updated the tool to use rayon and have output capabilities

target/release/.fingerprint/utf8parse-738d956d8514c9c9/invoked.timestamp

@@ -0,0 +1 @@
+This file has an mtime of when this was started.

target/release/.fingerprint/utf8parse-738d956d8514c9c9/lib-utf8parse

@@ -0,0 +1 @@
+3c3a9a503ab6bdc9

target/release/.fingerprint/utf8parse-738d956d8514c9c9/lib-utf8parse.json

@@ -0,0 +1 @@
+{"rustc":5391851738765093524,"features":"[\"default\"]","declared_features":"[\"default\", \"nightly\"]","target":11797528592077938939,"profile":2040997289075261528,"path":4096863748630605672,"deps":[],"local":[{"CheckDepInfo":{"dep_info":"release/.fingerprint/utf8parse-738d956d8514c9c9/dep-lib-utf8parse","checksum":false}}],"rustflags":[],"config":8247474407144887393,"compile_kind":0}