Running phase: unpackPhase
unpacking source archive /nix/store/90fm3ajsjxd6sginph1nfmagn8s07icp-Firefox-20153.0.3.dmg
source root is .
setting SOURCE_DATE_EPOCH to timestamp 1786237725 of file "./Firefox.app/Contents/Resources/XUL.sig"
warning: file "./Firefox.app/Contents/Resources/XUL.sig" 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: glibPreInstallPhase
Running phase: installPhase
Running phase: gappsWrapperArgsHook
Running phase: dropIconThemeCache