message: Attempt to improve Travis build times.
diff: @@ -62,6 +62,12 @@ before_script:
  export PATH=$HOME/.local/bin:$PATH;
  fi
  +before_cache:
  +- find ./target/{release,debug} -type f -maxdepth 1 -delete
  +- rm -fr ./target/{release,debug}/{deps,.fingerprint}/{*criterion*}
  +- rm -f ./target/.rustc_info.json
  +- rm -rf ./target/criterion
  +
  install:
  - sh ci/install.sh
  