[INFO] fetching crate vroom 0.1.0...
[INFO] linting vroom-0.1.0 against nightly for clippy-nonminimal_bool-denied
[INFO] extracting crate vroom 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate vroom 0.1.0
[INFO] finished tweaking crates.io crate vroom 0.1.0
[INFO] tweaked toml for crates.io crate vroom 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate vroom 0.1.0 on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate vroom 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5ac64eedf18ac43c4f8e44ba56b370e87099d0eb71c81cd11670c438a6097b6
[INFO] running `Command { std: "docker" "start" "-a" "a5ac64eedf18ac43c4f8e44ba56b370e87099d0eb71c81cd11670c438a6097b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5ac64eedf18ac43c4f8e44ba56b370e87099d0eb71c81cd11670c438a6097b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5ac64eedf18ac43c4f8e44ba56b370e87099d0eb71c81cd11670c438a6097b6", kill_on_drop: false }`
[INFO] [stdout] a5ac64eedf18ac43c4f8e44ba56b370e87099d0eb71c81cd11670c438a6097b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3dfe31e5827c79612ea1ac1e5cc9466cb0ecf83aa7d5c06ce044a77fb4122249
[INFO] running `Command { std: "docker" "start" "-a" "3dfe31e5827c79612ea1ac1e5cc9466cb0ecf83aa7d5c06ce044a77fb4122249", kill_on_drop: false }`
[INFO] [stderr]     Checking vroom v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/parser.rs:39:16
[INFO] [stdout]    |
[INFO] [stdout] 39 |         '_' => return Transform::Goto(Go::LastNonSpace),
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]    = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 39 -         '_' => return Transform::Goto(Go::LastNonSpace),
[INFO] [stdout] 39 +         '_' => Transform::Goto(Go::LastNonSpace),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/parser.rs:40:14
[INFO] [stdout]    |
[INFO] [stdout] 40 |         _ => return Transform::None,
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 40 -         _ => return Transform::None,
[INFO] [stdout] 40 +         _ => Transform::None,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/parser.rs:147:5
[INFO] [stdout]     |
[INFO] [stdout] 147 |     return transforms;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 147 -     return transforms;
[INFO] [stdout] 147 +     transforms
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&String` instead of `&str` involves a new object where a slice will do
[INFO] [stdout]   --> src/parser.rs:44:41
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn parse_transforms(transformation: &String) -> Vec<Transform> {
[INFO] [stdout]    |                                         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout]    = note: `#[warn(clippy::ptr_arg)]` on by default
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 44 - pub fn parse_transforms(transformation: &String) -> Vec<Transform> {
[INFO] [stdout] 44 + pub fn parse_transforms(transformation: &str) -> Vec<Transform> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this creates an owned instance just for comparison
[INFO] [stdout]   --> src/parser.rs:82:36
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 } else if state == "$".to_string() {
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^ help: try: `"$"`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stdout]    = note: `#[warn(clippy::cmp_owned)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this creates an owned instance just for comparison
[INFO] [stdout]   --> src/parser.rs:86:36
[INFO] [stdout]    |
[INFO] [stdout] 86 |                 } else if state == "0".to_string() {
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^ help: try: `"0"`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this creates an owned instance just for comparison
[INFO] [stdout]   --> src/parser.rs:89:36
[INFO] [stdout]    |
[INFO] [stdout] 89 |                 } else if state == "^".to_string() {
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^ help: try: `"^"`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this creates an owned instance just for comparison
[INFO] [stdout]   --> src/parser.rs:92:36
[INFO] [stdout]    |
[INFO] [stdout] 92 |                 } else if state == "A".to_string() {
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^ help: try: `"A"`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this creates an owned instance just for comparison
[INFO] [stdout]   --> src/parser.rs:96:36
[INFO] [stdout]    |
[INFO] [stdout] 96 |                 } else if state == "I".to_string() {
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^ help: try: `"I"`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this creates an owned instance just for comparison
[INFO] [stdout]    --> src/parser.rs:100:36
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 } else if state == "i".to_string() {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^ help: try: `"i"`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this creates an owned instance just for comparison
[INFO] [stdout]    --> src/parser.rs:103:36
[INFO] [stdout]     |
[INFO] [stdout] 103 |                 } else if state == "a".to_string() {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^ help: try: `"a"`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this creates an owned instance just for comparison
[INFO] [stdout]    --> src/parser.rs:106:36
[INFO] [stdout]     |
[INFO] [stdout] 106 |                 } else if state == "l".to_string() {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^ help: try: `"l"`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this creates an owned instance just for comparison
[INFO] [stdout]    --> src/parser.rs:109:36
[INFO] [stdout]     |
[INFO] [stdout] 109 |                 } else if state == "h".to_string() {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^ help: try: `"h"`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this creates an owned instance just for comparison
[INFO] [stdout]    --> src/parser.rs:112:36
[INFO] [stdout]     |
[INFO] [stdout] 112 |                 } else if state == "w".to_string() {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^ help: try: `"w"`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this creates an owned instance just for comparison
[INFO] [stdout]    --> src/parser.rs:115:36
[INFO] [stdout]     |
[INFO] [stdout] 115 |                 } else if state == "W".to_string() {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^ help: try: `"W"`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this creates an owned instance just for comparison
[INFO] [stdout]    --> src/parser.rs:118:36
[INFO] [stdout]     |
[INFO] [stdout] 118 |                 } else if state == "e".to_string() {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^ help: try: `"e"`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this creates an owned instance just for comparison
[INFO] [stdout]    --> src/parser.rs:121:36
[INFO] [stdout]     |
[INFO] [stdout] 121 |                 } else if state == "E".to_string() {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^ help: try: `"E"`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this creates an owned instance just for comparison
[INFO] [stdout]    --> src/parser.rs:124:36
[INFO] [stdout]     |
[INFO] [stdout] 124 |                 } else if state == "b".to_string() {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^ help: try: `"b"`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this creates an owned instance just for comparison
[INFO] [stdout]    --> src/parser.rs:127:36
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 } else if state == "B".to_string() {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^ help: try: `"B"`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]    --> src/parser.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 136 | /     match mode {
[INFO] [stdout] 137 | |         Mode::Insert(p) => {
[INFO] [stdout] 138 | |             if p {
[INFO] [stdout] 139 | |                 transforms.push(Transform::InsertRight(state.to_string()));
[INFO] [stdout] ...   |
[INFO] [stdout] 144 | |         _ => {}
[INFO] [stdout] 145 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout]     = note: `#[warn(clippy::single_match)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 136 ~     if let Mode::Insert(p) = mode {
[INFO] [stdout] 137 +         if p {
[INFO] [stdout] 138 +             transforms.push(Transform::InsertRight(state.to_string()));
[INFO] [stdout] 139 +         } else {
[INFO] [stdout] 140 +             transforms.push(Transform::Insert(state.to_string()));
[INFO] [stdout] 141 +         }
[INFO] [stdout] 142 +     }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/transform.rs:19:24
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let enable_debug = !env::var("VROOM_DEBUG").is_err();
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `env::var("VROOM_DEBUG").is_ok()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/transform.rs:23:35
[INFO] [stdout]    |
[INFO] [stdout] 23 |             debug(&modified, pos, &transform);
[INFO] [stdout]    |                                   ^^^^^^^^^^ help: change this to: `transform`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]    = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/parser.rs:39:16
[INFO] [stdout]    |
[INFO] [stdout] 39 |         '_' => return Transform::Goto(Go::LastNonSpace),
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]    = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 39 -         '_' => return Transform::Goto(Go::LastNonSpace),
[INFO] [stdout] 39 +         '_' => Transform::Goto(Go::LastNonSpace),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/parser.rs:40:14
[INFO] [stdout]    |
[INFO] [stdout] 40 |         _ => return Transform::None,
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 40 -         _ => return Transform::None,
[INFO] [stdout] 40 +         _ => Transform::None,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/parser.rs:147:5
[INFO] [stdout]     |
[INFO] [stdout] 147 |     return transforms;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 147 -     return transforms;
[INFO] [stdout] 147 +     transforms
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&String` instead of `&str` involves a new object where a slice will do
[INFO] [stdout]   --> src/parser.rs:44:41
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn parse_transforms(transformation: &String) -> Vec<Transform> {
[INFO] [stdout]    |                                         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout]    = note: `#[warn(clippy::ptr_arg)]` on by default
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 44 - pub fn parse_transforms(transformation: &String) -> Vec<Transform> {
[INFO] [stdout] 44 + pub fn parse_transforms(transformation: &str) -> Vec<Transform> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this creates an owned instance just for comparison
[INFO] [stdout]   --> src/parser.rs:82:36
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 } else if state == "$".to_string() {
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^ help: try: `"$"`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stdout]    = note: `#[warn(clippy::cmp_owned)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicitly performing saturating subtraction
[INFO] [stdout]   --> src/transform.rs:46:21
[INFO] [stdout]    |
[INFO] [stdout] 46 | /                     if pos > 0 {
[INFO] [stdout] 47 | |                         pos -= 1;
[INFO] [stdout] 48 | |                     }
[INFO] [stdout]    | |_____________________^ help: try: `pos = pos.saturating_sub(1);`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#implicit_saturating_sub
[INFO] [stdout]    = note: `#[warn(clippy::implicit_saturating_sub)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calling `insert_str()` using a single-character converted to string
[INFO] [stdout]   --> src/transform.rs:61:21
[INFO] [stdout]    |
[INFO] [stdout] 61 |                     modified.insert_str(pos, &c.to_string());
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `insert` without `to_string()`: `modified.insert(pos, *c)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_add_str
[INFO] [stdout]    = note: `#[warn(clippy::single_char_add_str)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/utils.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     return 0;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 25 -     return 0;
[INFO] [stdout] 25 +     0
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&String` instead of `&str` involves a new object where a slice will do
[INFO] [stdout]  --> src/utils.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn find_prev_word(line: &String, pos: usize, big: bool) -> usize {
[INFO] [stdout]   |                             ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]   |
[INFO] [stdout] 1 - pub fn find_prev_word(line: &String, pos: usize, big: bool) -> usize {
[INFO] [stdout] 1 + pub fn find_prev_word(line: &str, pos: usize, big: bool) -> usize {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this creates an owned instance just for comparison
[INFO] [stdout]   --> src/parser.rs:86:36
[INFO] [stdout]    |
[INFO] [stdout] 86 |                 } else if state == "0".to_string() {
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^ help: try: `"0"`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this creates an owned instance just for comparison
[INFO] [stdout]   --> src/parser.rs:89:36
[INFO] [stdout]    |
[INFO] [stdout] 89 |                 } else if state == "^".to_string() {
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^ help: try: `"^"`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this creates an owned instance just for comparison
[INFO] [stdout]   --> src/parser.rs:92:36
[INFO] [stdout]    |
[INFO] [stdout] 92 |                 } else if state == "A".to_string() {
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^ help: try: `"A"`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this creates an owned instance just for comparison
[INFO] [stdout]   --> src/parser.rs:96:36
[INFO] [stdout]    |
[INFO] [stdout] 96 |                 } else if state == "I".to_string() {
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^ help: try: `"I"`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this creates an owned instance just for comparison
[INFO] [stdout]    --> src/parser.rs:100:36
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 } else if state == "i".to_string() {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^ help: try: `"i"`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this creates an owned instance just for comparison
[INFO] [stdout]    --> src/parser.rs:103:36
[INFO] [stdout]     |
[INFO] [stdout] 103 |                 } else if state == "a".to_string() {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^ help: try: `"a"`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]   --> src/utils.rs:7:9
[INFO] [stdout]    |
[INFO] [stdout]  7 | /         if flag {
[INFO] [stdout]  8 | |             if ch.is_alphanumeric() || nonbreak.contains(&ch) {
[INFO] [stdout]  9 | |                 return pos - i + 1;
[INFO] [stdout] 10 | |             }
[INFO] [stdout] 11 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout]    = note: `#[warn(clippy::collapsible_if)]` on by default
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]    |
[INFO] [stdout]  7 ~         if flag
[INFO] [stdout]  8 ~             && (ch.is_alphanumeric() || nonbreak.contains(&ch)) {
[INFO] [stdout]  9 |                 return pos - i + 1;
[INFO] [stdout] 10 ~             }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this creates an owned instance just for comparison
[INFO] [stdout]    --> src/parser.rs:106:36
[INFO] [stdout]     |
[INFO] [stdout] 106 |                 } else if state == "l".to_string() {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^ help: try: `"l"`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this creates an owned instance just for comparison
[INFO] [stdout]    --> src/parser.rs:109:36
[INFO] [stdout]     |
[INFO] [stdout] 109 |                 } else if state == "h".to_string() {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^ help: try: `"h"`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/utils.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     return line.len() - 1;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 63 -     return line.len() - 1;
[INFO] [stdout] 63 +     line.len() - 1
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&String` instead of `&str` involves a new object where a slice will do
[INFO] [stdout]   --> src/utils.rs:28:29
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn find_next_word(line: &String, pos: usize, big: bool, e: bool) -> usize {
[INFO] [stdout]    |                             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 28 - pub fn find_next_word(line: &String, pos: usize, big: bool, e: bool) -> usize {
[INFO] [stdout] 28 + pub fn find_next_word(line: &str, pos: usize, big: bool, e: bool) -> usize {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]   --> src/utils.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 | /         if flag {
[INFO] [stdout] 34 | |             if ch.is_alphanumeric() || nonbreak.contains(&ch) {
[INFO] [stdout] 35 | |                 return i + pos;
[INFO] [stdout] 36 | |             }
[INFO] [stdout] 37 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]    |
[INFO] [stdout] 33 ~         if flag
[INFO] [stdout] 34 ~             && (ch.is_alphanumeric() || nonbreak.contains(&ch)) {
[INFO] [stdout] 35 |                 return i + pos;
[INFO] [stdout] 36 ~             }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/utils.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     return pos;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 76 -     return pos;
[INFO] [stdout] 76 +     pos
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&String` instead of `&str` involves a new object where a slice will do
[INFO] [stdout]   --> src/utils.rs:66:24
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub fn find_char(line: &String, item: &char, pos: usize, t: bool) -> usize {
[INFO] [stdout]    |                        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 66 - pub fn find_char(line: &String, item: &char, pos: usize, t: bool) -> usize {
[INFO] [stdout] 66 + pub fn find_char(line: &str, item: &char, pos: usize, t: bool) -> usize {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/utils.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 |     return pos;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 88 -     return pos;
[INFO] [stdout] 88 +     pos
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&String` instead of `&str` involves a new object where a slice will do
[INFO] [stdout]   --> src/utils.rs:78:28
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub fn find_char_rev(line: &String, item: &char, pos: usize, t: bool) -> usize {
[INFO] [stdout]    |                            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 78 - pub fn find_char_rev(line: &String, item: &char, pos: usize, t: bool) -> usize {
[INFO] [stdout] 78 + pub fn find_char_rev(line: &str, item: &char, pos: usize, t: bool) -> usize {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this creates an owned instance just for comparison
[INFO] [stdout]    --> src/parser.rs:112:36
[INFO] [stdout]     |
[INFO] [stdout] 112 |                 } else if state == "w".to_string() {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^ help: try: `"w"`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this creates an owned instance just for comparison
[INFO] [stdout]    --> src/parser.rs:115:36
[INFO] [stdout]     |
[INFO] [stdout] 115 |                 } else if state == "W".to_string() {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^ help: try: `"W"`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this creates an owned instance just for comparison
[INFO] [stdout]    --> src/parser.rs:118:36
[INFO] [stdout]     |
[INFO] [stdout] 118 |                 } else if state == "e".to_string() {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^ help: try: `"e"`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this creates an owned instance just for comparison
[INFO] [stdout]    --> src/parser.rs:121:36
[INFO] [stdout]     |
[INFO] [stdout] 121 |                 } else if state == "E".to_string() {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^ help: try: `"E"`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this creates an owned instance just for comparison
[INFO] [stdout]    --> src/parser.rs:124:36
[INFO] [stdout]     |
[INFO] [stdout] 124 |                 } else if state == "b".to_string() {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^ help: try: `"b"`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this creates an owned instance just for comparison
[INFO] [stdout]    --> src/parser.rs:127:36
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 } else if state == "B".to_string() {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^ help: try: `"B"`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]    --> src/parser.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 136 | /     match mode {
[INFO] [stdout] 137 | |         Mode::Insert(p) => {
[INFO] [stdout] 138 | |             if p {
[INFO] [stdout] 139 | |                 transforms.push(Transform::InsertRight(state.to_string()));
[INFO] [stdout] ...   |
[INFO] [stdout] 144 | |         _ => {}
[INFO] [stdout] 145 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout]     = note: `#[warn(clippy::single_match)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 136 ~     if let Mode::Insert(p) = mode {
[INFO] [stdout] 137 +         if p {
[INFO] [stdout] 138 +             transforms.push(Transform::InsertRight(state.to_string()));
[INFO] [stdout] 139 +         } else {
[INFO] [stdout] 140 +             transforms.push(Transform::Insert(state.to_string()));
[INFO] [stdout] 141 +         }
[INFO] [stdout] 142 +     }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/utils.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 |     return 0;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 97 -     return 0;
[INFO] [stdout] 97 +     0
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&String` instead of `&str` involves a new object where a slice will do
[INFO] [stdout]   --> src/utils.rs:91:40
[INFO] [stdout]    |
[INFO] [stdout] 91 | pub fn find_first_non_whitespace(line: &String) -> usize {
[INFO] [stdout]    |                                        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 91 - pub fn find_first_non_whitespace(line: &String) -> usize {
[INFO] [stdout] 91 + pub fn find_first_non_whitespace(line: &str) -> usize {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/utils.rs:106:5
[INFO] [stdout]     |
[INFO] [stdout] 106 |     return line.len() - 1;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 106 -     return line.len() - 1;
[INFO] [stdout] 106 +     line.len() - 1
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&String` instead of `&str` involves a new object where a slice will do
[INFO] [stdout]    --> src/utils.rs:100:39
[INFO] [stdout]     |
[INFO] [stdout] 100 | pub fn find_last_non_whitespace(line: &String) -> usize {
[INFO] [stdout]     |                                       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]     |
[INFO] [stdout] 100 - pub fn find_last_non_whitespace(line: &String) -> usize {
[INFO] [stdout] 100 + pub fn find_last_non_whitespace(line: &str) -> usize {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to use `.enumerate()` and immediately discard the index
[INFO] [stdout]   --> src/main.rs:28:40
[INFO] [stdout]    |
[INFO] [stdout] 28 |         for (_, line) in reader.lines().enumerate() {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_enumerate_index
[INFO] [stdout]    = note: `#[warn(clippy::unused_enumerate_index)]` on by default
[INFO] [stdout] help: remove the `.enumerate()` call
[INFO] [stdout]    |
[INFO] [stdout] 28 -         for (_, line) in reader.lines().enumerate() {
[INFO] [stdout] 28 +         for line in reader.lines() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/transform.rs:19:24
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let enable_debug = !env::var("VROOM_DEBUG").is_err();
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `env::var("VROOM_DEBUG").is_ok()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/transform.rs:23:35
[INFO] [stdout]    |
[INFO] [stdout] 23 |             debug(&modified, pos, &transform);
[INFO] [stdout]    |                                   ^^^^^^^^^^ help: change this to: `transform`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]    = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicitly performing saturating subtraction
[INFO] [stdout]   --> src/transform.rs:46:21
[INFO] [stdout]    |
[INFO] [stdout] 46 | /                     if pos > 0 {
[INFO] [stdout] 47 | |                         pos -= 1;
[INFO] [stdout] 48 | |                     }
[INFO] [stdout]    | |_____________________^ help: try: `pos = pos.saturating_sub(1);`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#implicit_saturating_sub
[INFO] [stdout]    = note: `#[warn(clippy::implicit_saturating_sub)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calling `insert_str()` using a single-character converted to string
[INFO] [stdout]   --> src/transform.rs:61:21
[INFO] [stdout]    |
[INFO] [stdout] 61 |                     modified.insert_str(pos, &c.to_string());
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `insert` without `to_string()`: `modified.insert(pos, *c)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_add_str
[INFO] [stdout]    = note: `#[warn(clippy::single_char_add_str)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/utils.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     return 0;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 25 -     return 0;
[INFO] [stdout] 25 +     0
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&String` instead of `&str` involves a new object where a slice will do
[INFO] [stdout]  --> src/utils.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn find_prev_word(line: &String, pos: usize, big: bool) -> usize {
[INFO] [stdout]   |                             ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]   |
[INFO] [stdout] 1 - pub fn find_prev_word(line: &String, pos: usize, big: bool) -> usize {
[INFO] [stdout] 1 + pub fn find_prev_word(line: &str, pos: usize, big: bool) -> usize {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]   --> src/utils.rs:7:9
[INFO] [stdout]    |
[INFO] [stdout]  7 | /         if flag {
[INFO] [stdout]  8 | |             if ch.is_alphanumeric() || nonbreak.contains(&ch) {
[INFO] [stdout]  9 | |                 return pos - i + 1;
[INFO] [stdout] 10 | |             }
[INFO] [stdout] 11 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout]    = note: `#[warn(clippy::collapsible_if)]` on by default
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]    |
[INFO] [stdout]  7 ~         if flag
[INFO] [stdout]  8 ~             && (ch.is_alphanumeric() || nonbreak.contains(&ch)) {
[INFO] [stdout]  9 |                 return pos - i + 1;
[INFO] [stdout] 10 ~             }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/utils.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     return line.len() - 1;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 63 -     return line.len() - 1;
[INFO] [stdout] 63 +     line.len() - 1
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&String` instead of `&str` involves a new object where a slice will do
[INFO] [stdout]   --> src/utils.rs:28:29
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn find_next_word(line: &String, pos: usize, big: bool, e: bool) -> usize {
[INFO] [stdout]    |                             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 28 - pub fn find_next_word(line: &String, pos: usize, big: bool, e: bool) -> usize {
[INFO] [stdout] 28 + pub fn find_next_word(line: &str, pos: usize, big: bool, e: bool) -> usize {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]   --> src/utils.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 | /         if flag {
[INFO] [stdout] 34 | |             if ch.is_alphanumeric() || nonbreak.contains(&ch) {
[INFO] [stdout] 35 | |                 return i + pos;
[INFO] [stdout] 36 | |             }
[INFO] [stdout] 37 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]    |
[INFO] [stdout] 33 ~         if flag
[INFO] [stdout] 34 ~             && (ch.is_alphanumeric() || nonbreak.contains(&ch)) {
[INFO] [stdout] 35 |                 return i + pos;
[INFO] [stdout] 36 ~             }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/utils.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     return pos;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 76 -     return pos;
[INFO] [stdout] 76 +     pos
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&String` instead of `&str` involves a new object where a slice will do
[INFO] [stdout]   --> src/utils.rs:66:24
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub fn find_char(line: &String, item: &char, pos: usize, t: bool) -> usize {
[INFO] [stdout]    |                        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 66 - pub fn find_char(line: &String, item: &char, pos: usize, t: bool) -> usize {
[INFO] [stdout] 66 + pub fn find_char(line: &str, item: &char, pos: usize, t: bool) -> usize {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/utils.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 |     return pos;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 88 -     return pos;
[INFO] [stdout] 88 +     pos
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&String` instead of `&str` involves a new object where a slice will do
[INFO] [stdout]   --> src/utils.rs:78:28
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub fn find_char_rev(line: &String, item: &char, pos: usize, t: bool) -> usize {
[INFO] [stdout]    |                            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 78 - pub fn find_char_rev(line: &String, item: &char, pos: usize, t: bool) -> usize {
[INFO] [stdout] 78 + pub fn find_char_rev(line: &str, item: &char, pos: usize, t: bool) -> usize {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/utils.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 |     return 0;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 97 -     return 0;
[INFO] [stdout] 97 +     0
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&String` instead of `&str` involves a new object where a slice will do
[INFO] [stdout]   --> src/utils.rs:91:40
[INFO] [stdout]    |
[INFO] [stdout] 91 | pub fn find_first_non_whitespace(line: &String) -> usize {
[INFO] [stdout]    |                                        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 91 - pub fn find_first_non_whitespace(line: &String) -> usize {
[INFO] [stdout] 91 + pub fn find_first_non_whitespace(line: &str) -> usize {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/utils.rs:106:5
[INFO] [stdout]     |
[INFO] [stdout] 106 |     return line.len() - 1;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 106 -     return line.len() - 1;
[INFO] [stdout] 106 +     line.len() - 1
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&String` instead of `&str` involves a new object where a slice will do
[INFO] [stdout]    --> src/utils.rs:100:39
[INFO] [stdout]     |
[INFO] [stdout] 100 | pub fn find_last_non_whitespace(line: &String) -> usize {
[INFO] [stdout]     |                                       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]     |
[INFO] [stdout] 100 - pub fn find_last_non_whitespace(line: &String) -> usize {
[INFO] [stdout] 100 + pub fn find_last_non_whitespace(line: &str) -> usize {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to use `.enumerate()` and immediately discard the index
[INFO] [stdout]   --> src/main.rs:28:40
[INFO] [stdout]    |
[INFO] [stdout] 28 |         for (_, line) in reader.lines().enumerate() {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_enumerate_index
[INFO] [stdout]    = note: `#[warn(clippy::unused_enumerate_index)]` on by default
[INFO] [stdout] help: remove the `.enumerate()` call
[INFO] [stdout]    |
[INFO] [stdout] 28 -         for (_, line) in reader.lines().enumerate() {
[INFO] [stdout] 28 +         for line in reader.lines() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "3dfe31e5827c79612ea1ac1e5cc9466cb0ecf83aa7d5c06ce044a77fb4122249", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dfe31e5827c79612ea1ac1e5cc9466cb0ecf83aa7d5c06ce044a77fb4122249", kill_on_drop: false }`
[INFO] [stdout] 3dfe31e5827c79612ea1ac1e5cc9466cb0ecf83aa7d5c06ce044a77fb4122249