Build failure of network:osmocom:nightly/osmo-iuh in Debian_10/x86_64

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Package network:osmocom:nightly/osmo-iuh failed to build in Debian_10/x86_64

Check out the package for editing: osc checkout network:osmocom:nightly osmo-iuh

Last lines of build log: /var/cache/obs/worker/root_2/.pkgs/libstdc++6.deb: Input/output error (worker was cloud104:2)