structuredAttrs is enabled Parallel mksquashfs: Using 32 processors Creating 4.0 filesystem on nix-store.squashfs, block size 1048576. Exportable Squashfs 4.0 filesystem, gzip compressed, data block size 1048576 compressed data, compressed metadata, compressed fragments, compressed xattrs, compressed ids duplicates are removed Filesystem size 1576812.39 Kbytes (1539.86 Mbytes) 62.17% of uncompressed filesystem size (2536279.63 Kbytes) Inode table size 1650033 bytes (1611.36 Kbytes) 24.38% of uncompressed inode table size (6767755 bytes) Directory table size 1761147 bytes (1719.87 Kbytes) 40.56% of uncompressed directory table size (4341616 bytes) Number of duplicate files found 4338 Number of inodes 172505 Number of files 100778 Number of fragments 1397 Number of symbolic links 22045 Number of device nodes 0 Number of fifo nodes 0 Number of socket nodes 0 Number of directories 49682 Number of hard-links 0 Number of ids (unique uids + gids) 1 Number of uids 1 root (0) Number of gids 1 root (0) xorriso 1.5.8.pl02 : RockRidge filesystem manipulator, libburnia project. xorriso : NOTE : Environment variable SOURCE_DATE_EPOCH encountered with value 315532800 Drive current: -outdev 'stdio:/nix/store/9gkwl1vkwbk9nf2iz0dx9vwcljzhsiy2-nixos-minimal-26.11.20261103.1d06008-x86_64-linux.iso/iso/nixos-minimal-26.11.20261103.1d06008-x86_64-linux.iso' Media current: stdio file, overwriteable Media status : is blank Media summary: 0 sessions, 0 data blocks, 0 data, 149g free xorriso : WARNING : -volid text does not comply to ISO 9660 / ECMA 119 rules xorriso : UPDATE : 194 files added in 1 seconds Added 12 items from file 'pathlist' xorriso : UPDATE : 194 files added in 1 seconds xorriso : NOTE : Copying to System Area: 432 bytes from file '/nix/store/jz1gx10jnh92pxa58ggksf18wdxbivnd-syslinux-6.04-pre2-unstable-2019-02-07/share/syslinux/isohdpfx.bin' libisofs: NOTE : Automatically adjusted MBR geometry to 1021/100/32 libisofs: NOTE : Aligned image size to cylinder size by 676 blocks xorriso : UPDATE : 5.60% done xorriso : UPDATE : 59.56% done ISO image produced: 816800 sectors Written to medium : 816800 sectors at LBA 0 Writing to 'stdio:/nix/store/9gkwl1vkwbk9nf2iz0dx9vwcljzhsiy2-nixos-minimal-26.11.20261103.1d06008-x86_64-linux.iso/iso/nixos-minimal-26.11.20261103.1d06008-x86_64-linux.iso' completed successfully.