error[E0369]: cannot add `&str` to `&str`
   ╭▸ $DIR/non-1-width-unicode-multiline-label.rs:7:237
   │
LL │ …👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦"; let _a = unicode_is_fun + " really fun!";
   │                                                           ┬───────────── ┯ ────────────── &str
   │                                                           │              │
   │                                                           │              `+` cannot be used to concatenate two `&str` strings
   │                                                           &str
   │
   ╰ note: string concatenation requires an owned `String` on the left
help: create an owned `String` from a string reference
   ╭╴
LL │     let _ = "👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦"; let _a = unicode_is_fun.to_owned() + " really fun!";
   ╰╴                                                                                                                                                                                                                                                                                                                                                                                                                                               +++++++++++

error[E0369]: cannot add `&str` to `&str`
   ╭▸ $DIR/non-1-width-unicode-multiline-label.rs:9:384
   │
LL │ …👨👩👧👦👨👩👧👦👨👩👧👦"; let _a = unicode_is_fun + " really fun!";
   │                                       ┬───────────── ┯ ────────────── &str
   │                                       │              │
   │                                       │              `+` cannot be used to concatenate two `&str` strings
   │                                       &str
   │
   ╰ note: string concatenation requires an owned `String` on the left
help: create an owned `String` from a string reference
   ╭╴
LL │     let _ = "👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦👨👩👧👦"; let _a = unicode_is_fun.to_owned() + " really fun!";
   ╰╴                                                                                                                                                                                                                                                                                                                                                                                                                                               +++++++++++

error[E0369]: cannot add `&str` to `&str`
   ╭▸ $DIR/non-1-width-unicode-multiline-label.rs:11:260
   │
LL │ …࿅࿆࿇࿈࿉࿊࿋࿌࿍࿎࿏࿐࿑࿒࿓࿔࿕࿖࿗࿘࿙࿚"; let _a = unicode_is_fun + " really fun!";
   │                                   ┬───────────── ┯ ────────────── &str
   │                                   │              │
   │                                   │              `+` cannot be used to concatenate two `&str` strings
   │                                   &str
   │
   ╰ note: string concatenation requires an owned `String` on the left
help: create an owned `String` from a string reference
   ╭╴
LL │     let _ = "ༀ༁༂༃༄༅༆༇༈༉༊་༌།༎༏༐༑༒༓༔༕༖༗༘༙༚༛༜༝༞༟༠༡༢༣༤༥༦༧༨༩༪༫༬༭༮༯༰༱༲༳༴༵༶༷༸༹༺༻༼༽༾༿ཀཁགགྷངཅཆཇ཈ཉཊཋཌཌྷཎཏཐདདྷནཔཕབབྷམཙཚཛཛྷཝཞཟའཡརལཤཥསཧཨཀྵཪཫཬ཭཮཯཰ཱཱཱིིུུྲྀཷླྀཹེཻོཽཾཿ྄ཱྀྀྂྃ྅྆྇ྈྉྊྋྌྍྎྏྐྑྒྒྷྔྕྖྗ྘ྙྚྛྜྜྷྞྟྠྡྡྷྣྤྥྦྦྷྨྩྪྫྫྷྭྮྯྰྱྲླྴྵྶྷྸྐྵྺྻྼ྽྾྿࿀࿁࿂࿃࿄࿅࿆࿇࿈࿉࿊࿋࿌࿍࿎࿏࿐࿑࿒࿓࿔࿕࿖࿗࿘࿙࿚"; let _a = unicode_is_fun.to_owned() + " really fun!";
   ╰╴                                                                                                                                                                                        +++++++++++

error[E0369]: cannot add `&str` to `&str`
   ╭▸ $DIR/non-1-width-unicode-multiline-label.rs:13:219
   │
LL │ …xxxxxxxxxxxxxxxxxxxxxx"; let _a = unicode_is_fun + " really fun!";
   │                                    ┬───────────── ┯ ────────────── &str
   │                                    │              │
   │                                    │              `+` cannot be used to concatenate two `&str` strings
   │                                    &str
   │
   ╰ note: string concatenation requires an owned `String` on the left
help: create an owned `String` from a string reference
   ╭╴
LL │     let _ = "xxxxxxx👨👩👧👦xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx👨xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"; let _a = unicode_is_fun.to_owned() + " really fun!";
   ╰╴                                                                                                                                                                                                                           +++++++++++

error: aborting due to 4 previous errors

For more information about this error, try `rustc --explain E0369`.