error: this range is empty so this for loop will never run
  --> $DIR/for_loop.rs:40:14
   |
LL |     for i in 10..0 {
   |              ^^^^^
   |
   = note: `-D clippy::reverse-range-loop` implied by `-D warnings`
help: consider using the following if you are attempting to iterate over this range in reverse
   |
LL |     for i in (0..10).rev() {
   |              ^^^^^^^^^^^^^

error: this range is empty so this for loop will never run
  --> $DIR/for_loop.rs:44:14
   |
LL |     for i in 10..=0 {
   |              ^^^^^^
help: consider using the following if you are attempting to iterate over this range in reverse
   |
LL |     for i in (0...10).rev() {
   |              ^^^^^^^^^^^^^^

error: this range is empty so this for loop will never run
  --> $DIR/for_loop.rs:48:14
   |
LL |     for i in MAX_LEN..0 {
   |              ^^^^^^^^^^
help: consider using the following if you are attempting to iterate over this range in reverse
   |
LL |     for i in (0..MAX_LEN).rev() {
   |              ^^^^^^^^^^^^^^^^^^

error: this range is empty so this for loop will never run
  --> $DIR/for_loop.rs:52:14
   |
LL |     for i in 5..5 {
   |              ^^^^

error: this range is empty so this for loop will never run
  --> $DIR/for_loop.rs:77:14
   |
LL |     for i in 10..5 + 4 {
   |              ^^^^^^^^^
help: consider using the following if you are attempting to iterate over this range in reverse
   |
LL |     for i in (5 + 4..10).rev() {
   |              ^^^^^^^^^^^^^^^^^

error: this range is empty so this for loop will never run
  --> $DIR/for_loop.rs:81:14
   |
LL |     for i in (5 + 2)..(3 - 1) {
   |              ^^^^^^^^^^^^^^^^
help: consider using the following if you are attempting to iterate over this range in reverse
   |
LL |     for i in ((3 - 1)..(5 + 2)).rev() {
   |              ^^^^^^^^^^^^^^^^^^^^^^^^

error: this range is empty so this for loop will never run
  --> $DIR/for_loop.rs:85:14
   |
LL |     for i in (5 + 2)..(8 - 1) {
   |              ^^^^^^^^^^^^^^^^

error: it is more concise to loop over references to containers instead of using explicit iteration methods
  --> $DIR/for_loop.rs:107:15
   |
LL |     for _v in vec.iter() {}
   |               ^^^^^^^^^^
   |
   = note: `-D clippy::explicit-iter-loop` implied by `-D warnings`

error: it is more concise to loop over references to containers instead of using explicit iteration methods
  --> $DIR/for_loop.rs:109:15
   |
LL |     for _v in vec.iter_mut() {}
   |               ^^^^^^^^^^^^^^

error: it is more concise to loop over containers instead of using explicit iteration methods`
  --> $DIR/for_loop.rs:112:15
   |
LL |     for _v in out_vec.into_iter() {}
   |               ^^^^^^^^^^^^^^^^^^^
   |
   = note: `-D clippy::explicit-into-iter-loop` implied by `-D warnings`

error: it is more concise to loop over references to containers instead of using explicit iteration methods
  --> $DIR/for_loop.rs:115:15
   |
LL |     for _v in array.into_iter() {}
   |               ^^^^^^^^^^^^^^^^^

error: it is more concise to loop over references to containers instead of using explicit iteration methods
  --> $DIR/for_loop.rs:120:15
   |
LL |     for _v in [1, 2, 3].iter() {}
   |               ^^^^^^^^^^^^^^^^

error: it is more concise to loop over references to containers instead of using explicit iteration methods
  --> $DIR/for_loop.rs:124:15
   |
LL |     for _v in [0; 32].iter() {}
   |               ^^^^^^^^^^^^^^

error: it is more concise to loop over references to containers instead of using explicit iteration methods
  --> $DIR/for_loop.rs:129:15
   |
LL |     for _v in ll.iter() {}
   |               ^^^^^^^^^

error: it is more concise to loop over references to containers instead of using explicit iteration methods
  --> $DIR/for_loop.rs:132:15
   |
LL |     for _v in vd.iter() {}
   |               ^^^^^^^^^

error: it is more concise to loop over references to containers instead of using explicit iteration methods
  --> $DIR/for_loop.rs:135:15
   |
LL |     for _v in bh.iter() {}
   |               ^^^^^^^^^

error: it is more concise to loop over references to containers instead of using explicit iteration methods
  --> $DIR/for_loop.rs:138:15
   |
LL |     for _v in hm.iter() {}
   |               ^^^^^^^^^

error: it is more concise to loop over references to containers instead of using explicit iteration methods
  --> $DIR/for_loop.rs:141:15
   |
LL |     for _v in bt.iter() {}
   |               ^^^^^^^^^

error: it is more concise to loop over references to containers instead of using explicit iteration methods
  --> $DIR/for_loop.rs:144:15
   |
LL |     for _v in hs.iter() {}
   |               ^^^^^^^^^

error: it is more concise to loop over references to containers instead of using explicit iteration methods
  --> $DIR/for_loop.rs:147:15
   |
LL |     for _v in bs.iter() {}
   |               ^^^^^^^^^

error: you are iterating over `Iterator::next()` which is an Option; this will compile but is probably not what you want
  --> $DIR/for_loop.rs:149:15
   |
LL |     for _v in vec.iter().next() {}
   |               ^^^^^^^^^^^^^^^^^
   |
   = note: `-D clippy::iter-next-loop` implied by `-D warnings`

error: you are collect()ing an iterator and throwing away the result. Consider using an explicit for loop to exhaust the iterator
  --> $DIR/for_loop.rs:156:5
   |
LL |     vec.iter().cloned().map(|x| out.push(x)).collect::<Vec<_>>();
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: `-D clippy::unused-collect` implied by `-D warnings`

error: aborting due to 22 previous errors