Properly flush stdout while uploading

src/main.rs

@@ -76,6 +76,7 @@ fn create(server: &str, args: CreateArgs) {
 		};
 		let index_url = files.into_iter()
 			.inspect(|(path, _)| print!("\x1b[36m{}\x1b[0m\n\x1b[37m├─\x1b[0m Reading...      ", path.display()))
+			.inspect(|_| drop(stdout().flush()))
 			.map(|(path, mut file)|
 				 (|| {
 					let mut buff = Vec::with_capacity(file.metadata()?.len() as usize);
@@ -84,12 +85,14 @@ fn create(server: &str, args: CreateArgs) {
 				})().map_err(|e| AviaryError::StreamReadError(path.to_owned(), e))
 			)
 			.inspect(|r| if r.is_ok() { print!("\x1b[32mDone!\n\x1b[37m├─\x1b[0m Thumbnailing... ") })
+			.inspect(|_| drop(stdout().flush()))
 			.map(|r| r.and_then(|(path, raw_dat)| {
 				let (thumbnail, blurhash) = thumbnailing::thumbnail(&raw_dat)
 					.map_err(|_| AviaryError::ImageFormatError(path.to_owned()))?;
 				Ok((raw_dat, thumbnail, blurhash))
 			}))
 			.inspect(|r| if r.is_ok() { print!("\x1b[32mDone!\n\x1b[37m├─\x1b[0m Encrypting...   ")})
+			.inspect(|_| drop(stdout().flush()))
 			.map_ok(|(raw_dat, thumbnail, blurhash)| {
 				let key = crypto::make_key();
 				(
@@ -100,6 +103,7 @@ fn create(server: &str, args: CreateArgs) {
 				)
 			})
 			.inspect(|r| if r.is_ok() { print!("\x1b[32mDone!\n\x1b[37m└─\x1b[0m Uploading...    ")})
+			.inspect(|_| drop(stdout().flush()))
 			.map(|r| r.and_then(|(key, full_img, thumb, blurhash)|
 				upload::put_data(&agent, &*full_server, &thumb)
 					.and_then(|thumb_url|