Using versionCheckHook
Running phase: unpackPhase
unpacking source archive /nix/store/245cgibrgskxxzy667xf5gzlrslfd0br-swamp-20260930.180631.0-sha.e34705c3-binary-darwin-aarch64.tar.gz
source root is .
setting SOURCE_DATE_EPOCH to timestamp 1790806741 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-67448-3682882504/ in /nix/store/jk7jsidpsnaw7g8rfshndapnss0wx70v-swamp-20260930.180631.0-sha.e34705c3...
patching script interpreter paths in /nix/store/jk7jsidpsnaw7g8rfshndapnss0wx70v-swamp-20260930.180631.0-sha.e34705c3
Running phase: installCheckPhase
Executing versionCheckPhase
Successfully managed to find version 20260930.180631.0-sha.e34705c3 in the output of the command /nix/store/jk7jsidpsnaw7g8rfshndapnss0wx70v-swamp-20260930.180631.0-sha.e34705c3/bin/swamp --version
swamp 20260930.180631.0-sha.e34705c3
Finished versionCheckPhase
no Makefile or custom installCheckPhase, doing nothing