Failed to install on openSUSE Tumbleweed

Running make or dune build, getting this error:

      ocamlc src/.easy_format.objs/byte/easy_format.{cmo,cmt} (exit 2)
(cd _build/default && /usr/bin/ocamlc.opt -w @a-4-29-40-41-42-44-45-48-58-59-60-40 -strict-sequence -strict-formats -short-paths -keep-locs -g -bin-annot -I src/.easy_format.objs/byte -intf-suffix .ml -no-alias-deps -opaque -o src/.easy_format.objs/byte/easy_format.cmo -c -impl src/easy_format.ml)
File "src/easy_format.ml", line 6, characters 2-30:
Warning 50: ambiguous documentation comment
File "src/easy_format.ml", line 152, characters 22-55:
Warning 9: the following labels are not bound in this record pattern:
space_after_opening, space_after_separator, space_before_separator, separators_stick_left, space_before_closing, stick_to_label, align_closing, indent_body, list_style, opening_style, body_style, separator_style, closing_style
Either bind these labels explicitly or add '; _' to the pattern.
File "src/easy_format.ml", line 153, characters 17-46:
Warning 9: the following labels are not bound in this record pattern:
space_after_label, indent_after_label, label_style
Either bind these labels explicitly or add '; _' to the pattern.
File "src/easy_format.ml", line 164, characters 22-55:
Warning 9: the following labels are not bound in this record pattern:
space_after_opening, space_after_separator, space_before_separator, separators_stick_left, space_before_closing, stick_to_label, align_closing, indent_body, list_style, opening_style, body_style, separator_style, closing_style
Either bind these labels explicitly or add '; _' to the pattern.
File "src/easy_format.ml", line 165, characters 22-51:
Warning 9: the following labels are not bound in this record pattern:
space_after_opening, space_after_separator, space_before_separator, separators_stick_left, space_before_closing, stick_to_label, align_closing, indent_body, list_style, opening_style, body_style, separator_style, closing_style
Either bind these labels explicitly or add '; _' to the pattern.
File "src/easy_format.ml", line 167, characters 27-167:
Warning 9: the following labels are not bound in this record pattern:
space_after_opening, space_after_separator, space_before_separator, separators_stick_left, space_before_closing, stick_to_label, align_closing, indent_body, list_style, opening_style, body_style, separator_style, closing_style
Either bind these labels explicitly or add '; _' to the pattern.
File "src/easy_format.ml", line 177, characters 18-41:
Warning 9: the following labels are not bound in this record pattern:
space_after_label, indent_after_label, label_style
Either bind these labels explicitly or add '; _' to the pattern.
File "src/easy_format.ml", line 184, characters 22-48:
Warning 9: the following labels are not bound in this record pattern:
space_after_opening, space_after_separator, space_before_separator, separators_stick_left, space_before_closing, stick_to_label, align_closing, indent_body, list_style, opening_style, body_style, separator_style, closing_style
Either bind these labels explicitly or add '; _' to the pattern.
File "src/easy_format.ml", line 185, characters 17-67:
Warning 9: the following labels are not bound in this record pattern:
space_after_label, indent_after_label, label_style
Either bind these labels explicitly or add '; _' to the pattern.
File "src/easy_format.ml", line 7, characters 6-9:
Warning 32: unused value map.
File "src/easy_format.ml", line 18, characters 6-11:
Warning 32: unused value split.
File "src/easy_format.ml", line 189, characters 13-26:
Warning 27: unused variable forced_breaks.
File "src/easy_format.ml", line 313, characters 12-15:
Warning 27: unused variable fmt.
File "src/easy_format.ml", line 314, characters 12-15:
Warning 27: unused variable fmt.
File "src/easy_format.ml", line 404, characters 34-37:
Warning 27: unused variable sep.
File "src/easy_format.ml", line 1:
Error: Some fatal warnings were triggered (15 occurrences)
    ocamlopt src/.easy_format.objs/native/easy_format.{cmx,o} (exit 2)
(cd _build/default && /usr/bin/ocamlopt.opt -w @a-4-29-40-41-42-44-45-48-58-59-60-40 -strict-sequence -strict-formats -short-paths -keep-locs -g -I src/.easy_format.objs/byte -I src/.easy_format.objs/native -intf-suffix .ml -no-alias-deps -opaque -o src/.easy_format.objs/native/easy_format.cmx -c -impl src/easy_format.ml)
File "src/easy_format.ml", line 6, characters 2-30:
Warning 50: ambiguous documentation comment
File "src/easy_format.ml", line 152, characters 22-55:
Warning 9: the following labels are not bound in this record pattern:
space_after_opening, space_after_separator, space_before_separator, separators_stick_left, space_before_closing, stick_to_label, align_closing, indent_body, list_style, opening_style, body_style, separator_style, closing_style
Either bind these labels explicitly or add '; _' to the pattern.
File "src/easy_format.ml", line 153, characters 17-46:
Warning 9: the following labels are not bound in this record pattern:
space_after_label, indent_after_label, label_style
Either bind these labels explicitly or add '; _' to the pattern.
File "src/easy_format.ml", line 164, characters 22-55:
Warning 9: the following labels are not bound in this record pattern:
space_after_opening, space_after_separator, space_before_separator, separators_stick_left, space_before_closing, stick_to_label, align_closing, indent_body, list_style, opening_style, body_style, separator_style, closing_style
Either bind these labels explicitly or add '; _' to the pattern.
File "src/easy_format.ml", line 165, characters 22-51:
Warning 9: the following labels are not bound in this record pattern:
space_after_opening, space_after_separator, space_before_separator, separators_stick_left, space_before_closing, stick_to_label, align_closing, indent_body, list_style, opening_style, body_style, separator_style, closing_style
Either bind these labels explicitly or add '; _' to the pattern.
File "src/easy_format.ml", line 167, characters 27-167:
Warning 9: the following labels are not bound in this record pattern:
space_after_opening, space_after_separator, space_before_separator, separators_stick_left, space_before_closing, stick_to_label, align_closing, indent_body, list_style, opening_style, body_style, separator_style, closing_style
Either bind these labels explicitly or add '; _' to the pattern.
File "src/easy_format.ml", line 177, characters 18-41:
Warning 9: the following labels are not bound in this record pattern:
space_after_label, indent_after_label, label_style
Either bind these labels explicitly or add '; _' to the pattern.
File "src/easy_format.ml", line 184, characters 22-48:
Warning 9: the following labels are not bound in this record pattern:
space_after_opening, space_after_separator, space_before_separator, separators_stick_left, space_before_closing, stick_to_label, align_closing, indent_body, list_style, opening_style, body_style, separator_style, closing_style
Either bind these labels explicitly or add '; _' to the pattern.
File "src/easy_format.ml", line 185, characters 17-67:
Warning 9: the following labels are not bound in this record pattern:
space_after_label, indent_after_label, label_style
Either bind these labels explicitly or add '; _' to the pattern.
File "src/easy_format.ml", line 7, characters 6-9:
Warning 32: unused value map.
File "src/easy_format.ml", line 18, characters 6-11:
Warning 32: unused value split.
File "src/easy_format.ml", line 189, characters 13-26:
Warning 27: unused variable forced_breaks.
File "src/easy_format.ml", line 313, characters 12-15:
Warning 27: unused variable fmt.
File "src/easy_format.ml", line 314, characters 12-15:
Warning 27: unused variable fmt.
File "src/easy_format.ml", line 404, characters 34-37:
Warning 27: unused variable sep.
File "src/easy_format.ml", line 1:
Error: Some fatal warnings were triggered (15 occurrences)

I'm unable to install the package. Please help!