[INFO] fetching crate ferrolearn-datasets 0.2.0...
[INFO] documenting ferrolearn-datasets-0.2.0 against beta-2026-04-21 for beta-1.96-rustdoc-1
[INFO] extracting crate ferrolearn-datasets 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate ferrolearn-datasets 0.2.0
[INFO] finished tweaking crates.io crate ferrolearn-datasets 0.2.0
[INFO] tweaked toml for crates.io crate ferrolearn-datasets 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ferrolearn-datasets 0.2.0 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 ferrolearn-datasets 0.2.0 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 1736a4af77978ecad944456f4a9240883d77ab7864a94cc15e9b6f5380a3b57b
[INFO] running `Command { std: "docker" "start" "-a" "1736a4af77978ecad944456f4a9240883d77ab7864a94cc15e9b6f5380a3b57b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1736a4af77978ecad944456f4a9240883d77ab7864a94cc15e9b6f5380a3b57b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1736a4af77978ecad944456f4a9240883d77ab7864a94cc15e9b6f5380a3b57b", kill_on_drop: false }`
[INFO] [stdout] 1736a4af77978ecad944456f4a9240883d77ab7864a94cc15e9b6f5380a3b57b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c25a0751091f3dd3d151df77d42615d1569fabf556d89929a413788a1f119a0
[INFO] running `Command { std: "docker" "start" "-a" "1c25a0751091f3dd3d151df77d42615d1569fabf556d89929a413788a1f119a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling zerocopy v0.8.40
[INFO] [stderr]     Checking num-traits v0.2.19
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]     Checking nano-gemm-f64 v0.2.1
[INFO] [stderr]     Checking rand_xoshiro v0.7.0
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking pulp v0.22.2
[INFO] [stderr]     Checking nano-gemm-c64 v0.2.1
[INFO] [stderr]     Checking nano-gemm-c32 v0.2.1
[INFO] [stderr]     Checking ndarray v0.17.2
[INFO] [stderr]    Compiling pest_generator v2.8.6
[INFO] [stderr]    Compiling interpol v0.2.1
[INFO] [stderr]    Compiling equator-macro v0.4.2
[INFO] [stderr]    Compiling equator-macro v0.2.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling private-gemm-x86 v0.1.20
[INFO] [stderr]    Compiling pest_derive v2.8.6
[INFO] [stderr]     Checking py_literal v0.4.0
[INFO] [stderr]     Checking equator v0.2.2
[INFO] [stderr]     Checking equator v0.4.2
[INFO] [stderr]     Checking npyz v0.8.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking spindle v0.2.6
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking gemm-common v0.19.0
[INFO] [stderr]     Checking qd v0.8.0
[INFO] [stderr]     Checking rand_distr v0.5.1
[INFO] [stderr]     Checking faer-traits v0.24.0
[INFO] [stderr]     Checking gemm-c32 v0.19.0
[INFO] [stderr]     Checking gemm-f32 v0.19.0
[INFO] [stderr]     Checking gemm-c64 v0.19.0
[INFO] [stderr]     Checking gemm-f64 v0.19.0
[INFO] [stderr]     Checking gemm v0.19.0
[INFO] [stderr]     Checking nano-gemm v0.2.2
[INFO] [stderr]     Checking faer v0.24.0
[INFO] [stderr]     Checking ferrolearn-core v0.2.0
[INFO] [stderr]  Documenting ferrolearn-datasets v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/ferrolearn_datasets/index.html
[INFO] running `Command { std: "docker" "inspect" "1c25a0751091f3dd3d151df77d42615d1569fabf556d89929a413788a1f119a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c25a0751091f3dd3d151df77d42615d1569fabf556d89929a413788a1f119a0", kill_on_drop: false }`
[INFO] [stdout] 1c25a0751091f3dd3d151df77d42615d1569fabf556d89929a413788a1f119a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 412556d0701e63df3abe0d722a12c024e93187c1b2ee24f475e60759c64d8ba2
[INFO] running `Command { std: "docker" "start" "-a" "412556d0701e63df3abe0d722a12c024e93187c1b2ee24f475e60759c64d8ba2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling pest_generator v2.8.6
[INFO] [stderr]    Compiling equator-macro v0.4.2
[INFO] [stderr]    Compiling equator-macro v0.2.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling interpol v0.2.1
[INFO] [stderr]    Compiling pest_derive v2.8.6
[INFO] [stderr]    Compiling private-gemm-x86 v0.1.20
[INFO] [stderr]     Checking py_literal v0.4.0
[INFO] [stderr]     Checking equator v0.4.2
[INFO] [stderr]     Checking equator v0.2.2
[INFO] [stderr]     Checking spindle v0.2.6
[INFO] [stderr]     Checking nano-gemm v0.2.2
[INFO] [stderr]     Checking npyz v0.8.4
[INFO] [stderr]     Checking faer v0.24.0
[INFO] [stderr]     Checking ferrolearn-core v0.2.0
[INFO] [stderr]  Documenting ferrolearn-datasets v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 45.83s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/ferrolearn_datasets/index.html
[INFO] running `Command { std: "docker" "inspect" "412556d0701e63df3abe0d722a12c024e93187c1b2ee24f475e60759c64d8ba2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "412556d0701e63df3abe0d722a12c024e93187c1b2ee24f475e60759c64d8ba2", kill_on_drop: false }`
[INFO] [stdout] 412556d0701e63df3abe0d722a12c024e93187c1b2ee24f475e60759c64d8ba2