these 3 derivations will be built:
  /nix/store/lr445fpwbn0c2fmwhrwd12sydzal65fr-closure-info.drv
  /nix/store/rr521hwjra85hqc7d1r5chxfqnsv9w69-manifest-tcpdump.yaml.drv
  /nix/store/q39gd6w06kap2d5p1i0jj5pakg8zz5r5-talos-extension-tcpdump.sqsh.drv
this path will be fetched (433.0 KiB download, 2.6 MiB unpacked):
  /nix/store/ls1l6v6mbsxdd423k6smy9g1djh55f6g-tcpdump-4.99.6
copying path '/nix/store/ls1l6v6mbsxdd423k6smy9g1djh55f6g-tcpdump-4.99.6' from 'https://cache.nixos.org'...
building '/nix/store/rr521hwjra85hqc7d1r5chxfqnsv9w69-manifest-tcpdump.yaml.drv'...
building '/nix/store/lr445fpwbn0c2fmwhrwd12sydzal65fr-closure-info.drv'...
structuredAttrs is enabled
building '/nix/store/q39gd6w06kap2d5p1i0jj5pakg8zz5r5-talos-extension-tcpdump.sqsh.drv'...
Parallel mksquashfs: Using 12 processors
Creating 4.0 filesystem on /nix/store/1did0a1r5z72p41l557fxkh09gd2514z-talos-extension-tcpdump.sqsh, block size 131072.

Exportable Squashfs 4.0 filesystem, xz compressed, data block size 131072
        compressed data, compressed metadata, compressed fragments,
        no xattrs, compressed ids
        duplicates are removed
Filesystem size 11113.78 Kbytes (10.85 Mbytes)
        26.65% of uncompressed filesystem size (41709.78 Kbytes)
Inode table size 8618 bytes (8.42 Kbytes)
        21.33% of uncompressed inode table size (40404 bytes)
Directory table size 8782 bytes (8.58 Kbytes)
        37.49% of uncompressed directory table size (23427 bytes)
Number of duplicate files found 1
Number of inodes 1219
Number of files 1017
Number of fragments 119
Number of symbolic links 26
Number of device nodes 0
Number of fifo nodes 0
Number of socket nodes 0
Number of directories 176
Number of hard-links 12
Number of ids (unique uids + gids) 1
Number of uids 1
        root (0)
Number of gids 1
        root (0)