these 2 derivations will be built:
  /nix/store/pg5zr4mcvnldvcaah44ckm594xk9i0gg-swamp-20260901.013347.0-sha.58c65184-binary-darwin-aarch64.tar.gz.drv
  /nix/store/fwilpg1r92igp6rf8s06za0wyi0f67bd-swamp-20260901.013347.0-sha.58c65184.drv
building '/nix/store/zhk51gdvssjsy4s0pmjw8fy3xkl3w58f-swamp-20260901.013347.0-sha.58c65184-binary-darwin-aarch64.tar.gz.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/zhk51gdvssjsy4s0pmjw8fy3xkl3w58f-swamp-20260901.013347.0-sha.58c65184-binary-darwin-aarch64.tar.gz.drv'
swamp-20260901.013347.0-sha.58c65184-binary-darwin-aarch64.tar.gz> structuredAttrs is enabled
swamp-20260901.013347.0-sha.58c65184-binary-darwin-aarch64.tar.gz> 
swamp-20260901.013347.0-sha.58c65184-binary-darwin-aarch64.tar.gz> trying https://artifacts.swamp-club.com/swamp/20260901.013347.0-sha.58c65184/binary/darwin/aarch64/swamp-20260901.013347.0-sha.58c65184-binary-darwin-aarch64.tar.gz
swamp-20260901.013347.0-sha.58c65184-binary-darwin-aarch64.tar.gz>   % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
swamp-20260901.013347.0-sha.58c65184-binary-darwin-aarch64.tar.gz>                                  Dload  Upload  Total   Spent   Left   Speed
swamp-20260901.013347.0-sha.58c65184-binary-darwin-aarch64.tar.gz> 
swamp-20260901.013347.0-sha.58c65184-binary-darwin-aarch64.tar.gz>   0      0   0      0   0      0      0      0                              0
swamp-20260901.013347.0-sha.58c65184-binary-darwin-aarch64.tar.gz>  17 98.12M  17 16.81M   0      0 15.92M      0   00:06   00:01   00:05 16.82M
swamp-20260901.013347.0-sha.58c65184-binary-darwin-aarch64.tar.gz>  69 98.12M  69 68.03M   0      0 33.11M      0   00:02   00:02         34.04M
swamp-20260901.013347.0-sha.58c65184-binary-darwin-aarch64.tar.gz> 100 98.12M 100 98.12M   0      0 37.29M      0   00:02   00:02         34.04M
swamp-20260901.013347.0-sha.58c65184-binary-darwin-aarch64.tar.gz> 100 98.12M 100 98.12M   0      0 37.29M      0   00:02   00:02         34.04M
swamp-20260901.013347.0-sha.58c65184-binary-darwin-aarch64.tar.gz> 100 98.12M 100 98.12M   0      0 37.29M      0   00:02   00:02         34.04M
building '/nix/store/fwilpg1r92igp6rf8s06za0wyi0f67bd-swamp-20260901.013347.0-sha.58c65184.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/fwilpg1r92igp6rf8s06za0wyi0f67bd-swamp-20260901.013347.0-sha.58c65184.drv'
swamp-20260901.013347.0-sha.58c65184> Using versionCheckHook
swamp-20260901.013347.0-sha.58c65184> Running phase: unpackPhase
swamp-20260901.013347.0-sha.58c65184> unpacking source archive /nix/store/xxpf09dni0mxmzp33xs819zprdp35b02-swamp-20260901.013347.0-sha.58c65184-binary-darwin-aarch64.tar.gz
swamp-20260901.013347.0-sha.58c65184> source root is .
swamp-20260901.013347.0-sha.58c65184> setting SOURCE_DATE_EPOCH to timestamp 1788227576 of file "./swamp"
swamp-20260901.013347.0-sha.58c65184> Running phase: patchPhase
swamp-20260901.013347.0-sha.58c65184> Running phase: updateAutotoolsGnuConfigScriptsPhase
swamp-20260901.013347.0-sha.58c65184> Running phase: configurePhase
swamp-20260901.013347.0-sha.58c65184> no configure script, doing nothing
swamp-20260901.013347.0-sha.58c65184> Running phase: buildPhase
swamp-20260901.013347.0-sha.58c65184> no Makefile or custom buildPhase, doing nothing
swamp-20260901.013347.0-sha.58c65184> Running phase: installPhase
swamp-20260901.013347.0-sha.58c65184> Running phase: fixupPhase
swamp-20260901.013347.0-sha.58c65184> checking for references to /nix/var/nix/builds/nix-52483-3571902507/ in /nix/store/rad7qzcv5pqk9rkg1sr2bb8s5l4354xa-swamp-20260901.013347.0-sha.58c65184...
swamp-20260901.013347.0-sha.58c65184> patching script interpreter paths in /nix/store/rad7qzcv5pqk9rkg1sr2bb8s5l4354xa-swamp-20260901.013347.0-sha.58c65184
swamp-20260901.013347.0-sha.58c65184> Running phase: installCheckPhase
swamp-20260901.013347.0-sha.58c65184> Executing versionCheckPhase
swamp-20260901.013347.0-sha.58c65184> Successfully managed to find version 20260901.013347.0-sha.58c65184 in the output of the command /nix/store/rad7qzcv5pqk9rkg1sr2bb8s5l4354xa-swamp-20260901.013347.0-sha.58c65184/bin/swamp --version
swamp-20260901.013347.0-sha.58c65184> swamp 20260901.013347.0-sha.58c65184
swamp-20260901.013347.0-sha.58c65184> Finished versionCheckPhase
swamp-20260901.013347.0-sha.58c65184> no Makefile or custom installCheckPhase, doing nothing

post-build step Upload to niks3: ok
time=2026-09-01T09:30:36.588Z level=INFO msg="Uploading 1 paths to niks3.numtide.com (0 already cached)"
time=2026-09-01T09:30:36.589Z level=INFO msg="Uploading rad7qzcv5pqk9rkg1sr2bb8s5l4354xa-swamp-20260901.013347.0-sha.58c65184 (299.3MB)"
time=2026-09-01T09:30:45.980Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-01T09:30:46.380Z level=INFO msg="Upload complete. (10.052s)"