Hide dev-dependencies from old cargo

error: failed to select a version for the requirement `clap = "^4"` candidate versions found which didn't match: 3.2.25, 3.2.24, 3.2.23, ... location searched: crates.io index required by package `criterion v0.5.0` ... which is depended on by `unicode-ident v1.0.8 (/home/runner/work/unicode-ident/unicode-ident)`
dtolnay · May 24, 2023 · 8b36684 · 8b36684
1 parent 033985a
commit 8b36684
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Showing 4 changed files with 21 additions and 2 deletions.
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
@@ -44,7 +44,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        rust: [nightly, beta, stable]
+        rust: [nightly, beta, stable, 1.64.0]
     timeout-minutes: 45
     steps:
       - uses: actions/checkout@v3
@@ -66,7 +66,7 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - uses: dtolnay/rust-toolchain@1.31.0
-      - run: cargo check
+      - run: cargo check --manifest-path tests/crate/Cargo.toml
 
   clippy:
     name: Clippy

diff --git a/tests/crate/.gitignore b/tests/crate/.gitignore
@@ -0,0 +1,2 @@
+/target
+/Cargo.lock
diff --git a/tests/crate/Cargo.toml b/tests/crate/Cargo.toml
@@ -0,0 +1,14 @@
+[package]
+name = "unicode-ident-test"
+version = "0.0.0"
+authors = ["David Tolnay <dtolnay@gmail.com>"]
+edition = "2018"
+publish = false
+
+[lib]
+path = "test.rs"
+
+[dependencies]
+unicode-ident = { path = "../.." }
+
+[workspace]
diff --git a/tests/crate/test.rs b/tests/crate/test.rs
@@ -0,0 +1,3 @@
+#![no_std]
+
+pub use unicode_ident::*;