[INFO] fetching crate sp-ark-bls12-381 0.4.1...
[INFO] testing sp-ark-bls12-381-0.4.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate sp-ark-bls12-381 0.4.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate sp-ark-bls12-381 0.4.1
[INFO] finished tweaking crates.io crate sp-ark-bls12-381 0.4.1
[INFO] tweaked toml for crates.io crate sp-ark-bls12-381 0.4.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sp-ark-bls12-381 0.4.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 246 packages to latest compatible versions
[INFO] [stderr]       Adding ark-algebra-test-templates v0.4.2 (available: v0.6.0)
[INFO] [stderr]       Adding ark-bls12-381-ext v0.4.1 (available: v0.5.2)
[INFO] [stderr]       Adding ark-ec v0.4.2 (available: v0.6.0)
[INFO] [stderr]       Adding ark-ff v0.4.2 (available: v0.6.0)
[INFO] [stderr]       Adding ark-scale v0.0.11 (available: v0.0.13)
[INFO] [stderr]       Adding ark-std v0.4.0 (available: v0.6.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding sp-crypto-ec-utils v0.4.0 (available: v0.20.0)
[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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 05b41b15a5b8b0ccb1680ffe057e0936de9a0f516f3ce6d2b2afbe2d1df4df9a
[INFO] running `Command { std: "docker" "start" "-a" "05b41b15a5b8b0ccb1680ffe057e0936de9a0f516f3ce6d2b2afbe2d1df4df9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05b41b15a5b8b0ccb1680ffe057e0936de9a0f516f3ce6d2b2afbe2d1df4df9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05b41b15a5b8b0ccb1680ffe057e0936de9a0f516f3ce6d2b2afbe2d1df4df9a", kill_on_drop: false }`
[INFO] [stdout] 05b41b15a5b8b0ccb1680ffe057e0936de9a0f516f3ce6d2b2afbe2d1df4df9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 5d5f6bbfd6d983ae54193d0a1b7dd2ef16d56cd59a8d712e116d9c2b4050d5df
[INFO] running `Command { std: "docker" "start" "-a" "5d5f6bbfd6d983ae54193d0a1b7dd2ef16d56cd59a8d712e116d9c2b4050d5df", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling typenum v1.20.0
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling hashbrown v0.17.0
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling litemap v0.8.2
[INFO] [stderr]    Compiling writeable v0.6.3
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling icu_normalizer_data v2.2.0
[INFO] [stderr]    Compiling icu_properties_data v2.2.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling winnow v1.0.2
[INFO] [stderr]    Compiling toml_datetime v1.1.1+spec-1.1.0
[INFO] [stderr]    Compiling konst_macro_rules v0.2.19
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling find-msvc-tools v0.1.9
[INFO] [stderr]    Compiling konst v0.2.20
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.34
[INFO] [stderr]    Compiling parity-scale-codec v3.7.5
[INFO] [stderr]    Compiling byte-slice-cast v1.2.3
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling cc v1.2.61
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling bytes v1.11.1
[INFO] [stderr]    Compiling anyhow v1.0.102
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling indexmap v2.14.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling rustix v0.36.17
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling const_format v0.2.36
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling linux-raw-sys v0.1.4
[INFO] [stderr]    Compiling cpp_demangle v0.3.5
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling memfd v0.6.5
[INFO] [stderr]    Compiling wasmtime-jit-debug v8.0.1
[INFO] [stderr]    Compiling toml_parser v1.1.2+spec-1.1.0
[INFO] [stderr]    Compiling wasmtime-asm-macros v8.0.1
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling ref-cast v1.0.25
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sp-std v9.0.0
[INFO] [stderr]    Compiling wasmtime-jit-icache-coherence v8.0.1
[INFO] [stderr]    Compiling wasmtime v8.0.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.17
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.65
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling toml_edit v0.25.11+spec-1.1.0
[INFO] [stderr]    Compiling chrono v0.4.44
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling tracing-log v0.1.4
[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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5d5f6bbfd6d983ae54193d0a1b7dd2ef16d56cd59a8d712e116d9c2b4050d5df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d5f6bbfd6d983ae54193d0a1b7dd2ef16d56cd59a8d712e116d9c2b4050d5df", kill_on_drop: false }`
[INFO] [stdout] 5d5f6bbfd6d983ae54193d0a1b7dd2ef16d56cd59a8d712e116d9c2b4050d5df
