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src/main.rs:7:49: 7:57 error: type `core::result::Result<glfw::Glfw, glfw::InitError>` does not implement any method in scope named `unwrap`

src/main.rs:7     let glfw = glfw::init(glfw::FAIL_ON_ERRORS).unwrap();

                                                              ^~~~~~~~

src/main.rs:18:5: 18:26 error: the type of this value must be known in this context

src/main.rs:18     window.make_current();

                   ^~~~~~~~~~~~~~~~~~~~~

src/main.rs:18:26: 18:26 help: methods from traits can only be called if the trait is implemented and in scope; the following trait defines a method `make_current`, perhaps you need to implement it:

src/main.rs:18:26: 18:26 help: candidate #1: `glfw::Context`

src/main.rs:34:30: 34:30 help: methods from traits can only be called if the trait is implemented and in scope; the following trait defines a method `swap_buffers`, perhaps you need to implement it:

src/main.rs:34:30: 34:30 help: candidate #1: `glfw::Context`

error: aborting due to 2 previous errors

Could not compile `hello_world`.