[INFO] fetching crate nu-mcp 0.115.1...
[INFO] checking nu-mcp-0.115.1 against f4dd856795debe636f2ba39a900f162f5abeb7e8 for pr-160904
[INFO] extracting crate nu-mcp 0.115.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate nu-mcp 0.115.1
[INFO] finished tweaking crates.io crate nu-mcp 0.115.1
[INFO] tweaked toml for crates.io crate nu-mcp 0.115.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nu-mcp 0.115.1 on toolchain f4dd856795debe636f2ba39a900f162f5abeb7e8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f4dd856795debe636f2ba39a900f162f5abeb7e8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate nu-mcp 0.115.1 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" "+f4dd856795debe636f2ba39a900f162f5abeb7e8" "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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 0810ad42c7b4efa114a05d584f93571b40f4a49abd9075a9eb45d7db968a70ca
[INFO] running `Command { std: "docker" "start" "0810ad42c7b4efa114a05d584f93571b40f4a49abd9075a9eb45d7db968a70ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0810ad42c7b4efa114a05d584f93571b40f4a49abd9075a9eb45d7db968a70ca", 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" "0810ad42c7b4efa114a05d584f93571b40f4a49abd9075a9eb45d7db968a70ca" "/opt/rustwide/cargo-home/bin/cargo" "+f4dd856795debe636f2ba39a900f162f5abeb7e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0810ad42c7b4efa114a05d584f93571b40f4a49abd9075a9eb45d7db968a70ca", 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" "0810ad42c7b4efa114a05d584f93571b40f4a49abd9075a9eb45d7db968a70ca" "/opt/rustwide/cargo-home/bin/cargo" "+f4dd856795debe636f2ba39a900f162f5abeb7e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]     Checking log v0.4.29
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]     Checking bitflags v2.11.0
[INFO] [stderr]    Compiling thiserror v2.0.19
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]     Checking bytes v1.12.0
[INFO] [stderr]     Checking hashbrown v0.17.0
[INFO] [stderr]     Checking linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling syn v3.0.2
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]     Checking regex-syntax v0.8.11
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]    Compiling unicode-segmentation v1.13.3
[INFO] [stderr]     Checking pure-rust-locales v0.8.2
[INFO] [stderr]     Checking rustc-hash v2.1.2
[INFO] [stderr]     Checking mio v1.2.0
[INFO] [stderr]    Compiling serde_json v1.0.151
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]    Compiling ref-cast v1.0.25
[INFO] [stderr]    Compiling nix v0.31.3
[INFO] [stderr]     Checking anstyle-parse v0.2.7
[INFO] [stderr]     Checking type-map v0.5.1
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking indexmap v2.14.0
[INFO] [stderr]     Checking unicode-width v0.2.2
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.2
[INFO] [stderr]     Checking anstyle v1.0.13
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]     Checking anstyle-query v1.1.5
[INFO] [stderr]     Checking colorchoice v1.0.4
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking signal-hook v0.3.18
[INFO] [stderr]     Checking option-ext v0.2.0
[INFO] [stderr]     Checking anstream v0.6.21
[INFO] [stderr]    Compiling convert_case v0.10.0
[INFO] [stderr]    Compiling litrs v1.0.0
[INFO] [stderr]     Checking bit-vec v0.8.0
[INFO] [stderr]    Compiling typeid v1.0.3
[INFO] [stderr]     Checking self_cell v1.2.2
[INFO] [stderr]     Checking clap_lex v1.0.0
[INFO] [stderr]     Checking signal-hook-mio v0.2.5
[INFO] [stderr]     Checking dirs-sys v0.5.0
[INFO] [stderr]     Checking itertools v0.15.0
[INFO] [stderr]     Checking vte v0.14.1
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]    Compiling anyhow v1.0.102
[INFO] [stderr]    Compiling owo-colors v4.3.0
[INFO] [stderr]     Checking bit-set v0.8.0
[INFO] [stderr]    Compiling procfs v0.18.0
[INFO] [stderr]    Compiling uucore v0.10.0
[INFO] [stderr]    Compiling erased-serde v0.4.10
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking num-format v0.4.4
[INFO] [stderr]     Checking strip-ansi-escapes v0.2.1
[INFO] [stderr]     Checking dirs v6.0.0
[INFO] [stderr]     Checking buf-trait v0.4.1
[INFO] [stderr]     Checking rayon-core v1.13.0
[INFO] [stderr]     Checking lscolors v0.21.0
[INFO] [stderr]     Checking os_display v0.1.4
[INFO] [stderr]    Compiling document-features v0.2.12
[INFO] [stderr]     Checking byteyarn v0.5.1
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling uucore_procs v0.10.0
[INFO] [stderr]     Checking is_ci v1.2.0
[INFO] [stderr]     Checking sys-locale v0.3.2
[INFO] [stderr]     Checking unicode-linebreak v0.1.5
[INFO] [stderr]    Compiling typetag v0.2.21
[INFO] [stderr]     Checking unicase v2.9.0
[INFO] [stderr]     Checking textwrap v0.16.2
[INFO] [stderr]     Checking supports-color v3.0.2
[INFO] [stderr]     Checking sysinfo v0.39.3
[INFO] [stderr]     Checking inventory v0.3.22
[INFO] [stderr]     Checking rayon v1.12.0
[INFO] [stderr]     Checking supports-hyperlinks v3.2.0
[INFO] [stderr]     Checking supports-unicode v3.0.0
[INFO] [stderr]     Checking web-time v1.1.0
[INFO] [stderr]     Checking unicode-width v0.1.14
[INFO] [stderr]     Checking http v1.5.0
[INFO] [stderr]     Checking lru v0.18.0
[INFO] [stderr]     Checking tracing-core v0.1.36
[INFO] [stderr]     Checking socket2 v0.6.3
[INFO] [stderr]     Checking os_pipe v1.2.3
[INFO] [stderr]     Checking heck v0.5.0
[INFO] [stderr]     Checking humantime v2.4.0
[INFO] [stderr]     Checking winnow v1.0.0
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.34
[INFO] [stderr]     Checking rand_core v0.10.0
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]     Checking bytesize v2.7.0
[INFO] [stderr]    Compiling jiff v0.2.23
[INFO] [stderr]     Checking regex-automata v0.4.16
[INFO] [stderr]    Compiling is_debug v1.1.0
[INFO] [stderr]     Checking chacha20 v0.10.0
[INFO] [stderr]    Compiling rmcp v3.1.0
[INFO] [stderr]     Checking uuid v1.24.0
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]     Checking http-body-util v0.1.3
[INFO] [stderr]     Checking rand v0.10.1
[INFO] [stderr]    Compiling const_format v0.2.35
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking thread_local v1.1.9
[INFO] [stderr]    Compiling pastey v0.2.3
[INFO] [stderr]     Checking base64 v0.23.0
[INFO] [stderr]     Checking shadow-rs v2.0.0
[INFO] [stderr]    Compiling indoc v2.0.7
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]    Compiling thiserror-impl v2.0.19
[INFO] [stderr]     Checking lean_string v0.7.0
[INFO] [stderr]     Checking semver v1.0.27
[INFO] [stderr]     Checking fluent-syntax v0.12.0
[INFO] [stderr]     Checking nu-experimental v0.115.1
[INFO] [stderr]    Compiling darling_core v0.21.3
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling darling_core v0.23.0
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[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/f4dd856795debe636f2ba39a900f162f5abeb7e8/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.117/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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --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=5635195cd3c6c081 -C extra-filename=-c107d8699e5d08dc --out-dir /opt/rustwide/target/debug/build/syn/c107d8699e5d08dc/out -L dependency=/opt/rustwide/target/debug/build/proc-macro2/d4cb564e807a9cd7/out -L dependency=/opt/rustwide/target/debug/build/unicode-ident/8c98a1a0e58216a9/out --extern proc_macro2=/opt/rustwide/target/debug/build/proc-macro2/d4cb564e807a9cd7/out/libproc_macro2-d4cb564e807a9cd7.rmeta --extern quote=/opt/rustwide/target/debug/build/quote/aa2c5b8519914b46/out/libquote-aa2c5b8519914b46.rmeta --extern unicode_ident=/opt/rustwide/target/debug/build/unicode-ident/8c98a1a0e58216a9/out/libunicode_ident-8c98a1a0e58216a9.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" "0810ad42c7b4efa114a05d584f93571b40f4a49abd9075a9eb45d7db968a70ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0810ad42c7b4efa114a05d584f93571b40f4a49abd9075a9eb45d7db968a70ca", kill_on_drop: false }`
[INFO] [stdout] 0810ad42c7b4efa114a05d584f93571b40f4a49abd9075a9eb45d7db968a70ca
