[INFO] cloning repository https://github.com/markallenbattey/Newbie
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/markallenbattey/Newbie" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarkallenbattey%2FNewbie", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarkallenbattey%2FNewbie'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 73d2db1d73360edb6ed7aa7b53d56db0f9db2cf8
[INFO] linting markallenbattey/Newbie against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarkallenbattey%2FNewbie" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/markallenbattey/Newbie
[INFO] finished tweaking git repo https://github.com/markallenbattey/Newbie
[INFO] tweaked toml for git repo https://github.com/markallenbattey/Newbie written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/markallenbattey/Newbie on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/markallenbattey/Newbie already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] [stderr]     Updating dirs v5.0.1 -> v6.0.0
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[INFO] [stderr]   Downloaded ctrlc v3.5.0
[INFO] [stderr]   Downloaded rustyline-derive v0.10.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 1a2848eac0053854f73107e5e6d0999031dce36bd063bbe3e5133588fbeaad1a
[INFO] running `Command { std: "docker" "start" "-a" "1a2848eac0053854f73107e5e6d0999031dce36bd063bbe3e5133588fbeaad1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a2848eac0053854f73107e5e6d0999031dce36bd063bbe3e5133588fbeaad1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a2848eac0053854f73107e5e6d0999031dce36bd063bbe3e5133588fbeaad1a", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 }`
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[INFO] [stderr]    Compiling rustix v1.1.2
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[INFO] [stderr]    Compiling toml_edit v0.23.7
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[INFO] [stderr]     Checking newbie v1.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: initializer for `thread_local` value can be made `const`
[INFO] [stdout]    --> src/main.rs:200:46
[INFO] [stdout]     |
[INFO] [stdout] 200 |     static RECURSION_DEPTH: RefCell<usize> = RefCell::new(0);
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^ help: replace with: `const { RefCell::new(0) }`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#missing_const_for_thread_local
[INFO] [stdout]     = note: `#[warn(clippy::missing_const_for_thread_local)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: large size difference between variants
[INFO] [stdout]    --> src/main.rs:252:1
[INFO] [stdout]     |
[INFO] [stdout] 252 | / enum PatternComponent {
[INFO] [stdout] 253 | |     Literal([u8; MAX_COMPONENT_TEXT], usize),
[INFO] [stdout]     | |     ---------------------------------------- the largest variant contains at least 264 bytes
[INFO] [stdout] 254 | |     Numbers(usize),
[INFO] [stdout] 255 | |     Letters(usize),
[INFO] [stdout] ...   |
[INFO] [stdout] 258 | |     Variable(String),
[INFO] [stdout]     | |     ---------------- the second-largest variant contains at least 24 bytes
[INFO] [stdout] 259 | | }
[INFO] [stdout]     | |_^ the entire enum is at least 272 bytes
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_enum_variant
[INFO] [stdout]     = note: `#[warn(clippy::large_enum_variant)]` on by default
[INFO] [stdout] help: consider boxing the large fields or introducing indirection in some other way to reduce the total size of the enum
[INFO] [stdout]     |
[INFO] [stdout] 253 -     Literal([u8; MAX_COMPONENT_TEXT], usize),
[INFO] [stdout] 253 +     Literal(Box<[u8; MAX_COMPONENT_TEXT]>, usize),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods called `new` usually return `Self`
[INFO] [stdout]    --> src/main.rs:296:5
[INFO] [stdout]     |
[INFO] [stdout] 296 | /     fn new(msg: &str) -> Box<dyn Error> {
[INFO] [stdout] 297 | |         Box::new(NewbieError {
[INFO] [stdout] 298 | |             message: msg.to_string(),
[INFO] [stdout] 299 | |         })
[INFO] [stdout] 300 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_ret_no_self
[INFO] [stdout]     = note: `#[warn(clippy::new_ret_no_self)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of `Option::map`
[INFO] [stdout]    --> src/main.rs:443:12
[INFO] [stdout]     |
[INFO] [stdout] 443 |       } else if let Some(rest) = var_ref.strip_prefix("&newbie.") { 
[INFO] [stdout]     |  ____________^
[INFO] [stdout] 444 | |         Some((VariableNamespace::Newbie, rest.to_string()))    
[INFO] [stdout] 445 | |     } else {
[INFO] [stdout] 446 | |         None
[INFO] [stdout] 447 | |     }
[INFO] [stdout]     | |_____^ help: try: `{ var_ref.strip_prefix("&newbie.").map(|rest| (VariableNamespace::Newbie, rest.to_string())) }`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_map
[INFO] [stdout]     = note: `#[warn(clippy::manual_map)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: initializer for `thread_local` value can be made `const`
[INFO] [stdout]    --> src/main.rs:200:46
[INFO] [stdout]     |
[INFO] [stdout] 200 |     static RECURSION_DEPTH: RefCell<usize> = RefCell::new(0);
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^ help: replace with: `const { RefCell::new(0) }`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#missing_const_for_thread_local
[INFO] [stdout]     = note: `#[warn(clippy::missing_const_for_thread_local)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]    --> src/main.rs:748:21
[INFO] [stdout]     |
[INFO] [stdout] 748 | /                     if k.starts_with("newbie.") {
[INFO] [stdout] 749 | |                         if index < 64 {
[INFO] [stdout] 750 | |                             // Strip the "newbie." prefix for display
[INFO] [stdout] 751 | |                             let name = k.strip_prefix("newbie.").unwrap_or(k);
[INFO] [stdout] ...   |
[INFO] [stdout] 755 | |                     }
[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] 748 ~                     if k.starts_with("newbie.")
[INFO] [stdout] 749 ~                         && index < 64 {
[INFO] [stdout] 750 |                             // Strip the "newbie." prefix for display
[INFO] [stdout] ...
[INFO] [stdout] 753 |                             index += 1;
[INFO] [stdout] 754 ~                         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: large size difference between variants
[INFO] [stdout]    --> src/main.rs:252:1
[INFO] [stdout]     |
[INFO] [stdout] 252 | / enum PatternComponent {
[INFO] [stdout] 253 | |     Literal([u8; MAX_COMPONENT_TEXT], usize),
[INFO] [stdout]     | |     ---------------------------------------- the largest variant contains at least 264 bytes
[INFO] [stdout] 254 | |     Numbers(usize),
[INFO] [stdout] 255 | |     Letters(usize),
[INFO] [stdout] ...   |
[INFO] [stdout] 258 | |     Variable(String),
[INFO] [stdout]     | |     ---------------- the second-largest variant contains at least 24 bytes
[INFO] [stdout] 259 | | }
[INFO] [stdout]     | |_^ the entire enum is at least 272 bytes
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_enum_variant
[INFO] [stdout]     = note: `#[warn(clippy::large_enum_variant)]` on by default
[INFO] [stdout] help: consider boxing the large fields or introducing indirection in some other way to reduce the total size of the enum
[INFO] [stdout]     |
[INFO] [stdout] 253 -     Literal([u8; MAX_COMPONENT_TEXT], usize),
[INFO] [stdout] 253 +     Literal(Box<[u8; MAX_COMPONENT_TEXT]>, usize),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `pos` is used to index `line_bytes`
[INFO] [stdout]    --> src/main.rs:806:28
[INFO] [stdout]     |
[INFO] [stdout] 806 |                 for pos in search_start..line_bytes.len() {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout]     = note: `#[warn(clippy::needless_range_loop)]` on by default
[INFO] [stdout] help: consider using an iterator and enumerate()
[INFO] [stdout]     |
[INFO] [stdout] 806 -                 for pos in search_start..line_bytes.len() {
[INFO] [stdout] 806 +                 for (pos, <item>) in line_bytes.iter().enumerate().skip(search_start) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods called `new` usually return `Self`
[INFO] [stdout]    --> src/main.rs:296:5
[INFO] [stdout]     |
[INFO] [stdout] 296 | /     fn new(msg: &str) -> Box<dyn Error> {
[INFO] [stdout] 297 | |         Box::new(NewbieError {
[INFO] [stdout] 298 | |             message: msg.to_string(),
[INFO] [stdout] 299 | |         })
[INFO] [stdout] 300 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_ret_no_self
[INFO] [stdout]     = note: `#[warn(clippy::new_ret_no_self)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `pos` is used to index `line_bytes`
[INFO] [stdout]    --> src/main.rs:836:28
[INFO] [stdout]     |
[INFO] [stdout] 836 |                 for pos in search_start..line_bytes.len() {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator and enumerate()
[INFO] [stdout]     |
[INFO] [stdout] 836 -                 for pos in search_start..line_bytes.len() {
[INFO] [stdout] 836 +                 for (pos, <item>) in line_bytes.iter().enumerate().skip(search_start) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `pos` is used to index `line_bytes`
[INFO] [stdout]    --> src/main.rs:866:28
[INFO] [stdout]     |
[INFO] [stdout] 866 |                 for pos in search_start..line_bytes.len() {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator and enumerate()
[INFO] [stdout]     |
[INFO] [stdout] 866 -                 for pos in search_start..line_bytes.len() {
[INFO] [stdout] 866 +                 for (pos, <item>) in line_bytes.iter().enumerate().skip(search_start) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `pos` is used to index `line_bytes`
[INFO] [stdout]    --> src/main.rs:896:28
[INFO] [stdout]     |
[INFO] [stdout] 896 |                 for pos in search_start..line_bytes.len() {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator and enumerate()
[INFO] [stdout]     |
[INFO] [stdout] 896 -                 for pos in search_start..line_bytes.len() {
[INFO] [stdout] 896 +                 for (pos, <item>) in line_bytes.iter().enumerate().skip(search_start) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of `Option::map`
[INFO] [stdout]    --> src/main.rs:443:12
[INFO] [stdout]     |
[INFO] [stdout] 443 |       } else if let Some(rest) = var_ref.strip_prefix("&newbie.") { 
[INFO] [stdout]     |  ____________^
[INFO] [stdout] 444 | |         Some((VariableNamespace::Newbie, rest.to_string()))    
[INFO] [stdout] 445 | |     } else {
[INFO] [stdout] 446 | |         None
[INFO] [stdout] 447 | |     }
[INFO] [stdout]     | |_____^ help: try: `{ var_ref.strip_prefix("&newbie.").map(|rest| (VariableNamespace::Newbie, rest.to_string())) }`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_map
[INFO] [stdout]     = note: `#[warn(clippy::manual_map)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is only used to index `tokens`
[INFO] [stdout]     --> src/main.rs:1073:14
[INFO] [stdout]      |
[INFO] [stdout] 1073 |     for i in 0..token_count {
[INFO] [stdout]      |              ^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]      |
[INFO] [stdout] 1073 -     for i in 0..token_count {
[INFO] [stdout] 1073 +     for <item> in tokens.iter().take(token_count) {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is only used to index `tokens`
[INFO] [stdout]     --> src/main.rs:1086:18
[INFO] [stdout]      |
[INFO] [stdout] 1086 |         for i in 0..token_count {
[INFO] [stdout]      |                  ^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]      |
[INFO] [stdout] 1086 -         for i in 0..token_count {
[INFO] [stdout] 1086 +         for <item> in tokens.iter().take(token_count) {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is only used to index `lines`
[INFO] [stdout]     --> src/main.rs:1145:14
[INFO] [stdout]      |
[INFO] [stdout] 1145 |     for i in 0..line_count {
[INFO] [stdout]      |              ^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]      |
[INFO] [stdout] 1145 -     for i in 0..line_count {
[INFO] [stdout] 1145 +     for <item> in lines.iter().take(line_count) {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]    --> src/main.rs:748:21
[INFO] [stdout]     |
[INFO] [stdout] 748 | /                     if k.starts_with("newbie.") {
[INFO] [stdout] 749 | |                         if index < 64 {
[INFO] [stdout] 750 | |                             // Strip the "newbie." prefix for display
[INFO] [stdout] 751 | |                             let name = k.strip_prefix("newbie.").unwrap_or(k);
[INFO] [stdout] ...   |
[INFO] [stdout] 755 | |                     }
[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] 748 ~                     if k.starts_with("newbie.")
[INFO] [stdout] 749 ~                         && index < 64 {
[INFO] [stdout] 750 |                             // Strip the "newbie." prefix for display
[INFO] [stdout] ...
[INFO] [stdout] 753 |                             index += 1;
[INFO] [stdout] 754 ~                         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `pos` is used to index `line_bytes`
[INFO] [stdout]    --> src/main.rs:806:28
[INFO] [stdout]     |
[INFO] [stdout] 806 |                 for pos in search_start..line_bytes.len() {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout]     = note: `#[warn(clippy::needless_range_loop)]` on by default
[INFO] [stdout] help: consider using an iterator and enumerate()
[INFO] [stdout]     |
[INFO] [stdout] 806 -                 for pos in search_start..line_bytes.len() {
[INFO] [stdout] 806 +                 for (pos, <item>) in line_bytes.iter().enumerate().skip(search_start) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `pos` is used to index `line_bytes`
[INFO] [stdout]    --> src/main.rs:836:28
[INFO] [stdout]     |
[INFO] [stdout] 836 |                 for pos in search_start..line_bytes.len() {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator and enumerate()
[INFO] [stdout]     |
[INFO] [stdout] 836 -                 for pos in search_start..line_bytes.len() {
[INFO] [stdout] 836 +                 for (pos, <item>) in line_bytes.iter().enumerate().skip(search_start) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]     --> src/main.rs:1300:21
[INFO] [stdout]      |
[INFO] [stdout] 1300 | /                     if mask_idx > 0 && pattern.adjacent_to_next[mask_idx - 1] {
[INFO] [stdout] 1301 | |                         if match_pos != line_pos {
[INFO] [stdout] 1302 | |                             return false;
[INFO] [stdout] 1303 | |                         }
[INFO] [stdout] 1304 | |                     }
[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] 1300 ~                     if mask_idx > 0 && pattern.adjacent_to_next[mask_idx - 1]
[INFO] [stdout] 1301 ~                         && match_pos != line_pos {
[INFO] [stdout] 1302 |                             return false;
[INFO] [stdout] 1303 ~                         }
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `pos` is used to index `line_bytes`
[INFO] [stdout]    --> src/main.rs:866:28
[INFO] [stdout]     |
[INFO] [stdout] 866 |                 for pos in search_start..line_bytes.len() {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator and enumerate()
[INFO] [stdout]     |
[INFO] [stdout] 866 -                 for pos in search_start..line_bytes.len() {
[INFO] [stdout] 866 +                 for (pos, <item>) in line_bytes.iter().enumerate().skip(search_start) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]     --> src/main.rs:1352:5
[INFO] [stdout]      |
[INFO] [stdout] 1352 | /     if pattern.end_anchor {
[INFO] [stdout] 1353 | |         if last_match_end != line_bytes.len() {
[INFO] [stdout] 1354 | |             return false;
[INFO] [stdout] 1355 | |         }
[INFO] [stdout] 1356 | |     }
[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] 1352 ~     if pattern.end_anchor
[INFO] [stdout] 1353 ~         && last_match_end != line_bytes.len() {
[INFO] [stdout] 1354 |             return false;
[INFO] [stdout] 1355 ~         }
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `pos` is used to index `line_bytes`
[INFO] [stdout]    --> src/main.rs:896:28
[INFO] [stdout]     |
[INFO] [stdout] 896 |                 for pos in search_start..line_bytes.len() {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator and enumerate()
[INFO] [stdout]     |
[INFO] [stdout] 896 -                 for pos in search_start..line_bytes.len() {
[INFO] [stdout] 896 +                 for (pos, <item>) in line_bytes.iter().enumerate().skip(search_start) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]     --> src/main.rs:1434:29
[INFO] [stdout]      |
[INFO] [stdout] 1434 | / ...                   if mask_idx > 0 && pattern.adjacent_to_next[mask_idx - 1] {
[INFO] [stdout] 1435 | | ...                       if match_pos != line_pos {
[INFO] [stdout] 1436 | | ...                           return (false, captures);
[INFO] [stdout] 1437 | | ...                       }
[INFO] [stdout] 1438 | | ...                   }
[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] 1434 ~                             if mask_idx > 0 && pattern.adjacent_to_next[mask_idx - 1]
[INFO] [stdout] 1435 ~                                 && match_pos != line_pos {
[INFO] [stdout] 1436 |                                     return (false, captures);
[INFO] [stdout] 1437 ~                                 }
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]     --> src/main.rs:1489:5
[INFO] [stdout]      |
[INFO] [stdout] 1489 | /     if pattern.end_anchor {
[INFO] [stdout] 1490 | |         if last_match_end != line_bytes.len() {
[INFO] [stdout] 1491 | |             return (false, captures);
[INFO] [stdout] 1492 | |         }
[INFO] [stdout] 1493 | |     }
[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] 1489 ~     if pattern.end_anchor
[INFO] [stdout] 1490 ~         && last_match_end != line_bytes.len() {
[INFO] [stdout] 1491 |             return (false, captures);
[INFO] [stdout] 1492 ~         }
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is only used to index `tokens`
[INFO] [stdout]     --> src/main.rs:1073:14
[INFO] [stdout]      |
[INFO] [stdout] 1073 |     for i in 0..token_count {
[INFO] [stdout]      |              ^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]      |
[INFO] [stdout] 1073 -     for i in 0..token_count {
[INFO] [stdout] 1073 +     for <item> in tokens.iter().take(token_count) {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]     --> src/main.rs:1543:5
[INFO] [stdout]      |
[INFO] [stdout] 1543 | /     if line_matches_pattern(content.as_bytes(), pattern) {
[INFO] [stdout] 1544 | |         if command.display_output {
[INFO] [stdout] 1545 | |             println!("{}", content);
[INFO] [stdout] 1546 | |         }
[INFO] [stdout] 1547 | |     }
[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] 1543 ~     if line_matches_pattern(content.as_bytes(), pattern)
[INFO] [stdout] 1544 ~         && command.display_output {
[INFO] [stdout] 1545 |             println!("{}", content);
[INFO] [stdout] 1546 ~         }
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is only used to index `tokens`
[INFO] [stdout]     --> src/main.rs:1086:18
[INFO] [stdout]      |
[INFO] [stdout] 1086 |         for i in 0..token_count {
[INFO] [stdout]      |                  ^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]      |
[INFO] [stdout] 1086 -         for i in 0..token_count {
[INFO] [stdout] 1086 +         for <item> in tokens.iter().take(token_count) {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manually filling a slice
[INFO] [stdout]     --> src/main.rs:1566:13
[INFO] [stdout]      |
[INFO] [stdout] 1566 | /             for item in &mut buf {
[INFO] [stdout] 1567 | |                 *item = None;
[INFO] [stdout] 1568 | |             }
[INFO] [stdout]      | |_____________^ help: try: `buf.fill(None);`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_slice_fill
[INFO] [stdout]      = note: `#[warn(clippy::manual_slice_fill)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is only used to index `lines`
[INFO] [stdout]     --> src/main.rs:1145:14
[INFO] [stdout]      |
[INFO] [stdout] 1145 |     for i in 0..line_count {
[INFO] [stdout]      |              ^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]      |
[INFO] [stdout] 1145 -     for i in 0..line_count {
[INFO] [stdout] 1145 +     for <item> in lines.iter().take(line_count) {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual arithmetic check found
[INFO] [stdout]     --> src/main.rs:1621:13
[INFO] [stdout]      |
[INFO] [stdout] 1621 |             if total_matches > last_n { total_matches - last_n } else { 0 }
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `total_matches.saturating_sub(last_n)`
[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: this `if` statement can be collapsed
[INFO] [stdout]     --> src/main.rs:1300:21
[INFO] [stdout]      |
[INFO] [stdout] 1300 | /                     if mask_idx > 0 && pattern.adjacent_to_next[mask_idx - 1] {
[INFO] [stdout] 1301 | |                         if match_pos != line_pos {
[INFO] [stdout] 1302 | |                             return false;
[INFO] [stdout] 1303 | |                         }
[INFO] [stdout] 1304 | |                     }
[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] 1300 ~                     if mask_idx > 0 && pattern.adjacent_to_next[mask_idx - 1]
[INFO] [stdout] 1301 ~                         && match_pos != line_pos {
[INFO] [stdout] 1302 |                             return false;
[INFO] [stdout] 1303 ~                         }
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]     --> src/main.rs:1352:5
[INFO] [stdout]      |
[INFO] [stdout] 1352 | /     if pattern.end_anchor {
[INFO] [stdout] 1353 | |         if last_match_end != line_bytes.len() {
[INFO] [stdout] 1354 | |             return false;
[INFO] [stdout] 1355 | |         }
[INFO] [stdout] 1356 | |     }
[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] 1352 ~     if pattern.end_anchor
[INFO] [stdout] 1353 ~         && last_match_end != line_bytes.len() {
[INFO] [stdout] 1354 |             return false;
[INFO] [stdout] 1355 ~         }
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]     --> src/main.rs:1434:29
[INFO] [stdout]      |
[INFO] [stdout] 1434 | / ...                   if mask_idx > 0 && pattern.adjacent_to_next[mask_idx - 1] {
[INFO] [stdout] 1435 | | ...                       if match_pos != line_pos {
[INFO] [stdout] 1436 | | ...                           return (false, captures);
[INFO] [stdout] 1437 | | ...                       }
[INFO] [stdout] 1438 | | ...                   }
[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] 1434 ~                             if mask_idx > 0 && pattern.adjacent_to_next[mask_idx - 1]
[INFO] [stdout] 1435 ~                                 && match_pos != line_pos {
[INFO] [stdout] 1436 |                                     return (false, captures);
[INFO] [stdout] 1437 ~                                 }
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]     --> src/main.rs:1489:5
[INFO] [stdout]      |
[INFO] [stdout] 1489 | /     if pattern.end_anchor {
[INFO] [stdout] 1490 | |         if last_match_end != line_bytes.len() {
[INFO] [stdout] 1491 | |             return (false, captures);
[INFO] [stdout] 1492 | |         }
[INFO] [stdout] 1493 | |     }
[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] 1489 ~     if pattern.end_anchor
[INFO] [stdout] 1490 ~         && last_match_end != line_bytes.len() {
[INFO] [stdout] 1491 |             return (false, captures);
[INFO] [stdout] 1492 ~         }
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]     --> src/main.rs:1543:5
[INFO] [stdout]      |
[INFO] [stdout] 1543 | /     if line_matches_pattern(content.as_bytes(), pattern) {
[INFO] [stdout] 1544 | |         if command.display_output {
[INFO] [stdout] 1545 | |             println!("{}", content);
[INFO] [stdout] 1546 | |         }
[INFO] [stdout] 1547 | |     }
[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] 1543 ~     if line_matches_pattern(content.as_bytes(), pattern)
[INFO] [stdout] 1544 ~         && command.display_output {
[INFO] [stdout] 1545 |             println!("{}", content);
[INFO] [stdout] 1546 ~         }
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manually filling a slice
[INFO] [stdout]     --> src/main.rs:1566:13
[INFO] [stdout]      |
[INFO] [stdout] 1566 | /             for item in &mut buf {
[INFO] [stdout] 1567 | |                 *item = None;
[INFO] [stdout] 1568 | |             }
[INFO] [stdout]      | |_____________^ help: try: `buf.fill(None);`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_slice_fill
[INFO] [stdout]      = note: `#[warn(clippy::manual_slice_fill)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual arithmetic check found
[INFO] [stdout]     --> src/main.rs:1621:13
[INFO] [stdout]      |
[INFO] [stdout] 1621 |             if total_matches > last_n { total_matches - last_n } else { 0 }
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `total_matches.saturating_sub(last_n)`
[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: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stdout]     --> src/main.rs:2122:43
[INFO] [stdout]      |
[INFO] [stdout] 2122 | fn find_all_keywords_fixed(line: &str) -> Result<([(&'static str, CommandHandler, usize); 64], usize), Box<dyn Error>> {
[INFO] [stdout]      |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stdout]      = note: `#[warn(clippy::type_complexity)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this looks like you are swapping elements of `found` manually
[INFO] [stdout]     --> src/main.rs:2168:17
[INFO] [stdout]      |
[INFO] [stdout] 2168 | /                 let temp = found[j];
[INFO] [stdout] 2169 | |                 found[j] = found[j + 1];
[INFO] [stdout] 2170 | |                 found[j + 1] = temp;
[INFO] [stdout]      | |____________________________________^ help: try: `found.swap(j, j + 1);`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_swap
[INFO] [stdout]      = note: `#[warn(clippy::manual_swap)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]     --> src/main.rs:2245:20
[INFO] [stdout]      |
[INFO] [stdout] 2245 |                 if next_token == "=" || (!next_token.starts_with('&') && next_token != "=") {
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: try
[INFO] [stdout]      |
[INFO] [stdout] 2245 -                 if next_token == "=" || (!next_token.starts_with('&') && next_token != "=") {
[INFO] [stdout] 2245 +                 if !(next_token != "=" && next_token.starts_with('&')) {
[INFO] [stdout]      |
[INFO] [stdout] 2245 -                 if next_token == "=" || (!next_token.starts_with('&') && next_token != "=") {
[INFO] [stdout] 2245 +                 if next_token == "=" || !next_token.starts_with('&') {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]     --> src/main.rs:2242:5
[INFO] [stdout]      |
[INFO] [stdout] 2242 | /     if var_index == 0 {
[INFO] [stdout] 2243 | |         if var_index + 1 < token_count {
[INFO] [stdout] 2244 | |             if let Some(next_token) = tokens[var_index + 1] {
[INFO] [stdout] 2245 | |                 if next_token == "=" || (!next_token.starts_with('&') && next_token != "=") {
[INFO] [stdout] ...    |
[INFO] [stdout] 2250 | |     }
[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] 2242 ~     if var_index == 0
[INFO] [stdout] 2243 ~         && var_index + 1 < token_count {
[INFO] [stdout] 2244 |             if let Some(next_token) = tokens[var_index + 1] {
[INFO] [stdout]  ...
[INFO] [stdout] 2248 |             }
[INFO] [stdout] 2249 ~         }
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: it looks like you're manually copying between slices
[INFO] [stdout]     --> src/main.rs:2265:5
[INFO] [stdout]      |
[INFO] [stdout] 2265 | /     for i in 0..copy_count {
[INFO] [stdout] 2266 | |         new_tokens[i + 1] = tokens[i];
[INFO] [stdout] 2267 | |     }
[INFO] [stdout]      | |_____^ help: try replacing the loop by: `new_tokens[1..(copy_count + 1)].copy_from_slice(&tokens[..copy_count]);`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_memcpy
[INFO] [stdout]      = note: `#[warn(clippy::manual_memcpy)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: it looks like you're manually copying between slices
[INFO] [stdout]     --> src/main.rs:2282:5
[INFO] [stdout]      |
[INFO] [stdout] 2282 | /     for i in 0..copy_count {
[INFO] [stdout] 2283 | |         new_tokens[i + 1] = tokens[i];
[INFO] [stdout] 2284 | |     }
[INFO] [stdout]      | |_____^ help: try replacing the loop by: `new_tokens[1..(copy_count + 1)].copy_from_slice(&tokens[..copy_count]);`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_memcpy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is only used to index `tokens`
[INFO] [stdout]     --> src/main.rs:2299:14
[INFO] [stdout]      |
[INFO] [stdout] 2299 |     for i in 0..token_count {
[INFO] [stdout]      |              ^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]      |
[INFO] [stdout] 2299 -     for i in 0..token_count {
[INFO] [stdout] 2299 +     for <item> in tokens.iter().take(token_count) {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `j` is only used to index `current_args`
[INFO] [stdout]     --> src/main.rs:2306:30
[INFO] [stdout]      |
[INFO] [stdout] 2306 |                     for j in 0..arg_count {
[INFO] [stdout]      |                              ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]      |
[INFO] [stdout] 2306 -                     for j in 0..arg_count {
[INFO] [stdout] 2306 +                     for <item> in current_args.iter().take(arg_count) {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `j` is only used to index `current_args`
[INFO] [stdout]     --> src/main.rs:2339:18
[INFO] [stdout]      |
[INFO] [stdout] 2339 |         for j in 0..arg_count {
[INFO] [stdout]      |                  ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]      |
[INFO] [stdout] 2339 -         for j in 0..arg_count {
[INFO] [stdout] 2339 +         for <item> in current_args.iter().take(arg_count) {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `u64`
[INFO] [stdout]     --> src/main.rs:2372:40
[INFO] [stdout]      |
[INFO] [stdout] 2372 |     let res = unsafe { libc::ioctl(fd, libc::TIOCGWINSZ.into(), &mut ws) };
[INFO] [stdout]      |                                        ^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `libc::TIOCGWINSZ`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout]      = note: `#[warn(clippy::useless_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stdout]     --> src/main.rs:2122:43
[INFO] [stdout]      |
[INFO] [stdout] 2122 | fn find_all_keywords_fixed(line: &str) -> Result<([(&'static str, CommandHandler, usize); 64], usize), Box<dyn Error>> {
[INFO] [stdout]      |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stdout]      = note: `#[warn(clippy::type_complexity)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this looks like you are swapping elements of `found` manually
[INFO] [stdout]     --> src/main.rs:2168:17
[INFO] [stdout]      |
[INFO] [stdout] 2168 | /                 let temp = found[j];
[INFO] [stdout] 2169 | |                 found[j] = found[j + 1];
[INFO] [stdout] 2170 | |                 found[j + 1] = temp;
[INFO] [stdout]      | |____________________________________^ help: try: `found.swap(j, j + 1);`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_swap
[INFO] [stdout]      = note: `#[warn(clippy::manual_swap)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]     --> src/main.rs:2245:20
[INFO] [stdout]      |
[INFO] [stdout] 2245 |                 if next_token == "=" || (!next_token.starts_with('&') && next_token != "=") {
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: try
[INFO] [stdout]      |
[INFO] [stdout] 2245 -                 if next_token == "=" || (!next_token.starts_with('&') && next_token != "=") {
[INFO] [stdout] 2245 +                 if !(next_token != "=" && next_token.starts_with('&')) {
[INFO] [stdout]      |
[INFO] [stdout] 2245 -                 if next_token == "=" || (!next_token.starts_with('&') && next_token != "=") {
[INFO] [stdout] 2245 +                 if next_token == "=" || !next_token.starts_with('&') {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]     --> src/main.rs:2242:5
[INFO] [stdout]      |
[INFO] [stdout] 2242 | /     if var_index == 0 {
[INFO] [stdout] 2243 | |         if var_index + 1 < token_count {
[INFO] [stdout] 2244 | |             if let Some(next_token) = tokens[var_index + 1] {
[INFO] [stdout] 2245 | |                 if next_token == "=" || (!next_token.starts_with('&') && next_token != "=") {
[INFO] [stdout] ...    |
[INFO] [stdout] 2250 | |     }
[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] 2242 ~     if var_index == 0
[INFO] [stdout] 2243 ~         && var_index + 1 < token_count {
[INFO] [stdout] 2244 |             if let Some(next_token) = tokens[var_index + 1] {
[INFO] [stdout]  ...
[INFO] [stdout] 2248 |             }
[INFO] [stdout] 2249 ~         }
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: it looks like you're manually copying between slices
[INFO] [stdout]     --> src/main.rs:2265:5
[INFO] [stdout]      |
[INFO] [stdout] 2265 | /     for i in 0..copy_count {
[INFO] [stdout] 2266 | |         new_tokens[i + 1] = tokens[i];
[INFO] [stdout] 2267 | |     }
[INFO] [stdout]      | |_____^ help: try replacing the loop by: `new_tokens[1..(copy_count + 1)].copy_from_slice(&tokens[..copy_count]);`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_memcpy
[INFO] [stdout]      = note: `#[warn(clippy::manual_memcpy)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: it looks like you're manually copying between slices
[INFO] [stdout]     --> src/main.rs:2282:5
[INFO] [stdout]      |
[INFO] [stdout] 2282 | /     for i in 0..copy_count {
[INFO] [stdout] 2283 | |         new_tokens[i + 1] = tokens[i];
[INFO] [stdout] 2284 | |     }
[INFO] [stdout]      | |_____^ help: try replacing the loop by: `new_tokens[1..(copy_count + 1)].copy_from_slice(&tokens[..copy_count]);`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_memcpy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is only used to index `tokens`
[INFO] [stdout]     --> src/main.rs:2299:14
[INFO] [stdout]      |
[INFO] [stdout] 2299 |     for i in 0..token_count {
[INFO] [stdout]      |              ^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]      |
[INFO] [stdout] 2299 -     for i in 0..token_count {
[INFO] [stdout] 2299 +     for <item> in tokens.iter().take(token_count) {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: stripping a prefix manually
[INFO] [stdout]     --> src/main.rs:2582:39
[INFO] [stdout]      |
[INFO] [stdout] 2582 |                     let script_path = &bash_cmd[15..]; // Remove the marker prefix
[INFO] [stdout]      |                                       ^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] note: the prefix was tested here
[INFO] [stdout]     --> src/main.rs:2581:17
[INFO] [stdout]      |
[INFO] [stdout] 2581 |                 if bash_cmd.starts_with("__BASH_SCRIPT__") {
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_strip
[INFO] [stdout]      = note: `#[warn(clippy::manual_strip)]` on by default
[INFO] [stdout] help: try using the `strip_prefix` method
[INFO] [stdout]      |
[INFO] [stdout] 2581 ~                 if let Some(script_path) = bash_cmd.strip_prefix("__BASH_SCRIPT__") {
[INFO] [stdout] 2582 ~                     // Remove the marker prefix
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `j` is only used to index `current_args`
[INFO] [stdout]     --> src/main.rs:2306:30
[INFO] [stdout]      |
[INFO] [stdout] 2306 |                     for j in 0..arg_count {
[INFO] [stdout]      |                              ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]      |
[INFO] [stdout] 2306 -                     for j in 0..arg_count {
[INFO] [stdout] 2306 +                     for <item> in current_args.iter().take(arg_count) {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `j` is only used to index `current_args`
[INFO] [stdout]     --> src/main.rs:2339:18
[INFO] [stdout]      |
[INFO] [stdout] 2339 |         for j in 0..arg_count {
[INFO] [stdout]      |                  ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]      |
[INFO] [stdout] 2339 -         for j in 0..arg_count {
[INFO] [stdout] 2339 +         for <item> in current_args.iter().take(arg_count) {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `u64`
[INFO] [stdout]     --> src/main.rs:2372:40
[INFO] [stdout]      |
[INFO] [stdout] 2372 |     let res = unsafe { libc::ioctl(fd, libc::TIOCGWINSZ.into(), &mut ws) };
[INFO] [stdout]      |                                        ^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `libc::TIOCGWINSZ`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout]      = note: `#[warn(clippy::useless_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: stripping a prefix manually
[INFO] [stdout]     --> src/main.rs:2582:39
[INFO] [stdout]      |
[INFO] [stdout] 2582 |                     let script_path = &bash_cmd[15..]; // Remove the marker prefix
[INFO] [stdout]      |                                       ^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] note: the prefix was tested here
[INFO] [stdout]     --> src/main.rs:2581:17
[INFO] [stdout]      |
[INFO] [stdout] 2581 |                 if bash_cmd.starts_with("__BASH_SCRIPT__") {
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_strip
[INFO] [stdout]      = note: `#[warn(clippy::manual_strip)]` on by default
[INFO] [stdout] help: try using the `strip_prefix` method
[INFO] [stdout]      |
[INFO] [stdout] 2581 ~                 if let Some(script_path) = bash_cmd.strip_prefix("__BASH_SCRIPT__") {
[INFO] [stdout] 2582 ~                     // Remove the marker prefix
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the variable `count` is used as a loop counter
[INFO] [stdout]     --> src/main.rs:3167:9
[INFO] [stdout]      |
[INFO] [stdout] 3167 |         for line_result in reader.lines() {
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `for (count, line_result) in reader.lines().enumerate()`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_counter_loop
[INFO] [stdout]      = note: `#[warn(clippy::explicit_counter_loop)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manually filling a slice
[INFO] [stdout]     --> src/main.rs:3194:13
[INFO] [stdout]      |
[INFO] [stdout] 3194 | /             for item in &mut buf {
[INFO] [stdout] 3195 | |                 *item = None;
[INFO] [stdout] 3196 | |             }
[INFO] [stdout]      | |_____________^ help: try: `buf.fill(None);`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_slice_fill
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual arithmetic check found
[INFO] [stdout]     --> src/main.rs:3219:13
[INFO] [stdout]      |
[INFO] [stdout] 3219 |             if total_lines > last_n { total_lines - last_n } else { 0 }
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `total_lines.saturating_sub(last_n)`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#implicit_saturating_sub
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: consider using `sort_by_key`
[INFO] [stdout]     --> src/main.rs:3404:5
[INFO] [stdout]      |
[INFO] [stdout] 3404 |     entries[..entry_count].sort_by(|a, b| a.0.to_lowercase().cmp(&b.0.to_lowercase()));
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_sort_by
[INFO] [stdout]      = note: `#[warn(clippy::unnecessary_sort_by)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]      |
[INFO] [stdout] 3404 -     entries[..entry_count].sort_by(|a, b| a.0.to_lowercase().cmp(&b.0.to_lowercase()));
[INFO] [stdout] 3404 +     entries[..entry_count].sort_by_key(|a| a.0.to_lowercase());
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the variable `count` is used as a loop counter
[INFO] [stdout]     --> src/main.rs:3167:9
[INFO] [stdout]      |
[INFO] [stdout] 3167 |         for line_result in reader.lines() {
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `for (count, line_result) in reader.lines().enumerate()`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_counter_loop
[INFO] [stdout]      = note: `#[warn(clippy::explicit_counter_loop)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manually filling a slice
[INFO] [stdout]     --> src/main.rs:3194:13
[INFO] [stdout]      |
[INFO] [stdout] 3194 | /             for item in &mut buf {
[INFO] [stdout] 3195 | |                 *item = None;
[INFO] [stdout] 3196 | |             }
[INFO] [stdout]      | |_____________^ help: try: `buf.fill(None);`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_slice_fill
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual arithmetic check found
[INFO] [stdout]     --> src/main.rs:3219:13
[INFO] [stdout]      |
[INFO] [stdout] 3219 |             if total_lines > last_n { total_lines - last_n } else { 0 }
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `total_lines.saturating_sub(last_n)`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#implicit_saturating_sub
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: consider using `sort_by_key`
[INFO] [stdout]     --> src/main.rs:3508:5
[INFO] [stdout]      |
[INFO] [stdout] 3508 |     entries[..entry_count].sort_by(|a, b| a.0.to_lowercase().cmp(&b.0.to_lowercase()));
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_sort_by
[INFO] [stdout] help: try
[INFO] [stdout]      |
[INFO] [stdout] 3508 -     entries[..entry_count].sort_by(|a, b| a.0.to_lowercase().cmp(&b.0.to_lowercase()));
[INFO] [stdout] 3508 +     entries[..entry_count].sort_by_key(|a| a.0.to_lowercase());
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is only used to index `entries`
[INFO] [stdout]     --> src/main.rs:3528:18
[INFO] [stdout]      |
[INFO] [stdout] 3528 |         for i in 0..entry_count {
[INFO] [stdout]      |                  ^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]      |
[INFO] [stdout] 3528 -         for i in 0..entry_count {
[INFO] [stdout] 3528 +         for <item> in entries.iter().take(entry_count) {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is only used to index `entries`
[INFO] [stdout]     --> src/main.rs:3541:14
[INFO] [stdout]      |
[INFO] [stdout] 3541 |     for i in 0..entry_count {
[INFO] [stdout]      |              ^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]      |
[INFO] [stdout] 3541 -     for i in 0..entry_count {
[INFO] [stdout] 3541 +     for <item> in entries.iter().take(entry_count) {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manually reimplementing `div_ceil`
[INFO] [stdout]     --> src/main.rs:3555:20
[INFO] [stdout]      |
[INFO] [stdout] 3555 |     let num_rows = (entry_count + num_cols - 1) / num_cols;
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `.div_ceil()`: `entry_count.div_ceil(num_cols)`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_div_ceil
[INFO] [stdout]      = note: `#[warn(clippy::manual_div_ceil)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: consider using `sort_by_key`
[INFO] [stdout]     --> src/main.rs:3404:5
[INFO] [stdout]      |
[INFO] [stdout] 3404 |     entries[..entry_count].sort_by(|a, b| a.0.to_lowercase().cmp(&b.0.to_lowercase()));
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_sort_by
[INFO] [stdout]      = note: `#[warn(clippy::unnecessary_sort_by)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]      |
[INFO] [stdout] 3404 -     entries[..entry_count].sort_by(|a, b| a.0.to_lowercase().cmp(&b.0.to_lowercase()));
[INFO] [stdout] 3404 +     entries[..entry_count].sort_by_key(|a| a.0.to_lowercase());
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: consider using `sort_by_key`
[INFO] [stdout]     --> src/main.rs:3508:5
[INFO] [stdout]      |
[INFO] [stdout] 3508 |     entries[..entry_count].sort_by(|a, b| a.0.to_lowercase().cmp(&b.0.to_lowercase()));
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_sort_by
[INFO] [stdout] help: try
[INFO] [stdout]      |
[INFO] [stdout] 3508 -     entries[..entry_count].sort_by(|a, b| a.0.to_lowercase().cmp(&b.0.to_lowercase()));
[INFO] [stdout] 3508 +     entries[..entry_count].sort_by_key(|a| a.0.to_lowercase());
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is only used to index `entries`
[INFO] [stdout]     --> src/main.rs:3528:18
[INFO] [stdout]      |
[INFO] [stdout] 3528 |         for i in 0..entry_count {
[INFO] [stdout]      |                  ^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]      |
[INFO] [stdout] 3528 -         for i in 0..entry_count {
[INFO] [stdout] 3528 +         for <item> in entries.iter().take(entry_count) {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the variable `lines_printed` is used as a loop counter
[INFO] [stdout]     --> src/main.rs:3882:5
[INFO] [stdout]      |
[INFO] [stdout] 3882 |     for line_result in reader.lines() {
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `for (lines_printed, line_result) in reader.lines().enumerate()`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_counter_loop
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is only used to index `entries`
[INFO] [stdout]     --> src/main.rs:3541:14
[INFO] [stdout]      |
[INFO] [stdout] 3541 |     for i in 0..entry_count {
[INFO] [stdout]      |              ^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]      |
[INFO] [stdout] 3541 -     for i in 0..entry_count {
[INFO] [stdout] 3541 +     for <item> in entries.iter().take(entry_count) {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` has identical blocks
[INFO] [stdout]     --> src/main.rs:3893:29
[INFO] [stdout]      |
[INFO] [stdout] 3893 |           if command.numbered {
[INFO] [stdout]      |  _____________________________^
[INFO] [stdout] 3894 | |             println!("{:6}: {}", lines_printed + 1, formatted_line);
[INFO] [stdout] 3895 | |         } else if command.original_numbers {
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout] note: same as this
[INFO] [stdout]     --> src/main.rs:3895:44
[INFO] [stdout]      |
[INFO] [stdout] 3895 |           } else if command.original_numbers {
[INFO] [stdout]      |  ____________________________________________^
[INFO] [stdout] 3896 | |             println!("{:6}: {}", lines_printed + 1, formatted_line);
[INFO] [stdout] 3897 | |         } else {
[INFO] [stdout]      | |_________^
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#if_same_then_else
[INFO] [stdout]      = note: `#[warn(clippy::if_same_then_else)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manually reimplementing `div_ceil`
[INFO] [stdout]     --> src/main.rs:3555:20
[INFO] [stdout]      |
[INFO] [stdout] 3555 |     let num_rows = (entry_count + num_cols - 1) / num_cols;
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `.div_ceil()`: `entry_count.div_ceil(num_cols)`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_div_ceil
[INFO] [stdout]      = note: `#[warn(clippy::manual_div_ceil)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manually filling a slice
[INFO] [stdout]     --> src/main.rs:3914:9
[INFO] [stdout]      |
[INFO] [stdout] 3914 | /         for item in &mut buf {
[INFO] [stdout] 3915 | |             *item = None;
[INFO] [stdout] 3916 | |         }
[INFO] [stdout]      | |_________^ help: try: `buf.fill(None);`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_slice_fill
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual arithmetic check found
[INFO] [stdout]     --> src/main.rs:3938:12
[INFO] [stdout]      |
[INFO] [stdout] 3938 |       } else if total_lines > last_n {
[INFO] [stdout]      |  ____________^
[INFO] [stdout] 3939 | |         total_lines - last_n
[INFO] [stdout] 3940 | |     } else {
[INFO] [stdout] 3941 | |         0
[INFO] [stdout] 3942 | |     };
[INFO] [stdout]      | |_____^ help: replace it with: `{ total_lines.saturating_sub(last_n) }`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#implicit_saturating_sub
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the variable `line_number` is used as a loop counter
[INFO] [stdout]     --> src/main.rs:3967:9
[INFO] [stdout]      |
[INFO] [stdout] 3967 |         for line_result in reader.lines() {
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `for (line_number, line_result) in (1..).zip(reader.lines())`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_counter_loop
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the variable `lines_printed` is used as a loop counter
[INFO] [stdout]     --> src/main.rs:3882:5
[INFO] [stdout]      |
[INFO] [stdout] 3882 |     for line_result in reader.lines() {
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `for (lines_printed, line_result) in reader.lines().enumerate()`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_counter_loop
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` has identical blocks
[INFO] [stdout]     --> src/main.rs:3893:29
[INFO] [stdout]      |
[INFO] [stdout] 3893 |           if command.numbered {
[INFO] [stdout]      |  _____________________________^
[INFO] [stdout] 3894 | |             println!("{:6}: {}", lines_printed + 1, formatted_line);
[INFO] [stdout] 3895 | |         } else if command.original_numbers {
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout] note: same as this
[INFO] [stdout]     --> src/main.rs:3895:44
[INFO] [stdout]      |
[INFO] [stdout] 3895 |           } else if command.original_numbers {
[INFO] [stdout]      |  ____________________________________________^
[INFO] [stdout] 3896 | |             println!("{:6}: {}", lines_printed + 1, formatted_line);
[INFO] [stdout] 3897 | |         } else {
[INFO] [stdout]      | |_________^
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#if_same_then_else
[INFO] [stdout]      = note: `#[warn(clippy::if_same_then_else)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `if let` since only the `Some` variant of the iterator element is used
[INFO] [stdout]     --> src/main.rs:4158:13
[INFO] [stdout]      |
[INFO] [stdout] 4158 | /             for var_opt in &vars {
[INFO] [stdout] 4159 | |                 if let Some((name, value)) = var_opt {
[INFO] [stdout] 4160 | |                     if command.raw_mode {
[INFO] [stdout] 4161 | |                         println!("{}={}", name, value);
[INFO] [stdout] ...    |
[INFO] [stdout] 4166 | |             }
[INFO] [stdout]      | |_____________^
[INFO] [stdout]      |
[INFO] [stdout] help: try `.flatten()` and remove the `if let` statement in the for loop
[INFO] [stdout]     --> src/main.rs:4159:17
[INFO] [stdout]      |
[INFO] [stdout] 4159 | /                 if let Some((name, value)) = var_opt {
[INFO] [stdout] 4160 | |                     if command.raw_mode {
[INFO] [stdout] 4161 | |                         println!("{}={}", name, value);
[INFO] [stdout] 4162 | |                     } else {
[INFO] [stdout] ...    |
[INFO] [stdout] 4165 | |                 }
[INFO] [stdout]      | |_________________^
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_flatten
[INFO] [stdout]      = note: `#[warn(clippy::manual_flatten)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]      |
[INFO] [stdout] 4158 ~             for (name, value) in vars.iter().flatten() {
[INFO] [stdout] 4159 +                 if command.raw_mode {
[INFO] [stdout] 4160 +                     println!("{}={}", name, value);
[INFO] [stdout] 4161 +                 } else {
[INFO] [stdout] 4162 +                     println!("  {}: {}", name, value);
[INFO] [stdout] 4163 +                 }
[INFO] [stdout] 4164 +             }
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manually filling a slice
[INFO] [stdout]     --> src/main.rs:3914:9
[INFO] [stdout]      |
[INFO] [stdout] 3914 | /         for item in &mut buf {
[INFO] [stdout] 3915 | |             *item = None;
[INFO] [stdout] 3916 | |         }
[INFO] [stdout]      | |_________^ help: try: `buf.fill(None);`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_slice_fill
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `if let` since only the `Some` variant of the iterator element is used
[INFO] [stdout]     --> src/main.rs:4203:9
[INFO] [stdout]      |
[INFO] [stdout] 4203 | /         for var_opt in &vars {
[INFO] [stdout] 4204 | |             if let Some((name, value)) = var_opt {
[INFO] [stdout] 4205 | |                 if command.raw_mode {
[INFO] [stdout] 4206 | |                     println!("{}={}", name, value);
[INFO] [stdout] ...    |
[INFO] [stdout] 4211 | |         }
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout] help: try `.flatten()` and remove the `if let` statement in the for loop
[INFO] [stdout]     --> src/main.rs:4204:13
[INFO] [stdout]      |
[INFO] [stdout] 4204 | /             if let Some((name, value)) = var_opt {
[INFO] [stdout] 4205 | |                 if command.raw_mode {
[INFO] [stdout] 4206 | |                     println!("{}={}", name, value);
[INFO] [stdout] 4207 | |                 } else {
[INFO] [stdout] ...    |
[INFO] [stdout] 4210 | |             }
[INFO] [stdout]      | |_____________^
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_flatten
[INFO] [stdout] help: try
[INFO] [stdout]      |
[INFO] [stdout] 4203 ~         for (name, value) in vars.iter().flatten() {
[INFO] [stdout] 4204 +             if command.raw_mode {
[INFO] [stdout] 4205 +                 println!("{}={}", name, value);
[INFO] [stdout] 4206 +             } else {
[INFO] [stdout] 4207 +                 println!("  {}: {}", name, value);
[INFO] [stdout] 4208 +             }
[INFO] [stdout] 4209 +         }
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual arithmetic check found
[INFO] [stdout]     --> src/main.rs:3938:12
[INFO] [stdout]      |
[INFO] [stdout] 3938 |       } else if total_lines > last_n {
[INFO] [stdout]      |  ____________^
[INFO] [stdout] 3939 | |         total_lines - last_n
[INFO] [stdout] 3940 | |     } else {
[INFO] [stdout] 3941 | |         0
[INFO] [stdout] 3942 | |     };
[INFO] [stdout]      | |_____^ help: replace it with: `{ total_lines.saturating_sub(last_n) }`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#implicit_saturating_sub
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `if let` since only the `Some` variant of the iterator element is used
[INFO] [stdout]     --> src/main.rs:4236:9
[INFO] [stdout]      |
[INFO] [stdout] 4236 | /         for var_opt in &vars {
[INFO] [stdout] 4237 | |             if let Some((name, value)) = var_opt {
[INFO] [stdout] 4238 | |                 if command.raw_mode {
[INFO] [stdout] 4239 | |                     println!("{}={}", name, value);
[INFO] [stdout] ...    |
[INFO] [stdout] 4244 | |         }
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout] help: try `.flatten()` and remove the `if let` statement in the for loop
[INFO] [stdout]     --> src/main.rs:4237:13
[INFO] [stdout]      |
[INFO] [stdout] 4237 | /             if let Some((name, value)) = var_opt {
[INFO] [stdout] 4238 | |                 if command.raw_mode {
[INFO] [stdout] 4239 | |                     println!("{}={}", name, value);
[INFO] [stdout] 4240 | |                 } else {
[INFO] [stdout] ...    |
[INFO] [stdout] 4243 | |             }
[INFO] [stdout]      | |_____________^
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_flatten
[INFO] [stdout] help: try
[INFO] [stdout]      |
[INFO] [stdout] 4236 ~         for (name, value) in vars.iter().flatten() {
[INFO] [stdout] 4237 +             if command.raw_mode {
[INFO] [stdout] 4238 +                 println!("{}={}", name, value);
[INFO] [stdout] 4239 +             } else {
[INFO] [stdout] 4240 +                 println!("  {}: {}", name, value);
[INFO] [stdout] 4241 +             }
[INFO] [stdout] 4242 +         }
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the variable `line_number` is used as a loop counter
[INFO] [stdout]     --> src/main.rs:3967:9
[INFO] [stdout]      |
[INFO] [stdout] 3967 |         for line_result in reader.lines() {
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `for (line_number, line_result) in (1..).zip(reader.lines())`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_counter_loop
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is used to index `block_lines`
[INFO] [stdout]     --> src/main.rs:4381:34
[INFO] [stdout]      |
[INFO] [stdout] 4381 |                         for i in 0..block_line_count {
[INFO] [stdout]      |                                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator and enumerate()
[INFO] [stdout]      |
[INFO] [stdout] 4381 -                         for i in 0..block_line_count {
[INFO] [stdout] 4381 +                         for (i, <item>) in block_lines.iter().enumerate().take(block_line_count) {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `if let` since only the `Some` variant of the iterator element is used
[INFO] [stdout]     --> src/main.rs:4158:13
[INFO] [stdout]      |
[INFO] [stdout] 4158 | /             for var_opt in &vars {
[INFO] [stdout] 4159 | |                 if let Some((name, value)) = var_opt {
[INFO] [stdout] 4160 | |                     if command.raw_mode {
[INFO] [stdout] 4161 | |                         println!("{}={}", name, value);
[INFO] [stdout] ...    |
[INFO] [stdout] 4166 | |             }
[INFO] [stdout]      | |_____________^
[INFO] [stdout]      |
[INFO] [stdout] help: try `.flatten()` and remove the `if let` statement in the for loop
[INFO] [stdout]     --> src/main.rs:4159:17
[INFO] [stdout]      |
[INFO] [stdout] 4159 | /                 if let Some((name, value)) = var_opt {
[INFO] [stdout] 4160 | |                     if command.raw_mode {
[INFO] [stdout] 4161 | |                         println!("{}={}", name, value);
[INFO] [stdout] 4162 | |                     } else {
[INFO] [stdout] ...    |
[INFO] [stdout] 4165 | |                 }
[INFO] [stdout]      | |_________________^
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_flatten
[INFO] [stdout]      = note: `#[warn(clippy::manual_flatten)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]      |
[INFO] [stdout] 4158 ~             for (name, value) in vars.iter().flatten() {
[INFO] [stdout] 4159 +                 if command.raw_mode {
[INFO] [stdout] 4160 +                     println!("{}={}", name, value);
[INFO] [stdout] 4161 +                 } else {
[INFO] [stdout] 4162 +                     println!("  {}: {}", name, value);
[INFO] [stdout] 4163 +                 }
[INFO] [stdout] 4164 +             }
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `if let` since only the `Some` variant of the iterator element is used
[INFO] [stdout]     --> src/main.rs:4203:9
[INFO] [stdout]      |
[INFO] [stdout] 4203 | /         for var_opt in &vars {
[INFO] [stdout] 4204 | |             if let Some((name, value)) = var_opt {
[INFO] [stdout] 4205 | |                 if command.raw_mode {
[INFO] [stdout] 4206 | |                     println!("{}={}", name, value);
[INFO] [stdout] ...    |
[INFO] [stdout] 4211 | |         }
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout] help: try `.flatten()` and remove the `if let` statement in the for loop
[INFO] [stdout]     --> src/main.rs:4204:13
[INFO] [stdout]      |
[INFO] [stdout] 4204 | /             if let Some((name, value)) = var_opt {
[INFO] [stdout] 4205 | |                 if command.raw_mode {
[INFO] [stdout] 4206 | |                     println!("{}={}", name, value);
[INFO] [stdout] 4207 | |                 } else {
[INFO] [stdout] ...    |
[INFO] [stdout] 4210 | |             }
[INFO] [stdout]      | |_____________^
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_flatten
[INFO] [stdout] help: try
[INFO] [stdout]      |
[INFO] [stdout] 4203 ~         for (name, value) in vars.iter().flatten() {
[INFO] [stdout] 4204 +             if command.raw_mode {
[INFO] [stdout] 4205 +                 println!("{}={}", name, value);
[INFO] [stdout] 4206 +             } else {
[INFO] [stdout] 4207 +                 println!("  {}: {}", name, value);
[INFO] [stdout] 4208 +             }
[INFO] [stdout] 4209 +         }
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `if let` since only the `Some` variant of the iterator element is used
[INFO] [stdout]     --> src/main.rs:4236:9
[INFO] [stdout]      |
[INFO] [stdout] 4236 | /         for var_opt in &vars {
[INFO] [stdout] 4237 | |             if let Some((name, value)) = var_opt {
[INFO] [stdout] 4238 | |                 if command.raw_mode {
[INFO] [stdout] 4239 | |                     println!("{}={}", name, value);
[INFO] [stdout] ...    |
[INFO] [stdout] 4244 | |         }
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout] help: try `.flatten()` and remove the `if let` statement in the for loop
[INFO] [stdout]     --> src/main.rs:4237:13
[INFO] [stdout]      |
[INFO] [stdout] 4237 | /             if let Some((name, value)) = var_opt {
[INFO] [stdout] 4238 | |                 if command.raw_mode {
[INFO] [stdout] 4239 | |                     println!("{}={}", name, value);
[INFO] [stdout] 4240 | |                 } else {
[INFO] [stdout] ...    |
[INFO] [stdout] 4243 | |             }
[INFO] [stdout]      | |_____________^
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_flatten
[INFO] [stdout] help: try
[INFO] [stdout]      |
[INFO] [stdout] 4236 ~         for (name, value) in vars.iter().flatten() {
[INFO] [stdout] 4237 +             if command.raw_mode {
[INFO] [stdout] 4238 +                 println!("{}={}", name, value);
[INFO] [stdout] 4239 +             } else {
[INFO] [stdout] 4240 +                 println!("  {}: {}", name, value);
[INFO] [stdout] 4241 +             }
[INFO] [stdout] 4242 +         }
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is used to index `block_lines`
[INFO] [stdout]     --> src/main.rs:4381:34
[INFO] [stdout]      |
[INFO] [stdout] 4381 |                         for i in 0..block_line_count {
[INFO] [stdout]      |                                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator and enumerate()
[INFO] [stdout]      |
[INFO] [stdout] 4381 -                         for i in 0..block_line_count {
[INFO] [stdout] 4381 +                         for (i, <item>) in block_lines.iter().enumerate().take(block_line_count) {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: stripping a prefix manually
[INFO] [stdout]     --> src/main.rs:4898:23
[INFO] [stdout]      |
[INFO] [stdout] 4898 |         let content = pattern_str[9..].trim(); // Everything after "&start &="
[INFO] [stdout]      |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] note: the prefix was tested here
[INFO] [stdout]     --> src/main.rs:4896:5
[INFO] [stdout]      |
[INFO] [stdout] 4896 |     if pattern_str.starts_with("&start &=") {
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_strip
[INFO] [stdout] help: try using the `strip_prefix` method
[INFO] [stdout]      |
[INFO] [stdout] 4896 ~     if let Some(<stripped>) = pattern_str.strip_prefix("&start &=") {
[INFO] [stdout] 4897 |         pattern.start_anchor = true;
[INFO] [stdout] 4898 ~         let content = <stripped>.trim(); // Everything after "&start &="
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: stripping a prefix manually
[INFO] [stdout]     --> src/main.rs:4923:35
[INFO] [stdout]      |
[INFO] [stdout] 4923 |                 let end_content = end_part[7..].trim(); // After "&end &="
[INFO] [stdout]      |                                   ^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] note: the prefix was tested here
[INFO] [stdout]     --> src/main.rs:4921:13
[INFO] [stdout]      |
[INFO] [stdout] 4921 |             if end_part.starts_with("&end &=") {
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_strip
[INFO] [stdout] help: try using the `strip_prefix` method
[INFO] [stdout]      |
[INFO] [stdout] 4921 ~             if let Some(<stripped>) = end_part.strip_prefix("&end &=") {
[INFO] [stdout] 4922 |                 pattern.end_anchor = true;
[INFO] [stdout] 4923 ~                 let end_content = <stripped>.trim(); // After "&end &="
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: stripping a prefix manually
[INFO] [stdout]     --> src/main.rs:4949:23
[INFO] [stdout]      |
[INFO] [stdout] 4949 |         let content = pattern_str[7..].trim(); // Everything after "&end &="
[INFO] [stdout]      |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] note: the prefix was tested here
[INFO] [stdout]     --> src/main.rs:4947:12
[INFO] [stdout]      |
[INFO] [stdout] 4947 |     } else if pattern_str.starts_with("&end &=") {
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_strip
[INFO] [stdout] help: try using the `strip_prefix` method
[INFO] [stdout]      |
[INFO] [stdout] 4947 ~     } else if let Some(<stripped>) = pattern_str.strip_prefix("&end &=") {
[INFO] [stdout] 4948 |         pattern.end_anchor = true;
[INFO] [stdout] 4949 ~         let content = <stripped>.trim(); // Everything after "&end &="
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to one
[INFO] [stdout]     --> src/main.rs:5234:8
[INFO] [stdout]      |
[INFO] [stdout] 5234 |     if args.len() >= 1 {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!args.is_empty()`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout]      = note: `#[warn(clippy::len_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: stripping a prefix manually
[INFO] [stdout]     --> src/main.rs:4898:23
[INFO] [stdout]      |
[INFO] [stdout] 4898 |         let content = pattern_str[9..].trim(); // Everything after "&start &="
[INFO] [stdout]      |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] note: the prefix was tested here
[INFO] [stdout]     --> src/main.rs:4896:5
[INFO] [stdout]      |
[INFO] [stdout] 4896 |     if pattern_str.starts_with("&start &=") {
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_strip
[INFO] [stdout] help: try using the `strip_prefix` method
[INFO] [stdout]      |
[INFO] [stdout] 4896 ~     if let Some(<stripped>) = pattern_str.strip_prefix("&start &=") {
[INFO] [stdout] 4897 |         pattern.start_anchor = true;
[INFO] [stdout] 4898 ~         let content = <stripped>.trim(); // Everything after "&start &="
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: stripping a prefix manually
[INFO] [stdout]     --> src/main.rs:4923:35
[INFO] [stdout]      |
[INFO] [stdout] 4923 |                 let end_content = end_part[7..].trim(); // After "&end &="
[INFO] [stdout]      |                                   ^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] note: the prefix was tested here
[INFO] [stdout]     --> src/main.rs:4921:13
[INFO] [stdout]      |
[INFO] [stdout] 4921 |             if end_part.starts_with("&end &=") {
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_strip
[INFO] [stdout] help: try using the `strip_prefix` method
[INFO] [stdout]      |
[INFO] [stdout] 4921 ~             if let Some(<stripped>) = end_part.strip_prefix("&end &=") {
[INFO] [stdout] 4922 |                 pattern.end_anchor = true;
[INFO] [stdout] 4923 ~                 let end_content = <stripped>.trim(); // After "&end &="
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: accessing first element with `args.get(0)`
[INFO] [stdout]     --> src/main.rs:5418:24
[INFO] [stdout]      |
[INFO] [stdout] 5418 |     if let Some(arg) = args.get(0) {
[INFO] [stdout]      |                        ^^^^^^^^^^^ help: try: `args.first()`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_first
[INFO] [stdout]      = note: `#[warn(clippy::get_first)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: stripping a prefix manually
[INFO] [stdout]     --> src/main.rs:4949:23
[INFO] [stdout]      |
[INFO] [stdout] 4949 |         let content = pattern_str[7..].trim(); // Everything after "&end &="
[INFO] [stdout]      |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] note: the prefix was tested here
[INFO] [stdout]     --> src/main.rs:4947:12
[INFO] [stdout]      |
[INFO] [stdout] 4947 |     } else if pattern_str.starts_with("&end &=") {
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_strip
[INFO] [stdout] help: try using the `strip_prefix` method
[INFO] [stdout]      |
[INFO] [stdout] 4947 ~     } else if let Some(<stripped>) = pattern_str.strip_prefix("&end &=") {
[INFO] [stdout] 4948 |         pattern.end_anchor = true;
[INFO] [stdout] 4949 ~         let content = <stripped>.trim(); // Everything after "&end &="
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: accessing first element with `args.get(0)`
[INFO] [stdout]     --> src/main.rs:5432:24
[INFO] [stdout]      |
[INFO] [stdout] 5432 |     if let Some(arg) = args.get(0) {
[INFO] [stdout]      |                        ^^^^^^^^^^^ help: try: `args.first()`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_first
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to one
[INFO] [stdout]     --> src/main.rs:5234:8
[INFO] [stdout]      |
[INFO] [stdout] 5234 |     if args.len() >= 1 {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!args.is_empty()`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout]      = note: `#[warn(clippy::len_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: accessing first element with `args.get(0)`
[INFO] [stdout]     --> src/main.rs:5418:24
[INFO] [stdout]      |
[INFO] [stdout] 5418 |     if let Some(arg) = args.get(0) {
[INFO] [stdout]      |                        ^^^^^^^^^^^ help: try: `args.first()`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_first
[INFO] [stdout]      = note: `#[warn(clippy::get_first)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: accessing first element with `args.get(0)`
[INFO] [stdout]     --> src/main.rs:5432:24
[INFO] [stdout]      |
[INFO] [stdout] 5432 |     if let Some(arg) = args.get(0) {
[INFO] [stdout]      |                        ^^^^^^^^^^^ help: try: `args.first()`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_first
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.37s
[INFO] running `Command { std: "docker" "inspect" "5a1d5a32df2d719e0c06f683899080e4ca41ec85ab6d0031129143f0438fa60c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a1d5a32df2d719e0c06f683899080e4ca41ec85ab6d0031129143f0438fa60c", kill_on_drop: false }`
[INFO] [stdout] 5a1d5a32df2d719e0c06f683899080e4ca41ec85ab6d0031129143f0438fa60c