Resolving dependencies... Configuring base-orphans-0.8... Configuring base-compat-0.10.4... Building base-orphans-0.8... Building base-compat-0.10.4... Installed base-orphans-0.8 Configuring base16-bytestring-0.1.1.6... Building base16-bytestring-0.1.1.6... Installed base16-bytestring-0.1.1.6 Configuring base64-bytestring-1.0.0.1... Building base64-bytestring-1.0.0.1... Installed base-compat-0.10.4 Configuring basement-0.0.8... Building basement-0.0.8... Installed base64-bytestring-1.0.0.1 Configuring byteable-0.1.1... Building byteable-0.1.1... Installed byteable-0.1.1 Configuring bzlib-0.5.0.5... Building bzlib-0.5.0.5... Installed bzlib-0.5.0.5 Configuring cabal-doctest-1.0.6... Building cabal-doctest-1.0.6... Installed cabal-doctest-1.0.6 Configuring call-stack-0.1.0... Building call-stack-0.1.0... Installed call-stack-0.1.0 Configuring cereal-0.5.7.0... Building cereal-0.5.7.0... Installed cereal-0.5.7.0 Configuring dlist-0.8.0.5... Building dlist-0.8.0.5... Installed dlist-0.8.0.5 Configuring hashable-1.2.7.0... Building hashable-1.2.7.0... Installed hashable-1.2.7.0 Configuring hourglass-0.2.12... Building hourglass-0.2.12... Installed hourglass-0.2.12 Configuring integer-logarithms-1.0.2.2... Building integer-logarithms-1.0.2.2... Installed integer-logarithms-1.0.2.2 Configuring monad-loops-0.4.3... Building monad-loops-0.4.3... Installed monad-loops-0.4.3 Configuring network-2.8.0.0... Installed basement-0.0.8 Configuring network-uri-2.6.1.0... Building network-uri-2.6.1.0... Building network-2.8.0.0... Installed network-uri-2.6.1.0 Configuring newtype-0.2... Building newtype-0.2... Installed newtype-0.2 Configuring old-locale-1.0.0.7... Building old-locale-1.0.0.7... Installed old-locale-1.0.0.7 Configuring parallel-3.2.2.0... Building parallel-3.2.2.0... Installed network-2.8.0.0 Configuring prettyprinter-1.2.1... Installed parallel-3.2.2.0 Configuring primes-0.2.1.0... Building prettyprinter-1.2.1... Building primes-0.2.1.0... Installed primes-0.2.1.0 Configuring primitive-0.6.4.0... Building primitive-0.6.4.0... Installed prettyprinter-1.2.1 Configuring random-1.1... Building random-1.1... Installed random-1.1 Configuring reflection-2.1.4... Building reflection-2.1.4... Installed primitive-0.6.4.0 Configuring safe-0.3.17... Building safe-0.3.17... Installed reflection-2.1.4 Configuring semigroups-0.18.5... Building semigroups-0.18.5... Installed semigroups-0.18.5 Configuring split-0.2.3.3... Installed safe-0.3.17 Configuring stm-2.5.0.0... Building split-0.2.3.3... Building stm-2.5.0.0... Installed split-0.2.3.3 Configuring syb-0.7... Building syb-0.7... Installed stm-2.5.0.0 Configuring tagged-0.8.6... Building tagged-0.8.6... Installed syb-0.7 Configuring th-abstraction-0.2.8.0... Building th-abstraction-0.2.8.0... Installed tagged-0.8.6 Configuring time-locale-compat-0.1.1.5... Building time-locale-compat-0.1.1.5... Installed time-locale-compat-0.1.1.5 Configuring transformers-compat-0.6.2... Building transformers-compat-0.6.2... Installed th-abstraction-0.2.8.0 Configuring unliftio-core-0.1.2.0... Building unliftio-core-0.1.2.0... Installed transformers-compat-0.6.2 Configuring void-0.7.2... Installed unliftio-core-0.1.2.0 Configuring zlib-0.6.2... Building void-0.7.2... Building zlib-0.6.2... Installed void-0.7.2 Configuring unordered-containers-0.2.9.0... Building unordered-containers-0.2.9.0... Installed zlib-0.6.2 Configuring memory-0.14.18... Building memory-0.14.18... Installed unordered-containers-0.2.9.0 Configuring old-time-1.1.0.3... Building old-time-1.1.0.3... Installed memory-0.14.18 Configuring uuid-types-1.0.3... Installed old-time-1.1.0.3 Configuring vector-0.12.0.1... Building uuid-types-1.0.3... Building vector-0.12.0.1... Installed uuid-types-1.0.3 Configuring scientific-0.3.6.2... Building scientific-0.3.6.2... Installed scientific-0.3.6.2 Configuring async-2.2.1... Building async-2.2.1... Installed async-2.2.1 Configuring StateVar-1.1.1.1... Building StateVar-1.1.1.1... Installed StateVar-1.1.1.1 Configuring distributive-0.6... Building distributive-0.6... Installed distributive-0.6 Configuring transformers-base-0.4.5.2... Building transformers-base-0.4.5.2... Installed transformers-base-0.4.5.2 Configuring exceptions-0.10.0... Building exceptions-0.10.0... Installed exceptions-0.10.0 Configuring securemem-0.1.10... Building securemem-0.1.10... Installed securemem-0.1.10 Configuring cryptonite-0.25... Building cryptonite-0.25... Installed vector-0.12.0.1 Configuring asn1-types-0.3.2... Building asn1-types-0.3.2... Installed asn1-types-0.3.2 Configuring attoparsec-0.13.2.2... Building attoparsec-0.13.2.2... Installed attoparsec-0.13.2.2 Configuring typed-process-0.2.3.0... Building typed-process-0.2.3.0... Installed typed-process-0.2.3.0 Configuring streaming-commons-0.2.1.0... Building streaming-commons-0.2.1.0... Installed streaming-commons-0.2.1.0 Configuring contravariant-1.5... Building contravariant-1.5... Installed contravariant-1.5 Configuring resourcet-1.2.2... Building resourcet-1.2.2... Installed resourcet-1.2.2 Configuring errors-2.3.0... Building errors-2.3.0... Installed errors-2.3.0 Configuring crypto-cipher-types-0.0.9... Building crypto-cipher-types-0.0.9... Installed crypto-cipher-types-0.0.9 Configuring vector-algorithms-0.8.0.1... Building vector-algorithms-0.8.0.1... Installed cryptonite-0.25 Configuring safecopy-0.9.4.1... Installed vector-algorithms-0.8.0.1 Configuring monoid-subclasses-0.4.6.1... Building safecopy-0.9.4.1... Building monoid-subclasses-0.4.6.1... Installed safecopy-0.9.4.1 Configuring asn1-encoding-0.9.5... Building asn1-encoding-0.9.5... Installed asn1-encoding-0.9.5 Configuring openpgp-asciiarmor-0.1.1... Building openpgp-asciiarmor-0.1.1... Installed openpgp-asciiarmor-0.1.1 Configuring aeson-1.4.1.0... Building aeson-1.4.1.0... Installed monoid-subclasses-0.4.6.1 Configuring comonad-5.0.4... Building comonad-5.0.4... Installed comonad-5.0.4 Configuring nettle-0.3.0... Failed to install nettle-0.3.0 Build log ( /home/builder/.cabal/logs/ghc-8.4.3/nettle-0.3.0-4gVfcXOGRxK7oaKu38vHku.log ): cabal: Entering directory '/tmp/cabal-tmp-20905/nettle-0.3.0' Configuring nettle-0.3.0... cabal: Missing dependency on a foreign library: * Missing (or bad) C library: nettle This problem can usually be solved by installing the system package that provides this library (you may need the "-dev" version). If the library is already installed but in a non-standard location then you can use the flags --extra-include-dirs= and --extra-lib-dirs= to specify where it is.If the library file does exist, it may contain errors that are caught by the C compiler at the preprocessing stage. In this case you can re-run configure with the verbosity flag -v3 to see the error messages. cabal: Leaving directory '/tmp/cabal-tmp-20905/nettle-0.3.0' Configuring mono-traversable-1.0.9.0... Building mono-traversable-1.0.9.0... Installed mono-traversable-1.0.9.0 Installed aeson-1.4.1.0 cabal: Error: some packages failed to install: hOpenPGP-2.7.4-ECfbWxS0gKqDT11ATuZY3Z depends on hOpenPGP-2.7.4 which failed to install. nettle-0.3.0-4gVfcXOGRxK7oaKu38vHku failed during the configure step. The exception was: ExitFailure 1