Don't add .d and .rmeta files to the sysroot
Don't add .d and .rmeta files to the sysroot

Fixes #1106

graydon/rust,graydon/rust,graydon/rust,aidancully/rust,aidancully/rust,aidancully/rust,graydon/rust,aidancully/rust,aidancully/rust,aidancully/rust,graydon/rust,graydon/rust