Imported Upstream version 0.6.0

diff --cc src/rust-installer
index e54d4823d26cdb3f98e5a1b17e1c257cd329aa61,c37d3747da75c280237dc2d6b925078e69555499..0000000000000000000000000000000000000000
deleted file mode 160000,160000
--- 1/src/rust-installer
--- 2/src/rust-installer
+++ /dev/null
@@@ -1,1 -1,1 +1,0 @@@
- Subproject commit e54d4823d26cdb3f98e5a1b17e1c257cd329aa61
 -Subproject commit c37d3747da75c280237dc2d6b925078e69555499