these 2 derivations will be built:
  /nix/store/90lngyx49s7fyxpv7xrq76cjhs47fcjz-swamp-20260826.170637.0-sha.9df806f3-binary-darwin-aarch64.tar.gz.drv
  /nix/store/ykks9hm9m37c6l1pg1r3p6866isn917i-swamp-20260826.170637.0-sha.9df806f3.drv
building '/nix/store/8m21c3kd050kjw3bavvyb4pmfg0prf07-swamp-20260826.170637.0-sha.9df806f3-binary-darwin-aarch64.tar.gz.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/8m21c3kd050kjw3bavvyb4pmfg0prf07-swamp-20260826.170637.0-sha.9df806f3-binary-darwin-aarch64.tar.gz.drv'
swamp-20260826.170637.0-sha.9df806f3-binary-darwin-aarch64.tar.gz> structuredAttrs is enabled
swamp-20260826.170637.0-sha.9df806f3-binary-darwin-aarch64.tar.gz> 
swamp-20260826.170637.0-sha.9df806f3-binary-darwin-aarch64.tar.gz> trying https://artifacts.swamp-club.com/swamp/20260826.170637.0-sha.9df806f3/binary/darwin/aarch64/swamp-20260826.170637.0-sha.9df806f3-binary-darwin-aarch64.tar.gz
swamp-20260826.170637.0-sha.9df806f3-binary-darwin-aarch64.tar.gz>   % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
swamp-20260826.170637.0-sha.9df806f3-binary-darwin-aarch64.tar.gz>                                  Dload  Upload  Total   Spent   Left   Speed
swamp-20260826.170637.0-sha.9df806f3-binary-darwin-aarch64.tar.gz> 
swamp-20260826.170637.0-sha.9df806f3-binary-darwin-aarch64.tar.gz>   0      0   0      0   0      0      0      0                              0
swamp-20260826.170637.0-sha.9df806f3-binary-darwin-aarch64.tar.gz>  12 97.93M  12 12.46M   0      0 11.70M      0   00:08   00:01   00:07 12.47M
swamp-20260826.170637.0-sha.9df806f3-binary-darwin-aarch64.tar.gz>  89 97.93M  89 87.22M   0      0 42.24M      0   00:02   00:02         43.64M
swamp-20260826.170637.0-sha.9df806f3-binary-darwin-aarch64.tar.gz> 100 97.93M 100 97.93M   0      0 44.15M      0   00:02   00:02         43.64M
swamp-20260826.170637.0-sha.9df806f3-binary-darwin-aarch64.tar.gz> 100 97.93M 100 97.93M   0      0 44.15M      0   00:02   00:02         43.64M
swamp-20260826.170637.0-sha.9df806f3-binary-darwin-aarch64.tar.gz> 100 97.93M 100 97.93M   0      0 44.15M      0   00:02   00:02         43.64M
building '/nix/store/ykks9hm9m37c6l1pg1r3p6866isn917i-swamp-20260826.170637.0-sha.9df806f3.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/ykks9hm9m37c6l1pg1r3p6866isn917i-swamp-20260826.170637.0-sha.9df806f3.drv'
swamp-20260826.170637.0-sha.9df806f3> Using versionCheckHook
swamp-20260826.170637.0-sha.9df806f3> Running phase: unpackPhase
swamp-20260826.170637.0-sha.9df806f3> unpacking source archive /nix/store/d9v49b39ydxxs2is96mfxamr23hhf4my-swamp-20260826.170637.0-sha.9df806f3-binary-darwin-aarch64.tar.gz
swamp-20260826.170637.0-sha.9df806f3> source root is .
swamp-20260826.170637.0-sha.9df806f3> setting SOURCE_DATE_EPOCH to timestamp 1787770484 of file "./env-vars"
swamp-20260826.170637.0-sha.9df806f3> warning: file "./env-vars" may be generated; SOURCE_DATE_EPOCH may be non-deterministic
swamp-20260826.170637.0-sha.9df806f3> Running phase: patchPhase
swamp-20260826.170637.0-sha.9df806f3> Running phase: updateAutotoolsGnuConfigScriptsPhase
swamp-20260826.170637.0-sha.9df806f3> Running phase: configurePhase
swamp-20260826.170637.0-sha.9df806f3> no configure script, doing nothing
swamp-20260826.170637.0-sha.9df806f3> Running phase: buildPhase
swamp-20260826.170637.0-sha.9df806f3> no Makefile or custom buildPhase, doing nothing
swamp-20260826.170637.0-sha.9df806f3> Running phase: installPhase
swamp-20260826.170637.0-sha.9df806f3> Running phase: fixupPhase
swamp-20260826.170637.0-sha.9df806f3> checking for references to /nix/var/nix/builds/nix-4901-2878914534/ in /nix/store/3c4ljih0k7z08lk5445bf2qb71qh5pqc-swamp-20260826.170637.0-sha.9df806f3...
swamp-20260826.170637.0-sha.9df806f3> /nix/store/cv1d7p48379km6a85h4zp6kr86brh32q-audit-tmpdir.sh: line 39:  5268 Done                       find "$dir" -type f -not -path '*/.build-id/*' -print0
swamp-20260826.170637.0-sha.9df806f3>       5270 Segmentation fault: 11     | while IFS= read -r -d '' file; do
swamp-20260826.170637.0-sha.9df806f3>     if isELF "$file"; then
swamp-20260826.170637.0-sha.9df806f3>         printf '%s\0' "$file" 1>&3;
swamp-20260826.170637.0-sha.9df806f3>     else
swamp-20260826.170637.0-sha.9df806f3>         if isScript "$file"; then
swamp-20260826.170637.0-sha.9df806f3>             filename=${file##*/}; dir=${file%/*}; if [ -e "$dir/.$filename-wrapped" ]; then
swamp-20260826.170637.0-sha.9df806f3>                 printf '%s\0' "$file" 1>&4;
swamp-20260826.170637.0-sha.9df806f3>             fi;
swamp-20260826.170637.0-sha.9df806f3>         fi;
swamp-20260826.170637.0-sha.9df806f3>     fi;
swamp-20260826.170637.0-sha.9df806f3> done
swamp-20260826.170637.0-sha.9df806f3> patching script interpreter paths in /nix/store/3c4ljih0k7z08lk5445bf2qb71qh5pqc-swamp-20260826.170637.0-sha.9df806f3
swamp-20260826.170637.0-sha.9df806f3> Running phase: installCheckPhase
swamp-20260826.170637.0-sha.9df806f3> Executing versionCheckPhase
swamp-20260826.170637.0-sha.9df806f3> Successfully managed to find version 20260826.170637.0-sha.9df806f3 in the output of the command /nix/store/3c4ljih0k7z08lk5445bf2qb71qh5pqc-swamp-20260826.170637.0-sha.9df806f3/bin/swamp --version
swamp-20260826.170637.0-sha.9df806f3> swamp 20260826.170637.0-sha.9df806f3
swamp-20260826.170637.0-sha.9df806f3> Finished versionCheckPhase
swamp-20260826.170637.0-sha.9df806f3> no Makefile or custom installCheckPhase, doing nothing

post-build step Upload to niks3: ok
time=2026-08-26T18:55:03.152Z level=INFO msg="Uploading 1 paths to niks3.numtide.com (0 already cached)"
time=2026-08-26T18:55:03.152Z level=INFO msg="Uploading 3c4ljih0k7z08lk5445bf2qb71qh5pqc-swamp-20260826.170637.0-sha.9df806f3 (298.4MB)"
time=2026-08-26T18:55:14.538Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-26T18:55:14.943Z level=INFO msg="Upload complete. (12s)"