Unable to build prerequisite module: Test-Pod-Coverage (0) Unable to build prerequisite module: Test-Strict (0) Unable to build prerequisite module: Data-TreeDumper (0) Unable to build prerequisite module: Test-Dependencies (0) Unable to build prerequisite module: Test-Exception (0) Unable to build prerequisite module: Test-Perl-Critic (0) Directory-Scratch-Structured could not be built due to the above failed prerequisites.