[INFO] updating cached repository danielbusaba/affinity_new
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/danielbusaba/affinity_new
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/danielbusaba/affinity_new" "work/ex/clippy-test-run/sources/stable/gh/danielbusaba/affinity_new"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/danielbusaba/affinity_new'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/danielbusaba/affinity_new" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/danielbusaba/affinity_new"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/danielbusaba/affinity_new'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f1aefd2bc322f4409be92e8f94f3d4163bbcc352
[INFO] sha for GitHub repo danielbusaba/affinity_new: f1aefd2bc322f4409be92e8f94f3d4163bbcc352
[INFO] validating manifest of danielbusaba/affinity_new 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 danielbusaba/affinity_new 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 danielbusaba/affinity_new
[INFO] finished frobbing danielbusaba/affinity_new
[INFO] frobbed toml for danielbusaba/affinity_new written to work/ex/clippy-test-run/sources/stable/gh/danielbusaba/affinity_new/Cargo.toml
[INFO] started frobbing danielbusaba/affinity_new
[INFO] finished frobbing danielbusaba/affinity_new
[INFO] frobbed toml for danielbusaba/affinity_new written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/danielbusaba/affinity_new/Cargo.toml
[INFO] crate danielbusaba/affinity_new 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 danielbusaba/affinity_new 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-3/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/danielbusaba/affinity_new:/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] 68712ae4dcbc93c3dce596f9091712e1d790dd434a152e8c9e4ee32e18c91f50
[INFO] running `"docker" "start" "-a" "68712ae4dcbc93c3dce596f9091712e1d790dd434a152e8c9e4ee32e18c91f50"`
[INFO] [stderr]     Checking affinity_new v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]    --> src/main.rs:300:49
[INFO] [stderr]     |
[INFO] [stderr] 300 |             println!("affinity{}({}, {}) = {}", 2, t.0, t.1, affinity);
[INFO] [stderr]     |                                                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::print_literal)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]    --> src/main.rs:305:49
[INFO] [stderr]     |
[INFO] [stderr] 305 |             println!("affinity{}({}, {}) = {}", 2, t.0, t.1, affinity);
[INFO] [stderr]     |                                                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]    --> src/main.rs:300:49
[INFO] [stderr]     |
[INFO] [stderr] 300 |             println!("affinity{}({}, {}) = {}", 2, t.0, t.1, affinity);
[INFO] [stderr]     |                                                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::print_literal)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]    --> src/main.rs:305:49
[INFO] [stderr]     |
[INFO] [stderr] 305 |             println!("affinity{}({}, {}) = {}", 2, t.0, t.1, affinity);
[INFO] [stderr]     |                                                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_literal
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:70:5
[INFO] [stderr]    |
[INFO] [stderr] 70 |     return trace;
[INFO] [stderr]    |     ^^^^^^^^^^^^^ help: remove `return` as shown: `trace`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `num` is never read
[INFO] [stderr]   --> src/main.rs:77:17
[INFO] [stderr]    |
[INFO] [stderr] 77 |         let mut num = 0;
[INFO] [stderr]    |                 ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `temp` is never read
[INFO] [stderr]    --> src/main.rs:121:17
[INFO] [stderr]     |
[INFO] [stderr] 121 |         let mut temp = 0;
[INFO] [stderr]     |                 ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `temp` is never read
[INFO] [stderr]    --> src/main.rs:145:25
[INFO] [stderr]     |
[INFO] [stderr] 145 |                 let mut temp = 0;
[INFO] [stderr]     |                         ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `temp` is never read
[INFO] [stderr]    --> src/main.rs:194:25
[INFO] [stderr]     |
[INFO] [stderr] 194 |                 let mut temp = 0;
[INFO] [stderr]     |                         ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `temp` is never read
[INFO] [stderr]    --> src/main.rs:255:25
[INFO] [stderr]     |
[INFO] [stderr] 255 |                 let mut temp = 0;
[INFO] [stderr]     |                         ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:70:5
[INFO] [stderr]    |
[INFO] [stderr] 70 |     return trace;
[INFO] [stderr]    |     ^^^^^^^^^^^^^ help: remove `return` as shown: `trace`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/main.rs:73:20
[INFO] [stderr]    |
[INFO] [stderr] 73 | fn get_size(trace: &Vec<char>, start: usize) -> usize   //Inputs time window size
[INFO] [stderr]    |                    ^^^^^^^^^^ help: change this to: `&[char]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/main.rs:112:24
[INFO] [stderr]     |
[INFO] [stderr] 112 | fn get_affinity(trace: &Vec<char>, size: usize) //Finds all pair affinities given a trace and a time window, completes in n * m time (n is trace length, m is number of unique characters)
[INFO] [stderr]     |                        ^^^^^^^^^^ help: change this to: `&[char]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 29
[INFO] [stderr]    --> src/main.rs:112:1
[INFO] [stderr]     |
[INFO] [stderr] 112 | / fn get_affinity(trace: &Vec<char>, size: usize) //Finds all pair affinities given a trace and a time window, completes in n * m time (n is trace length, m is number of unique characters)
[INFO] [stderr] 113 | | {
[INFO] [stderr] 114 | |     let mut single_frequencies: HashMap<char, usize> = HashMap::new();  //Stores the single frequencies of each unique trace character
[INFO] [stderr] 115 | |     let mut last_seen: HashMap<char, usize> = HashMap::new();   //Stores the last index a unique trace element was seen
[INFO] [stderr] ...   |
[INFO] [stderr] 307 | |     }
[INFO] [stderr] 308 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cyclomatic_complexity)] on by default
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/main.rs:124:20
[INFO] [stderr]     |
[INFO] [stderr] 124 |             temp = single_frequencies.get(&c).unwrap().clone(); //Retreives prior frequency
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*single_frequencies.get(&c).unwrap()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/main.rs:124:20
[INFO] [stderr]     |
[INFO] [stderr] 124 |             temp = single_frequencies.get(&c).unwrap().clone(); //Retreives prior frequency
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&single_frequencies[&c]`
[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]    --> src/main.rs:125:32
[INFO] [stderr]     |
[INFO] [stderr] 125 |             let distance = i - last_seen.get(&c).unwrap();  //Finds the time between current and last sighting of the trace character
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&last_seen[&c]`
[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: manual implementation of an assign operation
[INFO] [stderr]    --> src/main.rs:126:13
[INFO] [stderr]     |
[INFO] [stderr] 126 |             temp = temp + distance;  //Sets new single frequency to the time since last seen added to the prior frequency
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `temp += distance`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/main.rs:135:13
[INFO] [stderr]     |
[INFO] [stderr] 135 |             temp = temp - 1;    //Decrements single frequency by 1
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^ help: replace it with: `temp -= 1`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/main.rs:142:32
[INFO] [stderr]     |
[INFO] [stderr] 142 |             let distance = i - last_seen.get(j).unwrap();   //Finds the time between current time and the last time the trace sub-element was seen
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&last_seen[j]`
[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]    --> src/main.rs:148:29
[INFO] [stderr]     |
[INFO] [stderr] 148 |                     temp = *joint_frequencies.get(&Tuple(c, *j)).unwrap();  //Retreives prior frequency
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&joint_frequencies[&Tuple(c, *j)]`
[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]    --> src/main.rs:149:36
[INFO] [stderr]     |
[INFO] [stderr] 149 |                     let last = i - last_seen.get(&c).unwrap();  //Finds time between current time and last time the trace element was seen
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&last_seen[&c]`
[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: manual implementation of an assign operation
[INFO] [stderr]    --> src/main.rs:153:25
[INFO] [stderr]     |
[INFO] [stderr] 153 |                         temp = temp - last; //Subtracts off the time between the current time and the last time the trace element was seen
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^ help: replace it with: `temp -= last`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `trace`
[INFO] [stderr]    --> src/main.rs:167:14
[INFO] [stderr]     |
[INFO] [stderr] 167 |     for i in size .. trace.len() - size //Iterates from the end of the first time window to th beggining of the last time window
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 167 |     for (i, <item>) in trace.iter().enumerate().take(trace.len() - size).skip(size) //Iterates from the end of the first time window to th beggining of the last time window
[INFO] [stderr]     |         ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: usage of `contains_key` followed by `insert` on a `HashMap`
[INFO] [stderr]    --> src/main.rs:170:9
[INFO] [stderr]     |
[INFO] [stderr] 170 | /         if single_frequencies.contains_key(&c)  //Checks if current character has been seen before
[INFO] [stderr] 171 | |         {
[INFO] [stderr] 172 | |             let mut temp = single_frequencies.get(&c).unwrap().clone(); //Retreives prior frequency
[INFO] [stderr] 173 | |             let distance = i - last_seen.get(&c).unwrap();  //Finds the time between current and last sighting of the trace character
[INFO] [stderr] ...   |
[INFO] [stderr] 186 | |             single_frequencies.insert(c, size);
[INFO] [stderr] 187 | |         }
[INFO] [stderr]     | |_________^ help: consider using: `single_frequencies.entry(c)`
[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: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/main.rs:172:28
[INFO] [stderr]     |
[INFO] [stderr] 172 |             let mut temp = single_frequencies.get(&c).unwrap().clone(); //Retreives prior frequency
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*single_frequencies.get(&c).unwrap()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/main.rs:172:28
[INFO] [stderr]     |
[INFO] [stderr] 172 |             let mut temp = single_frequencies.get(&c).unwrap().clone(); //Retreives prior frequency
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&single_frequencies[&c]`
[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]    --> src/main.rs:173:32
[INFO] [stderr]     |
[INFO] [stderr] 173 |             let distance = i - last_seen.get(&c).unwrap();  //Finds the time between current and last sighting of the trace character
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&last_seen[&c]`
[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: manual implementation of an assign operation
[INFO] [stderr]    --> src/main.rs:176:17
[INFO] [stderr]     |
[INFO] [stderr] 176 |                 temp = temp + size; //Adds the window size to the prior frequency
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^ help: replace it with: `temp += size`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/main.rs:180:17
[INFO] [stderr]     |
[INFO] [stderr] 180 |                 temp = temp + distance;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `temp += distance`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/main.rs:191:32
[INFO] [stderr]     |
[INFO] [stderr] 191 |             let distance = i - last_seen.get(j).unwrap();   //Finds the time between current time and the last time the trace sub-element was seen
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&last_seen[j]`
[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]    --> src/main.rs:197:29
[INFO] [stderr]     |
[INFO] [stderr] 197 |                     temp = *joint_frequencies.get(&Tuple(c, *j)).unwrap();  //Retreives prior frequency
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&joint_frequencies[&Tuple(c, *j)]`
[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]    --> src/main.rs:198:36
[INFO] [stderr]     |
[INFO] [stderr] 198 |                     let last = i - last_seen.get(&c).unwrap();  //Finds time between current time and last time the trace element was seen
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&last_seen[&c]`
[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: manual implementation of an assign operation
[INFO] [stderr]    --> src/main.rs:202:25
[INFO] [stderr]     |
[INFO] [stderr] 202 |                         temp = temp - last; //Subtracts off the time between the current time and the last time the trace element was seen
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^ help: replace it with: `temp -= last`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: usage of `contains_key` followed by `insert` on a `HashMap`
[INFO] [stderr]    --> src/main.rs:226:9
[INFO] [stderr]     |
[INFO] [stderr] 226 | /         if single_frequencies.contains_key(&c)  //Checks if current character has been seen before
[INFO] [stderr] 227 | |         {
[INFO] [stderr] 228 | |             let mut temp = single_frequencies.get(&c).unwrap().clone(); //Retreives prior frequency
[INFO] [stderr] 229 | |             let distance = i - last_seen.get(&c).unwrap();  //Finds the time between current and last sighting of the trace character
[INFO] [stderr] ...   |
[INFO] [stderr] 247 | |             single_frequencies.insert(c, index);
[INFO] [stderr] 248 | |         }
[INFO] [stderr]     | |_________^ help: consider using: `single_frequencies.entry(c)`
[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: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/main.rs:228:28
[INFO] [stderr]     |
[INFO] [stderr] 228 |             let mut temp = single_frequencies.get(&c).unwrap().clone(); //Retreives prior frequency
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*single_frequencies.get(&c).unwrap()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/main.rs:228:28
[INFO] [stderr]     |
[INFO] [stderr] 228 |             let mut temp = single_frequencies.get(&c).unwrap().clone(); //Retreives prior frequency
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&single_frequencies[&c]`
[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]    --> src/main.rs:229:32
[INFO] [stderr]     |
[INFO] [stderr] 229 |             let distance = i - last_seen.get(&c).unwrap();  //Finds the time between current and last sighting of the trace character
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&last_seen[&c]`
[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: manual implementation of an assign operation
[INFO] [stderr]    --> src/main.rs:232:17
[INFO] [stderr]     |
[INFO] [stderr] 232 |                 temp = temp + index;    //Adds the distance to the end of the trace to the prior frequency
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^ help: replace it with: `temp += index`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/main.rs:236:17
[INFO] [stderr]     |
[INFO] [stderr] 236 |                 temp = temp + distance;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `temp += distance`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/main.rs:239:21
[INFO] [stderr]     |
[INFO] [stderr] 239 |                     temp = temp - 1;    //Decrements the joint frequency by 1
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^ help: replace it with: `temp -= 1`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/main.rs:252:32
[INFO] [stderr]     |
[INFO] [stderr] 252 |             let distance = i - last_seen.get(j).unwrap();   //Finds the time between current time and the last time the trace sub-element was seen
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&last_seen[j]`
[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]    --> src/main.rs:258:29
[INFO] [stderr]     |
[INFO] [stderr] 258 |                     temp = *joint_frequencies.get(&Tuple(c, *j)).unwrap();  //Finds time between current time and last time the trace element was seen
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&joint_frequencies[&Tuple(c, *j)]`
[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]    --> src/main.rs:259:36
[INFO] [stderr]     |
[INFO] [stderr] 259 |                     let last = i - last_seen.get(&c).unwrap();  //Finds time between current time and last time the trace element was seen
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&last_seen[&c]`
[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: manual implementation of an assign operation
[INFO] [stderr]    --> src/main.rs:264:25
[INFO] [stderr]     |
[INFO] [stderr] 264 |                         temp = temp - last; //Subtracts off the time between the current time and the last time the trace element was seen
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^ help: replace it with: `temp -= last`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/main.rs:269:25
[INFO] [stderr]     |
[INFO] [stderr] 269 |                         temp = temp - (size - index - 1);   //Subtracts off the one less than the difference between the window size and the distance to the end of the trace
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `temp -= (size - index - 1)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/main.rs:285:31
[INFO] [stderr]     |
[INFO] [stderr] 285 |         println!("{}: {}", k, single_frequencies.get(k).unwrap());
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&single_frequencies[k]`
[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]    --> src/main.rs:290:44
[INFO] [stderr]     |
[INFO] [stderr] 290 |         println!("({}, {}): {}", t.0, t.1, joint_frequencies.get(t).unwrap());
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&joint_frequencies[t]`
[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]    --> src/main.rs:295:17
[INFO] [stderr]     |
[INFO] [stderr] 295 |         let a = single_frequencies.get(&t.0).unwrap();  //Retreives single frequency for first character
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&single_frequencies[&t.0]`
[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]    --> src/main.rs:296:17
[INFO] [stderr]     |
[INFO] [stderr] 296 |         let b = single_frequencies.get(&t.1).unwrap();  //Retreives single frequency for second character
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&single_frequencies[&t.1]`
[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]    --> src/main.rs:299:29
[INFO] [stderr]     |
[INFO] [stderr] 299 |             let affinity = *joint_frequencies.get(t).unwrap() as f32 / *a as f32;   //Sets affinity to the quotient of the joint frequency and the larger single frequency
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&joint_frequencies[t]`
[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]    --> src/main.rs:304:29
[INFO] [stderr]     |
[INFO] [stderr] 304 |             let affinity = *joint_frequencies.get(t).unwrap() as f32 / *b as f32;   //Sets affinity to the quotient of the joint frequency and the larger single frequency
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&joint_frequencies[t]`
[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: value assigned to `num` is never read
[INFO] [stderr]   --> src/main.rs:77:17
[INFO] [stderr]    |
[INFO] [stderr] 77 |         let mut num = 0;
[INFO] [stderr]    |                 ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `temp` is never read
[INFO] [stderr]    --> src/main.rs:121:17
[INFO] [stderr]     |
[INFO] [stderr] 121 |         let mut temp = 0;
[INFO] [stderr]     |                 ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `temp` is never read
[INFO] [stderr]    --> src/main.rs:145:25
[INFO] [stderr]     |
[INFO] [stderr] 145 |                 let mut temp = 0;
[INFO] [stderr]     |                         ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `temp` is never read
[INFO] [stderr]    --> src/main.rs:194:25
[INFO] [stderr]     |
[INFO] [stderr] 194 |                 let mut temp = 0;
[INFO] [stderr]     |                         ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `temp` is never read
[INFO] [stderr]    --> src/main.rs:255:25
[INFO] [stderr]     |
[INFO] [stderr] 255 |                 let mut temp = 0;
[INFO] [stderr]     |                         ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/main.rs:73:20
[INFO] [stderr]    |
[INFO] [stderr] 73 | fn get_size(trace: &Vec<char>, start: usize) -> usize   //Inputs time window size
[INFO] [stderr]    |                    ^^^^^^^^^^ help: change this to: `&[char]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/main.rs:112:24
[INFO] [stderr]     |
[INFO] [stderr] 112 | fn get_affinity(trace: &Vec<char>, size: usize) //Finds all pair affinities given a trace and a time window, completes in n * m time (n is trace length, m is number of unique characters)
[INFO] [stderr]     |                        ^^^^^^^^^^ help: change this to: `&[char]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 29
[INFO] [stderr]    --> src/main.rs:112:1
[INFO] [stderr]     |
[INFO] [stderr] 112 | / fn get_affinity(trace: &Vec<char>, size: usize) //Finds all pair affinities given a trace and a time window, completes in n * m time (n is trace length, m is number of unique characters)
[INFO] [stderr] 113 | | {
[INFO] [stderr] 114 | |     let mut single_frequencies: HashMap<char, usize> = HashMap::new();  //Stores the single frequencies of each unique trace character
[INFO] [stderr] 115 | |     let mut last_seen: HashMap<char, usize> = HashMap::new();   //Stores the last index a unique trace element was seen
[INFO] [stderr] ...   |
[INFO] [stderr] 307 | |     }
[INFO] [stderr] 308 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cyclomatic_complexity)] on by default
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/main.rs:124:20
[INFO] [stderr]     |
[INFO] [stderr] 124 |             temp = single_frequencies.get(&c).unwrap().clone(); //Retreives prior frequency
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*single_frequencies.get(&c).unwrap()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/main.rs:124:20
[INFO] [stderr]     |
[INFO] [stderr] 124 |             temp = single_frequencies.get(&c).unwrap().clone(); //Retreives prior frequency
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&single_frequencies[&c]`
[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]    --> src/main.rs:125:32
[INFO] [stderr]     |
[INFO] [stderr] 125 |             let distance = i - last_seen.get(&c).unwrap();  //Finds the time between current and last sighting of the trace character
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&last_seen[&c]`
[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: manual implementation of an assign operation
[INFO] [stderr]    --> src/main.rs:126:13
[INFO] [stderr]     |
[INFO] [stderr] 126 |             temp = temp + distance;  //Sets new single frequency to the time since last seen added to the prior frequency
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `temp += distance`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/main.rs:135:13
[INFO] [stderr]     |
[INFO] [stderr] 135 |             temp = temp - 1;    //Decrements single frequency by 1
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^ help: replace it with: `temp -= 1`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/main.rs:142:32
[INFO] [stderr]     |
[INFO] [stderr] 142 |             let distance = i - last_seen.get(j).unwrap();   //Finds the time between current time and the last time the trace sub-element was seen
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&last_seen[j]`
[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]    --> src/main.rs:148:29
[INFO] [stderr]     |
[INFO] [stderr] 148 |                     temp = *joint_frequencies.get(&Tuple(c, *j)).unwrap();  //Retreives prior frequency
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&joint_frequencies[&Tuple(c, *j)]`
[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]    --> src/main.rs:149:36
[INFO] [stderr]     |
[INFO] [stderr] 149 |                     let last = i - last_seen.get(&c).unwrap();  //Finds time between current time and last time the trace element was seen
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&last_seen[&c]`
[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: manual implementation of an assign operation
[INFO] [stderr]    --> src/main.rs:153:25
[INFO] [stderr]     |
[INFO] [stderr] 153 |                         temp = temp - last; //Subtracts off the time between the current time and the last time the trace element was seen
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^ help: replace it with: `temp -= last`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `trace`
[INFO] [stderr]    --> src/main.rs:167:14
[INFO] [stderr]     |
[INFO] [stderr] 167 |     for i in size .. trace.len() - size //Iterates from the end of the first time window to th beggining of the last time window
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 167 |     for (i, <item>) in trace.iter().enumerate().take(trace.len() - size).skip(size) //Iterates from the end of the first time window to th beggining of the last time window
[INFO] [stderr]     |         ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: usage of `contains_key` followed by `insert` on a `HashMap`
[INFO] [stderr]    --> src/main.rs:170:9
[INFO] [stderr]     |
[INFO] [stderr] 170 | /         if single_frequencies.contains_key(&c)  //Checks if current character has been seen before
[INFO] [stderr] 171 | |         {
[INFO] [stderr] 172 | |             let mut temp = single_frequencies.get(&c).unwrap().clone(); //Retreives prior frequency
[INFO] [stderr] 173 | |             let distance = i - last_seen.get(&c).unwrap();  //Finds the time between current and last sighting of the trace character
[INFO] [stderr] ...   |
[INFO] [stderr] 186 | |             single_frequencies.insert(c, size);
[INFO] [stderr] 187 | |         }
[INFO] [stderr]     | |_________^ help: consider using: `single_frequencies.entry(c)`
[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: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/main.rs:172:28
[INFO] [stderr]     |
[INFO] [stderr] 172 |             let mut temp = single_frequencies.get(&c).unwrap().clone(); //Retreives prior frequency
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*single_frequencies.get(&c).unwrap()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/main.rs:172:28
[INFO] [stderr]     |
[INFO] [stderr] 172 |             let mut temp = single_frequencies.get(&c).unwrap().clone(); //Retreives prior frequency
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&single_frequencies[&c]`
[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]    --> src/main.rs:173:32
[INFO] [stderr]     |
[INFO] [stderr] 173 |             let distance = i - last_seen.get(&c).unwrap();  //Finds the time between current and last sighting of the trace character
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&last_seen[&c]`
[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: manual implementation of an assign operation
[INFO] [stderr]    --> src/main.rs:176:17
[INFO] [stderr]     |
[INFO] [stderr] 176 |                 temp = temp + size; //Adds the window size to the prior frequency
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^ help: replace it with: `temp += size`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/main.rs:180:17
[INFO] [stderr]     |
[INFO] [stderr] 180 |                 temp = temp + distance;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `temp += distance`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/main.rs:191:32
[INFO] [stderr]     |
[INFO] [stderr] 191 |             let distance = i - last_seen.get(j).unwrap();   //Finds the time between current time and the last time the trace sub-element was seen
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&last_seen[j]`
[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]    --> src/main.rs:197:29
[INFO] [stderr]     |
[INFO] [stderr] 197 |                     temp = *joint_frequencies.get(&Tuple(c, *j)).unwrap();  //Retreives prior frequency
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&joint_frequencies[&Tuple(c, *j)]`
[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]    --> src/main.rs:198:36
[INFO] [stderr]     |
[INFO] [stderr] 198 |                     let last = i - last_seen.get(&c).unwrap();  //Finds time between current time and last time the trace element was seen
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&last_seen[&c]`
[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: manual implementation of an assign operation
[INFO] [stderr]    --> src/main.rs:202:25
[INFO] [stderr]     |
[INFO] [stderr] 202 |                         temp = temp - last; //Subtracts off the time between the current time and the last time the trace element was seen
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^ help: replace it with: `temp -= last`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: usage of `contains_key` followed by `insert` on a `HashMap`
[INFO] [stderr]    --> src/main.rs:226:9
[INFO] [stderr]     |
[INFO] [stderr] 226 | /         if single_frequencies.contains_key(&c)  //Checks if current character has been seen before
[INFO] [stderr] 227 | |         {
[INFO] [stderr] 228 | |             let mut temp = single_frequencies.get(&c).unwrap().clone(); //Retreives prior frequency
[INFO] [stderr] 229 | |             let distance = i - last_seen.get(&c).unwrap();  //Finds the time between current and last sighting of the trace character
[INFO] [stderr] ...   |
[INFO] [stderr] 247 | |             single_frequencies.insert(c, index);
[INFO] [stderr] 248 | |         }
[INFO] [stderr]     | |_________^ help: consider using: `single_frequencies.entry(c)`
[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: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/main.rs:228:28
[INFO] [stderr]     |
[INFO] [stderr] 228 |             let mut temp = single_frequencies.get(&c).unwrap().clone(); //Retreives prior frequency
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*single_frequencies.get(&c).unwrap()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/main.rs:228:28
[INFO] [stderr]     |
[INFO] [stderr] 228 |             let mut temp = single_frequencies.get(&c).unwrap().clone(); //Retreives prior frequency
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&single_frequencies[&c]`
[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]    --> src/main.rs:229:32
[INFO] [stderr]     |
[INFO] [stderr] 229 |             let distance = i - last_seen.get(&c).unwrap();  //Finds the time between current and last sighting of the trace character
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&last_seen[&c]`
[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: manual implementation of an assign operation
[INFO] [stderr]    --> src/main.rs:232:17
[INFO] [stderr]     |
[INFO] [stderr] 232 |                 temp = temp + index;    //Adds the distance to the end of the trace to the prior frequency
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^ help: replace it with: `temp += index`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/main.rs:236:17
[INFO] [stderr]     |
[INFO] [stderr] 236 |                 temp = temp + distance;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `temp += distance`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/main.rs:239:21
[INFO] [stderr]     |
[INFO] [stderr] 239 |                     temp = temp - 1;    //Decrements the joint frequency by 1
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^ help: replace it with: `temp -= 1`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/main.rs:252:32
[INFO] [stderr]     |
[INFO] [stderr] 252 |             let distance = i - last_seen.get(j).unwrap();   //Finds the time between current time and the last time the trace sub-element was seen
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&last_seen[j]`
[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]    --> src/main.rs:258:29
[INFO] [stderr]     |
[INFO] [stderr] 258 |                     temp = *joint_frequencies.get(&Tuple(c, *j)).unwrap();  //Finds time between current time and last time the trace element was seen
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&joint_frequencies[&Tuple(c, *j)]`
[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]    --> src/main.rs:259:36
[INFO] [stderr]     |
[INFO] [stderr] 259 |                     let last = i - last_seen.get(&c).unwrap();  //Finds time between current time and last time the trace element was seen
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&last_seen[&c]`
[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: manual implementation of an assign operation
[INFO] [stderr]    --> src/main.rs:264:25
[INFO] [stderr]     |
[INFO] [stderr] 264 |                         temp = temp - last; //Subtracts off the time between the current time and the last time the trace element was seen
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^ help: replace it with: `temp -= last`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/main.rs:269:25
[INFO] [stderr]     |
[INFO] [stderr] 269 |                         temp = temp - (size - index - 1);   //Subtracts off the one less than the difference between the window size and the distance to the end of the trace
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `temp -= (size - index - 1)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/main.rs:285:31
[INFO] [stderr]     |
[INFO] [stderr] 285 |         println!("{}: {}", k, single_frequencies.get(k).unwrap());
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&single_frequencies[k]`
[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]    --> src/main.rs:290:44
[INFO] [stderr]     |
[INFO] [stderr] 290 |         println!("({}, {}): {}", t.0, t.1, joint_frequencies.get(t).unwrap());
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&joint_frequencies[t]`
[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]    --> src/main.rs:295:17
[INFO] [stderr]     |
[INFO] [stderr] 295 |         let a = single_frequencies.get(&t.0).unwrap();  //Retreives single frequency for first character
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&single_frequencies[&t.0]`
[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]    --> src/main.rs:296:17
[INFO] [stderr]     |
[INFO] [stderr] 296 |         let b = single_frequencies.get(&t.1).unwrap();  //Retreives single frequency for second character
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&single_frequencies[&t.1]`
[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]    --> src/main.rs:299:29
[INFO] [stderr]     |
[INFO] [stderr] 299 |             let affinity = *joint_frequencies.get(t).unwrap() as f32 / *a as f32;   //Sets affinity to the quotient of the joint frequency and the larger single frequency
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&joint_frequencies[t]`
[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]    --> src/main.rs:304:29
[INFO] [stderr]     |
[INFO] [stderr] 304 |             let affinity = *joint_frequencies.get(t).unwrap() as f32 / *b as f32;   //Sets affinity to the quotient of the joint frequency and the larger single frequency
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&joint_frequencies[t]`
[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]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `"docker" "inspect" "68712ae4dcbc93c3dce596f9091712e1d790dd434a152e8c9e4ee32e18c91f50"`
[INFO] running `"docker" "rm" "-f" "68712ae4dcbc93c3dce596f9091712e1d790dd434a152e8c9e4ee32e18c91f50"`
[INFO] [stdout] 68712ae4dcbc93c3dce596f9091712e1d790dd434a152e8c9e4ee32e18c91f50