[INFO] updating cached repository https://github.com/onozeam/ML-from-scratch-with-Rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7581f5f16ab30a447c4141ceb9dca6f431d7976d
[INFO] checking onozeam/ML-from-scratch-with-Rust against try#00e4530a79c42b21a6ca2ac1edb597c90d21f89f for pr-64672
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fonozeam%2FML-from-scratch-with-Rust" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/onozeam/ML-from-scratch-with-Rust on toolchain 00e4530a79c42b21a6ca2ac1edb597c90d21f89f
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/onozeam/ML-from-scratch-with-Rust
[INFO] finished tweaking git repo https://github.com/onozeam/ML-from-scratch-with-Rust
[INFO] tweaked toml for git repo https://github.com/onozeam/ML-from-scratch-with-Rust written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/onozeam/ML-from-scratch-with-Rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] fbc64e5cfa0b93c23ac14d309399a14cb798d76c69de5ee827f0cd9a95d77f1c
[INFO] running `"docker" "start" "-a" "fbc64e5cfa0b93c23ac14d309399a14cb798d76c69de5ee827f0cd9a95d77f1c"`
[INFO] [stderr]    Compiling openblas-src v0.6.1
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking cblas-sys v0.1.4
[INFO] [stderr]     Checking lapacke-sys v0.1.4
[INFO] [stderr]    Compiling derive-new v0.5.6
[INFO] [stderr]     Checking libmath v0.1.4
[INFO] [stderr]     Checking blas-src v0.2.1
[INFO] [stderr]     Checking lapacke v0.2.0
[INFO] [stderr]    Compiling procedurals v0.3.1
[INFO] [stderr]     Checking ndarray-linalg v0.10.0
[INFO] [stderr]     Checking ndarray-rand v0.9.0
[INFO] [stderr]     Checking ml_from_scratch_with_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Array`
[INFO] [stderr]  --> src/main.rs:6:15
[INFO] [stderr]   |
[INFO] [stderr] 6 | use ndarray::{Array, Array1, Array2, arr1, arr2};
[INFO] [stderr]   |               ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ndarray_rand::RandomExt`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use ndarray_rand::RandomExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::distributions::Uniform`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use rand::distributions::Uniform;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Array`
[INFO] [stderr]  --> src/main.rs:6:15
[INFO] [stderr]   |
[INFO] [stderr] 6 | use ndarray::{Array, Array1, Array2, arr1, arr2};
[INFO] [stderr]   |               ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ndarray_rand::RandomExt`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use ndarray_rand::RandomExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::distributions::Uniform`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use rand::distributions::Uniform;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.20s
[INFO] running `"docker" "inspect" "fbc64e5cfa0b93c23ac14d309399a14cb798d76c69de5ee827f0cd9a95d77f1c"`
[INFO] running `"docker" "rm" "-f" "fbc64e5cfa0b93c23ac14d309399a14cb798d76c69de5ee827f0cd9a95d77f1c"`
[INFO] [stdout] fbc64e5cfa0b93c23ac14d309399a14cb798d76c69de5ee827f0cd9a95d77f1c