"umount: no mount point specified." when initial build fails
gwyn ~/autobuilder # ./autobuilder
* Checking for build-time dependencies...
* Checking that the selected mode is valid...
* Checking for a compatible host platform...
* Checking that we are running with privileges...
* Checking for possible risky configurations...
* Building a list of compatible architectures...
* Building libcap2-2.62...
* Building bubblewrap-798ced8a65c4e4d94ad8610d2d67376410eb6b54...
* Preparing rootfs: ppc...
* Updating rootfs environment(s)...
* Installing tools and ensuring unprivileged user exists...
* Generating signing key pair if one is not present...
* Copying public half of signing key to '/etc/apk/keys'...
* Setting up signing key...
* Setting up 'abuild.conf' with any customizations...
* Setting up 'ccache' configuration...
* Adding packages directory to '/etc/apk/repositories'...
* Cloning package repository and building a test package...
* Cleaning up any leftover mounts, if present...
umount: /.autobuilder/ppc/rootfs/dev/pts: no mount point specified.