[INFO] crate linkbot 0.0.2 is already in cache [INFO] extracting crate linkbot 0.0.2 into work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/linkbot/0.0.2 [INFO] extracting crate linkbot 0.0.2 into work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/linkbot/0.0.2 [INFO] validating manifest of linkbot-0.0.2 on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of linkbot-0.0.2 on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing linkbot-0.0.2 [INFO] finished frobbing linkbot-0.0.2 [INFO] frobbed toml for linkbot-0.0.2 written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/linkbot/0.0.2/Cargo.toml [INFO] started frobbing linkbot-0.0.2 [INFO] finished frobbing linkbot-0.0.2 [INFO] frobbed toml for linkbot-0.0.2 written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/linkbot/0.0.2/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking linkbot-0.0.2 against try#75eff020d0923c035c2fe220db4a0465cd847048 for pr-63565 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-0/try#75eff020d0923c035c2fe220db4a0465cd847048:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/linkbot/0.0.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] beae121c69a686b14c6462c9cf112f5b7fbcce69f704409fbf9fb8ad5b50d8f6 [INFO] running `"docker" "start" "-a" "beae121c69a686b14c6462c9cf112f5b7fbcce69f704409fbf9fb8ad5b50d8f6"` [INFO] [stderr] Checking linkbot v0.0.2 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:65:27 [INFO] [stderr] | [INFO] [stderr] 65 | pub type ButtonCallback = FnMut(Button, ButtonState, u32); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Button, ButtonState, u32)` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `extern` block uses type `std::sync::Mutex` which is not FFI-safe: this struct has unspecified layout [INFO] [stderr] --> src/lib.rs:326:41 [INFO] [stderr] | [INFO] [stderr] 326 | cb: extern fn(i32, i32, i32, *mut Inner), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(improper_ctypes)]` on by default [INFO] [stderr] = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct [INFO] [stderr] [INFO] [stderr] warning: `extern` block uses type `std::sync::Mutex` which is not FFI-safe: this struct has unspecified layout [INFO] [stderr] --> src/lib.rs:327:47 [INFO] [stderr] | [INFO] [stderr] 327 | userdata: *mut Inner) -> i32; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct [INFO] [stderr] [INFO] [stderr] warning: `extern` block uses type `std::sync::Mutex` which is not FFI-safe: this struct has unspecified layout [INFO] [stderr] --> src/lib.rs:329:42 [INFO] [stderr] | [INFO] [stderr] 329 | cb: Option, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct [INFO] [stderr] [INFO] [stderr] warning: `extern` block uses type `std::sync::Mutex` which is not FFI-safe: this struct has unspecified layout [INFO] [stderr] --> src/lib.rs:330:48 [INFO] [stderr] | [INFO] [stderr] 330 | userdata: *mut Inner) -> i32; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:65:27 [INFO] [stderr] | [INFO] [stderr] 65 | pub type ButtonCallback = FnMut(Button, ButtonState, u32); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Button, ButtonState, u32)` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `button` [INFO] [stderr] --> src/lib.rs:342:32 [INFO] [stderr] | [INFO] [stderr] 342 | l.set_button_handler( |button, state, timestamp| { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_button` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `state` [INFO] [stderr] --> src/lib.rs:342:40 [INFO] [stderr] | [INFO] [stderr] 342 | l.set_button_handler( |button, state, timestamp| { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_state` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `timestamp` [INFO] [stderr] --> src/lib.rs:342:47 [INFO] [stderr] | [INFO] [stderr] 342 | l.set_button_handler( |button, state, timestamp| { [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_timestamp` [INFO] [stderr] [INFO] [stderr] warning: `extern` block uses type `std::sync::Mutex` which is not FFI-safe: this struct has unspecified layout [INFO] [stderr] --> src/lib.rs:326:41 [INFO] [stderr] | [INFO] [stderr] 326 | cb: extern fn(i32, i32, i32, *mut Inner), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(improper_ctypes)]` on by default [INFO] [stderr] = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct [INFO] [stderr] [INFO] [stderr] warning: `extern` block uses type `std::sync::Mutex` which is not FFI-safe: this struct has unspecified layout [INFO] [stderr] --> src/lib.rs:327:47 [INFO] [stderr] | [INFO] [stderr] 327 | userdata: *mut Inner) -> i32; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct [INFO] [stderr] [INFO] [stderr] warning: `extern` block uses type `std::sync::Mutex` which is not FFI-safe: this struct has unspecified layout [INFO] [stderr] --> src/lib.rs:329:42 [INFO] [stderr] | [INFO] [stderr] 329 | cb: Option, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct [INFO] [stderr] [INFO] [stderr] warning: `extern` block uses type `std::sync::Mutex` which is not FFI-safe: this struct has unspecified layout [INFO] [stderr] --> src/lib.rs:330:48 [INFO] [stderr] | [INFO] [stderr] 330 | userdata: *mut Inner) -> i32; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:342:9 [INFO] [stderr] | [INFO] [stderr] 342 | / l.set_button_handler( |button, state, timestamp| { [INFO] [stderr] 343 | | println!("Button press!"); [INFO] [stderr] 344 | | }); [INFO] [stderr] | |___________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:347:9 [INFO] [stderr] | [INFO] [stderr] 347 | l.move_motors(7, 90.0, 90.0, 90.0); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:348:9 [INFO] [stderr] | [INFO] [stderr] 348 | l.move_wait(7); [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:349:9 [INFO] [stderr] | [INFO] [stderr] 349 | l.move_motors(7, -90.0, -90.0, -90.0); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:350:9 [INFO] [stderr] | [INFO] [stderr] 350 | l.move_wait(7); [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:351:9 [INFO] [stderr] | [INFO] [stderr] 351 | l.unset_button_handler(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:352:9 [INFO] [stderr] | [INFO] [stderr] 352 | l.set_buzzer_frequency(440.0); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:354:9 [INFO] [stderr] | [INFO] [stderr] 354 | l.set_buzzer_frequency(0.0); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.74s [INFO] running `"docker" "inspect" "beae121c69a686b14c6462c9cf112f5b7fbcce69f704409fbf9fb8ad5b50d8f6"` [INFO] running `"docker" "rm" "-f" "beae121c69a686b14c6462c9cf112f5b7fbcce69f704409fbf9fb8ad5b50d8f6"` [INFO] [stdout] beae121c69a686b14c6462c9cf112f5b7fbcce69f704409fbf9fb8ad5b50d8f6