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 1574504.10 Kbytes (1537.60 Mbytes) 62.20% of uncompressed filesystem size (2531254.04 Kbytes) Inode table size 1649144 bytes (1610.49 Kbytes) 24.38% of uncompressed inode table size (6765143 bytes) Directory table size 1761183 bytes (1719.91 Kbytes) 40.58% of uncompressed directory table size (4339823 bytes) Number of duplicate files found 4347 Number of inodes 172427 Number of files 100733 Number of fragments 1401 Number of symbolic links 22042 Number of device nodes 0 Number of fifo nodes 0 Number of socket nodes 0 Number of directories 49652 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/6s87fyj6ngshv76lz4022imdmyy89fc1-nixos-minimal-26.11.20261030.1c89083-x86_64-linux.iso/iso/nixos-minimal-26.11.20261030.1c89083-x86_64-linux.iso' Media current: stdio file, overwriteable Media status : is blank Media summary: 0 sessions, 0 data blocks, 0 data, 185g 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 1019/100/32 libisofs: NOTE : Aligned image size to cylinder size by 237 blocks xorriso : UPDATE : 1.09% done xorriso : UPDATE : 46.68% done xorriso : UPDATE : 86.89% done ISO image produced: 815200 sectors Written to medium : 815200 sectors at LBA 0 Writing to 'stdio:/nix/store/6s87fyj6ngshv76lz4022imdmyy89fc1-nixos-minimal-26.11.20261030.1c89083-x86_64-linux.iso/iso/nixos-minimal-26.11.20261030.1c89083-x86_64-linux.iso' completed successfully.