error: statics have by default a `'static` lifetime
  --> src\uu\tr\src\operation.rs:25:25
   |
25 |     pub static SPACES: &'static [char] = &[HT, LF, VT, FF, CR, SPACE];
   |                        -^^^^^^^------- help: consider removing `'static`: `&[char]`
   |
   = note: `-D clippy::redundant-static-lifetimes` implied by `-D warnings`
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_static_lifetimes

error: statics have by default a `'static` lifetime
  --> src\uu\tr\src\operation.rs:26:24
   |
26 |     pub static BLANK: &'static [char] = &[SPACE, HT];
   |                       -^^^^^^^------- help: consider removing `'static`: `&[char]`
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_static_lifetimes

error: this `else { if .. }` block can be collapsed
   --> src\uu\tr\src\operation.rs:433:16
    |
433 |           } else {
    |  ________________^
434 | |             if set1.is_empty() && set2.is_empty() {
435 | |                 Ok(TranslateOperationStandard {
436 | |                     translation_map: HashMap::new(),
...   |
440 | |             }
441 | |         }
    | |_________^
    |
    = note: `-D clippy::collapsible-else-if` implied by `-D warnings`
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_else_if
help: collapse nested if block
    |
433 |         } else if set1.is_empty() && set2.is_empty() {
434 |             Ok(TranslateOperationStandard {
435 |                 translation_map: HashMap::new(),
436 |             })
437 |         } else {
438 |             Err("when not truncating set1, string2 must be non-empty".to_string())
  ...

error: redundant closure
  --> src\uu\tr\src\convert.rs:16:22
   |
16 |                 .map(|u| char::from_u32(u))
   |                      ^^^^^^^^^^^^^^^^^^^^^ help: replace the closure with the function itself: `char::from_u32`
   |
   = note: `-D clippy::redundant-closure` implied by `-D warnings`
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure

---- test_tr::check_against_gnu_tr_tests_bs_at_end stdout ----
current_directory_resolved: 
run: D:\a\coreutils\coreutils\target\x86_64-pc-windows-gnu\debug\coreutils.exe tr \ x
thread 'test_tr::check_against_gnu_tr_tests_bs_at_end' panicked at 'Command was expected to succeed.
stdout = 
 stderr = tr: missing operand after '\ x'
Try 'tr --help' for more information.
', tests\common\util.rs:167:13


failures:
    test_tr::check_against_gnu_tr_tests_bs_at_end

2021-11-20T09:46:03.5959374Z FAIL: tests/misc/timeout-parameters.sh
2021-11-20T09:46:04.1405622Z FAIL: tests/misc/tr.pl
2021-11-20T09:46:04.2813337Z FAIL: tests/misc/tr-case-class.sh
2021-11-20T09:46:04.3913650Z FAIL: tests/misc/truncate-dangling-symlink.sh

2021-11-20T10:25:31.8416501Z FAIL tests/misc/tr.pl (exit status: 1)
2021-11-20T10:25:31.8416881Z 
2021-11-20T10:25:31.8417484Z FAIL: tests/misc/tr-case-class
2021-11-20T10:25:31.8417993Z ==============================
2021-11-20T10:25:31.8418269Z 
2021-11-20T10:25:31.8418826Z --- exp	2021-11-20 09:46:04.258060099 +0000
2021-11-20T10:25:31.8419590Z +++ out	2021-11-20 09:46:04.258060099 +0000
2021-11-20T10:25:31.8420113Z @@ -1,2 +0,0 @@
2021-11-20T10:25:31.8420877Z -tr: when translating with string1 longer than string2,
2021-11-20T10:25:31.8421803Z -the latter string must not end with a character class
2021-11-20T10:25:31.8423157Z ./tests/misc/tr-case-class.sh: line 65: warning: setlocale: LC_ALL: cannot change locale (en_US.ISO-8859-1): No such file or directory