this derivation will be built:
  /nix/store/sa87xrwz69fd4zp0bmflagg75z6x7shs-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/sa87xrwz69fd4zp0bmflagg75z6x7shs-bcachefs-module-7.0.0-29-generic.drv'...