691c66cf5f6e7cc6daa9165fc41a25de5412f5c2cd2fd24
[INFO] running `Command { std: "docker" "start" "-a" "adfdad5754814c964691c66cf5f6e7cc6daa9165fc41a25de5412f5c2cd2fd24", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking itoa v1.0.16
[INFO] [stderr]     Checking tracing-core v0.1.36
[INFO] [stderr]     Checking stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling find-msvc-tools v0.1.5
[INFO] [stderr]     Checking ryu v1.0.21
[INFO] [stderr]     Checking writeable v0.6.2
[INFO] [stderr]     Checking litemap v0.8.1
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking signal-hook-registry v1.4.7
[INFO] [stderr]     Checking mio v1.1.1
[INFO] [stderr]     Checking socket2 v0.6.1
[INFO] [stderr]    Compiling icu_normalizer_data v2.1.1
[INFO] [stderr]    Compiling icu_properties_data v2.1.2
[INFO] [stderr]     Checking rustls-pki-types v1.13.2
[INFO] [stderr]     Checking http v1.4.0
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]    Compiling rustls v0.23.35
[INFO] [stderr]     Checking unicode-ident v1.0.22
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling cc v1.2.50
[INFO] [stderr]     Checking iri-string v0.7.9
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]    Compiling ref-cast v1.0.25
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling typeid v1.0.3
[INFO] [stderr]     Checking webpki-roots v1.0.4
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling pest v2.8.4
[INFO] [stderr]    Compiling indexmap v2.12.1
[INFO] [stderr]    Compiling toml_parser v1.0.6+spec-1.1.0
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]     Checking dyn-clone v1.0.20
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling rstest_macros v0.26.1
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking uuid v1.19.0
[INFO] [stderr]    Compiling portable-atomic v1.12.0
[INFO] [stderr]    Compiling pastey v0.2.1
[INFO] [stderr]    Compiling erased-serde v0.4.9
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]     Checking http-body-util v0.1.3
[INFO] [stderr]     Checking console v0.15.11
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]    Compiling zip v2.4.2
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]     Checking winnow v0.7.14
[INFO] [stderr]    Compiling relative-path v1.9.3
[INFO] [stderr]    Compiling toml_edit v0.23.10+spec-1.0.0
[INFO] [stderr]     Checking simd-adler32 v0.3.8
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking time v0.3.44
[INFO] [stderr]    Compiling pest_meta v2.8.4
[INFO] [stderr]     Checking const-random v0.1.18
[INFO] [stderr]     Checking dlv-list v0.5.2
[INFO] [stderr]     Checking filetime v0.2.26
[INFO] [stderr]     Checking encoding_rs v0.8.35
[INFO] [stderr]     Checking ordered-multimap v0.7.3
[INFO] [stderr]    Compiling self_update v0.42.0
[INFO] [stderr]     Checking arraydeque v0.5.1
[INFO] [stderr]     Checking toml_writer v1.0.6+spec-1.1.0
[INFO] [stderr]    Compiling proc-macro-crate v3.4.0
[INFO] [stderr]     Checking convert_case v0.6.0
[INFO] [stderr]     Checking rust-ini v0.21.3
[INFO] [stderr]     Checking clap_builder v4.5.53
[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/c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f/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 --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=a4046ea6e9f31653 -C extra-filename=-e169ac79dad5a9cf --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-43e32a25692bf44a.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-01cdf4ac6a2aaf5b.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-9533002ac35f5809.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" "adfdad5754814c964691c66cf5f6e7cc6daa9165fc41a25de5412f5c2cd2fd24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adfdad5754814c964691c66cf5f6e7cc6daa9165fc41a25de5412f5c2cd2fd24", kill_on_drop: false }`
[INFO] [stdout] adfdad5754814c964691c66cf5f6e7cc6daa9165fc41a25de5412f5c2cd2fd24