these 2 derivations will be built:
  /nix/store/8q748bqhhb6n3jg6mzb604ml2h8k3bmx-source.drv
  /nix/store/0v09v5lxpl98nhbnrwlj8m9nm5qm25r8-video-cutter-unstable-2021-02-03.drv
building '/nix/store/md13jbnkm5p6gr12mqzrn0myaqqkjjkf-source.drv' on 'grpc://farm.numtide.com:50051?client-cert=/run/secrets/vars/per-machine/bld1/nix-farm-ci/crt&client-key=/run/secrets/vars/per-machine/bld1/nix-farm-ci/key&connect-timeout=22&system=aarch64-linux'
building '/nix/store/md13jbnkm5p6gr12mqzrn0myaqqkjjkf-source.drv' on farm.numtide.com:50051
source> elastic-arm-4e524f5e: building md13jbnkm5p6gr12mqzrn0myaqqkjjkf-source.drv
source> 
source> trying https://github.com/rushmj/mpv-video-cutter/archive/718d6ce9356e63fdd47208ec44f575a212b9068a.tar.gz
source>   % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
source>                                  Dload  Upload   Total   Spent    Left  Speed
source>   0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
source> 100  3398    0  3398    0     0   7066      0 --:--:-- --:--:-- --:--:--  7066
source> unpacking source archive /build/718d6ce9356e63fdd47208ec44f575a212b9068a.tar.gz
building '/nix/store/0v09v5lxpl98nhbnrwlj8m9nm5qm25r8-video-cutter-unstable-2021-02-03.drv' on 'grpc://farm.numtide.com:50051?client-cert=/run/secrets/vars/per-machine/bld1/nix-farm-ci/crt&client-key=/run/secrets/vars/per-machine/bld1/nix-farm-ci/key&connect-timeout=22&system=aarch64-linux'
building '/nix/store/0v09v5lxpl98nhbnrwlj8m9nm5qm25r8-video-cutter-unstable-2021-02-03.drv' on farm.numtide.com:50051
video-cutter-unstable-2021-02-03> elastic-arm-0f89b4f7: building 0v09v5lxpl98nhbnrwlj8m9nm5qm25r8-video-cutter-unstable-2021-02-03.drv
video-cutter-unstable-2021-02-03> unpacking sources
video-cutter-unstable-2021-02-03> unpacking source archive /nix/store/46hsik9z8ylvlg2vppxr5rh6vlva8pw4-source
video-cutter-unstable-2021-02-03> source root is source
video-cutter-unstable-2021-02-03> patching sources
video-cutter-unstable-2021-02-03> updateAutotoolsGnuConfigScriptsPhase
video-cutter-unstable-2021-02-03> configuring
video-cutter-unstable-2021-02-03> no configure script, doing nothing
video-cutter-unstable-2021-02-03> installing
video-cutter-unstable-2021-02-03> post-installation fixup
video-cutter-unstable-2021-02-03> shrinking RPATHs of ELF executables and libraries in /nix/store/w2y1pjg3rb0gia4jsr57smidpxndqnyy-video-cutter-unstable-2021-02-03
video-cutter-unstable-2021-02-03> patching script interpreter paths in /nix/store/w2y1pjg3rb0gia4jsr57smidpxndqnyy-video-cutter-unstable-2021-02-03
video-cutter-unstable-2021-02-03> /nix/store/w2y1pjg3rb0gia4jsr57smidpxndqnyy-video-cutter-unstable-2021-02-03/share/mpv/scripts/.c_concat.sh-wrapped: interpreter directive changed from "#!/bin/bash" to "/nix/store/m45cjiwspshg01wrk2pln2qndasky23r-bash-5.1-p16/bin/bash"
video-cutter-unstable-2021-02-03> checking for references to /build/ in /nix/store/w2y1pjg3rb0gia4jsr57smidpxndqnyy-video-cutter-unstable-2021-02-03...

upload niks3: ok