[INFO] updating cached repository feelmyears/eecs-395-hw2
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/feelmyears/eecs-395-hw2
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/feelmyears/eecs-395-hw2" "work/ex/clippy-test-run/sources/stable/gh/feelmyears/eecs-395-hw2"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/feelmyears/eecs-395-hw2'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/feelmyears/eecs-395-hw2" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/feelmyears/eecs-395-hw2"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/feelmyears/eecs-395-hw2'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2076a769e25c9e258db0e3caf978a89d5c276054
[INFO] sha for GitHub repo feelmyears/eecs-395-hw2: 2076a769e25c9e258db0e3caf978a89d5c276054
[INFO] validating manifest of feelmyears/eecs-395-hw2 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 feelmyears/eecs-395-hw2 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 feelmyears/eecs-395-hw2
[INFO] finished frobbing feelmyears/eecs-395-hw2
[INFO] frobbed toml for feelmyears/eecs-395-hw2 written to work/ex/clippy-test-run/sources/stable/gh/feelmyears/eecs-395-hw2/Cargo.toml
[INFO] started frobbing feelmyears/eecs-395-hw2
[INFO] finished frobbing feelmyears/eecs-395-hw2
[INFO] frobbed toml for feelmyears/eecs-395-hw2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/feelmyears/eecs-395-hw2/Cargo.toml
[INFO] crate feelmyears/eecs-395-hw2 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 feelmyears/eecs-395-hw2 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/feelmyears/eecs-395-hw2:/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] 3bb440531f54ca53e9b6ddb297a8a402bd22dbb3f10f3df0b92da5fa5fea100d
[INFO] running `"docker" "start" "-a" "3bb440531f54ca53e9b6ddb297a8a402bd22dbb3f10f3df0b92da5fa5fea100d"`
[INFO] [stderr]     Checking hw2 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/counting.rs:24:2
[INFO] [stderr]    |
[INFO] [stderr] 24 |     return counts;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^ help: remove `return` as shown: `counts`
[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: unneeded return statement
[INFO] [stderr]   --> src/correcting.rs:24:2
[INFO] [stderr]    |
[INFO] [stderr] 24 |     return known_words;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `known_words`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/correcting.rs:32:17
[INFO] [stderr]    |
[INFO] [stderr] 32 | const LETTERS: &'static str = "abcdefghijklmnopqrstuvwxyz";
[INFO] [stderr]    |                -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/correcting.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     return splits;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^ help: remove `return` as shown: `splits`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/correcting.rs:123:5
[INFO] [stderr]     |
[INFO] [stderr] 123 |     return edits;
[INFO] [stderr]     |     ^^^^^^^^^^^^^ help: remove `return` as shown: `edits`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/correcting.rs:149:2
[INFO] [stderr]     |
[INFO] [stderr] 149 |     return original_word;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `original_word`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:23:2
[INFO] [stderr]    |
[INFO] [stderr] 23 |     return buf_reader
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `buf_reader`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/counting.rs:24:2
[INFO] [stderr]    |
[INFO] [stderr] 24 |     return counts;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^ help: remove `return` as shown: `counts`
[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: unneeded return statement
[INFO] [stderr]   --> src/correcting.rs:24:2
[INFO] [stderr]    |
[INFO] [stderr] 24 |     return known_words;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `known_words`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/correcting.rs:32:17
[INFO] [stderr]    |
[INFO] [stderr] 32 | const LETTERS: &'static str = "abcdefghijklmnopqrstuvwxyz";
[INFO] [stderr]    |                -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/correcting.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     return splits;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^ help: remove `return` as shown: `splits`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/correcting.rs:123:5
[INFO] [stderr]     |
[INFO] [stderr] 123 |     return edits;
[INFO] [stderr]     |     ^^^^^^^^^^^^^ help: remove `return` as shown: `edits`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/correcting.rs:149:2
[INFO] [stderr]     |
[INFO] [stderr] 149 |     return original_word;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `original_word`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/correcting.rs:205:3
[INFO] [stderr]     |
[INFO] [stderr] 205 |         return mock;
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: remove `return` as shown: `mock`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:23:2
[INFO] [stderr]    |
[INFO] [stderr] 23 |     return buf_reader
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `buf_reader`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/correcting.rs:35:14
[INFO] [stderr]    |
[INFO] [stderr] 35 |     for i in 0..word.chars().count()+1 {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `0..=word.chars().count()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/correcting.rs:39:23
[INFO] [stderr]    |
[INFO] [stderr] 39 |             if j < i {word1 = word1 + word.chars().nth(j).unwrap().to_string().as_str();}
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `word1 += word.chars().nth(j).unwrap().to_string().as_str()`
[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/correcting.rs:40:19
[INFO] [stderr]    |
[INFO] [stderr] 40 |             else {word2 = word2 + word.chars().nth(j).unwrap().to_string().as_str();}
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `word2 += word.chars().nth(j).unwrap().to_string().as_str()`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/correcting.rs:50:20
[INFO] [stderr]    |
[INFO] [stderr] 50 | fn deletes(splits: &Vec<WordSplits>, bucket: &mut WordSet) {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^ help: change this to: `&[WordSplits]`
[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: manual implementation of an assign operation
[INFO] [stderr]   --> src/correcting.rs:56:17
[INFO] [stderr]    |
[INFO] [stderr] 56 |                 w2 = w2 + w.word2.chars().nth(i).unwrap().to_string().as_str();
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `w2 += w.word2.chars().nth(i).unwrap().to_string().as_str()`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/correcting.rs:63:23
[INFO] [stderr]    |
[INFO] [stderr] 63 | fn transposes(splits: &Vec<WordSplits>, bucket: &mut WordSet) {
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^ help: change this to: `&[WordSplits]`
[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: manual implementation of an assign operation
[INFO] [stderr]   --> src/correcting.rs:67:13
[INFO] [stderr]    |
[INFO] [stderr] 67 |             w2 = w2 + w.word2.chars().nth(1).unwrap().to_string().as_str();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `w2 += w.word2.chars().nth(1).unwrap().to_string().as_str()`
[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/correcting.rs:68:13
[INFO] [stderr]    |
[INFO] [stderr] 68 |             w2 = w2 + w.word2.chars().nth(0).unwrap().to_string().as_str();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `w2 += w.word2.chars().nth(0).unwrap().to_string().as_str()`
[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/correcting.rs:70:17
[INFO] [stderr]    |
[INFO] [stderr] 70 |                 w2 = w2 + w.word2.chars().nth(i).unwrap().to_string().as_str();
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `w2 += w.word2.chars().nth(i).unwrap().to_string().as_str()`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/correcting.rs:77:21
[INFO] [stderr]    |
[INFO] [stderr] 77 | fn replaces(splits: &Vec<WordSplits>, bucket: &mut WordSet) {
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^ help: change this to: `&[WordSplits]`
[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: manual implementation of an assign operation
[INFO] [stderr]   --> src/correcting.rs:82:17
[INFO] [stderr]    |
[INFO] [stderr] 82 |                 w2 = w2 + c.to_string().as_str();
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `w2 += c.to_string().as_str()`
[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/correcting.rs:84:21
[INFO] [stderr]    |
[INFO] [stderr] 84 |                     w2 = w2 + w.word2.chars().nth(i).unwrap().to_string().as_str();
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `w2 += w.word2.chars().nth(i).unwrap().to_string().as_str()`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/correcting.rs:92:20
[INFO] [stderr]    |
[INFO] [stderr] 92 | fn inserts(splits: &Vec<WordSplits>, bucket: &mut WordSet) {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^ help: change this to: `&[WordSplits]`
[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: manual implementation of an assign operation
[INFO] [stderr]   --> src/correcting.rs:97:17
[INFO] [stderr]    |
[INFO] [stderr] 97 |                 w2 = w2 + c.to_string().as_str();
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `w2 += c.to_string().as_str()`
[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/correcting.rs:99:21
[INFO] [stderr]    |
[INFO] [stderr] 99 |                     w2 = w2 + w.word2.chars().nth(i).unwrap().to_string().as_str();
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `w2 += w.word2.chars().nth(i).unwrap().to_string().as_str()`
[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/correcting.rs:107:17
[INFO] [stderr]     |
[INFO] [stderr] 107 |                 w2 = w2 + c.to_string().as_str();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `w2 += c.to_string().as_str()`
[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: length comparison to zero
[INFO] [stderr]    --> src/correcting.rs:138:5
[INFO] [stderr]     |
[INFO] [stderr] 138 |     if candidates.len() > 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!candidates.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/correcting.rs:143:5
[INFO] [stderr]     |
[INFO] [stderr] 143 |     if candidates.len() > 0 {return candidates;}
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!candidates.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/correcting.rs:146:5
[INFO] [stderr]     |
[INFO] [stderr] 146 |     if candidates.len() > 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!candidates.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]   --> src/main.rs:19:6
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let ref path = args[1];
[INFO] [stderr]    |     ----^^^^^^^^----------- help: try: `let path = &args[1];`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::toplevel_ref_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/correcting.rs:35:14
[INFO] [stderr]    |
[INFO] [stderr] 35 |     for i in 0..word.chars().count()+1 {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `0..=word.chars().count()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/correcting.rs:39:23
[INFO] [stderr]    |
[INFO] [stderr] 39 |             if j < i {word1 = word1 + word.chars().nth(j).unwrap().to_string().as_str();}
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `word1 += word.chars().nth(j).unwrap().to_string().as_str()`
[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/correcting.rs:40:19
[INFO] [stderr]    |
[INFO] [stderr] 40 |             else {word2 = word2 + word.chars().nth(j).unwrap().to_string().as_str();}
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `word2 += word.chars().nth(j).unwrap().to_string().as_str()`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/correcting.rs:50:20
[INFO] [stderr]    |
[INFO] [stderr] 50 | fn deletes(splits: &Vec<WordSplits>, bucket: &mut WordSet) {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^ help: change this to: `&[WordSplits]`
[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: manual implementation of an assign operation
[INFO] [stderr]   --> src/correcting.rs:56:17
[INFO] [stderr]    |
[INFO] [stderr] 56 |                 w2 = w2 + w.word2.chars().nth(i).unwrap().to_string().as_str();
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `w2 += w.word2.chars().nth(i).unwrap().to_string().as_str()`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/correcting.rs:63:23
[INFO] [stderr]    |
[INFO] [stderr] 63 | fn transposes(splits: &Vec<WordSplits>, bucket: &mut WordSet) {
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^ help: change this to: `&[WordSplits]`
[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: manual implementation of an assign operation
[INFO] [stderr]   --> src/correcting.rs:67:13
[INFO] [stderr]    |
[INFO] [stderr] 67 |             w2 = w2 + w.word2.chars().nth(1).unwrap().to_string().as_str();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `w2 += w.word2.chars().nth(1).unwrap().to_string().as_str()`
[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/correcting.rs:68:13
[INFO] [stderr]    |
[INFO] [stderr] 68 |             w2 = w2 + w.word2.chars().nth(0).unwrap().to_string().as_str();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `w2 += w.word2.chars().nth(0).unwrap().to_string().as_str()`
[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/correcting.rs:70:17
[INFO] [stderr]    |
[INFO] [stderr] 70 |                 w2 = w2 + w.word2.chars().nth(i).unwrap().to_string().as_str();
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `w2 += w.word2.chars().nth(i).unwrap().to_string().as_str()`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/correcting.rs:77:21
[INFO] [stderr]    |
[INFO] [stderr] 77 | fn replaces(splits: &Vec<WordSplits>, bucket: &mut WordSet) {
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^ help: change this to: `&[WordSplits]`
[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: manual implementation of an assign operation
[INFO] [stderr]   --> src/correcting.rs:82:17
[INFO] [stderr]    |
[INFO] [stderr] 82 |                 w2 = w2 + c.to_string().as_str();
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `w2 += c.to_string().as_str()`
[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/correcting.rs:84:21
[INFO] [stderr]    |
[INFO] [stderr] 84 |                     w2 = w2 + w.word2.chars().nth(i).unwrap().to_string().as_str();
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `w2 += w.word2.chars().nth(i).unwrap().to_string().as_str()`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/correcting.rs:92:20
[INFO] [stderr]    |
[INFO] [stderr] 92 | fn inserts(splits: &Vec<WordSplits>, bucket: &mut WordSet) {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^ help: change this to: `&[WordSplits]`
[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: manual implementation of an assign operation
[INFO] [stderr]   --> src/correcting.rs:97:17
[INFO] [stderr]    |
[INFO] [stderr] 97 |                 w2 = w2 + c.to_string().as_str();
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `w2 += c.to_string().as_str()`
[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/correcting.rs:99:21
[INFO] [stderr]    |
[INFO] [stderr] 99 |                     w2 = w2 + w.word2.chars().nth(i).unwrap().to_string().as_str();
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `w2 += w.word2.chars().nth(i).unwrap().to_string().as_str()`
[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/correcting.rs:107:17
[INFO] [stderr]     |
[INFO] [stderr] 107 |                 w2 = w2 + c.to_string().as_str();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `w2 += c.to_string().as_str()`
[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: length comparison to zero
[INFO] [stderr]    --> src/correcting.rs:138:5
[INFO] [stderr]     |
[INFO] [stderr] 138 |     if candidates.len() > 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!candidates.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/correcting.rs:143:5
[INFO] [stderr]     |
[INFO] [stderr] 143 |     if candidates.len() > 0 {return candidates;}
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!candidates.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/correcting.rs:146:5
[INFO] [stderr]     |
[INFO] [stderr] 146 |     if candidates.len() > 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!candidates.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/correcting.rs:172:3
[INFO] [stderr]     |
[INFO] [stderr] 172 |         assert_eq!(0., word_probability("nope", &counts));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::float_cmp)] on by default
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/correcting.rs:172:3
[INFO] [stderr]     |
[INFO] [stderr] 172 |         assert_eq!(0., word_probability("nope", &counts));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/correcting.rs:180:3
[INFO] [stderr]     |
[INFO] [stderr] 180 |         assert_eq!(0., word_probability("nope", &counts));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/correcting.rs:180:3
[INFO] [stderr]     |
[INFO] [stderr] 180 |         assert_eq!(0., word_probability("nope", &counts));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/correcting.rs:188:3
[INFO] [stderr]     |
[INFO] [stderr] 188 |         assert_eq!(0.5, word_probability("hello", &counts));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/correcting.rs:188:3
[INFO] [stderr]     |
[INFO] [stderr] 188 |         assert_eq!(0.5, word_probability("hello", &counts));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]   --> src/main.rs:19:6
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let ref path = args[1];
[INFO] [stderr]    |     ----^^^^^^^^----------- help: try: `let path = &args[1];`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::toplevel_ref_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `hw2`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "3bb440531f54ca53e9b6ddb297a8a402bd22dbb3f10f3df0b92da5fa5fea100d"`
[INFO] running `"docker" "rm" "-f" "3bb440531f54ca53e9b6ddb297a8a402bd22dbb3f10f3df0b92da5fa5fea100d"`
[INFO] [stdout] 3bb440531f54ca53e9b6ddb297a8a402bd22dbb3f10f3df0b92da5fa5fea100d