[INFO] fetching crate egui-mcp-server 0.0.5...
[INFO] testing egui-mcp-server-0.0.5 against master#d933cf483edf1605142ac6899ff32536c0ad8b22 for pr-150933
[INFO] extracting crate egui-mcp-server 0.0.5 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate egui-mcp-server 0.0.5
[INFO] finished tweaking crates.io crate egui-mcp-server 0.0.5
[INFO] tweaked toml for crates.io crate egui-mcp-server 0.0.5 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate egui-mcp-server 0.0.5 on toolchain d933cf483edf1605142ac6899ff32536c0ad8b22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate egui-mcp-server 0.0.5 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" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded atspi v0.29.0
[INFO] [stderr]   Downloaded image-compare v0.4.2
[INFO] [stderr]   Downloaded schemars_derive v1.2.0
[INFO] [stderr]   Downloaded atspi-proxies v0.13.0
[INFO] [stderr]   Downloaded rmcp-macros v0.13.0
[INFO] [stderr]   Downloaded atspi-connection v0.13.0
[INFO] [stderr]   Downloaded atspi-common v0.13.0
[INFO] [stderr]   Downloaded rmcp v0.13.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2707103b4c211e0dc9df8091d0696876c6f051c568bfc691eba123a889a38801
[INFO] running `Command { std: "docker" "start" "-a" "2707103b4c211e0dc9df8091d0696876c6f051c568bfc691eba123a889a38801", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2707103b4c211e0dc9df8091d0696876c6f051c568bfc691eba123a889a38801", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2707103b4c211e0dc9df8091d0696876c6f051c568bfc691eba123a889a38801", kill_on_drop: false }`
[INFO] [stdout] 2707103b4c211e0dc9df8091d0696876c6f051c568bfc691eba123a889a38801
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0d94db6f5bde97da125cb313efba10ff54139f3373260a271631921f948514a
[INFO] running `Command { std: "docker" "start" "-a" "b0d94db6f5bde97da125cb313efba10ff54139f3373260a271631921f948514a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling winnow v0.7.14
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling toml_datetime v0.7.5+spec-1.1.0
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling parking v2.2.1
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling endi v1.1.1
[INFO] [stderr]    Compiling slab v0.4.11
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling futures-lite v2.6.1
[INFO] [stderr]    Compiling socket2 v0.6.2
[INFO] [stderr]    Compiling mio v1.1.1
[INFO] [stderr]    Compiling async-io v2.6.0
[INFO] [stderr]    Compiling zmij v1.0.16
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling async-task v4.7.1
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling zerocopy v0.8.33
[INFO] [stderr]    Compiling piper v0.2.4
[INFO] [stderr]    Compiling as-slice v0.2.1
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling built v0.8.0
[INFO] [stderr]    Compiling async-channel v2.5.0
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling async-lock v3.4.2
[INFO] [stderr]    Compiling av-scenechange v0.14.1
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling async-executor v1.13.3
[INFO] [stderr]    Compiling async-broadcast v0.7.2
[INFO] [stderr]    Compiling blocking v1.6.2
[INFO] [stderr]    Compiling aligned v0.4.3
[INFO] [stderr]    Compiling core2 v0.4.0
[INFO] [stderr]    Compiling ordered-stream v0.2.0
[INFO] [stderr]    Compiling rav1e v0.8.1
[INFO] [stderr]    Compiling y4m v0.8.0
[INFO] [stderr]    Compiling pastey v0.1.1
[INFO] [stderr]    Compiling quick-error v2.0.1
[INFO] [stderr]    Compiling simd_helpers v0.1.0
[INFO] [stderr]    Compiling bitstream-io v4.9.0
[INFO] [stderr]    Compiling flate2 v1.1.8
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling imgref v1.12.0
[INFO] [stderr]    Compiling noop_proc_macro v0.3.0
[INFO] [stderr]    Compiling weezl v0.1.12
[INFO] [stderr]    Compiling zune-core v0.4.12
[INFO] [stderr]    Compiling ref-cast v1.0.25
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling loop9 v0.1.5
[INFO] [stderr]    Compiling avif-serialize v0.8.6
[INFO] [stderr]    Compiling zune-inflate v0.2.54
[INFO] [stderr]    Compiling pxfm v0.1.27
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling bytemuck v1.24.0
[INFO] [stderr]    Compiling zune-jpeg v0.4.21
[INFO] [stderr]    Compiling rgb v0.8.52
[INFO] [stderr]    Compiling zune-core v0.5.1
[INFO] [stderr]    Compiling iana-time-zone v0.1.64
[INFO] [stderr]    Compiling lebe v0.5.3
[INFO] [stderr]    Compiling bit_field v0.10.3
[INFO] [stderr]    Compiling qoi v0.4.1
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling gif v0.14.1
[INFO] [stderr]    Compiling image-webp v0.2.4
[INFO] [stderr]    Compiling zune-jpeg v0.5.11
[INFO] [stderr]    Compiling png v0.18.0
[INFO] [stderr]    Compiling clap_lex v0.7.7
[INFO] [stderr]    Compiling toml_parser v1.0.6+spec-1.1.0
[INFO] [stderr]    Compiling uuid v1.19.0
[INFO] [stderr]    Compiling rmcp v0.13.0
[INFO] [stderr]    Compiling toml_edit v0.23.10+spec-1.0.0
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling clap_builder v4.5.54
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling proc-macro-crate v3.4.0
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling pastey v0.2.1
[INFO] [stderr]    Compiling nu-ansi-term v0.50.3
[INFO] [stderr]    Compiling maybe-rayon v0.1.1
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]    Compiling darling_core v0.23.0
[INFO] [stderr]    Compiling polling v3.11.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling enumflags2_derive v0.7.12
[INFO] [stderr]    Compiling equator-macro v0.4.2
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling zerocopy-derive v0.8.33
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling profiling-procmacros v1.0.17
[INFO] [stderr]    Compiling equator v0.4.2
[INFO] [stderr]    Compiling async-signal v0.2.13
[INFO] [stderr]    Compiling serde_repr v0.1.20
[INFO] [stderr]    Compiling tokio v1.49.0
[INFO] [stderr]    Compiling aligned-vec v0.6.4
[INFO] [stderr]    Compiling async-process v2.5.0
[INFO] [stderr]    Compiling v_frame v0.3.9
[INFO] [stderr]    Compiling arg_enum_proc_macro v0.3.4
[INFO] [stderr]    Compiling av1-grain v0.2.5
[INFO] [stderr]    Compiling profiling v1.0.17
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]    Compiling fax_derive v0.2.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling ref-cast-impl v1.0.25
[INFO] [stderr]    Compiling schemars_derive v1.2.0
[INFO] [stderr]    Compiling fax v0.2.6
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling moxcms v0.7.11
[INFO] [stderr]    Compiling matchers v0.2.0
[INFO] [stderr]    Compiling schemars_derive v0.8.22
[INFO] [stderr]    Compiling clap_derive v4.5.49
[INFO] [stderr]    Compiling tracing-subscriber v0.3.22
[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/d933cf483edf1605142ac6899ff32536c0ad8b22/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.114/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 -C debuginfo=2 --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"' --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=f41cabe1b490614b -C extra-filename=-38be0f7e5488125c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-2d01ab1275df9ceb.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-e69642fd887cd69b.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-6c0afd1e85ed9e63.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" "b0d94db6f5bde97da125cb313efba10ff54139f3373260a271631921f948514a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0d94db6f5bde97da125cb313efba10ff54139f3373260a271631921f948514a", kill_on_drop: false }`
[INFO] [stdout] b0d94db6f5bde97da125cb313efba10ff54139f3373260a271631921f948514a