ocp-pack-split 1.0.1

Error log

The package failed to build. The error log from opam follows.

Opam plugin "depext" may require upgrading/reinstalling. Reinstall the plugin on the current switch? [Y/n] y
The following actions will be performed:
  - recompile opam-depext 1.2.1-1

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved opam-depext.1.2.1-1  (cached)
-> removed   opam-depext.1.2.1-1
-> installed opam-depext.1.2.1-1
Done.

<><> opam-depext.1.2.1-1 installed successfully <><><><><><><><><><><><><><><><>
=> opam-depext is unnecessary when used with opam >= 2.1. Please use opam install directly instead
# Run eval $(opam env) to update the current shell environment

<><> Carrying on to "opam depext -viy ocp-pack-split.1.0.1" <><><><><><><><><><>

You are using opam 2.1+, where external dependency handling has been integrated: consider calling opam directly, the 'depext' plugin interface is provided for backwards compatibility only
# Detecting depexts using vars: arch=x86_64, os=linux, os-distribution=debian, os-family=debian
# No extra OS packages requirements found.
The following actions will be performed:
  - install ocp-pack-split 1.0.1

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
Processing  1/3: [ocp-pack-split.1.0.1: http]
Processing  1/3:
-> retrieved ocp-pack-split.1.0.1  (https://github.com/ocaml/opam-source-archives/raw/main/ocp-pack-1.0.1.tar.gz)
Processing  2/3: [ocp-pack-split: make]
+ /usr/bin/make  (CWD=/home/opam/.opam/5.1/.opam-switch/build/ocp-pack-split.1.0.1)
- ocamlopt version.ml pack.ml -o ocp-pack
- File "pack.ml", line 151, characters 20-37:
- 151 |       let modname = String.capitalize basename in
-                           ^^^^^^^^^^^^^^^^^
- Error: Unbound value String.capitalize
- make: *** [Makefile:11: all] Error 2
[ERROR] The compilation of ocp-pack-split.1.0.1 failed at "make".

#=== ERROR while compiling ocp-pack-split.1.0.1 ===============================#
# context              2.1.5 | linux/x86_64 | ocaml-base-compiler.5.1.1 | file:///src
# path                 ~/.opam/5.1/.opam-switch/build/ocp-pack-split.1.0.1
# command              /usr/bin/make
# exit-code            2
# env-file             ~/.opam/log/ocp-pack-split-113-627fbb.env
# output-file          ~/.opam/log/ocp-pack-split-113-627fbb.out
### output ###
# ocamlopt version.ml pack.ml -o ocp-pack
# File "pack.ml", line 151, characters 20-37:
# 151 |       let modname = String.capitalize basename in
#                           ^^^^^^^^^^^^^^^^^
# Error: Unbound value String.capitalize
# make: *** [Makefile:11: all] Error 2



<><> Error report <><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+- The following actions failed
| - build ocp-pack-split 1.0.1
+- 
- No changes have been performed
# Run eval $(opam env) to update the current shell environment
'opam --cli=2.1 install ocp-pack-split.1.0.1 --verbose --yes --confirm-level=unsafe-yes' failed.