this derivation will be built:
  /nix/store/a2mrwrpva428lpxqvkghzazyfx5676id-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/a2mrwrpva428lpxqvkghzazyfx5676id-bcachefs-module-7.0.0-39-generic.drv'...