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> rustup run nightly rustc --version
rustc 1.33.0-nightly (bf669d1e3 2019-01-25)
> cargo +nightly test
   Compiling downcast v0.9.2 (/usr/home/somers/src/rust/downcast-rs)
error[E0034]: multiple applicable items in scope
   --> src/lib.rs:120:38
    |
120 |     fn is_type(&self) -> bool { self.type_id() == TypeId::of::<T>() }
    |                                      ^^^^^^^ multiple `type_id` found
    |
note: candidate #1 is defined in the trait `Any`
   --> src/lib.rs:29:5
    |
29  |     fn type_id(&self) -> TypeId { TypeId::of::<Self>() }
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
    = help: to disambiguate the method call, write `Any::type_id(&self)` instead
note: candidate #2 is defined in the trait `std::any::Any`
    = help: to disambiguate the method call, write `std::any::Any::type_id(&self)` instead

error[E0034]: multiple applicable items in scope
   --> src/lib.rs:120:38
    |
120 |     fn is_type(&self) -> bool { self.type_id() == TypeId::of::<T>() }
    |                                      ^^^^^^^ multiple `type_id` found
    |
note: candidate #1 is defined in the trait `Any`
   --> src/lib.rs:29:5
    |
29  |     fn type_id(&self) -> TypeId { TypeId::of::<Self>() }
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
    = help: to disambiguate the method call, write `Any::type_id(&self)` instead
note: candidate #2 is defined in the trait `std::any::Any`
    = help: to disambiguate the method call, write `std::any::Any::type_id(&self)` instead

error: aborting due to previous error

For more information about this error, try `rustc --explain E0034`.
error: aborting due to previous error

For more information about this error, try `rustc --explain E0034`.
error: Could not compile `downcast`.
warning: build failed, waiting for other jobs to finish...
error: Could not compile `downcast`.

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