constraints: any.ansi-terminal ==0.10.3,
             ansi-terminal -example,
             any.ansi-wl-pprint ==0.6.9,
             ansi-wl-pprint -example,
             any.array ==0.5.4.0,
             any.base ==4.13.0.0,
             any.bytestring ==0.10.10.0,
             any.colour ==2.3.5,
             any.deepseq ==1.4.4.0,
             any.directory ==1.3.6.0,
             any.filepath ==1.4.2.1,
             any.ghc-prim ==0.5.3,
             any.integer-gmp ==1.0.2.0,
             any.optparse-applicative ==0.15.1.0,
             any.process ==1.6.8.0,
             any.random ==1.1,
             any.rts ==1.0,
             any.time ==1.9.3,
             any.transformers ==0.5.6.2,
             any.transformers-compat ==0.6.5,
             transformers-compat -five +five-three -four +generic-deriving +mtl -three -two,
             any.unix ==2.7.2.2