[INFO] fetching crate aemics_stm32g4xx_drivers 0.1.0... [INFO] testing aemics_stm32g4xx_drivers-0.1.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] extracting crate aemics_stm32g4xx_drivers 0.1.0 into /workspace/builds/worker-1-tc2/source [INFO] removed /workspace/builds/worker-1-tc2/source/.cargo/config.toml [INFO] started tweaking crates.io crate aemics_stm32g4xx_drivers 0.1.0 [INFO] finished tweaking crates.io crate aemics_stm32g4xx_drivers 0.1.0 [INFO] tweaked toml for crates.io crate aemics_stm32g4xx_drivers 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate aemics_stm32g4xx_drivers 0.1.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate aemics_stm32g4xx_drivers 0.1.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 768fb9a412c15e4bdd386ebee728f0ed9f23d8acfff0c966bec9e4fa159745a3 [INFO] running `Command { std: "docker" "start" "-a" "768fb9a412c15e4bdd386ebee728f0ed9f23d8acfff0c966bec9e4fa159745a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "768fb9a412c15e4bdd386ebee728f0ed9f23d8acfff0c966bec9e4fa159745a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "768fb9a412c15e4bdd386ebee728f0ed9f23d8acfff0c966bec9e4fa159745a3", kill_on_drop: false }` [INFO] [stdout] 768fb9a412c15e4bdd386ebee728f0ed9f23d8acfff0c966bec9e4fa159745a3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 754e1d334ca208e7f83eab42ddf57d52e5850b28e4ab034d7d92df44daecff22 [INFO] running `Command { std: "docker" "start" "-a" "754e1d334ca208e7f83eab42ddf57d52e5850b28e4ab034d7d92df44daecff22", kill_on_drop: false }` [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling cortex-m v0.7.7 [INFO] [stderr] Compiling nb v1.1.0 [INFO] [stderr] Compiling proc-macro2 v1.0.85 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling vcell v0.1.3 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling nb v0.1.3 [INFO] [stderr] Compiling volatile-register v0.2.2 [INFO] [stderr] Compiling critical-section v1.1.2 [INFO] [stderr] Compiling bitfield v0.13.2 [INFO] [stderr] Compiling cortex-m-rt v0.7.3 [INFO] [stderr] Compiling embedded-hal v0.2.7 [INFO] [stderr] Compiling paste v1.0.15 [INFO] [stderr] Compiling cortex-m-semihosting v0.5.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling stm32g4 v0.15.1 [INFO] [stderr] Compiling usb-device v0.2.9 [INFO] [stderr] Compiling stm32-usbd v0.6.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling stable_deref_trait v1.2.0 [INFO] [stderr] Compiling gcd v2.3.0 [INFO] [stderr] Compiling bare-metal v1.0.0 [INFO] [stderr] Compiling static_assertions v1.1.0 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling fugit v0.3.7 [INFO] [stderr] Compiling embedded-dma v0.2.0 [INFO] [stderr] Compiling usbd-serial v0.1.1 [INFO] [stderr] Compiling embedded-io v0.6.1 [INFO] [stderr] Compiling embedded-hal v1.0.0 [INFO] [stderr] Compiling bitflags v2.5.0 [INFO] [stderr] Compiling bare-metal v0.2.5 [INFO] [stderr] Compiling cast v0.3.0 [INFO] [stderr] Compiling fdcan v0.2.0 [INFO] [stderr] Compiling panic-semihosting v0.6.0 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling cortex-m-rt-macros v0.7.0 [INFO] [stderr] Compiling aemics-stm32g4xx-hal v0.1.0 [INFO] [stderr] Compiling aemics_stm32g4xx_drivers v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/usb.rs:51:44 [INFO] [stdout] | [INFO] [stdout] 51 | cortex_m::interrupt::free(|cs| MUTEX_USB_SERIAL.borrow(cs).borrow_mut().replace(SerialPort::new(USB_BUS.as_ref().unwrap()))); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/usb.rs:51:109 [INFO] [stdout] | [INFO] [stdout] 51 | cortex_m::interrupt::free(|cs| MUTEX_USB_SERIAL.borrow(cs).borrow_mut().replace(SerialPort::new(USB_BUS.as_ref().unwrap()))); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/usb.rs:53:49 [INFO] [stdout] | [INFO] [stdout] 53 | let usb_dev = UsbDeviceBuilder::new(USB_BUS.as_ref().unwrap(), UsbVidPid(0x16c0, 0x27dd)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/usb.rs:80:52 [INFO] [stdout] | [INFO] [stdout] 80 | if let Some(ref mut serial) = unsafe { MUTEX_USB_SERIAL.borrow(cs).borrow_mut().deref_mut() } { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/usb.rs:108:52 [INFO] [stdout] | [INFO] [stdout] 108 | if let Some(ref mut serial) = unsafe { MUTEX_USB_SERIAL.borrow(cs).borrow_mut().deref_mut() } { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static [INFO] [stdout] --> src/usb.rs:136:28 [INFO] [stdout] | [INFO] [stdout] 136 | let usb_dev = unsafe { USB_DEVICE.as_mut().unwrap() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/usb.rs:140:48 [INFO] [stdout] | [INFO] [stdout] 140 | if let Some(ref mut serial) = unsafe { MUTEX_USB_SERIAL.borrow(cs).borrow_mut().deref_mut() } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 39.87s [INFO] running `Command { std: "docker" "inspect" "754e1d334ca208e7f83eab42ddf57d52e5850b28e4ab034d7d92df44daecff22", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "754e1d334ca208e7f83eab42ddf57d52e5850b28e4ab034d7d92df44daecff22", kill_on_drop: false }` [INFO] [stdout] 754e1d334ca208e7f83eab42ddf57d52e5850b28e4ab034d7d92df44daecff22 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 824df00300d31c99dc35e76de4435638d888490b3bc27dd2916681a4ac93caf1 [INFO] running `Command { std: "docker" "start" "-a" "824df00300d31c99dc35e76de4435638d888490b3bc27dd2916681a4ac93caf1", kill_on_drop: false }` [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/usb.rs:51:44 [INFO] [stdout] | [INFO] [stdout] 51 | cortex_m::interrupt::free(|cs| MUTEX_USB_SERIAL.borrow(cs).borrow_mut().replace(SerialPort::new(USB_BUS.as_ref().unwrap()))); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/usb.rs:51:109 [INFO] [stdout] | [INFO] [stdout] 51 | cortex_m::interrupt::free(|cs| MUTEX_USB_SERIAL.borrow(cs).borrow_mut().replace(SerialPort::new(USB_BUS.as_ref().unwrap()))); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/usb.rs:53:49 [INFO] [stdout] | [INFO] [stdout] 53 | let usb_dev = UsbDeviceBuilder::new(USB_BUS.as_ref().unwrap(), UsbVidPid(0x16c0, 0x27dd)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/usb.rs:80:52 [INFO] [stdout] | [INFO] [stdout] 80 | if let Some(ref mut serial) = unsafe { MUTEX_USB_SERIAL.borrow(cs).borrow_mut().deref_mut() } { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/usb.rs:108:52 [INFO] [stdout] | [INFO] [stdout] 108 | if let Some(ref mut serial) = unsafe { MUTEX_USB_SERIAL.borrow(cs).borrow_mut().deref_mut() } { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static [INFO] [stdout] --> src/usb.rs:136:28 [INFO] [stdout] | [INFO] [stdout] 136 | let usb_dev = unsafe { USB_DEVICE.as_mut().unwrap() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/usb.rs:140:48 [INFO] [stdout] | [INFO] [stdout] 140 | if let Some(ref mut serial) = unsafe { MUTEX_USB_SERIAL.borrow(cs).borrow_mut().deref_mut() } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling aemics_stm32g4xx_drivers v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `aemics_drivers` [INFO] [stdout] --> examples/usb_echo.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use aemics_drivers::usb::{UsbDriver, Write, Read}; [INFO] [stdout] | ^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `aemics_drivers` [INFO] [stdout] | [INFO] [stdout] = help: if you wanted to use a crate named `aemics_drivers`, use `cargo add aemics_drivers` to add it to your `Cargo.toml` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `aemics_stm32g4xx_hal::delay::SYSTDelayExt` [INFO] [stdout] --> examples/usb_echo.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use aemics_stm32g4xx_hal::delay::SYSTDelayExt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0433`. [INFO] [stdout] [INFO] [stderr] error: could not compile `aemics_stm32g4xx_drivers` (example "usb_echo") due to 1 previous error; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `aemics_drivers` [INFO] [stdout] --> examples/usb_print.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | use aemics_drivers::usb::{UsbDriver, Write}; [INFO] [stdout] | ^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `aemics_drivers` [INFO] [stdout] | [INFO] [stdout] = help: if you wanted to use a crate named `aemics_drivers`, use `cargo add aemics_drivers` to add it to your `Cargo.toml` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0433`. [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/usb.rs:51:44 [INFO] [stdout] | [INFO] [stdout] 51 | cortex_m::interrupt::free(|cs| MUTEX_USB_SERIAL.borrow(cs).borrow_mut().replace(SerialPort::new(USB_BUS.as_ref().unwrap()))); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/usb.rs:51:109 [INFO] [stdout] | [INFO] [stdout] 51 | cortex_m::interrupt::free(|cs| MUTEX_USB_SERIAL.borrow(cs).borrow_mut().replace(SerialPort::new(USB_BUS.as_ref().unwrap()))); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/usb.rs:53:49 [INFO] [stdout] | [INFO] [stdout] 53 | let usb_dev = UsbDeviceBuilder::new(USB_BUS.as_ref().unwrap(), UsbVidPid(0x16c0, 0x27dd)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/usb.rs:80:52 [INFO] [stdout] | [INFO] [stdout] 80 | if let Some(ref mut serial) = unsafe { MUTEX_USB_SERIAL.borrow(cs).borrow_mut().deref_mut() } { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/usb.rs:108:52 [INFO] [stdout] | [INFO] [stdout] 108 | if let Some(ref mut serial) = unsafe { MUTEX_USB_SERIAL.borrow(cs).borrow_mut().deref_mut() } { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static [INFO] [stdout] --> src/usb.rs:136:28 [INFO] [stdout] | [INFO] [stdout] 136 | let usb_dev = unsafe { USB_DEVICE.as_mut().unwrap() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/usb.rs:140:48 [INFO] [stdout] | [INFO] [stdout] 140 | if let Some(ref mut serial) = unsafe { MUTEX_USB_SERIAL.borrow(cs).borrow_mut().deref_mut() } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `aemics_stm32g4xx_drivers` (example "usb_print") due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "824df00300d31c99dc35e76de4435638d888490b3bc27dd2916681a4ac93caf1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "824df00300d31c99dc35e76de4435638d888490b3bc27dd2916681a4ac93caf1", kill_on_drop: false }` [INFO] [stdout] 824df00300d31c99dc35e76de4435638d888490b3bc27dd2916681a4ac93caf1