Using versionCheckHook
Running phase: unpackPhase
unpacking source archive /nix/store/rxmlcnw7rla2xd8r9zb9jhvcp2647wqd-swamp-20260922.011324.0-sha.2e949db5-binary-darwin-aarch64.tar.gz
source root is .
setting SOURCE_DATE_EPOCH to timestamp 1790040524 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-92555-3886765071/ in /nix/store/1j6v34q86mf94pzhbzz0b38qawb1qgwm-swamp-20260922.011324.0-sha.2e949db5...
patching script interpreter paths in /nix/store/1j6v34q86mf94pzhbzz0b38qawb1qgwm-swamp-20260922.011324.0-sha.2e949db5
Running phase: installCheckPhase
Executing versionCheckPhase
Successfully managed to find version 20260922.011324.0-sha.2e949db5 in the output of the command /nix/store/1j6v34q86mf94pzhbzz0b38qawb1qgwm-swamp-20260922.011324.0-sha.2e949db5/bin/swamp --version
swamp 20260922.011324.0-sha.2e949db5
Finished versionCheckPhase
no Makefile or custom installCheckPhase, doing nothing