=> "/opt/pkg/bin/bmake" ["-C", "/data/jenkins/workspace/pkgsrc-upstream-trunk/devel/R-callr", "stage-install", "BATCH=1", "DEPENDS_TARGET=/nonexistent"]
===> Installing for R-callr-3.8.0
=> Generating pre-install file lists
=> Creating installation directories
ERROR: dependency 'otel' is not available for package 'callr'
Perhaps try a variation of:
install.packages('otel')
* removing '/home/pbulk/work/devel/R-callr/work/.destdir/opt/pkg/lib/R/library/callr'
*** Error code 1

Stop.
bmake[1]: stopped making "stage-install" in /data/jenkins/workspace/pkgsrc-upstream-trunk/devel/R-callr
*** Error code 1

Stop.
bmake: stopped making "stage-install" in /data/jenkins/workspace/pkgsrc-upstream-trunk/devel/R-callr