[INFO] fetching crate sklears-datasets 0.1.0...
[INFO] testing sklears-datasets-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate sklears-datasets 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate sklears-datasets 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate sklears-datasets 0.1.0
[INFO] tweaked toml for crates.io crate sklears-datasets 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sklears-datasets 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 sklears-datasets 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-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] c0eae88be6ce6ebe2474bb2aea2f5ff5733b3fd99ff3ad33d7a82d6c68a2330c
[INFO] running `Command { std: "docker" "start" "-a" "c0eae88be6ce6ebe2474bb2aea2f5ff5733b3fd99ff3ad33d7a82d6c68a2330c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0eae88be6ce6ebe2474bb2aea2f5ff5733b3fd99ff3ad33d7a82d6c68a2330c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0eae88be6ce6ebe2474bb2aea2f5ff5733b3fd99ff3ad33d7a82d6c68a2330c", kill_on_drop: false }`
[INFO] [stdout] c0eae88be6ce6ebe2474bb2aea2f5ff5733b3fd99ff3ad33d7a82d6c68a2330c
[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] 9b9b628b5a1a01aa7fb1bb5175d3a8e46409797ceda46a8fb13bb390b1ccd5c9
[INFO] running `Command { std: "docker" "start" "-a" "9b9b628b5a1a01aa7fb1bb5175d3a8e46409797ceda46a8fb13bb390b1ccd5c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling libm v0.2.16
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling zerocopy v0.8.42
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling rand_core v0.10.0
[INFO] [stderr]    Compiling find-msvc-tools v0.1.9
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling cc v1.2.57
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling foldhash v0.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling cpufeatures v0.3.0
[INFO] [stderr]    Compiling itoa v1.0.17
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]    Compiling chacha20 v0.10.0
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling iana-time-zone v0.1.65
[INFO] [stderr]    Compiling cached_proc_macro_types v0.1.1
[INFO] [stderr]    Compiling web-time v1.1.0
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling ryu v1.0.23
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling cpufeatures v0.2.17
[INFO] [stderr]    Compiling bitflags v2.11.0
[INFO] [stderr]    Compiling csv-core v0.1.13
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.11
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling constant_time_eq v0.4.2
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling rand_core v0.9.5
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling scirs2-core v0.3.4
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling rand v0.10.0
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling blake3 v1.8.3
[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling arrayref v0.3.9
[INFO] [stderr]    Compiling futures-core v0.3.32
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling memmap2 v0.9.10
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling rand_distr v0.6.0
[INFO] [stderr]    Compiling uuid v1.22.0
[INFO] [stderr]    Compiling csv v1.4.0
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling bytemuck_derive v1.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling zerocopy-derive v0.8.42
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling oxicode_derive v0.2.1
[INFO] [stderr]    Compiling bytemuck v1.25.0
[INFO] [stderr]    Compiling safe_arch v0.7.4
[INFO] [stderr]    Compiling safe_arch v1.0.0
[INFO] [stderr]    Compiling oxiarc-core v0.2.5
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling oxiarc-lz4 v0.2.5
[INFO] [stderr]    Compiling oxiarc-zstd v0.2.5
[INFO] [stderr]    Compiling oxiarc-brotli v0.2.5
[INFO] [stderr]    Compiling oxiarc-lzma v0.2.5
[INFO] [stderr]    Compiling oxiarc-lzhuf v0.2.5
[INFO] [stderr]    Compiling oxiarc-bzip2 v0.2.5
[INFO] [stderr]    Compiling oxiarc-deflate v0.2.5
[INFO] [stderr]    Compiling oxiarc-snappy v0.2.5
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling cached_proc_macro v0.26.0
[INFO] [stderr]    Compiling wide v0.7.33
[INFO] [stderr]    Compiling wide v1.2.0
[INFO] [stderr]    Compiling oxiarc-archive v0.2.5
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling chrono v0.4.44
[INFO] [stderr]    Compiling oxicode v0.2.1
[INFO] [stderr]    Compiling serde_yaml v0.9.34+deprecated
[INFO] [stderr]    Compiling oxiblas-core v0.2.1
[INFO] [stderr]    Compiling ndarray v0.17.2
[INFO] [stderr]    Compiling simba v0.9.1
[INFO] [stderr]    Compiling oxiblas-matrix v0.2.1
[INFO] [stderr]    Compiling oxiblas-blas v0.2.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling cached v0.58.0
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.10.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling oxiblas-lapack v0.2.1
[INFO] [stderr]    Compiling rand_distr v0.5.1
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling nalgebra v0.33.2
[INFO] [stderr]    Compiling ndarray-rand v0.16.0
[INFO] [stderr]    Compiling oxiblas-ndarray v0.2.1
[INFO] [stderr]    Compiling statrs v0.18.0
[INFO] [stderr]    Compiling scirs2-linalg v0.3.4
[INFO] [stderr]    Compiling scirs2-datasets v0.3.4
[INFO] [stderr] error: could not compile `scirs2-core` (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 scirs2_core --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/scirs2-core-0.3.4/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 '--warn=clippy::unwrap_used' --allow=unused_variables --allow=unused_mut --allow=unused_imports --allow=unpredictable_function_pointer_comparisons --allow=unknown_lints --allow=mismatched_lifetime_syntaxes '--allow=clippy::expect_used' --allow=dead_code --cfg 'feature="array"' --cfg 'feature="cache"' --cfg 'feature="cached"' --cfg 'feature="crossbeam"' --cfg 'feature="crossbeam-deque"' --cfg 'feature="crossbeam-utils"' --cfg 'feature="gpu"' --cfg 'feature="linalg"' --cfg 'feature="ndarray-rand"' --cfg 'feature="num_cpus"' --cfg 'feature="oxiblas-blas"' --cfg 'feature="oxiblas-lapack"' --cfg 'feature="oxiblas-ndarray"' --cfg 'feature="parallel"' --cfg 'feature="random"' --cfg 'feature="rayon"' --cfg 'feature="serde"' --cfg 'feature="serde_json"' --cfg 'feature="serialization"' --cfg 'feature="simd"' --cfg 'feature="std"' --cfg 'feature="wide"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("all", "all_ints", "alloc", "arbitrary-precision", "array", "array_io", "array_protocol", "array_protocol_all", "array_protocol_cuda", "array_protocol_distributed", "array_protocol_gpu", "array_protocol_jit", "array_protocol_metal", "array_protocol_opencl", "array_protocol_rocm", "array_protocol_wgpu", "array_stats", "arrow", "async", "async-trait", "benchmarking", "bytemuck", "cache", "cached", "cloud", "compression", "cross_platform", "crossbeam", "crossbeam-deque", "crossbeam-utils", "crypto", "cuda", "data_validation", "database", "default", "embedded", "embedded-alloc", "ffi", "fixed-point", "float32", "float64", "gpu", "instrumentation", "int32", "int64", "jit", "leak_detection", "libc", "libm", "linalg", "log", "logging", "memmap2", "memory_call_stack", "memory_compression", "memory_efficient", "memory_efficient_all_types", "memory_management", "memory_metrics", "memory_visualization", "metal", "ml_pipeline", "mmap", "mpsgraph", "ndarray-rand", "ndarray-stats", "num-bigint", "num_cpus", "observability", "observability_http", "opencl", "opentelemetry", "opentelemetry-otlp", "opentelemetry_sdk", "oxiblas-blas", "oxiblas-lapack", "oxiblas-ndarray", "oxicode", "parallel", "perf-event", "production", "profiling", "profiling_advanced", "profiling_all", "profiling_chrome", "profiling_flame", "profiling_memory", "profiling_opentelemetry", "profiling_otlp", "profiling_perf", "profiling_prometheus", "prometheus", "python", "quickcheck", "random", "rayon", "regex", "reqwest", "rocm", "rug", "s3", "serde", "serde_json", "serialization", "sha2", "simd", "statrs", "std", "sysinfo", "testing", "tokio", "tracing", "tracing-appender", "tracing-chrome", "tracing-flame", "tracing-opentelemetry", "tracing-subscriber", "types", "ufuncs", "uint32", "uint64", "validation", "versioning", "wgpu_backend", "wide"))' -C metadata=a58bf9d6659c3a22 -C extra-filename=-1003717dfccc77dd --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern cached=/opt/rustwide/target/debug/deps/libcached-12f9934c5c82e835.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-5c37be69eb7ab6a9.rmeta --extern crc32fast=/opt/rustwide/target/debug/deps/libcrc32fast-6a12d0129be5e8d8.rmeta --extern crossbeam=/opt/rustwide/target/debug/deps/libcrossbeam-30bce21782d1aebd.rmeta --extern crossbeam_deque=/opt/rustwide/target/debug/deps/libcrossbeam_deque-1e596f85d25cbf0f.rmeta --extern crossbeam_utils=/opt/rustwide/target/debug/deps/libcrossbeam_utils-d120373eaebf0872.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-17d13ab249faa3f7.rmeta --extern ndarray_rand=/opt/rustwide/target/debug/deps/libndarray_rand-319c44b009025686.rmeta --extern num_complex=/opt/rustwide/target/debug/deps/libnum_complex-926dd2daa297ea42.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-d1e11c4c7bbb0368.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-551d7e3effd11bdb.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-8befe4c091d8505c.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-0ac012fec71d6948.rmeta --extern oxiarc_lz4=/opt/rustwide/target/debug/deps/liboxiarc_lz4-c69cc959d5e7aafe.rmeta --extern oxiarc_zstd=/opt/rustwide/target/debug/deps/liboxiarc_zstd-8a4ab0b1497c78da.rmeta --extern oxiblas_blas=/opt/rustwide/target/debug/deps/liboxiblas_blas-a1103a6e9ab3460d.rmeta --extern oxiblas_lapack=/opt/rustwide/target/debug/deps/liboxiblas_lapack-dd1924d3a333c53e.rmeta --extern oxiblas_ndarray=/opt/rustwide/target/debug/deps/liboxiblas_ndarray-9d90fffe7cb475e6.rmeta --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-2792ddc11a551b1b.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-8769d5d997e8564b.rmeta --extern rand_chacha=/opt/rustwide/target/debug/deps/librand_chacha-2c319206fba4bdfd.rmeta --extern rand_distr=/opt/rustwide/target/debug/deps/librand_distr-a8aa2a07f4669e95.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-b70ed3d550464998.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-b97b0b0b014989cd.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-30823288df38f030.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-37b1fb0df4b0acae.rmeta --extern uuid=/opt/rustwide/target/debug/deps/libuuid-f08792dd2586c284.rmeta --extern wide=/opt/rustwide/target/debug/deps/libwide-25ab1854f537a739.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" "9b9b628b5a1a01aa7fb1bb5175d3a8e46409797ceda46a8fb13bb390b1ccd5c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b9b628b5a1a01aa7fb1bb5175d3a8e46409797ceda46a8fb13bb390b1ccd5c9", kill_on_drop: false }`
[INFO] [stdout] 9b9b628b5a1a01aa7fb1bb5175d3a8e46409797ceda46a8fb13bb390b1ccd5c9
