error: file opened with "truncate" and "read"
 --> open_options.rs:8:5
  |
8 |     OpenOptions::new().read(true).truncate(true).open("foo.txt");
  |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  |
  = note: `-D nonsensical-open-options` implied by `-D warnings`

error: file opened with "append" and "truncate"
 --> open_options.rs:9:5
  |
9 |     OpenOptions::new().append(true).truncate(true).open("foo.txt");
  |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  |
  = note: `-D nonsensical-open-options` implied by `-D warnings`

error: the method "read" is called more than once
  --> open_options.rs:11:5
   |
11 |     OpenOptions::new().read(true).read(false).open("foo.txt");
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: `-D nonsensical-open-options` implied by `-D warnings`

error: the method "create" is called more than once
  --> open_options.rs:12:5
   |
12 |     OpenOptions::new().create(true).create(false).open("foo.txt");
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: `-D nonsensical-open-options` implied by `-D warnings`

error: the method "write" is called more than once
  --> open_options.rs:13:5
   |
13 |     OpenOptions::new().write(true).write(false).open("foo.txt");
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: `-D nonsensical-open-options` implied by `-D warnings`

error: the method "append" is called more than once
  --> open_options.rs:14:5
   |
14 |     OpenOptions::new().append(true).append(false).open("foo.txt");
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: `-D nonsensical-open-options` implied by `-D warnings`

error: the method "truncate" is called more than once
  --> open_options.rs:15:5
   |
15 |     OpenOptions::new().truncate(true).truncate(false).open("foo.txt");
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: `-D nonsensical-open-options` implied by `-D warnings`

error: aborting due to previous error(s)

error: Could not compile `clippy_tests`.

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