this derivation will be built:
  /nix/store/7fczsw1mbfg6c4sha9xn8g0xw4jlm88w-nrf5-sdk-17.1.0.drv
building '/nix/store/7fczsw1mbfg6c4sha9xn8g0xw4jlm88w-nrf5-sdk-17.1.0.drv'
nrf5-sdk-17.1.0> unpacking sources
nrf5-sdk-17.1.0> unpacking source archive /nix/store/zmgyhqs8pwq38rkvddq6bz202ksnaivj-source
nrf5-sdk-17.1.0> source root is source
nrf5-sdk-17.1.0> unpackPhase completed in 39 seconds
nrf5-sdk-17.1.0> patching sources
nrf5-sdk-17.1.0> installing
nrf5-sdk-17.1.0> post-installation fixup
nrf5-sdk-17.1.0> shrinking RPATHs of ELF executables and libraries in /nix/store/s5j2z05m7ph9c0cjj5hyfp8k1j4baafr-nrf5-sdk-17.1.0
nrf5-sdk-17.1.0> strip is /nix/store/rkwixq2wda45gxx7zg1qh329zhkbvzzb-gcc-wrapper-11.3.0/bin/strip
nrf5-sdk-17.1.0> patching script interpreter paths in /nix/store/s5j2z05m7ph9c0cjj5hyfp8k1j4baafr-nrf5-sdk-17.1.0
nrf5-sdk-17.1.0> checking for references to /build/ in /nix/store/s5j2z05m7ph9c0cjj5hyfp8k1j4baafr-nrf5-sdk-17.1.0...
nrf5-sdk-17.1.0> fixupPhase completed in 1 minutes 50 seconds

upload niks3: ok