diff --git a/Cargo.toml b/Cargo.toml
index 047d966be66..2fbf6d17ce4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -42,7 +42,7 @@ clippy_lints = { version = "0.0.169", path = "clippy_lints" }
 cargo_metadata = "0.2"
 
 [dev-dependencies]
-compiletest_rs = "0.2.7"
+compiletest_rs = "0.3"
 duct = "0.8.2"
 lazy_static = "0.2"
 regex = "0.2"
diff --git a/tests/compile-test.rs b/tests/compile-test.rs
index be8793215dc..bd968cc6009 100644
--- a/tests/compile-test.rs
+++ b/tests/compile-test.rs
@@ -22,7 +22,11 @@ fn run_mode(dir: &'static str, mode: &'static str) {
     }
 
     config.mode = cfg_mode;
-    config.build_base = PathBuf::from("target/debug/test_build_base");
+    config.build_base = {
+        let mut path = std::env::current_dir().unwrap();
+        path.push("target/debug/test_build_base");
+        path
+    };
     config.src_base = PathBuf::from(format!("tests/{}", dir));
     config.rustc_path = clippy_driver_path();
 
diff --git a/tests/ui/cstring.stderr b/tests/ui/cstring.stderr
index ddb74ce9cac..c3dd9cf83f6 100644
--- a/tests/ui/cstring.stderr
+++ b/tests/ui/cstring.stderr
@@ -1,11 +1,3 @@
-error: function is never used: `temporary_cstring`
- --> $DIR/cstring.rs:4:1
-  |
-4 | fn temporary_cstring() {
-  | ^^^^^^^^^^^^^^^^^^^^^^
-  |
-  = note: `-D dead-code` implied by `-D warnings`
-
 error: you are getting the inner pointer of a temporary `CString`
  --> $DIR/cstring.rs:7:5
   |