Using versionCheckHook
Running phase: unpackPhase
unpacking source archive /nix/store/04vlinr7cgmcz8fk7j10jnb9z22c0w7y-swamp-20260830.034252.0-sha.43b19693-binary-darwin-aarch64.tar.gz
source root is .
setting SOURCE_DATE_EPOCH to timestamp 1788170849 of file "./env-vars"
warning: file "./env-vars" may be generated; SOURCE_DATE_EPOCH may be non-deterministic
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-12452-2883400420/ in /nix/store/qilmxy2j4099n3li1snvmfclmf5x8sb2-swamp-20260830.034252.0-sha.43b19693...
patching script interpreter paths in /nix/store/qilmxy2j4099n3li1snvmfclmf5x8sb2-swamp-20260830.034252.0-sha.43b19693
Running phase: installCheckPhase
Executing versionCheckPhase
Successfully managed to find version 20260830.034252.0-sha.43b19693 in the output of the command /nix/store/qilmxy2j4099n3li1snvmfclmf5x8sb2-swamp-20260830.034252.0-sha.43b19693/bin/swamp --version
swamp 20260830.034252.0-sha.43b19693
Finished versionCheckPhase
no Makefile or custom installCheckPhase, doing nothing