error: unsafe block missing a safety comment
  --> $DIR/undocumented_unsafe_blocks.rs:256:19
   |
LL |     /* Safety: */ unsafe {}
   |                   ^^^^^^^^^
   |
   = note: `-D clippy::undocumented-unsafe-blocks` implied by `-D warnings`
   = help: consider adding a safety comment on the preceding line

error: unsafe block missing a safety comment
  --> $DIR/undocumented_unsafe_blocks.rs:260:5
   |
LL |     unsafe {}
   |     ^^^^^^^^^
   |
   = help: consider adding a safety comment on the preceding line

error: unsafe block missing a safety comment
  --> $DIR/undocumented_unsafe_blocks.rs:264:14
   |
LL |     let _ = [unsafe { 14 }, unsafe { 15 }, 42, unsafe { 16 }];
   |              ^^^^^^^^^^^^^
   |
   = help: consider adding a safety comment on the preceding line

error: unsafe block missing a safety comment
  --> $DIR/undocumented_unsafe_blocks.rs:264:29
   |
LL |     let _ = [unsafe { 14 }, unsafe { 15 }, 42, unsafe { 16 }];
   |                             ^^^^^^^^^^^^^
   |
   = help: consider adding a safety comment on the preceding line

error: unsafe block missing a safety comment
  --> $DIR/undocumented_unsafe_blocks.rs:264:48
   |
LL |     let _ = [unsafe { 14 }, unsafe { 15 }, 42, unsafe { 16 }];
   |                                                ^^^^^^^^^^^^^
   |
   = help: consider adding a safety comment on the preceding line

error: unsafe block missing a safety comment
  --> $DIR/undocumented_unsafe_blocks.rs:268:18
   |
LL |     let _ = (42, unsafe {}, "test", unsafe {});
   |                  ^^^^^^^^^
   |
   = help: consider adding a safety comment on the preceding line

error: unsafe block missing a safety comment
  --> $DIR/undocumented_unsafe_blocks.rs:268:37
   |
LL |     let _ = (42, unsafe {}, "test", unsafe {});
   |                                     ^^^^^^^^^
   |
   = help: consider adding a safety comment on the preceding line

error: unsafe block missing a safety comment
  --> $DIR/undocumented_unsafe_blocks.rs:272:14
   |
LL |     let _ = *unsafe { &42 };
   |              ^^^^^^^^^^^^^^
   |
   = help: consider adding a safety comment on the preceding line

error: unsafe block missing a safety comment
  --> $DIR/undocumented_unsafe_blocks.rs:277:19
   |
LL |     let _ = match unsafe {} {
   |                   ^^^^^^^^^
   |
   = help: consider adding a safety comment on the preceding line

error: unsafe block missing a safety comment
  --> $DIR/undocumented_unsafe_blocks.rs:283:14
   |
LL |     let _ = &unsafe {};
   |              ^^^^^^^^^
   |
   = help: consider adding a safety comment on the preceding line

error: unsafe block missing a safety comment
  --> $DIR/undocumented_unsafe_blocks.rs:287:14
   |
LL |     let _ = [unsafe {}; 5];
   |              ^^^^^^^^^
   |
   = help: consider adding a safety comment on the preceding line

error: unsafe block missing a safety comment
  --> $DIR/undocumented_unsafe_blocks.rs:291:13
   |
LL |     let _ = unsafe {};
   |             ^^^^^^^^^
   |
   = help: consider adding a safety comment on the preceding line

error: unsafe block missing a safety comment
  --> $DIR/undocumented_unsafe_blocks.rs:301:8
   |
LL |     t!(unsafe {});
   |        ^^^^^^^^^
   |
   = help: consider adding a safety comment on the preceding line

error: unsafe block missing a safety comment
  --> $DIR/undocumented_unsafe_blocks.rs:307:13
   |
LL |             unsafe {}
   |             ^^^^^^^^^
...
LL |     t!();
   |     ---- in this macro invocation
   |
   = help: consider adding a safety comment on the preceding line
   = note: this error originates in the macro `t` (in Nightly builds, run with -Z macro-backtrace for more info)

error: unsafe block missing a safety comment
  --> $DIR/undocumented_unsafe_blocks.rs:315:5
   |
LL |     unsafe {} // SAFETY:
   |     ^^^^^^^^^
   |
   = help: consider adding a safety comment on the preceding line

error: unsafe block missing a safety comment
  --> $DIR/undocumented_unsafe_blocks.rs:319:5
   |
LL |     unsafe {
   |     ^^^^^^^^
   |
   = help: consider adding a safety comment on the preceding line

error: unsafe block missing a safety comment
  --> $DIR/undocumented_unsafe_blocks.rs:329:5
   |
LL |     unsafe {};
   |     ^^^^^^^^^
   |
   = help: consider adding a safety comment on the preceding line

error: unsafe block missing a safety comment
  --> $DIR/undocumented_unsafe_blocks.rs:333:20
   |
LL |     println!("{}", unsafe { String::from_utf8_unchecked(vec![]) });
   |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = help: consider adding a safety comment on the preceding line

error: aborting due to 18 previous errors