[INFO] updating cached repository paulkernfeld/logistic-regression-in-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/paulkernfeld/logistic-regression-in-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/paulkernfeld/logistic-regression-in-rust" "work/ex/clippy-test-run/sources/stable/gh/paulkernfeld/logistic-regression-in-rust"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/paulkernfeld/logistic-regression-in-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/paulkernfeld/logistic-regression-in-rust" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/paulkernfeld/logistic-regression-in-rust"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/paulkernfeld/logistic-regression-in-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] aaa67303c16e2e27d9c68dee784cff231d206b2a
[INFO] sha for GitHub repo paulkernfeld/logistic-regression-in-rust: aaa67303c16e2e27d9c68dee784cff231d206b2a
[INFO] validating manifest of paulkernfeld/logistic-regression-in-rust on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of paulkernfeld/logistic-regression-in-rust on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing paulkernfeld/logistic-regression-in-rust
[INFO] finished frobbing paulkernfeld/logistic-regression-in-rust
[INFO] frobbed toml for paulkernfeld/logistic-regression-in-rust written to work/ex/clippy-test-run/sources/stable/gh/paulkernfeld/logistic-regression-in-rust/Cargo.toml
[INFO] started frobbing paulkernfeld/logistic-regression-in-rust
[INFO] finished frobbing paulkernfeld/logistic-regression-in-rust
[INFO] frobbed toml for paulkernfeld/logistic-regression-in-rust written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/paulkernfeld/logistic-regression-in-rust/Cargo.toml
[INFO] crate paulkernfeld/logistic-regression-in-rust has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting paulkernfeld/logistic-regression-in-rust against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/paulkernfeld/logistic-regression-in-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 250bd4d4bb4283d7322b84cb80039480f520761a009971c5714fb0c0ae760aa7
[INFO] running `"docker" "start" "-a" "250bd4d4bb4283d7322b84cb80039480f520761a009971c5714fb0c0ae760aa7"`
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]     Checking ndarray v0.11.2
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking spectral v0.6.0
[INFO] [stderr]     Checking ndarray-rand v0.7.0
[INFO] [stderr]     Checking logistic-regression v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/lib.rs:17:19
[INFO] [stderr]    |
[INFO] [stderr] 17 | const FTOL: f64 = 2.220446049250313e-09;
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^ help: consider: `2.220_446_049_250_313e-09`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/lib.rs:17:19
[INFO] [stderr]    |
[INFO] [stderr] 17 | const FTOL: f64 = 2.220446049250313e-09;
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^ help: consider: `2.220_446_049_250_313e-09`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: float has excessive precision
[INFO] [stderr]   --> src/lib.rs:17:19
[INFO] [stderr]    |
[INFO] [stderr] 17 | const FTOL: f64 = 2.220446049250313e-09;
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^ help: consider changing the type or truncating it to: `2.220_446_049_250_313e-9`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::excessive_precision)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#excessive_precision
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/lib.rs:22:15
[INFO] [stderr]    |
[INFO] [stderr] 22 | fn sigmoid(a: &f64) -> f64 {
[INFO] [stderr]    |               ^^^^ help: consider passing by value instead: `f64`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: float has excessive precision
[INFO] [stderr]   --> src/lib.rs:17:19
[INFO] [stderr]    |
[INFO] [stderr] 17 | const FTOL: f64 = 2.220446049250313e-09;
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^ help: consider changing the type or truncating it to: `2.220_446_049_250_313e-9`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::excessive_precision)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#excessive_precision
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/lib.rs:22:15
[INFO] [stderr]    |
[INFO] [stderr] 22 | fn sigmoid(a: &f64) -> f64 {
[INFO] [stderr]    |               ^^^^ help: consider passing by value instead: `f64`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.78s
[INFO] running `"docker" "inspect" "250bd4d4bb4283d7322b84cb80039480f520761a009971c5714fb0c0ae760aa7"`
[INFO] running `"docker" "rm" "-f" "250bd4d4bb4283d7322b84cb80039480f520761a009971c5714fb0c0ae760aa7"`
[INFO] [stdout] 250bd4d4bb4283d7322b84cb80039480f520761a009971c5714fb0c0ae760aa7