[INFO] fetching crate slsl 0.0.7...
[INFO] testing slsl-0.0.7 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate slsl 0.0.7 into /workspace/builds/worker-6-tc2/source
[INFO] removed /workspace/builds/worker-6-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate slsl 0.0.7
[INFO] finished tweaking crates.io crate slsl 0.0.7
[INFO] tweaked toml for crates.io crate slsl 0.0.7 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate slsl 0.0.7 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 slsl 0.0.7 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 933c4eb59d8d6cdd139129053858e5c7f8f97d83f708c00061817f7039705637
[INFO] running `Command { std: "docker" "start" "-a" "933c4eb59d8d6cdd139129053858e5c7f8f97d83f708c00061817f7039705637", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "933c4eb59d8d6cdd139129053858e5c7f8f97d83f708c00061817f7039705637", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "933c4eb59d8d6cdd139129053858e5c7f8f97d83f708c00061817f7039705637", kill_on_drop: false }`
[INFO] [stdout] 933c4eb59d8d6cdd139129053858e5c7f8f97d83f708c00061817f7039705637
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 6fef74a32c3c4660acf4801e3dd113fe10ee915b82e9916c103567287d233f41
[INFO] running `Command { std: "docker" "start" "-a" "6fef74a32c3c4660acf4801e3dd113fe10ee915b82e9916c103567287d233f41", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling pulp v0.21.5
[INFO] [stderr]    Compiling reborrow v0.5.5
[INFO] [stderr]    Compiling dyn-stack-macros v0.1.0
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling seq-macro v0.3.6
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling cc v1.2.41
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling simsimd v6.5.3
[INFO] [stderr]    Compiling bytemuck_derive v1.10.2
[INFO] [stderr]    Compiling zerocopy-derive v0.8.27
[INFO] [stderr]    Compiling bytemuck v1.24.0
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling dyn-stack v0.13.2
[INFO] [stderr]    Compiling safe_arch v0.7.4
[INFO] [stderr]    Compiling wide v0.7.33
[INFO] [stderr]    Compiling half v2.7.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling gemm-common v0.18.2
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling gemm-f32 v0.18.2
[INFO] [stderr]    Compiling gemm-c32 v0.18.2
[INFO] [stderr]    Compiling gemm-c64 v0.18.2
[INFO] [stderr]    Compiling gemm-f64 v0.18.2
[INFO] [stderr]    Compiling rand_distr v0.5.1
[INFO] [stderr]    Compiling gemm-f16 v0.18.2
[INFO] [stderr]    Compiling gemm v0.18.2
[INFO] [stderr]    Compiling slsl v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "6fef74a32c3c4660acf4801e3dd113fe10ee915b82e9916c103567287d233f41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fef74a32c3c4660acf4801e3dd113fe10ee915b82e9916c103567287d233f41", kill_on_drop: false }`
[INFO] [stdout] 6fef74a32c3c4660acf4801e3dd113fe10ee915b82e9916c103567287d233f41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8412cc76f58e2e4112aa579eac41de973e56127a5d9bfdf4cde2fcf972aee77c
[INFO] running `Command { std: "docker" "start" "-a" "8412cc76f58e2e4112aa579eac41de973e56127a5d9bfdf4cde2fcf972aee77c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling raw-cpuid v10.7.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling toml_datetime v0.7.3
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling zip v1.1.4
[INFO] [stderr]    Compiling memmap2 v0.9.8
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling regex-syntax v0.8.7
[INFO] [stderr]    Compiling clap_builder v4.5.48
[INFO] [stderr]    Compiling criterion-plot v0.6.0
[INFO] [stderr]    Compiling base64ct v1.7.3
[INFO] [stderr]    Compiling regex-automata v0.4.12
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling toml_parser v1.0.4
[INFO] [stderr]    Compiling toml_edit v0.23.7
[INFO] [stderr]    Compiling clap v4.5.48
[INFO] [stderr]    Compiling regex v1.10.6
[INFO] [stderr]    Compiling proc-macro-crate v3.4.0
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling bytemuck_derive v1.10.2
[INFO] [stderr]    Compiling zerocopy-derive v0.8.27
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling num_enum_derive v0.7.4
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.7.5
[INFO] [stderr]    Compiling num_enum v0.7.4
[INFO] [stderr]    Compiling bytemuck v1.24.0
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling dyn-stack v0.13.2
[INFO] [stderr]    Compiling dyn-stack v0.10.0
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling safe_arch v0.7.4
[INFO] [stderr]    Compiling pulp v0.21.5
[INFO] [stderr]    Compiling pulp v0.18.22
[INFO] [stderr]    Compiling yoke v0.7.5
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling wide v0.7.33
[INFO] [stderr]    Compiling ndarray v0.16.1
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling safetensors v0.4.5
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling rand_distr v0.5.1
[INFO] [stderr]    Compiling half v2.7.0
[INFO] [stderr]    Compiling gemm-common v0.18.2
[INFO] [stderr]    Compiling gemm-common v0.17.1
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling gemm-f32 v0.17.1
[INFO] [stderr]    Compiling gemm-f64 v0.17.1
[INFO] [stderr]    Compiling gemm-c64 v0.17.1
[INFO] [stderr]    Compiling gemm-c32 v0.17.1
[INFO] [stderr]    Compiling gemm-f32 v0.18.2
[INFO] [stderr]    Compiling gemm-f64 v0.18.2
[INFO] [stderr]    Compiling gemm-c32 v0.18.2
[INFO] [stderr]    Compiling gemm-c64 v0.18.2
[INFO] [stderr]    Compiling gemm-f16 v0.18.2
[INFO] [stderr]    Compiling gemm v0.18.2
[INFO] [stderr]    Compiling gemm-f16 v0.17.1
[INFO] [stderr]    Compiling gemm v0.17.1
[INFO] [stderr]    Compiling ug v0.4.0
[INFO] [stderr]    Compiling criterion v0.7.0
[INFO] [stderr]    Compiling slsl v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling candle-core v0.9.1
[INFO] [stderr]    Compiling candle-nn v0.9.1
[INFO] [stdout] warning: unused import: `s`
[INFO] [stdout]    --> src/slice/mod.rs:508:17
[INFO] [stdout]     |
[INFO] [stdout] 508 |     use crate::{s, Tensor};
[INFO] [stdout]     |                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `slsl` (lib test); 1 warning emitted
[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 slsl --edition=2021 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="default"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("accelerate", "default", "mkl", "openblas", "rayon"))' -C metadata=259211f3bc344a42 -C extra-filename=-0f7b8534d2bcd35e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-bf2ca2eac6d23ebd.rlib --extern base64ct=/opt/rustwide/target/debug/deps/libbase64ct-be7580d0d127eae7.rlib --extern candle_core=/opt/rustwide/target/debug/deps/libcandle_core-ad5fd5999049f9d0.rlib --extern candle_nn=/opt/rustwide/target/debug/deps/libcandle_nn-fcdbb85bdac2155c.rlib --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-03c80bbec07246c0.rlib --extern gemm=/opt/rustwide/target/debug/deps/libgemm-50c25218e6b04f02.rlib --extern half=/opt/rustwide/target/debug/deps/libhalf-0497a3347f8d8a06.rlib --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-07d1fb1d026b28aa.rlib --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-7d363071c4a72204.rlib --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-40b15d24c1340fe3.rlib --extern paste=/opt/rustwide/target/debug/deps/libpaste-e99c5ab9be878770.so --extern rand=/opt/rustwide/target/debug/deps/librand-cdc15b85041817cb.rlib --extern rand_distr=/opt/rustwide/target/debug/deps/librand_distr-daedc70a0148fe8a.rlib --extern simsimd=/opt/rustwide/target/debug/deps/libsimsimd-b83123c0b7bf1a66.rlib --extern wide=/opt/rustwide/target/debug/deps/libwide-fc0c9b0fc3920a2a.rlib --cap-lints=warn -L native=/opt/rustwide/target/debug/build/simsimd-06cb579bd20b3745/out` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "8412cc76f58e2e4112aa579eac41de973e56127a5d9bfdf4cde2fcf972aee77c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8412cc76f58e2e4112aa579eac41de973e56127a5d9bfdf4cde2fcf972aee77c", kill_on_drop: false }`
[INFO] [stdout] 8412cc76f58e2e4112aa579eac41de973e56127a5d9bfdf4cde2fcf972aee77c
