src/tools/clippy/tests/ui/format_push_string.stderr

error: `format!(..)` appended to existing `String`
  --> tests/ui/format_push_string.rs:7:5
   |
LL |     string += &format!("{:?}", 1234);
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: you may need to import the `std::fmt::Write` trait
   = note: `-D clippy::format-push-string` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(clippy::format_push_string)]`
help: consider using `write!` to avoid the extra allocation
   |
LL -     string += &format!("{:?}", 1234);
LL +     let _ = write!(string, "{:?}", 1234);
   |

error: `format!(..)` appended to existing `String`
  --> tests/ui/format_push_string.rs:10:5
   |
LL |     string.push_str(&format!("{:?}", 5678));
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: you may need to import the `std::fmt::Write` trait
help: consider using `write!` to avoid the extra allocation
   |
LL -     string.push_str(&format!("{:?}", 5678));
LL +     let _ = write!(string, "{:?}", 5678);
   |

error: `format!(..)` appended to existing `String`
  --> tests/ui/format_push_string.rs:18:5
   |
LL |     string!().push_str(&format!("{:?}", 5678));
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: you may need to import the `std::fmt::Write` trait
help: consider using `write!` to avoid the extra allocation
   |
LL -     string!().push_str(&format!("{:?}", 5678));
LL +     let _ = write!(string!(), "{:?}", 5678);
   |

error: `format!(..)` appended to existing `String`
  --> tests/ui/format_push_string.rs:30:17
   |
LL |                 string.push_str(&format!("{:?}", 1234));
   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: you may need to import the `std::fmt::Write` trait
help: consider using `write!` to avoid the extra allocation
   |
LL -                 string.push_str(&format!("{:?}", 1234));
LL +                 let _ = write!(string, "{:?}", 1234);
   |

error: `format!(..)` appended to existing `String`
  --> tests/ui/format_push_string.rs:39:17
   |
LL |                 string.push_str(&format!("{:?}", 1234));
   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: you may need to import the `std::fmt::Write` trait
help: consider using `write!` to avoid the extra allocation
   |
LL -                 string.push_str(&format!("{:?}", 1234));
LL +                 let _ = write!(string, "{:?}", 1234);
   |

error: `format!(..)` appended to existing `String`
  --> tests/ui/format_push_string.rs:48:17
   |
LL |                 string.push_str(&format!("{:?}", 1234));
   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: you may need to import the `std::fmt::Write` trait
help: consider using `write!` to avoid the extra allocation
   |
LL -                 string.push_str(&format!("{:?}", 1234));
LL +                 let _ = write!(string, "{:?}", 1234);
   |

error: `format!(..)` appended to existing `String`
  --> tests/ui/format_push_string.rs:57:17
   |
LL |                 string.push_str(&format!("{:?}", 1234));
   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: you may need to import the `std::fmt::Write` trait
help: consider using `write!` to avoid the extra allocation
   |
LL -                 string.push_str(&format!("{:?}", 1234));
LL +                 let _ = write!(string, "{:?}", 1234);
   |

error: `format!(..)` appended to existing `String`
  --> tests/ui/format_push_string.rs:66:17
   |
LL |                 string.push_str(&format!("{:?}", 1234));
   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: you may need to import the `std::fmt::Write` trait
help: consider using `write!` to avoid the extra allocation
   |
LL -                 string.push_str(&format!("{:?}", 1234));
LL +                 let _ = write!(string, "{:?}", 1234);
   |

error: `format!(..)` appended to existing `String`
  --> tests/ui/format_push_string.rs:73:17
   |
LL |                 string.push_str(&format!("{:?}", 1234));
   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: you may need to import the `std::fmt::Write` trait
help: consider using `write!` to avoid the extra allocation
   |
LL -                 string.push_str(&format!("{:?}", 1234));
LL +                 let _ = write!(string, "{:?}", 1234);
   |

error: `format!(..)` appended to existing `String`
  --> tests/ui/format_push_string.rs:84:17
   |
LL |                 string.push_str(&format!("{:?}", 1234));
   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: you may need to import the `std::fmt::Write` trait
help: consider using `write!` to avoid the extra allocation
   |
LL -                 string.push_str(&format!("{:?}", 1234));
LL +                 let _ = write!(string, "{:?}", 1234);
   |

error: `format!(..)` appended to existing `String`
  --> tests/ui/format_push_string.rs:93:17
   |
LL |                 string.push_str(&format!("{:?}", 1234));
   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: you may need to import the `std::fmt::Write` trait
help: consider using `write!` to avoid the extra allocation
   |
LL -                 string.push_str(&format!("{:?}", 1234));
LL +                 let _ = write!(string, "{:?}", 1234);
   |

error: `format!(..)` appended to existing `String`
  --> tests/ui/format_push_string.rs:102:17
   |
LL |                 string.push_str(&format!("{:?}", 1234));
   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: you may need to import the `std::fmt::Write` trait
help: consider using `write!` to avoid the extra allocation
   |
LL -                 string.push_str(&format!("{:?}", 1234));
LL +                 let _ = write!(string, "{:?}", 1234);
   |

error: `format!(..)` appended to existing `String`
  --> tests/ui/format_push_string.rs:111:17
   |
LL |                 string.push_str(&format!("{:?}", 1234));
   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: you may need to import the `std::fmt::Write` trait
help: consider using `write!` to avoid the extra allocation
   |
LL -                 string.push_str(&format!("{:?}", 1234));
LL +                 let _ = write!(string, "{:?}", 1234);
   |

error: `format!(..)` appended to existing `String`
  --> tests/ui/format_push_string.rs:120:17
   |
LL |                 string.push_str(&format!("{:?}", 1234));
   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: you may need to import the `std::fmt::Write` trait
help: consider using `write!` to avoid the extra allocation
   |
LL -                 string.push_str(&format!("{:?}", 1234));
LL +                 let _ = write!(string, "{:?}", 1234);
   |

error: `format!(..)` appended to existing `String`
  --> tests/ui/format_push_string.rs:127:17
   |
LL |                 string.push_str(&format!("{:?}", 1234));
   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: you may need to import the `std::fmt::Write` trait
help: consider using `write!` to avoid the extra allocation
   |
LL -                 string.push_str(&format!("{:?}", 1234));
LL +                 let _ = write!(string, "{:?}", 1234);
   |

error: aborting due to 15 previous errors