Jul 12 05:04:17.756 INFO checking linkbot-0.0.2 against master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9 for pr-52234
Jul 12 05:04:17.756 INFO running: cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets
Jul 12 05:04:17.756 INFO creating container for: cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets
Jul 12 05:04:17.756 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-52234/master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-52234/worker-4/master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9:/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 +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Jul 12 05:04:17.988 INFO blam! 60503d7d5b7a103ae75bb87ef257f375c8c47232f96dcca5a6f4a0ff2904367a
Jul 12 05:04:17.990 INFO running `"docker" "start" "-a" "60503d7d5b7a103ae75bb87ef257f375c8c47232f96dcca5a6f4a0ff2904367a"`
Jul 12 05:04:19.062 INFO kablam!     Checking linkbot v0.0.2 (file:///source)
Jul 12 05:04:19.915 INFO kablam! warning: `extern` block uses type `std::sync::Mutex<u8>` which is not FFI-safe: this struct has unspecified layout
Jul 12 05:04:19.915 INFO kablam!    --> src/lib.rs:326:41
Jul 12 05:04:19.915 INFO kablam!     |
Jul 12 05:04:19.915 INFO kablam! 326 |                                     cb: extern fn(i32, i32, i32, *mut Inner),
Jul 12 05:04:19.915 INFO kablam!     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jul 12 05:04:19.915 INFO kablam!     |
Jul 12 05:04:19.915 INFO kablam!     = note: #[warn(improper_ctypes)] on by default
Jul 12 05:04:19.916 INFO kablam!     = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
Jul 12 05:04:19.916 INFO kablam! 
Jul 12 05:04:19.916 INFO kablam! warning: `extern` block uses type `std::sync::Mutex<u8>` which is not FFI-safe: this struct has unspecified layout
Jul 12 05:04:19.916 INFO kablam!    --> src/lib.rs:327:47
Jul 12 05:04:19.916 INFO kablam!     |
Jul 12 05:04:19.916 INFO kablam! 327 |                                     userdata: *mut Inner) -> i32;
Jul 12 05:04:19.916 INFO kablam!     |                                               ^^^^^^^^^^
Jul 12 05:04:19.916 INFO kablam!     |
Jul 12 05:04:19.916 INFO kablam!     = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
Jul 12 05:04:19.918 INFO kablam! 
Jul 12 05:04:19.918 INFO kablam! warning: `extern` block uses type `std::sync::Mutex<u8>` which is not FFI-safe: this struct has unspecified layout
Jul 12 05:04:19.918 INFO kablam!    --> src/lib.rs:329:42
Jul 12 05:04:19.918 INFO kablam!     |
Jul 12 05:04:19.918 INFO kablam! 329 |                                      cb: Option<extern fn(i32, i32, i32, *mut Inner)>,
Jul 12 05:04:19.918 INFO kablam!     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jul 12 05:04:19.918 INFO kablam!     |
Jul 12 05:04:19.918 INFO kablam!     = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
Jul 12 05:04:19.918 INFO kablam! 
Jul 12 05:04:19.918 INFO kablam! warning: `extern` block uses type `std::sync::Mutex<u8>` which is not FFI-safe: this struct has unspecified layout
Jul 12 05:04:19.919 INFO kablam!    --> src/lib.rs:330:48
Jul 12 05:04:19.919 INFO kablam!     |
Jul 12 05:04:19.919 INFO kablam! 330 |                                      userdata: *mut Inner) -> i32;
Jul 12 05:04:19.919 INFO kablam!     |                                                ^^^^^^^^^^
Jul 12 05:04:19.921 INFO kablam!     |
Jul 12 05:04:19.922 INFO kablam!     = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
Jul 12 05:04:19.922 INFO kablam! 
Jul 12 05:04:19.988 INFO kablam! warning: unused variable: `button`
Jul 12 05:04:19.988 INFO kablam!    --> src/lib.rs:342:32
Jul 12 05:04:19.988 INFO kablam!     |
Jul 12 05:04:19.988 INFO kablam! 342 |         l.set_button_handler( |button, state, timestamp| {
Jul 12 05:04:19.988 INFO kablam!     |                                ^^^^^^ help: consider using `_button` instead
Jul 12 05:04:19.988 INFO kablam!     |
Jul 12 05:04:19.988 INFO kablam!     = note: #[warn(unused_variables)] on by default
Jul 12 05:04:19.988 INFO kablam! 
Jul 12 05:04:19.989 INFO kablam! warning: unused variable: `state`
Jul 12 05:04:19.989 INFO kablam!    --> src/lib.rs:342:40
Jul 12 05:04:19.989 INFO kablam!     |
Jul 12 05:04:19.989 INFO kablam! 342 |         l.set_button_handler( |button, state, timestamp| {
Jul 12 05:04:19.989 INFO kablam!     |                                        ^^^^^ help: consider using `_state` instead
Jul 12 05:04:19.989 INFO kablam! 
Jul 12 05:04:19.989 INFO kablam! warning: unused variable: `timestamp`
Jul 12 05:04:19.989 INFO kablam!    --> src/lib.rs:342:47
Jul 12 05:04:19.989 INFO kablam!     |
Jul 12 05:04:19.989 INFO kablam! 342 |         l.set_button_handler( |button, state, timestamp| {
Jul 12 05:04:19.989 INFO kablam!     |                                               ^^^^^^^^^ help: consider using `_timestamp` instead
Jul 12 05:04:19.989 INFO kablam! 
Jul 12 05:04:20.019 INFO kablam! warning: `extern` block uses type `std::sync::Mutex<u8>` which is not FFI-safe: this struct has unspecified layout
Jul 12 05:04:20.019 INFO kablam!    --> src/lib.rs:326:41
Jul 12 05:04:20.019 INFO kablam!     |
Jul 12 05:04:20.019 INFO kablam! 326 |                                     cb: extern fn(i32, i32, i32, *mut Inner),
Jul 12 05:04:20.019 INFO kablam!     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jul 12 05:04:20.019 INFO kablam!     |
Jul 12 05:04:20.019 INFO kablam!     = note: #[warn(improper_ctypes)] on by default
Jul 12 05:04:20.019 INFO kablam!     = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
Jul 12 05:04:20.019 INFO kablam! 
Jul 12 05:04:20.020 INFO kablam! warning: `extern` block uses type `std::sync::Mutex<u8>` which is not FFI-safe: this struct has unspecified layout
Jul 12 05:04:20.020 INFO kablam!    --> src/lib.rs:327:47
Jul 12 05:04:20.021 INFO kablam!     |
Jul 12 05:04:20.021 INFO kablam! 327 |                                     userdata: *mut Inner) -> i32;
Jul 12 05:04:20.021 INFO kablam!     |                                               ^^^^^^^^^^
Jul 12 05:04:20.021 INFO kablam!     |
Jul 12 05:04:20.021 INFO kablam!     = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
Jul 12 05:04:20.021 INFO kablam! 
Jul 12 05:04:20.021 INFO kablam! warning: `extern` block uses type `std::sync::Mutex<u8>` which is not FFI-safe: this struct has unspecified layout
Jul 12 05:04:20.021 INFO kablam!    --> src/lib.rs:329:42
Jul 12 05:04:20.021 INFO kablam!     |
Jul 12 05:04:20.021 INFO kablam! 329 |                                      cb: Option<extern fn(i32, i32, i32, *mut Inner)>,
Jul 12 05:04:20.021 INFO kablam!     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jul 12 05:04:20.021 INFO kablam!     |
Jul 12 05:04:20.021 INFO kablam!     = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
Jul 12 05:04:20.021 INFO kablam! 
Jul 12 05:04:20.021 INFO kablam! warning: `extern` block uses type `std::sync::Mutex<u8>` which is not FFI-safe: this struct has unspecified layout
Jul 12 05:04:20.021 INFO kablam!    --> src/lib.rs:330:48
Jul 12 05:04:20.021 INFO kablam!     |
Jul 12 05:04:20.021 INFO kablam! 330 |                                      userdata: *mut Inner) -> i32;
Jul 12 05:04:20.021 INFO kablam!     |                                                ^^^^^^^^^^
Jul 12 05:04:20.021 INFO kablam!     |
Jul 12 05:04:20.021 INFO kablam!     = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
Jul 12 05:04:20.021 INFO kablam! 
Jul 12 05:04:20.021 INFO kablam! warning: unused `std::result::Result` which must be used
Jul 12 05:04:20.021 INFO kablam!    --> src/lib.rs:342:9
Jul 12 05:04:20.021 INFO kablam!     |
Jul 12 05:04:20.021 INFO kablam! 342 | /         l.set_button_handler( |button, state, timestamp| {
Jul 12 05:04:20.021 INFO kablam! 343 | |             println!("Button press!");
Jul 12 05:04:20.021 INFO kablam! 344 | |         });
Jul 12 05:04:20.021 INFO kablam!     | |___________^
Jul 12 05:04:20.021 INFO kablam!     |
Jul 12 05:04:20.021 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Jul 12 05:04:20.022 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Jul 12 05:04:20.022 INFO kablam! 
Jul 12 05:04:20.022 INFO kablam! warning: unused `std::result::Result` which must be used
Jul 12 05:04:20.022 INFO kablam!    --> src/lib.rs:347:9
Jul 12 05:04:20.022 INFO kablam!     |
Jul 12 05:04:20.022 INFO kablam! 347 |         l.move_motors(7, 90.0, 90.0, 90.0);
Jul 12 05:04:20.022 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jul 12 05:04:20.022 INFO kablam!     |
Jul 12 05:04:20.022 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Jul 12 05:04:20.022 INFO kablam! 
Jul 12 05:04:20.022 INFO kablam! warning: unused `std::result::Result` which must be used
Jul 12 05:04:20.022 INFO kablam!    --> src/lib.rs:348:9
Jul 12 05:04:20.022 INFO kablam!     |
Jul 12 05:04:20.022 INFO kablam! 348 |         l.move_wait(7);
Jul 12 05:04:20.022 INFO kablam!     |         ^^^^^^^^^^^^^^^
Jul 12 05:04:20.022 INFO kablam!     |
Jul 12 05:04:20.022 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Jul 12 05:04:20.022 INFO kablam! 
Jul 12 05:04:20.022 INFO kablam! warning: unused `std::result::Result` which must be used
Jul 12 05:04:20.022 INFO kablam!    --> src/lib.rs:349:9
Jul 12 05:04:20.022 INFO kablam!     |
Jul 12 05:04:20.022 INFO kablam! 349 |         l.move_motors(7, -90.0, -90.0, -90.0);
Jul 12 05:04:20.022 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jul 12 05:04:20.022 INFO kablam!     |
Jul 12 05:04:20.022 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Jul 12 05:04:20.022 INFO kablam! 
Jul 12 05:04:20.022 INFO kablam! warning: unused `std::result::Result` which must be used
Jul 12 05:04:20.022 INFO kablam!    --> src/lib.rs:350:9
Jul 12 05:04:20.022 INFO kablam!     |
Jul 12 05:04:20.023 INFO kablam! 350 |         l.move_wait(7);
Jul 12 05:04:20.023 INFO kablam!     |         ^^^^^^^^^^^^^^^
Jul 12 05:04:20.023 INFO kablam!     |
Jul 12 05:04:20.023 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Jul 12 05:04:20.023 INFO kablam! 
Jul 12 05:04:20.023 INFO kablam! warning: unused `std::result::Result` which must be used
Jul 12 05:04:20.023 INFO kablam!    --> src/lib.rs:351:9
Jul 12 05:04:20.023 INFO kablam!     |
Jul 12 05:04:20.023 INFO kablam! 351 |         l.unset_button_handler();
Jul 12 05:04:20.023 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
Jul 12 05:04:20.023 INFO kablam!     |
Jul 12 05:04:20.023 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Jul 12 05:04:20.023 INFO kablam! 
Jul 12 05:04:20.023 INFO kablam! warning: unused `std::result::Result` which must be used
Jul 12 05:04:20.023 INFO kablam!    --> src/lib.rs:352:9
Jul 12 05:04:20.023 INFO kablam!     |
Jul 12 05:04:20.023 INFO kablam! 352 |         l.set_buzzer_frequency(440.0);
Jul 12 05:04:20.023 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jul 12 05:04:20.023 INFO kablam!     |
Jul 12 05:04:20.023 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Jul 12 05:04:20.023 INFO kablam! 
Jul 12 05:04:20.027 INFO kablam! warning: unused `std::result::Result` which must be used
Jul 12 05:04:20.027 INFO kablam!    --> src/lib.rs:354:9
Jul 12 05:04:20.027 INFO kablam!     |
Jul 12 05:04:20.027 INFO kablam! 354 |         l.set_buzzer_frequency(0.0);
Jul 12 05:04:20.027 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jul 12 05:04:20.027 INFO kablam!     |
Jul 12 05:04:20.027 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Jul 12 05:04:20.027 INFO kablam! 
Jul 12 05:04:20.066 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
Jul 12 05:04:20.071 INFO kablam! su: No module specific data is present
Jul 12 05:04:20.553 INFO running `"docker" "rm" "-f" "60503d7d5b7a103ae75bb87ef257f375c8c47232f96dcca5a6f4a0ff2904367a"`
Jul 12 05:04:20.728 INFO blam! 60503d7d5b7a103ae75bb87ef257f375c8c47232f96dcca5a6f4a0ff2904367a