rust-clippy/tests/ui/uninit_vec.stderr

error: calling `set_len()` immediately after reserving a buffer creates uninitialized values
  --> tests/ui/uninit_vec.rs:18:5
   |
LL |     let mut vec = Vec::<UnsafeCell<*mut S>>::with_capacity(1);
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
LL |     vec.set_len(1);
   |     ^^^^^^^^^^^^^^
   |
   = help: initialize the buffer or wrap the content in `MaybeUninit`
   = note: `-D clippy::uninit-vec` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(clippy::uninit_vec)]`

error: calling `set_len()` immediately after reserving a buffer creates uninitialized values
  --> tests/ui/uninit_vec.rs:24:5
   |
LL |     let mut vec: Vec<u8> = Vec::with_capacity(1000);
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
...
LL |         vec.set_len(200);
   |         ^^^^^^^^^^^^^^^^
   |
   = help: initialize the buffer or wrap the content in `MaybeUninit`

error: calling `set_len()` immediately after reserving a buffer creates uninitialized values
  --> tests/ui/uninit_vec.rs:31:5
   |
LL |     vec.reserve(1000);
   |     ^^^^^^^^^^^^^^^^^^
...
LL |         vec.set_len(200);
   |         ^^^^^^^^^^^^^^^^
   |
   = help: initialize the buffer or wrap the content in `MaybeUninit`

error: calling `set_len()` on empty `Vec` creates out-of-bound values
  --> tests/ui/uninit_vec.rs:38:5
   |
LL |     let mut vec: Vec<u8> = Vec::new();
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
...
LL |         vec.set_len(200);
   |         ^^^^^^^^^^^^^^^^

error: calling `set_len()` on empty `Vec` creates out-of-bound values
  --> tests/ui/uninit_vec.rs:45:5
   |
LL |     let mut vec: Vec<u8> = Default::default();
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
...
LL |         vec.set_len(200);
   |         ^^^^^^^^^^^^^^^^

error: calling `set_len()` on empty `Vec` creates out-of-bound values
  --> tests/ui/uninit_vec.rs:51:5
   |
LL |     let mut vec: Vec<u8> = Vec::default();
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
...
LL |         vec.set_len(200);
   |         ^^^^^^^^^^^^^^^^

error: calling `set_len()` immediately after reserving a buffer creates uninitialized values
  --> tests/ui/uninit_vec.rs:68:5
   |
LL |     let mut vec: Vec<u8> = Vec::with_capacity(1000);
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
...
LL |         vec.set_len(200);
   |         ^^^^^^^^^^^^^^^^
   |
   = help: initialize the buffer or wrap the content in `MaybeUninit`

error: calling `set_len()` immediately after reserving a buffer creates uninitialized values
  --> tests/ui/uninit_vec.rs:78:5
   |
LL |     my_vec.vec.reserve(1000);
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
...
LL |         my_vec.vec.set_len(200);
   |         ^^^^^^^^^^^^^^^^^^^^^^^
   |
   = help: initialize the buffer or wrap the content in `MaybeUninit`

error: calling `set_len()` immediately after reserving a buffer creates uninitialized values
  --> tests/ui/uninit_vec.rs:84:5
   |
LL |     my_vec.vec = Vec::with_capacity(1000);
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
...
LL |         my_vec.vec.set_len(200);
   |         ^^^^^^^^^^^^^^^^^^^^^^^
   |
   = help: initialize the buffer or wrap the content in `MaybeUninit`

error: calling `set_len()` immediately after reserving a buffer creates uninitialized values
  --> tests/ui/uninit_vec.rs:59:9
   |
LL |         let mut vec: Vec<u8> = Vec::with_capacity(1000);
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
LL |
LL |         vec.set_len(200);
   |         ^^^^^^^^^^^^^^^^
   |
   = help: initialize the buffer or wrap the content in `MaybeUninit`

error: calling `set_len()` immediately after reserving a buffer creates uninitialized values
  --> tests/ui/uninit_vec.rs:63:9
   |
LL |         vec.reserve(1000);
   |         ^^^^^^^^^^^^^^^^^^
LL |
LL |         vec.set_len(200);
   |         ^^^^^^^^^^^^^^^^
   |
   = help: initialize the buffer or wrap the content in `MaybeUninit`

error: calling `set_len()` immediately after reserving a buffer creates uninitialized values
  --> tests/ui/uninit_vec.rs:139:9
   |
LL |         let mut vec: Vec<T> = Vec::with_capacity(1000);
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
...
LL |             vec.set_len(10);
   |             ^^^^^^^^^^^^^^^
   |
   = help: initialize the buffer or wrap the content in `MaybeUninit`

error: calling `set_len()` immediately after reserving a buffer creates uninitialized values
  --> tests/ui/uninit_vec.rs:166:9
   |
LL |         let mut vec: Vec<Recursive<T>> = Vec::with_capacity(1);
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
...
LL |             vec.set_len(1);
   |             ^^^^^^^^^^^^^^
   |
   = help: initialize the buffer or wrap the content in `MaybeUninit`

error: calling `set_len()` immediately after reserving a buffer creates uninitialized values
  --> tests/ui/uninit_vec.rs:179:9
   |
LL |         let mut vec: Vec<Enum<T>> = Vec::with_capacity(1);
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
...
LL |             vec.set_len(1);
   |             ^^^^^^^^^^^^^^
   |
   = help: initialize the buffer or wrap the content in `MaybeUninit`

error: aborting due to 14 previous errors