this derivation will be built:
  /nix/store/1m68m9vcik46mfzhyflxxkq1b4wb6vpn-bcachefs-module-7.0.0-26-generic.drv
building '/nix/store/1m68m9vcik46mfzhyflxxkq1b4wb6vpn-bcachefs-module-7.0.0-26-generic.drv'...