message: [typo] Fix typo in readme
  Fix typo in readme
diff: @@ -40,7 +40,7 @@ artifact to the test suite, copy it to a file inside
  `artifacts/<target>/`.
  `cargo test` will now test the deserializer against the new artifact.
  -The test will likely fail at first; use.
  +The test will likely fail at first use.
  Note that `cargo test` runs each test in a separate process by default
  to isolate failures and memory usage; if you're attaching a debugger and
  