[INFO] fetching crate kryst 2.4.0...
[INFO] testing kryst-2.4.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate kryst 2.4.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate kryst 2.4.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate kryst 2.4.0
[INFO] tweaked toml for crates.io crate kryst 2.4.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate kryst 2.4.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate kryst 2.4.0 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35c29daaf0d063b307eb4ed57152e1b2f1bc1cb3feebe892e1c4f0f5f02dad0d
[INFO] running `Command { std: "docker" "start" "-a" "35c29daaf0d063b307eb4ed57152e1b2f1bc1cb3feebe892e1c4f0f5f02dad0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35c29daaf0d063b307eb4ed57152e1b2f1bc1cb3feebe892e1c4f0f5f02dad0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35c29daaf0d063b307eb4ed57152e1b2f1bc1cb3feebe892e1c4f0f5f02dad0d", kill_on_drop: false }`
[INFO] [stdout] 35c29daaf0d063b307eb4ed57152e1b2f1bc1cb3feebe892e1c4f0f5f02dad0d
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86a9639c492d4047e92e16594403f3ae1e0f6c430e46b3dc24279c99b48b3e0a
[INFO] running `Command { std: "docker" "start" "-a" "86a9639c492d4047e92e16594403f3ae1e0f6c430e46b3dc24279c99b48b3e0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling bytemuck v1.23.1
[INFO] [stderr]    Compiling nano-gemm-codegen v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling pulp v0.21.5
[INFO] [stderr]    Compiling reborrow v0.5.5
[INFO] [stderr]    Compiling cc v1.2.27
[INFO] [stderr]    Compiling prettyplease v0.2.35
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling dyn-stack v0.13.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling libloading v0.8.8
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling shell-words v1.1.0
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling seq-macro v0.3.6
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling bindgen v0.69.5
[INFO] [stderr]    Compiling build-probe-mpi v0.1.4
[INFO] [stderr]    Compiling nano-gemm-core v0.1.0
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[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]    Compiling nano-gemm-f64 v0.1.0
[INFO] [stderr]    Compiling defer v0.2.1
[INFO] [stderr]    Compiling atomic-wait v1.1.0
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling mpi v0.8.0
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling libffi-sys v2.3.0
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling indexmap v2.11.0
[INFO] [stderr]    Compiling custom_derive v0.1.7
[INFO] [stderr]    Compiling toml_write v0.1.2
[INFO] [stderr]    Compiling generativity v1.1.0
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling conv v0.3.3
[INFO] [stderr]    Compiling num-bigint v0.4.6
[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-2025-09-21-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,link -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "nightly"))' -C metadata=ba2f0b9515c0292a -C extra-filename=-18088540474d2b7a --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-1215b675154a95fb.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 `nano-gemm-f64` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2025-09-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name nano_gemm_f64 --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nano-gemm-f64-0.1.0/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 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "nightly"))' -C metadata=84a97a1deb5fe640 -C extra-filename=-2be5201a7e927d3d --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-1215b675154a95fb.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "86a9639c492d4047e92e16594403f3ae1e0f6c430e46b3dc24279c99b48b3e0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86a9639c492d4047e92e16594403f3ae1e0f6c430e46b3dc24279c99b48b3e0a", kill_on_drop: false }`
[INFO] [stdout] 86a9639c492d4047e92e16594403f3ae1e0f6c430e46b3dc24279c99b48b3e0a