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

   1 error: calling `set_len()` immediately after reserving a buffer creates uninitialized values
   2   --> $DIR/uninit_vec.rs:12:5
   3    |
   4 LL |     let mut vec: Vec<u8> = Vec::with_capacity(1000);
   5    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   6 LL |     unsafe {
   7 LL |         vec.set_len(200);
   8    |         ^^^^^^^^^^^^^^^^
   9    |
  10    = note: `-D clippy::uninit-vec` implied by `-D warnings`
  11    = help: initialize the buffer or wrap the content in `MaybeUninit`
  12
  13 error: calling `set_len()` immediately after reserving a buffer creates uninitialized values
  14   --> $DIR/uninit_vec.rs:18:5
  15    |
  16 LL |     vec.reserve(1000);
  17    |     ^^^^^^^^^^^^^^^^^^
  18 LL |     unsafe {
  19 LL |         vec.set_len(200);
  20    |         ^^^^^^^^^^^^^^^^
  21    |
  22    = help: initialize the buffer or wrap the content in `MaybeUninit`
  23
  24 error: calling `set_len()` on empty `Vec` creates out-of-bound values
  25   --> $DIR/uninit_vec.rs:24:5
  26    |
  27 LL |     let mut vec: Vec<u8> = Vec::new();
  28    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  29 LL |     unsafe {
  30 LL |         vec.set_len(200);
  31    |         ^^^^^^^^^^^^^^^^
  32
  33 error: calling `set_len()` on empty `Vec` creates out-of-bound values
  34   --> $DIR/uninit_vec.rs:30:5
  35    |
  36 LL |     let mut vec: Vec<u8> = Default::default();
  37    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  38 LL |     unsafe {
  39 LL |         vec.set_len(200);
  40    |         ^^^^^^^^^^^^^^^^
  41
  42 error: calling `set_len()` on empty `Vec` creates out-of-bound values
  43   --> $DIR/uninit_vec.rs:35:5
  44    |
  45 LL |     let mut vec: Vec<u8> = Vec::default();
  46    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  47 LL |     unsafe {
  48 LL |         vec.set_len(200);
  49    |         ^^^^^^^^^^^^^^^^
  50
  51 error: calling `set_len()` immediately after reserving a buffer creates uninitialized values
  52   --> $DIR/uninit_vec.rs:49:5
  53    |
  54 LL |     let mut vec: Vec<u8> = Vec::with_capacity(1000);
  55    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  56 ...
  57 LL |         vec.set_len(200);
  58    |         ^^^^^^^^^^^^^^^^
  59    |
  60    = help: initialize the buffer or wrap the content in `MaybeUninit`
  61
  62 error: calling `set_len()` immediately after reserving a buffer creates uninitialized values
  63   --> $DIR/uninit_vec.rs:58:5
  64    |
  65 LL |     my_vec.vec.reserve(1000);
  66    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
  67 LL |     unsafe {
  68 LL |         my_vec.vec.set_len(200);
  69    |         ^^^^^^^^^^^^^^^^^^^^^^^
  70    |
  71    = help: initialize the buffer or wrap the content in `MaybeUninit`
  72
  73 error: calling `set_len()` immediately after reserving a buffer creates uninitialized values
  74   --> $DIR/uninit_vec.rs:63:5
  75    |
  76 LL |     my_vec.vec = Vec::with_capacity(1000);
  77    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  78 LL |     unsafe {
  79 LL |         my_vec.vec.set_len(200);
  80    |         ^^^^^^^^^^^^^^^^^^^^^^^
  81    |
  82    = help: initialize the buffer or wrap the content in `MaybeUninit`
  83
  84 error: calling `set_len()` immediately after reserving a buffer creates uninitialized values
  85   --> $DIR/uninit_vec.rs:42:9
  86    |
  87 LL |         let mut vec: Vec<u8> = Vec::with_capacity(1000);
  88    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  89 LL |         vec.set_len(200);
  90    |         ^^^^^^^^^^^^^^^^
  91    |
  92    = help: initialize the buffer or wrap the content in `MaybeUninit`
  93
  94 error: calling `set_len()` immediately after reserving a buffer creates uninitialized values
  95   --> $DIR/uninit_vec.rs:45:9
  96    |
  97 LL |         vec.reserve(1000);
  98    |         ^^^^^^^^^^^^^^^^^^
  99 LL |         vec.set_len(200);
 100    |         ^^^^^^^^^^^^^^^^
 101    |
 102    = help: initialize the buffer or wrap the content in `MaybeUninit`
 103
 104 error: aborting due to 10 previous errors
 105