error: unknown start of token: \u{0}
  --> $DIR/issue-68730.rs:5:5
   |
LL | enum␀em␀˂˂
   |     ^
   |
   = help: source files must contain UTF-8 encoded text, unexpected null bytes might occur when a different encoding is used

error: unknown start of token: \u{0}
  --> $DIR/issue-68730.rs:5:8
   |
LL | enum␀em␀˂˂
   |        ^
   |
   = help: source files must contain UTF-8 encoded text, unexpected null bytes might occur when a different encoding is used

error: unknown start of token: \u{2c2}
  --> $DIR/issue-68730.rs:5:9
   |
LL | enum␀em␀˂˂
   |         ^^
   |
   = note: character appears once more
help: Unicode character '˂' (Modifier Letter Left Arrowhead) looks like '<' (Less-Than Sign), but it is not
   |
LL | enum␀em␀<<
   |         ~~

error: unknown start of token: \u{2c2}
  --> $DIR/issue-68730.rs:5:10
   |
LL | enum␀em␀˂˂
   |          ^
   |
help: Unicode character '˂' (Modifier Letter Left Arrowhead) looks like '<' (Less-Than Sign), but it is not
   |
LL | enum␀em␀˂<
   |          ~

error: expected one of `#`, `>`, `const`, identifier, or lifetime, found `<`
  --> $DIR/issue-68730.rs:5:10
   |
LL | enum␀em␀˂˂
   |          ^ expected one of `#`, `>`, `const`, identifier, or lifetime

error: aborting due to 5 previous errors