these 2 derivations will be built:
  /nix/store/swnwq7w4ncf0jigfw3rmvq327784sn2c-TOSHIBA_ColorMFP_CUPS.tar.drv
  /nix/store/b7byvpb77nignk0ybha01n1lnxzwy6gb-cups-toshiba-estudio-7.89.drv
building '/nix/store/k7cxj5aksf4k3az7w0ivwpdlqksnd27b-TOSHIBA_ColorMFP_CUPS.tar.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=20&system=aarch64-linux'
building '/nix/store/k7cxj5aksf4k3az7w0ivwpdlqksnd27b-TOSHIBA_ColorMFP_CUPS.tar.drv' on farm.numtide.com:50051
TOSHIBA_ColorMFP_CUPS.tar> elastic-arm-c7c4897b: building k7cxj5aksf4k3az7w0ivwpdlqksnd27b-TOSHIBA_ColorMFP_CUPS.tar.drv
TOSHIBA_ColorMFP_CUPS.tar> 
TOSHIBA_ColorMFP_CUPS.tar> trying http://business.toshiba.com/downloads/KB/f1Ulds/15178/TOSHIBA_ColorMFP_CUPS.tar
TOSHIBA_ColorMFP_CUPS.tar>   % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
TOSHIBA_ColorMFP_CUPS.tar>                                  Dload  Upload   Total   Spent    Left  Speed
TOSHIBA_ColorMFP_CUPS.tar> 100   288  100   288    0     0   1121      0 --:--:-- --:--:-- --:--:--  1125
TOSHIBA_ColorMFP_CUPS.tar> 100 51200  100 51200    0     0  62073      0 --:--:-- --:--:-- --:--:--  136k
building '/nix/store/b7byvpb77nignk0ybha01n1lnxzwy6gb-cups-toshiba-estudio-7.89.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=20&system=aarch64-linux'
building '/nix/store/b7byvpb77nignk0ybha01n1lnxzwy6gb-cups-toshiba-estudio-7.89.drv' on farm.numtide.com:50051
cups-toshiba-estudio-7.89> elastic-arm-4e524f5e: building b7byvpb77nignk0ybha01n1lnxzwy6gb-cups-toshiba-estudio-7.89.drv
cups-toshiba-estudio-7.89> unpacking sources
cups-toshiba-estudio-7.89> unpacking source archive /nix/store/747jrz8fwlrqcn583b5jzmw20945p6qh-TOSHIBA_ColorMFP_CUPS.tar
cups-toshiba-estudio-7.89> tar: Removing leading `/' from member names
cups-toshiba-estudio-7.89> source root is usr
cups-toshiba-estudio-7.89> setting SOURCE_DATE_EPOCH to timestamp 1502150982 of file usr/share/cups/model/Toshiba/TOSHIBA_ColorMFP_CUPS.gz
cups-toshiba-estudio-7.89> patching sources
cups-toshiba-estudio-7.89> patching script interpreter paths in lib/
cups-toshiba-estudio-7.89> lib/cups/filter/est6550_Authentication: interpreter directive changed from "#!/usr/bin/perl -w" to "/nix/store/qjkhzhzav2bkifw5kis91ckzv9sjjpj7-perl-5.36.0/bin/perl -w"
cups-toshiba-estudio-7.89> updateAutotoolsGnuConfigScriptsPhase
cups-toshiba-estudio-7.89> configuring
cups-toshiba-estudio-7.89> no configure script, doing nothing
cups-toshiba-estudio-7.89> building
cups-toshiba-estudio-7.89> no Makefile, doing nothing
cups-toshiba-estudio-7.89> installing
cups-toshiba-estudio-7.89> post-installation fixup
cups-toshiba-estudio-7.89> shrinking RPATHs of ELF executables and libraries in /nix/store/mvg7w1cbbrcq1nakdmbrj58g0765xg42-cups-toshiba-estudio-7.89
cups-toshiba-estudio-7.89> strip is /nix/store/jm6gqq369d0vd9pz3b7swn2vyycygdb9-gcc-wrapper-9.5.0/bin/strip
cups-toshiba-estudio-7.89> stripping (with command strip and flags -S) in  /nix/store/mvg7w1cbbrcq1nakdmbrj58g0765xg42-cups-toshiba-estudio-7.89/lib
cups-toshiba-estudio-7.89> patching script interpreter paths in /nix/store/mvg7w1cbbrcq1nakdmbrj58g0765xg42-cups-toshiba-estudio-7.89
cups-toshiba-estudio-7.89> checking for references to /build/ in /nix/store/mvg7w1cbbrcq1nakdmbrj58g0765xg42-cups-toshiba-estudio-7.89...

upload niks3: ok