these 2 derivations will be built:
  /nix/store/qbmgjvd03alrdknmziahwx99wfjkbk1v-swamp-20260827.173630.0-sha.db10aefa-binary-darwin-aarch64.tar.gz.drv
  /nix/store/hcwmf8mpj1km7fmwsigq7cmpkjr8jmzf-swamp-20260827.173630.0-sha.db10aefa.drv
building '/nix/store/dpn918bmcl236fzf12mzn20rqjnk1652-swamp-20260827.173630.0-sha.db10aefa-binary-darwin-aarch64.tar.gz.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/dpn918bmcl236fzf12mzn20rqjnk1652-swamp-20260827.173630.0-sha.db10aefa-binary-darwin-aarch64.tar.gz.drv'
swamp-20260827.173630.0-sha.db10aefa-binary-darwin-aarch64.tar.gz> structuredAttrs is enabled
swamp-20260827.173630.0-sha.db10aefa-binary-darwin-aarch64.tar.gz> 
swamp-20260827.173630.0-sha.db10aefa-binary-darwin-aarch64.tar.gz> trying https://artifacts.swamp-club.com/swamp/20260827.173630.0-sha.db10aefa/binary/darwin/aarch64/swamp-20260827.173630.0-sha.db10aefa-binary-darwin-aarch64.tar.gz
swamp-20260827.173630.0-sha.db10aefa-binary-darwin-aarch64.tar.gz>   % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
swamp-20260827.173630.0-sha.db10aefa-binary-darwin-aarch64.tar.gz>                                  Dload  Upload  Total   Spent   Left   Speed
swamp-20260827.173630.0-sha.db10aefa-binary-darwin-aarch64.tar.gz> 
swamp-20260827.173630.0-sha.db10aefa-binary-darwin-aarch64.tar.gz>   0      0   0      0   0      0      0      0                              0
swamp-20260827.173630.0-sha.db10aefa-binary-darwin-aarch64.tar.gz>   3 98.10M   3  3.73M   0      0  3.48M      0   00:28   00:01   00:27  3.71M
swamp-20260827.173630.0-sha.db10aefa-binary-darwin-aarch64.tar.gz>  78 98.10M  78 76.70M   0      0 37.07M      0   00:02   00:02         38.27M
swamp-20260827.173630.0-sha.db10aefa-binary-darwin-aarch64.tar.gz> 100 98.10M 100 98.10M   0      0 40.38M      0   00:02   00:02         38.27M
swamp-20260827.173630.0-sha.db10aefa-binary-darwin-aarch64.tar.gz> 100 98.10M 100 98.10M   0      0 40.38M      0   00:02   00:02         38.27M
swamp-20260827.173630.0-sha.db10aefa-binary-darwin-aarch64.tar.gz> 100 98.10M 100 98.10M   0      0 40.38M      0   00:02   00:02         38.27M
building '/nix/store/hcwmf8mpj1km7fmwsigq7cmpkjr8jmzf-swamp-20260827.173630.0-sha.db10aefa.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/hcwmf8mpj1km7fmwsigq7cmpkjr8jmzf-swamp-20260827.173630.0-sha.db10aefa.drv'
swamp-20260827.173630.0-sha.db10aefa> Using versionCheckHook
swamp-20260827.173630.0-sha.db10aefa> Running phase: unpackPhase
swamp-20260827.173630.0-sha.db10aefa> unpacking source archive /nix/store/9xjkbvl7d7ghi1x6lzlsj1fixg3gc52n-swamp-20260827.173630.0-sha.db10aefa-binary-darwin-aarch64.tar.gz
swamp-20260827.173630.0-sha.db10aefa> source root is .
swamp-20260827.173630.0-sha.db10aefa> setting SOURCE_DATE_EPOCH to timestamp 1787866298 of file "./env-vars"
swamp-20260827.173630.0-sha.db10aefa> warning: file "./env-vars" may be generated; SOURCE_DATE_EPOCH may be non-deterministic
swamp-20260827.173630.0-sha.db10aefa> Running phase: patchPhase
swamp-20260827.173630.0-sha.db10aefa> Running phase: updateAutotoolsGnuConfigScriptsPhase
swamp-20260827.173630.0-sha.db10aefa> Running phase: configurePhase
swamp-20260827.173630.0-sha.db10aefa> no configure script, doing nothing
swamp-20260827.173630.0-sha.db10aefa> Running phase: buildPhase
swamp-20260827.173630.0-sha.db10aefa> no Makefile or custom buildPhase, doing nothing
swamp-20260827.173630.0-sha.db10aefa> Running phase: installPhase
swamp-20260827.173630.0-sha.db10aefa> Running phase: fixupPhase
swamp-20260827.173630.0-sha.db10aefa> checking for references to /nix/var/nix/builds/nix-48167-271150175/ in /nix/store/bfpd7sl443f3q7rf58njxkc80b94gr6p-swamp-20260827.173630.0-sha.db10aefa...
swamp-20260827.173630.0-sha.db10aefa> patching script interpreter paths in /nix/store/bfpd7sl443f3q7rf58njxkc80b94gr6p-swamp-20260827.173630.0-sha.db10aefa
swamp-20260827.173630.0-sha.db10aefa> Running phase: installCheckPhase
swamp-20260827.173630.0-sha.db10aefa> Executing versionCheckPhase
swamp-20260827.173630.0-sha.db10aefa> Successfully managed to find version 20260827.173630.0-sha.db10aefa in the output of the command /nix/store/bfpd7sl443f3q7rf58njxkc80b94gr6p-swamp-20260827.173630.0-sha.db10aefa/bin/swamp --version
swamp-20260827.173630.0-sha.db10aefa> swamp 20260827.173630.0-sha.db10aefa
swamp-20260827.173630.0-sha.db10aefa> Finished versionCheckPhase
swamp-20260827.173630.0-sha.db10aefa> no Makefile or custom installCheckPhase, doing nothing

post-build step Upload to niks3: ok
time=2026-08-27T21:31:57.132Z level=INFO msg="Uploading 1 paths to niks3.numtide.com (0 already cached)"
time=2026-08-27T21:31:57.133Z level=INFO msg="Uploading bfpd7sl443f3q7rf58njxkc80b94gr6p-swamp-20260827.173630.0-sha.db10aefa (299.2MB)"
time=2026-08-27T21:32:10.988Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-27T21:32:11.392Z level=INFO msg="Upload complete. (14.567s)"