Resolving dependencies...
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Starting     json-rpc-1.0.3
Building     json-rpc-1.0.3
Failed to install json-rpc-1.0.3
Build log ( /home/builder/.cabal/logs/ghc-8.6.3/json-rpc-1.0.3-JYjFbvjjYueBs6aepZj7WU.log ):
cabal: Entering directory '/tmp/cabal-tmp-6120/json-rpc-1.0.3'
Configuring json-rpc-1.0.3...
Preprocessing library for json-rpc-1.0.3..
Building library for json-rpc-1.0.3..
[1 of 5] Compiling Network.JSONRPC.Data ( src/Network/JSONRPC/Data.hs, dist/build/Network/JSONRPC/Data.o )
[2 of 5] Compiling Network.JSONRPC.Arbitrary ( src/Network/JSONRPC/Arbitrary.hs, dist/build/Network/JSONRPC/Arbitrary.o )
[3 of 5] Compiling Network.JSONRPC.Interface ( src/Network/JSONRPC/Interface.hs, dist/build/Network/JSONRPC/Interface.o )
[4 of 5] Compiling Network.JSONRPC  ( src/Network/JSONRPC.hs, dist/build/Network/JSONRPC.o )
[5 of 5] Compiling Paths_json_rpc   ( dist/build/autogen/Paths_json_rpc.hs, dist/build/Paths_json_rpc.o )
Preprocessing executable 'concurrent-client' for json-rpc-1.0.3..
Building executable 'concurrent-client' for json-rpc-1.0.3..
[1 of 2] Compiling Main             ( examples/concurrent-client.hs, dist/build/concurrent-client/concurrent-client-tmp/Main.o )
[2 of 2] Compiling Paths_json_rpc   ( dist/build/concurrent-client/autogen/Paths_json_rpc.hs, dist/build/concurrent-client/concurrent-client-tmp/Paths_json_rpc.o )
Linking dist/build/concurrent-client/concurrent-client ...
Preprocessing executable 'concurrent-server' for json-rpc-1.0.3..
Building executable 'concurrent-server' for json-rpc-1.0.3..
[1 of 2] Compiling Main             ( examples/concurrent-server.hs, dist/build/concurrent-server/concurrent-server-tmp/Main.o )
[2 of 2] Compiling Paths_json_rpc   ( dist/build/concurrent-server/autogen/Paths_json_rpc.hs, dist/build/concurrent-server/concurrent-server-tmp/Paths_json_rpc.o )
Linking dist/build/concurrent-server/concurrent-server ...
Preprocessing executable 'time-client' for json-rpc-1.0.3..
Building executable 'time-client' for json-rpc-1.0.3..
[1 of 2] Compiling Main             ( examples/time-client.hs, dist/build/time-client/time-client-tmp/Main.o )
[2 of 2] Compiling Paths_json_rpc   ( dist/build/time-client/autogen/Paths_json_rpc.hs, dist/build/time-client/time-client-tmp/Paths_json_rpc.o )
Linking dist/build/time-client/time-client ...
collect2: error: ld returned 1 exit status
`gcc' failed in phase `Linker'. (Exit code: 1)
cabal: Leaving directory '/tmp/cabal-tmp-6120/json-rpc-1.0.3'
cabal: Error: some packages failed to install:
json-rpc-1.0.3-JYjFbvjjYueBs6aepZj7WU failed during the building phase. The
exception was:
ExitFailure 1