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 9014619.42 Kbytes (8803.34 Mbytes)
	44.74% of uncompressed filesystem size (20148040.12 Kbytes)
Inode table size 5885274 bytes (5747.34 Kbytes)
	22.24% of uncompressed inode table size (26467831 bytes)
Directory table size 6730875 bytes (6573.12 Kbytes)
	35.49% of uncompressed directory table size (18963854 bytes)
Number of duplicate files found 104906
Number of inodes 677598
Number of files 444354
Number of fragments 5492
Number of symbolic links 86949
Number of device nodes 0
Number of fifo nodes 0
Number of socket nodes 0
Number of directories 146295
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/mwfxy1k66wq2wq0n9qpzaaprf93qdsfb-spaces-os.iso/iso/spaces-os.iso'
Media current: stdio file, overwriteable
Media status : is blank
Media summary: 0 sessions, 0 data blocks, 0 data, 1235g free
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 : Automatically adjusted MBR geometry to 1131/255/63
libisofs: WARNING : Image size exceeds 1024 cylinders. Cannot align partition.
libisofs: WARNING : There are said to be BIOSes which will not boot this via MBR.
xorriso : UPDATE :  0.44% done
xorriso : UPDATE :  5.80% done
xorriso : UPDATE :  10.33% done, estimate finish Thu Aug 06 10:47:05 2026
xorriso : UPDATE :  15.11% done, estimate finish Thu Aug 06 10:47:05 2026
xorriso : UPDATE :  20.00% done, estimate finish Thu Aug 06 10:47:05 2026
xorriso : UPDATE :  24.65% done, estimate finish Thu Aug 06 10:47:05 2026
xorriso : UPDATE :  29.60% done, estimate finish Thu Aug 06 10:47:05 2026
xorriso : UPDATE :  33.94% done, estimate finish Thu Aug 06 10:47:05 2026
xorriso : UPDATE :  38.87% done, estimate finish Thu Aug 06 10:47:05 2026
xorriso : UPDATE :  43.11% done, estimate finish Thu Aug 06 10:47:05 2026
xorriso : UPDATE :  47.97% done, estimate finish Thu Aug 06 10:47:05 2026
xorriso : UPDATE :  52.26% done, estimate finish Thu Aug 06 10:47:06 2026
xorriso : UPDATE :  56.69% done, estimate finish Thu Aug 06 10:47:06 2026
xorriso : UPDATE :  61.36% done, estimate finish Thu Aug 06 10:47:05 2026
xorriso : UPDATE :  66.08% done, estimate finish Thu Aug 06 10:47:05 2026
xorriso : UPDATE :  70.54% done, estimate finish Thu Aug 06 10:47:05 2026
xorriso : UPDATE :  75.85% done, estimate finish Thu Aug 06 10:47:05 2026
xorriso : UPDATE :  80.60% done, estimate finish Thu Aug 06 10:47:05 2026
xorriso : UPDATE :  85.46% done, estimate finish Thu Aug 06 10:47:05 2026
xorriso : UPDATE :  90.16% done, estimate finish Thu Aug 06 10:47:05 2026
xorriso : UPDATE :  94.86% done
xorriso : UPDATE :  99.34% done
ISO image produced: 4539083 sectors
Written to medium : 4539083 sectors at LBA 0
Writing to 'stdio:/nix/store/mwfxy1k66wq2wq0n9qpzaaprf93qdsfb-spaces-os.iso/iso/spaces-os.iso' completed successfully.