diff --git a/Cargo.lock b/Cargo.lock
index 3a2e43535974..2e0f1e3562ba 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -68,11 +68,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "compiletest_rs"
-version = "0.2.9"
+version = "0.2.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-serialize 0.3.24 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tempdir 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -184,12 +185,11 @@ version = "0.1.0"
 dependencies = [
  "byteorder 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "cargo_metadata 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "compiletest_rs 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "compiletest_rs 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "env_logger 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "log_settings 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_miri 0.1.0",
- "tempdir 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -349,7 +349,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum byteorder 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ff81738b726f5d099632ceaffe7fb65b90212e8dce59d518729e7e8634032d3d"
 "checksum cargo_metadata 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "be1057b8462184f634c3a208ee35b0f935cfd94b694b26deadccd98732088d7b"
 "checksum cfg-if 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "d4c819a1287eb618df47cc647173c5c4c66ba19d888a6e50d605672aed3140de"
-"checksum compiletest_rs 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)" = "3dc4720203de7b490e2808cad3e9090e8850eed4ecd4176b246551a952f4ead7"
+"checksum compiletest_rs 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)" = "2741d378feb7a434dba54228c89a70b4e427fee521de67cdda3750b8a0265f5a"
 "checksum conv 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "78ff10625fd0ac447827aa30ea8b861fead473bb60aeb73af6c1c58caf0d1299"
 "checksum custom_derive 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)" = "ef8ae57c4978a2acd8b869ce6b9ca1dfe817bff704c220209fdef2c0b75a01b9"
 "checksum dbghelp-sys 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "97590ba53bcb8ac28279161ca943a924d1fd4a8fb3fa63302591647c4fc5b850"
diff --git a/Cargo.toml b/Cargo.toml
index 5c25a0dc0b4f..5dbf4521c988 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -33,8 +33,7 @@ rustc_miri = { path = "src/librustc_mir" }
 cargo_miri = ["cargo_metadata"]
 
 [dev-dependencies]
-compiletest_rs = "0.2.6"
-tempdir = "0.3"
+compiletest_rs = { version = "0.2.10", features = ["tmp"] }
 
 [workspace]
 exclude = ["xargo", "cargo-miri-test", "rustc_tests"]
diff --git a/tests/compiletest.rs b/tests/compiletest.rs
index e7c82367b29d..f9d99206e278 100644
--- a/tests/compiletest.rs
+++ b/tests/compiletest.rs
@@ -1,12 +1,10 @@
 #![feature(slice_concat_ext)]
 
 extern crate compiletest_rs as compiletest;
-extern crate tempdir;
 
 use std::slice::SliceConcatExt;
 use std::path::{PathBuf, Path};
 use std::io::Write;
-use tempdir::TempDir;
 
 macro_rules! eprintln {
     ($($arg:tt)*) => {
@@ -37,10 +35,8 @@ fn compile_fail(sysroot: &Path, path: &str, target: &str, host: &str, fullmir: b
         path,
         target
     );
-    let build_dir = TempDir::new("miri-tests").unwrap();
-    let mut config = compiletest::Config::default();
+    let mut config = compiletest::Config::default().tempdir();
     config.mode = "compile-fail".parse().expect("Invalid mode");
-    config.build_base = build_dir.path().to_owned();
     config.rustc_path = miri_path();
     let mut flags = Vec::new();
     if rustc_test_suite().is_some() {
@@ -70,10 +66,8 @@ fn compile_fail(sysroot: &Path, path: &str, target: &str, host: &str, fullmir: b
 
 fn run_pass(path: &str) {
     eprintln!("## Running run-pass tests in {} against rustc", path);
-    let build_dir = TempDir::new("miri-tests").unwrap();
-    let mut config = compiletest::Config::default();
+    let mut config = compiletest::Config::default().tempdir();
     config.mode = "run-pass".parse().expect("Invalid mode");
-    config.build_base = build_dir.path().to_owned();
     config.src_base = PathBuf::from(path);
     if let Some(rustc_path) = rustc_test_suite() {
         config.rustc_path = rustc_path;
@@ -95,10 +89,8 @@ fn miri_pass(path: &str, target: &str, host: &str, fullmir: bool, opt: bool) {
         target,
         opt_str
     );
-    let build_dir = TempDir::new("miri-tests").unwrap();
-    let mut config = compiletest::Config::default();
+    let mut config = compiletest::Config::default().tempdir();
     config.mode = "mir-opt".parse().expect("Invalid mode");
-    config.build_base = build_dir.path().to_owned();
     config.src_base = PathBuf::from(path);
     config.target = target.to_owned();
     config.host = host.to_owned();