Sep 04 14:52:56.377 INFO checking linkbot-0.0.2 against try#5fe695a3844714c70e8f7731a553f7947987a68a for pr-53913
Sep 04 14:52:56.377 INFO running: cargo +5fe695a3844714c70e8f7731a553f7947987a68a-alt check --frozen --all --all-targets
Sep 04 14:52:56.377 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53913/try#5fe695a3844714c70e8f7731a553f7947987a68a:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-0/try#5fe695a3844714c70e8f7731a553f7947987a68a:/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 +5fe695a3844714c70e8f7731a553f7947987a68a-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 14:52:56.534 INFO blam! 8297509ebf495e538e55b21005742eb32a347e742cf125f3578e7c9a219901fe
Sep 04 14:52:56.535 INFO running `"docker" "start" "-a" "8297509ebf495e538e55b21005742eb32a347e742cf125f3578e7c9a219901fe"`
Sep 04 14:52:57.298 INFO kablam!     Checking linkbot v0.0.2 (file:///source)
Sep 04 14:52:57.797 INFO kablam! warning: `extern` block uses type `std::sync::Mutex<u8>` which is not FFI-safe: this struct has unspecified layout
Sep 04 14:52:57.797 INFO kablam!    --> src/lib.rs:326:41
Sep 04 14:52:57.797 INFO kablam!     |
Sep 04 14:52:57.797 INFO kablam! 326 |                                     cb: extern fn(i32, i32, i32, *mut Inner),
Sep 04 14:52:57.797 INFO kablam!     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 14:52:57.797 INFO kablam!     |
Sep 04 14:52:57.797 INFO kablam!     = note: #[warn(improper_ctypes)] on by default
Sep 04 14:52:57.798 INFO kablam!     = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
Sep 04 14:52:57.798 INFO kablam! 
Sep 04 14:52:57.798 INFO kablam! warning: `extern` block uses type `std::sync::Mutex<u8>` which is not FFI-safe: this struct has unspecified layout
Sep 04 14:52:57.798 INFO kablam!    --> src/lib.rs:327:47
Sep 04 14:52:57.798 INFO kablam!     |
Sep 04 14:52:57.798 INFO kablam! 327 |                                     userdata: *mut Inner) -> i32;
Sep 04 14:52:57.798 INFO kablam!     |                                               ^^^^^^^^^^
Sep 04 14:52:57.798 INFO kablam!     |
Sep 04 14:52:57.798 INFO kablam!     = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
Sep 04 14:52:57.798 INFO kablam! 
Sep 04 14:52:57.798 INFO kablam! warning: `extern` block uses type `std::sync::Mutex<u8>` which is not FFI-safe: this struct has unspecified layout
Sep 04 14:52:57.798 INFO kablam!    --> src/lib.rs:329:42
Sep 04 14:52:57.798 INFO kablam!     |
Sep 04 14:52:57.798 INFO kablam! 329 |                                      cb: Option<extern fn(i32, i32, i32, *mut Inner)>,
Sep 04 14:52:57.799 INFO kablam!     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 14:52:57.799 INFO kablam!     |
Sep 04 14:52:57.799 INFO kablam!     = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
Sep 04 14:52:57.799 INFO kablam! 
Sep 04 14:52:57.799 INFO kablam! warning: `extern` block uses type `std::sync::Mutex<u8>` which is not FFI-safe: this struct has unspecified layout
Sep 04 14:52:57.799 INFO kablam!    --> src/lib.rs:330:48
Sep 04 14:52:57.799 INFO kablam!     |
Sep 04 14:52:57.799 INFO kablam! 330 |                                      userdata: *mut Inner) -> i32;
Sep 04 14:52:57.799 INFO kablam!     |                                                ^^^^^^^^^^
Sep 04 14:52:57.799 INFO kablam!     |
Sep 04 14:52:57.799 INFO kablam!     = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
Sep 04 14:52:57.799 INFO kablam! 
Sep 04 14:52:57.832 INFO kablam! warning: unused variable: `button`
Sep 04 14:52:57.833 INFO kablam!    --> src/lib.rs:342:32
Sep 04 14:52:57.833 INFO kablam!     |
Sep 04 14:52:57.833 INFO kablam! 342 |         l.set_button_handler( |button, state, timestamp| {
Sep 04 14:52:57.833 INFO kablam!     |                                ^^^^^^ help: consider using `_button` instead
Sep 04 14:52:57.833 INFO kablam!     |
Sep 04 14:52:57.833 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 04 14:52:57.833 INFO kablam! 
Sep 04 14:52:57.833 INFO kablam! warning: unused variable: `state`
Sep 04 14:52:57.833 INFO kablam!    --> src/lib.rs:342:40
Sep 04 14:52:57.833 INFO kablam!     |
Sep 04 14:52:57.833 INFO kablam! 342 |         l.set_button_handler( |button, state, timestamp| {
Sep 04 14:52:57.833 INFO kablam!     |                                        ^^^^^ help: consider using `_state` instead
Sep 04 14:52:57.833 INFO kablam! 
Sep 04 14:52:57.833 INFO kablam! warning: unused variable: `timestamp`
Sep 04 14:52:57.833 INFO kablam!    --> src/lib.rs:342:47
Sep 04 14:52:57.833 INFO kablam!     |
Sep 04 14:52:57.833 INFO kablam! 342 |         l.set_button_handler( |button, state, timestamp| {
Sep 04 14:52:57.833 INFO kablam!     |                                               ^^^^^^^^^ help: consider using `_timestamp` instead
Sep 04 14:52:57.833 INFO kablam! 
Sep 04 14:52:57.857 INFO kablam! warning: `extern` block uses type `std::sync::Mutex<u8>` which is not FFI-safe: this struct has unspecified layout
Sep 04 14:52:57.858 INFO kablam!    --> src/lib.rs:326:41
Sep 04 14:52:57.858 INFO kablam!     |
Sep 04 14:52:57.858 INFO kablam! 326 |                                     cb: extern fn(i32, i32, i32, *mut Inner),
Sep 04 14:52:57.858 INFO kablam!     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 14:52:57.858 INFO kablam!     |
Sep 04 14:52:57.858 INFO kablam!     = note: #[warn(improper_ctypes)] on by default
Sep 04 14:52:57.858 INFO kablam!     = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
Sep 04 14:52:57.858 INFO kablam! 
Sep 04 14:52:57.858 INFO kablam! warning: `extern` block uses type `std::sync::Mutex<u8>` which is not FFI-safe: this struct has unspecified layout
Sep 04 14:52:57.858 INFO kablam!    --> src/lib.rs:327:47
Sep 04 14:52:57.858 INFO kablam!     |
Sep 04 14:52:57.858 INFO kablam! 327 |                                     userdata: *mut Inner) -> i32;
Sep 04 14:52:57.858 INFO kablam!     |                                               ^^^^^^^^^^
Sep 04 14:52:57.859 INFO kablam!     |
Sep 04 14:52:57.859 INFO kablam!     = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
Sep 04 14:52:57.859 INFO kablam! 
Sep 04 14:52:57.859 INFO kablam! warning: `extern` block uses type `std::sync::Mutex<u8>` which is not FFI-safe: this struct has unspecified layout
Sep 04 14:52:57.859 INFO kablam!    --> src/lib.rs:329:42
Sep 04 14:52:57.859 INFO kablam!     |
Sep 04 14:52:57.859 INFO kablam! 329 |                                      cb: Option<extern fn(i32, i32, i32, *mut Inner)>,
Sep 04 14:52:57.859 INFO kablam!     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 14:52:57.859 INFO kablam!     |
Sep 04 14:52:57.859 INFO kablam!     = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
Sep 04 14:52:57.859 INFO kablam! 
Sep 04 14:52:57.859 INFO kablam! warning: `extern` block uses type `std::sync::Mutex<u8>` which is not FFI-safe: this struct has unspecified layout
Sep 04 14:52:57.859 INFO kablam!    --> src/lib.rs:330:48
Sep 04 14:52:57.859 INFO kablam!     |
Sep 04 14:52:57.859 INFO kablam! 330 |                                      userdata: *mut Inner) -> i32;
Sep 04 14:52:57.859 INFO kablam!     |                                                ^^^^^^^^^^
Sep 04 14:52:57.859 INFO kablam!     |
Sep 04 14:52:57.859 INFO kablam!     = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
Sep 04 14:52:57.859 INFO kablam! 
Sep 04 14:52:57.859 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 04 14:52:57.859 INFO kablam!    --> src/lib.rs:342:9
Sep 04 14:52:57.859 INFO kablam!     |
Sep 04 14:52:57.859 INFO kablam! 342 | /         l.set_button_handler( |button, state, timestamp| {
Sep 04 14:52:57.859 INFO kablam! 343 | |             println!("Button press!");
Sep 04 14:52:57.859 INFO kablam! 344 | |         });
Sep 04 14:52:57.859 INFO kablam!     | |___________^
Sep 04 14:52:57.859 INFO kablam!     |
Sep 04 14:52:57.859 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 04 14:52:57.859 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 04 14:52:57.859 INFO kablam! 
Sep 04 14:52:57.859 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 04 14:52:57.859 INFO kablam!    --> src/lib.rs:347:9
Sep 04 14:52:57.859 INFO kablam!     |
Sep 04 14:52:57.859 INFO kablam! 347 |         l.move_motors(7, 90.0, 90.0, 90.0);
Sep 04 14:52:57.859 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 14:52:57.860 INFO kablam!     |
Sep 04 14:52:57.860 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 04 14:52:57.860 INFO kablam! 
Sep 04 14:52:57.861 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 04 14:52:57.861 INFO kablam!    --> src/lib.rs:348:9
Sep 04 14:52:57.861 INFO kablam!     |
Sep 04 14:52:57.861 INFO kablam! 348 |         l.move_wait(7);
Sep 04 14:52:57.861 INFO kablam!     |         ^^^^^^^^^^^^^^^
Sep 04 14:52:57.861 INFO kablam!     |
Sep 04 14:52:57.861 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 04 14:52:57.861 INFO kablam! 
Sep 04 14:52:57.861 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 04 14:52:57.861 INFO kablam!    --> src/lib.rs:349:9
Sep 04 14:52:57.861 INFO kablam!     |
Sep 04 14:52:57.861 INFO kablam! 349 |         l.move_motors(7, -90.0, -90.0, -90.0);
Sep 04 14:52:57.861 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 14:52:57.861 INFO kablam!     |
Sep 04 14:52:57.861 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 04 14:52:57.861 INFO kablam! 
Sep 04 14:52:57.861 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 04 14:52:57.861 INFO kablam!    --> src/lib.rs:350:9
Sep 04 14:52:57.861 INFO kablam!     |
Sep 04 14:52:57.861 INFO kablam! 350 |         l.move_wait(7);
Sep 04 14:52:57.861 INFO kablam!     |         ^^^^^^^^^^^^^^^
Sep 04 14:52:57.861 INFO kablam!     |
Sep 04 14:52:57.861 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 04 14:52:57.862 INFO kablam! 
Sep 04 14:52:57.862 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 04 14:52:57.862 INFO kablam!    --> src/lib.rs:351:9
Sep 04 14:52:57.862 INFO kablam!     |
Sep 04 14:52:57.862 INFO kablam! 351 |         l.unset_button_handler();
Sep 04 14:52:57.862 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 14:52:57.862 INFO kablam!     |
Sep 04 14:52:57.862 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 04 14:52:57.862 INFO kablam! 
Sep 04 14:52:57.862 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 04 14:52:57.862 INFO kablam!    --> src/lib.rs:352:9
Sep 04 14:52:57.862 INFO kablam!     |
Sep 04 14:52:57.862 INFO kablam! 352 |         l.set_buzzer_frequency(440.0);
Sep 04 14:52:57.862 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 14:52:57.862 INFO kablam!     |
Sep 04 14:52:57.862 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 04 14:52:57.862 INFO kablam! 
Sep 04 14:52:57.862 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 04 14:52:57.862 INFO kablam!    --> src/lib.rs:354:9
Sep 04 14:52:57.862 INFO kablam!     |
Sep 04 14:52:57.862 INFO kablam! 354 |         l.set_buzzer_frequency(0.0);
Sep 04 14:52:57.862 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 14:52:57.862 INFO kablam!     |
Sep 04 14:52:57.862 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 04 14:52:57.862 INFO kablam! 
Sep 04 14:52:57.875 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
Sep 04 14:52:57.877 INFO kablam! su: No module specific data is present
Sep 04 14:52:58.496 INFO running `"docker" "rm" "-f" "8297509ebf495e538e55b21005742eb32a347e742cf125f3578e7c9a219901fe"`
Sep 04 14:52:58.610 INFO blam! 8297509ebf495e538e55b21005742eb32a347e742cf125f3578e7c9a219901fe