Jul 12 05:04:17.031 INFO checking linkbot-0.0.2 against try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255 for pr-52234
Jul 12 05:04:17.031 INFO running: cargo +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets
Jul 12 05:04:17.031 INFO creating container for: cargo +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets
Jul 12 05:04:17.031 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-52234/try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-52234/worker-1/try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255:/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 +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Jul 12 05:04:17.274 INFO blam! 797d6cb22e8df30559c8712b6b26f43a346433744ad28e9638fb86cab7cd497d
Jul 12 05:04:17.277 INFO running `"docker" "start" "-a" "797d6cb22e8df30559c8712b6b26f43a346433744ad28e9638fb86cab7cd497d"`
Jul 12 05:04:18.543 INFO kablam!     Checking linkbot v0.0.2 (file:///source)
Jul 12 05:04:19.372 INFO kablam! warning: unused variable: `button`
Jul 12 05:04:19.373 INFO kablam!    --> src/lib.rs:342:32
Jul 12 05:04:19.373 INFO kablam!     |
Jul 12 05:04:19.373 INFO kablam! 342 |         l.set_button_handler( |button, state, timestamp| {
Jul 12 05:04:19.373 INFO kablam!     |                                ^^^^^^ help: consider using `_button` instead
Jul 12 05:04:19.373 INFO kablam!     |
Jul 12 05:04:19.373 INFO kablam!     = note: #[warn(unused_variables)] on by default
Jul 12 05:04:19.373 INFO kablam! 
Jul 12 05:04:19.373 INFO kablam! warning: unused variable: `state`
Jul 12 05:04:19.373 INFO kablam!    --> src/lib.rs:342:40
Jul 12 05:04:19.373 INFO kablam!     |
Jul 12 05:04:19.373 INFO kablam! 342 |         l.set_button_handler( |button, state, timestamp| {
Jul 12 05:04:19.373 INFO kablam!     |                                        ^^^^^ help: consider using `_state` instead
Jul 12 05:04:19.373 INFO kablam! 
Jul 12 05:04:19.373 INFO kablam! warning: unused variable: `timestamp`
Jul 12 05:04:19.373 INFO kablam!    --> src/lib.rs:342:47
Jul 12 05:04:19.373 INFO kablam!     |
Jul 12 05:04:19.373 INFO kablam! 342 |         l.set_button_handler( |button, state, timestamp| {
Jul 12 05:04:19.373 INFO kablam!     |                                               ^^^^^^^^^ help: consider using `_timestamp` instead
Jul 12 05:04:19.373 INFO kablam! 
Jul 12 05:04:19.413 INFO kablam! warning: `extern` block uses type `std::sync::Mutex<u8>` which is not FFI-safe: this struct has unspecified layout
Jul 12 05:04:19.413 INFO kablam!    --> src/lib.rs:326:41
Jul 12 05:04:19.413 INFO kablam!     |
Jul 12 05:04:19.413 INFO kablam! 326 |                                     cb: extern fn(i32, i32, i32, *mut Inner),
Jul 12 05:04:19.413 INFO kablam!     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jul 12 05:04:19.416 INFO kablam!     |
Jul 12 05:04:19.416 INFO kablam!     = note: #[warn(improper_ctypes)] on by default
Jul 12 05:04:19.416 INFO kablam!     = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
Jul 12 05:04:19.416 INFO kablam! 
Jul 12 05:04:19.416 INFO kablam! warning: `extern` block uses type `std::sync::Mutex<u8>` which is not FFI-safe: this struct has unspecified layout
Jul 12 05:04:19.416 INFO kablam!    --> src/lib.rs:327:47
Jul 12 05:04:19.416 INFO kablam!     |
Jul 12 05:04:19.416 INFO kablam! 327 |                                     userdata: *mut Inner) -> i32;
Jul 12 05:04:19.416 INFO kablam!     |                                               ^^^^^^^^^^
Jul 12 05:04:19.416 INFO kablam!     |
Jul 12 05:04:19.416 INFO kablam!     = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
Jul 12 05:04:19.416 INFO kablam! 
Jul 12 05:04:19.416 INFO kablam! warning: `extern` block uses type `std::sync::Mutex<u8>` which is not FFI-safe: this struct has unspecified layout
Jul 12 05:04:19.416 INFO kablam!    --> src/lib.rs:329:42
Jul 12 05:04:19.416 INFO kablam!     |
Jul 12 05:04:19.416 INFO kablam! 329 |                                      cb: Option<extern fn(i32, i32, i32, *mut Inner)>,
Jul 12 05:04:19.416 INFO kablam!     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jul 12 05:04:19.416 INFO kablam!     |
Jul 12 05:04:19.416 INFO kablam!     = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
Jul 12 05:04:19.416 INFO kablam! 
Jul 12 05:04:19.416 INFO kablam! warning: `extern` block uses type `std::sync::Mutex<u8>` which is not FFI-safe: this struct has unspecified layout
Jul 12 05:04:19.416 INFO kablam!    --> src/lib.rs:330:48
Jul 12 05:04:19.416 INFO kablam!     |
Jul 12 05:04:19.416 INFO kablam! 330 |                                      userdata: *mut Inner) -> i32;
Jul 12 05:04:19.416 INFO kablam!     |                                                ^^^^^^^^^^
Jul 12 05:04:19.417 INFO kablam!     |
Jul 12 05:04:19.417 INFO kablam!     = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
Jul 12 05:04:19.417 INFO kablam! 
Jul 12 05:04:19.417 INFO kablam! warning: unused `std::result::Result` which must be used
Jul 12 05:04:19.417 INFO kablam!    --> src/lib.rs:342:9
Jul 12 05:04:19.417 INFO kablam!     |
Jul 12 05:04:19.417 INFO kablam! 342 | /         l.set_button_handler( |button, state, timestamp| {
Jul 12 05:04:19.417 INFO kablam! 343 | |             println!("Button press!");
Jul 12 05:04:19.417 INFO kablam! 344 | |         });
Jul 12 05:04:19.417 INFO kablam!     | |___________^
Jul 12 05:04:19.417 INFO kablam!     |
Jul 12 05:04:19.417 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Jul 12 05:04:19.417 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Jul 12 05:04:19.417 INFO kablam! 
Jul 12 05:04:19.417 INFO kablam! warning: unused `std::result::Result` which must be used
Jul 12 05:04:19.417 INFO kablam!    --> src/lib.rs:347:9
Jul 12 05:04:19.417 INFO kablam!     |
Jul 12 05:04:19.417 INFO kablam! 347 |         l.move_motors(7, 90.0, 90.0, 90.0);
Jul 12 05:04:19.417 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jul 12 05:04:19.417 INFO kablam!     |
Jul 12 05:04:19.417 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Jul 12 05:04:19.417 INFO kablam! 
Jul 12 05:04:19.417 INFO kablam! warning: unused `std::result::Result` which must be used
Jul 12 05:04:19.417 INFO kablam!    --> src/lib.rs:348:9
Jul 12 05:04:19.417 INFO kablam!     |
Jul 12 05:04:19.417 INFO kablam! 348 |         l.move_wait(7);
Jul 12 05:04:19.417 INFO kablam!     |         ^^^^^^^^^^^^^^^
Jul 12 05:04:19.418 INFO kablam!     |
Jul 12 05:04:19.418 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Jul 12 05:04:19.418 INFO kablam! 
Jul 12 05:04:19.418 INFO kablam! warning: unused `std::result::Result` which must be used
Jul 12 05:04:19.418 INFO kablam!    --> src/lib.rs:349:9
Jul 12 05:04:19.418 INFO kablam!     |
Jul 12 05:04:19.418 INFO kablam! 349 |         l.move_motors(7, -90.0, -90.0, -90.0);
Jul 12 05:04:19.418 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jul 12 05:04:19.418 INFO kablam!     |
Jul 12 05:04:19.418 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Jul 12 05:04:19.418 INFO kablam! 
Jul 12 05:04:19.418 INFO kablam! warning: unused `std::result::Result` which must be used
Jul 12 05:04:19.418 INFO kablam!    --> src/lib.rs:350:9
Jul 12 05:04:19.418 INFO kablam!     |
Jul 12 05:04:19.418 INFO kablam! 350 |         l.move_wait(7);
Jul 12 05:04:19.418 INFO kablam!     |         ^^^^^^^^^^^^^^^
Jul 12 05:04:19.418 INFO kablam!     |
Jul 12 05:04:19.418 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Jul 12 05:04:19.418 INFO kablam! 
Jul 12 05:04:19.418 INFO kablam! warning: unused `std::result::Result` which must be used
Jul 12 05:04:19.418 INFO kablam!    --> src/lib.rs:351:9
Jul 12 05:04:19.418 INFO kablam!     |
Jul 12 05:04:19.418 INFO kablam! 351 |         l.unset_button_handler();
Jul 12 05:04:19.418 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
Jul 12 05:04:19.418 INFO kablam!     |
Jul 12 05:04:19.418 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Jul 12 05:04:19.418 INFO kablam! 
Jul 12 05:04:19.418 INFO kablam! warning: unused `std::result::Result` which must be used
Jul 12 05:04:19.418 INFO kablam!    --> src/lib.rs:352:9
Jul 12 05:04:19.418 INFO kablam!     |
Jul 12 05:04:19.418 INFO kablam! 352 |         l.set_buzzer_frequency(440.0);
Jul 12 05:04:19.419 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jul 12 05:04:19.419 INFO kablam!     |
Jul 12 05:04:19.419 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Jul 12 05:04:19.419 INFO kablam! 
Jul 12 05:04:19.419 INFO kablam! warning: unused `std::result::Result` which must be used
Jul 12 05:04:19.419 INFO kablam!    --> src/lib.rs:354:9
Jul 12 05:04:19.419 INFO kablam!     |
Jul 12 05:04:19.419 INFO kablam! 354 |         l.set_buzzer_frequency(0.0);
Jul 12 05:04:19.419 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jul 12 05:04:19.419 INFO kablam!     |
Jul 12 05:04:19.419 INFO kablam! warning: `extern` block uses type `std::sync::Mutex<u8>` which is not FFI-safe: this struct has unspecified layout
Jul 12 05:04:19.419 INFO kablam!    --> src/lib.rs:326:41
Jul 12 05:04:19.419 INFO kablam!     |
Jul 12 05:04:19.419 INFO kablam! 326 |                                     cb: extern fn(i32, i32, i32, *mut Inner),
Jul 12 05:04:19.419 INFO kablam!     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jul 12 05:04:19.419 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Jul 12 05:04:19.419 INFO kablam! 
Jul 12 05:04:19.419 INFO kablam!     |
Jul 12 05:04:19.419 INFO kablam!     = note: #[warn(improper_ctypes)] on by default
Jul 12 05:04:19.419 INFO kablam!     = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
Jul 12 05:04:19.419 INFO kablam! 
Jul 12 05:04:19.419 INFO kablam! warning: `extern` block uses type `std::sync::Mutex<u8>` which is not FFI-safe: this struct has unspecified layout
Jul 12 05:04:19.419 INFO kablam!    --> src/lib.rs:327:47
Jul 12 05:04:19.419 INFO kablam!     |
Jul 12 05:04:19.419 INFO kablam! 327 |                                     userdata: *mut Inner) -> i32;
Jul 12 05:04:19.419 INFO kablam!     |                                               ^^^^^^^^^^
Jul 12 05:04:19.419 INFO kablam!     |
Jul 12 05:04:19.419 INFO kablam!     = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
Jul 12 05:04:19.420 INFO kablam! 
Jul 12 05:04:19.420 INFO kablam! warning: `extern` block uses type `std::sync::Mutex<u8>` which is not FFI-safe: this struct has unspecified layout
Jul 12 05:04:19.420 INFO kablam!    --> src/lib.rs:329:42
Jul 12 05:04:19.420 INFO kablam!     |
Jul 12 05:04:19.420 INFO kablam! 329 |                                      cb: Option<extern fn(i32, i32, i32, *mut Inner)>,
Jul 12 05:04:19.420 INFO kablam!     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jul 12 05:04:19.420 INFO kablam!     |
Jul 12 05:04:19.420 INFO kablam!     = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
Jul 12 05:04:19.420 INFO kablam! 
Jul 12 05:04:19.420 INFO kablam! warning: `extern` block uses type `std::sync::Mutex<u8>` which is not FFI-safe: this struct has unspecified layout
Jul 12 05:04:19.420 INFO kablam!    --> src/lib.rs:330:48
Jul 12 05:04:19.420 INFO kablam!     |
Jul 12 05:04:19.420 INFO kablam! 330 |                                      userdata: *mut Inner) -> i32;
Jul 12 05:04:19.420 INFO kablam!     |                                                ^^^^^^^^^^
Jul 12 05:04:19.420 INFO kablam!     |
Jul 12 05:04:19.420 INFO kablam!     = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
Jul 12 05:04:19.420 INFO kablam! 
Jul 12 05:04:19.458 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
Jul 12 05:04:19.473 INFO kablam! su: No module specific data is present
Jul 12 05:04:20.060 INFO running `"docker" "rm" "-f" "797d6cb22e8df30559c8712b6b26f43a346433744ad28e9638fb86cab7cd497d"`
Jul 12 05:04:20.234 INFO blam! 797d6cb22e8df30559c8712b6b26f43a346433744ad28e9638fb86cab7cd497d