This is an issue on ARM with Docker images based on Alpine 3.13 whether you build or pull the image. Numerous images have been cropping up with issues since the base image was updated to 3.13.
Try the below fix that @Krawi mentioned in the main Storj-Exporter thread, i.e. download a backported updated version of the libseccomp2 package. Also see the LinuxServer.io FAQ which has some more details on this issue. It impacts any 32-bit ARM distro based on Debian Buster.