these 5 derivations will be built:
  /nix/store/rhwhqc1vyb8zg8xncy4cm0s05xy0wfz5-source.drv
  /nix/store/qyla4d0083h7jv9l32xb6c8g0jcryqbj-omp-18.2.11-cargo-vendor-vendor-staging.drv
  /nix/store/rwkxgg2gs08vfm3fs9sz7j41jrcgacgl-omp-18.2.11-cargo-vendor-vendor.drv
  /nix/store/l542kfqn4m70q5w0fz86pxcd62skn7sy-omp-18.2.11.drv
  /nix/store/7rq2ldap3268mm3h3qwykihr7zgdfkwr-check-omp.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
l542kfqn4m70q5w0fz86pxcd62skn7sy-omp-18.2.11.drv: Stream removed (RST_STREAM (Received RST_STREAM with error code 2)), asking the scheduler again
l542kfqn4m70q5w0fz86pxcd62skn7sy-omp-18.2.11.drv: no healthy upstream, asking the scheduler again
warning: l542kfqn4m70q5w0fz86pxcd62skn7sy-omp-18.2.11.drv: no connected, non-draining worker for system 'aarch64-linux' offers features {}, the workers offer {}, waiting up to 120s for a worker
l542kfqn4m70q5w0fz86pxcd62skn7sy-omp-18.2.11.drv: no connected, non-draining worker for system 'aarch64-linux' offers features {}, the workers offer {}
error: build of '/nix/store/l542kfqn4m70q5w0fz86pxcd62skn7sy-omp-18.2.11.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=21&system=aarch64-linux' failed: no connected, non-draining worker for system 'aarch64-linux' offers features {}, the workers offer {}
error: Cannot build '/nix/store/l542kfqn4m70q5w0fz86pxcd62skn7sy-omp-18.2.11.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/j4pvzfzii9gyb766rivp0wyk3k841gy0-omp-18.2.11
error: Cannot build '/nix/store/7rq2ldap3268mm3h3qwykihr7zgdfkwr-check-omp.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/y78kyz97jl9mn22zq3ikl85ghyz0n2r5-check-omp