error: unnecessary `unsafe` block
  --> $DIR/lint-unused-unsafe.rs:16:13
   |
LL | fn bad1() { unsafe {} }
   |             ^^^^^^ unnecessary `unsafe` block
   |
note: lint level defined here
  --> $DIR/lint-unused-unsafe.rs:4:9
   |
LL | #![deny(unused_unsafe)]
   |         ^^^^^^^^^^^^^

error: unnecessary `unsafe` block
  --> $DIR/lint-unused-unsafe.rs:17:13
   |
LL | fn bad2() { unsafe { bad1() } }
   |             ^^^^^^ unnecessary `unsafe` block

error: unnecessary `unsafe` block
  --> $DIR/lint-unused-unsafe.rs:18:20
   |
LL | unsafe fn bad3() { unsafe {} }
   | ----------------   ^^^^^^ unnecessary `unsafe` block
   | |
   | because it's nested under this `unsafe` fn

error: unnecessary `unsafe` block
  --> $DIR/lint-unused-unsafe.rs:19:13
   |
LL | fn bad4() { unsafe { callback(||{}) } }
   |             ^^^^^^ unnecessary `unsafe` block

error: unnecessary `unsafe` block
  --> $DIR/lint-unused-unsafe.rs:20:20
   |
LL | unsafe fn bad5() { unsafe { unsf() } }
   | ----------------   ^^^^^^ unnecessary `unsafe` block
   | |
   | because it's nested under this `unsafe` fn

error: unnecessary `unsafe` block
  --> $DIR/lint-unused-unsafe.rs:23:9
   |
LL |     unsafe {                             // don't put the warning here
   |     ------ because it's nested under this `unsafe` block
LL |         unsafe {
   |         ^^^^^^ unnecessary `unsafe` block

error: unnecessary `unsafe` block
  --> $DIR/lint-unused-unsafe.rs:29:5
   |
LL | unsafe fn bad7() {
   | ---------------- because it's nested under this `unsafe` fn
LL |     unsafe {
   |     ^^^^^^ unnecessary `unsafe` block

error: unnecessary `unsafe` block
  --> $DIR/lint-unused-unsafe.rs:30:9
   |
LL | unsafe fn bad7() {
   | ---------------- because it's nested under this `unsafe` fn
LL |     unsafe {
LL |         unsafe {
   |         ^^^^^^ unnecessary `unsafe` block

error: aborting due to 8 previous errors