this derivation will be built:
  /nix/store/dkfrv46msfm4kly72ppg0bafxwv5z5x0-symbola-13.00.drv
building '/nix/store/7l0w2y2ahf8mj2052xzd0afy5kmkk8dq-symbola-13.00.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'
building '/nix/store/7l0w2y2ahf8mj2052xzd0afy5kmkk8dq-symbola-13.00.drv' on farm.numtide.com:50051
symbola-13.00> elastic-arm-99e59b18: building 7l0w2y2ahf8mj2052xzd0afy5kmkk8dq-symbola-13.00.drv
symbola-13.00> 
symbola-13.00> trying https://dn-works.com/wp-content/uploads/2020/UFAS-Fonts/Symbola.zip
symbola-13.00>   % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
symbola-13.00>                                  Dload  Upload   Total   Spent    Left  Speed
symbola-13.00>   0     0    0     0    0     0      0      0 --:--:--  0:00:02 --:--:--     0
symbola-13.00> curl: (22) The requested URL returned error: 404
symbola-13.00> error: cannot download symbola-13.00 from any mirror
7l0w2y2ahf8mj2052xzd0afy5kmkk8dq-symbola-13.00.drv: elastic-arm-99e59b18: error: Cannot build '/nix/store/7l0w2y2ahf8mj2052xzd0afy5kmkk8dq-symbola-13.00.drv'., asking the scheduler again
7l0w2y2ahf8mj2052xzd0afy5kmkk8dq-symbola-13.00.drv: elastic-arm-99e59b18: not scheduled here: 7l0w2y2ahf8mj2052xzd0afy5kmkk8dq-symbola-13.00.drv, asking the scheduler again
building '/nix/store/7l0w2y2ahf8mj2052xzd0afy5kmkk8dq-symbola-13.00.drv' on farm.numtide.com:50051
symbola-13.00> elastic-arm-f5251078: building 7l0w2y2ahf8mj2052xzd0afy5kmkk8dq-symbola-13.00.drv
symbola-13.00> 
symbola-13.00> trying https://dn-works.com/wp-content/uploads/2020/UFAS-Fonts/Symbola.zip
symbola-13.00>   % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
symbola-13.00>                                  Dload  Upload   Total   Spent    Left  Speed
symbola-13.00>   0     0    0     0    0     0      0      0 --:--:--  0:00:02 --:--:--     0
symbola-13.00> curl: (22) The requested URL returned error: 404
symbola-13.00> error: cannot download symbola-13.00 from any mirror
7l0w2y2ahf8mj2052xzd0afy5kmkk8dq-symbola-13.00.drv: elastic-arm-f5251078: error: Cannot build '/nix/store/7l0w2y2ahf8mj2052xzd0afy5kmkk8dq-symbola-13.00.drv'., asking the scheduler again
building '/nix/store/7l0w2y2ahf8mj2052xzd0afy5kmkk8dq-symbola-13.00.drv' on farm.numtide.com:50051
symbola-13.00> elastic-arm-f5251078: building 7l0w2y2ahf8mj2052xzd0afy5kmkk8dq-symbola-13.00.drv
symbola-13.00> 
symbola-13.00> trying https://dn-works.com/wp-content/uploads/2020/UFAS-Fonts/Symbola.zip
symbola-13.00>   % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
symbola-13.00>                                  Dload  Upload   Total   Spent    Left  Speed
symbola-13.00>   0     0    0     0    0     0      0      0 --:--:--  0:00:02 --:--:--     0
symbola-13.00> curl: (22) The requested URL returned error: 404
symbola-13.00> error: cannot download symbola-13.00 from any mirror
7l0w2y2ahf8mj2052xzd0afy5kmkk8dq-symbola-13.00.drv: elastic-arm-f5251078: error: Cannot build '/nix/store/7l0w2y2ahf8mj2052xzd0afy5kmkk8dq-symbola-13.00.drv'., asking the scheduler again
building '/nix/store/7l0w2y2ahf8mj2052xzd0afy5kmkk8dq-symbola-13.00.drv' on farm.numtide.com:50051
symbola-13.00> elastic-arm-f5251078: building 7l0w2y2ahf8mj2052xzd0afy5kmkk8dq-symbola-13.00.drv
symbola-13.00> 
symbola-13.00> trying https://dn-works.com/wp-content/uploads/2020/UFAS-Fonts/Symbola.zip
symbola-13.00>   % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
symbola-13.00>                                  Dload  Upload   Total   Spent    Left  Speed
symbola-13.00>   0     0    0     0    0     0      0      0 --:--:--  0:00:02 --:--:--     0
symbola-13.00> curl: (22) The requested URL returned error: 404
symbola-13.00> error: cannot download symbola-13.00 from any mirror
7l0w2y2ahf8mj2052xzd0afy5kmkk8dq-symbola-13.00.drv: elastic-arm-f5251078: error: Cannot build '/nix/store/7l0w2y2ahf8mj2052xzd0afy5kmkk8dq-symbola-13.00.drv'., asking the scheduler again
7l0w2y2ahf8mj2052xzd0afy5kmkk8dq-symbola-13.00.drv: elastic-arm-f5251078: not scheduled here: 7l0w2y2ahf8mj2052xzd0afy5kmkk8dq-symbola-13.00.drv, asking the scheduler again
building '/nix/store/7l0w2y2ahf8mj2052xzd0afy5kmkk8dq-symbola-13.00.drv' on farm.numtide.com:50051
symbola-13.00> elastic-arm-2204a1ee: building 7l0w2y2ahf8mj2052xzd0afy5kmkk8dq-symbola-13.00.drv
symbola-13.00> 
symbola-13.00> trying https://dn-works.com/wp-content/uploads/2020/UFAS-Fonts/Symbola.zip
symbola-13.00>   % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
symbola-13.00>                                  Dload  Upload   Total   Spent    Left  Speed
symbola-13.00>   0     0    0     0    0     0      0      0 --:--:--  0:00:02 --:--:--     0
symbola-13.00> curl: (22) The requested URL returned error: 404
symbola-13.00> error: cannot download symbola-13.00 from any mirror
7l0w2y2ahf8mj2052xzd0afy5kmkk8dq-symbola-13.00.drv: elastic-arm-2204a1ee: error: Cannot build '/nix/store/7l0w2y2ahf8mj2052xzd0afy5kmkk8dq-symbola-13.00.drv'., asking the scheduler again
building '/nix/store/7l0w2y2ahf8mj2052xzd0afy5kmkk8dq-symbola-13.00.drv' on farm.numtide.com:50051
symbola-13.00> elastic-arm-0a911f46: building 7l0w2y2ahf8mj2052xzd0afy5kmkk8dq-symbola-13.00.drv
symbola-13.00> 
symbola-13.00> trying https://dn-works.com/wp-content/uploads/2020/UFAS-Fonts/Symbola.zip
symbola-13.00>   % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
symbola-13.00>                                  Dload  Upload   Total   Spent    Left  Speed
symbola-13.00>   0     0    0     0    0     0      0      0 --:--:--  0:00:01 --:--:--     0
symbola-13.00> curl: (22) The requested URL returned error: 404
symbola-13.00> error: cannot download symbola-13.00 from any mirror
7l0w2y2ahf8mj2052xzd0afy5kmkk8dq-symbola-13.00.drv: elastic-arm-0a911f46: error: Cannot build '/nix/store/7l0w2y2ahf8mj2052xzd0afy5kmkk8dq-symbola-13.00.drv'., asking the scheduler again
building '/nix/store/7l0w2y2ahf8mj2052xzd0afy5kmkk8dq-symbola-13.00.drv' on farm.numtide.com:50051
symbola-13.00> elastic-arm-0a911f46: building 7l0w2y2ahf8mj2052xzd0afy5kmkk8dq-symbola-13.00.drv
symbola-13.00> 
symbola-13.00> trying https://dn-works.com/wp-content/uploads/2020/UFAS-Fonts/Symbola.zip
symbola-13.00>   % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
symbola-13.00>                                  Dload  Upload   Total   Spent    Left  Speed
symbola-13.00>   0     0    0     0    0     0      0      0 --:--:--  0:00:01 --:--:--     0
symbola-13.00> curl: (22) The requested URL returned error: 404
symbola-13.00> error: cannot download symbola-13.00 from any mirror
7l0w2y2ahf8mj2052xzd0afy5kmkk8dq-symbola-13.00.drv: elastic-arm-0a911f46: error: Cannot build '/nix/store/7l0w2y2ahf8mj2052xzd0afy5kmkk8dq-symbola-13.00.drv'., asking the scheduler again
error: build of '/nix/store/7l0w2y2ahf8mj2052xzd0afy5kmkk8dq-symbola-13.00.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: gave up after 9 reschedules
error: Cannot build '/nix/store/7l0w2y2ahf8mj2052xzd0afy5kmkk8dq-symbola-13.00.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/xk3cvw9y5hgs0qrs2m4m0fdbxicjd0vz-symbola-13.00
error: build of resolved derivation '/nix/store/7l0w2y2ahf8mj2052xzd0afy5kmkk8dq-symbola-13.00.drv' failed