these 2 derivations will be built:
  /nix/store/hqkr5vllv33h6qq779i158yxc1rg81ny-clan-cli.drv
  /nix/store/xbhqkkvc3fy74z4h2hkvx9mz15479pnk-nix-shell.drv
building '/nix/store/xbhqkkvc3fy74z4h2hkvx9mz15479pnk-nix-shell.drv'
nix-shell> Running phase: buildPhase

post-build step Upload to niks3: ok
time=2026-09-01T22:15:16.002Z level=INFO msg="Uploading 3 paths to niks3.scientistexperience.net (839 already cached)"
time=2026-09-01T22:15:16.002Z level=INFO msg="Uploading 3h6j39nd21m55f17gphh7mydxfw1r9h4-clan-cli (3.9MB)"
time=2026-09-01T22:15:16.003Z level=INFO msg="Uploading 70dmj3mgr21k5x225hp70d7aghdfc932-source (203.5MB)"
time=2026-09-01T22:15:16.004Z level=INFO msg="Uploading 90lnzm0v7cdqs7fvdqp5cjwk79lifpwc-nix-shell (23.8KB)"
time=2026-09-01T22:15:23.194Z level=WARN msg="Request returned retryable status, retrying" attempt=1 max_attempts=6 backoff=100ms status=502 url="https://1ece4a9a8f092f8cbdd679d22b9ecb1f.r2.cloudflarestorage.com/sciexp-nix-cache/nar/045d9z5zjvdga8f7k1hfy8wsq7rp8a3zch14jrbrddmlixlrks59.nar.zst?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=3124017c81f2b70102e51b35b738c0c5%2F20260901%2Fauto%2Fs3%2Faws4_request&X-Amz-Date=20260901T221516Z&X-Amz-Expires=18000&X-Amz-SignedHeaders=host&partNumber=5&uploadId=AP-Gp4elbjA7FVUb6M-E2YaH1CPw6jXPJmkC2nObe2EApMo5FArQ1Z06Du4Hcb_YAC-L9gSQL80XrieGdSAJ1Xcz-SWBOVELmUljs10GCmVTHwNn5FW-2K384ajMyzelIwnqSULNYCRz-FA6qvwd0BRtx2yU277GQB4Oedoie6spjUJLRn18NjeZChPw_xY920-SVnaF6Il2nMA2iIKXhG0B3eso9TJ4Hl0Ubk03wsf852PEZApxFRiBMEK9Wc2USWq4YNK0sTAiRqGv14RFA0og5yGzTAI3Qet0UzKjPZMn1MvGWrmGiwMn4zcNZE9p8bhmNzEgOVGt6xaF_BG8-Ds&X-Amz-Signature=91a9317f2cc80a000f0241381d5fb22b3dc5f3d99d1ed4bbafa10c7fefb10dc8"
time=2026-09-01T22:15:23.618Z level=INFO msg="Uploading 3 narinfos"
time=2026-09-01T22:15:24.187Z level=INFO msg="Upload complete. (8.874s)"