--- a/rust/Cargo.lock	Mon Apr 25 11:09:33 2022 +0200
+++ b/rust/Cargo.lock	Wed May 04 18:17:44 2022 +0200
@@ -590,9 +590,9 @@
 
 [[package]]
 name = "libc"
-version = "0.2.119"
+version = "0.2.124"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1bf2e165bb3457c8e098ea76f3e3bc9db55f87aa90d52d0e6be741470916aaa4"
+checksum = "21a41fed9d98f27ab1c6d161da622a4fa35e8a54a8adc24bbf3ddd0ef70b0e50"
 
 [[package]]
 name = "libm"
@@ -1032,6 +1032,7 @@
  "micro-timer 0.4.0",
  "regex",
  "users",
+ "which",
 ]
 
 [[package]]
@@ -1251,6 +1252,17 @@
 checksum = "1a143597ca7c7793eff794def352d41792a93c481eb1042423ff7ff72ba2c31f"
 
 [[package]]
+name = "which"
+version = "4.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c4fb54e6113b6a8772ee41c3404fb0301ac79604489467e0a9ce1f3e97c24ae"
+dependencies = [
+ "either",
+ "lazy_static",
+ "libc",
+]
+
+[[package]]
 name = "winapi"
 version = "0.3.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"