Using versionCheckHook
Running phase: unpackPhase
unpacking source archive /nix/store/z7pjgncymzqx0n9kscj0vzks3gvmkccr-swamp-20261005.194524.0-sha.afe35519-binary-darwin-aarch64.tar.gz
source root is .
setting SOURCE_DATE_EPOCH to timestamp 1791237161 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
checking for references to /nix/var/nix/builds/nix-10929-3123918162/ in /nix/store/678qzfssvk27fxnz6pwk5r83xs2xfcgl-swamp-20261005.194524.0-sha.afe35519...
patching script interpreter paths in /nix/store/678qzfssvk27fxnz6pwk5r83xs2xfcgl-swamp-20261005.194524.0-sha.afe35519
Running phase: installCheckPhase
Executing versionCheckPhase
Successfully managed to find version 20261005.194524.0-sha.afe35519 in the output of the command /nix/store/678qzfssvk27fxnz6pwk5r83xs2xfcgl-swamp-20261005.194524.0-sha.afe35519/bin/swamp --version
swamp 20261005.194524.0-sha.afe35519
Finished versionCheckPhase
no Makefile or custom installCheckPhase, doing nothing