The "pkg010" test output depends on the version of optparse-applicative being used. The expected output requires optparse-applicative >= 0.15.1.0. Skip the test for now. --- idris-1.3.3/test/TestData.hs 2021-01-19 23:05:24.238958262 -0600 +++ idris-1.3.3/test/TestData.hs 2021-01-19 23:10:33.314390997 -0600 @@ -212,8 +212,10 @@ ( 5, ANY ), ( 6, ANY ), ( 7, ANY ), - ( 8, ANY ), - ( 10, ANY )]), + ( 8, ANY )]), +-- FIXME: Expected output depends on optparse-applicative version. +-- See https://github.com/idris-lang/Idris-dev/issues/4896 +-- ( 10, ANY )]), ("prelude", "Prelude", [ ( 1, ANY )]), ("primitives", "Primitive types",