these 2 derivations will be built:
  /nix/store/9qpy4gq889l2lj2ywsmw35j3c673nxw9-edukai-4.0.drv
  /nix/store/ancmi8h9hjkkmphda5gb908w14irb1bq-edukai-4.0.drv
building '/nix/store/zyhgz4f23v23x19hc3fzwhvivlm6cn08-edukai-4.0.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=23&system=aarch64-linux'
building '/nix/store/zyhgz4f23v23x19hc3fzwhvivlm6cn08-edukai-4.0.drv' on farm.numtide.com:50051
edukai-4.0> elastic-arm-99e59b18: building zyhgz4f23v23x19hc3fzwhvivlm6cn08-edukai-4.0.drv
edukai-4.0> 
edukai-4.0> trying http://language.moe.gov.tw/001/Upload/Files/site_content/M0001/edukai-4.0.zip
edukai-4.0>   % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
edukai-4.0>                                  Dload  Upload   Total   Spent    Left  Speed
edukai-4.0>   0     0    0     0    0     0      0      0 --:--:--  0:02:15 --:--:--     0
edukai-4.0> curl: (28) Failed to connect to language.moe.gov.tw port 80 after 135548 ms: Couldn't connect to server
edukai-4.0> Warning: Problem : timeout. Will retry in 1 seconds. 3 retries left.
edukai-4.0>   0     0    0     0    0     0      0      0 --:--:--  0:02:14 --:--:--     0
edukai-4.0> curl: (28) Failed to connect to language.moe.gov.tw port 80 after 134162 ms: Couldn't connect to server
edukai-4.0> Warning: Problem : timeout. Will retry in 2 seconds. 2 retries left.
edukai-4.0>   0     0    0     0    0     0      0      0 --:--:--  0:02:15 --:--:--     0
edukai-4.0> curl: (28) Failed to connect to language.moe.gov.tw port 80 after 135216 ms: Couldn't connect to server
edukai-4.0> Warning: Problem : timeout. Will retry in 4 seconds. 1 retries left.
edukai-4.0>   0     0    0     0    0     0      0      0 --:--:--  0:02:15 --:--:--     0
edukai-4.0> curl: (28) Failed to connect to language.moe.gov.tw port 80 after 135261 ms: Couldn't connect to server
edukai-4.0> error: cannot download edukai-4.0 from any mirror
zyhgz4f23v23x19hc3fzwhvivlm6cn08-edukai-4.0.drv: elastic-arm-99e59b18: error: Cannot build '/nix/store/zyhgz4f23v23x19hc3fzwhvivlm6cn08-edukai-4.0.drv'., asking the scheduler again
building '/nix/store/zyhgz4f23v23x19hc3fzwhvivlm6cn08-edukai-4.0.drv' on farm.numtide.com:50051
edukai-4.0> elastic-arm-6cbc966c: building zyhgz4f23v23x19hc3fzwhvivlm6cn08-edukai-4.0.drv
edukai-4.0> 
edukai-4.0> trying http://language.moe.gov.tw/001/Upload/Files/site_content/M0001/edukai-4.0.zip
edukai-4.0>   % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
edukai-4.0>                                  Dload  Upload   Total   Spent    Left  Speed
edukai-4.0>   0     0    0     0    0     0      0      0 --:--:--  0:02:19 --:--:--     0
edukai-4.0> curl: (28) Failed to connect to language.moe.gov.tw port 80 after 139519 ms: Couldn't connect to server
edukai-4.0> Warning: Problem : timeout. Will retry in 1 seconds. 3 retries left.
edukai-4.0>   0     0    0     0    0     0      0      0 --:--:--  0:02:14 --:--:--     0
edukai-4.0> curl: (28) Failed to connect to language.moe.gov.tw port 80 after 134166 ms: Couldn't connect to server
edukai-4.0> Warning: Problem : timeout. Will retry in 2 seconds. 2 retries left.
edukai-4.0>   0     0    0     0    0     0      0      0 --:--:--  0:02:15 --:--:--     0
edukai-4.0> curl: (28) Failed to connect to language.moe.gov.tw port 80 after 135214 ms: Couldn't connect to server
edukai-4.0> Warning: Problem : timeout. Will retry in 4 seconds. 1 retries left.
edukai-4.0>   0     0    0     0    0     0      0      0 --:--:--  0:02:15 --:--:--     0
edukai-4.0> curl: (28) Failed to connect to language.moe.gov.tw port 80 after 135260 ms: Couldn't connect to server
edukai-4.0> error: cannot download edukai-4.0 from any mirror
zyhgz4f23v23x19hc3fzwhvivlm6cn08-edukai-4.0.drv: elastic-arm-6cbc966c: error: Cannot build '/nix/store/zyhgz4f23v23x19hc3fzwhvivlm6cn08-edukai-4.0.drv'., asking the scheduler again
building '/nix/store/zyhgz4f23v23x19hc3fzwhvivlm6cn08-edukai-4.0.drv' on farm.numtide.com:50051
edukai-4.0> elastic-arm-897091ec: building zyhgz4f23v23x19hc3fzwhvivlm6cn08-edukai-4.0.drv
edukai-4.0> 
edukai-4.0> trying http://language.moe.gov.tw/001/Upload/Files/site_content/M0001/edukai-4.0.zip
edukai-4.0>   % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
edukai-4.0>                                  Dload  Upload   Total   Spent    Left  Speed
edukai-4.0>   0     0    0     0    0     0      0      0 --:--:--  0:02:16 --:--:--     0
edukai-4.0> curl: (28) Failed to connect to language.moe.gov.tw port 80 after 136093 ms: Couldn't connect to server
edukai-4.0> Warning: Problem : timeout. Will retry in 1 seconds. 3 retries left.
edukai-4.0>   0     0    0     0    0     0      0      0 --:--:--  0:02:20 --:--:--     0
edukai-4.0> curl: (28) Failed to connect to language.moe.gov.tw port 80 after 140310 ms: Couldn't connect to server
edukai-4.0> Warning: Problem : timeout. Will retry in 2 seconds. 2 retries left.
edukai-4.0>   0     0    0     0    0     0      0      0 --:--:--  0:02:15 --:--:--     0
edukai-4.0> curl: (28) Failed to connect to language.moe.gov.tw port 80 after 135213 ms: Couldn't connect to server
edukai-4.0> Warning: Problem : timeout. Will retry in 4 seconds. 1 retries left.
edukai-4.0>   0     0    0     0    0     0      0      0 --:--:--  0:02:15 --:--:--     0
edukai-4.0> curl: (28) Failed to connect to language.moe.gov.tw port 80 after 135259 ms: Couldn't connect to server
edukai-4.0> error: cannot download edukai-4.0 from any mirror
zyhgz4f23v23x19hc3fzwhvivlm6cn08-edukai-4.0.drv: elastic-arm-897091ec: error: Cannot build '/nix/store/zyhgz4f23v23x19hc3fzwhvivlm6cn08-edukai-4.0.drv'., asking the scheduler again
building '/nix/store/zyhgz4f23v23x19hc3fzwhvivlm6cn08-edukai-4.0.drv' on farm.numtide.com:50051
edukai-4.0> elastic-arm-6cbc966c: building zyhgz4f23v23x19hc3fzwhvivlm6cn08-edukai-4.0.drv
edukai-4.0> 
edukai-4.0> trying http://language.moe.gov.tw/001/Upload/Files/site_content/M0001/edukai-4.0.zip
edukai-4.0>   % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
edukai-4.0>                                  Dload  Upload   Total   Spent    Left  Speed
edukai-4.0>   0     0    0     0    0     0      0      0 --:--:--  0:02:14 --:--:--     0
edukai-4.0> curl: (28) Failed to connect to language.moe.gov.tw port 80 after 134180 ms: Couldn't connect to server
edukai-4.0> Warning: Problem : timeout. Will retry in 1 seconds. 3 retries left.
edukai-4.0>   0     0    0     0    0     0      0      0 --:--:--  0:02:14 --:--:--     0
edukai-4.0> curl: (28) Failed to connect to language.moe.gov.tw port 80 after 134166 ms: Couldn't connect to server
edukai-4.0> Warning: Problem : timeout. Will retry in 2 seconds. 2 retries left.
edukai-4.0>   0     0    0     0    0     0      0      0 --:--:--  0:02:15 --:--:--     0
edukai-4.0> curl: (28) Failed to connect to language.moe.gov.tw port 80 after 135209 ms: Couldn't connect to server
edukai-4.0> Warning: Problem : timeout. Will retry in 4 seconds. 1 retries left.
edukai-4.0>   0     0    0     0    0     0      0      0 --:--:--  0:02:15 --:--:--     0
edukai-4.0> curl: (28) Failed to connect to language.moe.gov.tw port 80 after 135264 ms: Couldn't connect to server
edukai-4.0> error: cannot download edukai-4.0 from any mirror
zyhgz4f23v23x19hc3fzwhvivlm6cn08-edukai-4.0.drv: elastic-arm-6cbc966c: error: Cannot build '/nix/store/zyhgz4f23v23x19hc3fzwhvivlm6cn08-edukai-4.0.drv'., asking the scheduler again
building '/nix/store/zyhgz4f23v23x19hc3fzwhvivlm6cn08-edukai-4.0.drv' on farm.numtide.com:50051
edukai-4.0> elastic-arm-897091ec: building zyhgz4f23v23x19hc3fzwhvivlm6cn08-edukai-4.0.drv
edukai-4.0> 
edukai-4.0> trying http://language.moe.gov.tw/001/Upload/Files/site_content/M0001/edukai-4.0.zip
edukai-4.0>   % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
edukai-4.0>                                  Dload  Upload   Total   Spent    Left  Speed
edukai-4.0>   0     0    0     0    0     0      0      0 --:--:--  0:02:13 --:--:--     0
edukai-4.0> curl: (28) Failed to connect to language.moe.gov.tw port 80 after 133622 ms: Couldn't connect to server
edukai-4.0> Warning: Problem : timeout. Will retry in 1 seconds. 3 retries left.
edukai-4.0>   0     0    0     0    0     0      0      0 --:--:--  0:02:14 --:--:--     0
edukai-4.0> curl: (28) Failed to connect to language.moe.gov.tw port 80 after 134171 ms: Couldn't connect to server
edukai-4.0> Warning: Problem : timeout. Will retry in 2 seconds. 2 retries left.
edukai-4.0>   0     0    0     0    0     0      0      0 --:--:--  0:02:15 --:--:--     0
edukai-4.0> curl: (28) Failed to connect to language.moe.gov.tw port 80 after 135213 ms: Couldn't connect to server
edukai-4.0> Warning: Problem : timeout. Will retry in 4 seconds. 1 retries left.
edukai-4.0>   0     0    0     0    0     0      0      0 --:--:--  0:02:15 --:--:--     0
edukai-4.0> curl: (28) Failed to connect to language.moe.gov.tw port 80 after 135259 ms: Couldn't connect to server
edukai-4.0> error: cannot download edukai-4.0 from any mirror
zyhgz4f23v23x19hc3fzwhvivlm6cn08-edukai-4.0.drv: elastic-arm-897091ec: error: Cannot build '/nix/store/zyhgz4f23v23x19hc3fzwhvivlm6cn08-edukai-4.0.drv'., asking the scheduler again
building '/nix/store/zyhgz4f23v23x19hc3fzwhvivlm6cn08-edukai-4.0.drv' on farm.numtide.com:50051
edukai-4.0> elastic-arm-99e59b18: building zyhgz4f23v23x19hc3fzwhvivlm6cn08-edukai-4.0.drv
edukai-4.0> 
edukai-4.0> trying http://language.moe.gov.tw/001/Upload/Files/site_content/M0001/edukai-4.0.zip
edukai-4.0>   % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
edukai-4.0>                                  Dload  Upload   Total   Spent    Left  Speed
edukai-4.0>   0     0    0     0    0     0      0      0 --:--:--  0:02:16 --:--:--     0
edukai-4.0> curl: (28) Failed to connect to language.moe.gov.tw port 80 after 136608 ms: Couldn't connect to server
edukai-4.0> Warning: Problem : timeout. Will retry in 1 seconds. 3 retries left.
edukai-4.0>   0     0    0     0    0     0      0      0 --:--:--  0:02:16 --:--:--     0
edukai-4.0> curl: (28) Failed to connect to language.moe.gov.tw port 80 after 136216 ms: Couldn't connect to server
edukai-4.0> Warning: Problem : timeout. Will retry in 2 seconds. 2 retries left.
edukai-4.0>   0     0    0     0    0     0      0      0 --:--:--  0:02:15 --:--:--     0
edukai-4.0> curl: (28) Failed to connect to language.moe.gov.tw port 80 after 135213 ms: Couldn't connect to server
edukai-4.0> Warning: Problem : timeout. Will retry in 4 seconds. 1 retries left.
edukai-4.0>   0     0    0     0    0     0      0      0 --:--:--  0:02:15 --:--:--     0
edukai-4.0> curl: (28) Failed to connect to language.moe.gov.tw port 80 after 135259 ms: Couldn't connect to server
edukai-4.0> error: cannot download edukai-4.0 from any mirror
zyhgz4f23v23x19hc3fzwhvivlm6cn08-edukai-4.0.drv: elastic-arm-99e59b18: error: Cannot build '/nix/store/zyhgz4f23v23x19hc3fzwhvivlm6cn08-edukai-4.0.drv'., asking the scheduler again
building '/nix/store/zyhgz4f23v23x19hc3fzwhvivlm6cn08-edukai-4.0.drv' on farm.numtide.com:50051
edukai-4.0> elastic-arm-99e59b18: building zyhgz4f23v23x19hc3fzwhvivlm6cn08-edukai-4.0.drv
edukai-4.0> 
edukai-4.0> trying http://language.moe.gov.tw/001/Upload/Files/site_content/M0001/edukai-4.0.zip
edukai-4.0>   % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
edukai-4.0>                                  Dload  Upload   Total   Spent    Left  Speed
edukai-4.0>   0     0    0     0    0     0      0      0 --:--:--  0:02:13 --:--:--     0
edukai-4.0> curl: (28) Failed to connect to language.moe.gov.tw port 80 after 133716 ms: Couldn't connect to server
edukai-4.0> Warning: Problem : timeout. Will retry in 1 seconds. 3 retries left.
edukai-4.0>   0     0    0     0    0     0      0      0 --:--:--  0:02:14 --:--:--     0
edukai-4.0> curl: (28) Failed to connect to language.moe.gov.tw port 80 after 134170 ms: Couldn't connect to server
edukai-4.0> Warning: Problem : timeout. Will retry in 2 seconds. 2 retries left.
edukai-4.0>   0     0    0     0    0     0      0      0 --:--:--  0:02:15 --:--:--     0
edukai-4.0> curl: (28) Failed to connect to language.moe.gov.tw port 80 after 135210 ms: Couldn't connect to server
edukai-4.0> Warning: Problem : timeout. Will retry in 4 seconds. 1 retries left.
edukai-4.0>   0     0    0     0    0     0      0      0 --:--:--  0:02:15 --:--:--     0
edukai-4.0> curl: (28) Failed to connect to language.moe.gov.tw port 80 after 135259 ms: Couldn't connect to server
edukai-4.0> error: cannot download edukai-4.0 from any mirror
zyhgz4f23v23x19hc3fzwhvivlm6cn08-edukai-4.0.drv: elastic-arm-99e59b18: error: Cannot build '/nix/store/zyhgz4f23v23x19hc3fzwhvivlm6cn08-edukai-4.0.drv'., asking the scheduler again
building '/nix/store/zyhgz4f23v23x19hc3fzwhvivlm6cn08-edukai-4.0.drv' on farm.numtide.com:50051
edukai-4.0> elastic-arm-99e59b18: building zyhgz4f23v23x19hc3fzwhvivlm6cn08-edukai-4.0.drv
edukai-4.0> 
edukai-4.0> trying http://language.moe.gov.tw/001/Upload/Files/site_content/M0001/edukai-4.0.zip
edukai-4.0>   % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
edukai-4.0>                                  Dload  Upload   Total   Spent    Left  Speed
edukai-4.0>   0     0    0     0    0     0      0      0 --:--:--  0:02:14 --:--:--     0
edukai-4.0> curl: (28) Failed to connect to language.moe.gov.tw port 80 after 134220 ms: Couldn't connect to server
edukai-4.0> Warning: Problem : timeout. Will retry in 1 seconds. 3 retries left.
edukai-4.0>   0     0    0     0    0     0      0      0 --:--:--  0:02:14 --:--:--     0
edukai-4.0> curl: (28) Failed to connect to language.moe.gov.tw port 80 after 134166 ms: Couldn't connect to server
edukai-4.0> Warning: Problem : timeout. Will retry in 2 seconds. 2 retries left.
edukai-4.0>   0     0    0     0    0     0      0      0 --:--:--  0:02:15 --:--:--     0
edukai-4.0> curl: (28) Failed to connect to language.moe.gov.tw port 80 after 135213 ms: Couldn't connect to server
edukai-4.0> Warning: Problem : timeout. Will retry in 4 seconds. 1 retries left.
edukai-4.0>   0     0    0     0    0     0      0      0 --:--:--  0:02:15 --:--:--     0
edukai-4.0> curl: (28) Failed to connect to language.moe.gov.tw port 80 after 135264 ms: Couldn't connect to server
edukai-4.0> error: cannot download edukai-4.0 from any mirror
zyhgz4f23v23x19hc3fzwhvivlm6cn08-edukai-4.0.drv: elastic-arm-99e59b18: error: Cannot build '/nix/store/zyhgz4f23v23x19hc3fzwhvivlm6cn08-edukai-4.0.drv'., asking the scheduler again
building '/nix/store/zyhgz4f23v23x19hc3fzwhvivlm6cn08-edukai-4.0.drv' on farm.numtide.com:50051
edukai-4.0> elastic-arm-99e59b18: building zyhgz4f23v23x19hc3fzwhvivlm6cn08-edukai-4.0.drv
edukai-4.0> 
edukai-4.0> trying http://language.moe.gov.tw/001/Upload/Files/site_content/M0001/edukai-4.0.zip
edukai-4.0>   % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
edukai-4.0>                                  Dload  Upload   Total   Spent    Left  Speed
edukai-4.0>   0     0    0     0    0     0      0      0 --:--:--  0:02:14 --:--:--     0
edukai-4.0> curl: (28) Failed to connect to language.moe.gov.tw port 80 after 134150 ms: Couldn't connect to server
edukai-4.0> Warning: Problem : timeout. Will retry in 1 seconds. 3 retries left.
edukai-4.0>   0     0    0     0    0     0      0      0 --:--:--  0:02:14 --:--:--     0
edukai-4.0> curl: (28) Failed to connect to language.moe.gov.tw port 80 after 134170 ms: Couldn't connect to server
edukai-4.0> Warning: Problem : timeout. Will retry in 2 seconds. 2 retries left.
edukai-4.0>   0     0    0     0    0     0      0      0 --:--:--  0:02:15 --:--:--     0
edukai-4.0> curl: (28) Failed to connect to language.moe.gov.tw port 80 after 135209 ms: Couldn't connect to server
edukai-4.0> Warning: Problem : timeout. Will retry in 4 seconds. 1 retries left.
edukai-4.0>   0     0    0     0    0     0      0      0 --:--:--  0:02:15 --:--:--     0
edukai-4.0> curl: (28) Failed to connect to language.moe.gov.tw port 80 after 135261 ms: Couldn't connect to server
edukai-4.0> error: cannot download edukai-4.0 from any mirror
zyhgz4f23v23x19hc3fzwhvivlm6cn08-edukai-4.0.drv: elastic-arm-99e59b18: error: Cannot build '/nix/store/zyhgz4f23v23x19hc3fzwhvivlm6cn08-edukai-4.0.drv'., asking the scheduler again
error: build of '/nix/store/zyhgz4f23v23x19hc3fzwhvivlm6cn08-edukai-4.0.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=23&system=aarch64-linux' failed: gave up after 9 reschedules
error: Cannot build '/nix/store/zyhgz4f23v23x19hc3fzwhvivlm6cn08-edukai-4.0.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/agrmp8b0igvr088bqciv19p6cykz1pwg-edukai-4.0
error: build of resolved derivation '/nix/store/zyhgz4f23v23x19hc3fzwhvivlm6cn08-edukai-4.0.drv' failed
error: Cannot build '/nix/store/ancmi8h9hjkkmphda5gb908w14irb1bq-edukai-4.0.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/wqnn2g16sy91zgbapnnq2dz41i9k63nj-edukai-4.0