these 2 derivations will be built:
  /nix/store/m59v1yb82z2n7q68rmcry1wivcrnfyda-VCV-Rack.desktop.drv
  /nix/store/6093bl23qmvidv87bwmp65wjnyxivv2x-VCV-Rack-2.2.1.drv
these 45 paths will be fetched (7.5 MiB download, 79.0 MiB unpacked):
  /nix/store/7ik4y9inh1zb1r29v9w66h1x6grcpil3-acl-2.3.1-bin
  /nix/store/mmrgqmadaj4ad0yhln9bpqrv1nw3h8zl-acl-2.3.1-dev
  /nix/store/8hlvw6iaj01ygnz67sgk4xnr5f609s34-djvulibre-3.5.28-bin
  /nix/store/mkdlr4sfwp2hvppgk5mng0b9m1hw7vyb-djvulibre-3.5.28-dev
  /nix/store/f334ybc3jd2xk1ap91fwsfqm1i3lyg27-filesystem-1.5.12
  /nix/store/j3zi5d7bxlv6bs8m8k0jlljc0c5vjq77-glfw-3.3.8
  /nix/store/av4jaqgm8lc32z976kna886wskvj25xs-ilmbase-2.5.8-dev
  /nix/store/kmb4gsx04czf5kwjn94sdp7335w51klv-imagemagick-7.1.0-57-dev
  /nix/store/avagpx3z6ixhanb76czxw31zzjp10sls-imagemagick-7.1.0-57-doc
  /nix/store/m7dgq8fz4v6zb0cjm4v1x9bf1s27xmws-jq-1.6-bin
  /nix/store/4r2alhi404jszdbiq4hfh440hqklslv1-jq-1.6-dev
  /nix/store/48fq5a5q6p93i6k1728mla1zkblx1cf1-jq-1.6-lib
  /nix/store/6pa3w2gkc8vsl6rxq6w7890y4yjpwdgv-lcms2-2.13.1-bin
  /nix/store/zck1g5rnkjr54y7ai2g08nj8qcnal82p-lcms2-2.13.1-dev
  /nix/store/xb10g1a4sjqnpv107v7p3mnn138kw0pd-libXt-1.2.1-dev
  /nix/store/yhk2kd6isldld8y5pnh2l7x5q0nvkzn0-libarchive-3.6.1
  /nix/store/4kn7whixx8sm2pirljz9pblf4q4lcchm-libarchive-3.6.1-dev
  /nix/store/zhrsvnn458xa0sj93qk9yf6hdap21sxg-libheif-1.14.0-bin
  /nix/store/7dpbgabssnc85vpzvjz6ymdslp0z80gy-libheif-1.14.0-dev
  /nix/store/d7rfqp9hgkp45fjs8bgwywb22qsm6f2a-libhwy-1.0.2
  /nix/store/dk6v2fzsvifx58a1mzm66ixwj6f2z8lf-libicns-0.8.1
  /nix/store/flkscypicfix4l24ili5dslajq4hnfz3-libjxl-0.7.0-dev
  /nix/store/ddl4bvcsxsfv4by9cnfk6fz0303fi99y-liblqr-1-0.4.2-dev
  /nix/store/q030nz3ihv3vw6ccizikvjdiag4y7n5p-libraw-0.20.2.p2
  /nix/store/2nbi7mrcw9g5jxvj0ivbb3ykvx2i6ycp-libraw-0.20.2.p2-dev
  /nix/store/x8y4hydh9vmlvqc6plf3w1wr6dlxv4y1-librsvg-2.55.1-dev
  /nix/store/r7ggcrdkv5baphv8i3k6yni4fsn838qp-libsamplerate-0.1.9-dev
  /nix/store/51facgl26vj0kc7gz81mfp6i6qli1364-onig-6.9.8
  /nix/store/l72ck9gh4h114pz48h84s9da67hvch8z-openexr-2.5.8-bin
  /nix/store/65808lp50ysm747p7yr5fz0y37iqp2lj-openexr-2.5.8-dev
  /nix/store/v2fpjvcpnlgifrml06css8zljsnd1l5v-openjpeg-2.5.0-dev
  /nix/store/3b77abzw1r1lj13pfhy54w2yd500i7rx-rtmidi-5.0.0
  /nix/store/13hwzffb6hrsf2sa4xr7k8l7w7c6rx7p-source
  /nix/store/1h9sb72fw8wbngk6301j2w3wfk3f6bvf-source
  /nix/store/2xc1hqzrfgyhw2bzsbxszikkl1nnc6i6-source
  /nix/store/83q4lc2crcdybgrhk0cc247lp6gsb5hh-source
  /nix/store/h1h5s4h83k74cqmhfjfp84zczq216i36-source
  /nix/store/hcii39b5jq80aqyx34a56a1rzi40r8q9-source
  /nix/store/rgl17lrzfhw2a36vxm67mpny3pdz62dl-source
  /nix/store/y78x1lgvh7hhm2dip8rz5xllnpsrbd0z-source
  /nix/store/ybmkzl9vp7bn48vacns9w5aay9xm37kz-source
  /nix/store/yrq3306msmzv3s02474af2gr6xakbm7b-source
  /nix/store/s692fi4pqnhy1ghdxxpa0l1y3k2skp6m-speexdsp-1.2.1-dev
  /nix/store/irn9jvxyqggxqyxrgl8rfvv9w6z0n4xw-vcv-rtaudio-unstable-2020-01-30
  /nix/store/228axl3m58z4xx67lsjzf7mdr88pjff1-wrap-gapps-hook
error: Cannot build '/nix/store/6093bl23qmvidv87bwmp65wjnyxivv2x-VCV-Rack-2.2.1.drv'.
       Reason: builder failed with exit code 2.
       Output paths:
         /nix/store/2l4409xm1snrashh9cyc23xjnk14qw3z-VCV-Rack-2.2.1
       Last 11 log lines:
       > unpacking sources
       > unpacking source archive /nix/store/y78x1lgvh7hhm2dip8rz5xllnpsrbd0z-source
       > source root is source
       > patching sources
       > applying patch /nix/store/9gb2m19gxadjbadjznxcw1wshlp1l1n3-rack-minimize-vendoring.patch
       > patching file Makefile
       > configuring
       > no configure script, doing nothing
       > 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.
       For full logs, run:
         nix log /nix/store/6093bl23qmvidv87bwmp65wjnyxivv2x-VCV-Rack-2.2.1.drv