error: unused import: `std::io::BufRead`
  --> $DIR/unused-imports-in-test-mode.rs:5:5
   |
LL | use std::io::BufRead;
   |     ^^^^^^^^^^^^^^^^
   |
note: the lint level is defined here
  --> $DIR/unused-imports-in-test-mode.rs:3:9
   |
LL | #![deny(unused_imports)]
   |         ^^^^^^^^^^^^^^

error: unused import: `crate::b`
  --> $DIR/unused-imports-in-test-mode.rs:16:13
   |
LL |         use crate::b;
   |             ^^^^^^^^

error: unused import: `crate::b`
  --> $DIR/unused-imports-in-test-mode.rs:26:13
   |
LL |         use crate::b;
   |             ^^^^^^^^

error: unused import: `crate::b`
  --> $DIR/unused-imports-in-test-mode.rs:36:13
   |
LL |         use crate::b;
   |             ^^^^^^^^

error: unused import: `crate::b`
  --> $DIR/unused-imports-in-test-mode.rs:46:13
   |
LL |         use crate::b;
   |             ^^^^^^^^

error: unused import: `crate::b`
  --> $DIR/unused-imports-in-test-mode.rs:56:13
   |
LL |         use crate::b;
   |             ^^^^^^^^

error: unused import: `crate::b`
  --> $DIR/unused-imports-in-test-mode.rs:66:13
   |
LL |         use crate::b;
   |             ^^^^^^^^

error: unused import: `crate::b`
  --> $DIR/unused-imports-in-test-mode.rs:76:13
   |
LL |         use crate::b;
   |             ^^^^^^^^

error: unused import: `crate::b`
  --> $DIR/unused-imports-in-test-mode.rs:87:13
   |
LL |         use crate::b;
   |             ^^^^^^^^

error: unused import: `crate::b`
  --> $DIR/unused-imports-in-test-mode.rs:98:13
   |
LL |         use crate::b;
   |             ^^^^^^^^

error: aborting due to 10 previous errors