this derivation will be built:
  /nix/store/42rx3s0l19v0bl1mbv819kx78zssrliy-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/42rx3s0l19v0bl1mbv819kx78zssrliy-bcachefs-module-7.0.0-39-generic.drv'...