this derivation will be built:
  /nix/store/l2y0dzkvgay2gzqmbdggx4chw81fm39a-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/l2y0dzkvgay2gzqmbdggx4chw81fm39a-bcachefs-module-7.0.0-39-generic.drv'...