--0.9.0
constraints: Diff ==0.4.1,
             OneTuple ==0.4.1.1,
             QuickCheck ==2.14.2,
             StateVar ==1.2.2,
             aeson ==2.1.2.1,
             array ==0.5.4.0,
             assoc ==1.1,
             attoparsec ==0.14.4,
             base ==4.17.1.0,
             base-compat ==0.13.0,
             base-compat-batteries ==0.13.0,
             base-orphans ==0.9.0,
             bifunctors ==5.6.1,
             binary ==0.8.9.1,
             bytestring ==0.11.4.0,
             comonad ==5.0.8,
             containers ==0.6.7,
             contravariant ==1.5.5,
             data-fix ==0.3.2,
             deepseq ==1.4.8.0,
             directory ==1.3.7.1,
             distributive ==0.6.2.1,
             dlist ==1.0,
             exceptions ==0.10.5,
             fgl ==5.8.1.1,
             filepath ==1.4.2.2,
             foldable1-classes-compat ==0.1,
             generically ==0.1.1,
             ghc-bignum ==1.3,
             ghc-boot-th ==9.4.5,
             ghc-prim ==0.9.0,
             hashable ==1.4.2.0,
             indexed-traversable ==0.1.2.1,
             indexed-traversable-instances ==0.1.1.2,
             integer-logarithms ==1.0.3.1,
             mtl ==2.2.2,
             parsec ==3.1.16.1,
             pretty ==1.1.3.6,
             primitive ==0.8.0.0,
             process ==1.6.16.0,
             random ==1.2.1.1,
             regex-base ==0.94.0.2,
             regex-tdfa ==1.3.2,
             rts ==1.0.2,
             scientific ==0.3.7.0,
             semialign ==1.3,
             semigroupoids ==6.0.0.1,
             splitmix ==0.1.0.4,
             stm ==2.5.1.0,
             strict ==0.5,
             tagged ==0.8.7,
             template-haskell ==2.19.0.0,
             text ==2.0.2,
             text-short ==0.1.5,
             th-abstraction ==0.5.0.0,
             these ==1.2,
             time ==1.12.2,
             time-compat ==1.9.6.1,
             transformers ==0.5.6.2,
             transformers-compat ==0.7.2,
             unix ==2.7.3,
             unordered-containers ==0.2.19.1,
             uuid-types ==1.0.5,
             vector ==0.13.0.0,
             vector-stream ==0.1.0.0,
             witherable ==0.4.2
nix: disable