this derivation will be built: /nix/store/i6ds1cjvz2j0gc9w0zmc0cd8rkpm3vm1-gastown-1.2.1.drv building '/nix/store/i6ds1cjvz2j0gc9w0zmc0cd8rkpm3vm1-gastown-1.2.1.drv' gastown-1.2.1> Using versionCheckHook gastown-1.2.1> Running phase: unpackPhase gastown-1.2.1> unpacking source archive /nix/store/y7x9b4ilnn4ph9hy886bnp0kmisd0fqk-source gastown-1.2.1> source root is source gastown-1.2.1> Running phase: patchPhase gastown-1.2.1> Running phase: updateAutotoolsGnuConfigScriptsPhase gastown-1.2.1> Running phase: configurePhase gastown-1.2.1> Running phase: buildPhase gastown-1.2.1> Building subPackage ./cmd/gt gastown-1.2.1> Running phase: installPhase gastown-1.2.1> Running phase: fixupPhase gastown-1.2.1> shrinking RPATHs of ELF executables and libraries in /nix/store/648jh1vx7gsm3ddll2m67m8swihswan4-gastown-1.2.1 gastown-1.2.1> shrinking /nix/store/648jh1vx7gsm3ddll2m67m8swihswan4-gastown-1.2.1/bin/.gt-wrapped gastown-1.2.1> checking for references to /build/ in /nix/store/648jh1vx7gsm3ddll2m67m8swihswan4-gastown-1.2.1... gastown-1.2.1> patching script interpreter paths in /nix/store/648jh1vx7gsm3ddll2m67m8swihswan4-gastown-1.2.1 gastown-1.2.1> stripping (with command strip and flags -S -p) in /nix/store/648jh1vx7gsm3ddll2m67m8swihswan4-gastown-1.2.1/bin gastown-1.2.1> Running phase: installCheckPhase gastown-1.2.1> Executing versionCheckPhase gastown-1.2.1> Successfully managed to find version 1.2.1 in the output of the command /nix/store/648jh1vx7gsm3ddll2m67m8swihswan4-gastown-1.2.1/bin/gt --version gastown-1.2.1> gt version 1.2.1 gastown-1.2.1> Finished versionCheckPhase gastown-1.2.1> no Makefile or custom installCheckPhase, doing nothing upload niks3: ok