[INFO] cloning repository https://github.com/lelandbatey/rust_buddhabrot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lelandbatey/rust_buddhabrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flelandbatey%2Frust_buddhabrot", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 696932f66bcb34a17286adde7f4227b8e31e333e
[INFO] linting lelandbatey/rust_buddhabrot against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flelandbatey%2Frust_buddhabrot" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
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[INFO] started tweaking git repo https://github.com/lelandbatey/rust_buddhabrot
[INFO] finished tweaking git repo https://github.com/lelandbatey/rust_buddhabrot
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[INFO] validating manifest of git repo https://github.com/lelandbatey/rust_buddhabrot on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lelandbatey/rust_buddhabrot 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" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> buddhabrot/src/buddha.rs:61:26
[INFO] [stdout]    |
[INFO] [stdout] 61 |         return Complex { re: re, im: im };
[INFO] [stdout]    |                          ^^^^^^ help: replace it with: `re`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout]    = note: `#[warn(clippy::redundant_field_names)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> buddhabrot/src/buddha.rs:61:34
[INFO] [stdout]    |
[INFO] [stdout] 61 |         return Complex { re: re, im: im };
[INFO] [stdout]    |                                  ^^^^^^ help: replace it with: `im`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:256:28
[INFO] [stdout]     |
[INFO] [stdout] 256 |         Box::new(|val, mx| (fexp(val as f64, 0.001) / fexp(mx as f64, 0.001))),
[INFO] [stdout]     |                            ^                                                ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 256 -         Box::new(|val, mx| (fexp(val as f64, 0.001) / fexp(mx as f64, 0.001))),
[INFO] [stdout] 256 +         Box::new(|val, mx| fexp(val as f64, 0.001) / fexp(mx as f64, 0.001) ),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:260:28
[INFO] [stdout]     |
[INFO] [stdout] 260 |         Box::new(|val, mx| (fexp(val as f64, 0.005) / fexp(mx as f64, 0.005))),
[INFO] [stdout]     |                            ^                                                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 260 -         Box::new(|val, mx| (fexp(val as f64, 0.005) / fexp(mx as f64, 0.005))),
[INFO] [stdout] 260 +         Box::new(|val, mx| fexp(val as f64, 0.005) / fexp(mx as f64, 0.005) ),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:264:28
[INFO] [stdout]     |
[INFO] [stdout] 264 |         Box::new(|val, mx| (fexp(val as f64, 0.010) / fexp(mx as f64, 0.010))),
[INFO] [stdout]     |                            ^                                                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 264 -         Box::new(|val, mx| (fexp(val as f64, 0.010) / fexp(mx as f64, 0.010))),
[INFO] [stdout] 264 +         Box::new(|val, mx| fexp(val as f64, 0.010) / fexp(mx as f64, 0.010) ),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:268:28
[INFO] [stdout]     |
[INFO] [stdout] 268 |         Box::new(|val, mx| (fexp(val as f64, 0.050) / fexp(mx as f64, 0.050))),
[INFO] [stdout]     |                            ^                                                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 268 -         Box::new(|val, mx| (fexp(val as f64, 0.050) / fexp(mx as f64, 0.050))),
[INFO] [stdout] 268 +         Box::new(|val, mx| fexp(val as f64, 0.050) / fexp(mx as f64, 0.050) ),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:272:28
[INFO] [stdout]     |
[INFO] [stdout] 272 |         Box::new(|val, mx| (fexp(val as f64, 0.100) / fexp(mx as f64, 0.100))),
[INFO] [stdout]     |                            ^                                                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 272 -         Box::new(|val, mx| (fexp(val as f64, 0.100) / fexp(mx as f64, 0.100))),
[INFO] [stdout] 272 +         Box::new(|val, mx| fexp(val as f64, 0.100) / fexp(mx as f64, 0.100) ),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> buddhabrot/src/buddha.rs:61:26
[INFO] [stdout]    |
[INFO] [stdout] 61 |         return Complex { re: re, im: im };
[INFO] [stdout]    |                          ^^^^^^ help: replace it with: `re`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout]    = note: `#[warn(clippy::redundant_field_names)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> buddhabrot/src/buddha.rs:61:34
[INFO] [stdout]    |
[INFO] [stdout] 61 |         return Complex { re: re, im: im };
[INFO] [stdout]    |                                  ^^^^^^ help: replace it with: `im`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:256:28
[INFO] [stdout]     |
[INFO] [stdout] 256 |         Box::new(|val, mx| (fexp(val as f64, 0.001) / fexp(mx as f64, 0.001))),
[INFO] [stdout]     |                            ^                                                ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 256 -         Box::new(|val, mx| (fexp(val as f64, 0.001) / fexp(mx as f64, 0.001))),
[INFO] [stdout] 256 +         Box::new(|val, mx| fexp(val as f64, 0.001) / fexp(mx as f64, 0.001) ),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:260:28
[INFO] [stdout]     |
[INFO] [stdout] 260 |         Box::new(|val, mx| (fexp(val as f64, 0.005) / fexp(mx as f64, 0.005))),
[INFO] [stdout]     |                            ^                                                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 260 -         Box::new(|val, mx| (fexp(val as f64, 0.005) / fexp(mx as f64, 0.005))),
[INFO] [stdout] 260 +         Box::new(|val, mx| fexp(val as f64, 0.005) / fexp(mx as f64, 0.005) ),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:264:28
[INFO] [stdout]     |
[INFO] [stdout] 264 |         Box::new(|val, mx| (fexp(val as f64, 0.010) / fexp(mx as f64, 0.010))),
[INFO] [stdout]     |                            ^                                                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 264 -         Box::new(|val, mx| (fexp(val as f64, 0.010) / fexp(mx as f64, 0.010))),
[INFO] [stdout] 264 +         Box::new(|val, mx| fexp(val as f64, 0.010) / fexp(mx as f64, 0.010) ),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:268:28
[INFO] [stdout]     |
[INFO] [stdout] 268 |         Box::new(|val, mx| (fexp(val as f64, 0.050) / fexp(mx as f64, 0.050))),
[INFO] [stdout]     |                            ^                                                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 268 -         Box::new(|val, mx| (fexp(val as f64, 0.050) / fexp(mx as f64, 0.050))),
[INFO] [stdout] 268 +         Box::new(|val, mx| fexp(val as f64, 0.050) / fexp(mx as f64, 0.050) ),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:272:28
[INFO] [stdout]     |
[INFO] [stdout] 272 |         Box::new(|val, mx| (fexp(val as f64, 0.100) / fexp(mx as f64, 0.100))),
[INFO] [stdout]     |                            ^                                                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 272 -         Box::new(|val, mx| (fexp(val as f64, 0.100) / fexp(mx as f64, 0.100))),
[INFO] [stdout] 272 +         Box::new(|val, mx| fexp(val as f64, 0.100) / fexp(mx as f64, 0.100) ),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> buddhabrot/src/buddha.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |         return Complex { re: re, im: im };
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]    = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 61 -         return Complex { re: re, im: im };
[INFO] [stdout] 61 +         Complex { re: re, im: im }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> buddhabrot/src/buddha.rs:148:5
[INFO] [stdout]     |
[INFO] [stdout] 148 |     return false;
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 148 -     return false;
[INFO] [stdout] 148 +     false
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> buddhabrot/src/buddha.rs:330:5
[INFO] [stdout]     |
[INFO] [stdout] 330 |     return imgs;
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 330 -     return imgs;
[INFO] [stdout] 330 +     imgs
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> buddhabrot/src/buddha.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |         return Complex { re: re, im: im };
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]    = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 61 -         return Complex { re: re, im: im };
[INFO] [stdout] 61 +         Complex { re: re, im: im }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting float literal to `f64` is unnecessary
[INFO] [stdout]    --> buddhabrot/src/buddha.rs:155:34
[INFO] [stdout]     |
[INFO] [stdout] 155 |         c.centerx - (startzoom / (2.0 as f64).powf(c.zoomlevel)),
[INFO] [stdout]     |                                  ^^^^^^^^^^^^ help: try: `2.0_f64`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout]     = note: `#[warn(clippy::unnecessary_cast)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting float literal to `f64` is unnecessary
[INFO] [stdout]    --> buddhabrot/src/buddha.rs:156:34
[INFO] [stdout]     |
[INFO] [stdout] 156 |         c.centerx + (startzoom / (2.0 as f64).powf(c.zoomlevel)),
[INFO] [stdout]     |                                  ^^^^^^^^^^^^ help: try: `2.0_f64`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting float literal to `f64` is unnecessary
[INFO] [stdout]    --> buddhabrot/src/buddha.rs:159:34
[INFO] [stdout]     |
[INFO] [stdout] 159 |         c.centery - (startzoom / (2.0 as f64).powf(c.zoomlevel)),
[INFO] [stdout]     |                                  ^^^^^^^^^^^^ help: try: `2.0_f64`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting float literal to `f64` is unnecessary
[INFO] [stdout]    --> buddhabrot/src/buddha.rs:160:34
[INFO] [stdout]     |
[INFO] [stdout] 160 |         c.centery + (startzoom / (2.0 as f64).powf(c.zoomlevel)),
[INFO] [stdout]     |                                  ^^^^^^^^^^^^ help: try: `2.0_f64`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> buddhabrot/src/buddha.rs:242:24
[INFO] [stdout]     |
[INFO] [stdout] 242 |                     if !(trajectory.length < tconf.min_iterations) {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `(trajectory.length >= tconf.min_iterations)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]     = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `Complex` which implements the `Copy` trait
[INFO] [stdout]    --> buddhabrot/src/buddha.rs:223:36
[INFO] [stdout]     |
[INFO] [stdout] 223 | ...                   point: z.clone(),
[INFO] [stdout]     |                              ^^^^^^^^^ help: try removing the `clone` call: `z`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout]     = note: `#[warn(clippy::clone_on_copy)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]    --> buddhabrot/src/buddha.rs:241:17
[INFO] [stdout]     |
[INFO] [stdout] 241 | /                 if escaped {
[INFO] [stdout] 242 | |                     if !(trajectory.length < tconf.min_iterations) {
[INFO] [stdout] 243 | |                         match child_tx.send(trajectory) {
[INFO] [stdout] 244 | |                             Ok(_) => (),
[INFO] [stdout] ...   |
[INFO] [stdout] 249 | |                 }
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout]     = note: `#[warn(clippy::collapsible_if)]` on by default
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]     |
[INFO] [stdout] 241 ~                 if escaped
[INFO] [stdout] 242 ~                     && !(trajectory.length < tconf.min_iterations) {
[INFO] [stdout] 243 |                         match child_tx.send(trajectory) {
[INFO] [stdout] ...
[INFO] [stdout] 247 |                         valid_traj += 1;
[INFO] [stdout] 248 ~                     }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> buddhabrot/src/buddha.rs:148:5
[INFO] [stdout]     |
[INFO] [stdout] 148 |     return false;
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 148 -     return false;
[INFO] [stdout] 148 +     false
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the borrowed expression implements the required traits
[INFO] [stdout]    --> buddhabrot/src/buddha.rs:265:38
[INFO] [stdout]     |
[INFO] [stdout] 265 |     let mut json_file = File::create(&std::path::Path::new(c.json_file.as_str())).unwrap();
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `std::path::Path::new(c.json_file.as_str())`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrows_for_generic_args
[INFO] [stdout]     = note: `#[warn(clippy::needless_borrows_for_generic_args)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]    --> buddhabrot/src/buddha.rs:288:17
[INFO] [stdout]     |
[INFO] [stdout] 288 | /                 write!(
[INFO] [stdout] 289 | |                     json_file,
[INFO] [stdout] 290 | |                     "{}\n",
[INFO] [stdout] 291 | |                     serde_json::to_string(&trajectory).unwrap()
[INFO] [stdout] 292 | |                 ).unwrap();
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout]     = note: `#[warn(clippy::write_with_newline)]` on by default
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]     |
[INFO] [stdout] 288 ~                 writeln!(
[INFO] [stdout] 289 |                     json_file,
[INFO] [stdout] 290 ~                     "{}",
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> buddhabrot/src/buddha.rs:330:5
[INFO] [stdout]     |
[INFO] [stdout] 330 |     return imgs;
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 330 -     return imgs;
[INFO] [stdout] 330 +     imgs
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting float literal to `f64` is unnecessary
[INFO] [stdout]    --> buddhabrot/src/buddha.rs:155:34
[INFO] [stdout]     |
[INFO] [stdout] 155 |         c.centerx - (startzoom / (2.0 as f64).powf(c.zoomlevel)),
[INFO] [stdout]     |                                  ^^^^^^^^^^^^ help: try: `2.0_f64`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout]     = note: `#[warn(clippy::unnecessary_cast)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting float literal to `f64` is unnecessary
[INFO] [stdout]    --> buddhabrot/src/buddha.rs:156:34
[INFO] [stdout]     |
[INFO] [stdout] 156 |         c.centerx + (startzoom / (2.0 as f64).powf(c.zoomlevel)),
[INFO] [stdout]     |                                  ^^^^^^^^^^^^ help: try: `2.0_f64`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting float literal to `f64` is unnecessary
[INFO] [stdout]    --> buddhabrot/src/buddha.rs:159:34
[INFO] [stdout]     |
[INFO] [stdout] 159 |         c.centery - (startzoom / (2.0 as f64).powf(c.zoomlevel)),
[INFO] [stdout]     |                                  ^^^^^^^^^^^^ help: try: `2.0_f64`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting float literal to `f64` is unnecessary
[INFO] [stdout]    --> buddhabrot/src/buddha.rs:160:34
[INFO] [stdout]     |
[INFO] [stdout] 160 |         c.centery + (startzoom / (2.0 as f64).powf(c.zoomlevel)),
[INFO] [stdout]     |                                  ^^^^^^^^^^^^ help: try: `2.0_f64`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> buddhabrot/src/buddha.rs:242:24
[INFO] [stdout]     |
[INFO] [stdout] 242 |                     if !(trajectory.length < tconf.min_iterations) {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `(trajectory.length >= tconf.min_iterations)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]     = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]    --> buddhabrot/src/buddha.rs:326:9
[INFO] [stdout]     |
[INFO] [stdout] 326 |         write!(logfile, "{} {}\n", key, val).unwrap();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]     |
[INFO] [stdout] 326 -         write!(logfile, "{} {}\n", key, val).unwrap();
[INFO] [stdout] 326 +         writeln!(logfile, "{} {}", key, val).unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]   --> buddhabrot/src/ppm.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 | /         if x < self.width && x >= 0 {
[INFO] [stdout] 47 | |             if y < self.height && y >= 0 {
[INFO] [stdout] 48 | |                 if val > self.maximum {
[INFO] [stdout] 49 | |                     self.maximum = val
[INFO] [stdout] ...  |
[INFO] [stdout] 56 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]    |
[INFO] [stdout] 46 ~         if x < self.width && x >= 0
[INFO] [stdout] 47 ~             && y < self.height && y >= 0 {
[INFO] [stdout] 48 |                 if val > self.maximum {
[INFO] [stdout] ...
[INFO] [stdout] 54 |                 self.pixels[((self.height * y) + x) as usize] = val
[INFO] [stdout] 55 ~             }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]   --> buddhabrot/src/ppm.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 | /         if x < self.width && x >= 0 {
[INFO] [stdout] 60 | |             if y < self.height && y >= 0 {
[INFO] [stdout] 61 | |                 let mut px = self.pixels[((self.height * y) + x) as usize];
[INFO] [stdout] 62 | |                 px = px + 1;
[INFO] [stdout] ...  |
[INFO] [stdout] 71 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]    |
[INFO] [stdout] 59 ~         if x < self.width && x >= 0
[INFO] [stdout] 60 ~             && y < self.height && y >= 0 {
[INFO] [stdout] 61 |                 let mut px = self.pixels[((self.height * y) + x) as usize];
[INFO] [stdout] ...
[INFO] [stdout] 69 |                 self.pixels[((self.height * y) + x) as usize] = px;
[INFO] [stdout] 70 ~             }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]   --> buddhabrot/src/ppm.rs:62:17
[INFO] [stdout]    |
[INFO] [stdout] 62 |                 px = px + 1;
[INFO] [stdout]    |                 ^^^^^^^^^^^ help: replace it with: `px += 1`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout]    = note: `#[warn(clippy::assign_op_pattern)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`i64` -> `i64`)
[INFO] [stdout]   --> buddhabrot/src/ppm.rs:80:47
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let val = self.pixels[((self.height * y as i64) + x as i64) as usize] as f64;
[INFO] [stdout]    |                                               ^^^^^^^^ help: try: `y`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`i64` -> `i64`)
[INFO] [stdout]   --> buddhabrot/src/ppm.rs:80:59
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let val = self.pixels[((self.height * y as i64) + x as i64) as usize] as f64;
[INFO] [stdout]    |                                                           ^^^^^^^^ help: try: `x`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`f64` -> `f64`)
[INFO] [stdout]   --> buddhabrot/src/ppm.rs:85:18
[INFO] [stdout]    |
[INFO] [stdout] 85 |             fexp(val as f64, 0.001) / fexp(mx as f64, 0.001)
[INFO] [stdout]    |                  ^^^^^^^^^^ help: try: `val`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`f64` -> `f64`)
[INFO] [stdout]   --> buddhabrot/src/ppm.rs:85:44
[INFO] [stdout]    |
[INFO] [stdout] 85 |             fexp(val as f64, 0.001) / fexp(mx as f64, 0.001)
[INFO] [stdout]    |                                            ^^^^^^^^^ help: try: `mx`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> buddhabrot/src/ppm.rs:91:24
[INFO] [stdout]    |
[INFO] [stdout] 91 | pub fn write_ppm(imgs: &Vec<Img>, fname: String) {
[INFO] [stdout]    |                        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout]    = note: `#[warn(clippy::ptr_arg)]` on by default
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 91 - pub fn write_ppm(imgs: &Vec<Img>, fname: String) {
[INFO] [stdout] 91 + pub fn write_ppm(imgs: &[Img], fname: String) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]   --> buddhabrot/src/ppm.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 95 |     write!(ppm, "{} {}\n", imgs[0].width, imgs[0].height).unwrap();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]    |
[INFO] [stdout] 95 -     write!(ppm, "{} {}\n", imgs[0].width, imgs[0].height).unwrap();
[INFO] [stdout] 95 +     writeln!(ppm, "{} {}", imgs[0].width, imgs[0].height).unwrap();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:96:5
[INFO] [stdout]     |
[INFO] [stdout]  96 | /     write!(
[INFO] [stdout]  97 | |         ppm,
[INFO] [stdout]  98 | |         "{}\n",
[INFO] [stdout]  99 | |         max(imgs[0].maximum, max(imgs[1].maximum, imgs[2].maximum))
[INFO] [stdout] 100 | |     )
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]     |
[INFO] [stdout]  96 ~     writeln!(
[INFO] [stdout]  97 |         ppm,
[INFO] [stdout]  98 ~         "{}",
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 | /         write!(
[INFO] [stdout] 104 | |             ppm,
[INFO] [stdout] 105 | |             "{} {} {}\n",
[INFO] [stdout] 106 | |             imgs[0].pixels[pidx], imgs[1].pixels[pidx], imgs[2].pixels[pidx]
[INFO] [stdout] 107 | |         )
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]     |
[INFO] [stdout] 103 ~         writeln!(
[INFO] [stdout] 104 |             ppm,
[INFO] [stdout] 105 ~             "{} {} {}",
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:114:31
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub fn write_scaled_ppm(imgs: &Vec<Img>, fname: String) {
[INFO] [stdout]     |                               ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]     |
[INFO] [stdout] 114 - pub fn write_scaled_ppm(imgs: &Vec<Img>, fname: String) {
[INFO] [stdout] 114 + pub fn write_scaled_ppm(imgs: &[Img], fname: String) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:121:13
[INFO] [stdout]     |
[INFO] [stdout] 121 |             return (mx / 255 + 1 as i64) as u8;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 121 -             return (mx / 255 + 1 as i64) as u8;
[INFO] [stdout] 121 +             (mx / 255 + 1 as i64) as u8
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:123:13
[INFO] [stdout]     |
[INFO] [stdout] 123 |             return scaled_val;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 123 -             return scaled_val;
[INFO] [stdout] 123 +             scaled_val
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `Complex` which implements the `Copy` trait
[INFO] [stdout]    --> buddhabrot/src/buddha.rs:223:36
[INFO] [stdout]     |
[INFO] [stdout] 223 | ...                   point: z.clone(),
[INFO] [stdout]     |                              ^^^^^^^^^ help: try removing the `clone` call: `z`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout]     = note: `#[warn(clippy::clone_on_copy)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting integer literal to `i64` is unnecessary
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:121:32
[INFO] [stdout]     |
[INFO] [stdout] 121 |             return (mx / 255 + 1 as i64) as u8;
[INFO] [stdout]     |                                ^^^^^^^^ help: try: `1_i64`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:129:5
[INFO] [stdout]     |
[INFO] [stdout] 129 |     write!(ppm, "{} {}\n", imgs[0].width, imgs[0].height).unwrap();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]     |
[INFO] [stdout] 129 -     write!(ppm, "{} {}\n", imgs[0].width, imgs[0].height).unwrap();
[INFO] [stdout] 129 +     writeln!(ppm, "{} {}", imgs[0].width, imgs[0].height).unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:130:5
[INFO] [stdout]     |
[INFO] [stdout] 130 |     write!(ppm, "{}\n", scale_fn(max_brightness, max_brightness)).unwrap();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]     |
[INFO] [stdout] 130 -     write!(ppm, "{}\n", scale_fn(max_brightness, max_brightness)).unwrap();
[INFO] [stdout] 130 +     writeln!(ppm, "{}", scale_fn(max_brightness, max_brightness)).unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]    --> buddhabrot/src/buddha.rs:241:17
[INFO] [stdout]     |
[INFO] [stdout] 241 | /                 if escaped {
[INFO] [stdout] 242 | |                     if !(trajectory.length < tconf.min_iterations) {
[INFO] [stdout] 243 | |                         match child_tx.send(trajectory) {
[INFO] [stdout] 244 | |                             Ok(_) => (),
[INFO] [stdout] ...   |
[INFO] [stdout] 249 | |                 }
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout]     = note: `#[warn(clippy::collapsible_if)]` on by default
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]     |
[INFO] [stdout] 241 ~                 if escaped
[INFO] [stdout] 242 ~                     && !(trajectory.length < tconf.min_iterations) {
[INFO] [stdout] 243 |                         match child_tx.send(trajectory) {
[INFO] [stdout] ...
[INFO] [stdout] 247 |                         valid_traj += 1;
[INFO] [stdout] 248 ~                     }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 | /         write!(
[INFO] [stdout] 133 | |             ppm,
[INFO] [stdout] 134 | |             "{} {} {}\n",
[INFO] [stdout] 135 | |             scale_fn(imgs[0].pixels[pidx], max_brightness),
[INFO] [stdout] 136 | |             scale_fn(imgs[1].pixels[pidx], max_brightness),
[INFO] [stdout] 137 | |             scale_fn(imgs[2].pixels[pidx], max_brightness),
[INFO] [stdout] 138 | |         )
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]     |
[INFO] [stdout] 132 ~         writeln!(
[INFO] [stdout] 133 |             ppm,
[INFO] [stdout] 134 ~             "{} {} {}",
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:143:34
[INFO] [stdout]     |
[INFO] [stdout] 143 | pub fn write_scaled_png<F>(imgs: &Vec<Img>, fname: String, scale_func: F)
[INFO] [stdout]     |                                  ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]     |
[INFO] [stdout] 143 - pub fn write_scaled_png<F>(imgs: &Vec<Img>, fname: String, scale_func: F)
[INFO] [stdout] 143 + pub fn write_scaled_png<F>(imgs: &[Img], fname: String, scale_func: F)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the borrowed expression implements the required traits
[INFO] [stdout]    --> buddhabrot/src/buddha.rs:265:38
[INFO] [stdout]     |
[INFO] [stdout] 265 |     let mut json_file = File::create(&std::path::Path::new(c.json_file.as_str())).unwrap();
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `std::path::Path::new(c.json_file.as_str())`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrows_for_generic_args
[INFO] [stdout]     = note: `#[warn(clippy::needless_borrows_for_generic_args)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:244:5
[INFO] [stdout]     |
[INFO] [stdout] 244 |     return imgs;
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 244 -     return imgs;
[INFO] [stdout] 244 +     imgs
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]    --> buddhabrot/src/buddha.rs:288:17
[INFO] [stdout]     |
[INFO] [stdout] 288 | /                 write!(
[INFO] [stdout] 289 | |                     json_file,
[INFO] [stdout] 290 | |                     "{}\n",
[INFO] [stdout] 291 | |                     serde_json::to_string(&trajectory).unwrap()
[INFO] [stdout] 292 | |                 ).unwrap();
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout]     = note: `#[warn(clippy::write_with_newline)]` on by default
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]     |
[INFO] [stdout] 288 ~                 writeln!(
[INFO] [stdout] 289 |                     json_file,
[INFO] [stdout] 290 ~                     "{}",
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: all variants have the same prefix: `Await`
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:174:5
[INFO] [stdout]     |
[INFO] [stdout] 174 | /     enum State {
[INFO] [stdout] 175 | |         AwaitMagicNum,
[INFO] [stdout] 176 | |         AwaitWidth,
[INFO] [stdout] 177 | |         AwaitHeight,
[INFO] [stdout] ...   |
[INFO] [stdout] 181 | |         AwaitBlue,
[INFO] [stdout] 182 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = help: remove the prefixes and use full paths to the variants instead of glob imports
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#enum_variant_names
[INFO] [stdout]     = note: `#[warn(clippy::enum_variant_names)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison to empty slice
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:192:12
[INFO] [stdout]     |
[INFO] [stdout] 192 |         if line == "" {
[INFO] [stdout]     |            ^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `line.is_empty()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#comparison_to_empty
[INFO] [stdout]     = note: `#[warn(clippy::comparison_to_empty)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison to empty slice
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:197:16
[INFO] [stdout]     |
[INFO] [stdout] 197 |             if token == "" {
[INFO] [stdout]     |                ^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `token.is_empty()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#comparison_to_empty
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]    --> buddhabrot/src/buddha.rs:326:9
[INFO] [stdout]     |
[INFO] [stdout] 326 |         write!(logfile, "{} {}\n", key, val).unwrap();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]     |
[INFO] [stdout] 326 -         write!(logfile, "{} {}\n", key, val).unwrap();
[INFO] [stdout] 326 +         writeln!(logfile, "{} {}", key, val).unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:250:26
[INFO] [stdout]     |
[INFO] [stdout] 250 | pub fn rescale_ppm(imgs: &Vec<Img>, ppmname: String) {
[INFO] [stdout]     |                          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]     |
[INFO] [stdout] 250 - pub fn rescale_ppm(imgs: &Vec<Img>, ppmname: String) {
[INFO] [stdout] 250 + pub fn rescale_ppm(imgs: &[Img], ppmname: String) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:253:28
[INFO] [stdout]     |
[INFO] [stdout] 253 |     let mut scaling_funcs: Vec<(&str, Box<dyn Fn(f64, f64) -> f64>)> = Vec::new();
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stdout]     = note: `#[warn(clippy::type_complexity)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`f64` -> `f64`)
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:256:34
[INFO] [stdout]     |
[INFO] [stdout] 256 |         Box::new(|val, mx| (fexp(val as f64, 0.001) / fexp(mx as f64, 0.001))),
[INFO] [stdout]     |                                  ^^^^^^^^^^ help: try: `val`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`f64` -> `f64`)
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:256:60
[INFO] [stdout]     |
[INFO] [stdout] 256 |         Box::new(|val, mx| (fexp(val as f64, 0.001) / fexp(mx as f64, 0.001))),
[INFO] [stdout]     |                                                            ^^^^^^^^^ help: try: `mx`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`f64` -> `f64`)
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:260:34
[INFO] [stdout]     |
[INFO] [stdout] 260 |         Box::new(|val, mx| (fexp(val as f64, 0.005) / fexp(mx as f64, 0.005))),
[INFO] [stdout]     |                                  ^^^^^^^^^^ help: try: `val`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`f64` -> `f64`)
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:260:60
[INFO] [stdout]     |
[INFO] [stdout] 260 |         Box::new(|val, mx| (fexp(val as f64, 0.005) / fexp(mx as f64, 0.005))),
[INFO] [stdout]     |                                                            ^^^^^^^^^ help: try: `mx`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`f64` -> `f64`)
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:264:34
[INFO] [stdout]     |
[INFO] [stdout] 264 |         Box::new(|val, mx| (fexp(val as f64, 0.010) / fexp(mx as f64, 0.010))),
[INFO] [stdout]     |                                  ^^^^^^^^^^ help: try: `val`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`f64` -> `f64`)
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:264:60
[INFO] [stdout]     |
[INFO] [stdout] 264 |         Box::new(|val, mx| (fexp(val as f64, 0.010) / fexp(mx as f64, 0.010))),
[INFO] [stdout]     |                                                            ^^^^^^^^^ help: try: `mx`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`f64` -> `f64`)
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:268:34
[INFO] [stdout]     |
[INFO] [stdout] 268 |         Box::new(|val, mx| (fexp(val as f64, 0.050) / fexp(mx as f64, 0.050))),
[INFO] [stdout]     |                                  ^^^^^^^^^^ help: try: `val`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`f64` -> `f64`)
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:268:60
[INFO] [stdout]     |
[INFO] [stdout] 268 |         Box::new(|val, mx| (fexp(val as f64, 0.050) / fexp(mx as f64, 0.050))),
[INFO] [stdout]     |                                                            ^^^^^^^^^ help: try: `mx`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`f64` -> `f64`)
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:272:34
[INFO] [stdout]     |
[INFO] [stdout] 272 |         Box::new(|val, mx| (fexp(val as f64, 0.100) / fexp(mx as f64, 0.100))),
[INFO] [stdout]     |                                  ^^^^^^^^^^ help: try: `val`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`f64` -> `f64`)
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:272:60
[INFO] [stdout]     |
[INFO] [stdout] 272 |         Box::new(|val, mx| (fexp(val as f64, 0.100) / fexp(mx as f64, 0.100))),
[INFO] [stdout]     |                                                            ^^^^^^^^^ help: try: `mx`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`f64` -> `f64`)
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:276:32
[INFO] [stdout]     |
[INFO] [stdout] 276 |         Box::new(|val, mx| log(val as f64, 1.0) / log(mx as f64, 1.0)),
[INFO] [stdout]     |                                ^^^^^^^^^^ help: try: `val`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`f64` -> `f64`)
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:276:55
[INFO] [stdout]     |
[INFO] [stdout] 276 |         Box::new(|val, mx| log(val as f64, 1.0) / log(mx as f64, 1.0)),
[INFO] [stdout]     |                                                       ^^^^^^^^^ help: try: `mx`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`f64` -> `f64`)
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:280:32
[INFO] [stdout]     |
[INFO] [stdout] 280 |         Box::new(|val, mx| log(val as f64, 0.5) / log(mx as f64, 0.5)),
[INFO] [stdout]     |                                ^^^^^^^^^^ help: try: `val`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`f64` -> `f64`)
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:280:55
[INFO] [stdout]     |
[INFO] [stdout] 280 |         Box::new(|val, mx| log(val as f64, 0.5) / log(mx as f64, 0.5)),
[INFO] [stdout]     |                                                       ^^^^^^^^^ help: try: `mx`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`f64` -> `f64`)
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:284:32
[INFO] [stdout]     |
[INFO] [stdout] 284 |         Box::new(|val, mx| log(val as f64, 0.1) / log(mx as f64, 0.1)),
[INFO] [stdout]     |                                ^^^^^^^^^^ help: try: `val`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`f64` -> `f64`)
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:284:55
[INFO] [stdout]     |
[INFO] [stdout] 284 |         Box::new(|val, mx| log(val as f64, 0.1) / log(mx as f64, 0.1)),
[INFO] [stdout]     |                                                       ^^^^^^^^^ help: try: `mx`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`f64` -> `f64`)
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:288:32
[INFO] [stdout]     |
[INFO] [stdout] 288 |         Box::new(|val, mx| log(val as f64, 0.01) / log(mx as f64, 0.01)),
[INFO] [stdout]     |                                ^^^^^^^^^^ help: try: `val`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]   --> buddhabrot/src/ppm.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 | /         if x < self.width && x >= 0 {
[INFO] [stdout] 47 | |             if y < self.height && y >= 0 {
[INFO] [stdout] 48 | |                 if val > self.maximum {
[INFO] [stdout] 49 | |                     self.maximum = val
[INFO] [stdout] ...  |
[INFO] [stdout] 56 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]    |
[INFO] [stdout] 46 ~         if x < self.width && x >= 0
[INFO] [stdout] 47 ~             && y < self.height && y >= 0 {
[INFO] [stdout] 48 |                 if val > self.maximum {
[INFO] [stdout] ...
[INFO] [stdout] 54 |                 self.pixels[((self.height * y) + x) as usize] = val
[INFO] [stdout] 55 ~             }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`f64` -> `f64`)
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:288:56
[INFO] [stdout]     |
[INFO] [stdout] 288 |         Box::new(|val, mx| log(val as f64, 0.01) / log(mx as f64, 0.01)),
[INFO] [stdout]     |                                                        ^^^^^^^^^ help: try: `mx`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:296:13
[INFO] [stdout]     |
[INFO] [stdout] 296 |             return 0.0;
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 296 -             return 0.0;
[INFO] [stdout] 296 +             0.0
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]   --> buddhabrot/src/ppm.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 | /         if x < self.width && x >= 0 {
[INFO] [stdout] 60 | |             if y < self.height && y >= 0 {
[INFO] [stdout] 61 | |                 let mut px = self.pixels[((self.height * y) + x) as usize];
[INFO] [stdout] 62 | |                 px = px + 1;
[INFO] [stdout] ...  |
[INFO] [stdout] 71 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]    |
[INFO] [stdout] 59 ~         if x < self.width && x >= 0
[INFO] [stdout] 60 ~             && y < self.height && y >= 0 {
[INFO] [stdout] 61 |                 let mut px = self.pixels[((self.height * y) + x) as usize];
[INFO] [stdout] ...
[INFO] [stdout] 69 |                 self.pixels[((self.height * y) + x) as usize] = px;
[INFO] [stdout] 70 ~             }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]   --> buddhabrot/src/ppm.rs:62:17
[INFO] [stdout]    |
[INFO] [stdout] 62 |                 px = px + 1;
[INFO] [stdout]    |                 ^^^^^^^^^^^ help: replace it with: `px += 1`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout]    = note: `#[warn(clippy::assign_op_pattern)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`i64` -> `i64`)
[INFO] [stdout]   --> buddhabrot/src/ppm.rs:80:47
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let val = self.pixels[((self.height * y as i64) + x as i64) as usize] as f64;
[INFO] [stdout]    |                                               ^^^^^^^^ help: try: `y`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`i64` -> `i64`)
[INFO] [stdout]   --> buddhabrot/src/ppm.rs:80:59
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let val = self.pixels[((self.height * y as i64) + x as i64) as usize] as f64;
[INFO] [stdout]    |                                                           ^^^^^^^^ help: try: `x`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`f64` -> `f64`)
[INFO] [stdout]   --> buddhabrot/src/ppm.rs:85:18
[INFO] [stdout]    |
[INFO] [stdout] 85 |             fexp(val as f64, 0.001) / fexp(mx as f64, 0.001)
[INFO] [stdout]    |                  ^^^^^^^^^^ help: try: `val`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`f64` -> `f64`)
[INFO] [stdout]   --> buddhabrot/src/ppm.rs:85:44
[INFO] [stdout]    |
[INFO] [stdout] 85 |             fexp(val as f64, 0.001) / fexp(mx as f64, 0.001)
[INFO] [stdout]    |                                            ^^^^^^^^^ help: try: `mx`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> buddhabrot/src/ppm.rs:91:24
[INFO] [stdout]    |
[INFO] [stdout] 91 | pub fn write_ppm(imgs: &Vec<Img>, fname: String) {
[INFO] [stdout]    |                        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout]    = note: `#[warn(clippy::ptr_arg)]` on by default
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 91 - pub fn write_ppm(imgs: &Vec<Img>, fname: String) {
[INFO] [stdout] 91 + pub fn write_ppm(imgs: &[Img], fname: String) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]   --> buddhabrot/src/ppm.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 95 |     write!(ppm, "{} {}\n", imgs[0].width, imgs[0].height).unwrap();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]    |
[INFO] [stdout] 95 -     write!(ppm, "{} {}\n", imgs[0].width, imgs[0].height).unwrap();
[INFO] [stdout] 95 +     writeln!(ppm, "{} {}", imgs[0].width, imgs[0].height).unwrap();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:96:5
[INFO] [stdout]     |
[INFO] [stdout]  96 | /     write!(
[INFO] [stdout]  97 | |         ppm,
[INFO] [stdout]  98 | |         "{}\n",
[INFO] [stdout]  99 | |         max(imgs[0].maximum, max(imgs[1].maximum, imgs[2].maximum))
[INFO] [stdout] 100 | |     )
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]     |
[INFO] [stdout]  96 ~     writeln!(
[INFO] [stdout]  97 |         ppm,
[INFO] [stdout]  98 ~         "{}",
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 | /         write!(
[INFO] [stdout] 104 | |             ppm,
[INFO] [stdout] 105 | |             "{} {} {}\n",
[INFO] [stdout] 106 | |             imgs[0].pixels[pidx], imgs[1].pixels[pidx], imgs[2].pixels[pidx]
[INFO] [stdout] 107 | |         )
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]     |
[INFO] [stdout] 103 ~         writeln!(
[INFO] [stdout] 104 |             ppm,
[INFO] [stdout] 105 ~             "{} {} {}",
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:114:31
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub fn write_scaled_ppm(imgs: &Vec<Img>, fname: String) {
[INFO] [stdout]     |                               ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]     |
[INFO] [stdout] 114 - pub fn write_scaled_ppm(imgs: &Vec<Img>, fname: String) {
[INFO] [stdout] 114 + pub fn write_scaled_ppm(imgs: &[Img], fname: String) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:121:13
[INFO] [stdout]     |
[INFO] [stdout] 121 |             return (mx / 255 + 1 as i64) as u8;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 121 -             return (mx / 255 + 1 as i64) as u8;
[INFO] [stdout] 121 +             (mx / 255 + 1 as i64) as u8
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:123:13
[INFO] [stdout]     |
[INFO] [stdout] 123 |             return scaled_val;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 123 -             return scaled_val;
[INFO] [stdout] 123 +             scaled_val
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting integer literal to `i64` is unnecessary
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:121:32
[INFO] [stdout]     |
[INFO] [stdout] 121 |             return (mx / 255 + 1 as i64) as u8;
[INFO] [stdout]     |                                ^^^^^^^^ help: try: `1_i64`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:129:5
[INFO] [stdout]     |
[INFO] [stdout] 129 |     write!(ppm, "{} {}\n", imgs[0].width, imgs[0].height).unwrap();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]     |
[INFO] [stdout] 129 -     write!(ppm, "{} {}\n", imgs[0].width, imgs[0].height).unwrap();
[INFO] [stdout] 129 +     writeln!(ppm, "{} {}", imgs[0].width, imgs[0].height).unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:130:5
[INFO] [stdout]     |
[INFO] [stdout] 130 |     write!(ppm, "{}\n", scale_fn(max_brightness, max_brightness)).unwrap();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]     |
[INFO] [stdout] 130 -     write!(ppm, "{}\n", scale_fn(max_brightness, max_brightness)).unwrap();
[INFO] [stdout] 130 +     writeln!(ppm, "{}", scale_fn(max_brightness, max_brightness)).unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 | /         write!(
[INFO] [stdout] 133 | |             ppm,
[INFO] [stdout] 134 | |             "{} {} {}\n",
[INFO] [stdout] 135 | |             scale_fn(imgs[0].pixels[pidx], max_brightness),
[INFO] [stdout] 136 | |             scale_fn(imgs[1].pixels[pidx], max_brightness),
[INFO] [stdout] 137 | |             scale_fn(imgs[2].pixels[pidx], max_brightness),
[INFO] [stdout] 138 | |         )
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]     |
[INFO] [stdout] 132 ~         writeln!(
[INFO] [stdout] 133 |             ppm,
[INFO] [stdout] 134 ~             "{} {} {}",
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:143:34
[INFO] [stdout]     |
[INFO] [stdout] 143 | pub fn write_scaled_png<F>(imgs: &Vec<Img>, fname: String, scale_func: F)
[INFO] [stdout]     |                                  ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]     |
[INFO] [stdout] 143 - pub fn write_scaled_png<F>(imgs: &Vec<Img>, fname: String, scale_func: F)
[INFO] [stdout] 143 + pub fn write_scaled_png<F>(imgs: &[Img], fname: String, scale_func: F)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:244:5
[INFO] [stdout]     |
[INFO] [stdout] 244 |     return imgs;
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 244 -     return imgs;
[INFO] [stdout] 244 +     imgs
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: all variants have the same prefix: `Await`
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:174:5
[INFO] [stdout]     |
[INFO] [stdout] 174 | /     enum State {
[INFO] [stdout] 175 | |         AwaitMagicNum,
[INFO] [stdout] 176 | |         AwaitWidth,
[INFO] [stdout] 177 | |         AwaitHeight,
[INFO] [stdout] ...   |
[INFO] [stdout] 181 | |         AwaitBlue,
[INFO] [stdout] 182 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = help: remove the prefixes and use full paths to the variants instead of glob imports
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#enum_variant_names
[INFO] [stdout]     = note: `#[warn(clippy::enum_variant_names)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison to empty slice
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:192:12
[INFO] [stdout]     |
[INFO] [stdout] 192 |         if line == "" {
[INFO] [stdout]     |            ^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `line.is_empty()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#comparison_to_empty
[INFO] [stdout]     = note: `#[warn(clippy::comparison_to_empty)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison to empty slice
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:197:16
[INFO] [stdout]     |
[INFO] [stdout] 197 |             if token == "" {
[INFO] [stdout]     |                ^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `token.is_empty()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#comparison_to_empty
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:250:26
[INFO] [stdout]     |
[INFO] [stdout] 250 | pub fn rescale_ppm(imgs: &Vec<Img>, ppmname: String) {
[INFO] [stdout]     |                          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]     |
[INFO] [stdout] 250 - pub fn rescale_ppm(imgs: &Vec<Img>, ppmname: String) {
[INFO] [stdout] 250 + pub fn rescale_ppm(imgs: &[Img], ppmname: String) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:253:28
[INFO] [stdout]     |
[INFO] [stdout] 253 |     let mut scaling_funcs: Vec<(&str, Box<dyn Fn(f64, f64) -> f64>)> = Vec::new();
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stdout]     = note: `#[warn(clippy::type_complexity)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`f64` -> `f64`)
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:256:34
[INFO] [stdout]     |
[INFO] [stdout] 256 |         Box::new(|val, mx| (fexp(val as f64, 0.001) / fexp(mx as f64, 0.001))),
[INFO] [stdout]     |                                  ^^^^^^^^^^ help: try: `val`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`f64` -> `f64`)
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:256:60
[INFO] [stdout]     |
[INFO] [stdout] 256 |         Box::new(|val, mx| (fexp(val as f64, 0.001) / fexp(mx as f64, 0.001))),
[INFO] [stdout]     |                                                            ^^^^^^^^^ help: try: `mx`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`f64` -> `f64`)
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:260:34
[INFO] [stdout]     |
[INFO] [stdout] 260 |         Box::new(|val, mx| (fexp(val as f64, 0.005) / fexp(mx as f64, 0.005))),
[INFO] [stdout]     |                                  ^^^^^^^^^^ help: try: `val`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`f64` -> `f64`)
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:260:60
[INFO] [stdout]     |
[INFO] [stdout] 260 |         Box::new(|val, mx| (fexp(val as f64, 0.005) / fexp(mx as f64, 0.005))),
[INFO] [stdout]     |                                                            ^^^^^^^^^ help: try: `mx`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`f64` -> `f64`)
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:264:34
[INFO] [stdout]     |
[INFO] [stdout] 264 |         Box::new(|val, mx| (fexp(val as f64, 0.010) / fexp(mx as f64, 0.010))),
[INFO] [stdout]     |                                  ^^^^^^^^^^ help: try: `val`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`f64` -> `f64`)
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:264:60
[INFO] [stdout]     |
[INFO] [stdout] 264 |         Box::new(|val, mx| (fexp(val as f64, 0.010) / fexp(mx as f64, 0.010))),
[INFO] [stdout]     |                                                            ^^^^^^^^^ help: try: `mx`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`f64` -> `f64`)
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:268:34
[INFO] [stdout]     |
[INFO] [stdout] 268 |         Box::new(|val, mx| (fexp(val as f64, 0.050) / fexp(mx as f64, 0.050))),
[INFO] [stdout]     |                                  ^^^^^^^^^^ help: try: `val`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`f64` -> `f64`)
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:268:60
[INFO] [stdout]     |
[INFO] [stdout] 268 |         Box::new(|val, mx| (fexp(val as f64, 0.050) / fexp(mx as f64, 0.050))),
[INFO] [stdout]     |                                                            ^^^^^^^^^ help: try: `mx`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`f64` -> `f64`)
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:272:34
[INFO] [stdout]     |
[INFO] [stdout] 272 |         Box::new(|val, mx| (fexp(val as f64, 0.100) / fexp(mx as f64, 0.100))),
[INFO] [stdout]     |                                  ^^^^^^^^^^ help: try: `val`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`f64` -> `f64`)
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:272:60
[INFO] [stdout]     |
[INFO] [stdout] 272 |         Box::new(|val, mx| (fexp(val as f64, 0.100) / fexp(mx as f64, 0.100))),
[INFO] [stdout]     |                                                            ^^^^^^^^^ help: try: `mx`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`f64` -> `f64`)
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:276:32
[INFO] [stdout]     |
[INFO] [stdout] 276 |         Box::new(|val, mx| log(val as f64, 1.0) / log(mx as f64, 1.0)),
[INFO] [stdout]     |                                ^^^^^^^^^^ help: try: `val`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`f64` -> `f64`)
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:276:55
[INFO] [stdout]     |
[INFO] [stdout] 276 |         Box::new(|val, mx| log(val as f64, 1.0) / log(mx as f64, 1.0)),
[INFO] [stdout]     |                                                       ^^^^^^^^^ help: try: `mx`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`f64` -> `f64`)
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:280:32
[INFO] [stdout]     |
[INFO] [stdout] 280 |         Box::new(|val, mx| log(val as f64, 0.5) / log(mx as f64, 0.5)),
[INFO] [stdout]     |                                ^^^^^^^^^^ help: try: `val`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`f64` -> `f64`)
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:280:55
[INFO] [stdout]     |
[INFO] [stdout] 280 |         Box::new(|val, mx| log(val as f64, 0.5) / log(mx as f64, 0.5)),
[INFO] [stdout]     |                                                       ^^^^^^^^^ help: try: `mx`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`f64` -> `f64`)
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:284:32
[INFO] [stdout]     |
[INFO] [stdout] 284 |         Box::new(|val, mx| log(val as f64, 0.1) / log(mx as f64, 0.1)),
[INFO] [stdout]     |                                ^^^^^^^^^^ help: try: `val`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`f64` -> `f64`)
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:284:55
[INFO] [stdout]     |
[INFO] [stdout] 284 |         Box::new(|val, mx| log(val as f64, 0.1) / log(mx as f64, 0.1)),
[INFO] [stdout]     |                                                       ^^^^^^^^^ help: try: `mx`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`f64` -> `f64`)
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:288:32
[INFO] [stdout]     |
[INFO] [stdout] 288 |         Box::new(|val, mx| log(val as f64, 0.01) / log(mx as f64, 0.01)),
[INFO] [stdout]     |                                ^^^^^^^^^^ help: try: `val`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`f64` -> `f64`)
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:288:56
[INFO] [stdout]     |
[INFO] [stdout] 288 |         Box::new(|val, mx| log(val as f64, 0.01) / log(mx as f64, 0.01)),
[INFO] [stdout]     |                                                        ^^^^^^^^^ help: try: `mx`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:296:13
[INFO] [stdout]     |
[INFO] [stdout] 296 |             return 0.0;
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 296 -             return 0.0;
[INFO] [stdout] 296 +             0.0
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking trajectory-render v0.1.0 (/opt/rustwide/workdir/trajectory-render)
[INFO] [stderr]     Checking trajectory-gen v0.1.0 (/opt/rustwide/workdir/trajectory-gen)
[INFO] [stdout] warning: using `clone` on type `usize` which implements the `Copy` trait
[INFO] [stdout]   --> trajectory-gen/src/main.rs:83:17
[INFO] [stdout]    |
[INFO] [stdout] 83 |         let t = trajs.clone();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^ help: try dereferencing it: `*trajs`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout]    = note: `#[warn(clippy::clone_on_copy)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `usize` which implements the `Copy` trait
[INFO] [stdout]   --> trajectory-gen/src/main.rs:83:17
[INFO] [stdout]    |
[INFO] [stdout] 83 |         let t = trajs.clone();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^ help: try dereferencing it: `*trajs`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout]    = note: `#[warn(clippy::clone_on_copy)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> trajectory-gen/src/main.rs:124:5
[INFO] [stdout]     |
[INFO] [stdout] 124 |     return false;
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]     = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 124 -     return false;
[INFO] [stdout] 124 +     false
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> trajectory-gen/src/main.rs:124:5
[INFO] [stdout]     |
[INFO] [stdout] 124 |     return false;
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]     = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 124 -     return false;
[INFO] [stdout] 124 +     false
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> trajectory-gen/src/main.rs:181:23
[INFO] [stdout]     |
[INFO] [stdout] 181 |         if escaped && !(trajectory.length < min_iterations) {
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `(trajectory.length >= min_iterations)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]     = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> trajectory-gen/src/main.rs:181:23
[INFO] [stdout]     |
[INFO] [stdout] 181 |         if escaped && !(trajectory.length < min_iterations) {
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `(trajectory.length >= min_iterations)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]     = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`i64` -> `i64`)
[INFO] [stdout]    --> trajectory-gen/src/main.rs:161:33
[INFO] [stdout]     |
[INFO] [stdout] 161 |             trajectory.length = itercount as i64;
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^ help: try: `itercount`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout]     = note: `#[warn(clippy::unnecessary_cast)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`i64` -> `i64`)
[INFO] [stdout]    --> trajectory-gen/src/main.rs:161:33
[INFO] [stdout]     |
[INFO] [stdout] 161 |             trajectory.length = itercount as i64;
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^ help: try: `itercount`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout]     = note: `#[warn(clippy::unnecessary_cast)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of a legacy numeric constant
[INFO] [stdout]    --> trajectory-render/src/main.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout] 105 |             std::i64::MAX,
[INFO] [stdout]     |             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
[INFO] [stdout]     = note: `#[warn(clippy::legacy_numeric_constants)]` on by default
[INFO] [stdout] help: use the associated constant instead
[INFO] [stdout]     |
[INFO] [stdout] 105 -             std::i64::MAX,
[INFO] [stdout] 105 +             i64::MAX,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`f64` -> `f64`)
[INFO] [stdout]    --> trajectory-render/src/main.rs:167:19
[INFO] [stdout]     |
[INFO] [stdout] 167 |         ppm::fexp(val as f64, 0.100) / ppm::fexp(mx as f64, 0.100)
[INFO] [stdout]     |                   ^^^^^^^^^^ help: try: `val`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout]     = note: `#[warn(clippy::unnecessary_cast)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`f64` -> `f64`)
[INFO] [stdout]    --> trajectory-render/src/main.rs:167:50
[INFO] [stdout]     |
[INFO] [stdout] 167 |         ppm::fexp(val as f64, 0.100) / ppm::fexp(mx as f64, 0.100)
[INFO] [stdout]     |                                                  ^^^^^^^^^ help: try: `mx`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> trajectory-render/src/main.rs:185:5
[INFO] [stdout]     |
[INFO] [stdout] 185 |     return false;
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]     = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 185 -     return false;
[INFO] [stdout] 185 +     false
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of a legacy numeric constant
[INFO] [stdout]    --> trajectory-render/src/main.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout] 105 |             std::i64::MAX,
[INFO] [stdout]     |             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
[INFO] [stdout]     = note: `#[warn(clippy::legacy_numeric_constants)]` on by default
[INFO] [stdout] help: use the associated constant instead
[INFO] [stdout]     |
[INFO] [stdout] 105 -             std::i64::MAX,
[INFO] [stdout] 105 +             i64::MAX,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this loop could be written as a `while let` loop
[INFO] [stdout]    --> trajectory-render/src/main.rs:193:5
[INFO] [stdout]     |
[INFO] [stdout] 193 | /     loop {
[INFO] [stdout] 194 | |         let old_traj: Trajectory = match receive_traj.try_recv() {
[INFO] [stdout] 195 | |             Ok(t) => t,
[INFO] [stdout] 196 | |             Err(_) => {
[INFO] [stdout] ...   |
[INFO] [stdout] 246 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_loop
[INFO] [stdout]     = note: `#[warn(clippy::while_let_loop)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 193 ~     while let Ok(t) = receive_traj.try_recv() {
[INFO] [stdout] 194 +         let old_traj: Trajectory = t;
[INFO] [stdout] 195 +         ..
[INFO] [stdout] 196 +     }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`i64` -> `i64`)
[INFO] [stdout]    --> trajectory-render/src/main.rs:213:33
[INFO] [stdout]     |
[INFO] [stdout] 213 |             trajectory.length = itercount as i64;
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^ help: try: `itercount`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`f64` -> `f64`)
[INFO] [stdout]    --> trajectory-render/src/main.rs:167:19
[INFO] [stdout]     |
[INFO] [stdout] 167 |         ppm::fexp(val as f64, 0.100) / ppm::fexp(mx as f64, 0.100)
[INFO] [stdout]     |                   ^^^^^^^^^^ help: try: `val`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout]     = note: `#[warn(clippy::unnecessary_cast)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`f64` -> `f64`)
[INFO] [stdout]    --> trajectory-render/src/main.rs:167:50
[INFO] [stdout]     |
[INFO] [stdout] 167 |         ppm::fexp(val as f64, 0.100) / ppm::fexp(mx as f64, 0.100)
[INFO] [stdout]     |                                                  ^^^^^^^^^ help: try: `mx`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> trajectory-render/src/main.rs:185:5
[INFO] [stdout]     |
[INFO] [stdout] 185 |     return false;
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]     = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 185 -     return false;
[INFO] [stdout] 185 +     false
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `Complex` which implements the `Copy` trait
[INFO] [stdout]    --> trajectory-render/src/main.rs:222:24
[INFO] [stdout]     |
[INFO] [stdout] 222 |                 point: z.clone(),
[INFO] [stdout]     |                        ^^^^^^^^^ help: try removing the `clone` call: `z`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout]     = note: `#[warn(clippy::clone_on_copy)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this loop could be written as a `while let` loop
[INFO] [stdout]    --> trajectory-render/src/main.rs:193:5
[INFO] [stdout]     |
[INFO] [stdout] 193 | /     loop {
[INFO] [stdout] 194 | |         let old_traj: Trajectory = match receive_traj.try_recv() {
[INFO] [stdout] 195 | |             Ok(t) => t,
[INFO] [stdout] 196 | |             Err(_) => {
[INFO] [stdout] ...   |
[INFO] [stdout] 246 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_loop
[INFO] [stdout]     = note: `#[warn(clippy::while_let_loop)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 193 ~     while let Ok(t) = receive_traj.try_recv() {
[INFO] [stdout] 194 +         let old_traj: Trajectory = t;
[INFO] [stdout] 195 +         ..
[INFO] [stdout] 196 +     }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> trajectory-render/src/main.rs:273:5
[INFO] [stdout]     |
[INFO] [stdout] 273 |     return (xp as i64, yp as i64);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 273 -     return (xp as i64, yp as i64);
[INFO] [stdout] 273 +     (xp as i64, yp as i64)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`i64` -> `i64`)
[INFO] [stdout]    --> trajectory-render/src/main.rs:213:33
[INFO] [stdout]     |
[INFO] [stdout] 213 |             trajectory.length = itercount as i64;
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^ help: try: `itercount`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `Complex` which implements the `Copy` trait
[INFO] [stdout]    --> trajectory-render/src/main.rs:222:24
[INFO] [stdout]     |
[INFO] [stdout] 222 |                 point: z.clone(),
[INFO] [stdout]     |                        ^^^^^^^^^ help: try removing the `clone` call: `z`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout]     = note: `#[warn(clippy::clone_on_copy)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> trajectory-render/src/main.rs:273:5
[INFO] [stdout]     |
[INFO] [stdout] 273 |     return (xp as i64, yp as i64);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 273 -     return (xp as i64, yp as i64);
[INFO] [stdout] 273 +     (xp as i64, yp as i64)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.30s
[INFO] running `Command { std: "docker" "inspect" "f49c180d118395cd73d855998f18ba47a67fc5c5b2c3d258f03f6fd5d2b4ff2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f49c180d118395cd73d855998f18ba47a67fc5c5b2c3d258f03f6fd5d2b4ff2b", kill_on_drop: false }`
[INFO] [stdout] f49c180d118395cd73d855998f18ba47a67fc5c5b2c3d258f03f6fd5d2b4ff2b