Sep 20 00:40:26.498 INFO checking linkbot-0.0.2 against master#1e21c9a297a9fe668d62887a3a6a4add8e717b17 for pr-54352
Sep 20 00:40:26.498 INFO running: cargo +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets
Sep 20 00:40:26.498 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54352/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-6/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/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=1000" "-e" "CMD=cargo +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 00:40:26.653 INFO blam! a3c0c2bb029da84a4be52d0bfb46528626119b612883d1a322aec8178d7039f2
Sep 20 00:40:26.655 INFO running `"docker" "start" "-a" "a3c0c2bb029da84a4be52d0bfb46528626119b612883d1a322aec8178d7039f2"`
Sep 20 00:40:27.568 INFO kablam! usermod: no changes
Sep 20 00:40:27.596 INFO kablam!     Checking linkbot v0.0.2 (/source)
Sep 20 00:40:27.845 INFO kablam! warning: `extern` block uses type `std::sync::Mutex<u8>` which is not FFI-safe: this struct has unspecified layout
Sep 20 00:40:27.845 INFO kablam!    --> src/lib.rs:326:41
Sep 20 00:40:27.845 INFO kablam!     |
Sep 20 00:40:27.845 INFO kablam! 326 |                                     cb: extern fn(i32, i32, i32, *mut Inner),
Sep 20 00:40:27.845 INFO kablam!     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 20 00:40:27.845 INFO kablam!     |
Sep 20 00:40:27.845 INFO kablam!     = note: #[warn(improper_ctypes)] on by default
Sep 20 00:40:27.845 INFO kablam!     = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
Sep 20 00:40:27.845 INFO kablam! 
Sep 20 00:40:27.845 INFO kablam! warning: `extern` block uses type `std::sync::Mutex<u8>` which is not FFI-safe: this struct has unspecified layout
Sep 20 00:40:27.845 INFO kablam!    --> src/lib.rs:327:47
Sep 20 00:40:27.846 INFO kablam!     |
Sep 20 00:40:27.846 INFO kablam! 327 |                                     userdata: *mut Inner) -> i32;
Sep 20 00:40:27.846 INFO kablam!     |                                               ^^^^^^^^^^
Sep 20 00:40:27.846 INFO kablam!     |
Sep 20 00:40:27.846 INFO kablam!     = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
Sep 20 00:40:27.846 INFO kablam! 
Sep 20 00:40:27.846 INFO kablam! warning: `extern` block uses type `std::sync::Mutex<u8>` which is not FFI-safe: this struct has unspecified layout
Sep 20 00:40:27.846 INFO kablam!    --> src/lib.rs:329:42
Sep 20 00:40:27.846 INFO kablam!     |
Sep 20 00:40:27.846 INFO kablam! 329 |                                      cb: Option<extern fn(i32, i32, i32, *mut Inner)>,
Sep 20 00:40:27.846 INFO kablam!     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 20 00:40:27.846 INFO kablam!     |
Sep 20 00:40:27.846 INFO kablam!     = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
Sep 20 00:40:27.846 INFO kablam! 
Sep 20 00:40:27.846 INFO kablam! warning: `extern` block uses type `std::sync::Mutex<u8>` which is not FFI-safe: this struct has unspecified layout
Sep 20 00:40:27.846 INFO kablam!    --> src/lib.rs:330:48
Sep 20 00:40:27.846 INFO kablam!     |
Sep 20 00:40:27.846 INFO kablam! 330 |                                      userdata: *mut Inner) -> i32;
Sep 20 00:40:27.846 INFO kablam!     |                                                ^^^^^^^^^^
Sep 20 00:40:27.846 INFO kablam!     |
Sep 20 00:40:27.846 INFO kablam!     = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
Sep 20 00:40:27.846 INFO kablam! 
Sep 20 00:40:27.897 INFO kablam! warning: unused variable: `button`
Sep 20 00:40:27.897 INFO kablam!    --> src/lib.rs:342:32
Sep 20 00:40:27.897 INFO kablam!     |
Sep 20 00:40:27.897 INFO kablam! 342 |         l.set_button_handler( |button, state, timestamp| {
Sep 20 00:40:27.897 INFO kablam!     |                                ^^^^^^ help: consider using `_button` instead
Sep 20 00:40:27.897 INFO kablam!     |
Sep 20 00:40:27.897 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 20 00:40:27.897 INFO kablam! 
Sep 20 00:40:27.897 INFO kablam! warning: unused variable: `state`
Sep 20 00:40:27.897 INFO kablam!    --> src/lib.rs:342:40
Sep 20 00:40:27.897 INFO kablam!     |
Sep 20 00:40:27.897 INFO kablam! 342 |         l.set_button_handler( |button, state, timestamp| {
Sep 20 00:40:27.897 INFO kablam!     |                                        ^^^^^ help: consider using `_state` instead
Sep 20 00:40:27.897 INFO kablam! 
Sep 20 00:40:27.897 INFO kablam! warning: unused variable: `timestamp`
Sep 20 00:40:27.897 INFO kablam!    --> src/lib.rs:342:47
Sep 20 00:40:27.897 INFO kablam!     |
Sep 20 00:40:27.897 INFO kablam! 342 |         l.set_button_handler( |button, state, timestamp| {
Sep 20 00:40:27.897 INFO kablam!     |                                               ^^^^^^^^^ help: consider using `_timestamp` instead
Sep 20 00:40:27.897 INFO kablam! 
Sep 20 00:40:27.909 INFO kablam! warning: `extern` block uses type `std::sync::Mutex<u8>` which is not FFI-safe: this struct has unspecified layout
Sep 20 00:40:27.909 INFO kablam!    --> src/lib.rs:326:41
Sep 20 00:40:27.909 INFO kablam!     |
Sep 20 00:40:27.909 INFO kablam! 326 |                                     cb: extern fn(i32, i32, i32, *mut Inner),
Sep 20 00:40:27.909 INFO kablam!     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 20 00:40:27.909 INFO kablam!     |
Sep 20 00:40:27.909 INFO kablam!     = note: #[warn(improper_ctypes)] on by default
Sep 20 00:40:27.909 INFO kablam!     = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
Sep 20 00:40:27.909 INFO kablam! 
Sep 20 00:40:27.909 INFO kablam! warning: `extern` block uses type `std::sync::Mutex<u8>` which is not FFI-safe: this struct has unspecified layout
Sep 20 00:40:27.909 INFO kablam!    --> src/lib.rs:327:47
Sep 20 00:40:27.909 INFO kablam!     |
Sep 20 00:40:27.909 INFO kablam! 327 |                                     userdata: *mut Inner) -> i32;
Sep 20 00:40:27.909 INFO kablam!     |                                               ^^^^^^^^^^
Sep 20 00:40:27.910 INFO kablam!     |
Sep 20 00:40:27.910 INFO kablam!     = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
Sep 20 00:40:27.910 INFO kablam! 
Sep 20 00:40:27.910 INFO kablam! warning: `extern` block uses type `std::sync::Mutex<u8>` which is not FFI-safe: this struct has unspecified layout
Sep 20 00:40:27.910 INFO kablam!    --> src/lib.rs:329:42
Sep 20 00:40:27.910 INFO kablam!     |
Sep 20 00:40:27.910 INFO kablam! 329 |                                      cb: Option<extern fn(i32, i32, i32, *mut Inner)>,
Sep 20 00:40:27.910 INFO kablam!     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 20 00:40:27.910 INFO kablam!     |
Sep 20 00:40:27.910 INFO kablam!     = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
Sep 20 00:40:27.910 INFO kablam! 
Sep 20 00:40:27.910 INFO kablam! warning: `extern` block uses type `std::sync::Mutex<u8>` which is not FFI-safe: this struct has unspecified layout
Sep 20 00:40:27.910 INFO kablam!    --> src/lib.rs:330:48
Sep 20 00:40:27.910 INFO kablam!     |
Sep 20 00:40:27.910 INFO kablam! 330 |                                      userdata: *mut Inner) -> i32;
Sep 20 00:40:27.910 INFO kablam!     |                                                ^^^^^^^^^^
Sep 20 00:40:27.910 INFO kablam!     |
Sep 20 00:40:27.910 INFO kablam!     = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
Sep 20 00:40:27.910 INFO kablam! 
Sep 20 00:40:27.912 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 20 00:40:27.912 INFO kablam!    --> src/lib.rs:342:9
Sep 20 00:40:27.912 INFO kablam!     |
Sep 20 00:40:27.912 INFO kablam! 342 | /         l.set_button_handler( |button, state, timestamp| {
Sep 20 00:40:27.912 INFO kablam! 343 | |             println!("Button press!");
Sep 20 00:40:27.912 INFO kablam! 344 | |         });
Sep 20 00:40:27.912 INFO kablam!     | |___________^
Sep 20 00:40:27.912 INFO kablam!     |
Sep 20 00:40:27.912 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 20 00:40:27.912 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 20 00:40:27.912 INFO kablam! 
Sep 20 00:40:27.912 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 20 00:40:27.912 INFO kablam!    --> src/lib.rs:347:9
Sep 20 00:40:27.912 INFO kablam!     |
Sep 20 00:40:27.912 INFO kablam! 347 |         l.move_motors(7, 90.0, 90.0, 90.0);
Sep 20 00:40:27.912 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 20 00:40:27.912 INFO kablam!     |
Sep 20 00:40:27.912 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 20 00:40:27.912 INFO kablam! 
Sep 20 00:40:27.912 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 20 00:40:27.912 INFO kablam!    --> src/lib.rs:348:9
Sep 20 00:40:27.912 INFO kablam!     |
Sep 20 00:40:27.912 INFO kablam! 348 |         l.move_wait(7);
Sep 20 00:40:27.912 INFO kablam!     |         ^^^^^^^^^^^^^^^
Sep 20 00:40:27.912 INFO kablam!     |
Sep 20 00:40:27.912 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 20 00:40:27.912 INFO kablam! 
Sep 20 00:40:27.912 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 20 00:40:27.912 INFO kablam!    --> src/lib.rs:349:9
Sep 20 00:40:27.912 INFO kablam!     |
Sep 20 00:40:27.912 INFO kablam! 349 |         l.move_motors(7, -90.0, -90.0, -90.0);
Sep 20 00:40:27.912 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 20 00:40:27.912 INFO kablam!     |
Sep 20 00:40:27.912 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 20 00:40:27.912 INFO kablam! 
Sep 20 00:40:27.912 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 20 00:40:27.912 INFO kablam!    --> src/lib.rs:350:9
Sep 20 00:40:27.912 INFO kablam!     |
Sep 20 00:40:27.912 INFO kablam! 350 |         l.move_wait(7);
Sep 20 00:40:27.912 INFO kablam!     |         ^^^^^^^^^^^^^^^
Sep 20 00:40:27.912 INFO kablam!     |
Sep 20 00:40:27.912 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 20 00:40:27.912 INFO kablam! 
Sep 20 00:40:27.912 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 20 00:40:27.912 INFO kablam!    --> src/lib.rs:351:9
Sep 20 00:40:27.912 INFO kablam!     |
Sep 20 00:40:27.912 INFO kablam! 351 |         l.unset_button_handler();
Sep 20 00:40:27.912 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 20 00:40:27.912 INFO kablam!     |
Sep 20 00:40:27.912 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 20 00:40:27.912 INFO kablam! 
Sep 20 00:40:27.912 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 20 00:40:27.912 INFO kablam!    --> src/lib.rs:352:9
Sep 20 00:40:27.912 INFO kablam!     |
Sep 20 00:40:27.912 INFO kablam! 352 |         l.set_buzzer_frequency(440.0);
Sep 20 00:40:27.912 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 20 00:40:27.912 INFO kablam!     |
Sep 20 00:40:27.912 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 20 00:40:27.912 INFO kablam! 
Sep 20 00:40:27.912 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 20 00:40:27.912 INFO kablam!    --> src/lib.rs:354:9
Sep 20 00:40:27.912 INFO kablam!     |
Sep 20 00:40:27.912 INFO kablam! 354 |         l.set_buzzer_frequency(0.0);
Sep 20 00:40:27.913 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 20 00:40:27.913 INFO kablam!     |
Sep 20 00:40:27.913 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 20 00:40:27.913 INFO kablam! 
Sep 20 00:40:27.928 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
Sep 20 00:40:27.929 INFO kablam! su: No module specific data is present
Sep 20 00:40:28.460 INFO running `"docker" "rm" "-f" "a3c0c2bb029da84a4be52d0bfb46528626119b612883d1a322aec8178d7039f2"`
Sep 20 00:40:28.533 INFO blam! a3c0c2bb029da84a4be52d0bfb46528626119b612883d1a322aec8178d7039f2