chore: bump MSRV to 1.73

With the upcoming `v0.53` release, I'd suggest we also bump the MSRV. This will allows to make use of new things like:

- `let else`
- `std::pin::pin!`
- `OnceCell`

For now, this PR doesn't make us of any of these. We can always ship them as internal improvements later and enforce certain things via lints (like `let else`).

Pull-Request: #4692.

Cargo.toml

@@ -67,7 +67,7 @@ members = [
 resolver = "2"
 
 [workspace.package]
-rust-version = "1.65.0"
+rust-version = "1.73.0"
 
 [workspace.dependencies]
 futures-bounded = { version = "0.1.0", path = "misc/futures-bounded" }

interop-tests/Dockerfile.chromium

@@ -1,5 +1,5 @@
 # syntax=docker/dockerfile:1.5-labs
-FROM rust:1.67.0 as chef
+FROM rust:1.73.0 as chef
 RUN rustup target add wasm32-unknown-unknown
 RUN wget -q -O- https://github.com/rustwasm/wasm-pack/releases/download/v0.12.1/wasm-pack-v0.12.1-x86_64-unknown-linux-musl.tar.gz | tar -zx -C /usr/local/bin --strip-components 1 --wildcards "wasm-pack-*/wasm-pack"
 RUN wget -q -O- https://github.com/WebAssembly/binaryen/releases/download/version_115/binaryen-version_115-x86_64-linux.tar.gz | tar -zx -C /usr/local/bin --strip-components 2 --wildcards "binaryen-version_*/bin/wasm-opt"
@@ -14,13 +14,13 @@ FROM chef AS builder
 COPY --from=planner /app/recipe.json recipe.json
 # Build dependencies - this is the caching Docker layer!
 RUN cargo chef cook --release --package interop-tests --target wasm32-unknown-unknown --recipe-path recipe.json
-RUN cargo chef cook --release --package interop-tests --bin wasm_ping --recipe-path recipe.json
+RUN RUSTFLAGS='-C target-feature=+crt-static' cargo chef cook --release --package interop-tests --target x86_64-unknown-linux-gnu --bin wasm_ping --recipe-path recipe.json
 # Build application
 COPY . .
 RUN wasm-pack build --target web interop-tests
-RUN cargo build --release --package interop-tests --bin wasm_ping
+RUN RUSTFLAGS='-C target-feature=+crt-static' cargo build --release --package interop-tests --target x86_64-unknown-linux-gnu --bin wasm_ping
 
 FROM selenium/standalone-chrome:115.0
-COPY --from=builder /app/target/release/wasm_ping /usr/local/bin/testplan
+COPY --from=builder /app/target/x86_64-unknown-linux-gnu/release/wasm_ping /usr/local/bin/testplan
 ENV RUST_BACKTRACE=1
 ENTRYPOINT ["testplan"]

interop-tests/Dockerfile.native

@@ -1,5 +1,5 @@
 # syntax=docker/dockerfile:1.5-labs
-FROM rust:1.67.0 as chef
+FROM rust:1.73.0 as chef
 RUN wget -q -O- https://github.com/LukeMathWalker/cargo-chef/releases/download/v0.1.62/cargo-chef-x86_64-unknown-linux-gnu.tar.gz | tar -zx -C /usr/local/bin
 WORKDIR /app
 
@@ -10,12 +10,12 @@ RUN cargo chef prepare --recipe-path recipe.json
 FROM chef AS builder
 COPY --from=planner /app/recipe.json recipe.json
 # Build dependencies - this is the caching Docker layer!
-RUN cargo chef cook --release --package interop-tests --bin native_ping --recipe-path recipe.json
+RUN RUSTFLAGS='-C target-feature=+crt-static' cargo chef cook --release --package interop-tests --target x86_64-unknown-linux-gnu --bin native_ping --recipe-path recipe.json
 # Build application
 COPY . .
-RUN cargo build --release --package interop-tests --bin native_ping
+RUN RUSTFLAGS='-C target-feature=+crt-static' cargo build --release --package interop-tests --target x86_64-unknown-linux-gnu --bin native_ping
 
-FROM gcr.io/distroless/cc
-COPY --from=builder /app/target/release/native_ping /usr/local/bin/testplan
+FROM scratch
+COPY --from=builder /app/target/x86_64-unknown-linux-gnu/release/native_ping /usr/local/bin/testplan
 ENV RUST_BACKTRACE=1
 ENTRYPOINT ["testplan"]

libp2p/CHANGELOG.md

@@ -1,5 +1,7 @@
 ## 0.53.0 - unreleased
 
+- Raise MSRV to 1.73.
+ See [PR 4692](https://github.com/libp2p/rust-libp2p/pull/4692).
 - Remove deprecated `libp2p-wasm-ext`.
  Users should use `libp2p-websocket-websys` instead.
  See [PR 4694](https://github.com/libp2p/rust-libp2p/pull/4694).

misc/server/Dockerfile

@@ -1,5 +1,5 @@
 # syntax=docker/dockerfile:1.5-labs
-FROM rust:1.67.0 as chef
+FROM rust:1.73.0 as chef
 RUN wget -q -O- https://github.com/LukeMathWalker/cargo-chef/releases/download/v0.1.62/cargo-chef-x86_64-unknown-linux-gnu.tar.gz | tar -zx -C /usr/local/bin
 RUN cargo install --locked --root /usr/local libp2p-lookup --version 0.6.4
 WORKDIR /app