Sep 04 11:57:58.779 INFO checking linkbot-0.0.2 against try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0 for pr-53893
Sep 04 11:57:58.779 INFO running: cargo +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets
Sep 04 11:57:58.779 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53893/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-3/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/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 +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 11:57:58.958 INFO blam! 436e8a00c8360610367ee691fe5f94259699e01564cdba3c871f544203bfcdb6
Sep 04 11:57:58.960 INFO running `"docker" "start" "-a" "436e8a00c8360610367ee691fe5f94259699e01564cdba3c871f544203bfcdb6"`
Sep 04 11:57:59.780 INFO kablam!     Checking linkbot v0.0.2 (file:///source)
Sep 04 11:58:00.344 INFO kablam! warning: unused variable: `button`
Sep 04 11:58:00.344 INFO kablam!    --> src/lib.rs:342:32
Sep 04 11:58:00.344 INFO kablam!     |
Sep 04 11:58:00.344 INFO kablam! 342 |         l.set_button_handler( |button, state, timestamp| {
Sep 04 11:58:00.344 INFO kablam!     |                                ^^^^^^ help: consider using `_button` instead
Sep 04 11:58:00.344 INFO kablam!     |
Sep 04 11:58:00.344 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 04 11:58:00.344 INFO kablam! 
Sep 04 11:58:00.344 INFO kablam! warning: unused variable: `state`
Sep 04 11:58:00.344 INFO kablam!    --> src/lib.rs:342:40
Sep 04 11:58:00.344 INFO kablam!     |
Sep 04 11:58:00.344 INFO kablam! 342 |         l.set_button_handler( |button, state, timestamp| {
Sep 04 11:58:00.344 INFO kablam!     |                                        ^^^^^ help: consider using `_state` instead
Sep 04 11:58:00.344 INFO kablam! 
Sep 04 11:58:00.345 INFO kablam! warning: unused variable: `timestamp`
Sep 04 11:58:00.345 INFO kablam!    --> src/lib.rs:342:47
Sep 04 11:58:00.345 INFO kablam!     |
Sep 04 11:58:00.345 INFO kablam! 342 |         l.set_button_handler( |button, state, timestamp| {
Sep 04 11:58:00.345 INFO kablam!     |                                               ^^^^^^^^^ help: consider using `_timestamp` instead
Sep 04 11:58:00.345 INFO kablam! 
Sep 04 11:58:00.364 INFO kablam! warning: `extern` block uses type `std::sync::Mutex<u8>` which is not FFI-safe: this struct has unspecified layout
Sep 04 11:58:00.364 INFO kablam!    --> src/lib.rs:326:41
Sep 04 11:58:00.365 INFO kablam!     |
Sep 04 11:58:00.365 INFO kablam! 326 |                                     cb: extern fn(i32, i32, i32, *mut Inner),
Sep 04 11:58:00.365 INFO kablam!     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 11:58:00.365 INFO kablam!     |
Sep 04 11:58:00.365 INFO kablam!     = note: #[warn(improper_ctypes)] on by default
Sep 04 11:58:00.365 INFO kablam!     = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
Sep 04 11:58:00.365 INFO kablam! 
Sep 04 11:58:00.366 INFO kablam! warning: `extern` block uses type `std::sync::Mutex<u8>` which is not FFI-safe: this struct has unspecified layout
Sep 04 11:58:00.366 INFO kablam!    --> src/lib.rs:327:47
Sep 04 11:58:00.366 INFO kablam!     |
Sep 04 11:58:00.366 INFO kablam! 327 |                                     userdata: *mut Inner) -> i32;
Sep 04 11:58:00.366 INFO kablam!     |                                               ^^^^^^^^^^
Sep 04 11:58:00.366 INFO kablam!     |
Sep 04 11:58:00.366 INFO kablam!     = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
Sep 04 11:58:00.366 INFO kablam! 
Sep 04 11:58:00.366 INFO kablam! warning: `extern` block uses type `std::sync::Mutex<u8>` which is not FFI-safe: this struct has unspecified layout
Sep 04 11:58:00.366 INFO kablam!    --> src/lib.rs:329:42
Sep 04 11:58:00.366 INFO kablam!     |
Sep 04 11:58:00.366 INFO kablam! 329 |                                      cb: Option<extern fn(i32, i32, i32, *mut Inner)>,
Sep 04 11:58:00.366 INFO kablam!     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 11:58:00.366 INFO kablam!     |
Sep 04 11:58:00.366 INFO kablam!     = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
Sep 04 11:58:00.366 INFO kablam! 
Sep 04 11:58:00.366 INFO kablam! warning: `extern` block uses type `std::sync::Mutex<u8>` which is not FFI-safe: this struct has unspecified layout
Sep 04 11:58:00.366 INFO kablam!    --> src/lib.rs:330:48
Sep 04 11:58:00.366 INFO kablam!     |
Sep 04 11:58:00.367 INFO kablam! 330 |                                      userdata: *mut Inner) -> i32;
Sep 04 11:58:00.367 INFO kablam!     |                                                ^^^^^^^^^^
Sep 04 11:58:00.367 INFO kablam!     |
Sep 04 11:58:00.367 INFO kablam!     = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
Sep 04 11:58:00.367 INFO kablam! 
Sep 04 11:58:00.367 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 04 11:58:00.367 INFO kablam!    --> src/lib.rs:342:9
Sep 04 11:58:00.367 INFO kablam!     |
Sep 04 11:58:00.367 INFO kablam! 342 | /         l.set_button_handler( |button, state, timestamp| {
Sep 04 11:58:00.367 INFO kablam! 343 | |             println!("Button press!");
Sep 04 11:58:00.367 INFO kablam! 344 | |         });
Sep 04 11:58:00.367 INFO kablam!     | |___________^
Sep 04 11:58:00.367 INFO kablam!     |
Sep 04 11:58:00.367 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 04 11:58:00.367 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 04 11:58:00.367 INFO kablam! 
Sep 04 11:58:00.367 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 04 11:58:00.367 INFO kablam!    --> src/lib.rs:347:9
Sep 04 11:58:00.368 INFO kablam!     |
Sep 04 11:58:00.368 INFO kablam! 347 |         l.move_motors(7, 90.0, 90.0, 90.0);
Sep 04 11:58:00.368 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 11:58:00.368 INFO kablam!     |
Sep 04 11:58:00.368 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 04 11:58:00.368 INFO kablam! 
Sep 04 11:58:00.368 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 04 11:58:00.368 INFO kablam!    --> src/lib.rs:348:9
Sep 04 11:58:00.368 INFO kablam!     |
Sep 04 11:58:00.368 INFO kablam! 348 |         l.move_wait(7);
Sep 04 11:58:00.368 INFO kablam!     |         ^^^^^^^^^^^^^^^
Sep 04 11:58:00.368 INFO kablam!     |
Sep 04 11:58:00.368 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 04 11:58:00.368 INFO kablam! 
Sep 04 11:58:00.368 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 04 11:58:00.368 INFO kablam!    --> src/lib.rs:349:9
Sep 04 11:58:00.368 INFO kablam!     |
Sep 04 11:58:00.368 INFO kablam! 349 |         l.move_motors(7, -90.0, -90.0, -90.0);
Sep 04 11:58:00.368 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 11:58:00.368 INFO kablam!     |
Sep 04 11:58:00.368 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 04 11:58:00.368 INFO kablam! 
Sep 04 11:58:00.368 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 04 11:58:00.368 INFO kablam!    --> src/lib.rs:350:9
Sep 04 11:58:00.369 INFO kablam!     |
Sep 04 11:58:00.369 INFO kablam! 350 |         l.move_wait(7);
Sep 04 11:58:00.369 INFO kablam!     |         ^^^^^^^^^^^^^^^
Sep 04 11:58:00.369 INFO kablam!     |
Sep 04 11:58:00.369 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 04 11:58:00.369 INFO kablam! 
Sep 04 11:58:00.369 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 04 11:58:00.369 INFO kablam!    --> src/lib.rs:351:9
Sep 04 11:58:00.369 INFO kablam!     |
Sep 04 11:58:00.369 INFO kablam! 351 |         l.unset_button_handler();
Sep 04 11:58:00.369 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 11:58:00.369 INFO kablam!     |
Sep 04 11:58:00.369 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 04 11:58:00.369 INFO kablam! 
Sep 04 11:58:00.369 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 04 11:58:00.369 INFO kablam!    --> src/lib.rs:352:9
Sep 04 11:58:00.369 INFO kablam!     |
Sep 04 11:58:00.369 INFO kablam! 352 |         l.set_buzzer_frequency(440.0);
Sep 04 11:58:00.369 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 11:58:00.369 INFO kablam!     |
Sep 04 11:58:00.369 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 04 11:58:00.369 INFO kablam! 
Sep 04 11:58:00.369 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 04 11:58:00.369 INFO kablam!    --> src/lib.rs:354:9
Sep 04 11:58:00.369 INFO kablam!     |
Sep 04 11:58:00.369 INFO kablam! 354 |         l.set_buzzer_frequency(0.0);
Sep 04 11:58:00.369 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 11:58:00.369 INFO kablam!     |
Sep 04 11:58:00.370 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 04 11:58:00.370 INFO kablam! 
Sep 04 11:58:00.399 INFO kablam! warning: `extern` block uses type `std::sync::Mutex<u8>` which is not FFI-safe: this struct has unspecified layout
Sep 04 11:58:00.399 INFO kablam!    --> src/lib.rs:326:41
Sep 04 11:58:00.399 INFO kablam!     |
Sep 04 11:58:00.399 INFO kablam! 326 |                                     cb: extern fn(i32, i32, i32, *mut Inner),
Sep 04 11:58:00.399 INFO kablam!     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 11:58:00.399 INFO kablam!     |
Sep 04 11:58:00.399 INFO kablam!     = note: #[warn(improper_ctypes)] on by default
Sep 04 11:58:00.399 INFO kablam!     = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
Sep 04 11:58:00.399 INFO kablam! 
Sep 04 11:58:00.399 INFO kablam! warning: `extern` block uses type `std::sync::Mutex<u8>` which is not FFI-safe: this struct has unspecified layout
Sep 04 11:58:00.399 INFO kablam!    --> src/lib.rs:327:47
Sep 04 11:58:00.400 INFO kablam!     |
Sep 04 11:58:00.400 INFO kablam! 327 |                                     userdata: *mut Inner) -> i32;
Sep 04 11:58:00.400 INFO kablam!     |                                               ^^^^^^^^^^
Sep 04 11:58:00.400 INFO kablam!     |
Sep 04 11:58:00.400 INFO kablam!     = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
Sep 04 11:58:00.400 INFO kablam! 
Sep 04 11:58:00.400 INFO kablam! warning: `extern` block uses type `std::sync::Mutex<u8>` which is not FFI-safe: this struct has unspecified layout
Sep 04 11:58:00.400 INFO kablam!    --> src/lib.rs:329:42
Sep 04 11:58:00.400 INFO kablam!     |
Sep 04 11:58:00.400 INFO kablam! 329 |                                      cb: Option<extern fn(i32, i32, i32, *mut Inner)>,
Sep 04 11:58:00.400 INFO kablam!     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 11:58:00.400 INFO kablam!     |
Sep 04 11:58:00.400 INFO kablam!     = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
Sep 04 11:58:00.400 INFO kablam! 
Sep 04 11:58:00.400 INFO kablam! warning: `extern` block uses type `std::sync::Mutex<u8>` which is not FFI-safe: this struct has unspecified layout
Sep 04 11:58:00.400 INFO kablam!    --> src/lib.rs:330:48
Sep 04 11:58:00.400 INFO kablam!     |
Sep 04 11:58:00.400 INFO kablam! 330 |                                      userdata: *mut Inner) -> i32;
Sep 04 11:58:00.400 INFO kablam!     |                                                ^^^^^^^^^^
Sep 04 11:58:00.400 INFO kablam!     |
Sep 04 11:58:00.401 INFO kablam!     = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
Sep 04 11:58:00.401 INFO kablam! 
Sep 04 11:58:00.414 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
Sep 04 11:58:00.416 INFO kablam! su: No module specific data is present
Sep 04 11:58:00.802 INFO running `"docker" "rm" "-f" "436e8a00c8360610367ee691fe5f94259699e01564cdba3c871f544203bfcdb6"`
Sep 04 11:58:00.892 INFO blam! 436e8a00c8360610367ee691fe5f94259699e01564cdba3c871f544203bfcdb6