When using configuration from:
  - no-pkgs.project
  - 0.config
  - 2.config
  - 4.config
  - 6.config
  - 8.config
  - cfg/1.config
  - cfg/3.config
  - cfg/5.config
  - cfg/7.config
  - cfg/9.config
  - with-ghc.config
  - https://www.stackage.org/lts-21.25/cabal.config
The following errors occurred:
  - The package directory 'no-pkg-1' does not contain any .cabal file.
  - The package location 'no-pkg-2-dir' does not exist.
  - The package directory 'no-pkg-3' does not contain any .cabal file.
  - The package location 'no-pkg-4-dir' does not exist.
