this derivation will be built:
  /nix/store/iyibp8rccg23vj22i9b0750d23q3x6sl-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/iyibp8rccg23vj22i9b0750d23q3x6sl-bcachefs-module-7.0.0-31-generic.drv'...