Build Failure on ports-10.13_x86_64: ocaml-custom-printf, ocaml-ounit, ocaml-type-conv

[buildbot at macports.org]

Status:       Failure
Build slave:  ports-10.13_x86_64
Full logs:    https://build.macports.org/builders/ports-10.13_x86_64-watcher/builds/3324
Build reason: The SingleBranchScheduler scheduler named 'ports' triggered this build
Port list:    ocaml-custom-printf
Subport list:
	- ocaml-custom-printf
Variants:     None
Revision:     7c96b0323475d4425501ebdd860895314cf3985e
Build time:   0:01:01
Author:       Ken <21211439+kencu at users.noreply.github.com>

Log from failed builds:
	Building 'ocaml-custom-printf' ... [ERROR] (failed to install dependency 'ocaml-ounit')
	> maintainers: .
	Building 'ocaml-custom-printf' ... [ERROR] (failed to install dependency 'ocaml-type-conv')
	> maintainers: .

Broken ports:
	- ocaml-custom-printf
	- ocaml-ounit
	- ocaml-type-conv

Links to individual build jobs:
- ports-10.13_x86_64-builder #18763
  https://build.macports.org/builders/ports-10.13_x86_64-builder/builds/18763

-- 
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MacPorts Buildbot
https://build.macports.org/