these 5 derivations will be built:
  /nix/store/8488y7d0yvlxzpg02v3pccf8zdhmfxrf-isolinux.cfg.drv
  /nix/store/xv2c4rqnp2nf6b1l49866j5l9zqnzhxy-efi-directory.drv
  /nix/store/gl0gsvn0q9ijiajzij0r3slaag0j55hf-efi-image_eltorito.drv
  /nix/store/ymf3kgf96svndmcddi36mk0z1qqa58ky-closure-info.drv
  /nix/store/j8qq47mj2ipg4p10k3w06w22hxyyww4i-spaces-os.iso.drv
error: Cannot build '/nix/store/j8qq47mj2ipg4p10k3w06w22hxyyww4i-spaces-os.iso.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/7mqjkhiii9si67k97ijvcwflkh5zikhr-spaces-os.iso
       Last 25 log lines:
       > xorriso : UPDATE :     194 files added in 1 seconds
       > xorriso : NOTE : Copying to System Area: 432 bytes from file '/nix/store/02ggy47qb66jdq894c5b9in1r5f4y0wr-syslinux-unstable-2019-02-07/share/syslinux/isohdpfx.bin'
       > libisofs: NOTE : Automatically adjusted MBR geometry to 1133/255/63
       > libisofs: WARNING : Image size exceeds 1024 cylinders. Cannot align partition.
       > libisofs: WARNING : There are said to be BIOSes which will not boot this via MBR.
       > xorriso : UPDATE :  0.57% done
       > xorriso : UPDATE :  10.13% done
       > xorriso : UPDATE :  16.94% done, estimate finish Thu Aug 13 21:35:27 2026
       > xorriso : UPDATE :  24.20% done, estimate finish Thu Aug 13 21:35:26 2026
       > xorriso : UPDATE :  31.00% done, estimate finish Thu Aug 13 21:35:27 2026
       > xorriso : UPDATE :  37.88% done, estimate finish Thu Aug 13 21:35:27 2026
       > xorriso : UPDATE :  44.78% done, estimate finish Thu Aug 13 21:35:27 2026
       > xorriso : UPDATE :  51.93% done, estimate finish Thu Aug 13 21:35:26 2026
       > xorriso : UPDATE :  58.99% done, estimate finish Thu Aug 13 21:35:26 2026
       > xorriso : UPDATE :  65.74% done, estimate finish Thu Aug 13 21:35:26 2026
       > xorriso : UPDATE :  72.56% done, estimate finish Thu Aug 13 21:35:26 2026
       > xorriso : UPDATE :  79.48% done, estimate finish Thu Aug 13 21:35:26 2026
       > xorriso : UPDATE :  86.64% done
       > xorriso : UPDATE :  93.51% done
       > ISO image produced: 4548177 sectors
       > Written to medium : 4548177 sectors at LBA 0
       > Writing to 'stdio:/nix/store/7mqjkhiii9si67k97ijvcwflkh5zikhr-spaces-os.iso/iso/spaces-os.iso' completed successfully.
       >
       > tribuchet: hub connection lost (hub closed event stream without a result); reconnecting
       > tribuchet: build event stream: code: 'Some resource has been exhausted', message: "build output exceeded the replay buffer; retry after it finishes"
       For full logs, run:
         nix log /nix/store/j8qq47mj2ipg4p10k3w06w22hxyyww4i-spaces-os.iso.drv