this derivation will be built:
  /nix/store/pmnwbqavsmzw9bmlsay8swyjqgmhqaka-swamp-20260827.012103.0-sha.89734f5f.drv
building '/nix/store/pmnwbqavsmzw9bmlsay8swyjqgmhqaka-swamp-20260827.012103.0-sha.89734f5f.drv'
swamp-20260827.012103.0-sha.89734f5f> Using versionCheckHook
swamp-20260827.012103.0-sha.89734f5f> Running phase: unpackPhase
swamp-20260827.012103.0-sha.89734f5f> unpacking source archive /nix/store/pbr6prlinj328f72xrbfx6mrrvc7rhqq-swamp-20260827.012103.0-sha.89734f5f-binary-linux-x86_64.tar.gz
swamp-20260827.012103.0-sha.89734f5f> source root is .
swamp-20260827.012103.0-sha.89734f5f> setting SOURCE_DATE_EPOCH to timestamp 1787794684 of file "./swamp"
swamp-20260827.012103.0-sha.89734f5f> Running phase: patchPhase
swamp-20260827.012103.0-sha.89734f5f> Running phase: updateAutotoolsGnuConfigScriptsPhase
swamp-20260827.012103.0-sha.89734f5f> Running phase: configurePhase
swamp-20260827.012103.0-sha.89734f5f> no configure script, doing nothing
swamp-20260827.012103.0-sha.89734f5f> Running phase: buildPhase
swamp-20260827.012103.0-sha.89734f5f> no Makefile or custom buildPhase, doing nothing
swamp-20260827.012103.0-sha.89734f5f> Running phase: installPhase
swamp-20260827.012103.0-sha.89734f5f> Running phase: fixupPhase
swamp-20260827.012103.0-sha.89734f5f> shrinking RPATHs of ELF executables and libraries in /nix/store/njp8r4rbia5f5azqm1mqdn66jzg3sy0v-swamp-20260827.012103.0-sha.89734f5f
swamp-20260827.012103.0-sha.89734f5f> shrinking /nix/store/njp8r4rbia5f5azqm1mqdn66jzg3sy0v-swamp-20260827.012103.0-sha.89734f5f/bin/swamp
swamp-20260827.012103.0-sha.89734f5f> checking for references to /build/ in /nix/store/njp8r4rbia5f5azqm1mqdn66jzg3sy0v-swamp-20260827.012103.0-sha.89734f5f...
swamp-20260827.012103.0-sha.89734f5f> patching script interpreter paths in /nix/store/njp8r4rbia5f5azqm1mqdn66jzg3sy0v-swamp-20260827.012103.0-sha.89734f5f
swamp-20260827.012103.0-sha.89734f5f> wrapBuddy: wrapping paths: /nix/store/njp8r4rbia5f5azqm1mqdn66jzg3sy0v-swamp-20260827.012103.0-sha.89734f5f
swamp-20260827.012103.0-sha.89734f5f> Using interpreter: /nix/store/n51dhmdbik1kfrsm62j5knavmigwrl1a-glibc-2.42-84/lib/ld-linux-x86-64.so.2
swamp-20260827.012103.0-sha.89734f5f> 64-bit stub: 407 bytes
swamp-20260827.012103.0-sha.89734f5f> 32-bit stub: 441 bytes
swamp-20260827.012103.0-sha.89734f5f> Patching: /nix/store/njp8r4rbia5f5azqm1mqdn66jzg3sy0v-swamp-20260827.012103.0-sha.89734f5f/bin/swamp
swamp-20260827.012103.0-sha.89734f5f>   ELF class: 64-bit
swamp-20260827.012103.0-sha.89734f5f>   Original entry: 0x2271000 (file offset: 0x2270000)
swamp-20260827.012103.0-sha.89734f5f>   Available space at entry: 50417312 bytes
swamp-20260827.012103.0-sha.89734f5f>   Stub size: 407 bytes (padded to 416)
swamp-20260827.012103.0-sha.89734f5f>   Wrote config to /nix/store/njp8r4rbia5f5azqm1mqdn66jzg3sy0v-swamp-20260827.012103.0-sha.89734f5f/bin/.swamp.wrapbuddy
swamp-20260827.012103.0-sha.89734f5f>   Overwrote 416 bytes at entry point
swamp-20260827.012103.0-sha.89734f5f>   Converted PT_INTERP to PT_NULL
swamp-20260827.012103.0-sha.89734f5f> Patched: /nix/store/njp8r4rbia5f5azqm1mqdn66jzg3sy0v-swamp-20260827.012103.0-sha.89734f5f/bin/swamp
swamp-20260827.012103.0-sha.89734f5f> Running phase: installCheckPhase
swamp-20260827.012103.0-sha.89734f5f> Executing versionCheckPhase
swamp-20260827.012103.0-sha.89734f5f> Successfully managed to find version 20260827.012103.0-sha.89734f5f in the output of the command /nix/store/njp8r4rbia5f5azqm1mqdn66jzg3sy0v-swamp-20260827.012103.0-sha.89734f5f/bin/swamp --version
swamp-20260827.012103.0-sha.89734f5f> swamp 20260827.012103.0-sha.89734f5f
swamp-20260827.012103.0-sha.89734f5f> Finished versionCheckPhase
swamp-20260827.012103.0-sha.89734f5f> no Makefile or custom installCheckPhase, doing nothing

post-build step Upload to niks3: ok
time=2026-08-28T02:26:35.382Z level=INFO msg="Uploading 1 paths to niks3.numtide.com (7 already cached)"
time=2026-08-28T02:26:35.382Z level=INFO msg="Uploading njp8r4rbia5f5azqm1mqdn66jzg3sy0v-swamp-20260827.012103.0-sha.89734f5f (350.8MB)"
time=2026-08-28T02:26:47.660Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-28T02:26:47.976Z level=INFO msg="Upload complete. (12.838s)"