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-8f6abe2e: 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    257      0 --:--:-- --:--:-- --:--:--   257
source> 100   154    0   154    0     0    135      0 --:--:--  0:00:01 --:--:--   736
source> 100 74240    0 74240    0     0  26247      0 --:--:--  0:00:02 --:--:--  105k
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-8f6abe2e: 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-8f6abe2e: 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   1707      0 --:--:-- --:--:-- --:--:--  1745
source> 100   154    0   154    0     0    306      0 --:--:-- --:--:-- --:--:--     0
source> 100 74240    0 74240    0     0  71189      0 --:--:--  0:00:01 --:--:-- 71189
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-8f6abe2e: 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-8f6abe2e: 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    445      0 --:--:-- --:--:-- --:--:--   446
source> 100   154    0   154    0     0    176      0 --:--:-- --:--:-- --:--:--   366
source> 100 74240    0 74240    0     0  53021      0 --:--:--  0:00:01 --:--:-- 53021
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-8f6abe2e: 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-8f6abe2e: 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   1468      0 --:--:-- --:--:-- --:--:--  1471
source> 100   154    0   154    0     0    285      0 --:--:-- --:--:-- --:--:--   285
source> 100 74240    0 74240    0     0  70279      0 --:--:--  0:00:01 --:--:--  344k
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-8f6abe2e: 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-8f6abe2e: 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    364      0 --:--:-- --:--:-- --:--:--   364
source> 100   154    0   154    0     0    165      0 --:--:-- --:--:-- --:--:--   165
source> 100 74240    0 74240    0     0  49563      0 --:--:--  0:00:01 --:--:--  332k
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-8f6abe2e: 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-8f6abe2e: 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   3433      0 --:--:-- --:--:-- --:--:--  4139
source> 100   154    0   154    0     0    367      0 --:--:-- --:--:-- --:--:--   367
source> 100 74240    0 74240    0     0  81409      0 --:--:-- --:--:-- --:--:--  340k
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-8f6abe2e: 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-8f6abe2e: 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   1829      0 --:--:-- --:--:-- --:--:--  1835
source> 100   154    0   154    0     0    300      0 --:--:-- --:--:-- --:--:--   300
source> 100 74240    0 74240    0     0  71939      0 --:--:--  0:00:01 --:--:--  343k
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-8f6abe2e: 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-8f6abe2e: 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   1007      0 --:--:-- --:--:-- --:--:--  1011
source> 100   154    0   154    0     0    247      0 --:--:-- --:--:-- --:--:--   247
source> 100 74240    0 74240    0     0  65334      0 --:--:--  0:00:01 --:--:--  369k
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-8f6abe2e: 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-8f6abe2e: 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   2308      0 --:--:-- --:--:-- --:--:--  2311
source> 100   154    0   154    0     0    310      0 --:--:-- --:--:-- --:--:--   723
source> 100 74240    0 74240    0     0  68255      0 --:--:--  0:00:01 --:--:-- 68255
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-8f6abe2e: 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