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 1560713.95 Kbytes (1524.13 Mbytes) 62.91% of uncompressed filesystem size (2480874.81 Kbytes) Inode table size 1634193 bytes (1595.89 Kbytes) 24.31% of uncompressed inode table size (6722736 bytes) Directory table size 1746122 bytes (1705.20 Kbytes) 40.57% of uncompressed directory table size (4304341 bytes) Number of duplicate files found 3625 Number of inodes 171238 Number of files 99834 Number of fragments 1381 Number of symbolic links 21873 Number of device nodes 0 Number of fifo nodes 0 Number of socket nodes 0 Number of directories 49531 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/nri3k59401m2lpfc2msrdhhclfd5n74k-nixos-minimal-26.11.20261109.177d054-x86_64-linux.iso/iso/nixos-minimal-26.11.20261109.177d054-x86_64-linux.iso' Media current: stdio file, overwriteable Media status : is blank Media summary: 0 sessions, 0 data blocks, 0 data, 142g free xorriso : WARNING : -volid text does not comply to ISO 9660 / ECMA 119 rules xorriso : UPDATE : 186 files added in 1 seconds Added 9 items from file 'pathlist' xorriso : UPDATE : 186 files added in 1 seconds xorriso : UPDATE : 1.44% done xorriso : UPDATE : 57.55% done xorriso : UPDATE : 88.43% done ISO image produced: 804636 sectors Written to medium : 804636 sectors at LBA 0 Writing to 'stdio:/nix/store/nri3k59401m2lpfc2msrdhhclfd5n74k-nixos-minimal-26.11.20261109.177d054-x86_64-linux.iso/iso/nixos-minimal-26.11.20261109.177d054-x86_64-linux.iso' completed successfully.