Rollup merge of #59309 - o01eg:verbose-copy-files, r=alexcrichton
Rollup merge of #59309 - o01eg:verbose-copy-files, r=alexcrichton

Add messages for different verbosity levels. Output copy actions.

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