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 | ...xxxxxxxxxxxxxxxxxxxx"; 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`.