error: unknown byte escape: `f`
  --> $DIR/byte-string-literals.rs:1:32
   |
LL | static FOO: &'static [u8] = b"\f";
   |                                ^ unknown byte escape
   |
   = help: for more information, visit <https://static.rust-lang.org/doc/master/reference.html#literals>

error: unknown byte escape: `f`
  --> $DIR/byte-string-literals.rs:4:8
   |
LL |     b"\f";
   |        ^ unknown byte escape
   |
   = help: for more information, visit <https://static.rust-lang.org/doc/master/reference.html#literals>

error: invalid character in numeric character escape: `Z`
  --> $DIR/byte-string-literals.rs:5:10
   |
LL |     b"\x0Z";
   |          ^ invalid character in numeric character escape

error: non-ASCII character in byte constant
  --> $DIR/byte-string-literals.rs:6:7
   |
LL |     b"é";
   |       ^ byte constant must be ASCII
   |
help: if you meant to use the unicode code point for 'é', use a \xHH escape
   |
LL |     b"\xE9";
   |       ~~~~

error: raw byte string must be ASCII
  --> $DIR/byte-string-literals.rs:7:10
   |
LL |     br##"é"##;
   |          ^ must be ASCII

error[E0766]: unterminated double quote byte string
  --> $DIR/byte-string-literals.rs:8:6
   |
LL |       b"a
   |  ______^
LL | | }
   | |__^

error: aborting due to 6 previous errors

For more information about this error, try `rustc --explain E0766`.