Sep 01 15:02:34.472 INFO checking linkbot-0.0.2 against try#aa245a5862056b681d2ccdb178f58891108cd3a6 for pr-53831
Sep 01 15:02:34.473 INFO running: cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets
Sep 01 15:02:34.473 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53831/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-1/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/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 +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 15:02:34.694 INFO blam! aae8b3a719047fb9a2f73399163f8ee8e5eb20012e71bbf1b9d42f39b25f0269
Sep 01 15:02:34.696 INFO running `"docker" "start" "-a" "aae8b3a719047fb9a2f73399163f8ee8e5eb20012e71bbf1b9d42f39b25f0269"`
Sep 01 15:02:35.678 INFO kablam!     Checking linkbot v0.0.2 (file:///source)
Sep 01 15:02:36.288 INFO kablam! warning: unused variable: `button`
Sep 01 15:02:36.288 INFO kablam!    --> src/lib.rs:342:32
Sep 01 15:02:36.288 INFO kablam!     |
Sep 01 15:02:36.288 INFO kablam! 342 |         l.set_button_handler( |button, state, timestamp| {
Sep 01 15:02:36.288 INFO kablam!     |                                ^^^^^^ help: consider using `_button` instead
Sep 01 15:02:36.288 INFO kablam!     |
Sep 01 15:02:36.288 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 01 15:02:36.289 INFO kablam! 
Sep 01 15:02:36.289 INFO kablam! warning: unused variable: `state`
Sep 01 15:02:36.289 INFO kablam!    --> src/lib.rs:342:40
Sep 01 15:02:36.289 INFO kablam!     |
Sep 01 15:02:36.289 INFO kablam! 342 |         l.set_button_handler( |button, state, timestamp| {
Sep 01 15:02:36.289 INFO kablam!     |                                        ^^^^^ help: consider using `_state` instead
Sep 01 15:02:36.289 INFO kablam! 
Sep 01 15:02:36.289 INFO kablam! warning: unused variable: `timestamp`
Sep 01 15:02:36.289 INFO kablam!    --> src/lib.rs:342:47
Sep 01 15:02:36.289 INFO kablam!     |
Sep 01 15:02:36.289 INFO kablam! 342 |         l.set_button_handler( |button, state, timestamp| {
Sep 01 15:02:36.289 INFO kablam!     |                                               ^^^^^^^^^ help: consider using `_timestamp` instead
Sep 01 15:02:36.289 INFO kablam! 
Sep 01 15:02:36.301 INFO kablam! warning: `extern` block uses type `std::sync::Mutex<u8>` which is not FFI-safe: this struct has unspecified layout
Sep 01 15:02:36.301 INFO kablam!    --> src/lib.rs:326:41
Sep 01 15:02:36.302 INFO kablam!     |
Sep 01 15:02:36.302 INFO kablam! 326 |                                     cb: extern fn(i32, i32, i32, *mut Inner),
Sep 01 15:02:36.302 INFO kablam!     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 15:02:36.302 INFO kablam!     |
Sep 01 15:02:36.302 INFO kablam!     = note: #[warn(improper_ctypes)] on by default
Sep 01 15:02:36.302 INFO kablam!     = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
Sep 01 15:02:36.302 INFO kablam! 
Sep 01 15:02:36.302 INFO kablam! warning: `extern` block uses type `std::sync::Mutex<u8>` which is not FFI-safe: this struct has unspecified layout
Sep 01 15:02:36.302 INFO kablam!    --> src/lib.rs:327:47
Sep 01 15:02:36.302 INFO kablam!     |
Sep 01 15:02:36.302 INFO kablam! 327 |                                     userdata: *mut Inner) -> i32;
Sep 01 15:02:36.302 INFO kablam!     |                                               ^^^^^^^^^^
Sep 01 15:02:36.302 INFO kablam!     |
Sep 01 15:02:36.302 INFO kablam!     = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
Sep 01 15:02:36.302 INFO kablam! 
Sep 01 15:02:36.302 INFO kablam! warning: `extern` block uses type `std::sync::Mutex<u8>` which is not FFI-safe: this struct has unspecified layout
Sep 01 15:02:36.302 INFO kablam!    --> src/lib.rs:329:42
Sep 01 15:02:36.302 INFO kablam!     |
Sep 01 15:02:36.302 INFO kablam! 329 |                                      cb: Option<extern fn(i32, i32, i32, *mut Inner)>,
Sep 01 15:02:36.302 INFO kablam!     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 15:02:36.302 INFO kablam!     |
Sep 01 15:02:36.302 INFO kablam!     = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
Sep 01 15:02:36.302 INFO kablam! 
Sep 01 15:02:36.302 INFO kablam! warning: `extern` block uses type `std::sync::Mutex<u8>` which is not FFI-safe: this struct has unspecified layout
Sep 01 15:02:36.302 INFO kablam!    --> src/lib.rs:330:48
Sep 01 15:02:36.302 INFO kablam!     |
Sep 01 15:02:36.302 INFO kablam! 330 |                                      userdata: *mut Inner) -> i32;
Sep 01 15:02:36.303 INFO kablam!     |                                                ^^^^^^^^^^
Sep 01 15:02:36.303 INFO kablam!     |
Sep 01 15:02:36.303 INFO kablam!     = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
Sep 01 15:02:36.303 INFO kablam! 
Sep 01 15:02:36.309 INFO kablam! warning: `extern` block uses type `std::sync::Mutex<u8>` which is not FFI-safe: this struct has unspecified layout
Sep 01 15:02:36.309 INFO kablam!    --> src/lib.rs:326:41
Sep 01 15:02:36.309 INFO kablam!     |
Sep 01 15:02:36.309 INFO kablam! 326 |                                     cb: extern fn(i32, i32, i32, *mut Inner),
Sep 01 15:02:36.309 INFO kablam!     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 15:02:36.309 INFO kablam!     |
Sep 01 15:02:36.309 INFO kablam!     = note: #[warn(improper_ctypes)] on by default
Sep 01 15:02:36.309 INFO kablam!     = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
Sep 01 15:02:36.309 INFO kablam! 
Sep 01 15:02:36.309 INFO kablam! warning: `extern` block uses type `std::sync::Mutex<u8>` which is not FFI-safe: this struct has unspecified layout
Sep 01 15:02:36.309 INFO kablam!    --> src/lib.rs:327:47
Sep 01 15:02:36.309 INFO kablam!     |
Sep 01 15:02:36.309 INFO kablam! 327 |                                     userdata: *mut Inner) -> i32;
Sep 01 15:02:36.309 INFO kablam!     |                                               ^^^^^^^^^^
Sep 01 15:02:36.309 INFO kablam!     |
Sep 01 15:02:36.309 INFO kablam!     = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
Sep 01 15:02:36.309 INFO kablam! 
Sep 01 15:02:36.309 INFO kablam! warning: `extern` block uses type `std::sync::Mutex<u8>` which is not FFI-safe: this struct has unspecified layout
Sep 01 15:02:36.309 INFO kablam!    --> src/lib.rs:329:42
Sep 01 15:02:36.309 INFO kablam!     |
Sep 01 15:02:36.309 INFO kablam! 329 |                                      cb: Option<extern fn(i32, i32, i32, *mut Inner)>,
Sep 01 15:02:36.309 INFO kablam!     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 15:02:36.309 INFO kablam!     |
Sep 01 15:02:36.309 INFO kablam!     = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
Sep 01 15:02:36.309 INFO kablam! 
Sep 01 15:02:36.310 INFO kablam! warning: `extern` block uses type `std::sync::Mutex<u8>` which is not FFI-safe: this struct has unspecified layout
Sep 01 15:02:36.310 INFO kablam!    --> src/lib.rs:330:48
Sep 01 15:02:36.310 INFO kablam!     |
Sep 01 15:02:36.310 INFO kablam! 330 |                                      userdata: *mut Inner) -> i32;
Sep 01 15:02:36.310 INFO kablam!     |                                                ^^^^^^^^^^
Sep 01 15:02:36.310 INFO kablam!     |
Sep 01 15:02:36.310 INFO kablam!     = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
Sep 01 15:02:36.310 INFO kablam! 
Sep 01 15:02:36.310 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 01 15:02:36.310 INFO kablam!    --> src/lib.rs:342:9
Sep 01 15:02:36.310 INFO kablam!     |
Sep 01 15:02:36.310 INFO kablam! 342 | /         l.set_button_handler( |button, state, timestamp| {
Sep 01 15:02:36.310 INFO kablam! 343 | |             println!("Button press!");
Sep 01 15:02:36.310 INFO kablam! 344 | |         });
Sep 01 15:02:36.310 INFO kablam!     | |___________^
Sep 01 15:02:36.310 INFO kablam!     |
Sep 01 15:02:36.310 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 01 15:02:36.310 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 01 15:02:36.310 INFO kablam! 
Sep 01 15:02:36.310 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 01 15:02:36.310 INFO kablam!    --> src/lib.rs:347:9
Sep 01 15:02:36.310 INFO kablam!     |
Sep 01 15:02:36.310 INFO kablam! 347 |         l.move_motors(7, 90.0, 90.0, 90.0);
Sep 01 15:02:36.310 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 15:02:36.310 INFO kablam!     |
Sep 01 15:02:36.310 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 01 15:02:36.310 INFO kablam! 
Sep 01 15:02:36.310 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 01 15:02:36.311 INFO kablam!    --> src/lib.rs:348:9
Sep 01 15:02:36.311 INFO kablam!     |
Sep 01 15:02:36.311 INFO kablam! 348 |         l.move_wait(7);
Sep 01 15:02:36.311 INFO kablam!     |         ^^^^^^^^^^^^^^^
Sep 01 15:02:36.311 INFO kablam!     |
Sep 01 15:02:36.313 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 01 15:02:36.313 INFO kablam! 
Sep 01 15:02:36.313 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 01 15:02:36.313 INFO kablam!    --> src/lib.rs:349:9
Sep 01 15:02:36.313 INFO kablam!     |
Sep 01 15:02:36.313 INFO kablam! 349 |         l.move_motors(7, -90.0, -90.0, -90.0);
Sep 01 15:02:36.313 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 15:02:36.313 INFO kablam!     |
Sep 01 15:02:36.313 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 01 15:02:36.313 INFO kablam! 
Sep 01 15:02:36.313 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 01 15:02:36.313 INFO kablam!    --> src/lib.rs:350:9
Sep 01 15:02:36.313 INFO kablam!     |
Sep 01 15:02:36.314 INFO kablam! 350 |         l.move_wait(7);
Sep 01 15:02:36.314 INFO kablam!     |         ^^^^^^^^^^^^^^^
Sep 01 15:02:36.314 INFO kablam!     |
Sep 01 15:02:36.314 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 01 15:02:36.314 INFO kablam! 
Sep 01 15:02:36.314 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 01 15:02:36.314 INFO kablam!    --> src/lib.rs:351:9
Sep 01 15:02:36.314 INFO kablam!     |
Sep 01 15:02:36.314 INFO kablam! 351 |         l.unset_button_handler();
Sep 01 15:02:36.314 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 15:02:36.314 INFO kablam!     |
Sep 01 15:02:36.314 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 01 15:02:36.314 INFO kablam! 
Sep 01 15:02:36.314 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 01 15:02:36.314 INFO kablam!    --> src/lib.rs:352:9
Sep 01 15:02:36.314 INFO kablam!     |
Sep 01 15:02:36.314 INFO kablam! 352 |         l.set_buzzer_frequency(440.0);
Sep 01 15:02:36.314 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 15:02:36.314 INFO kablam!     |
Sep 01 15:02:36.314 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 01 15:02:36.314 INFO kablam! 
Sep 01 15:02:36.315 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 01 15:02:36.315 INFO kablam!    --> src/lib.rs:354:9
Sep 01 15:02:36.315 INFO kablam!     |
Sep 01 15:02:36.315 INFO kablam! 354 |         l.set_buzzer_frequency(0.0);
Sep 01 15:02:36.315 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 15:02:36.315 INFO kablam!     |
Sep 01 15:02:36.315 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 01 15:02:36.315 INFO kablam! 
Sep 01 15:02:36.321 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
Sep 01 15:02:36.323 INFO kablam! su: No module specific data is present
Sep 01 15:02:37.133 INFO running `"docker" "rm" "-f" "aae8b3a719047fb9a2f73399163f8ee8e5eb20012e71bbf1b9d42f39b25f0269"`
Sep 01 15:02:37.237 INFO blam! aae8b3a719047fb9a2f73399163f8ee8e5eb20012e71bbf1b9d42f39b25f0269