use rustc_errors::ErrorGuaranteed;
 use rustc_parse::parser::{ForceCollect, Parser};
 use rustc_session::config::ProcMacroExecutionStrategy;
-use rustc_span::Span;
 use rustc_span::profiling::SpannedEventArgRecorder;
-use rustc_span::sym;
+use rustc_span::{Span, sym};
 use {rustc_ast as ast, rustc_proc_macro as pm};
 
 use crate::base::{self, *};
fmt: checked 6340 files
Bootstrap failed while executing `test --stage 0 src/tools/tidy tidyselftest --extra-checks=py,cpp,js,spellcheck`
Build completed unsuccessfully in 0:00:47