Update to rust 1.52

Signed-off-by: Heinz N. Gies <heinz@licenser.net>

.github/workflows/tests.yaml

@@ -45,8 +45,8 @@ jobs:
           PROPTEST_CASES: 2500
           RUSTFLAGS: -D warnings -C target-feature=+avx,+avx2,+sse4.2
         with:
-          version: "0.16.0"
-          args: " --exclude-files target* tremor-cli tremor-api deprecated **/errors.rs --out Lcov --all"
+          version: "0.18.0-alpha3"
+          args: " --avoid-cfg-tarpaulin --exclude-files target* tremor-cli tremor-api **/errors.rs --out Lcov --all"
       - name: Coveralls
         uses: coverallsapp/github-action@master
         with:

Dockerfile

@@ -1,4 +1,4 @@
-FROM rust:1.50.0 as builder
+FROM rust:1.52.1 as builder
 
 # Avoid warnings by switching to noninteractive
 ENV DEBIAN_FRONTEND=noninteractive

Dockerfile.learn

@@ -1,4 +1,4 @@
-FROM rust:1.50.0 as builder
+FROM rust:1.52.1 as builder
 
 RUN cargo install --features=ssl websocat
 

rust-toolchain

@@ -1 +1 @@
-1.51.0
+1.52.1

src/lib.rs

@@ -23,10 +23,10 @@
     clippy::unnecessary_unwrap,
     clippy::pedantic
 )]
-// TODOthis is needed due to a false positive in clippy
+// TODO this is needed due to a false positive in clippy
 // https://github.com/rust-lang/rust/issues/83125
 // we will need this in 1.52.0
-// #![allow(proc_macro_back_compat)]
+#![allow(proc_macro_back_compat)]
 
 #[macro_use]
 extern crate serde_derive;

tremor-pipeline/src/lib.rs

@@ -23,10 +23,10 @@
     clippy::unnecessary_unwrap,
     clippy::pedantic
 )]
-// TODOthis is needed due to a false positive in clippy
+// TODO this is needed due to a false positive in clippy
 // https://github.com/rust-lang/rust/issues/83125
 // we will need this in 1.52.0
-// #![allow(proc_macro_back_compat)]
+#![allow(proc_macro_back_compat)]
 
 #[macro_use]
 extern crate serde_derive;

tremor-script/src/lib.rs

@@ -25,7 +25,7 @@
 // TODO this is needed due to a false positive in clippy
 // https://github.com/rust-lang/rust/issues/83125
 // we will need this in 1.52.0
-// #![allow(proc_macro_back_compat)]
+#![allow(proc_macro_back_compat)]
 
 /// The Tremor Script AST
 pub mod ast;