this derivation will be built:
  /nix/store/49sg3lg8nmdgb2n1aix6pb5m81jli7j1-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/49sg3lg8nmdgb2n1aix6pb5m81jli7j1-bcachefs-module-7.0.0-34-generic.drv'...