inform the user when nand where we are creating a cache dir

RalfJung · RalfJung · commit 444e2f003b6c · 2018-11-27T12:08:46.000+01:00
diff --git a/src/bin/cargo-miri.rs b/src/bin/cargo-miri.rs
@@ -149,6 +149,7 @@ fn setup(ask_user: bool) {
     let dirs = directories::ProjectDirs::from("miri", "miri", "miri").unwrap();
     let dir = dirs.cache_dir();
     if !dir.exists() {
+        println!("Creating `{}` and using it for miri's build of libstd", dir.display());
         fs::create_dir_all(&dir).unwrap();
     }
     // The interesting bit: Xargo.toml

Original file line number	Diff line number	Diff line change
`@@ -149,6 +149,7 @@ fn setup(ask_user: bool) {`
`149`	`149`	`let dirs = directories::ProjectDirs::from("miri", "miri", "miri").unwrap();`
`150`	`150`	`let dir = dirs.cache_dir();`
`151`	`151`	`if !dir.exists() {`
	`152`	+ println!("Creating `{}` and using it for miri's build of libstd", dir.display());
`152`	`153`	`fs::create_dir_all(&dir).unwrap();`
`153`	`154`	`}`
`154`	`155`	`// The interesting bit: Xargo.toml`