this derivation will be built:
  /nix/store/v7d4fksxclcwp09mlldcr4fzyis9cndj-nixos-minimal-26.11.20261027.31ecbac-x86_64-linux.iso.drv
building '/nix/store/v7d4fksxclcwp09mlldcr4fzyis9cndj-nixos-minimal-26.11.20261027.31ecbac-x86_64-linux.iso.drv' on 'ssh-ng://nix-remote-builder@rofl-14.brkn.lol'
building '/nix/store/v7d4fksxclcwp09mlldcr4fzyis9cndj-nixos-minimal-26.11.20261027.31ecbac-x86_64-linux.iso.drv'
nixos-minimal-26.11.20261027.31ecbac-x86_64-linux.iso> structuredAttrs is enabled
nixos-minimal-26.11.20261027.31ecbac-x86_64-linux.iso> Parallel mksquashfs: Using 32 processors
nixos-minimal-26.11.20261027.31ecbac-x86_64-linux.iso> Creating 4.0 filesystem on nix-store.squashfs, block size 1048576.
nixos-minimal-26.11.20261027.31ecbac-x86_64-linux.iso> 
nixos-minimal-26.11.20261027.31ecbac-x86_64-linux.iso> 
nixos-minimal-26.11.20261027.31ecbac-x86_64-linux.iso> Exportable Squashfs 4.0 filesystem, gzip compressed, data block size 1048576
nixos-minimal-26.11.20261027.31ecbac-x86_64-linux.iso> 	compressed data, compressed metadata, compressed fragments,
nixos-minimal-26.11.20261027.31ecbac-x86_64-linux.iso> 	compressed xattrs, compressed ids
nixos-minimal-26.11.20261027.31ecbac-x86_64-linux.iso> 	duplicates are removed
nixos-minimal-26.11.20261027.31ecbac-x86_64-linux.iso> Filesystem size 1574457.52 Kbytes (1537.56 Mbytes)
nixos-minimal-26.11.20261027.31ecbac-x86_64-linux.iso> 	62.21% of uncompressed filesystem size (2531011.89 Kbytes)
nixos-minimal-26.11.20261027.31ecbac-x86_64-linux.iso> Inode table size 1647238 bytes (1608.63 Kbytes)
nixos-minimal-26.11.20261027.31ecbac-x86_64-linux.iso> 	24.36% of uncompressed inode table size (6761317 bytes)
nixos-minimal-26.11.20261027.31ecbac-x86_64-linux.iso> Directory table size 1760439 bytes (1719.18 Kbytes)
nixos-minimal-26.11.20261027.31ecbac-x86_64-linux.iso> 	40.59% of uncompressed directory table size (4337374 bytes)
nixos-minimal-26.11.20261027.31ecbac-x86_64-linux.iso> Number of duplicate files found 4346
nixos-minimal-26.11.20261027.31ecbac-x86_64-linux.iso> Number of inodes 172309
nixos-minimal-26.11.20261027.31ecbac-x86_64-linux.iso> Number of files 100645
nixos-minimal-26.11.20261027.31ecbac-x86_64-linux.iso> Number of fragments 1399
nixos-minimal-26.11.20261027.31ecbac-x86_64-linux.iso> Number of symbolic links 22042
nixos-minimal-26.11.20261027.31ecbac-x86_64-linux.iso> Number of device nodes 0
nixos-minimal-26.11.20261027.31ecbac-x86_64-linux.iso> Number of fifo nodes 0
nixos-minimal-26.11.20261027.31ecbac-x86_64-linux.iso> Number of socket nodes 0
nixos-minimal-26.11.20261027.31ecbac-x86_64-linux.iso> Number of directories 49622
nixos-minimal-26.11.20261027.31ecbac-x86_64-linux.iso> Number of hard-links 0
nixos-minimal-26.11.20261027.31ecbac-x86_64-linux.iso> Number of ids (unique uids + gids) 1
nixos-minimal-26.11.20261027.31ecbac-x86_64-linux.iso> Number of uids 1
nixos-minimal-26.11.20261027.31ecbac-x86_64-linux.iso> 	root (0)
nixos-minimal-26.11.20261027.31ecbac-x86_64-linux.iso> Number of gids 1
nixos-minimal-26.11.20261027.31ecbac-x86_64-linux.iso> 	root (0)
nixos-minimal-26.11.20261027.31ecbac-x86_64-linux.iso> xorriso 1.5.8.pl02 : RockRidge filesystem manipulator, libburnia project.
nixos-minimal-26.11.20261027.31ecbac-x86_64-linux.iso> 
nixos-minimal-26.11.20261027.31ecbac-x86_64-linux.iso> xorriso : NOTE : Environment variable SOURCE_DATE_EPOCH encountered with value 315532800
nixos-minimal-26.11.20261027.31ecbac-x86_64-linux.iso> Drive current: -outdev 'stdio:/nix/store/2drldc9h5drlkr3173bnigd5jzk89gmz-nixos-minimal-26.11.20261027.31ecbac-x86_64-linux.iso/iso/nixos-minimal-26.11.20261027.31ecbac-x86_64-linux.iso'
nixos-minimal-26.11.20261027.31ecbac-x86_64-linux.iso> Media current: stdio file, overwriteable
nixos-minimal-26.11.20261027.31ecbac-x86_64-linux.iso> Media status : is blank
nixos-minimal-26.11.20261027.31ecbac-x86_64-linux.iso> Media summary: 0 sessions, 0 data blocks, 0 data,  190g free
nixos-minimal-26.11.20261027.31ecbac-x86_64-linux.iso> xorriso : WARNING : -volid text does not comply to ISO 9660 / ECMA 119 rules
nixos-minimal-26.11.20261027.31ecbac-x86_64-linux.iso> xorriso : UPDATE :     186 files added in 1 seconds
nixos-minimal-26.11.20261027.31ecbac-x86_64-linux.iso> Added 9 items from file 'pathlist'
nixos-minimal-26.11.20261027.31ecbac-x86_64-linux.iso> xorriso : UPDATE :     186 files added in 1 seconds
nixos-minimal-26.11.20261027.31ecbac-x86_64-linux.iso> xorriso : UPDATE :  4.51% done
nixos-minimal-26.11.20261027.31ecbac-x86_64-linux.iso> xorriso : UPDATE :  29.51% done
nixos-minimal-26.11.20261027.31ecbac-x86_64-linux.iso> xorriso : UPDATE :  68.99% done
nixos-minimal-26.11.20261027.31ecbac-x86_64-linux.iso> ISO image produced: 811554 sectors
nixos-minimal-26.11.20261027.31ecbac-x86_64-linux.iso> Written to medium : 811554 sectors at LBA 0
nixos-minimal-26.11.20261027.31ecbac-x86_64-linux.iso> Writing to 'stdio:/nix/store/2drldc9h5drlkr3173bnigd5jzk89gmz-nixos-minimal-26.11.20261027.31ecbac-x86_64-linux.iso/iso/nixos-minimal-26.11.20261027.31ecbac-x86_64-linux.iso' completed successfully.
nixos-minimal-26.11.20261027.31ecbac-x86_64-linux.iso> 

upload niks3: ok

post-build step niks3 pin: ok