buildah can't build image in rootless environment when specifying userns-uid-map/userns-gid-map and get error "there might not be enough IDs available in the namespace"
Issue
- Failed to build container image in rootless environment with specifying userns-uid-map/userns-gid-map
- buildah outputs "there might not be enough IDs available in the namespace" even though specifying these options with its own user/group ID range
Environment
- Red Hat Enterprise Linux 8
- buildah-1.19.7-1.module+el8.4.0+10607+f4da7515 or later
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