these 2 derivations will be built:
  /nix/store/h4qzxwgk7m3r6sw7aajq2wcqv88lbhl3-swamp-20260827.173630.0-sha.db10aefa-binary-linux-x86_64.tar.gz.drv
  /nix/store/myhhlcs6s7fl5nqkq5zl3gfirdsgdfbs-swamp-20260827.173630.0-sha.db10aefa.drv
building '/nix/store/vvj1hpbsljgmlqzc6r318bffvjgy9qix-swamp-20260827.173630.0-sha.db10aefa-binary-linux-x86_64.tar.gz.drv'
swamp-20260827.173630.0-sha.db10aefa-binary-linux-x86_64.tar.gz> structuredAttrs is enabled
swamp-20260827.173630.0-sha.db10aefa-binary-linux-x86_64.tar.gz> 
swamp-20260827.173630.0-sha.db10aefa-binary-linux-x86_64.tar.gz> trying https://artifacts.swamp-club.com/swamp/20260827.173630.0-sha.db10aefa/binary/linux/x86_64/swamp-20260827.173630.0-sha.db10aefa-binary-linux-x86_64.tar.gz
swamp-20260827.173630.0-sha.db10aefa-binary-linux-x86_64.tar.gz>   % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
swamp-20260827.173630.0-sha.db10aefa-binary-linux-x86_64.tar.gz>                                  Dload  Upload  Total   Spent   Left   Speed
swamp-20260827.173630.0-sha.db10aefa-binary-linux-x86_64.tar.gz> 
swamp-20260827.173630.0-sha.db10aefa-binary-linux-x86_64.tar.gz>   0      0   0      0   0      0      0      0                              0
swamp-20260827.173630.0-sha.db10aefa-binary-linux-x86_64.tar.gz>   2 112.0M   2  2.69M   0      0  2.46M      0   00:45   00:01   00:44  2.68M
swamp-20260827.173630.0-sha.db10aefa-binary-linux-x86_64.tar.gz>  69 112.0M  69 77.33M   0      0 36.96M      0   00:03   00:02   00:01 38.63M
swamp-20260827.173630.0-sha.db10aefa-binary-linux-x86_64.tar.gz> 100 112.0M 100 112.0M   0      0 44.29M      0   00:02   00:02         38.63M
swamp-20260827.173630.0-sha.db10aefa-binary-linux-x86_64.tar.gz> 100 112.0M 100 112.0M   0      0 44.29M      0   00:02   00:02         38.63M
swamp-20260827.173630.0-sha.db10aefa-binary-linux-x86_64.tar.gz> 100 112.0M 100 112.0M   0      0 44.29M      0   00:02   00:02         38.63M
building '/nix/store/myhhlcs6s7fl5nqkq5zl3gfirdsgdfbs-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/50pfn6vjfg80vkxnwafiggkx6jldgvnj-swamp-20260827.173630.0-sha.db10aefa-binary-linux-x86_64.tar.gz
swamp-20260827.173630.0-sha.db10aefa> source root is .
swamp-20260827.173630.0-sha.db10aefa> setting SOURCE_DATE_EPOCH to timestamp 1787853376 of file "./swamp"
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> shrinking RPATHs of ELF executables and libraries in /nix/store/spsg0aqkgqbycbn04di7xsiqs9f882ja-swamp-20260827.173630.0-sha.db10aefa
swamp-20260827.173630.0-sha.db10aefa> shrinking /nix/store/spsg0aqkgqbycbn04di7xsiqs9f882ja-swamp-20260827.173630.0-sha.db10aefa/bin/swamp
swamp-20260827.173630.0-sha.db10aefa> checking for references to /build/ in /nix/store/spsg0aqkgqbycbn04di7xsiqs9f882ja-swamp-20260827.173630.0-sha.db10aefa...
swamp-20260827.173630.0-sha.db10aefa> patching script interpreter paths in /nix/store/spsg0aqkgqbycbn04di7xsiqs9f882ja-swamp-20260827.173630.0-sha.db10aefa
swamp-20260827.173630.0-sha.db10aefa> wrapBuddy: wrapping paths: /nix/store/spsg0aqkgqbycbn04di7xsiqs9f882ja-swamp-20260827.173630.0-sha.db10aefa
swamp-20260827.173630.0-sha.db10aefa> Using interpreter: /nix/store/0d8g8n0a11v6f5m2h416ajyxmnkwc3md-glibc-2.42-67/lib/ld-linux-x86-64.so.2
swamp-20260827.173630.0-sha.db10aefa> 64-bit stub: 407 bytes
swamp-20260827.173630.0-sha.db10aefa> 32-bit stub: 441 bytes
swamp-20260827.173630.0-sha.db10aefa> Patching: /nix/store/spsg0aqkgqbycbn04di7xsiqs9f882ja-swamp-20260827.173630.0-sha.db10aefa/bin/swamp
swamp-20260827.173630.0-sha.db10aefa>   ELF class: 64-bit
swamp-20260827.173630.0-sha.db10aefa>   Original entry: 0x2271000 (file offset: 0x2270000)
swamp-20260827.173630.0-sha.db10aefa>   Available space at entry: 50417312 bytes
swamp-20260827.173630.0-sha.db10aefa>   Stub size: 407 bytes (padded to 416)
swamp-20260827.173630.0-sha.db10aefa>   Wrote config to /nix/store/spsg0aqkgqbycbn04di7xsiqs9f882ja-swamp-20260827.173630.0-sha.db10aefa/bin/.swamp.wrapbuddy
swamp-20260827.173630.0-sha.db10aefa>   Overwrote 416 bytes at entry point
swamp-20260827.173630.0-sha.db10aefa>   Converted PT_INTERP to PT_NULL
swamp-20260827.173630.0-sha.db10aefa> Patched: /nix/store/spsg0aqkgqbycbn04di7xsiqs9f882ja-swamp-20260827.173630.0-sha.db10aefa/bin/swamp
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/spsg0aqkgqbycbn04di7xsiqs9f882ja-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=2026-08-27T21:31:59.761Z level=INFO msg="Uploading 1 paths to niks3.numtide.com (7 already cached)"
time=2026-08-27T21:31:59.761Z level=INFO msg="Uploading spsg0aqkgqbycbn04di7xsiqs9f882ja-swamp-20260827.173630.0-sha.db10aefa (350.9MB)"
time=2026-08-27T21:32:14.064Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-27T21:32:14.398Z level=INFO msg="Upload complete. (15.046s)"