Warnings are not shown in the Problems view

[rohel01]

Version of VSCode: 1.14.0 Version of the extension: 0.4.2 OS: Fedora 25 RLS mode: ON

Description: All rustup components were updated before proceeding.

cargo build shows several compiler warning (unused variables...) which are not displayed in the Problem view. Error diagnostics, as I type, work .

Output of the "Rust logging" channel:

DEBUG: Rustup: updateToolchains: this.toolchains=[{"channel":"stable","host":"x86_64-unknown-linux-gnu","isDefault":true},{"channel":"nightly","host":"x86_64-unknown-linux-gnu","isDefault":false}]
DEBUG: activate: processPossibleSetButMissingUserToolchain: toolchainKind=toolchain
DEBUG: activate: processPossibleSetButMissingUserToolchain: user toolchain is installed
DEBUG: Rustup: updateComponents(stable-x86_64-unknown-linux-gnu): components=["cargo-x86_64-unknown-linux-gnu (default)","rust-analysis-x86_64-unknown-linux-gnu","rust-docs-x86_64-unknown-linux-gnu (default)","rust-src (installed)","rust-std-aarch64-apple-ios","rust-std-aarch64-linux-android","rust-std-aarch64-unknown-fuchsia","rust-std-aarch64-unknown-linux-gnu","rust-std-arm-linux-androideabi","rust-std-arm-unknown-linux-gnueabi","rust-std-arm-unknown-linux-gnueabihf","rust-std-arm-unknown-linux-musleabi","rust-std-arm-unknown-linux-musleabihf","rust-std-armv7-apple-ios","rust-std-armv7-linux-androideabi","rust-std-armv7-unknown-linux-gnueabihf","rust-std-armv7-unknown-linux-musleabihf","rust-std-armv7s-apple-ios","rust-std-asmjs-unknown-emscripten","rust-std-i386-apple-ios","rust-std-i586-pc-windows-msvc","rust-std-i586-unknown-linux-gnu","rust-std-i686-apple-darwin","rust-std-i686-linux-android","rust-std-i686-pc-windows-gnu","rust-std-i686-pc-windows-msvc","rust-std-i686-unknown-freebsd","rust-std-i686-unknown-linux-gnu","rust-std-i686-unknown-linux-musl","rust-std-mips-unknown-linux-gnu","rust-std-mips-unknown-linux-musl","rust-std-mips64-unknown-linux-gnuabi64","rust-std-mips64el-unknown-linux-gnuabi64","rust-std-mipsel-unknown-linux-gnu","rust-std-mipsel-unknown-linux-musl","rust-std-powerpc-unknown-linux-gnu","rust-std-powerpc64-unknown-linux-gnu","rust-std-powerpc64le-unknown-linux-gnu","rust-std-s390x-unknown-linux-gnu","rust-std-sparc64-unknown-linux-gnu","rust-std-wasm32-unknown-emscripten","rust-std-x86_64-apple-darwin","rust-std-x86_64-apple-ios","rust-std-x86_64-linux-android","rust-std-x86_64-pc-windows-gnu","rust-std-x86_64-pc-windows-msvc","rust-std-x86_64-rumprun-netbsd","rust-std-x86_64-unknown-freebsd","rust-std-x86_64-unknown-fuchsia","rust-std-x86_64-unknown-linux-gnu (default)","rust-std-x86_64-unknown-linux-musl","rust-std-x86_64-unknown-netbsd","rustc-x86_64-unknown-linux-gnu (default)",""]
DEBUG: RlsMode: start: enter
DEBUG: RlsMode: start: no RLS executable
DEBUG: RlsMode: start: processPossibleSetButMissingUserToolchain: toolchainKind=nightly toolchain
DEBUG: RlsMode: start: processPossibleSetButMissingUserToolchain: user nightly toolchain is installed
DEBUG: Rustup: updateComponents(nightly-x86_64-unknown-linux-gnu): components=["cargo-x86_64-unknown-linux-gnu (default)","rls-x86_64-unknown-linux-gnu (installed)","rust-analysis-x86_64-unknown-linux-gnu (installed)","rust-docs-x86_64-unknown-linux-gnu (default)","rust-src","rust-std-aarch64-apple-ios","rust-std-aarch64-linux-android","rust-std-aarch64-unknown-fuchsia","rust-std-aarch64-unknown-linux-gnu","rust-std-arm-linux-androideabi","rust-std-arm-unknown-linux-gnueabi","rust-std-arm-unknown-linux-gnueabihf","rust-std-arm-unknown-linux-musleabi","rust-std-arm-unknown-linux-musleabihf","rust-std-armv7-apple-ios","rust-std-armv7-linux-androideabi","rust-std-armv7-unknown-linux-gnueabihf","rust-std-armv7-unknown-linux-musleabihf","rust-std-armv7s-apple-ios","rust-std-asmjs-unknown-emscripten","rust-std-i386-apple-ios","rust-std-i586-pc-windows-msvc","rust-std-i586-unknown-linux-gnu","rust-std-i686-apple-darwin","rust-std-i686-linux-android","rust-std-i686-pc-windows-gnu","rust-std-i686-pc-windows-msvc","rust-std-i686-unknown-freebsd","rust-std-i686-unknown-linux-gnu","rust-std-i686-unknown-linux-musl","rust-std-mips-unknown-linux-gnu","rust-std-mips-unknown-linux-musl","rust-std-mips64-unknown-linux-gnuabi64","rust-std-mips64el-unknown-linux-gnuabi64","rust-std-mipsel-unknown-linux-gnu","rust-std-mipsel-unknown-linux-musl","rust-std-powerpc-unknown-linux-gnu","rust-std-powerpc64-unknown-linux-gnu","rust-std-powerpc64le-unknown-linux-gnu","rust-std-s390x-unknown-linux-gnu","rust-std-sparc64-unknown-linux-gnu","rust-std-wasm32-unknown-emscripten","rust-std-x86_64-apple-darwin","rust-std-x86_64-apple-ios","rust-std-x86_64-linux-android","rust-std-x86_64-pc-windows-gnu","rust-std-x86_64-pc-windows-msvc","rust-std-x86_64-rumprun-netbsd","rust-std-x86_64-unknown-freebsd","rust-std-x86_64-unknown-fuchsia","rust-std-x86_64-unknown-linux-gnu (default)","rust-std-x86_64-unknown-linux-musl","rust-std-x86_64-unknown-netbsd","rustc-x86_64-unknown-linux-gnu (default)",""]
DEBUG: RlsMode: processPossiblyMissingRlsComponents: RLS is installed
DEBUG: RlsMode: processPossiblyMissingRlsComponents: rust-analysis is installed
DEBUG: RlsMode: start: User decided to use rustfmt
DEBUG: RlsMode: start: rlsPath=rustup 
DEBUG: RlsMode: start: env={"RUST_LOG":"rls=warn","RUST_SRC_PATH":"/home/miK/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/src"} 
DEBUG: RlsMode: start: args=["run","nightly-x86_64-unknown-linux-gnu","rls"] 
DEBUG: RlsMode: start: revealOutputChannelOn=3 
DEBUG: RlsMode: start: Language Client Manager: start