$ singularity exec -C --writable-tmpfs oras://gcr.hrz.tu-chemnitz.de/dcgc-bfx/singularity/singularity-single-cell:v1.0.0 R --quiet -e "library(Cairo)"
INFO: Using cached SIF image
> library(Cairo)
Error: package or namespace load failed for ‘Cairo’:
.onLoad failed in loadNamespace() for 'Cairo', details:
call: dyn.load(file, DLLpath = DLLpath, ...)
error: unable to load shared object '/opt/conda/lib/R/library/Cairo/libs/Cairo.so':
libicuuc.so.70: cannot open shared object file: No such file or directory
Execution halted