[INFO] fetching crate r2x 0.1.0...
[INFO] testing r2x-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate r2x 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate r2x 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate r2x 0.1.0
[INFO] tweaked toml for crates.io crate r2x 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate r2x 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 r2x 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 54c0728a9e91b537630e2b9bfc4640692ef11480174de42d1d81c552c76f6ea3
[INFO] running `Command { std: "docker" "start" "-a" "54c0728a9e91b537630e2b9bfc4640692ef11480174de42d1d81c552c76f6ea3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54c0728a9e91b537630e2b9bfc4640692ef11480174de42d1d81c552c76f6ea3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54c0728a9e91b537630e2b9bfc4640692ef11480174de42d1d81c552c76f6ea3", kill_on_drop: false }`
[INFO] [stdout] 54c0728a9e91b537630e2b9bfc4640692ef11480174de42d1d81c552c76f6ea3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] bc8bd7ecb8e4332ac886242950d8d502c952f3564120aeb9bb0300fa772a8f03
[INFO] running `Command { std: "docker" "start" "-a" "bc8bd7ecb8e4332ac886242950d8d502c952f3564120aeb9bb0300fa772a8f03", kill_on_drop: false }`
[INFO] [stderr]    Compiling tree-sitter v0.21.0
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling target-lexicon v0.13.5
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.117
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling bumpalo v3.20.2
[INFO] [stderr]    Compiling dirs-sys v0.5.0
[INFO] [stderr]    Compiling indexmap v2.13.1
[INFO] [stderr]    Compiling wasm-bindgen v0.2.117
[INFO] [stderr]    Compiling winnow v1.0.1
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling portable-atomic v1.13.1
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling toml_writer v1.1.1+spec-1.1.0
[INFO] [stderr]    Compiling winnow v0.7.15
[INFO] [stderr]    Compiling console v0.16.3
[INFO] [stderr]    Compiling toml_parser v1.1.2+spec-1.1.0
[INFO] [stderr]    Compiling dirs v6.0.0
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling bstr v1.12.1
[INFO] [stderr]    Compiling tree-sitter-rust v0.21.2
[INFO] [stderr]    Compiling tree-sitter-bash v0.21.0
[INFO] [stderr]    Compiling tree-sitter-scala v0.21.0
[INFO] [stderr]    Compiling tree-sitter-ruby v0.21.0
[INFO] [stderr]    Compiling tree-sitter-cpp v0.22.3
[INFO] [stderr]    Compiling tree-sitter-json v0.21.0
[INFO] [stderr]    Compiling tree-sitter-go v0.21.2
[INFO] [stderr]    Compiling tree-sitter-c-sharp v0.21.3
[INFO] [stderr]    Compiling tree-sitter-typescript v0.21.2
[INFO] [stderr]    Compiling tree-sitter-java v0.21.0
[INFO] [stderr]    Compiling pyo3-build-config v0.27.2
[INFO] [stderr]    Compiling tree-sitter-haskell v0.21.0
[INFO] [stderr]    Compiling tree-sitter-css v0.21.1
[INFO] [stderr]    Compiling tree-sitter-javascript-sg v0.21.2
[INFO] [stderr]    Compiling tree-sitter-php v0.22.8
[INFO] [stderr]    Compiling tree-sitter-c v0.21.4
[INFO] [stderr]    Compiling tree-sitter-html v0.20.4
[INFO] [stderr]    Compiling tree-sitter-python v0.21.0
[INFO] [stderr]    Compiling tree-sitter-kotlin v0.3.8
[INFO] [stderr]    Compiling tree-sitter-elixir v0.2.0
[INFO] [stderr]    Compiling tree-sitter-swift v0.4.2
[INFO] [stderr]    Compiling tree-sitter-lua v0.1.0
[INFO] [stderr]    Compiling tree-sitter-dart v0.0.4
[INFO] [stderr]    Compiling unit-prefix v0.5.2
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling anstyle-parse v1.0.0
[INFO] [stderr]    Compiling indicatif v0.18.4
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling pyo3-ffi v0.27.2
[INFO] [stderr]    Compiling pyo3-macros-backend v0.27.2
[INFO] [stderr]    Compiling serde_spanned v1.1.1
[INFO] [stderr]    Compiling toml_datetime v0.7.5+spec-1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling pyo3 v0.27.2
[INFO] [stderr]    Compiling toml v0.9.12+spec-1.1.0
[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] [stderr] error: could not compile `zerocopy` (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 zerocopy --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/zerocopy-0.8.48/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="simd"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("__internal_use_only_features_that_work_on_stable", "alloc", "derive", "float-nightly", "simd", "simd-nightly", "std", "zerocopy-derive"))' -C metadata=4bebebe82bfe885b -C extra-filename=-654b66278cc68e2a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn --check-cfg 'cfg(no_zerocopy_simd_x86_avx12_1_89_0)' --check-cfg 'cfg(rust, values("1.89.0"))' --check-cfg 'cfg(no_zerocopy_core_error_1_81_0)' --check-cfg 'cfg(rust, values("1.81.0"))' --check-cfg 'cfg(no_zerocopy_diagnostic_on_unimplemented_1_78_0)' --check-cfg 'cfg(rust, values("1.78.0"))' --check-cfg 'cfg(no_zerocopy_generic_bounds_in_const_fn_1_61_0)' --check-cfg 'cfg(rust, values("1.61.0"))' --check-cfg 'cfg(no_zerocopy_target_has_atomics_1_60_0)' --check-cfg 'cfg(rust, values("1.60.0"))' --check-cfg 'cfg(no_zerocopy_aarch64_simd_1_59_0)' --check-cfg 'cfg(rust, values("1.59.0"))' --check-cfg 'cfg(no_zerocopy_aarch64_simd_be_1_87_0)' --check-cfg 'cfg(rust, values("1.87.0"))' --check-cfg 'cfg(no_zerocopy_panic_in_const_and_vec_try_reserve_1_57_0)' --check-cfg 'cfg(rust, values("1.57.0"))' --check-cfg 'cfg(doc_cfg)' --check-cfg 'cfg(kani)' --check-cfg 'cfg(__ZEROCOPY_INTERNAL_USE_ONLY_NIGHTLY_FEATURES_IN_TESTS)' --check-cfg 'cfg(__ZEROCOPY_INTERNAL_USE_ONLY_DEV_MODE)' --check-cfg 'cfg(coverage_nightly)' --check-cfg 'cfg(zerocopy_inline_always)'` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "bc8bd7ecb8e4332ac886242950d8d502c952f3564120aeb9bb0300fa772a8f03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc8bd7ecb8e4332ac886242950d8d502c952f3564120aeb9bb0300fa772a8f03", kill_on_drop: false }`
[INFO] [stdout] bc8bd7ecb8e4332ac886242950d8d502c952f3564120aeb9bb0300fa772a8f03
