structuredAttrs is enabled Parallel mksquashfs: Using 48 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 1442735.82 Kbytes (1408.92 Mbytes) 55.60% of uncompressed filesystem size (2595080.62 Kbytes) Inode table size 1309611 bytes (1278.92 Kbytes) 19.33% of uncompressed inode table size (6776529 bytes) Directory table size 1533036 bytes (1497.11 Kbytes) 35.24% of uncompressed directory table size (4349703 bytes) Number of duplicate files found 4574 Number of inodes 172888 Number of files 100992 Number of fragments 1404 Number of symbolic links 22167 Number of device nodes 0 Number of fifo nodes 0 Number of socket nodes 0 Number of directories 49729 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/qlphrncqpr0wn4bycilwa8r7p5yd6dfz-nixos-minimal-26.11pre-git-x86_64-linux.iso/iso/nixos-minimal-26.11pre-git-x86_64-linux.iso' Media current: stdio file, overwriteable Media status : is blank Media summary: 0 sessions, 0 data blocks, 0 data, 1691g 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 1018/92/32 libisofs: NOTE : Aligned image size to cylinder size by 169 blocks xorriso : UPDATE : 7.58% done xorriso : UPDATE : 95.93% done ISO image produced: 749248 sectors Written to medium : 749248 sectors at LBA 0 Writing to 'stdio:/nix/store/qlphrncqpr0wn4bycilwa8r7p5yd6dfz-nixos-minimal-26.11pre-git-x86_64-linux.iso/iso/nixos-minimal-26.11pre-git-x86_64-linux.iso' completed successfully.