[INFO] fetching crate world-models-gpc-train 0.1.0...
[INFO] testing world-models-gpc-train-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate world-models-gpc-train 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate world-models-gpc-train 0.1.0
[INFO] finished tweaking crates.io crate world-models-gpc-train 0.1.0
[INFO] tweaked toml for crates.io crate world-models-gpc-train 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate world-models-gpc-train 0.1.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate world-models-gpc-train 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7532341fcd40e10c0b5ff40d109a8558ea92d6ad853189820a03ed85cb8bb3ed
[INFO] running `Command { std: "docker" "start" "-a" "7532341fcd40e10c0b5ff40d109a8558ea92d6ad853189820a03ed85cb8bb3ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7532341fcd40e10c0b5ff40d109a8558ea92d6ad853189820a03ed85cb8bb3ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7532341fcd40e10c0b5ff40d109a8558ea92d6ad853189820a03ed85cb8bb3ed", kill_on_drop: false }`
[INFO] [stdout] 7532341fcd40e10c0b5ff40d109a8558ea92d6ad853189820a03ed85cb8bb3ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1de080f192c75b39ba64b2f11202262adc3b808578a12345b9b100b833d3b54
[INFO] running `Command { std: "docker" "start" "-a" "e1de080f192c75b39ba64b2f11202262adc3b808578a12345b9b100b833d3b54", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling libm v0.2.16
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling simd-adler32 v0.3.8
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling futures-core v0.3.32
[INFO] [stderr]    Compiling portable-atomic v1.13.1
[INFO] [stderr]    Compiling dirs-sys v0.5.0
[INFO] [stderr]    Compiling web-time v1.1.0
[INFO] [stderr]    Compiling embassy-futures v0.1.2
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling dirs v6.0.0
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling naga v26.0.0
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling cubecl-common v0.9.0
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling khronos-egl v6.0.0
[INFO] [stderr]    Compiling rand_core v0.9.5
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling futures-lite v2.6.1
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling codespan-reporting v0.12.0
[INFO] [stderr]    Compiling wgpu-hal v26.0.6
[INFO] [stderr]    Compiling hexf-parse v0.2.1
[INFO] [stderr]    Compiling float4 v0.1.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling toml_parser v1.0.9+spec-1.1.0
[INFO] [stderr]    Compiling spin v0.10.0
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling cubecl-runtime v0.9.0
[INFO] [stderr]    Compiling raw-window-handle v0.6.2
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling cubecl-macros v0.9.0
[INFO] [stderr]    Compiling toml_writer v1.0.6+spec-1.1.0
[INFO] [stderr]    Compiling renderdoc-sys v1.1.0
[INFO] [stderr]    Compiling glow v0.16.0
[INFO] [stderr]    Compiling async-channel v2.5.0
[INFO] [stderr]    Compiling wgpu-core v26.0.1
[INFO] [stderr]    Compiling md5 v0.8.0
[INFO] [stderr]    Compiling wgpu v26.0.1
[INFO] [stderr]    Compiling cubecl-wgpu v0.9.0
[INFO] [stderr]    Compiling cubecl v0.9.0
[INFO] [stderr]    Compiling cc v1.2.57
[INFO] [stderr]    Compiling tinyvec v1.11.0
[INFO] [stderr]    Compiling as-slice v0.2.1
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling av-scenechange v0.14.1
[INFO] [stderr]    Compiling built v0.8.0
[INFO] [stderr]    Compiling aligned v0.4.3
[INFO] [stderr]    Compiling core2 v0.4.0
[INFO] [stderr]    Compiling pastey v0.1.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.25
[INFO] [stderr]    Compiling y4m v0.8.0
[INFO] [stderr]    Compiling quick-error v2.0.1
[INFO] [stderr]    Compiling gix-trace v0.1.18
[INFO] [stderr]    Compiling bitstream-io v4.9.0
[INFO] [stderr]    Compiling flate2 v1.1.9
[INFO] [stderr]    Compiling maybe-rayon v0.1.1
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling ordered-float v5.0.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling rav1e v0.8.1
[INFO] [stderr]    Compiling simd_helpers v0.1.0
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling bitflags v2.11.0
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling serde_bytes v0.11.19
[INFO] [stderr]    Compiling serde_spanned v1.0.4
[INFO] [stderr]    Compiling toml_datetime v0.7.5+spec-1.1.0
[INFO] [stderr]    Compiling gix-utils v0.3.1
[INFO] [stderr]    Compiling fallible-streaming-iterator v0.1.9
[INFO] [stderr]    Compiling gpu-alloc-types v0.3.0
[INFO] [stderr]    Compiling spirv v0.3.0+sdk-1.3.268.0
[INFO] [stderr]    Compiling gpu-descriptor-types v0.2.0
[INFO] [stderr]    Compiling signal-hook v0.4.3
[INFO] [stderr]    Compiling gpu-alloc v0.6.0
[INFO] [stderr]    Compiling toml v0.9.12+spec-1.1.0
[INFO] [stderr]    Compiling libsqlite3-sys v0.35.0
[INFO] [stderr]    Compiling zune-core v0.5.1
[INFO] [stderr]    Compiling weezl v0.1.12
[INFO] [stderr]    Compiling noop_proc_macro v0.3.0
[INFO] [stderr]    Compiling fallible-iterator v0.3.0
[INFO] [stderr]    Compiling imgref v1.12.0
[INFO] [stderr]    Compiling zune-jpeg v0.5.13
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]    Compiling loop9 v0.1.5
[INFO] [stderr]    Compiling gix-features v0.45.2
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling rand v0.10.0
[INFO] [stderr]    Compiling scheduled-thread-pool v0.2.7
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling avif-serialize v0.8.8
[INFO] [stderr]    Compiling zune-inflate v0.2.54
[INFO] [stderr]    Compiling fdeflate v0.3.7
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling lebe v0.5.3
[INFO] [stderr]    Compiling rgb v0.8.53
[INFO] [stderr]    Compiling bit_field v0.10.3
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling pxfm v0.1.28
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling byteorder-lite v0.1.0
[INFO] [stderr]    Compiling dashmap v6.1.0
[INFO] [stderr]    Compiling gif v0.14.1
[INFO] [stderr]    Compiling png v0.18.1
[INFO] [stderr]    Compiling darling_core v0.21.3
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling image-webp v0.2.4
[INFO] [stderr]    Compiling uuid v1.22.0
[INFO] [stderr]    Compiling r2d2 v0.8.10
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling bstr v1.12.1
[INFO] [stderr]    Compiling sanitize-filename v0.6.0
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]    Compiling rmp v0.8.15
[INFO] [stderr]    Compiling csv-core v0.1.13
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling winnow v0.7.15
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[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/beta-2026-04-21-x86_64-unknown-linux-gnu/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 --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="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=c68c99311cc62e8e -C extra-filename=-8033604eff7560c2 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-af63080cb3c4e46a.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-866706526c1a0fdf.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-499e208ff65c691c.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e1de080f192c75b39ba64b2f11202262adc3b808578a12345b9b100b833d3b54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1de080f192c75b39ba64b2f11202262adc3b808578a12345b9b100b833d3b54", kill_on_drop: false }`
[INFO] [stdout] e1de080f192c75b39ba64b2f11202262adc3b808578a12345b9b100b833d3b54
