--- nix-0.15.0/Cargo.toml	1970-01-01T00:00:00+00:00
+++ nix-0.15.0/Cargo.toml	2019-09-08T14:09:30.459624+00:00
@@ -59,13 +59,9 @@
 version = "1.2"
 
 [dev-dependencies.rand]
-version = ">= 0.6, < 0.7"
+version = "0.6"
 
 [dev-dependencies.tempfile]
-version = ">= 3.0.5, < 3.0.9"
+version = "3.0.5"
 [target."cfg(any(target_os = \"android\", target_os = \"linux\"))".dev-dependencies.caps]
 version = "0.3.1"
-[target."cfg(target_os = \"dragonfly\")".build-dependencies.cc]
-version = "1"
-[target."cfg(target_os = \"freebsd\")".dev-dependencies.sysctl]
-version = "0.1"