message: Revive dependency recompilation test
diff: @@ -297,9 +297,17 @@ fn no_rebuild_dependency() {
  in [..]\n",
  p.url(),
  p.url())));
  - // This time we shouldn't compile bar
  +
  + p.change_file("src/foo.rs", r#"
  + extern crate bar;
  + fn main() { bar::bar(); }
  + "#);
  + // Don't compile bar, but do recompile foo.
  assert_that(p.cargo("build"),
  - execs().with_stdout(""));
  + execs().with_stderr("\
  + [COMPILING] foo v0.5.0 ([..])\n\
  + [FINISHED] dev [unoptimized + debuginfo] target(s) \
  + in [..]\n"));
  }
  #[test]
  