this derivation will be built:
  /nix/store/47hz1d9wxam2lhb3pbly2kqrv2br8a8v-x-create-mouse-void-0.1.drv
building '/nix/store/47hz1d9wxam2lhb3pbly2kqrv2br8a8v-x-create-mouse-void-0.1.drv'
x-create-mouse-void-0.1> unpacking sources
x-create-mouse-void-0.1> unpacking source archive /nix/store/z9xxyihw7ni0gygnbgl57nyfzpk9c1ix-source
x-create-mouse-void-0.1> source root is source
x-create-mouse-void-0.1> patching sources
x-create-mouse-void-0.1> configuring
x-create-mouse-void-0.1> no configure script, doing nothing
x-create-mouse-void-0.1> building
x-create-mouse-void-0.1> build flags: SHELL=/nix/store/mysyx2ms2gm0n425gsz1hvwfk1jn1f9c-bash-5.1-p16/bin/bash
x-create-mouse-void-0.1> gcc  XCreateMouseVoid.c -lX11 -o XCreateMouseVoid
x-create-mouse-void-0.1> installing
x-create-mouse-void-0.1> mkdir: created directory '/nix/store/jzz7d4j3caynylwajipmdg7qv73wca3k-x-create-mouse-void-0.1'
x-create-mouse-void-0.1> mkdir: created directory '/nix/store/jzz7d4j3caynylwajipmdg7qv73wca3k-x-create-mouse-void-0.1/bin'
x-create-mouse-void-0.1> post-installation fixup
x-create-mouse-void-0.1> shrinking RPATHs of ELF executables and libraries in /nix/store/jzz7d4j3caynylwajipmdg7qv73wca3k-x-create-mouse-void-0.1
x-create-mouse-void-0.1> shrinking /nix/store/jzz7d4j3caynylwajipmdg7qv73wca3k-x-create-mouse-void-0.1/bin/x-create-mouse-void
x-create-mouse-void-0.1> strip is /nix/store/rkwixq2wda45gxx7zg1qh329zhkbvzzb-gcc-wrapper-11.3.0/bin/strip
x-create-mouse-void-0.1> stripping (with command strip and flags -S) in  /nix/store/jzz7d4j3caynylwajipmdg7qv73wca3k-x-create-mouse-void-0.1/bin
x-create-mouse-void-0.1> patching script interpreter paths in /nix/store/jzz7d4j3caynylwajipmdg7qv73wca3k-x-create-mouse-void-0.1
x-create-mouse-void-0.1> checking for references to /build/ in /nix/store/jzz7d4j3caynylwajipmdg7qv73wca3k-x-create-mouse-void-0.1...

upload niks3: ok