these 2 derivations will be built:
  /nix/store/p05p4s3mg06ck2mg44f189lmzqlb6sxj-swamp-20260824.230503.0-sha.ad72897a-binary-linux-x86_64.tar.gz.drv
  /nix/store/ibzv2q364sk5qqg69xrls7zgv2gr0fi5-swamp-20260824.230503.0-sha.ad72897a.drv
building '/nix/store/dprcyja598qxxksiizn98xkfaj38v73d-swamp-20260824.230503.0-sha.ad72897a-binary-linux-x86_64.tar.gz.drv'
swamp-20260824.230503.0-sha.ad72897a-binary-linux-x86_64.tar.gz> structuredAttrs is enabled
swamp-20260824.230503.0-sha.ad72897a-binary-linux-x86_64.tar.gz> 
swamp-20260824.230503.0-sha.ad72897a-binary-linux-x86_64.tar.gz> trying https://artifacts.swamp-club.com/swamp/20260824.230503.0-sha.ad72897a/binary/linux/x86_64/swamp-20260824.230503.0-sha.ad72897a-binary-linux-x86_64.tar.gz
swamp-20260824.230503.0-sha.ad72897a-binary-linux-x86_64.tar.gz>   % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
swamp-20260824.230503.0-sha.ad72897a-binary-linux-x86_64.tar.gz>                                  Dload  Upload  Total   Spent   Left   Speed
swamp-20260824.230503.0-sha.ad72897a-binary-linux-x86_64.tar.gz> 
swamp-20260824.230503.0-sha.ad72897a-binary-linux-x86_64.tar.gz>   0      0   0      0   0      0      0      0                              0
swamp-20260824.230503.0-sha.ad72897a-binary-linux-x86_64.tar.gz>  15 111.7M  15 17.10M   0      0 16.02M      0   00:06   00:01   00:05 17.12M
swamp-20260824.230503.0-sha.ad72897a-binary-linux-x86_64.tar.gz>  89 111.7M  89 99.90M   0      0 48.33M      0   00:02   00:02         50.00M
swamp-20260824.230503.0-sha.ad72897a-binary-linux-x86_64.tar.gz> 100 111.7M 100 111.7M   0      0 50.43M      0   00:02   00:02         50.00M
swamp-20260824.230503.0-sha.ad72897a-binary-linux-x86_64.tar.gz> 100 111.7M 100 111.7M   0      0 50.43M      0   00:02   00:02         50.00M
swamp-20260824.230503.0-sha.ad72897a-binary-linux-x86_64.tar.gz> 100 111.7M 100 111.7M   0      0 50.43M      0   00:02   00:02         50.00M
building '/nix/store/ibzv2q364sk5qqg69xrls7zgv2gr0fi5-swamp-20260824.230503.0-sha.ad72897a.drv'
swamp-20260824.230503.0-sha.ad72897a> Using versionCheckHook
swamp-20260824.230503.0-sha.ad72897a> Running phase: unpackPhase
swamp-20260824.230503.0-sha.ad72897a> unpacking source archive /nix/store/lsf39q3r12wybcf7aivhwg0x9j7qs6cl-swamp-20260824.230503.0-sha.ad72897a-binary-linux-x86_64.tar.gz
swamp-20260824.230503.0-sha.ad72897a> source root is .
swamp-20260824.230503.0-sha.ad72897a> setting SOURCE_DATE_EPOCH to timestamp 1787613689 of file "./swamp"
swamp-20260824.230503.0-sha.ad72897a> Running phase: patchPhase
swamp-20260824.230503.0-sha.ad72897a> Running phase: updateAutotoolsGnuConfigScriptsPhase
swamp-20260824.230503.0-sha.ad72897a> Running phase: configurePhase
swamp-20260824.230503.0-sha.ad72897a> no configure script, doing nothing
swamp-20260824.230503.0-sha.ad72897a> Running phase: buildPhase
swamp-20260824.230503.0-sha.ad72897a> no Makefile or custom buildPhase, doing nothing
swamp-20260824.230503.0-sha.ad72897a> Running phase: installPhase
swamp-20260824.230503.0-sha.ad72897a> Running phase: fixupPhase
swamp-20260824.230503.0-sha.ad72897a> shrinking RPATHs of ELF executables and libraries in /nix/store/q09xr7lifram76pn3hg31bam9p2w3q6n-swamp-20260824.230503.0-sha.ad72897a
swamp-20260824.230503.0-sha.ad72897a> shrinking /nix/store/q09xr7lifram76pn3hg31bam9p2w3q6n-swamp-20260824.230503.0-sha.ad72897a/bin/swamp
swamp-20260824.230503.0-sha.ad72897a> checking for references to /build/ in /nix/store/q09xr7lifram76pn3hg31bam9p2w3q6n-swamp-20260824.230503.0-sha.ad72897a...
swamp-20260824.230503.0-sha.ad72897a> patching script interpreter paths in /nix/store/q09xr7lifram76pn3hg31bam9p2w3q6n-swamp-20260824.230503.0-sha.ad72897a
swamp-20260824.230503.0-sha.ad72897a> wrapBuddy: wrapping paths: /nix/store/q09xr7lifram76pn3hg31bam9p2w3q6n-swamp-20260824.230503.0-sha.ad72897a
swamp-20260824.230503.0-sha.ad72897a> Using interpreter: /nix/store/0d8g8n0a11v6f5m2h416ajyxmnkwc3md-glibc-2.42-67/lib/ld-linux-x86-64.so.2
swamp-20260824.230503.0-sha.ad72897a> 64-bit stub: 407 bytes
swamp-20260824.230503.0-sha.ad72897a> 32-bit stub: 441 bytes
swamp-20260824.230503.0-sha.ad72897a> Patching: /nix/store/q09xr7lifram76pn3hg31bam9p2w3q6n-swamp-20260824.230503.0-sha.ad72897a/bin/swamp
swamp-20260824.230503.0-sha.ad72897a>   ELF class: 64-bit
swamp-20260824.230503.0-sha.ad72897a>   Original entry: 0x2271000 (file offset: 0x2270000)
swamp-20260824.230503.0-sha.ad72897a>   Available space at entry: 50417312 bytes
swamp-20260824.230503.0-sha.ad72897a>   Stub size: 407 bytes (padded to 416)
swamp-20260824.230503.0-sha.ad72897a>   Wrote config to /nix/store/q09xr7lifram76pn3hg31bam9p2w3q6n-swamp-20260824.230503.0-sha.ad72897a/bin/.swamp.wrapbuddy
swamp-20260824.230503.0-sha.ad72897a>   Overwrote 416 bytes at entry point
swamp-20260824.230503.0-sha.ad72897a>   Converted PT_INTERP to PT_NULL
swamp-20260824.230503.0-sha.ad72897a> Patched: /nix/store/q09xr7lifram76pn3hg31bam9p2w3q6n-swamp-20260824.230503.0-sha.ad72897a/bin/swamp
swamp-20260824.230503.0-sha.ad72897a> Running phase: installCheckPhase
swamp-20260824.230503.0-sha.ad72897a> Executing versionCheckPhase
swamp-20260824.230503.0-sha.ad72897a> Successfully managed to find version 20260824.230503.0-sha.ad72897a in the output of the command /nix/store/q09xr7lifram76pn3hg31bam9p2w3q6n-swamp-20260824.230503.0-sha.ad72897a/bin/swamp --version
swamp-20260824.230503.0-sha.ad72897a> swamp 20260824.230503.0-sha.ad72897a
swamp-20260824.230503.0-sha.ad72897a> Finished versionCheckPhase
swamp-20260824.230503.0-sha.ad72897a> no Makefile or custom installCheckPhase, doing nothing

post-build step Upload to niks3: ok
time=2026-08-25T04:28:28.263Z level=INFO msg="Uploading 1 paths to niks3.numtide.com (7 already cached)"
time=2026-08-25T04:28:28.263Z level=INFO msg="Uploading q09xr7lifram76pn3hg31bam9p2w3q6n-swamp-20260824.230503.0-sha.ad72897a (349.7MB)"
time=2026-08-25T04:28:37.254Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-25T04:28:37.561Z level=INFO msg="Upload complete. (9.459s)"