these 2 derivations will be built:
  /nix/store/d0d860kkrc2whc2gl160gcj3qxab2lj3-claude.drv
  /nix/store/xjqns9srbziy4dqy5ag3accb0srxr28s-claude-code-2.1.247.drv
building '/nix/store/7k9gryinr91n6hzb619gqcj8zrr6gxac-claude.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/7k9gryinr91n6hzb619gqcj8zrr6gxac-claude.drv'
claude> structuredAttrs is enabled
claude> 
claude> trying https://storage.googleapis.com/claude-code-dist-86c565f3-f756-42ad-8dfa-d59b1c096819/claude-code-releases/2.1.247/darwin-arm64/claude
claude>   % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
claude>                                  Dload  Upload  Total   Spent   Left   Speed
claude> 
claude>   0      0   0      0   0      0      0      0                              0
claude>   4 222.2M   4  9.40M   0      0  8.99M      0   00:24   00:01   00:23  9.41M
claude>  23 222.2M  23 51.25M   0      0 25.02M      0   00:08   00:02   00:06 25.60M
claude>  41 222.2M  41 92.39M   0      0 30.29M      0   00:07   00:03   00:04 30.75M
claude>  60 222.2M  60 134.2M   0      0 33.15M      0   00:06   00:04   00:02 33.53M
claude>  79 222.2M  79 176.0M   0      0 34.82M      0   00:06   00:05   00:01 35.15M
claude>  97 222.2M  97 217.6M   0      0 35.90M      0   00:06   00:06         41.51M
claude> 100 222.2M 100 222.2M   0      0 36.04M      0   00:06   00:06         41.51M
claude> 100 222.2M 100 222.2M   0      0 36.04M      0   00:06   00:06         41.51M
claude> 100 222.2M 100 222.2M   0      0 36.04M      0   00:06   00:06         41.51M
building '/nix/store/xjqns9srbziy4dqy5ag3accb0srxr28s-claude-code-2.1.247.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/xjqns9srbziy4dqy5ag3accb0srxr28s-claude-code-2.1.247.drv'
claude-code-2.1.247> Using versionCheckHook
claude-code-2.1.247> Running phase: patchPhase
claude-code-2.1.247> Running phase: updateAutotoolsGnuConfigScriptsPhase
claude-code-2.1.247> Running phase: configurePhase
claude-code-2.1.247> no configure script, doing nothing
claude-code-2.1.247> Running phase: buildPhase
claude-code-2.1.247> no Makefile or custom buildPhase, doing nothing
claude-code-2.1.247> Running phase: installPhase
claude-code-2.1.247> Running phase: fixupPhase
claude-code-2.1.247> checking for references to /nix/var/nix/builds/nix-83031-587403941/ in /nix/store/hf25qcvb4a9s6lkn7gi8l38x33jxxv1g-claude-code-2.1.247...
claude-code-2.1.247> /nix/store/cv1d7p48379km6a85h4zp6kr86brh32q-audit-tmpdir.sh: line 39: 83111 Done                       find "$dir" -type f -not -path '*/.build-id/*' -print0
claude-code-2.1.247>      83112 Segmentation fault: 11     | while IFS= read -r -d '' file; do
claude-code-2.1.247>     if isELF "$file"; then
claude-code-2.1.247>         printf '%s\0' "$file" 1>&3;
claude-code-2.1.247>     else
claude-code-2.1.247>         if isScript "$file"; then
claude-code-2.1.247>             filename=${file##*/}; dir=${file%/*}; if [ -e "$dir/.$filename-wrapped" ]; then
claude-code-2.1.247>                 printf '%s\0' "$file" 1>&4;
claude-code-2.1.247>             fi;
claude-code-2.1.247>         fi;
claude-code-2.1.247>     fi;
claude-code-2.1.247> done
claude-code-2.1.247> patching script interpreter paths in /nix/store/hf25qcvb4a9s6lkn7gi8l38x33jxxv1g-claude-code-2.1.247
claude-code-2.1.247> Running phase: installCheckPhase
claude-code-2.1.247> Executing versionCheckPhase
claude-code-2.1.247> Successfully managed to find version 2.1.247 in the output of the command /nix/store/hf25qcvb4a9s6lkn7gi8l38x33jxxv1g-claude-code-2.1.247/bin/claude --version
claude-code-2.1.247> 2.1.247 (Claude Code)
claude-code-2.1.247> Finished versionCheckPhase
claude-code-2.1.247> no Makefile or custom installCheckPhase, doing nothing

post-build step Upload to niks3: ok
time=2026-08-27T01:44:05.226Z level=INFO msg="Uploading 1 paths to niks3.numtide.com (1 already cached)"
time=2026-08-27T01:44:05.227Z level=INFO msg="Uploading hf25qcvb4a9s6lkn7gi8l38x33jxxv1g-claude-code-2.1.247 (222.3MB)"
time=2026-08-27T01:44:13.096Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-27T01:44:13.440Z level=INFO msg="Upload complete. (8.417s)"