this derivation will be built:
  /nix/store/l87i7qmq7dr05rjh88y025qds86fx4j0-bcachefs-module-7.0.0-26-generic.drv
building '/nix/store/l87i7qmq7dr05rjh88y025qds86fx4j0-bcachefs-module-7.0.0-26-generic.drv'...