Resolving dependencies...
Configuring parser-combinators-tests-1.3.1...
Building parser-combinators-tests-1.3.1...
Warning: No documentation was generated as this package does not contain a
library. Perhaps you want to use the --executables, --tests, --benchmarks or
--foreign-libraries flags.
Error: cabal: No executables and no library found. Nothing to do.

Failed to install parser-combinators-tests-1.3.1
Error: cabal: Some packages failed to install:
parser-combinators-tests-1.3.1-Btc4ZkrzW6U3pGXXkLAr3R failed during the final
install step. The exception was:
ExitFailure 1