this derivation will be built:
  /nix/store/irv9m2baby19bphr667630mpalz302gn-bcachefs-module-7.0.0-34-generic-64k.drv
building '/nix/store/irv9m2baby19bphr667630mpalz302gn-bcachefs-module-7.0.0-34-generic-64k.drv'...