this derivation will be built:
  /nix/store/cc834j47fynvdplhfjgmk2nap3bx446l-claude-code-2.1.247.drv
building '/nix/store/cc834j47fynvdplhfjgmk2nap3bx446l-claude-code-2.1.247.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/cc834j47fynvdplhfjgmk2nap3bx446l-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-18081-3406251749/ in /nix/store/dbqfj32q94nwz7n2j24l0f4w691vbwq0-claude-code-2.1.247...
claude-code-2.1.247> patching script interpreter paths in /nix/store/dbqfj32q94nwz7n2j24l0f4w691vbwq0-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/dbqfj32q94nwz7n2j24l0f4w691vbwq0-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=2026-08-27T21:45:21.370Z level=INFO msg="Uploading 1 paths to niks3.numtide.com (1 already cached)"
time=2026-08-27T21:45:21.370Z level=INFO msg="Uploading dbqfj32q94nwz7n2j24l0f4w691vbwq0-claude-code-2.1.247 (222.3MB)"
time=2026-08-27T21:45:41.100Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-27T21:45:41.422Z level=INFO msg="Upload complete. (20.62s)"