this derivation will be built:
  /nix/store/s9f960r03jj7hg0i6xdd8yyq71r0xpvd-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/s9f960r03jj7hg0i6xdd8yyq71r0xpvd-bcachefs-module-7.0.0-29-generic.drv'...