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test(resolver): Verify backtracking for MSRV resolver
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@ -332,6 +332,61 @@ fn dependency_rust_version_older_and_newer_than_package() {
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.run();
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}
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#[cargo_test]
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fn dependency_rust_version_backtracking() {
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Package::new("has-rust-version", "1.6.0")
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.rust_version("1.65.0")
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.file("src/lib.rs", "fn other_stuff() {}")
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.publish();
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Package::new("no-rust-version", "2.1.0")
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.file("src/lib.rs", "fn other_stuff() {}")
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.publish();
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Package::new("no-rust-version", "2.2.0")
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.file("src/lib.rs", "fn other_stuff() {}")
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.dep("has-rust-version", "1.6.0")
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.publish();
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let p = project()
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.file(
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"Cargo.toml",
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r#"
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[package]
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name = "foo"
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version = "0.0.1"
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authors = []
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rust-version = "1.60.0"
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[dependencies]
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no-rust-version = "2"
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"#,
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)
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.file("src/main.rs", "fn main(){}")
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.build();
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p.cargo("check --ignore-rust-version")
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.arg("-Zmsrv-policy")
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.masquerade_as_nightly_cargo(&["msrv-policy"])
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.with_stderr(
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"\
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[UPDATING] `dummy-registry` index
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[DOWNLOADING] crates ...
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[DOWNLOADED] no-rust-version v2.1.0 (registry `dummy-registry`)
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[CHECKING] no-rust-version v2.1.0
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[CHECKING] [..]
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[FINISHED] [..]
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",
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)
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.run();
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p.cargo("check")
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.arg("-Zmsrv-policy")
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.masquerade_as_nightly_cargo(&["msrv-policy"])
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.with_stderr(
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"\
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[FINISHED] [..]
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",
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)
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.run();
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}
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#[cargo_test]
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fn workspace_with_mixed_rust_version() {
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Package::new("bar", "1.4.0")
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