[INFO] fetching crate so-core 0.3.0...
[INFO] documenting so-core-0.3.0 against beta-2026-04-21 for beta-1.96-rustdoc-1
[INFO] extracting crate so-core 0.3.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate so-core 0.3.0
[INFO] finished tweaking crates.io crate so-core 0.3.0
[INFO] tweaked toml for crates.io crate so-core 0.3.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate so-core 0.3.0 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 so-core 0.3.0 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e45627f066670bd6e1b23e49252fa48d28f3e15d3fa21ab6edaeaddcf8aa30a9
[INFO] running `Command { std: "docker" "start" "-a" "e45627f066670bd6e1b23e49252fa48d28f3e15d3fa21ab6edaeaddcf8aa30a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e45627f066670bd6e1b23e49252fa48d28f3e15d3fa21ab6edaeaddcf8aa30a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e45627f066670bd6e1b23e49252fa48d28f3e15d3fa21ab6edaeaddcf8aa30a9", kill_on_drop: false }`
[INFO] [stdout] e45627f066670bd6e1b23e49252fa48d28f3e15d3fa21ab6edaeaddcf8aa30a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 509686e812c02776a6f4da0414d17de30bd431b9b2077a796c2ba468ad501f0b
[INFO] running `Command { std: "docker" "start" "-a" "509686e812c02776a6f4da0414d17de30bd431b9b2077a796c2ba468ad501f0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.105
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]     Checking bytemuck v1.24.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling nano-gemm-codegen v0.1.0
[INFO] [stderr]    Compiling libc v0.2.179
[INFO] [stderr]     Checking reborrow v0.5.5
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling pulp v0.21.5
[INFO] [stderr]    Compiling dyn-stack-macros v0.1.3
[INFO] [stderr]     Checking raw-cpuid v11.6.0
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling zerocopy v0.8.32
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]     Checking nano-gemm-core v0.1.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]     Checking crossbeam-queue v0.3.12
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling defer v0.2.1
[INFO] [stderr]    Compiling zmij v1.0.12
[INFO] [stderr]     Checking dyn-stack v0.13.2
[INFO] [stderr]     Checking generativity v1.1.0
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]     Checking pest v2.8.5
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]    Compiling quote v1.0.43
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]     Checking indexmap v2.12.1
[INFO] [stderr]    Compiling syn v2.0.113
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling nano-gemm-f64 v0.1.0
[INFO] [stderr]    Compiling nano-gemm-c64 v0.1.0
[INFO] [stderr]    Compiling nano-gemm-c32 v0.1.0
[INFO] [stderr]    Compiling nano-gemm-f32 v0.1.0
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]     Checking atomic-wait v1.1.0
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]    Compiling pest_meta v2.8.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr] error: could not compile `nano-gemm-f32` (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 nano_gemm_f32 --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nano-gemm-f32-0.1.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "nightly"))' -C metadata=8e4fcda29d84a833 -C extra-filename=-8a3ab9d8d3356537 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern nano_gemm_core=/opt/rustwide/target/debug/deps/libnano_gemm_core-adfe468787e6ac3d.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" "509686e812c02776a6f4da0414d17de30bd431b9b2077a796c2ba468ad501f0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "509686e812c02776a6f4da0414d17de30bd431b9b2077a796c2ba468ad501f0b", kill_on_drop: false }`
[INFO] [stdout] 509686e812c02776a6f4da0414d17de30bd431b9b2077a796c2ba468ad501f0b