bump msrv to 1.60 to fix compilation

.github/workflows/ci.yml

@@ -5,18 +5,15 @@ on: [push, pull_request, workflow_dispatch]
 jobs:
   ci:
     runs-on: ubuntu-latest
-    env:
-      # work-around https://github.com/rust-lang/cargo/issues/10303
-      CARGO_NET_GIT_FETCH_WITH_CLI: ${{ matrix.rust == '1.45.0' }}
     strategy:
       matrix:
         rust:
-          - 1.45.0
+          - 1.60.0
           - stable
           - beta
           - nightly
         include:
-          - rust: 1.45.0
+          - rust: 1.60.0
             test_features: "--features impl_json_schema"
             allow_failure: false
           - rust: stable
@@ -36,9 +33,6 @@ jobs:
           profile: minimal
           toolchain: ${{ matrix.rust }}
           override: true
-      - if: matrix.rust == '1.45.0'
-        # work-around https://github.com/serde-rs/serde/issues/2255 and similar crate/rustc compatibility issues
-        run: cargo update -p serde --precise 1.0.142 && cargo update -p once_cell --precise 1.10.0 && cargo update -p pretty_assertions --precise 1.2.1 && cargo update -p trybuild --precise 1.0.64
       - name: Check with no feature flags
         run: cargo check --verbose --no-default-features
         continue-on-error: ${{ matrix.allow_failure }}

README.md

@@ -3,7 +3,7 @@
 [![CI Build](https://img.shields.io/github/actions/workflow/status/GREsau/schemars/ci.yml?branch=master&logo=GitHub)](https://github.com/GREsau/schemars/actions)
 [![Crates.io](https://img.shields.io/crates/v/schemars)](https://crates.io/crates/schemars)
 [![Docs](https://docs.rs/schemars/badge.svg)](https://docs.rs/schemars)
-[![rustc 1.45+](https://img.shields.io/badge/schemars-rustc_1.45+-lightgray.svg)](https://blog.rust-lang.org/2020/07/16/Rust-1.45.0.html)
+[![rustc 1.60+](https://img.shields.io/badge/schemars-rustc_1.60+-lightgray.svg)](https://blog.rust-lang.org/2020/07/16/Rust-1.60.0.html)
 
 Generate JSON Schema documents from Rust code
 

clippy.toml

@@ -1 +1 @@
-msrv = "1.45.0"
+msrv = "1.60.0"