warning: calls to `std::str::from_utf8_unchecked_mut` with a invalid literal are undefined behavior
  --> $DIR/invalid_from_utf8.rs:18:9
   |
LL |         std::str::from_utf8_unchecked_mut(&mut [99, 108, 130, 105, 112, 112, 121]);
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^---------------------------------------^
   |                                           |
   |                                           the literal was valid UTF-8 up to the 2 bytes
   |
note: the lint level is defined here
  --> $DIR/invalid_from_utf8.rs:4:9
   |
LL | #![warn(invalid_from_utf8_unchecked)]
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^

warning: calls to `std::str::from_utf8_unchecked_mut` with a invalid literal are undefined behavior
  --> $DIR/invalid_from_utf8.rs:20:9
   |
LL |         std::str::from_utf8_unchecked_mut(&mut [b'c', b'l', b'\x82', b'i', b'p', b'p', b'y']);
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^--------------------------------------------------^
   |                                           |
   |                                           the literal was valid UTF-8 up to the 2 bytes

warning: calls to `std::str::from_utf8_unchecked` with a invalid literal are undefined behavior
  --> $DIR/invalid_from_utf8.rs:38:9
   |
LL |         std::str::from_utf8_unchecked(&[99, 108, 130, 105, 112, 112, 121]);
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-----------------------------------^
   |                                       |
   |                                       the literal was valid UTF-8 up to the 2 bytes

warning: calls to `std::str::from_utf8_unchecked` with a invalid literal are undefined behavior
  --> $DIR/invalid_from_utf8.rs:40:9
   |
LL |         std::str::from_utf8_unchecked(&[b'c', b'l', b'\x82', b'i', b'p', b'p', b'y']);
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^----------------------------------------------^
   |                                       |
   |                                       the literal was valid UTF-8 up to the 2 bytes

warning: calls to `std::str::from_utf8_unchecked` with a invalid literal are undefined behavior
  --> $DIR/invalid_from_utf8.rs:42:9
   |
LL |         std::str::from_utf8_unchecked(b"cl\x82ippy");
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-------------^
   |                                       |
   |                                       the literal was valid UTF-8 up to the 2 bytes

warning: calls to `std::str::from_utf8_unchecked` with a invalid literal are undefined behavior
  --> $DIR/invalid_from_utf8.rs:44:9
   |
LL |         std::str::from_utf8_unchecked(concat_bytes!(b"cl", b"\x82ippy"));
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^---------------------------------^
   |                                       |
   |                                       the literal was valid UTF-8 up to the 2 bytes

warning: 6 warnings emitted