Running phase: unpackPhase
unpacking sources
unpacking source archive /nix/store/y78x1lgvh7hhm2dip8rz5xllnpsrbd0z-source
source root is source
Running phase: patchPhase
patching sources
applying patch /nix/store/9gb2m19gxadjbadjznxcw1wshlp1l1n3-rack-minimize-vendoring.patch
patching file Makefile
Running phase: configurePhase
configuring
no configure script, doing nothing
Running phase: buildPhase
building
build flags: SHELL=/nix/store/mysyx2ms2gm0n425gsz1hvwfk1jn1f9c-bash-5.1-p16/bin/bash all plugins
arch.mk:17: *** Could not determine CPU architecture of i686-unknown-linux-gnu.  Stop.