structuredAttrs is enabled Parallel mksquashfs: Using 32 processors Creating 4.0 filesystem on nix-store.squashfs, block size 1048576. Exportable Squashfs 4.0 filesystem, zstd compressed, data block size 1048576 compressed data, compressed metadata, compressed fragments, compressed xattrs, compressed ids duplicates are removed Filesystem size 568480.47 Kbytes (555.16 Mbytes) 33.34% of uncompressed filesystem size (1705332.77 Kbytes) Inode table size 1238630 bytes (1209.60 Kbytes) 19.76% of uncompressed inode table size (6267330 bytes) Directory table size 1486100 bytes (1451.27 Kbytes) 34.90% of uncompressed directory table size (4257829 bytes) Number of duplicate files found 4013 Number of inodes 164645 Number of files 99808 Number of fragments 990 Number of symbolic links 17015 Number of device nodes 0 Number of fifo nodes 0 Number of socket nodes 0 Number of directories 47822 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/qn5lgns3i2vbpx28idxdpa44x06fwbvk-nixos-minimal-26.11.20260804.e72e4f2-x86_64-linux.iso/iso/nixos-minimal-26.11.20260804.e72e4f2-x86_64-linux.iso' Media current: stdio file, overwriteable Media status : is blank Media summary: 0 sessions, 0 data blocks, 0 data, 954g 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/02ggy47qb66jdq894c5b9in1r5f4y0wr-syslinux-unstable-2019-02-07/share/syslinux/isohdpfx.bin' libisofs: NOTE : Aligned image size to cylinder size by 491 blocks xorriso : UPDATE : 2.01% done xorriso : UPDATE : 50.55% done ISO image produced: 312832 sectors Written to medium : 312832 sectors at LBA 0 Writing to 'stdio:/nix/store/qn5lgns3i2vbpx28idxdpa44x06fwbvk-nixos-minimal-26.11.20260804.e72e4f2-x86_64-linux.iso/iso/nixos-minimal-26.11.20260804.e72e4f2-x86_64-linux.iso' completed successfully.