[INFO] updating cached repository anztrax/learnrust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/anztrax/learnrust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/anztrax/learnrust" "work/ex/clippy-test-run/sources/stable/gh/anztrax/learnrust"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/anztrax/learnrust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/anztrax/learnrust" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/anztrax/learnrust"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/anztrax/learnrust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d04f8dcbd5690f4b590bcf9fdaaccaa6fa844a9f
[INFO] sha for GitHub repo anztrax/learnrust: d04f8dcbd5690f4b590bcf9fdaaccaa6fa844a9f
[INFO] validating manifest of anztrax/learnrust on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of anztrax/learnrust on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing anztrax/learnrust
[INFO] finished frobbing anztrax/learnrust
[INFO] frobbed toml for anztrax/learnrust written to work/ex/clippy-test-run/sources/stable/gh/anztrax/learnrust/Cargo.toml
[INFO] started frobbing anztrax/learnrust
[INFO] finished frobbing anztrax/learnrust
[INFO] frobbed toml for anztrax/learnrust written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/anztrax/learnrust/Cargo.toml
[INFO] crate anztrax/learnrust has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting anztrax/learnrust against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/anztrax/learnrust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dclippy::into_iter_on_array" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] fff225113a196148a0f9457cf6efe2d68cc1698b0889710c8d142e0af7be2743
[INFO] running `"docker" "start" "-a" "fff225113a196148a0f9457cf6efe2d68cc1698b0889710c8d142e0af7be2743"`
[INFO] [stderr]     Checking learnrust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `::lessons::Rectangle::Rectangle`
[INFO] [stderr]  --> src/adder/mod.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ::lessons::Rectangle::Rectangle;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `::lessons::Guess::Guess`
[INFO] [stderr]  --> src/adder/mod.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use ::lessons::Guess::Guess;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/closures/learnClosure.rs:91:9
[INFO] [stderr]     |
[INFO] [stderr] 91  |     } else{
[INFO] [stderr]     |  _________^
[INFO] [stderr] 92  | |     if random_number == 3 {
[INFO] [stderr] 93  | |       println!("Take a break today! Remember to stay hydrated!");
[INFO] [stderr] 94  | |     } else {
[INFO] [stderr] ...   |
[INFO] [stderr] 99  | |     }
[INFO] [stderr] 100 | |   }
[INFO] [stderr]     | |___^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 91  |   } elseif random_number == 3 {
[INFO] [stderr] 92  |   println!("Take a break today! Remember to stay hydrated!");
[INFO] [stderr] 93  | } else {
[INFO] [stderr] 94  |   println!(
[INFO] [stderr] 95  |     "Today, run for {} minutes!",
[INFO] [stderr] 96  |     expensive_result.value(intensity)
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/closures/learnIterator.rs:30:7
[INFO] [stderr]    |
[INFO] [stderr] 30 |     if(self.count < 6){
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/closures/learnClosure.rs:91:9
[INFO] [stderr]     |
[INFO] [stderr] 91  |     } else{
[INFO] [stderr]     |  _________^
[INFO] [stderr] 92  | |     if random_number == 3 {
[INFO] [stderr] 93  | |       println!("Take a break today! Remember to stay hydrated!");
[INFO] [stderr] 94  | |     } else {
[INFO] [stderr] ...   |
[INFO] [stderr] 99  | |     }
[INFO] [stderr] 100 | |   }
[INFO] [stderr]     | |___^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 91  |   } elseif random_number == 3 {
[INFO] [stderr] 92  |   println!("Take a break today! Remember to stay hydrated!");
[INFO] [stderr] 93  | } else {
[INFO] [stderr] 94  |   println!(
[INFO] [stderr] 95  |     "Today, run for {} minutes!",
[INFO] [stderr] 96  |     expensive_result.value(intensity)
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/closures/learnIterator.rs:30:7
[INFO] [stderr]    |
[INFO] [stderr] 30 |     if(self.count < 6){
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v_reference`
[INFO] [stderr]   --> src/lessons/commonCollection.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let v_reference = &v[v_index];
[INFO] [stderr]    |         ^^^^^^^^^^^ help: consider using `_v_reference` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s2`
[INFO] [stderr]   --> src/lessons/tryStringCollection.rs:24:7
[INFO] [stderr]    |
[INFO] [stderr] 24 |   let s2 = String::from("tac");
[INFO] [stderr]    |       ^^ help: consider using `_s2` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `point2`
[INFO] [stderr]   --> src/lessons/tryGenericTypes.rs:48:7
[INFO] [stderr]    |
[INFO] [stderr] 48 |   let point2 = Point{x : 10.1, y: 20.2};
[INFO] [stderr]    |       ^^^^^^ help: consider using `_point2` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `point2_2`
[INFO] [stderr]   --> src/lessons/tryGenericTypes.rs:53:7
[INFO] [stderr]    |
[INFO] [stderr] 53 |   let point2_2 = Point2{x : 20, y : 20.1};
[INFO] [stderr]    |       ^^^^^^^^ help: consider using `_point2_2` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `intensity`
[INFO] [stderr]   --> src/closures/learnClosure.rs:41:40
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub fn simulated_expensive_calculation(intensity: u32){
[INFO] [stderr]    |                                        ^^^^^^^^^ help: consider using `_intensity` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expensive_result2`
[INFO] [stderr]   --> src/closures/learnClosure.rs:62:7
[INFO] [stderr]    |
[INFO] [stderr] 62 |   let expensive_result2 = expensive_calculation(intensity);
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^ help: consider using `_expensive_result2` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expensive_result3`
[INFO] [stderr]   --> src/closures/learnClosure.rs:63:7
[INFO] [stderr]    |
[INFO] [stderr] 63 |   let expensive_result3 = |num: u32| -> u32{
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^ help: consider using `_expensive_result3` instead
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `returns_summarizable`
[INFO] [stderr]    --> src/lessons/tryGenericTypes.rs:132:1
[INFO] [stderr]     |
[INFO] [stderr] 132 | fn returns_summarizable() -> impl Summary {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `value`
[INFO] [stderr]  --> src/lessons/Guess.rs:2:3
[INFO] [stderr]   |
[INFO] [stderr] 2 |   value:u32,
[INFO] [stderr]   |   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: module `commonCollection` should have a snake case name such as `common_collection`
[INFO] [stderr]  --> src/lessons/mod.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub mod commonCollection;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `tryCommonCollection` should have a snake case name such as `try_common_collection`
[INFO] [stderr]   --> src/lessons/commonCollection.rs:8:1
[INFO] [stderr]    |
[INFO] [stderr] 8  | / pub fn tryCommonCollection(){
[INFO] [stderr] 9  | |     let v = vec![1,2,3];
[INFO] [stderr] 10 | |     println!("vector value : {:#?}", v);
[INFO] [stderr] 11 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 65 | |     println!("row data : {:?}", row);
[INFO] [stderr] 66 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/lessons/commonCollection.rs:38:18
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let first = &v[0].clone();
[INFO] [stderr]    |                  ^^^^^^^^^^^^ help: try removing the `clone` call: `v[0]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: module `tryStringCollection` should have a snake case name such as `try_string_collection`
[INFO] [stderr]  --> src/lessons/mod.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub mod tryStringCollection;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `tryUpdateString` should have a snake case name such as `try_update_string`
[INFO] [stderr]   --> src/lessons/tryStringCollection.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / pub fn tryUpdateString(){
[INFO] [stderr] 2  | |   println!("==============================");
[INFO] [stderr] 3  | |
[INFO] [stderr] 4  | |   let mut s = String::from("foo");
[INFO] [stderr] ...  |
[INFO] [stderr] 37 | |   println!("==============================");
[INFO] [stderr] 38 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v_reference`
[INFO] [stderr]   --> src/lessons/commonCollection.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let v_reference = &v[v_index];
[INFO] [stderr]    |         ^^^^^^^^^^^ help: consider using `_v_reference` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s2`
[INFO] [stderr]   --> src/lessons/tryStringCollection.rs:24:7
[INFO] [stderr]    |
[INFO] [stderr] 24 |   let s2 = String::from("tac");
[INFO] [stderr]    |       ^^ help: consider using `_s2` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `point2`
[INFO] [stderr]   --> src/lessons/tryGenericTypes.rs:48:7
[INFO] [stderr]    |
[INFO] [stderr] 48 |   let point2 = Point{x : 10.1, y: 20.2};
[INFO] [stderr]    |       ^^^^^^ help: consider using `_point2` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `point2_2`
[INFO] [stderr]   --> src/lessons/tryGenericTypes.rs:53:7
[INFO] [stderr]    |
[INFO] [stderr] 53 |   let point2_2 = Point2{x : 20, y : 20.1};
[INFO] [stderr]    |       ^^^^^^^^ help: consider using `_point2_2` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `intensity`
[INFO] [stderr]   --> src/closures/learnClosure.rs:41:40
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub fn simulated_expensive_calculation(intensity: u32){
[INFO] [stderr]    |                                        ^^^^^^^^^ help: consider using `_intensity` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expensive_result2`
[INFO] [stderr]   --> src/closures/learnClosure.rs:62:7
[INFO] [stderr]    |
[INFO] [stderr] 62 |   let expensive_result2 = expensive_calculation(intensity);
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^ help: consider using `_expensive_result2` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expensive_result3`
[INFO] [stderr]   --> src/closures/learnClosure.rs:63:7
[INFO] [stderr]    |
[INFO] [stderr] 63 |   let expensive_result3 = |num: u32| -> u32{
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^ help: consider using `_expensive_result3` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `guess`
[INFO] [stderr]   --> src/adder/mod.rs:45:7
[INFO] [stderr]    |
[INFO] [stderr] 45 |   let guess = Guess::new(0);
[INFO] [stderr]    |       ^^^^^ help: consider using `_guess` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]   --> src/adder/mod.rs:74:7
[INFO] [stderr]    |
[INFO] [stderr] 74 |   let y = 10;
[INFO] [stderr]    |       ^ help: consider using `_y` instead
[INFO] [stderr] 
[INFO] [stderr] warning: module `tryHashMapCollection` should have a snake case name such as `try_hash_map_collection`
[INFO] [stderr]  --> src/lessons/mod.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub mod tryHashMapCollection;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `tryHashMap` should have a snake case name such as `try_hash_map`
[INFO] [stderr]   --> src/lessons/tryHashMapCollection.rs:3:1
[INFO] [stderr]    |
[INFO] [stderr] 3  | / pub fn tryHashMap(){
[INFO] [stderr] 4  | |   println!("========================");
[INFO] [stderr] 5  | |
[INFO] [stderr] 6  | |   let mut scores = HashMap::new();
[INFO] [stderr] ...  |
[INFO] [stderr] 52 | |   println!("========================");
[INFO] [stderr] 53 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: module `recoverableError` should have a snake case name such as `recoverable_error`
[INFO] [stderr]  --> src/lessons/mod.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub mod recoverableError;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `recoverableError` should have a snake case name such as `recoverable_error`
[INFO] [stderr]   --> src/lessons/recoverableError.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | / pub fn recoverableError(){
[INFO] [stderr] 28 | |   let f = File::open("hello.txt");
[INFO] [stderr] 29 | |   let t = match f{
[INFO] [stderr] 30 | |     Ok(file) => file,
[INFO] [stderr] ...  |
[INFO] [stderr] 54 | |   println!("file value : {:?}", t);
[INFO] [stderr] 55 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: module `tryGenericTypes` should have a snake case name such as `try_generic_types`
[INFO] [stderr]  --> src/lessons/mod.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub mod tryGenericTypes;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]   --> src/lessons/tryGenericTypes.rs:41:32
[INFO] [stderr]    |
[INFO] [stderr] 41 |   let largest_number = largest(&(vec![10, 20, 50, 60, 100]));
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&[10, 20, 50, 60, 100]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::useless_vec)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]   --> src/lessons/tryGenericTypes.rs:44:32
[INFO] [stderr]    |
[INFO] [stderr] 44 |   let largest_number = largest(&(vec![10, 20, 50, 60, 100, 1000]));
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&[10, 20, 50, 60, 100, 1000]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]   --> src/lessons/tryGenericTypes.rs:60:34
[INFO] [stderr]    |
[INFO] [stderr] 60 |   let largest1 = largest_generic(&(vec!['a', 'b', 'z']));
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&['a', 'b', 'z']`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]   --> src/lessons/tryGenericTypes.rs:61:34
[INFO] [stderr]    |
[INFO] [stderr] 61 |   let largest2 = largest_generic(&(vec![10, 40, 60, 100, 1000]));
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&[10, 40, 60, 100, 1000]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: module `tryLifetime` should have a snake case name such as `try_lifetime`
[INFO] [stderr]   --> src/lessons/mod.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub mod tryLifetime;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: module `Rectangle` should have a snake case name such as `rectangle`
[INFO] [stderr]   --> src/lessons/mod.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub mod Rectangle;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: module `Guess` should have a snake case name such as `guess`
[INFO] [stderr]   --> src/lessons/mod.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub mod Guess;
[INFO] [stderr]    | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: module `learnClosure` should have a snake case name such as `learn_closure`
[INFO] [stderr]  --> src/closures/mod.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub mod learnClosure;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: module `learnIterator` should have a snake case name such as `learn_iterator`
[INFO] [stderr]  --> src/closures/mod.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub mod learnIterator;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `learnIterator` should have a snake case name such as `learn_iterator`
[INFO] [stderr]   --> src/closures/learnIterator.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | / pub fn learnIterator(){
[INFO] [stderr] 42 | |   let v1 = vec![1,2,3,4];
[INFO] [stderr] 43 | |   let v1_iter = v1.iter();
[INFO] [stderr] 44 | |   for item in v1_iter{
[INFO] [stderr] ...  |
[INFO] [stderr] 64 | |   println!("============================");
[INFO] [stderr] 65 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `returns_summarizable`
[INFO] [stderr]    --> src/lessons/tryGenericTypes.rs:132:1
[INFO] [stderr]     |
[INFO] [stderr] 132 | fn returns_summarizable() -> impl Summary {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `value`
[INFO] [stderr]  --> src/lessons/Guess.rs:2:3
[INFO] [stderr]   |
[INFO] [stderr] 2 |   value:u32,
[INFO] [stderr]   |   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: module `commonCollection` should have a snake case name such as `common_collection`
[INFO] [stderr]  --> src/lessons/mod.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub mod commonCollection;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `tryCommonCollection` should have a snake case name such as `try_common_collection`
[INFO] [stderr]   --> src/lessons/commonCollection.rs:8:1
[INFO] [stderr]    |
[INFO] [stderr] 8  | / pub fn tryCommonCollection(){
[INFO] [stderr] 9  | |     let v = vec![1,2,3];
[INFO] [stderr] 10 | |     println!("vector value : {:#?}", v);
[INFO] [stderr] 11 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 65 | |     println!("row data : {:?}", row);
[INFO] [stderr] 66 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/lessons/commonCollection.rs:38:18
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let first = &v[0].clone();
[INFO] [stderr]    |                  ^^^^^^^^^^^^ help: try removing the `clone` call: `v[0]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: module `tryStringCollection` should have a snake case name such as `try_string_collection`
[INFO] [stderr]  --> src/lessons/mod.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub mod tryStringCollection;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `tryUpdateString` should have a snake case name such as `try_update_string`
[INFO] [stderr]   --> src/lessons/tryStringCollection.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / pub fn tryUpdateString(){
[INFO] [stderr] 2  | |   println!("==============================");
[INFO] [stderr] 3  | |
[INFO] [stderr] 4  | |   let mut s = String::from("foo");
[INFO] [stderr] ...  |
[INFO] [stderr] 37 | |   println!("==============================");
[INFO] [stderr] 38 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: module `tryHashMapCollection` should have a snake case name such as `try_hash_map_collection`
[INFO] [stderr]  --> src/lessons/mod.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub mod tryHashMapCollection;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `tryHashMap` should have a snake case name such as `try_hash_map`
[INFO] [stderr]   --> src/lessons/tryHashMapCollection.rs:3:1
[INFO] [stderr]    |
[INFO] [stderr] 3  | / pub fn tryHashMap(){
[INFO] [stderr] 4  | |   println!("========================");
[INFO] [stderr] 5  | |
[INFO] [stderr] 6  | |   let mut scores = HashMap::new();
[INFO] [stderr] ...  |
[INFO] [stderr] 52 | |   println!("========================");
[INFO] [stderr] 53 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: module `recoverableError` should have a snake case name such as `recoverable_error`
[INFO] [stderr]  --> src/lessons/mod.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub mod recoverableError;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `recoverableError` should have a snake case name such as `recoverable_error`
[INFO] [stderr]   --> src/lessons/recoverableError.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | / pub fn recoverableError(){
[INFO] [stderr] 28 | |   let f = File::open("hello.txt");
[INFO] [stderr] 29 | |   let t = match f{
[INFO] [stderr] 30 | |     Ok(file) => file,
[INFO] [stderr] ...  |
[INFO] [stderr] 54 | |   println!("file value : {:?}", t);
[INFO] [stderr] 55 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: module `tryGenericTypes` should have a snake case name such as `try_generic_types`
[INFO] [stderr]  --> src/lessons/mod.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub mod tryGenericTypes;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]   --> src/lessons/tryGenericTypes.rs:41:32
[INFO] [stderr]    |
[INFO] [stderr] 41 |   let largest_number = largest(&(vec![10, 20, 50, 60, 100]));
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&[10, 20, 50, 60, 100]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::useless_vec)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]   --> src/lessons/tryGenericTypes.rs:44:32
[INFO] [stderr]    |
[INFO] [stderr] 44 |   let largest_number = largest(&(vec![10, 20, 50, 60, 100, 1000]));
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&[10, 20, 50, 60, 100, 1000]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]   --> src/lessons/tryGenericTypes.rs:60:34
[INFO] [stderr]    |
[INFO] [stderr] 60 |   let largest1 = largest_generic(&(vec!['a', 'b', 'z']));
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&['a', 'b', 'z']`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]   --> src/lessons/tryGenericTypes.rs:61:34
[INFO] [stderr]    |
[INFO] [stderr] 61 |   let largest2 = largest_generic(&(vec![10, 40, 60, 100, 1000]));
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&[10, 40, 60, 100, 1000]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: module `tryLifetime` should have a snake case name such as `try_lifetime`
[INFO] [stderr]   --> src/lessons/mod.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub mod tryLifetime;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: module `Rectangle` should have a snake case name such as `rectangle`
[INFO] [stderr]   --> src/lessons/mod.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub mod Rectangle;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: module `Guess` should have a snake case name such as `guess`
[INFO] [stderr]   --> src/lessons/mod.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub mod Guess;
[INFO] [stderr]    | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: module `learnClosure` should have a snake case name such as `learn_closure`
[INFO] [stderr]  --> src/closures/mod.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub mod learnClosure;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: module `learnIterator` should have a snake case name such as `learn_iterator`
[INFO] [stderr]  --> src/closures/mod.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub mod learnIterator;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `learnIterator` should have a snake case name such as `learn_iterator`
[INFO] [stderr]   --> src/closures/learnIterator.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | / pub fn learnIterator(){
[INFO] [stderr] 42 | |   let v1 = vec![1,2,3,4];
[INFO] [stderr] 43 | |   let v1_iter = v1.iter();
[INFO] [stderr] 44 | |   for item in v1_iter{
[INFO] [stderr] ...  |
[INFO] [stderr] 64 | |   println!("============================");
[INFO] [stderr] 65 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/main.rs:109:28
[INFO] [stderr]     |
[INFO] [stderr] 109 |     const MAX_POINT :u32 = 100000;
[INFO] [stderr]     |                            ^^^^^^ help: consider: `100_000`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:305:5
[INFO] [stderr]     |
[INFO] [stderr] 305 |     return (hello.len(), world.len());
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(hello.len(), world.len())`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/main.rs:340:5
[INFO] [stderr]     |
[INFO] [stderr] 340 |     some_string
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/main.rs:339:23
[INFO] [stderr]     |
[INFO] [stderr] 339 |     let some_string = String::from("hello");
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/main.rs:109:28
[INFO] [stderr]     |
[INFO] [stderr] 109 |     const MAX_POINT :u32 = 100000;
[INFO] [stderr]     |                            ^^^^^^ help: consider: `100_000`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:305:5
[INFO] [stderr]     |
[INFO] [stderr] 305 |     return (hello.len(), world.len());
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(hello.len(), world.len())`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/main.rs:340:5
[INFO] [stderr]     |
[INFO] [stderr] 340 |     some_string
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/main.rs:339:23
[INFO] [stderr]     |
[INFO] [stderr] 339 |     let some_string = String::from("hello");
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `email`
[INFO] [stderr]   --> src/main.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     email: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `sign_in_count`
[INFO] [stderr]   --> src/main.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     sign_in_count: u64,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `active`
[INFO] [stderr]   --> src/main.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     active: bool
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `point1` should have an upper case name such as `POINT1`
[INFO] [stderr]    --> src/main.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 |     const point1 :Point = Point(0,0,0);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(non_upper_case_globals)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `color1` should have an upper case name such as `COLOR1`
[INFO] [stderr]    --> src/main.rs:101:5
[INFO] [stderr]     |
[INFO] [stderr] 101 |     const color1 :Color = Color( 0, 0, 10);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `email`
[INFO] [stderr]   --> src/main.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     email: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `sign_in_count`
[INFO] [stderr]   --> src/main.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     sign_in_count: u64,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `active`
[INFO] [stderr]   --> src/main.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     active: bool
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/main.rs:140:9
[INFO] [stderr]     |
[INFO] [stderr] 140 |         index = index + 1;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^ help: replace it with: `index += 1`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: constant `point1` should have an upper case name such as `POINT1`
[INFO] [stderr]    --> src/main.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 |     const point1 :Point = Point(0,0,0);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(non_upper_case_globals)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `color1` should have an upper case name such as `COLOR1`
[INFO] [stderr]    --> src/main.rs:101:5
[INFO] [stderr]     |
[INFO] [stderr] 101 |     const color1 :Color = Color( 0, 0, 10);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: this if-then-else expression returns a bool literal
[INFO] [stderr]    --> src/main.rs:190:27
[INFO] [stderr]     |
[INFO] [stderr] 190 |       let inline_if_value = if 10 > 3 {
[INFO] [stderr]     |  ___________________________^
[INFO] [stderr] 191 | |         true
[INFO] [stderr] 192 | |     }else{
[INFO] [stderr] 193 | |         false
[INFO] [stderr] 194 | |     };
[INFO] [stderr]     | |_____^ help: you can reduce it to: `10 > 3`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_bool)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_bool
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/main.rs:140:9
[INFO] [stderr]     |
[INFO] [stderr] 140 |         index = index + 1;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^ help: replace it with: `index += 1`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/main.rs:291:18
[INFO] [stderr]     |
[INFO] [stderr] 291 | fn first_word(s: &String) -> usize{
[INFO] [stderr]     |                  ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/main.rs:302:19
[INFO] [stderr]     |
[INFO] [stderr] 302 | fn second_word(s: &String) -> (usize, usize) {
[INFO] [stderr]     |                   ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: this if-then-else expression returns a bool literal
[INFO] [stderr]    --> src/main.rs:190:27
[INFO] [stderr]     |
[INFO] [stderr] 190 |       let inline_if_value = if 10 > 3 {
[INFO] [stderr]     |  ___________________________^
[INFO] [stderr] 191 | |         true
[INFO] [stderr] 192 | |     }else{
[INFO] [stderr] 193 | |         false
[INFO] [stderr] 194 | |     };
[INFO] [stderr]     | |_____^ help: you can reduce it to: `10 > 3`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_bool)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_bool
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/main.rs:353:43
[INFO] [stderr]     |
[INFO] [stderr] 353 | fn calculate_length_with_dereferencing(s: &String) -> usize{
[INFO] [stderr]     |                                           ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/main.rs:291:18
[INFO] [stderr]     |
[INFO] [stderr] 291 | fn first_word(s: &String) -> usize{
[INFO] [stderr]     |                  ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/main.rs:302:19
[INFO] [stderr]     |
[INFO] [stderr] 302 | fn second_word(s: &String) -> (usize, usize) {
[INFO] [stderr]     |                   ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/main.rs:353:43
[INFO] [stderr]     |
[INFO] [stderr] 353 | fn calculate_length_with_dereferencing(s: &String) -> usize{
[INFO] [stderr]     |                                           ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `"docker" "inspect" "fff225113a196148a0f9457cf6efe2d68cc1698b0889710c8d142e0af7be2743"`
[INFO] running `"docker" "rm" "-f" "fff225113a196148a0f9457cf6efe2d68cc1698b0889710c8d142e0af7be2743"`
[INFO] [stdout] fff225113a196148a0f9457cf6efe2d68cc1698b0889710c8d142e0af7be2743