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 1576414.69 Kbytes (1539.47 Mbytes) 62.17% of uncompressed filesystem size (2535573.23 Kbytes) Inode table size 1650593 bytes (1611.91 Kbytes) 24.37% of uncompressed inode table size (6773102 bytes) Directory table size 1762923 bytes (1721.60 Kbytes) 40.55% of uncompressed directory table size (4347019 bytes) Number of duplicate files found 4337 Number of inodes 172715 Number of files 100911 Number of fragments 1401 Number of symbolic links 22027 Number of device nodes 0 Number of fifo nodes 0 Number of socket nodes 0 Number of directories 49777 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/klj41x8zd7m3hdidjrm1hx7xmzfmi9kw-nixos-minimal-26.11.20261110.52b3705-x86_64-linux.iso/iso/nixos-minimal-26.11.20261110.52b3705-x86_64-linux.iso' Media current: stdio file, overwriteable Media status : is blank Media summary: 0 sessions, 0 data blocks, 0 data, 192g 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/4pb45hdfw9ds6y76gkqs9pnb475gll80-syslinux-6.04-pre2-unstable-2019-02-07/share/syslinux/isohdpfx.bin' libisofs: NOTE : Automatically adjusted MBR geometry to 1020/100/32 libisofs: NOTE : Aligned image size to cylinder size by 106 blocks xorriso : UPDATE : 3.32% done xorriso : UPDATE : 48.71% done xorriso : UPDATE : 83.56% done ISO image produced: 816000 sectors Written to medium : 816000 sectors at LBA 0 Writing to 'stdio:/nix/store/klj41x8zd7m3hdidjrm1hx7xmzfmi9kw-nixos-minimal-26.11.20261110.52b3705-x86_64-linux.iso/iso/nixos-minimal-26.11.20261110.52b3705-x86_64-linux.iso' completed successfully.