[INFO] updating cached repository alankstewart/satin-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/alankstewart/satin-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/alankstewart/satin-rust" "work/ex/clippy-test-run/sources/stable/gh/alankstewart/satin-rust"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/alankstewart/satin-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/alankstewart/satin-rust" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/alankstewart/satin-rust"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/alankstewart/satin-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e43f8368ce813ee7a5a9fc9696422a9f2f937a64
[INFO] sha for GitHub repo alankstewart/satin-rust: e43f8368ce813ee7a5a9fc9696422a9f2f937a64
[INFO] validating manifest of alankstewart/satin-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 alankstewart/satin-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 alankstewart/satin-rust
[INFO] finished frobbing alankstewart/satin-rust
[INFO] frobbed toml for alankstewart/satin-rust written to work/ex/clippy-test-run/sources/stable/gh/alankstewart/satin-rust/Cargo.toml
[INFO] started frobbing alankstewart/satin-rust
[INFO] finished frobbing alankstewart/satin-rust
[INFO] frobbed toml for alankstewart/satin-rust written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/alankstewart/satin-rust/Cargo.toml
[INFO] crate alankstewart/satin-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 alankstewart/satin-rust against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/alankstewart/satin-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] 52d86348865917b2dfdc80aaf7c25aff9b21c54097d5b0a5fd314ddcbd53316d
[INFO] running `"docker" "start" "-a" "52d86348865917b2dfdc80aaf7c25aff9b21c54097d5b0a5fd314ddcbd53316d"`
[INFO] [stderr]     Checking satin-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/main.rs:72:26
[INFO] [stderr]    |
[INFO] [stderr] 72 | fn process(input_powers: &Vec<u32>, laser: &Laser) {
[INFO] [stderr]    |                          ^^^^^^^^^ help: change this to: `&[u32]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:94:47
[INFO] [stderr]    |
[INFO] [stderr] 94 |             let ln = (gaussian.output_power / gaussian.input_power as f64).ln();
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(gaussian.input_power)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:95:47
[INFO] [stderr]    |
[INFO] [stderr] 95 |             let pop = gaussian.output_power - gaussian.input_power as f64;
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(gaussian.input_power)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:112:35
[INFO] [stderr]     |
[INFO] [stderr] 112 |     let mut expr1: [f64; INCR] = [0 as f64; INCR];
[INFO] [stderr]     |                                   ^^^^^^^^ help: try: `f64::from(0)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `expr1`
[INFO] [stderr]    --> src/main.rs:114:14
[INFO] [stderr]     |
[INFO] [stderr] 114 |     for i in 0..INCR {
[INFO] [stderr]     |              ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 114 |     for (i, <item>) in expr1.iter_mut().enumerate().take(INCR) {
[INFO] [stderr]     |         ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:115:33
[INFO] [stderr]     |
[INFO] [stderr] 115 |         let z_inc = (i as f64 - (INCR as i32 / 2) as f64) / 25 as f64;
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(INCR as i32 / 2)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:115:61
[INFO] [stderr]     |
[INFO] [stderr] 115 |         let z_inc = (i as f64 - (INCR as i32 / 2) as f64) / 25 as f64;
[INFO] [stderr]     |                                                             ^^^^^^^^^ help: try: `f64::from(25)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:116:27
[INFO] [stderr]     |
[INFO] [stderr] 116 |         let num = z_inc * 2 as f64 * DZ as f64;
[INFO] [stderr]     |                           ^^^^^^^^ help: try: `f64::from(2)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:121:27
[INFO] [stderr]     |
[INFO] [stderr] 121 |     let input_intensity = ((2 * input_power) as f64) / AREA;
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(2 * input_power)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:122:17
[INFO] [stderr]     |
[INFO] [stderr] 122 |     let expr2 = small_signal_gain as f64 / 32000 as f64 * DZ;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(small_signal_gain)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:122:44
[INFO] [stderr]     |
[INFO] [stderr] 122 |     let expr2 = small_signal_gain as f64 / 32000 as f64 * DZ;
[INFO] [stderr]     |                                            ^^^^^^^^^^^^ help: try: `f64::from(32000)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:127:21
[INFO] [stderr]     |
[INFO] [stderr] 127 |         let expr3 = saturation_intensity as f64 * expr2;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(saturation_intensity)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:132:36
[INFO] [stderr]     |
[INFO] [stderr] 132 |                 input_intensity * (-2 as f64 * r.powi(2) as f64 / RAD2).exp();
[INFO] [stderr]     |                                    ^^^^^^^^^ help: try: `f64::from(-2)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:132:48
[INFO] [stderr]     |
[INFO] [stderr] 132 |                 input_intensity * (-2 as f64 * r.powi(2) as f64 / RAD2).exp();
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^ help: try: `f64::from(r.powi(2))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `j` is only used to index `expr1`.
[INFO] [stderr]    --> src/main.rs:133:22
[INFO] [stderr]     |
[INFO] [stderr] 133 |             for j in 0..INCR {
[INFO] [stderr]     |                      ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 133 |             for <item> in expr1.iter().take(INCR) {
[INFO] [stderr]     |                 ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:135:21
[INFO] [stderr]     |
[INFO] [stderr] 135 |                     1 as f64 + expr3 / (saturation_intensity as f64 + output_intensity) - expr1[j];
[INFO] [stderr]     |                     ^^^^^^^^ help: try: `f64::from(1)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:135:41
[INFO] [stderr]     |
[INFO] [stderr] 135 |                     1 as f64 + expr3 / (saturation_intensity as f64 + output_intensity) - expr1[j];
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(saturation_intensity)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:137:55
[INFO] [stderr]     |
[INFO] [stderr] 137 |             output_power += output_intensity * EXPR * r as f64;
[INFO] [stderr]     |                                                       ^^^^^^^^ help: try: `f64::from(r)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]    --> src/main.rs:151:38
[INFO] [stderr]     |
[INFO] [stderr] 151 |     let mut file = File::open(&path).expect(&format!("Can't open file {}", name));
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("Can't open file {}", name))`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::expect_fun_call)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]    --> src/main.rs:154:10
[INFO] [stderr]     |
[INFO] [stderr] 154 |         .expect(&format!("Cannot parse {} into a string", name));
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("Cannot parse {} into a string", name))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/main.rs:168:14
[INFO] [stderr]     |
[INFO] [stderr] 168 |         .map(|s| Laser::from(s))
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `Laser::from`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/main.rs:72:26
[INFO] [stderr]    |
[INFO] [stderr] 72 | fn process(input_powers: &Vec<u32>, laser: &Laser) {
[INFO] [stderr]    |                          ^^^^^^^^^ help: change this to: `&[u32]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:94:47
[INFO] [stderr]    |
[INFO] [stderr] 94 |             let ln = (gaussian.output_power / gaussian.input_power as f64).ln();
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(gaussian.input_power)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:95:47
[INFO] [stderr]    |
[INFO] [stderr] 95 |             let pop = gaussian.output_power - gaussian.input_power as f64;
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(gaussian.input_power)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:112:35
[INFO] [stderr]     |
[INFO] [stderr] 112 |     let mut expr1: [f64; INCR] = [0 as f64; INCR];
[INFO] [stderr]     |                                   ^^^^^^^^ help: try: `f64::from(0)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `expr1`
[INFO] [stderr]    --> src/main.rs:114:14
[INFO] [stderr]     |
[INFO] [stderr] 114 |     for i in 0..INCR {
[INFO] [stderr]     |              ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 114 |     for (i, <item>) in expr1.iter_mut().enumerate().take(INCR) {
[INFO] [stderr]     |         ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:115:33
[INFO] [stderr]     |
[INFO] [stderr] 115 |         let z_inc = (i as f64 - (INCR as i32 / 2) as f64) / 25 as f64;
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(INCR as i32 / 2)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:115:61
[INFO] [stderr]     |
[INFO] [stderr] 115 |         let z_inc = (i as f64 - (INCR as i32 / 2) as f64) / 25 as f64;
[INFO] [stderr]     |                                                             ^^^^^^^^^ help: try: `f64::from(25)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:116:27
[INFO] [stderr]     |
[INFO] [stderr] 116 |         let num = z_inc * 2 as f64 * DZ as f64;
[INFO] [stderr]     |                           ^^^^^^^^ help: try: `f64::from(2)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:121:27
[INFO] [stderr]     |
[INFO] [stderr] 121 |     let input_intensity = ((2 * input_power) as f64) / AREA;
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(2 * input_power)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:122:17
[INFO] [stderr]     |
[INFO] [stderr] 122 |     let expr2 = small_signal_gain as f64 / 32000 as f64 * DZ;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(small_signal_gain)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:122:44
[INFO] [stderr]     |
[INFO] [stderr] 122 |     let expr2 = small_signal_gain as f64 / 32000 as f64 * DZ;
[INFO] [stderr]     |                                            ^^^^^^^^^^^^ help: try: `f64::from(32000)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:127:21
[INFO] [stderr]     |
[INFO] [stderr] 127 |         let expr3 = saturation_intensity as f64 * expr2;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(saturation_intensity)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:132:36
[INFO] [stderr]     |
[INFO] [stderr] 132 |                 input_intensity * (-2 as f64 * r.powi(2) as f64 / RAD2).exp();
[INFO] [stderr]     |                                    ^^^^^^^^^ help: try: `f64::from(-2)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:132:48
[INFO] [stderr]     |
[INFO] [stderr] 132 |                 input_intensity * (-2 as f64 * r.powi(2) as f64 / RAD2).exp();
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^ help: try: `f64::from(r.powi(2))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `j` is only used to index `expr1`.
[INFO] [stderr]    --> src/main.rs:133:22
[INFO] [stderr]     |
[INFO] [stderr] 133 |             for j in 0..INCR {
[INFO] [stderr]     |                      ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 133 |             for <item> in expr1.iter().take(INCR) {
[INFO] [stderr]     |                 ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:135:21
[INFO] [stderr]     |
[INFO] [stderr] 135 |                     1 as f64 + expr3 / (saturation_intensity as f64 + output_intensity) - expr1[j];
[INFO] [stderr]     |                     ^^^^^^^^ help: try: `f64::from(1)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:135:41
[INFO] [stderr]     |
[INFO] [stderr] 135 |                     1 as f64 + expr3 / (saturation_intensity as f64 + output_intensity) - expr1[j];
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(saturation_intensity)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:137:55
[INFO] [stderr]     |
[INFO] [stderr] 137 |             output_power += output_intensity * EXPR * r as f64;
[INFO] [stderr]     |                                                       ^^^^^^^^ help: try: `f64::from(r)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]    --> src/main.rs:151:38
[INFO] [stderr]     |
[INFO] [stderr] 151 |     let mut file = File::open(&path).expect(&format!("Can't open file {}", name));
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("Can't open file {}", name))`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::expect_fun_call)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]    --> src/main.rs:154:10
[INFO] [stderr]     |
[INFO] [stderr] 154 |         .expect(&format!("Cannot parse {} into a string", name));
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("Cannot parse {} into a string", name))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/main.rs:168:14
[INFO] [stderr]     |
[INFO] [stderr] 168 |         .map(|s| Laser::from(s))
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `Laser::from`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `"docker" "inspect" "52d86348865917b2dfdc80aaf7c25aff9b21c54097d5b0a5fd314ddcbd53316d"`
[INFO] running `"docker" "rm" "-f" "52d86348865917b2dfdc80aaf7c25aff9b21c54097d5b0a5fd314ddcbd53316d"`
[INFO] [stdout] 52d86348865917b2dfdc80aaf7c25aff9b21c54097d5b0a5fd314ddcbd53316d