these 2 derivations will be built:
  /nix/store/vlgxa8kr6l5vf2f2w36impn3x7d59vj8-source.drv
  /nix/store/gqhl4bwx6ifmlqf19kfiminrr1nf049i-gavrasm-5.4.drv
this path will be fetched (36.7 MiB download, 344.5 MiB unpacked):
  /nix/store/9g5v22qppyvvxf30ng6h3115x704436p-fpc-3.2.2
building '/nix/store/k5jcpyqgswqkz5ynbzbpp0jcxqhvg58w-source.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=22&system=aarch64-linux'
building '/nix/store/k5jcpyqgswqkz5ynbzbpp0jcxqhvg58w-source.drv' on farm.numtide.com:50051
source> elastic-arm-0f89b4f7: building k5jcpyqgswqkz5ynbzbpp0jcxqhvg58w-source.drv
source> 
source> trying http://www.avr-asm-tutorial.net/gavrasm/v54/gavrasm_sources_lin_54.zip
source>   % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
source>                                  Dload  Upload   Total   Spent    Left  Speed
source> 100   178    0   178    0     0    484      0 --:--:-- --:--:-- --:--:--   485
source> 100   154    0   154    0     0    198      0 --:--:-- --:--:-- --:--:--   198
source> 100 74240    0 74240    0     0  57050      0 --:--:--  0:00:01 --:--:--  359k
source> unpacking source archive /build/gavrasm_sources_lin_54.zip
source> [/build/gavrasm_sources_lin_54.zip]
source>   End-of-central-directory signature not found.  Either this file is not
source>   a zipfile, or it constitutes one disk of a multi-part archive.  In the
source>   latter case the central directory and zipfile comment will be found on
source>   the last disk(s) of this archive.
source> unzip:  cannot find zipfile directory in one of /build/gavrasm_sources_lin_54.zip or
source>         /build/gavrasm_sources_lin_54.zip.zip, and cannot find /build/gavrasm_sources_lin_54.zip.ZIP, period.
source> do not know how to unpack source archive /build/gavrasm_sources_lin_54.zip
k5jcpyqgswqkz5ynbzbpp0jcxqhvg58w-source.drv: elastic-arm-0f89b4f7: error: Cannot build '/nix/store/k5jcpyqgswqkz5ynbzbpp0jcxqhvg58w-source.drv'., asking the scheduler again
building '/nix/store/k5jcpyqgswqkz5ynbzbpp0jcxqhvg58w-source.drv' on farm.numtide.com:50051
source> elastic-arm-0f89b4f7: building k5jcpyqgswqkz5ynbzbpp0jcxqhvg58w-source.drv
source> 
source> trying http://www.avr-asm-tutorial.net/gavrasm/v54/gavrasm_sources_lin_54.zip
source>   % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
source>                                  Dload  Upload   Total   Spent    Left  Speed
source> 100   178    0   178    0     0   2782      0 --:--:-- --:--:-- --:--:--  2825
source> 100   154    0   154    0     0    589      0 --:--:-- --:--:-- --:--:--   589
source> 100 74240    0 74240    0     0  93399      0 --:--:-- --:--:-- --:--:--     0
source> unpacking source archive /build/gavrasm_sources_lin_54.zip
source> [/build/gavrasm_sources_lin_54.zip]
source>   End-of-central-directory signature not found.  Either this file is not
source>   a zipfile, or it constitutes one disk of a multi-part archive.  In the
source>   latter case the central directory and zipfile comment will be found on
source>   the last disk(s) of this archive.
source> unzip:  cannot find zipfile directory in one of /build/gavrasm_sources_lin_54.zip or
source>         /build/gavrasm_sources_lin_54.zip.zip, and cannot find /build/gavrasm_sources_lin_54.zip.ZIP, period.
source> do not know how to unpack source archive /build/gavrasm_sources_lin_54.zip
k5jcpyqgswqkz5ynbzbpp0jcxqhvg58w-source.drv: elastic-arm-0f89b4f7: error: Cannot build '/nix/store/k5jcpyqgswqkz5ynbzbpp0jcxqhvg58w-source.drv'., asking the scheduler again
building '/nix/store/k5jcpyqgswqkz5ynbzbpp0jcxqhvg58w-source.drv' on farm.numtide.com:50051
source> elastic-arm-0f89b4f7: building k5jcpyqgswqkz5ynbzbpp0jcxqhvg58w-source.drv
source> 
source> trying http://www.avr-asm-tutorial.net/gavrasm/v54/gavrasm_sources_lin_54.zip
source>   % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
source>                                  Dload  Upload   Total   Spent    Left  Speed
source> 100   178    0   178    0     0   5940      0 --:--:-- --:--:-- --:--:--  6137
source> 100   154    0   154    0     0    646      0 --:--:-- --:--:-- --:--:--   646
source> 100 74240    0 74240    0     0  99498      0 --:--:-- --:--:-- --:--:--     0
source> unpacking source archive /build/gavrasm_sources_lin_54.zip
source> [/build/gavrasm_sources_lin_54.zip]
source>   End-of-central-directory signature not found.  Either this file is not
source>   a zipfile, or it constitutes one disk of a multi-part archive.  In the
source>   latter case the central directory and zipfile comment will be found on
source>   the last disk(s) of this archive.
source> unzip:  cannot find zipfile directory in one of /build/gavrasm_sources_lin_54.zip or
source>         /build/gavrasm_sources_lin_54.zip.zip, and cannot find /build/gavrasm_sources_lin_54.zip.ZIP, period.
source> do not know how to unpack source archive /build/gavrasm_sources_lin_54.zip
k5jcpyqgswqkz5ynbzbpp0jcxqhvg58w-source.drv: elastic-arm-0f89b4f7: error: Cannot build '/nix/store/k5jcpyqgswqkz5ynbzbpp0jcxqhvg58w-source.drv'., asking the scheduler again
building '/nix/store/k5jcpyqgswqkz5ynbzbpp0jcxqhvg58w-source.drv' on farm.numtide.com:50051
source> elastic-arm-0f89b4f7: building k5jcpyqgswqkz5ynbzbpp0jcxqhvg58w-source.drv
source> 
source> trying http://www.avr-asm-tutorial.net/gavrasm/v54/gavrasm_sources_lin_54.zip
source>   % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
source>                                  Dload  Upload   Total   Spent    Left  Speed
source> 100   178    0   178    0     0   6292      0 --:--:-- --:--:-- --:--:--  6357
source> 100   154    0   154    0     0    688      0 --:--:-- --:--:-- --:--:--     0
source> 100 74240    0 74240    0     0  98725      0 --:--:-- --:--:-- --:--:-- 98725
source> unpacking source archive /build/gavrasm_sources_lin_54.zip
source> [/build/gavrasm_sources_lin_54.zip]
source>   End-of-central-directory signature not found.  Either this file is not
source>   a zipfile, or it constitutes one disk of a multi-part archive.  In the
source>   latter case the central directory and zipfile comment will be found on
source>   the last disk(s) of this archive.
source> unzip:  cannot find zipfile directory in one of /build/gavrasm_sources_lin_54.zip or
source>         /build/gavrasm_sources_lin_54.zip.zip, and cannot find /build/gavrasm_sources_lin_54.zip.ZIP, period.
source> do not know how to unpack source archive /build/gavrasm_sources_lin_54.zip
k5jcpyqgswqkz5ynbzbpp0jcxqhvg58w-source.drv: elastic-arm-0f89b4f7: error: Cannot build '/nix/store/k5jcpyqgswqkz5ynbzbpp0jcxqhvg58w-source.drv'., asking the scheduler again
building '/nix/store/k5jcpyqgswqkz5ynbzbpp0jcxqhvg58w-source.drv' on farm.numtide.com:50051
source> elastic-arm-0f89b4f7: building k5jcpyqgswqkz5ynbzbpp0jcxqhvg58w-source.drv
source> 
source> trying http://www.avr-asm-tutorial.net/gavrasm/v54/gavrasm_sources_lin_54.zip
source>   % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
source>                                  Dload  Upload   Total   Spent    Left  Speed
source> 100   178    0   178    0     0   4567      0 --:--:-- --:--:-- --:--:--  4684
source> 100   154    0   154    0     0    659      0 --:--:-- --:--:-- --:--:--   659
source> 100 74240    0 74240    0     0  98116      0 --:--:-- --:--:-- --:--:--  273k
source> unpacking source archive /build/gavrasm_sources_lin_54.zip
source> [/build/gavrasm_sources_lin_54.zip]
source>   End-of-central-directory signature not found.  Either this file is not
source>   a zipfile, or it constitutes one disk of a multi-part archive.  In the
source>   latter case the central directory and zipfile comment will be found on
source>   the last disk(s) of this archive.
source> unzip:  cannot find zipfile directory in one of /build/gavrasm_sources_lin_54.zip or
source>         /build/gavrasm_sources_lin_54.zip.zip, and cannot find /build/gavrasm_sources_lin_54.zip.ZIP, period.
source> do not know how to unpack source archive /build/gavrasm_sources_lin_54.zip
k5jcpyqgswqkz5ynbzbpp0jcxqhvg58w-source.drv: elastic-arm-0f89b4f7: error: Cannot build '/nix/store/k5jcpyqgswqkz5ynbzbpp0jcxqhvg58w-source.drv'., asking the scheduler again
building '/nix/store/k5jcpyqgswqkz5ynbzbpp0jcxqhvg58w-source.drv' on farm.numtide.com:50051
source> elastic-arm-384804be: building k5jcpyqgswqkz5ynbzbpp0jcxqhvg58w-source.drv
source> 
source> trying http://www.avr-asm-tutorial.net/gavrasm/v54/gavrasm_sources_lin_54.zip
source>   % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
source>                                  Dload  Upload   Total   Spent    Left  Speed
source> 100   178    0   178    0     0   1266      0 --:--:-- --:--:-- --:--:--  1271
source> 100   154    0   154    0     0    416      0 --:--:-- --:--:-- --:--:--   416
source> 100 74240    0 74240    0     0  85897      0 --:--:-- --:--:-- --:--:--  329k
source> unpacking source archive /build/gavrasm_sources_lin_54.zip
source> [/build/gavrasm_sources_lin_54.zip]
source>   End-of-central-directory signature not found.  Either this file is not
source>   a zipfile, or it constitutes one disk of a multi-part archive.  In the
source>   latter case the central directory and zipfile comment will be found on
source>   the last disk(s) of this archive.
source> unzip:  cannot find zipfile directory in one of /build/gavrasm_sources_lin_54.zip or
source>         /build/gavrasm_sources_lin_54.zip.zip, and cannot find /build/gavrasm_sources_lin_54.zip.ZIP, period.
source> do not know how to unpack source archive /build/gavrasm_sources_lin_54.zip
k5jcpyqgswqkz5ynbzbpp0jcxqhvg58w-source.drv: elastic-arm-384804be: error: Cannot build '/nix/store/k5jcpyqgswqkz5ynbzbpp0jcxqhvg58w-source.drv'., asking the scheduler again
building '/nix/store/k5jcpyqgswqkz5ynbzbpp0jcxqhvg58w-source.drv' on farm.numtide.com:50051
source> elastic-arm-4e524f5e: building k5jcpyqgswqkz5ynbzbpp0jcxqhvg58w-source.drv
source> 
source> trying http://www.avr-asm-tutorial.net/gavrasm/v54/gavrasm_sources_lin_54.zip
source>   % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
source>                                  Dload  Upload   Total   Spent    Left  Speed
source> 100   178    0   178    0     0   1261      0 --:--:-- --:--:-- --:--:--  1262
source> 100   154    0   154    0     0    445      0 --:--:-- --:--:-- --:--:--   823
source> 100 74240    0 74240    0     0  88280      0 --:--:-- --:--:-- --:--:-- 88280
source> unpacking source archive /build/gavrasm_sources_lin_54.zip
source> [/build/gavrasm_sources_lin_54.zip]
source>   End-of-central-directory signature not found.  Either this file is not
source>   a zipfile, or it constitutes one disk of a multi-part archive.  In the
source>   latter case the central directory and zipfile comment will be found on
source>   the last disk(s) of this archive.
source> unzip:  cannot find zipfile directory in one of /build/gavrasm_sources_lin_54.zip or
source>         /build/gavrasm_sources_lin_54.zip.zip, and cannot find /build/gavrasm_sources_lin_54.zip.ZIP, period.
source> do not know how to unpack source archive /build/gavrasm_sources_lin_54.zip
k5jcpyqgswqkz5ynbzbpp0jcxqhvg58w-source.drv: elastic-arm-4e524f5e: error: Cannot build '/nix/store/k5jcpyqgswqkz5ynbzbpp0jcxqhvg58w-source.drv'., asking the scheduler again
building '/nix/store/k5jcpyqgswqkz5ynbzbpp0jcxqhvg58w-source.drv' on farm.numtide.com:50051
source> elastic-arm-4e524f5e: building k5jcpyqgswqkz5ynbzbpp0jcxqhvg58w-source.drv
source> 
source> trying http://www.avr-asm-tutorial.net/gavrasm/v54/gavrasm_sources_lin_54.zip
source>   % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
source>                                  Dload  Upload   Total   Spent    Left  Speed
source> 100   178    0   178    0     0   6382      0 --:--:-- --:--:-- --:--:--  6592
source> 100   154    0   154    0     0    667      0 --:--:-- --:--:-- --:--:--   667
source> 100 74240    0 74240    0     0  92940      0 --:--:-- --:--:-- --:--:--  428k
source> unpacking source archive /build/gavrasm_sources_lin_54.zip
source> [/build/gavrasm_sources_lin_54.zip]
source>   End-of-central-directory signature not found.  Either this file is not
source>   a zipfile, or it constitutes one disk of a multi-part archive.  In the
source>   latter case the central directory and zipfile comment will be found on
source>   the last disk(s) of this archive.
source> unzip:  cannot find zipfile directory in one of /build/gavrasm_sources_lin_54.zip or
source>         /build/gavrasm_sources_lin_54.zip.zip, and cannot find /build/gavrasm_sources_lin_54.zip.ZIP, period.
source> do not know how to unpack source archive /build/gavrasm_sources_lin_54.zip
k5jcpyqgswqkz5ynbzbpp0jcxqhvg58w-source.drv: elastic-arm-4e524f5e: error: Cannot build '/nix/store/k5jcpyqgswqkz5ynbzbpp0jcxqhvg58w-source.drv'., asking the scheduler again
building '/nix/store/k5jcpyqgswqkz5ynbzbpp0jcxqhvg58w-source.drv' on farm.numtide.com:50051
source> elastic-arm-4e524f5e: building k5jcpyqgswqkz5ynbzbpp0jcxqhvg58w-source.drv
source> 
source> trying http://www.avr-asm-tutorial.net/gavrasm/v54/gavrasm_sources_lin_54.zip
source>   % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
source>                                  Dload  Upload   Total   Spent    Left  Speed
source> 100   178    0   178    0     0   4082      0 --:--:-- --:--:-- --:--:--  4139
source> 100   154    0   154    0     0    586      0 --:--:-- --:--:-- --:--:--   586
source> 100 74240    0 74240    0     0   112k      0 --:--:-- --:--:-- --:--:--  112k
source> unpacking source archive /build/gavrasm_sources_lin_54.zip
source> [/build/gavrasm_sources_lin_54.zip]
source>   End-of-central-directory signature not found.  Either this file is not
source>   a zipfile, or it constitutes one disk of a multi-part archive.  In the
source>   latter case the central directory and zipfile comment will be found on
source>   the last disk(s) of this archive.
source> unzip:  cannot find zipfile directory in one of /build/gavrasm_sources_lin_54.zip or
source>         /build/gavrasm_sources_lin_54.zip.zip, and cannot find /build/gavrasm_sources_lin_54.zip.ZIP, period.
source> do not know how to unpack source archive /build/gavrasm_sources_lin_54.zip
k5jcpyqgswqkz5ynbzbpp0jcxqhvg58w-source.drv: elastic-arm-4e524f5e: error: Cannot build '/nix/store/k5jcpyqgswqkz5ynbzbpp0jcxqhvg58w-source.drv'., asking the scheduler again
error: build of '/nix/store/k5jcpyqgswqkz5ynbzbpp0jcxqhvg58w-source.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=22&system=aarch64-linux' failed: gave up after 9 reschedules
error: Cannot build '/nix/store/k5jcpyqgswqkz5ynbzbpp0jcxqhvg58w-source.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/k3g1iapg7xv8vp5c59p37v7nrvr9h8qh-source
error: build of resolved derivation '/nix/store/k5jcpyqgswqkz5ynbzbpp0jcxqhvg58w-source.drv' failed
error: Cannot build '/nix/store/gqhl4bwx6ifmlqf19kfiminrr1nf049i-gavrasm-5.4.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/c7dp0xbz5snk196859j1ps5s1qvp2gx8-gavrasm-5.4