Using versionCheckHook
Running phase: unpackPhase
unpacking source archive /nix/store/gxhzkl6ih6hq9igqhvwmin8dy9z1g46n-swamp-20260927.001720.0-sha.211145c6-binary-darwin-aarch64.tar.gz
source root is .
setting SOURCE_DATE_EPOCH to timestamp 1790482765 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-8169-4288201690/ in /nix/store/5adacbrip5xmi2774k0wkfciic661r78-swamp-20260927.001720.0-sha.211145c6...
patching script interpreter paths in /nix/store/5adacbrip5xmi2774k0wkfciic661r78-swamp-20260927.001720.0-sha.211145c6
Running phase: installCheckPhase
Executing versionCheckPhase
Successfully managed to find version 20260927.001720.0-sha.211145c6 in the output of the command /nix/store/5adacbrip5xmi2774k0wkfciic661r78-swamp-20260927.001720.0-sha.211145c6/bin/swamp --version
swamp 20260927.001720.0-sha.211145c6
Finished versionCheckPhase
no Makefile or custom installCheckPhase, doing nothing