Warning: The install command is a part of the legacy v1 style of cabal usage. Please switch to using either the new project style and the new-install command or the legacy v1-install alias as new-style projects will become the default in the next version of cabal-install. Please file a bug if you cannot replicate a working v1- use case with the new-style commands. For more information, see: https://wiki.haskell.org/Cabal/NewBuild Resolving dependencies... Starting StateVar-1.2 Starting cabal-doctest-1.0.8 Starting base-orphans-0.8.1 Starting basement-0.0.11 Building StateVar-1.2 Building base-orphans-0.8.1 Building cabal-doctest-1.0.8 Building basement-0.0.11 Completed base-orphans-0.8.1 Starting call-stack-0.2.0 Completed StateVar-1.2 Starting cereal-0.5.8.1 Building call-stack-0.2.0 Building cereal-0.5.8.1 Completed cabal-doctest-1.0.8 Starting clock-0.8 Completed call-stack-0.2.0 Starting data-default-class-0.1.2.0 Building clock-0.8 Building data-default-class-0.1.2.0 Completed clock-0.8 Starting exceptions-0.10.4 Completed data-default-class-0.1.2.0 Starting ghc-paths-0.1.0.12 Building exceptions-0.10.4 Building ghc-paths-0.1.0.12 Completed cereal-0.5.8.1 Starting ghc-source-gen-0.3.0.0 Building ghc-source-gen-0.3.0.0 Completed exceptions-0.10.4 Starting hashable-1.3.0.0 Building hashable-1.3.0.0 Completed ghc-paths-0.1.0.12 Starting hourglass-0.2.12 Building hourglass-0.2.12 Completed hashable-1.3.0.0 Starting lens-family-core-2.0.0 Building lens-family-core-2.0.0 Completed ghc-source-gen-0.3.0.0 Starting network-2.8.0.1 Completed lens-family-core-2.0.0 Starting network-byte-order-0.1.3.0 Completed hourglass-0.2.12 Starting parallel-3.2.2.0 Building network-2.8.0.1 Building network-byte-order-0.1.3.0 Building parallel-3.2.2.0 Completed network-byte-order-0.1.3.0 Starting primitive-0.7.0.0 Completed parallel-3.2.2.0 Starting random-1.1 Building primitive-0.7.0.0 Building random-1.1 Completed random-1.1 Starting reflection-2.1.5 Building reflection-2.1.5 Completed network-2.8.0.1 Starting semigroups-0.19.1 Building semigroups-0.19.1 Completed semigroups-0.19.1 Starting tagged-0.8.6 Building tagged-0.8.6 Completed reflection-2.1.5 Starting th-abstraction-0.3.1.0 Building th-abstraction-0.3.1.0 Completed tagged-0.8.6 Starting transformers-compat-0.6.5 Building transformers-compat-0.6.5 Completed primitive-0.7.0.0 Starting type-equality-1 Building type-equality-1 Completed type-equality-1 Starting void-0.7.3 Building void-0.7.3 Completed th-abstraction-0.3.1.0 Starting zlib-0.6.2.1 Completed transformers-compat-0.6.5 Starting contravariant-1.5.2 Building zlib-0.6.2.1 Completed void-0.7.3 Starting unordered-containers-0.2.10.0 Building contravariant-1.5.2 Building unordered-containers-0.2.10.0 Completed basement-0.0.11 Starting psqueues-0.2.7.2 Building psqueues-0.2.7.2 Completed contravariant-1.5.2 Starting case-insensitive-1.2.1.0 Building case-insensitive-1.2.1.0 Completed zlib-0.6.2.1 Starting async-2.2.2 Building async-2.2.2 Completed case-insensitive-1.2.1.0 Starting lens-family-2.0.0 Building lens-family-2.0.0 Completed psqueues-0.2.7.2 Starting temporary-1.3 Building temporary-1.3 Completed async-2.2.2 Starting distributive-0.6.1 Completed lens-family-2.0.0 Starting vector-0.12.0.3 Completed unordered-containers-0.2.10.0 Starting transformers-base-0.4.5.2 Completed temporary-1.3 Starting constraints-0.11.2 Building vector-0.12.0.3 Building transformers-base-0.4.5.2 Building constraints-0.11.2 Building distributive-0.6.1 Completed transformers-base-0.4.5.2 Starting memory-0.15.0 Building memory-0.15.0 Completed distributive-0.6.1 Starting http2-grpc-types-0.5.0.0 Building http2-grpc-types-0.5.0.0 Completed http2-grpc-types-0.5.0.0 Starting http-types-0.12.3 Building http-types-0.12.3 Completed constraints-0.11.2 Starting http2-1.6.5 Building http2-1.6.5 Completed http-types-0.12.3 Starting opentelemetry-0.0.0.0 Building opentelemetry-0.0.0.0 Completed memory-0.15.0 Starting monad-control-1.0.2.3 Building monad-control-1.0.2.3 Completed opentelemetry-0.0.0.0 Starting comonad-5.0.6 Completed monad-control-1.0.2.3 Starting pem-0.2.4 Building pem-0.2.4 Building comonad-5.0.6 Completed pem-0.2.4 Starting cryptonite-0.26 Building cryptonite-0.26 Completed http2-1.6.5 Starting asn1-types-0.3.3 Building asn1-types-0.3.3 Completed comonad-5.0.6 Starting lifted-base-0.2.3.12 Building lifted-base-0.2.3.12 Completed asn1-types-0.3.3 Starting bifunctors-5.5.6 Building bifunctors-5.5.6 Completed lifted-base-0.2.3.12 Starting asn1-encoding-0.9.6 Building asn1-encoding-0.9.6 Completed asn1-encoding-0.9.6 Starting lifted-async-0.10.0.4 Completed vector-0.12.0.3 Starting asn1-parse-0.9.5 Building lifted-async-0.10.0.4 Building asn1-parse-0.9.5 Completed asn1-parse-0.9.5 Completed lifted-async-0.10.0.4 Completed bifunctors-5.5.6 Starting profunctors-5.5.1 Starting semigroupoids-5.3.4 Building profunctors-5.5.1 Building semigroupoids-5.3.4 Completed profunctors-5.5.1 Starting invariant-0.5.3 Starting proto-lens-0.6.0.0 Building proto-lens-0.6.0.0 Building invariant-0.5.3 Completed semigroupoids-5.3.4 Starting free-5.1.3 Building free-5.1.3 Completed proto-lens-0.6.0.0 Starting proto-lens-runtime-0.6.0.0 Completed invariant-0.5.3 Starting http2-grpc-proto-lens-0.1.0.0 Building proto-lens-runtime-0.6.0.0 Building http2-grpc-proto-lens-0.1.0.0 Completed proto-lens-runtime-0.6.0.0 Starting proto-lens-protoc-0.6.0.0 Building proto-lens-protoc-0.6.0.0 Completed http2-grpc-proto-lens-0.1.0.0 Completed free-5.1.3 Starting adjunctions-4.4 Building adjunctions-4.4 Completed proto-lens-protoc-0.6.0.0 Starting proto-lens-setup-0.4.0.3 Building proto-lens-setup-0.4.0.3 Completed adjunctions-4.4 Starting kan-extensions-5.2 Building kan-extensions-5.2 Completed proto-lens-setup-0.4.0.3 Starting proto-lens-protobuf-types-0.6.0.0 Building proto-lens-protobuf-types-0.6.0.0 Failed to install proto-lens-protobuf-types-0.6.0.0 Build log ( /home/builder/.cabal/logs/ghc-8.6.3/proto-lens-protobuf-types-0.6.0.0-6jQ5wZdS4tG4TiGSmzMa6.log ): cabal: Entering directory '/tmp/cabal-tmp-4329/proto-lens-protobuf-types-0.6.0.0' [1 of 1] Compiling Main ( /tmp/cabal-tmp-4329/proto-lens-protobuf-types-0.6.0.0/dist/setup/setup.hs, /tmp/cabal-tmp-4329/proto-lens-protobuf-types-0.6.0.0/dist/setup/Main.o ) Linking /tmp/cabal-tmp-4329/proto-lens-protobuf-types-0.6.0.0/dist/setup/setup ... Configuring proto-lens-protobuf-types-0.6.0.0... ========== Error: couldn't find the executable "protoc" in your $PATH. Follow the installation instructions at https://google.github.io/proto-lens/installing-protoc.html . ========== Missing executable "protoc" CallStack (from HasCallStack): error, called at src/Data/ProtoLens/Setup.hs:371:13 in proto-lens-setup-0.4.0.3-5ODHt8d2V4Z8AMkSATznmE:Data.ProtoLens.Setup cabal: Leaving directory '/tmp/cabal-tmp-4329/proto-lens-protobuf-types-0.6.0.0' Completed kan-extensions-5.2 Completed cryptonite-0.26 cabal: Error: some packages failed to install: opentelemetry-lightstep-0.0.0.0-cNrnlahkNJprEzC5qQXi depends on opentelemetry-lightstep-0.0.0.0 which failed to install. proto-lens-protobuf-types-0.6.0.0-6jQ5wZdS4tG4TiGSmzMa6 failed during the building phase. The exception was: ExitFailure 1