Running cargo check --tests on https://github.com/nickel-org/nickel.rs unexpectedly can't find macros. However, cargo test --all compiles fine.

warning: unused #[macro_use] import
--> examples/https.rs:1:1
|
1 | #[macro_use] extern crate nickel;
| ^^^^^^^^^^^^
|
= note: #[warn(unused_imports)] on by default

error: cannot find macro middleware! in this scope
--> examples/integration_testing.rs:90:22
|
90 | server.post("/", middleware! { |req, res|
| ^^^^^^^^^^

error: cannot find macro lazy_static! in this scope
--> examples/integration_testing.rs:279:9
|
279 | lazy_static! {
| ^^^^^^^^^^^

• cargo check --tests fails to compile examples
• cargo check --examples does compile examples, but with warnings
• cargo build --examples compiles examples without warnings