[INFO] cloning repository https://github.com/Lubba-64/learningRustLang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lubba-64/learningRustLang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLubba-64%2FlearningRustLang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLubba-64%2FlearningRustLang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 025963cfb9a72c31ce726c91377a8751a694de1c
[INFO] linting Lubba-64/learningRustLang against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLubba-64%2FlearningRustLang" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Lubba-64/learningRustLang
[INFO] finished tweaking git repo https://github.com/Lubba-64/learningRustLang
[INFO] tweaked toml for git repo https://github.com/Lubba-64/learningRustLang written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Lubba-64/learningRustLang 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/Lubba-64/learningRustLang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 440d5545e4dfa846f5584a8575732958949348ef026c38bc98f478b1c3ddeb3f
[INFO] running `Command { std: "docker" "start" "-a" "440d5545e4dfa846f5584a8575732958949348ef026c38bc98f478b1c3ddeb3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "440d5545e4dfa846f5584a8575732958949348ef026c38bc98f478b1c3ddeb3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "440d5545e4dfa846f5584a8575732958949348ef026c38bc98f478b1c3ddeb3f", kill_on_drop: false }`
[INFO] [stdout] 440d5545e4dfa846f5584a8575732958949348ef026c38bc98f478b1c3ddeb3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b56e2e731c70fe7034f169a5a2dabdb3cea169b4c49dd230372cc9066deee37f
[INFO] running `Command { std: "docker" "start" "-a" "b56e2e731c70fe7034f169a5a2dabdb3cea169b4c49dd230372cc9066deee37f", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking learningrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the loop variable `i` is used to index `current_guessed_word`
[INFO] [stdout]   --> src/hangman.rs:42:22
[INFO] [stdout]    |
[INFO] [stdout] 42 |             for i in 0..current_guessed_word.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] 42 -             for i in 0..current_guessed_word.len(){
[INFO] [stdout] 42 +             for (i, <item>) in current_guessed_word.iter_mut().enumerate(){
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]  --> src/my_io.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |             return input;
[INFO] [stdout]   |             ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]   = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]   |
[INFO] [stdout] 8 -             return input;
[INFO] [stdout] 8 +             input
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/my_io.rs:10:21
[INFO] [stdout]    |
[INFO] [stdout] 10 |         Err(e) => { return e.to_string(); }
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 10 -         Err(e) => { return e.to_string(); }
[INFO] [stdout] 10 +         Err(e) => { e.to_string()}
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/my_io.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     return result;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 20 -     return result;
[INFO] [stdout] 20 +     result
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/my_io.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     if ln.len() != 0 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!ln.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: this boolean expression can be simplified
[INFO] [stdout]   --> src/my_io.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |         if !parse_res.is_err(){
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^ help: try: `parse_res.is_ok()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/my_io.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     return result;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 35 -     return result;
[INFO] [stdout] 35 +     result
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/my_io.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     if ln.len() != 0 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!ln.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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/general.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     return result;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 16 -     return result;
[INFO] [stdout] 16 +     result
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/general.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     return unique;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 29 -     return unique;
[INFO] [stdout] 29 +     unique
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/general.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |     if _str.len() == 0 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `_str.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] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to use `.enumerate()` and immediately discard the index
[INFO] [stdout]   --> src/general.rs:24:32
[INFO] [stdout]    |
[INFO] [stdout] 24 |     for (_i, x) in _str.chars().enumerate(){
[INFO] [stdout]    |                                ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_enumerate_index
[INFO] [stdout]    = note: `#[warn(clippy::unused_enumerate_index)]` on by default
[INFO] [stdout] help: remove the `.enumerate()` call
[INFO] [stdout]    |
[INFO] [stdout] 24 -     for (_i, x) in _str.chars().enumerate(){
[INFO] [stdout] 24 +     for x in _str.chars(){
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `Vec`
[INFO] [stdout]   --> src/main.rs:30:34
[INFO] [stdout]    |
[INFO] [stdout] 30 |     for module in module_options.into_iter(){
[INFO] [stdout]    |                                  ^^^^^^^^^ help: call directly: `iter`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stdout]    = note: `#[warn(clippy::into_iter_on_ref)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is used to index `current_guessed_word`
[INFO] [stdout]   --> src/hangman.rs:42:22
[INFO] [stdout]    |
[INFO] [stdout] 42 |             for i in 0..current_guessed_word.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] 42 -             for i in 0..current_guessed_word.len(){
[INFO] [stdout] 42 +             for (i, <item>) in current_guessed_word.iter_mut().enumerate(){
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]  --> src/my_io.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |             return input;
[INFO] [stdout]   |             ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]   = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]   |
[INFO] [stdout] 8 -             return input;
[INFO] [stdout] 8 +             input
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::iter::Map<std::slice::Iter<'_, Module<'_>>, for<'a, 'b> fn(&'a Module<'b>) -> &'a str {choose::get_name}>`
[INFO] [stdout]   --> src/main.rs:43:41
[INFO] [stdout]    |
[INFO] [stdout] 43 |     println!("{}", general::concat_iter(module_options.into_iter().map(get_name).into_iter(), "\n"));
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `module_options.into_iter().map(get_name)`
[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: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `Vec`
[INFO] [stdout]   --> src/main.rs:43:56
[INFO] [stdout]    |
[INFO] [stdout] 43 |     println!("{}", general::concat_iter(module_options.into_iter().map(get_name).into_iter(), "\n"));
[INFO] [stdout]    |                                                        ^^^^^^^^^ help: call directly: `iter`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/my_io.rs:10:21
[INFO] [stdout]    |
[INFO] [stdout] 10 |         Err(e) => { return e.to_string(); }
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 10 -         Err(e) => { return e.to_string(); }
[INFO] [stdout] 10 +         Err(e) => { e.to_string()}
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/my_io.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     return result;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 20 -     return result;
[INFO] [stdout] 20 +     result
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/my_io.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     if ln.len() != 0 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!ln.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: this boolean expression can be simplified
[INFO] [stdout]   --> src/my_io.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |         if !parse_res.is_err(){
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^ help: try: `parse_res.is_ok()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/my_io.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     return result;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 35 -     return result;
[INFO] [stdout] 35 +     result
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/my_io.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     if ln.len() != 0 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!ln.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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/general.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     return result;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 16 -     return result;
[INFO] [stdout] 16 +     result
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/general.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     return unique;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 29 -     return unique;
[INFO] [stdout] 29 +     unique
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/general.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |     if _str.len() == 0 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `_str.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] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to use `.enumerate()` and immediately discard the index
[INFO] [stdout]   --> src/general.rs:24:32
[INFO] [stdout]    |
[INFO] [stdout] 24 |     for (_i, x) in _str.chars().enumerate(){
[INFO] [stdout]    |                                ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_enumerate_index
[INFO] [stdout]    = note: `#[warn(clippy::unused_enumerate_index)]` on by default
[INFO] [stdout] help: remove the `.enumerate()` call
[INFO] [stdout]    |
[INFO] [stdout] 24 -     for (_i, x) in _str.chars().enumerate(){
[INFO] [stdout] 24 +     for x in _str.chars(){
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `Vec`
[INFO] [stdout]   --> src/main.rs:30:34
[INFO] [stdout]    |
[INFO] [stdout] 30 |     for module in module_options.into_iter(){
[INFO] [stdout]    |                                  ^^^^^^^^^ help: call directly: `iter`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stdout]    = note: `#[warn(clippy::into_iter_on_ref)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::iter::Map<std::slice::Iter<'_, Module<'_>>, for<'a, 'b> fn(&'a Module<'b>) -> &'a str {choose::get_name}>`
[INFO] [stdout]   --> src/main.rs:43:41
[INFO] [stdout]    |
[INFO] [stdout] 43 |     println!("{}", general::concat_iter(module_options.into_iter().map(get_name).into_iter(), "\n"));
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `module_options.into_iter().map(get_name)`
[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: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `Vec`
[INFO] [stdout]   --> src/main.rs:43:56
[INFO] [stdout]    |
[INFO] [stdout] 43 |     println!("{}", general::concat_iter(module_options.into_iter().map(get_name).into_iter(), "\n"));
[INFO] [stdout]    |                                                        ^^^^^^^^^ help: call directly: `iter`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `Command { std: "docker" "inspect" "b56e2e731c70fe7034f169a5a2dabdb3cea169b4c49dd230372cc9066deee37f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b56e2e731c70fe7034f169a5a2dabdb3cea169b4c49dd230372cc9066deee37f", kill_on_drop: false }`
[INFO] [stdout] b56e2e731c70fe7034f169a5a2dabdb3cea169b4c49dd230372cc9066deee37f