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warning: unexpected `cfg` condition value: (none)
--> $DIR/concat-values.rs:5:7
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LL | #[cfg(my_cfg)]
| ^^^^^^
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= note: expected values for `my_cfg` are: `bar`, `foo`
= help: to expect this configuration use `--check-cfg=cfg(my_cfg)`
= note: see <https://doc.rust-lang.org/nightly/unstable-book/compiler-flags/check-cfg.html> for more information about checking conditional configuration
= note: `#[warn(unexpected_cfgs)]` on by default
warning: unexpected `cfg` condition value: `unk`
--> $DIR/concat-values.rs:9:7
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LL | #[cfg(my_cfg = "unk")]
| ^^^^^^^^^^^^^^
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= note: expected values for `my_cfg` are: `bar`, `foo`
= help: to expect this configuration use `--check-cfg=cfg(my_cfg, values("unk"))`
= note: see <https://doc.rust-lang.org/nightly/unstable-book/compiler-flags/check-cfg.html> for more information about checking conditional configuration
warning: 2 warnings emitted
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