[INFO] cloning repository https://github.com/andreytkachenko/gemm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andreytkachenko/gemm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandreytkachenko%2Fgemm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandreytkachenko%2Fgemm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a699078f73aad1f8323a6ad4fdda8a8da3a6ed7b
[INFO] checking andreytkachenko/gemm against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandreytkachenko%2Fgemm" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andreytkachenko/gemm on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/.cargo/config
[INFO] started tweaking git repo https://github.com/andreytkachenko/gemm
[INFO] finished tweaking git repo https://github.com/andreytkachenko/gemm
[INFO] tweaked toml for git repo https://github.com/andreytkachenko/gemm written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/andreytkachenko/gemm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ab4850819902578e4af1535073aff4ce463d7a14a253c4d478cc788161d74ab6
[INFO] running `Command { std: "docker" "start" "-a" "ab4850819902578e4af1535073aff4ce463d7a14a253c4d478cc788161d74ab6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab4850819902578e4af1535073aff4ce463d7a14a253c4d478cc788161d74ab6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab4850819902578e4af1535073aff4ce463d7a14a253c4d478cc788161d74ab6", kill_on_drop: false }`
[INFO] [stdout] ab4850819902578e4af1535073aff4ce463d7a14a253c4d478cc788161d74ab6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44ab9e0373a90fa8ae191696bee05d9aa12785c2cd6526029b4eb5dda34e2dad
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "44ab9e0373a90fa8ae191696bee05d9aa12785c2cd6526029b4eb5dda34e2dad", kill_on_drop: false }`
[INFO] [stderr]    Compiling rayon-core v1.6.1
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling gemm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking openblas v0.0.1
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]     Checking blas-sys v0.7.1
[INFO] [stderr]     Checking crossbeam-queue v0.2.0
[INFO] [stderr]     Checking rayon v1.2.1
[INFO] [stderr]     Checking blas v0.20.0
[INFO] [stdout] error[E0432]: unresolved import `crate::kernel::avx`
[INFO] [stdout]  --> src/sgemm.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::kernel::avx::AvxKernel;
[INFO] [stdout]   |                    ^^^ could not find `avx` in `kernel`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::kernel::avx`
[INFO] [stdout]  --> src/sgemm.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::kernel::avx::AvxKernel;
[INFO] [stdout]   |                    ^^^ could not find `avx` in `kernel`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/test/l3s.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gemm`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "44ab9e0373a90fa8ae191696bee05d9aa12785c2cd6526029b4eb5dda34e2dad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44ab9e0373a90fa8ae191696bee05d9aa12785c2cd6526029b4eb5dda34e2dad", kill_on_drop: false }`
[INFO] [stdout] 44ab9e0373a90fa8ae191696bee05d9aa12785c2cd6526029b4eb5dda34e2dad