1 error: unused extern crate
2 --> $DIR/unnecessary-extern-crate.rs:6:1
4 LL | extern crate libc;
5 | ^^^^^^^^^^^^^^^^^^ help: remove it
7 note: the lint level is defined here
8 --> $DIR/unnecessary-extern-crate.rs:3:9
10 LL | #![deny(unused_extern_crates)]
11 | ^^^^^^^^^^^^^^^^^^^^
13 error: unused extern crate
14 --> $DIR/unnecessary-extern-crate.rs:9:1
16 LL | extern crate libc as x;
17 | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove it
19 error: unused extern crate
20 --> $DIR/unnecessary-extern-crate.rs:31:5
22 LL | extern crate libc;
23 | ^^^^^^^^^^^^^^^^^^ help: remove it
25 error: unused extern crate
26 --> $DIR/unnecessary-extern-crate.rs:35:5
28 LL | extern crate libc as x;
29 | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove it
31 error: unused extern crate
32 --> $DIR/unnecessary-extern-crate.rs:44:9
34 LL | extern crate libc;
35 | ^^^^^^^^^^^^^^^^^^ help: remove it
37 error: unused extern crate
38 --> $DIR/unnecessary-extern-crate.rs:48:9
40 LL | extern crate libc as x;
41 | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove it
43 error: aborting due to 6 previous errors