these 2 derivations will be built:
  /nix/store/wwr0a40nj14vb229i2zfsvb5rm2a9b9v-swamp-20260828.231706.0-sha.ca29674e-binary-linux-x86_64.tar.gz.drv
  /nix/store/r0j3jfzplzpm62amkf6imixbv760qjjz-swamp-20260828.231706.0-sha.ca29674e.drv
building '/nix/store/74877bjgx40alv9b2zkkz1crd3rnzj1l-swamp-20260828.231706.0-sha.ca29674e-binary-linux-x86_64.tar.gz.drv'
swamp-20260828.231706.0-sha.ca29674e-binary-linux-x86_64.tar.gz> structuredAttrs is enabled
swamp-20260828.231706.0-sha.ca29674e-binary-linux-x86_64.tar.gz> 
swamp-20260828.231706.0-sha.ca29674e-binary-linux-x86_64.tar.gz> trying https://artifacts.swamp-club.com/swamp/20260828.231706.0-sha.ca29674e/binary/linux/x86_64/swamp-20260828.231706.0-sha.ca29674e-binary-linux-x86_64.tar.gz
swamp-20260828.231706.0-sha.ca29674e-binary-linux-x86_64.tar.gz>   % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
swamp-20260828.231706.0-sha.ca29674e-binary-linux-x86_64.tar.gz>                                  Dload  Upload  Total   Spent   Left   Speed
swamp-20260828.231706.0-sha.ca29674e-binary-linux-x86_64.tar.gz> 
swamp-20260828.231706.0-sha.ca29674e-binary-linux-x86_64.tar.gz>   0      0   0      0   0      0      0      0                              0
swamp-20260828.231706.0-sha.ca29674e-binary-linux-x86_64.tar.gz>   1 112.0M   1  1.45M   0      0  1.33M      0   01:23   00:01   01:22  1.45M
swamp-20260828.231706.0-sha.ca29674e-binary-linux-x86_64.tar.gz>  58 112.0M  58 65.57M   0      0 31.35M      0   00:03   00:02   00:01 32.81M
swamp-20260828.231706.0-sha.ca29674e-binary-linux-x86_64.tar.gz> 100 112.0M 100 112.0M   0      0 41.54M      0   00:02   00:02         32.81M
swamp-20260828.231706.0-sha.ca29674e-binary-linux-x86_64.tar.gz> 100 112.0M 100 112.0M   0      0 41.54M      0   00:02   00:02         32.81M
swamp-20260828.231706.0-sha.ca29674e-binary-linux-x86_64.tar.gz> 100 112.0M 100 112.0M   0      0 41.54M      0   00:02   00:02         32.81M
building '/nix/store/r0j3jfzplzpm62amkf6imixbv760qjjz-swamp-20260828.231706.0-sha.ca29674e.drv'
swamp-20260828.231706.0-sha.ca29674e> Using versionCheckHook
swamp-20260828.231706.0-sha.ca29674e> Running phase: unpackPhase
swamp-20260828.231706.0-sha.ca29674e> unpacking source archive /nix/store/rlakj80a79gg4sgy32f8x4pr3nb7v3wq-swamp-20260828.231706.0-sha.ca29674e-binary-linux-x86_64.tar.gz
swamp-20260828.231706.0-sha.ca29674e> source root is .
swamp-20260828.231706.0-sha.ca29674e> setting SOURCE_DATE_EPOCH to timestamp 1787960008 of file "./swamp"
swamp-20260828.231706.0-sha.ca29674e> Running phase: patchPhase
swamp-20260828.231706.0-sha.ca29674e> Running phase: updateAutotoolsGnuConfigScriptsPhase
swamp-20260828.231706.0-sha.ca29674e> Running phase: configurePhase
swamp-20260828.231706.0-sha.ca29674e> no configure script, doing nothing
swamp-20260828.231706.0-sha.ca29674e> Running phase: buildPhase
swamp-20260828.231706.0-sha.ca29674e> no Makefile or custom buildPhase, doing nothing
swamp-20260828.231706.0-sha.ca29674e> Running phase: installPhase
swamp-20260828.231706.0-sha.ca29674e> Running phase: fixupPhase
swamp-20260828.231706.0-sha.ca29674e> shrinking RPATHs of ELF executables and libraries in /nix/store/fsdaqbsxc8wk598yxyjc4q7002v2dxs2-swamp-20260828.231706.0-sha.ca29674e
swamp-20260828.231706.0-sha.ca29674e> shrinking /nix/store/fsdaqbsxc8wk598yxyjc4q7002v2dxs2-swamp-20260828.231706.0-sha.ca29674e/bin/swamp
swamp-20260828.231706.0-sha.ca29674e> checking for references to /build/ in /nix/store/fsdaqbsxc8wk598yxyjc4q7002v2dxs2-swamp-20260828.231706.0-sha.ca29674e...
swamp-20260828.231706.0-sha.ca29674e> patching script interpreter paths in /nix/store/fsdaqbsxc8wk598yxyjc4q7002v2dxs2-swamp-20260828.231706.0-sha.ca29674e
swamp-20260828.231706.0-sha.ca29674e> wrapBuddy: wrapping paths: /nix/store/fsdaqbsxc8wk598yxyjc4q7002v2dxs2-swamp-20260828.231706.0-sha.ca29674e
swamp-20260828.231706.0-sha.ca29674e> Using interpreter: /nix/store/0d8g8n0a11v6f5m2h416ajyxmnkwc3md-glibc-2.42-67/lib/ld-linux-x86-64.so.2
swamp-20260828.231706.0-sha.ca29674e> 64-bit stub: 407 bytes
swamp-20260828.231706.0-sha.ca29674e> 32-bit stub: 441 bytes
swamp-20260828.231706.0-sha.ca29674e> Patching: /nix/store/fsdaqbsxc8wk598yxyjc4q7002v2dxs2-swamp-20260828.231706.0-sha.ca29674e/bin/swamp
swamp-20260828.231706.0-sha.ca29674e>   ELF class: 64-bit
swamp-20260828.231706.0-sha.ca29674e>   Original entry: 0x2271000 (file offset: 0x2270000)
swamp-20260828.231706.0-sha.ca29674e>   Available space at entry: 50417312 bytes
swamp-20260828.231706.0-sha.ca29674e>   Stub size: 407 bytes (padded to 416)
swamp-20260828.231706.0-sha.ca29674e>   Wrote config to /nix/store/fsdaqbsxc8wk598yxyjc4q7002v2dxs2-swamp-20260828.231706.0-sha.ca29674e/bin/.swamp.wrapbuddy
swamp-20260828.231706.0-sha.ca29674e>   Overwrote 416 bytes at entry point
swamp-20260828.231706.0-sha.ca29674e>   Converted PT_INTERP to PT_NULL
swamp-20260828.231706.0-sha.ca29674e> Patched: /nix/store/fsdaqbsxc8wk598yxyjc4q7002v2dxs2-swamp-20260828.231706.0-sha.ca29674e/bin/swamp
swamp-20260828.231706.0-sha.ca29674e> Running phase: installCheckPhase
swamp-20260828.231706.0-sha.ca29674e> Executing versionCheckPhase
swamp-20260828.231706.0-sha.ca29674e> Successfully managed to find version 20260828.231706.0-sha.ca29674e in the output of the command /nix/store/fsdaqbsxc8wk598yxyjc4q7002v2dxs2-swamp-20260828.231706.0-sha.ca29674e/bin/swamp --version
swamp-20260828.231706.0-sha.ca29674e> swamp 20260828.231706.0-sha.ca29674e
swamp-20260828.231706.0-sha.ca29674e> Finished versionCheckPhase
swamp-20260828.231706.0-sha.ca29674e> no Makefile or custom installCheckPhase, doing nothing

post-build step Upload to niks3: ok
time=2026-08-29T05:54:16.864Z level=INFO msg="Uploading 1 paths to niks3.numtide.com (7 already cached)"
time=2026-08-29T05:54:16.864Z level=INFO msg="Uploading fsdaqbsxc8wk598yxyjc4q7002v2dxs2-swamp-20260828.231706.0-sha.ca29674e (350.9MB)"
time=2026-08-29T05:54:31.380Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-29T05:54:31.798Z level=INFO msg="Upload complete. (15.918s)"