bump MSRV 1.58 -> 1.63

Author: RCasatta

.github/workflows/rust.yml

@@ -19,7 +19,7 @@ jobs:
         uses: actions-rs/toolchain@v1
         with:
           profile: minimal
-          toolchain: 1.58.0
+          toolchain: 1.63.0
           override: true
       - name: Running fuzzer
         env:
@@ -69,7 +69,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        rust: [stable, beta, nightly, 1.58.0]
+        rust: [stable, beta, nightly, 1.63.0]
     steps:
       - name: Checkout Crate
         uses: actions/checkout@v2

README.md

@@ -1,6 +1,6 @@
 ![Build](https://github.com/ElementsProject/elements-miniscript/workflows/Continuous%20integration/badge.svg)
 
-**Minimum Supported Rust Version:** 1.58.0
+**Minimum Supported Rust Version:** 1.63.0
 
 *This crate uses "2018" edition
 
@@ -40,7 +40,7 @@ Enabling the `no-std` feature does not disable `std`. To disable the `std` featu
 To run the benchmarks run `RUSTFLAGS=--cfg=miniscript_bench cargo +nightly bench --all-features`.
 
 ## Minimum Supported Rust Version (MSRV)
-This library should always compile with any combination of features on **Rust 1.58.0**.
+This library should always compile with any combination of features on **Rust 1.63.0**.
 
 
 Some dependencies do not play nicely with our MSRV, if you are running the tests

clippy.toml

@@ -1 +1 @@
-msrv = "1.58.0"
+msrv = "1.63.0"

contrib/test.sh

@@ -7,11 +7,9 @@ FEATURES="compiler serde rand base64 simplicity"
 cargo --version
 rustc --version
 
-# Pin dependencies required to build with Rust 1.58
-if cargo --version | grep "1\.58"; then
-    cargo update -p byteorder --precise 1.4.3
-    cargo update -p cc --precise 1.0.94
-    cargo update -p ppv-lite86 --precise 0.2.17
+# Pin dependencies required to build with Rust 1.63
+if cargo --version | grep "1\.63"; then
+    cargo update -p regex --precise 1.8.4
 fi
 
 # Format if told to

fuzz/generate-files.sh

@@ -71,7 +71,7 @@ $(for name in $(listTargetNames); do echo "$name,"; done)
           key: cache-\${{ matrix.target }}-\${{ hashFiles('**/Cargo.toml','**/Cargo.lock') }}
       - uses: actions-rs/toolchain@v1
         with:
-          toolchain: 1.58
+          toolchain: 1.63
           override: true
           profile: minimal
       - name: fuzz