Build Log: ocaml-variants.5.3.0~alpha1+options

Can't find all required versions. Selected: ocaml-base-compiler.5.4.0 ocaml-config.3 ocaml-options-vanilla.1 ocaml&ocaml-variants ocaml-variants ocaml-base-compiler ocaml-base-compiler - ocaml -> ocaml.5.3.0 User requested = 5.3.0 - ocaml-compiler -> (problem) ocaml-base-compiler 5.4.0 requires = 5.4.0 Rejected candidates: ocaml-compiler.5.5: Incompatible with restriction: = 5.4.0 ocaml-compiler.5.4.0: Requires ocaml = 5.4.0 ocaml-compiler.5.4.0~rc1: Incompatible with restriction: = 5.4.0 ocaml-compiler.5.4.0~beta2: Incompatible with restriction: = 5.4.0 ocaml-compiler.5.4.0~beta1: Incompatible with restriction: = 5.4.0 ... - ocaml-variants -> (problem) User requested = 5.3.0~alpha1+options No usable implementations: ocaml-variants.5.5.0+trunk: Rejected by user-specified constraint ocaml-variants (= 5.3.0~alpha1+options) ocaml-variants.5.4.1+trunk: Rejected by user-specified constraint ocaml-variants (= 5.3.0~alpha1+options) ocaml-variants.5.4.0+options: Rejected by user-specified constraint ocaml-variants (= 5.3.0~alpha1+options) ocaml-variants.5.4.0~rc1+options: Rejected by user-specified constraint ocaml-variants (= 5.3.0~alpha1+options) ocaml-variants.5.4.0~beta2+options: Rejected by user-specified constraint ocaml-variants (= 5.3.0~alpha1+options) ...