[INFO] cloning repository https://github.com/laukevin/rust_matmul
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/laukevin/rust_matmul" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flaukevin%2Frust_matmul", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flaukevin%2Frust_matmul'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b4931309446d3534d20b546d41e1be581b0a4c37
[INFO] checking laukevin/rust_matmul against try#8ac0915e346f9a2e49ca3951b642c55bd7d1eaab for pr-158447
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flaukevin%2Frust_matmul" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/laukevin/rust_matmul
[INFO] finished tweaking git repo https://github.com/laukevin/rust_matmul
[INFO] tweaked toml for git repo https://github.com/laukevin/rust_matmul written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/laukevin/rust_matmul on toolchain 8ac0915e346f9a2e49ca3951b642c55bd7d1eaab
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8ac0915e346f9a2e49ca3951b642c55bd7d1eaab" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/laukevin/rust_matmul 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" "+8ac0915e346f9a2e49ca3951b642c55bd7d1eaab" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap v4.5.32
[INFO] [stderr]   Downloaded clap_builder v4.5.32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 685236f3587b45010e5a7b825bb034ba9fa3c2a7c3d9cd72120a9231d51cab52
[INFO] running `Command { std: "docker" "start" "685236f3587b45010e5a7b825bb034ba9fa3c2a7c3d9cd72120a9231d51cab52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "685236f3587b45010e5a7b825bb034ba9fa3c2a7c3d9cd72120a9231d51cab52" "/opt/rustwide/cargo-home/bin/cargo" "+8ac0915e346f9a2e49ca3951b642c55bd7d1eaab" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "685236f3587b45010e5a7b825bb034ba9fa3c2a7c3d9cd72120a9231d51cab52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "685236f3587b45010e5a7b825bb034ba9fa3c2a7c3d9cd72120a9231d51cab52" "/opt/rustwide/cargo-home/bin/cargo" "+8ac0915e346f9a2e49ca3951b642c55bd7d1eaab" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]     Checking clap_builder v4.5.32
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling quote v1.0.39
[INFO] [stderr]    Compiling syn v2.0.99
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling clap_derive v4.5.32
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking clap v4.5.32
[INFO] [stderr]     Checking rust_matmul v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::arch::aarch64`
[INFO] [stdout]  --> src/matmul/common.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::arch::aarch64::float32x4_t;
[INFO] [stdout]   |                ^^^^^^^ could not find `aarch64` in `arch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::arch::aarch64`
[INFO] [stdout]  --> src/matmul/common.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::arch::aarch64::{vget_high_f32, vget_lane_f32, vget_low_f32, vpadd_f32};
[INFO] [stdout]   |                ^^^^^^^ could not find `aarch64` in `arch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::arch::aarch64`
[INFO] [stdout]  --> src/matmul/simd.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::arch::aarch64::{vdupq_n_f32, vld1q_f32, vmlaq_f32, vst1q_f32};
[INFO] [stdout]   |                ^^^^^^^ could not find `aarch64` in `arch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::arch::aarch64`
[INFO] [stdout]  --> src/matmul/with_kernel.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::arch::aarch64::{vdupq_n_f32, vfmaq_f32, vld1q_f32, vst1q_f32};
[INFO] [stdout]   |                ^^^^^^^ could not find `aarch64` in `arch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Vec4f`
[INFO] [stdout]  --> src/matmul/simd.rs:2:70
[INFO] [stdout]   |
[INFO] [stdout] 2 |     aligned_vec4_array, deallocate_vec4_array, horizontal_add_f32x4, Vec4f,
[INFO] [stdout]   |                                                                      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::arch::aarch64`
[INFO] [stdout]  --> src/matmul/common.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::arch::aarch64::float32x4_t;
[INFO] [stdout]   |                ^^^^^^^ could not find `aarch64` in `arch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::arch::aarch64`
[INFO] [stdout]  --> src/matmul/common.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::arch::aarch64::{vget_high_f32, vget_lane_f32, vget_low_f32, vpadd_f32};
[INFO] [stdout]   |                ^^^^^^^ could not find `aarch64` in `arch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::arch::aarch64`
[INFO] [stdout]  --> src/matmul/simd.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::arch::aarch64::{vdupq_n_f32, vld1q_f32, vmlaq_f32, vst1q_f32};
[INFO] [stdout]   |                ^^^^^^^ could not find `aarch64` in `arch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::arch::aarch64`
[INFO] [stdout]  --> src/matmul/with_kernel.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::arch::aarch64::{vdupq_n_f32, vfmaq_f32, vld1q_f32, vst1q_f32};
[INFO] [stdout]   |                ^^^^^^^ could not find `aarch64` in `arch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Vec4f`
[INFO] [stdout]  --> src/matmul/simd.rs:2:70
[INFO] [stdout]   |
[INFO] [stdout] 2 |     aligned_vec4_array, deallocate_vec4_array, horizontal_add_f32x4, Vec4f,
[INFO] [stdout]   |                                                                      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |     let mut c_simd = c.clone();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c_simd`
[INFO] [stdout]   --> src/main.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |     let mut c_simd = c.clone();
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_c_simd`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_matmul` (bin "rust_matmul") due to 4 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |     let mut c_simd = c.clone();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c_simd`
[INFO] [stdout]   --> src/main.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |     let mut c_simd = c.clone();
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_c_simd`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_matmul` (bin "rust_matmul" test) due to 4 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "685236f3587b45010e5a7b825bb034ba9fa3c2a7c3d9cd72120a9231d51cab52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "685236f3587b45010e5a7b825bb034ba9fa3c2a7c3d9cd72120a9231d51cab52", kill_on_drop: false }`
[INFO] [stdout] 685236f3587b45010e5a7b825bb034ba9fa3c2a7c3d9cd72120a9231d51cab52
