Aug 17 17:55:20.938 INFO checking linkbot-0.0.2 against master#142bb27373126edf8367f526358b6c72ecf1d8df for pr-53426
Aug 17 17:55:20.939 INFO running: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 17 17:55:20.939 INFO creating container for: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 17 17:55:20.939 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-53426/master#142bb27373126edf8367f526358b6c72ecf1d8df:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53426/worker-6/master#142bb27373126edf8367f526358b6c72ecf1d8df:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 17 17:55:21.161 INFO blam! 3d0ced5c28a3a27de28d8079e9c7b577a3bb36501529b5b93f5b85ff5962a7c8
Aug 17 17:55:21.164 INFO running `"docker" "start" "-a" "3d0ced5c28a3a27de28d8079e9c7b577a3bb36501529b5b93f5b85ff5962a7c8"`
Aug 17 17:55:22.111 INFO kablam!     Checking linkbot v0.0.2 (file:///source)
Aug 17 17:55:23.269 INFO kablam! warning: unused variable: `button`
Aug 17 17:55:23.269 INFO kablam!    --> src/lib.rs:342:32
Aug 17 17:55:23.269 INFO kablam!     |
Aug 17 17:55:23.269 INFO kablam! 342 |         l.set_button_handler( |button, state, timestamp| {
Aug 17 17:55:23.269 INFO kablam!     |                                ^^^^^^ help: consider using `_button` instead
Aug 17 17:55:23.286 INFO kablam!     |
Aug 17 17:55:23.287 INFO kablam!     = note: #[warn(unused_variables)] on by default
Aug 17 17:55:23.287 INFO kablam! 
Aug 17 17:55:23.287 INFO kablam! warning: unused variable: `state`
Aug 17 17:55:23.287 INFO kablam!    --> src/lib.rs:342:40
Aug 17 17:55:23.287 INFO kablam!     |
Aug 17 17:55:23.288 INFO kablam! 342 |         l.set_button_handler( |button, state, timestamp| {
Aug 17 17:55:23.288 INFO kablam!     |                                        ^^^^^ help: consider using `_state` instead
Aug 17 17:55:23.288 INFO kablam! 
Aug 17 17:55:23.288 INFO kablam! warning: unused variable: `timestamp`
Aug 17 17:55:23.288 INFO kablam!    --> src/lib.rs:342:47
Aug 17 17:55:23.288 INFO kablam!     |
Aug 17 17:55:23.288 INFO kablam! 342 |         l.set_button_handler( |button, state, timestamp| {
Aug 17 17:55:23.288 INFO kablam!     |                                               ^^^^^^^^^ help: consider using `_timestamp` instead
Aug 17 17:55:23.289 INFO kablam! 
Aug 17 17:55:23.420 INFO kablam! warning: `extern` block uses type `std::sync::Mutex<u8>` which is not FFI-safe: this struct has unspecified layout
Aug 17 17:55:23.420 INFO kablam!    --> src/lib.rs:326:41
Aug 17 17:55:23.420 INFO kablam!     |
Aug 17 17:55:23.420 INFO kablam! 326 |                                     cb: extern fn(i32, i32, i32, *mut Inner),
Aug 17 17:55:23.420 INFO kablam!     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 17 17:55:23.420 INFO kablam!     |
Aug 17 17:55:23.420 INFO kablam!     = note: #[warn(improper_ctypes)] on by default
Aug 17 17:55:23.420 INFO kablam!     = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
Aug 17 17:55:23.420 INFO kablam! 
Aug 17 17:55:23.420 INFO kablam! warning: `extern` block uses type `std::sync::Mutex<u8>` which is not FFI-safe: this struct has unspecified layout
Aug 17 17:55:23.420 INFO kablam!    --> src/lib.rs:327:47
Aug 17 17:55:23.420 INFO kablam!     |
Aug 17 17:55:23.420 INFO kablam! 327 |                                     userdata: *mut Inner) -> i32;
Aug 17 17:55:23.420 INFO kablam!     |                                               ^^^^^^^^^^
Aug 17 17:55:23.420 INFO kablam!     |
Aug 17 17:55:23.421 INFO kablam!     = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
Aug 17 17:55:23.421 INFO kablam! 
Aug 17 17:55:23.421 INFO kablam! warning: `extern` block uses type `std::sync::Mutex<u8>` which is not FFI-safe: this struct has unspecified layout
Aug 17 17:55:23.421 INFO kablam!    --> src/lib.rs:329:42
Aug 17 17:55:23.422 INFO kablam!     |
Aug 17 17:55:23.422 INFO kablam! 329 |                                      cb: Option<extern fn(i32, i32, i32, *mut Inner)>,
Aug 17 17:55:23.422 INFO kablam!     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 17 17:55:23.422 INFO kablam!     |
Aug 17 17:55:23.422 INFO kablam!     = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
Aug 17 17:55:23.423 INFO kablam! 
Aug 17 17:55:23.423 INFO kablam! warning: `extern` block uses type `std::sync::Mutex<u8>` which is not FFI-safe: this struct has unspecified layout
Aug 17 17:55:23.423 INFO kablam!    --> src/lib.rs:330:48
Aug 17 17:55:23.423 INFO kablam!     |
Aug 17 17:55:23.423 INFO kablam! 330 |                                      userdata: *mut Inner) -> i32;
Aug 17 17:55:23.423 INFO kablam!     |                                                ^^^^^^^^^^
Aug 17 17:55:23.423 INFO kablam!     |
Aug 17 17:55:23.424 INFO kablam!     = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
Aug 17 17:55:23.424 INFO kablam! 
Aug 17 17:55:23.425 INFO kablam! warning: unused `std::result::Result` which must be used
Aug 17 17:55:23.425 INFO kablam!    --> src/lib.rs:342:9
Aug 17 17:55:23.425 INFO kablam!     |
Aug 17 17:55:23.425 INFO kablam! 342 | /         l.set_button_handler( |button, state, timestamp| {
Aug 17 17:55:23.425 INFO kablam! 343 | |             println!("Button press!");
Aug 17 17:55:23.425 INFO kablam! 344 | |         });
Aug 17 17:55:23.425 INFO kablam!     | |___________^
Aug 17 17:55:23.425 INFO kablam!     |
Aug 17 17:55:23.426 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Aug 17 17:55:23.426 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Aug 17 17:55:23.426 INFO kablam! 
Aug 17 17:55:23.427 INFO kablam! warning: unused `std::result::Result` which must be used
Aug 17 17:55:23.427 INFO kablam!    --> src/lib.rs:347:9
Aug 17 17:55:23.427 INFO kablam!     |
Aug 17 17:55:23.427 INFO kablam! 347 |         l.move_motors(7, 90.0, 90.0, 90.0);
Aug 17 17:55:23.427 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 17 17:55:23.427 INFO kablam!     |
Aug 17 17:55:23.428 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Aug 17 17:55:23.428 INFO kablam! 
Aug 17 17:55:23.428 INFO kablam! warning: unused `std::result::Result` which must be used
Aug 17 17:55:23.429 INFO kablam!    --> src/lib.rs:348:9
Aug 17 17:55:23.429 INFO kablam!     |
Aug 17 17:55:23.429 INFO kablam! 348 |         l.move_wait(7);
Aug 17 17:55:23.429 INFO kablam!     |         ^^^^^^^^^^^^^^^
Aug 17 17:55:23.429 INFO kablam!     |
Aug 17 17:55:23.429 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Aug 17 17:55:23.430 INFO kablam! 
Aug 17 17:55:23.430 INFO kablam! warning: unused `std::result::Result` which must be used
Aug 17 17:55:23.430 INFO kablam!    --> src/lib.rs:349:9
Aug 17 17:55:23.430 INFO kablam!     |
Aug 17 17:55:23.430 INFO kablam! 349 |         l.move_motors(7, -90.0, -90.0, -90.0);
Aug 17 17:55:23.430 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 17 17:55:23.431 INFO kablam!     |
Aug 17 17:55:23.431 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Aug 17 17:55:23.431 INFO kablam! 
Aug 17 17:55:23.432 INFO kablam! warning: unused `std::result::Result` which must be used
Aug 17 17:55:23.432 INFO kablam!    --> src/lib.rs:350:9
Aug 17 17:55:23.432 INFO kablam!     |
Aug 17 17:55:23.432 INFO kablam! 350 |         l.move_wait(7);
Aug 17 17:55:23.432 INFO kablam!     |         ^^^^^^^^^^^^^^^
Aug 17 17:55:23.432 INFO kablam!     |
Aug 17 17:55:23.433 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Aug 17 17:55:23.433 INFO kablam! 
Aug 17 17:55:23.433 INFO kablam! warning: unused `std::result::Result` which must be used
Aug 17 17:55:23.433 INFO kablam!    --> src/lib.rs:351:9
Aug 17 17:55:23.434 INFO kablam!     |
Aug 17 17:55:23.434 INFO kablam! 351 |         l.unset_button_handler();
Aug 17 17:55:23.434 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 17 17:55:23.434 INFO kablam!     |
Aug 17 17:55:23.434 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Aug 17 17:55:23.435 INFO kablam! 
Aug 17 17:55:23.435 INFO kablam! warning: unused `std::result::Result` which must be used
Aug 17 17:55:23.435 INFO kablam!    --> src/lib.rs:352:9
Aug 17 17:55:23.435 INFO kablam!     |
Aug 17 17:55:23.435 INFO kablam! 352 |         l.set_buzzer_frequency(440.0);
Aug 17 17:55:23.435 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 17 17:55:23.436 INFO kablam!     |
Aug 17 17:55:23.436 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Aug 17 17:55:23.436 INFO kablam! 
Aug 17 17:55:23.437 INFO kablam! warning: unused `std::result::Result` which must be used
Aug 17 17:55:23.437 INFO kablam!    --> src/lib.rs:354:9
Aug 17 17:55:23.437 INFO kablam!     |
Aug 17 17:55:23.437 INFO kablam! 354 |         l.set_buzzer_frequency(0.0);
Aug 17 17:55:23.437 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 17 17:55:23.437 INFO kablam!     |
Aug 17 17:55:23.438 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Aug 17 17:55:23.438 INFO kablam! 
Aug 17 17:55:23.546 INFO kablam! warning: `extern` block uses type `std::sync::Mutex<u8>` which is not FFI-safe: this struct has unspecified layout
Aug 17 17:55:23.546 INFO kablam!    --> src/lib.rs:326:41
Aug 17 17:55:23.546 INFO kablam!     |
Aug 17 17:55:23.546 INFO kablam! 326 |                                     cb: extern fn(i32, i32, i32, *mut Inner),
Aug 17 17:55:23.546 INFO kablam!     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 17 17:55:23.547 INFO kablam!     |
Aug 17 17:55:23.547 INFO kablam!     = note: #[warn(improper_ctypes)] on by default
Aug 17 17:55:23.547 INFO kablam!     = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
Aug 17 17:55:23.548 INFO kablam! 
Aug 17 17:55:23.548 INFO kablam! warning: `extern` block uses type `std::sync::Mutex<u8>` which is not FFI-safe: this struct has unspecified layout
Aug 17 17:55:23.548 INFO kablam!    --> src/lib.rs:327:47
Aug 17 17:55:23.548 INFO kablam!     |
Aug 17 17:55:23.548 INFO kablam! 327 |                                     userdata: *mut Inner) -> i32;
Aug 17 17:55:23.548 INFO kablam!     |                                               ^^^^^^^^^^
Aug 17 17:55:23.549 INFO kablam!     |
Aug 17 17:55:23.549 INFO kablam!     = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
Aug 17 17:55:23.549 INFO kablam! 
Aug 17 17:55:23.550 INFO kablam! warning: `extern` block uses type `std::sync::Mutex<u8>` which is not FFI-safe: this struct has unspecified layout
Aug 17 17:55:23.550 INFO kablam!    --> src/lib.rs:329:42
Aug 17 17:55:23.550 INFO kablam!     |
Aug 17 17:55:23.550 INFO kablam! 329 |                                      cb: Option<extern fn(i32, i32, i32, *mut Inner)>,
Aug 17 17:55:23.550 INFO kablam!     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 17 17:55:23.550 INFO kablam!     |
Aug 17 17:55:23.552 INFO kablam!     = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
Aug 17 17:55:23.552 INFO kablam! 
Aug 17 17:55:23.552 INFO kablam! warning: `extern` block uses type `std::sync::Mutex<u8>` which is not FFI-safe: this struct has unspecified layout
Aug 17 17:55:23.552 INFO kablam!    --> src/lib.rs:330:48
Aug 17 17:55:23.552 INFO kablam!     |
Aug 17 17:55:23.552 INFO kablam! 330 |                                      userdata: *mut Inner) -> i32;
Aug 17 17:55:23.552 INFO kablam!     |                                                ^^^^^^^^^^
Aug 17 17:55:23.552 INFO kablam!     |
Aug 17 17:55:23.552 INFO kablam!     = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
Aug 17 17:55:23.552 INFO kablam! 
Aug 17 17:55:23.609 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.55s
Aug 17 17:55:23.625 INFO kablam! su: No module specific data is present
Aug 17 17:55:24.134 INFO running `"docker" "rm" "-f" "3d0ced5c28a3a27de28d8079e9c7b577a3bb36501529b5b93f5b85ff5962a7c8"`
Aug 17 17:55:24.294 INFO blam! 3d0ced5c28a3a27de28d8079e9c7b577a3bb36501529b5b93f5b85ff5962a7c8