diff --git a/src/Cargo.lock b/src/Cargo.lock
index 9828966fa9539..989655ffb4f5c 100644
--- a/src/Cargo.lock
+++ b/src/Cargo.lock
@@ -172,13 +172,13 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "cargo"
-version = "0.30.0"
+version = "0.31.0"
 dependencies = [
  "atty 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "bufstream 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "clap 2.32.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "core-foundation 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "crates-io 0.18.0",
+ "crates-io 0.19.0",
  "crossbeam-utils 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "crypto-hash 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "curl 0.4.14 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -452,7 +452,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "crates-io"
-version = "0.18.0"
+version = "0.19.0"
 dependencies = [
  "curl 0.4.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1753,7 +1753,7 @@ dependencies = [
 name = "rls"
 version = "0.130.5"
 dependencies = [
- "cargo 0.30.0",
+ "cargo 0.31.0",
  "cargo_metadata 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "clippy_lints 0.0.212",
  "crossbeam-channel 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
diff --git a/src/bootstrap/test.rs b/src/bootstrap/test.rs
index f762d9414cff3..21b865a0dce1a 100644
--- a/src/bootstrap/test.rs
+++ b/src/bootstrap/test.rs
@@ -237,7 +237,9 @@ impl Step for Cargo {
         // Don't run cross-compile tests, we may not have cross-compiled libstd libs
         // available.
         cargo.env("CFG_DISABLE_CROSS_TESTS", "1");
-
+        // Disable a test that has issues with mingw.
+        cargo.env("CARGO_TEST_DISABLE_GIT_CLI", "1");
+        
         try_run(
             builder,
             cargo.env("PATH", &path_for_cargo(builder, compiler)),