[INFO] updating cached repository wimpykid26/rust-examples
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/wimpykid26/rust-examples
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/wimpykid26/rust-examples" "work/ex/clippy-test-run/sources/stable/gh/wimpykid26/rust-examples"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/wimpykid26/rust-examples'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/wimpykid26/rust-examples" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/wimpykid26/rust-examples"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/wimpykid26/rust-examples'...
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[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bff1d8f9f6d4c8f38a1297896ecc0afa4860467f
[INFO] sha for GitHub repo wimpykid26/rust-examples: bff1d8f9f6d4c8f38a1297896ecc0afa4860467f
[INFO] validating manifest of wimpykid26/rust-examples 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 wimpykid26/rust-examples 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 wimpykid26/rust-examples
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[INFO] frobbed toml for wimpykid26/rust-examples written to work/ex/clippy-test-run/sources/stable/gh/wimpykid26/rust-examples/Cargo.toml
[INFO] started frobbing wimpykid26/rust-examples
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[INFO] frobbed toml for wimpykid26/rust-examples written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/wimpykid26/rust-examples/Cargo.toml
[INFO] crate wimpykid26/rust-examples 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 wimpykid26/rust-examples against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/wimpykid26/rust-examples:/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" "-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] 2368733f326f0a42f1db4c9edc42a7608ba190ce4b22d16405959e2027763669
[INFO] running `"docker" "start" "-a" "2368733f326f0a42f1db4c9edc42a7608ba190ce4b22d16405959e2027763669"`
[INFO] [stderr]     Checking rust-examples v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]   --> src/functions/simple_function.rs:13:21
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn fizzbuzz(n: u32) -> () {
[INFO] [stderr]    |                     ^^^^^ help: remove the `-> ()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unused_unit)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]   --> src/functions/simple_function.rs:13:21
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn fizzbuzz(n: u32) -> () {
[INFO] [stderr]    |                     ^^^^^ help: remove the `-> ()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unused_unit)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> src/expressions/loops.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |         println!("This point will never be reached");
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_code)] on by default
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> src/expressions/loops.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |         println!("This point will never be reached");
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_code)] on by default
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/expressions/match_cases.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 |         1 | 2 | 3 => println!("This is either 1, 2 or 3"),
[INFO] [stderr]    |         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `reference`
[INFO] [stderr]   --> src/expressions/match_cases.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let ref reference = 5;
[INFO] [stderr]    |             ^^^^^^^^^ help: consider using `_reference` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/expressions/match_cases.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 |         1 | 2 | 3 => println!("This is either 1, 2 or 3"),
[INFO] [stderr]    |         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `reference`
[INFO] [stderr]   --> src/expressions/match_cases.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let ref reference = 5;
[INFO] [stderr]    |             ^^^^^^^^^ help: consider using `_reference` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]  --> src/expressions/loops.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |         count = count + 1;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^ help: replace it with: `count += 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: unused label `'inner`
[INFO] [stderr]   --> src/expressions/loops.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 | /         'inner: loop {
[INFO] [stderr] 24 | |             println!("Entered the inner body");
[INFO] [stderr] 25 | |             break 'outer;
[INFO] [stderr] 26 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unused_label)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_label
[INFO] [stderr] 
[INFO] [stderr] error: this loop never actually loops
[INFO] [stderr]   --> src/expressions/loops.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 | /         'inner: loop {
[INFO] [stderr] 24 | |             println!("Entered the inner body");
[INFO] [stderr] 25 | |             break 'outer;
[INFO] [stderr] 26 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::never_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#never_loop
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/expressions/loops.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |         counter = counter + 1;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `counter += 1`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/expressions/loops.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 | /         match name {
[INFO] [stderr] 54 | |             &"John" => println!("Hi My name is {}", name),
[INFO] [stderr] 55 | |             _ => println!("Some other name"),
[INFO] [stderr] 56 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 53 |         match *name {
[INFO] [stderr] 54 |             "John" => println!("Hi My name is {}", name),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/expressions/match_cases.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | /     match value {
[INFO] [stderr] 23 | |         &val => println!("Got a value from a reference {:?}", val),
[INFO] [stderr] 24 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 22 |     match *value {
[INFO] [stderr] 23 |         val => println!("Got a value from a reference {:?}", val),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]   --> src/expressions/match_cases.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let ref reference = 5;
[INFO] [stderr]    |     ----^^^^^^^^^^^^^----- help: try: `let reference = &5;`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::toplevel_ref_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let x =`
[INFO] [stderr]   --> src/expressions/match_cases.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 | /     let x = match value_2 {
[INFO] [stderr] 43 | |         ref mut m => {
[INFO] [stderr] 44 | |             *m = *m + 10;
[INFO] [stderr] 45 | |         }
[INFO] [stderr] 46 | |     };
[INFO] [stderr]    | |______^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::let_unit_value)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/expressions/match_cases.rs:44:13
[INFO] [stderr]    |
[INFO] [stderr] 44 |             *m = *m + 10;
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `*m += 10`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: some ranges overlap
[INFO] [stderr]   --> src/expressions/match_cases.rs:76:9
[INFO] [stderr]    |
[INFO] [stderr] 76 |         1 => println!("This is a singular value"),
[INFO] [stderr]    |         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_overlapping_arm)] on by default
[INFO] [stderr] note: overlaps with this
[INFO] [stderr]   --> src/expressions/match_cases.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 |         1 | 2 | 3 => println!("This is either 1, 2 or 3"),
[INFO] [stderr]    |         ^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_overlapping_arm
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]   --> src/expressions/match_cases.rs:84:18
[INFO] [stderr]    |
[INFO] [stderr] 84 |       let binary = match boolean {
[INFO] [stderr]    |  __________________^
[INFO] [stderr] 85 | |         //Should provide all match cases
[INFO] [stderr] 86 | |         false => 0,
[INFO] [stderr] 87 | |         true => 1,
[INFO] [stderr] 88 | |     };
[INFO] [stderr]    | |_____^ help: consider using an if/else expression: `if boolean { 1 } else { 0 }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/functions/closures.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |         count = count + 10;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^ help: replace it with: `count += 10`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: this `.fold` can be written more succinctly using another method
[INFO] [stderr]   --> src/functions/hof.rs:10:48
[INFO] [stderr]    |
[INFO] [stderr] 10 |           .filter(|&n_squared| is_odd(n_squared))
[INFO] [stderr]    |  ________________________________________________^
[INFO] [stderr] 11 | |         .fold(0, |acc, n_squared| acc + n_squared);
[INFO] [stderr]    | |__________________________________________________^ help: try: `.sum()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unnecessary_fold)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]   --> src/functions/simple_function.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | /     match divisible_by(n, 20) {
[INFO] [stderr] 15 | |         true => println!("Numbers are mutually divisible"),
[INFO] [stderr] 16 | |         false => println!("Numbers are not mutually divisible"),
[INFO] [stderr] 17 | |     }
[INFO] [stderr]    | |_____^ help: consider using an if/else expression: `if divisible_by(n, 20) { println!("Numbers are mutually divisible") } else { println!("Numbers are not mutually divisible") }`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `rust-examples`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]  --> src/expressions/loops.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |         count = count + 1;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^ help: replace it with: `count += 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: unused label `'inner`
[INFO] [stderr]   --> src/expressions/loops.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 | /         'inner: loop {
[INFO] [stderr] 24 | |             println!("Entered the inner body");
[INFO] [stderr] 25 | |             break 'outer;
[INFO] [stderr] 26 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unused_label)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_label
[INFO] [stderr] 
[INFO] [stderr] error: this loop never actually loops
[INFO] [stderr]   --> src/expressions/loops.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 | /         'inner: loop {
[INFO] [stderr] 24 | |             println!("Entered the inner body");
[INFO] [stderr] 25 | |             break 'outer;
[INFO] [stderr] 26 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::never_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#never_loop
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/expressions/loops.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |         counter = counter + 1;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `counter += 1`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/expressions/loops.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 | /         match name {
[INFO] [stderr] 54 | |             &"John" => println!("Hi My name is {}", name),
[INFO] [stderr] 55 | |             _ => println!("Some other name"),
[INFO] [stderr] 56 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 53 |         match *name {
[INFO] [stderr] 54 |             "John" => println!("Hi My name is {}", name),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/expressions/match_cases.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | /     match value {
[INFO] [stderr] 23 | |         &val => println!("Got a value from a reference {:?}", val),
[INFO] [stderr] 24 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 22 |     match *value {
[INFO] [stderr] 23 |         val => println!("Got a value from a reference {:?}", val),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]   --> src/expressions/match_cases.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let ref reference = 5;
[INFO] [stderr]    |     ----^^^^^^^^^^^^^----- help: try: `let reference = &5;`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::toplevel_ref_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let x =`
[INFO] [stderr]   --> src/expressions/match_cases.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 | /     let x = match value_2 {
[INFO] [stderr] 43 | |         ref mut m => {
[INFO] [stderr] 44 | |             *m = *m + 10;
[INFO] [stderr] 45 | |         }
[INFO] [stderr] 46 | |     };
[INFO] [stderr]    | |______^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::let_unit_value)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/expressions/match_cases.rs:44:13
[INFO] [stderr]    |
[INFO] [stderr] 44 |             *m = *m + 10;
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `*m += 10`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: some ranges overlap
[INFO] [stderr]   --> src/expressions/match_cases.rs:76:9
[INFO] [stderr]    |
[INFO] [stderr] 76 |         1 => println!("This is a singular value"),
[INFO] [stderr]    |         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_overlapping_arm)] on by default
[INFO] [stderr] note: overlaps with this
[INFO] [stderr]   --> src/expressions/match_cases.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 |         1 | 2 | 3 => println!("This is either 1, 2 or 3"),
[INFO] [stderr]    |         ^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_overlapping_arm
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]   --> src/expressions/match_cases.rs:84:18
[INFO] [stderr]    |
[INFO] [stderr] 84 |       let binary = match boolean {
[INFO] [stderr]    |  __________________^
[INFO] [stderr] 85 | |         //Should provide all match cases
[INFO] [stderr] 86 | |         false => 0,
[INFO] [stderr] 87 | |         true => 1,
[INFO] [stderr] 88 | |     };
[INFO] [stderr]    | |_____^ help: consider using an if/else expression: `if boolean { 1 } else { 0 }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/functions/closures.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |         count = count + 10;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^ help: replace it with: `count += 10`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: this `.fold` can be written more succinctly using another method
[INFO] [stderr]   --> src/functions/hof.rs:10:48
[INFO] [stderr]    |
[INFO] [stderr] 10 |           .filter(|&n_squared| is_odd(n_squared))
[INFO] [stderr]    |  ________________________________________________^
[INFO] [stderr] 11 | |         .fold(0, |acc, n_squared| acc + n_squared);
[INFO] [stderr]    | |__________________________________________________^ help: try: `.sum()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unnecessary_fold)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]   --> src/functions/simple_function.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | /     match divisible_by(n, 20) {
[INFO] [stderr] 15 | |         true => println!("Numbers are mutually divisible"),
[INFO] [stderr] 16 | |         false => println!("Numbers are not mutually divisible"),
[INFO] [stderr] 17 | |     }
[INFO] [stderr]    | |_____^ help: consider using an if/else expression: `if divisible_by(n, 20) { println!("Numbers are mutually divisible") } else { println!("Numbers are not mutually divisible") }`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `rust-examples`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "2368733f326f0a42f1db4c9edc42a7608ba190ce4b22d16405959e2027763669"`
[INFO] running `"docker" "rm" "-f" "2368733f326f0a42f1db4c9edc42a7608ba190ce4b22d16405959e2027763669"`
[INFO] [stdout] 2368733f326f0a42f1db4c9edc42a7608ba190ce4b22d16405959e2027763669