error: unknown start of token: \u{20e3}
  --> $DIR/lex-emoji-identifiers.rs:6:14
   |
LL |     let key1️⃣ = "keycap sequence";
   |             ^

error: identifiers cannot contain emoji: `arrow↔️`
  --> $DIR/lex-emoji-identifiers.rs:2:9
   |
LL |     let arrow↔️ = "basic emoji";
   |         ^^^^^^

error: identifiers cannot contain emoji: `planet🪐`
  --> $DIR/lex-emoji-identifiers.rs:3:9
   |
LL |     let planet🪐 = "basic emoji";
   |         ^^^^^^^^

error: identifiers cannot contain emoji: `wireless🛜`
  --> $DIR/lex-emoji-identifiers.rs:4:9
   |
LL |     let wireless🛜 = "basic emoji";
   |         ^^^^^^^^^^

error: identifiers cannot contain emoji: `flag🇺🇳`
  --> $DIR/lex-emoji-identifiers.rs:8:9
   |
LL |     let flag🇺🇳 = "flag sequence";
   |         ^^^^^^

error: identifiers cannot contain emoji: `wales🏴`
  --> $DIR/lex-emoji-identifiers.rs:9:9
   |
LL |     let wales🏴 = "tag sequence";
   |         ^^^^^^^

error: identifiers cannot contain emoji: `folded🙏🏿`
  --> $DIR/lex-emoji-identifiers.rs:10:9
   |
LL |     let folded🙏🏿 = "modifier sequence";
   |         ^^^^^^^^^^

warning: identifier contains uncommon Unicode codepoints
  --> $DIR/lex-emoji-identifiers.rs:6:9
   |
LL |     let key1️⃣ = "keycap sequence";
   |         ^^^^
   |
   = note: `#[warn(uncommon_codepoints)]` on by default

error: aborting due to 7 previous errors; 1 warning emitted