Resolving dependencies...
Configuring unusable-pkg-0.1...
Building unusable-pkg-0.1...
Preprocessing executable 'unusablepkg' for unusable-pkg-0.1...
[1 of 1] Compiling Main             ( src/Main.hs, dist/build/unusablepkg/unusablepkg-tmp/Main.o )

src/Main.hs:16:1: Warning:
    Pattern match(es) are non-exhaustive
    In an equation for ‘unusableP’: Patterns not matched: ([], _)

src/Main.hs:21:1: Warning:
    Pattern match(es) are non-exhaustive
    In an equation for ‘spacesP’: Patterns not matched: ([], _)
Linking dist/build/unusablepkg/unusablepkg ...
Warning: No documentation was generated as this package does not contain a
library. Perhaps you want to use the --executables, --tests or --benchmarks
flags.
Installing executable(s) in
/home/builder/hackage-server/build-cache/tmp-install/bin
Warning: The directory
/home/builder/hackage-server/build-cache/tmp-install/bin is not in the system
search path.
Installed unusable-pkg-0.1