these 9 derivations will be built:
  /nix/store/nslmhx97s7bhwvy66zjhpqdjw0ivl3bk-niks3-server-1.4.0.drv
  /nix/store/m56941ydphlccghzlszfm1qv2kk2yh6p-niks3-server-customisation-layer.drv
  /nix/store/2iyhmyyq291sbg3887jq7k14m0qp40px-excludePaths.drv
  /nix/store/y3dxvwwn8gl1bdi2ar0v08sbdwq3siqa-layers.json.drv
  /nix/store/f6gvxzxrawfnmn877nrl5bz56mpcqfax-niks3-server-conf.json.drv
  /nix/store/mwmh6qhigh1k7hm22mlwcbim3lnbb4v9-stream-niks3-server.drv
  /nix/store/bax6c7h6dz09sfwmx44yvndw2kyrczmc-niks3-server.tar.drv
  /nix/store/z3y8phhnzbxinjfs4474bfmg832v7bkz-images.drv
  /nix/store/s108gl07rlkxsli5mvq2z0mgrg7vgarn-niks3-server-docker.drv
building '/nix/store/nslmhx97s7bhwvy66zjhpqdjw0ivl3bk-niks3-server-1.4.0.drv' on 'ssh-ng://customer@mac02'
building '/nix/store/nslmhx97s7bhwvy66zjhpqdjw0ivl3bk-niks3-server-1.4.0.drv'
niks3-server-1.4.0> Running phase: unpackPhase
niks3-server-1.4.0> unpacking source archive /nix/store/97cajh9srx2z93m11cbsrnqkamw36fbh-source
niks3-server-1.4.0> source root is source
niks3-server-1.4.0> Running phase: patchPhase
niks3-server-1.4.0> Running phase: updateAutotoolsGnuConfigScriptsPhase
niks3-server-1.4.0> Running phase: configurePhase
niks3-server-1.4.0> Running phase: buildPhase
niks3-server-1.4.0> Building subPackage ./cmd/niks3-server
niks3-server-1.4.0> Running phase: installPhase
niks3-server-1.4.0> Running phase: fixupPhase
niks3-server-1.4.0> checking for references to /nix/var/nix/builds/nix-97666-1003327960/ in /nix/store/q968w2apbpc82wpjg7prspdb60j8shiv-niks3-server-1.4.0...
niks3-server-1.4.0> _: line 2: patchelf: command not found
niks3-server-1.4.0> patching script interpreter paths in /nix/store/q968w2apbpc82wpjg7prspdb60j8shiv-niks3-server-1.4.0
niks3-server-1.4.0> stripping (with command strip and flags -S) in  /nix/store/q968w2apbpc82wpjg7prspdb60j8shiv-niks3-server-1.4.0/bin
building '/nix/store/m56941ydphlccghzlszfm1qv2kk2yh6p-niks3-server-customisation-layer.drv' on 'ssh-ng://customer@mac02'
building '/nix/store/m56941ydphlccghzlszfm1qv2kk2yh6p-niks3-server-customisation-layer.drv'
niks3-server-customisation-layer> /nix/store/w2v62vmblf7s83mybhf8imxc2pigzsr7-busybox-static-aarch64-unknown-linux-musl-1.37.0/bin:
niks3-server-customisation-layer> busybox: Keeping existing link to /nix/store/4x97h4pnl350vqn8hq9q0wany7psxjw2-busybox-static-aarch64-unknown-linux-musl-1.37.0/bin/busybox
niks3-server-customisation-layer> default.script: Keeping existing link to /nix/store/4x97h4pnl350vqn8hq9q0wany7psxjw2-busybox-static-aarch64-unknown-linux-musl-1.37.0/default.script
building '/nix/store/2iyhmyyq291sbg3887jq7k14m0qp40px-excludePaths.drv' on 'ssh-ng://customer@mac02'
building '/nix/store/2iyhmyyq291sbg3887jq7k14m0qp40px-excludePaths.drv'
building '/nix/store/y3dxvwwn8gl1bdi2ar0v08sbdwq3siqa-layers.json.drv' on 'ssh-ng://customer@mac02'
building '/nix/store/y3dxvwwn8gl1bdi2ar0v08sbdwq3siqa-layers.json.drv'
layers.json> structuredAttrs is enabled
building '/nix/store/f6gvxzxrawfnmn877nrl5bz56mpcqfax-niks3-server-conf.json.drv' on 'ssh-ng://customer@mac02'
building '/nix/store/f6gvxzxrawfnmn877nrl5bz56mpcqfax-niks3-server-conf.json.drv'
niks3-server-conf.json> {
niks3-server-conf.json>   "architecture": "arm64",
niks3-server-conf.json>   "config": {
niks3-server-conf.json>     "Entrypoint": [
niks3-server-conf.json>       "/bin/niks3-server"
niks3-server-conf.json>     ],
niks3-server-conf.json>     "ExposedPorts": {
niks3-server-conf.json>       "5751": {}
niks3-server-conf.json>     }
niks3-server-conf.json>   },
niks3-server-conf.json>   "os": "linux",
niks3-server-conf.json>   "store_dir": "/nix/store",
niks3-server-conf.json>   "from_image": null,
niks3-server-conf.json>   "store_layers": [
niks3-server-conf.json>     [
niks3-server-conf.json>       "/nix/store/d8b0n9qmlsdj6xhv1s67k494z4x9yb91-mailcap-2.1.54"
niks3-server-conf.json>     ],
niks3-server-conf.json>     [
niks3-server-conf.json>       "/nix/store/7n3pbc1vc5gi9fnmapfl1cjsnlzb5zk8-iana-etc-20251215"
niks3-server-conf.json>     ],
niks3-server-conf.json>     [
niks3-server-conf.json>       "/nix/store/kx24yc5whqwxpqgi5nw2zxh8d0syjbhq-nss-cacert-static-aarch64-unknown-linux-musl-3.123"
niks3-server-conf.json>     ],
niks3-server-conf.json>     [
niks3-server-conf.json>       "/nix/store/f36b0m4kq2pj3ibf1s74iqvmhrky9chz-libgcc-aarch64-unknown-linux-gnu-15.2.0"
niks3-server-conf.json>     ],
niks3-server-conf.json>     [
niks3-server-conf.json>       "/nix/store/4x97h4pnl350vqn8hq9q0wany7psxjw2-busybox-static-aarch64-unknown-linux-musl-1.37.0"
niks3-server-conf.json>     ],
niks3-server-conf.json>     [
niks3-server-conf.json>       "/nix/store/klc90kbqghhp57qazsqh0mkjpzvj7gb7-tzdata-2026b"
niks3-server-conf.json>     ],
niks3-server-conf.json>     [
niks3-server-conf.json>       "/nix/store/q968w2apbpc82wpjg7prspdb60j8shiv-niks3-server-1.4.0"
niks3-server-conf.json>     ],
niks3-server-conf.json>     [
niks3-server-conf.json>       "/nix/store/9gx8jkz0lxlqx8qrf0lqbw6g8x4hknnk-glibc-aarch64-unknown-linux-gnu-2.42-61"
niks3-server-conf.json>     ],
niks3-server-conf.json>     [
niks3-server-conf.json>       "/nix/store/gndv1fal63gm0yqzgl7ay8kjckgsg2si-niks3-aarch64-unknown-linux-gnu-1.7.0"
niks3-server-conf.json>     ]
niks3-server-conf.json>   ],
niks3-server-conf.json>   "customisation_layer": "/nix/store/7817lfpky306jhb3gr43p55bsx6xj7rc-niks3-server-customisation-layer",
niks3-server-conf.json>   "repo_tag": "niks3-server:1.4.0-aarch64-linux",
niks3-server-conf.json>   "created": "1970-01-01T00:00:01+00:00",
niks3-server-conf.json>   "mtime": "1970-01-01T00:00:01+00:00",
niks3-server-conf.json>   "uid": "0",
niks3-server-conf.json>   "gid": "0",
niks3-server-conf.json>   "uname": "root",
niks3-server-conf.json>   "gname": "root"
niks3-server-conf.json> }
building '/nix/store/mwmh6qhigh1k7hm22mlwcbim3lnbb4v9-stream-niks3-server.drv' on 'ssh-ng://customer@mac02'
building '/nix/store/mwmh6qhigh1k7hm22mlwcbim3lnbb4v9-stream-niks3-server.drv'
building '/nix/store/bax6c7h6dz09sfwmx44yvndw2kyrczmc-niks3-server.tar.drv' on 'ssh-ng://customer@mac02'
building '/nix/store/bax6c7h6dz09sfwmx44yvndw2kyrczmc-niks3-server.tar.drv'
niks3-server.tar> No 'fromImage' provided
niks3-server.tar> Creating layer 1 from paths: ['/nix/store/d8b0n9qmlsdj6xhv1s67k494z4x9yb91-mailcap-2.1.54']
niks3-server.tar> Creating layer 2 from paths: ['/nix/store/7n3pbc1vc5gi9fnmapfl1cjsnlzb5zk8-iana-etc-20251215']
niks3-server.tar> Creating layer 3 from paths: ['/nix/store/kx24yc5whqwxpqgi5nw2zxh8d0syjbhq-nss-cacert-static-aarch64-unknown-linux-musl-3.123']
niks3-server.tar> Creating layer 4 from paths: ['/nix/store/f36b0m4kq2pj3ibf1s74iqvmhrky9chz-libgcc-aarch64-unknown-linux-gnu-15.2.0']
niks3-server.tar> Creating layer 5 from paths: ['/nix/store/4x97h4pnl350vqn8hq9q0wany7psxjw2-busybox-static-aarch64-unknown-linux-musl-1.37.0']
niks3-server.tar> Creating layer 6 from paths: ['/nix/store/klc90kbqghhp57qazsqh0mkjpzvj7gb7-tzdata-2026b']
niks3-server.tar> Creating layer 7 from paths: ['/nix/store/q968w2apbpc82wpjg7prspdb60j8shiv-niks3-server-1.4.0']
niks3-server.tar> Creating layer 8 from paths: ['/nix/store/9gx8jkz0lxlqx8qrf0lqbw6g8x4hknnk-glibc-aarch64-unknown-linux-gnu-2.42-61']
niks3-server.tar> Creating layer 9 from paths: ['/nix/store/gndv1fal63gm0yqzgl7ay8kjckgsg2si-niks3-aarch64-unknown-linux-gnu-1.7.0']
niks3-server.tar> Creating layer 10 with customisation...
niks3-server.tar> Adding manifests...
niks3-server.tar> Done.
could not copy /nix/store/485j255df0ahmj9jjfs1sx00jqz45iq6-niks3-server.tar: error: Nix daemon disconnected unexpectedly (maybe it crashed?)
error: some outputs are unexpectedly invalid