[INFO] updating cached repository ProgramFOX/winning-chances-lichess
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ProgramFOX/winning-chances-lichess
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ProgramFOX/winning-chances-lichess" "work/ex/clippy-test-run/sources/stable/gh/ProgramFOX/winning-chances-lichess"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/ProgramFOX/winning-chances-lichess'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ProgramFOX/winning-chances-lichess" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/ProgramFOX/winning-chances-lichess"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/ProgramFOX/winning-chances-lichess'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7cc7145bfe860e6ead3f5aaae41117d6ca3b21c8
[INFO] sha for GitHub repo ProgramFOX/winning-chances-lichess: 7cc7145bfe860e6ead3f5aaae41117d6ca3b21c8
[INFO] validating manifest of ProgramFOX/winning-chances-lichess on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ProgramFOX/winning-chances-lichess on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ProgramFOX/winning-chances-lichess
[INFO] finished frobbing ProgramFOX/winning-chances-lichess
[INFO] frobbed toml for ProgramFOX/winning-chances-lichess written to work/ex/clippy-test-run/sources/stable/gh/ProgramFOX/winning-chances-lichess/Cargo.toml
[INFO] started frobbing ProgramFOX/winning-chances-lichess
[INFO] finished frobbing ProgramFOX/winning-chances-lichess
[INFO] frobbed toml for ProgramFOX/winning-chances-lichess written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/ProgramFOX/winning-chances-lichess/Cargo.toml
[INFO] crate ProgramFOX/winning-chances-lichess has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting ProgramFOX/winning-chances-lichess against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/ProgramFOX/winning-chances-lichess:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dclippy::into_iter_on_array" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b022e21337f0244fdbe9cecb355309e60ce430caa51cf07c46132e40a7a17509
[INFO] running `"docker" "start" "-a" "b022e21337f0244fdbe9cecb355309e60ce430caa51cf07c46132e40a7a17509"`
[INFO] [stderr]     Checking winning-chances v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> lib.rs:129:28
[INFO] [stderr]     |
[INFO] [stderr] 129 |             if processed % 100000 == 0 {
[INFO] [stderr]     |                            ^^^^^^ help: consider: `100_000`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> lib.rs:129:28
[INFO] [stderr]     |
[INFO] [stderr] 129 |             if processed % 100000 == 0 {
[INFO] [stderr]     |                            ^^^^^^ help: consider: `100_000`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> lib.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |         (self.value as f64) / (self.total as f64)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(self.value)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> lib.rs:26:31
[INFO] [stderr]    |
[INFO] [stderr] 26 |         (self.value as f64) / (self.total as f64)
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(self.total)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]   --> lib.rs:45:38
[INFO] [stderr]    |
[INFO] [stderr] 45 |                 new_set.insert(*key, other.get(key).unwrap().clone());
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&other[key]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::get_unwrap)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]   --> lib.rs:47:50
[INFO] [stderr]    |
[INFO] [stderr] 47 |                   *new_set.get_mut(key).unwrap() = new_set
[INFO] [stderr]    |  __________________________________________________^
[INFO] [stderr] 48 | |                     .get(key)
[INFO] [stderr] 49 | |                     .unwrap()
[INFO] [stderr]    | |_____________________________^ help: try this: `&new_set[key]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]   --> lib.rs:51:32
[INFO] [stderr]    |
[INFO] [stderr] 51 |                     .aggregate(other.get(key).unwrap().clone());
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&other[key]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> lib.rs:124:33
[INFO] [stderr]     |
[INFO] [stderr] 124 |             let tc = line.split("\"").nth(1).unwrap();
[INFO] [stderr]     |                                 ^^^^ help: try using a char instead: `'\"'`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> lib.rs:133:34
[INFO] [stderr]     |
[INFO] [stderr] 133 |             rating1 = line.split("\"").nth(1).unwrap().parse().unwrap();
[INFO] [stderr]     |                                  ^^^^ help: try using a char instead: `'\"'`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> lib.rs:135:34
[INFO] [stderr]     |
[INFO] [stderr] 135 |             rating2 = line.split("\"").nth(1).unwrap().parse().unwrap();
[INFO] [stderr]     |                                  ^^^^ help: try using a char instead: `'\"'`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> lib.rs:137:41
[INFO] [stderr]     |
[INFO] [stderr] 137 |             let result_str = line.split("\"").nth(1).unwrap();
[INFO] [stderr]     |                                         ^^^^ help: try using a char instead: `'\"'`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> lib.rs:147:30
[INFO] [stderr]     |
[INFO] [stderr] 147 |         if !line.starts_with("[") && !skip && result_white_pov != GameResult::Unfinished
[INFO] [stderr]     |                              ^^^ help: try using a char instead: `'['`
[INFO] [stderr]     |
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> lib.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |         (self.value as f64) / (self.total as f64)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(self.value)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> lib.rs:26:31
[INFO] [stderr]    |
[INFO] [stderr] 26 |         (self.value as f64) / (self.total as f64)
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(self.total)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: usage of `contains_key` followed by `insert` on a `HashMap`
[INFO] [stderr]    --> lib.rs:162:13
[INFO] [stderr]     |
[INFO] [stderr] 162 | /             if !wins.contains_key(&rating_diff) {
[INFO] [stderr] 163 | |                 wins.insert(rating_diff, Datapoint { value: 0, total: 0 });
[INFO] [stderr] 164 | |             }
[INFO] [stderr]     | |_____________^ help: consider using: `wins.entry(rating_diff).or_insert(Datapoint { value: 0, total: 0 })`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::map_entry)] on by default
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]   --> lib.rs:45:38
[INFO] [stderr]    |
[INFO] [stderr] 45 |                 new_set.insert(*key, other.get(key).unwrap().clone());
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&other[key]`
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_entry
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::get_unwrap)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]   --> lib.rs:47:50
[INFO] [stderr]    |
[INFO] [stderr] 47 |                   *new_set.get_mut(key).unwrap() = new_set
[INFO] [stderr]    |  __________________________________________________^
[INFO] [stderr] 48 | |                     .get(key)
[INFO] [stderr] 49 | |                     .unwrap()
[INFO] [stderr]    | |_____________________________^ help: try this: `&new_set[key]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]   --> lib.rs:51:32
[INFO] [stderr]    |
[INFO] [stderr] 51 |                     .aggregate(other.get(key).unwrap().clone());
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&other[key]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: usage of `contains_key` followed by `insert` on a `HashMap`
[INFO] [stderr]    --> lib.rs:166:13
[INFO] [stderr]     |
[INFO] [stderr] 166 | /             if !draws.contains_key(&rating_diff) {
[INFO] [stderr] 167 | |                 draws.insert(rating_diff, Datapoint { value: 0, total: 0 });
[INFO] [stderr] 168 | |             }
[INFO] [stderr]     | |_____________^ help: consider using: `draws.entry(rating_diff).or_insert(Datapoint { value: 0, total: 0 })`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_entry
[INFO] [stderr] 
[INFO] [stderr] warning: usage of `contains_key` followed by `insert` on a `HashMap`
[INFO] [stderr]    --> lib.rs:170:13
[INFO] [stderr]     |
[INFO] [stderr] 170 | /             if !losses.contains_key(&rating_diff) {
[INFO] [stderr] 171 | |                 losses.insert(rating_diff, Datapoint { value: 0, total: 0 });
[INFO] [stderr] 172 | |             }
[INFO] [stderr]     | |_____________^ help: consider using: `losses.entry(rating_diff).or_insert(Datapoint { value: 0, total: 0 })`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_entry
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> lib.rs:194:30
[INFO] [stderr]     |
[INFO] [stderr] 194 |     if !timecontrol.contains("+") {
[INFO] [stderr]     |                              ^^^ help: try using a char instead: `'+'`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> lib.rs:198:39
[INFO] [stderr]     |
[INFO] [stderr] 198 |     let mut parts = timecontrol.split("+");
[INFO] [stderr]     |                                       ^^^ help: try using a char instead: `'+'`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> lib.rs:217:21
[INFO] [stderr]     |
[INFO] [stderr] 217 |         let point = data.wins.get(key).unwrap();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&data.wins[key]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> lib.rs:124:33
[INFO] [stderr]     |
[INFO] [stderr] 124 |             let tc = line.split("\"").nth(1).unwrap();
[INFO] [stderr]     |                                 ^^^^ help: try using a char instead: `'\"'`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> lib.rs:133:34
[INFO] [stderr]     |
[INFO] [stderr] 133 |             rating1 = line.split("\"").nth(1).unwrap().parse().unwrap();
[INFO] [stderr]     |                                  ^^^^ help: try using a char instead: `'\"'`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> lib.rs:135:34
[INFO] [stderr]     |
[INFO] [stderr] 135 |             rating2 = line.split("\"").nth(1).unwrap().parse().unwrap();
[INFO] [stderr]     |                                  ^^^^ help: try using a char instead: `'\"'`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> lib.rs:137:41
[INFO] [stderr]     |
[INFO] [stderr] 137 |             let result_str = line.split("\"").nth(1).unwrap();
[INFO] [stderr]     |                                         ^^^^ help: try using a char instead: `'\"'`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> lib.rs:238:21
[INFO] [stderr]     |
[INFO] [stderr] 238 |         let point = data.draws.get(key).unwrap();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&data.draws[key]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> lib.rs:259:21
[INFO] [stderr]     |
[INFO] [stderr] 259 |         let point = data.losses.get(key).unwrap();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&data.losses[key]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> lib.rs:147:30
[INFO] [stderr]     |
[INFO] [stderr] 147 |         if !line.starts_with("[") && !skip && result_white_pov != GameResult::Unfinished
[INFO] [stderr]     |                              ^^^ help: try using a char instead: `'['`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: usage of `contains_key` followed by `insert` on a `HashMap`
[INFO] [stderr]    --> lib.rs:162:13
[INFO] [stderr]     |
[INFO] [stderr] 162 | /             if !wins.contains_key(&rating_diff) {
[INFO] [stderr] 163 | |                 wins.insert(rating_diff, Datapoint { value: 0, total: 0 });
[INFO] [stderr] 164 | |             }
[INFO] [stderr]     | |_____________^ help: consider using: `wins.entry(rating_diff).or_insert(Datapoint { value: 0, total: 0 })`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::map_entry)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_entry
[INFO] [stderr] 
[INFO] [stderr] warning: usage of `contains_key` followed by `insert` on a `HashMap`
[INFO] [stderr]    --> lib.rs:166:13
[INFO] [stderr]     |
[INFO] [stderr] 166 | /             if !draws.contains_key(&rating_diff) {
[INFO] [stderr] 167 | |                 draws.insert(rating_diff, Datapoint { value: 0, total: 0 });
[INFO] [stderr] 168 | |             }
[INFO] [stderr]     | |_____________^ help: consider using: `draws.entry(rating_diff).or_insert(Datapoint { value: 0, total: 0 })`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_entry
[INFO] [stderr] 
[INFO] [stderr] warning: usage of `contains_key` followed by `insert` on a `HashMap`
[INFO] [stderr]    --> lib.rs:170:13
[INFO] [stderr]     |
[INFO] [stderr] 170 | /             if !losses.contains_key(&rating_diff) {
[INFO] [stderr] 171 | |                 losses.insert(rating_diff, Datapoint { value: 0, total: 0 });
[INFO] [stderr] 172 | |             }
[INFO] [stderr]     | |_____________^ help: consider using: `losses.entry(rating_diff).or_insert(Datapoint { value: 0, total: 0 })`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_entry
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> lib.rs:194:30
[INFO] [stderr]     |
[INFO] [stderr] 194 |     if !timecontrol.contains("+") {
[INFO] [stderr]     |                              ^^^ help: try using a char instead: `'+'`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> lib.rs:198:39
[INFO] [stderr]     |
[INFO] [stderr] 198 |     let mut parts = timecontrol.split("+");
[INFO] [stderr]     |                                       ^^^ help: try using a char instead: `'+'`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> lib.rs:217:21
[INFO] [stderr]     |
[INFO] [stderr] 217 |         let point = data.wins.get(key).unwrap();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&data.wins[key]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> lib.rs:238:21
[INFO] [stderr]     |
[INFO] [stderr] 238 |         let point = data.draws.get(key).unwrap();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&data.draws[key]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> lib.rs:259:21
[INFO] [stderr]     |
[INFO] [stderr] 259 |         let point = data.losses.get(key).unwrap();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&data.losses[key]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> main.rs:15:36
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let files = files.trim().split(",");
[INFO] [stderr]    |                                    ^^^ help: try using a char instead: `','`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> main.rs:15:36
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let files = files.trim().split(",");
[INFO] [stderr]    |                                    ^^^ help: try using a char instead: `','`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `"docker" "inspect" "b022e21337f0244fdbe9cecb355309e60ce430caa51cf07c46132e40a7a17509"`
[INFO] running `"docker" "rm" "-f" "b022e21337f0244fdbe9cecb355309e60ce430caa51cf07c46132e40a7a17509"`
[INFO] [stdout] b022e21337f0244fdbe9cecb355309e60ce430caa51cf07c46132e40a7a17509