this derivation will be built:
  /nix/store/c70gj43qnfh0jx410hqdh462qqxrmgw4-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/c70gj43qnfh0jx410hqdh462qqxrmgw4-bcachefs-module-7.0.0-39-generic.drv'...