diff --git a/Cargo.lock b/Cargo.lock
index e45926f832c98..2115838185854 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -304,6 +304,7 @@ dependencies = [
  "num_cpus",
  "opener",
  "openssl",
+ "os_info",
  "percent-encoding 2.1.0",
  "pretty_env_logger",
  "rustc-workspace-hack",
@@ -867,9 +868,9 @@ dependencies = [
 
 [[package]]
 name = "curl"
-version = "0.4.38"
+version = "0.4.39"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "003cb79c1c6d1c93344c7e1201bb51c2148f24ec2bd9c253709d6b2efb796515"
+checksum = "aaa3b8db7f3341ddef15786d250106334d4a6c4b0ae4a46cd77082777d9849b9"
 dependencies = [
  "curl-sys",
  "libc",
@@ -882,9 +883,9 @@ dependencies = [
 
 [[package]]
 name = "curl-sys"
-version = "0.4.48+curl-7.79.1"
+version = "0.4.49+curl-7.79.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a6a77a741f832116da66aeb126b4f19190ecf46144a74a9bde43c2086f38da0e"
+checksum = "e0f44960aea24a786a46907b8824ebc0e66ca06bf4e4978408c7499620343483"
 dependencies = [
  "cc",
  "libc",
@@ -1427,9 +1428,9 @@ dependencies = [
 
 [[package]]
 name = "git2"
-version = "0.13.17"
+version = "0.13.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1d250f5f82326884bd39c2853577e70a121775db76818ffa452ed1e80de12986"
+checksum = "2a8057932925d3a9d9e4434ea016570d37420ddb1ceed45a174d577f24ed6700"
 dependencies = [
  "bitflags",
  "libc",
@@ -1888,9 +1889,9 @@ dependencies = [
 
 [[package]]
 name = "libgit2-sys"
-version = "0.12.18+1.1.0"
+version = "0.12.24+1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3da6a42da88fc37ee1ecda212ffa254c25713532980005d5f7c0b0fbe7e6e885"
+checksum = "ddbd6021eef06fb289a8f54b3c2acfdd85ff2a585dfbb24b8576325373d2152c"
 dependencies = [
  "cc",
  "libc",
@@ -2407,6 +2408,17 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dd20eec3dbe4376829cb7d80ae6ac45e0a766831dca50202ff2d40db46a8a024"
 
+[[package]]
+name = "os_info"
+version = "3.0.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6ac91020bfed8cc3f8aa450d4c3b5fa1d3373fc091c8a92009f3b27749d5a227"
+dependencies = [
+ "log",
+ "serde",
+ "winapi",
+]
+
 [[package]]
 name = "output_vt100"
 version = "0.1.2"
diff --git a/src/tools/cargo b/src/tools/cargo
index d56b42c549dbb..c7957a74bdcf3 160000
--- a/src/tools/cargo
+++ b/src/tools/cargo
@@ -1 +1 @@
-Subproject commit d56b42c549dbb7e7d0f712c51b39400260d114d4
+Subproject commit c7957a74bdcf3b11e7154c1a9401735f23ebd484
diff --git a/src/tools/rustc-workspace-hack/Cargo.toml b/src/tools/rustc-workspace-hack/Cargo.toml
index a28cf28841e54..4bda3fb22c280 100644
--- a/src/tools/rustc-workspace-hack/Cargo.toml
+++ b/src/tools/rustc-workspace-hack/Cargo.toml
@@ -61,7 +61,9 @@ features = [
   "wincrypt",
   "windef",
   "winioctl",
+  "winreg",
   "winsock2",
+  "winuser",
   "ws2def",
   "ws2ipdef",
   "ws2tcpip",