Using versionCheckHook
Running phase: unpackPhase
unpacking source archive /nix/store/rzvfmzcy15w7bzrfly2yiikwpiyv1927-swamp-20260921.212309.0-sha.325c3c3b-binary-linux-x86_64.tar.gz
source root is .
setting SOURCE_DATE_EPOCH to timestamp 1790026995 of file "./swamp"
Running phase: patchPhase
Running phase: updateAutotoolsGnuConfigScriptsPhase
Running phase: configurePhase
no configure script, doing nothing
Running phase: buildPhase
no Makefile or custom buildPhase, doing nothing
Running phase: installPhase
Running phase: fixupPhase
shrinking RPATHs of ELF executables and libraries in /nix/store/01hdmldzw2nl1fj2wka06jff3hr22bn8-swamp-20260921.212309.0-sha.325c3c3b
shrinking /nix/store/01hdmldzw2nl1fj2wka06jff3hr22bn8-swamp-20260921.212309.0-sha.325c3c3b/bin/swamp
checking for references to /build/ in /nix/store/01hdmldzw2nl1fj2wka06jff3hr22bn8-swamp-20260921.212309.0-sha.325c3c3b...
patching script interpreter paths in /nix/store/01hdmldzw2nl1fj2wka06jff3hr22bn8-swamp-20260921.212309.0-sha.325c3c3b
wrapBuddy: wrapping paths: /nix/store/01hdmldzw2nl1fj2wka06jff3hr22bn8-swamp-20260921.212309.0-sha.325c3c3b
Using interpreter: /nix/store/lm3pknxi0ipypy3lxh1wmm8wvvavdwrn-glibc-2.42-84/lib/ld-linux-x86-64.so.2
64-bit stub: 407 bytes
32-bit stub: 441 bytes
Patching: /nix/store/01hdmldzw2nl1fj2wka06jff3hr22bn8-swamp-20260921.212309.0-sha.325c3c3b/bin/swamp
  ELF class: 64-bit
  Original entry: 0x1918000 (file offset: 0x16aa000)
  Available space at entry: 51958480 bytes
  Stub size: 407 bytes (padded to 416)
  Wrote config to /nix/store/01hdmldzw2nl1fj2wka06jff3hr22bn8-swamp-20260921.212309.0-sha.325c3c3b/bin/.swamp.wrapbuddy
  Overwrote 416 bytes at entry point
  Converted PT_INTERP to PT_NULL
Patched: /nix/store/01hdmldzw2nl1fj2wka06jff3hr22bn8-swamp-20260921.212309.0-sha.325c3c3b/bin/swamp
Running phase: installCheckPhase
Executing versionCheckPhase
Successfully managed to find version 20260921.212309.0-sha.325c3c3b in the output of the command /nix/store/01hdmldzw2nl1fj2wka06jff3hr22bn8-swamp-20260921.212309.0-sha.325c3c3b/bin/swamp --version
swamp 20260921.212309.0-sha.325c3c3b
Finished versionCheckPhase
no Makefile or custom installCheckPhase, doing nothing