[INFO] crate linkbot 0.0.2 is already in cache [INFO] testing linkbot-0.0.2 against 1.38.0 for beta-1.39-1 [INFO] extracting crate linkbot 0.0.2 into work/builds/worker-5/source [INFO] validating manifest of crates.io crate linkbot 0.0.2 on toolchain 1.38.0 [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate linkbot 0.0.2 [INFO] finished tweaking crates.io crate linkbot 0.0.2 [INFO] tweaked toml for crates.io crate linkbot 0.0.2 written to work/builds/worker-5/source/Cargo.toml [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"` [INFO] [stdout] 51aec49e0204533e1cdd5fe1b3d90ec5037830863a2523669c8be3638bb2fb54 [INFO] running `"docker" "start" "-a" "51aec49e0204533e1cdd5fe1b3d90ec5037830863a2523669c8be3638bb2fb54"` [INFO] [stderr] Compiling linkbot v0.0.2 (/opt/rustwide/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] Finished dev [unoptimized + debuginfo] target(s) in 0.37s [INFO] running `"docker" "inspect" "51aec49e0204533e1cdd5fe1b3d90ec5037830863a2523669c8be3638bb2fb54"` [INFO] running `"docker" "rm" "-f" "51aec49e0204533e1cdd5fe1b3d90ec5037830863a2523669c8be3638bb2fb54"` [INFO] [stdout] 51aec49e0204533e1cdd5fe1b3d90ec5037830863a2523669c8be3638bb2fb54 [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 49ebb2aea6d2cbdd416b3a0180160f0e31f3508f903a21f0dfef321030db2ceb [INFO] running `"docker" "start" "-a" "49ebb2aea6d2cbdd416b3a0180160f0e31f3508f903a21f0dfef321030db2ceb"` [INFO] [stderr] Compiling linkbot v0.0.2 (/opt/rustwide/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: 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] error: linking with `cc` failed: exit code: 1 [INFO] [stderr] | [INFO] [stderr] = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/linkbot-b3284b3ba05c3cf6.linkbot.sfvjqrmr-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/linkbot-b3284b3ba05c3cf6.linkbot.sfvjqrmr-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/linkbot-b3284b3ba05c3cf6.linkbot.sfvjqrmr-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/linkbot-b3284b3ba05c3cf6.linkbot.sfvjqrmr-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/linkbot-b3284b3ba05c3cf6.linkbot.sfvjqrmr-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/linkbot-b3284b3ba05c3cf6.linkbot.sfvjqrmr-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/linkbot-b3284b3ba05c3cf6.linkbot.sfvjqrmr-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/linkbot-b3284b3ba05c3cf6.linkbot.sfvjqrmr-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/linkbot-b3284b3ba05c3cf6.linkbot.sfvjqrmr-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/linkbot-b3284b3ba05c3cf6.linkbot.sfvjqrmr-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/linkbot-b3284b3ba05c3cf6.linkbot.sfvjqrmr-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/linkbot-b3284b3ba05c3cf6.linkbot.sfvjqrmr-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/linkbot-b3284b3ba05c3cf6.linkbot.sfvjqrmr-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/linkbot-b3284b3ba05c3cf6.linkbot.sfvjqrmr-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/linkbot-b3284b3ba05c3cf6.linkbot.sfvjqrmr-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/linkbot-b3284b3ba05c3cf6.linkbot.sfvjqrmr-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/linkbot-b3284b3ba05c3cf6" "/opt/rustwide/target/debug/deps/linkbot-b3284b3ba05c3cf6.4scp9m9k78ra36ul.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-llinkbot" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-8b6fbd25e1766083.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libterm-bd8f21e3bdd6cbdc.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-bfcad117c6a632af.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-79a1f91e8ce4eb83.rlib" "/opt/rustwide/target/debug/deps/liblibc-a3b13f6b27abcc70.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-12ce12f1efc08aa3.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-5d3cd1b3ddab72e4.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-f8222943dfd167e2.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-0cd00b2d3108cd48.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-485c05ba6ce1b438.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-63e6b1072426ba59.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-a421aff1d43911ee.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-3deef8ef4fe80dff.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-f65a176f0586269e.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-ad46d4080f4d7e57.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-da6c590582bf0885.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-837ca740df32db0a.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-db27c965e824589f.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-68a4f8466685ed76.rlib" "-Wl,-Bdynamic" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil" [INFO] [stderr] = note: /usr/bin/ld: cannot find -llinkbot [INFO] [stderr] collect2: error: ld returned 1 exit status [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] error: Could not compile `linkbot`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "49ebb2aea6d2cbdd416b3a0180160f0e31f3508f903a21f0dfef321030db2ceb"` [INFO] running `"docker" "rm" "-f" "49ebb2aea6d2cbdd416b3a0180160f0e31f3508f903a21f0dfef321030db2ceb"` [INFO] [stdout] 49ebb2aea6d2cbdd416b3a0180160f0e31f3508f903a21f0dfef321030db2ceb