[INFO] cloning repository https://github.com/lutzer/midi_clock [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lutzer/midi_clock" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flutzer%2Fmidi_clock", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flutzer%2Fmidi_clock'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c5fed2cbc4e65bf0e272519b7ee2ba8a511519b3 [INFO] checking lutzer/midi_clock against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flutzer%2Fmidi_clock" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lutzer/midi_clock on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config [INFO] started tweaking git repo https://github.com/lutzer/midi_clock [INFO] finished tweaking git repo https://github.com/lutzer/midi_clock [INFO] tweaked toml for git repo https://github.com/lutzer/midi_clock written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/lutzer/midi_clock 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded vcell v0.1.3 [INFO] [stderr] Downloaded r0 v0.2.2 [INFO] [stderr] Downloaded cortex-m-rt-macros v0.6.15 [INFO] [stderr] Downloaded proc-macro2 v1.0.28 [INFO] [stderr] Downloaded semver v1.0.3 [INFO] [stderr] Downloaded alloc-cortex-m v0.4.1 [INFO] [stderr] Downloaded cortex-m v0.6.7 [INFO] [stderr] Downloaded stm32f1 v0.11.0 [INFO] [stderr] Downloaded byte-slice-cast v0.3.5 [INFO] [stderr] Downloaded atomic-polyfill v0.1.2 [INFO] [stderr] Downloaded embedded-hal v0.2.5 [INFO] [stderr] Downloaded display-interface-spi v0.4.1 [INFO] [stderr] Downloaded float-cmp v0.8.0 [INFO] [stderr] Downloaded micromath v1.1.1 [INFO] [stderr] Downloaded numtoa v0.2.4 [INFO] [stderr] Downloaded panic-halt v0.2.0 [INFO] [stderr] Downloaded hd44780-driver v0.4.0 [INFO] [stderr] Downloaded display-interface v0.4.1 [INFO] [stderr] Downloaded embedded-graphics v0.7.1 [INFO] [stderr] Downloaded az v1.1.2 [INFO] [stderr] Downloaded heapless v0.7.3 [INFO] [stderr] Downloaded embedded-graphics-core v0.3.3 [INFO] [stderr] Downloaded stm32f1xx-hal v0.6.1 [INFO] [stderr] Downloaded hash32 v0.2.1 [INFO] [stderr] Downloaded st7789 v0.6.1 [INFO] [stderr] Downloaded cast v0.2.7 [INFO] [stderr] Downloaded generic-array v0.13.3 [INFO] [stderr] Downloaded bare-metal v0.2.5 [INFO] [stderr] Downloaded syn v1.0.74 [INFO] [stderr] Downloaded generic-array v0.12.4 [INFO] [stderr] Downloaded as-slice v0.1.5 [INFO] [stderr] Downloaded aligned v0.3.5 [INFO] [stderr] Downloaded bitfield v0.13.2 [INFO] [stderr] Downloaded nb v1.0.0 [INFO] [stderr] Downloaded nb v0.1.3 [INFO] [stderr] Downloaded cortex-m v0.7.3 [INFO] [stderr] Downloaded volatile-register v0.2.0 [INFO] [stderr] Downloaded cortex-m-rt v0.6.15 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ec1e5486acc0deb76b48b311dcc3ca5bfcad592ca763500a9a2f28b3009750c2 [INFO] running `Command { std: "docker" "start" "-a" "ec1e5486acc0deb76b48b311dcc3ca5bfcad592ca763500a9a2f28b3009750c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ec1e5486acc0deb76b48b311dcc3ca5bfcad592ca763500a9a2f28b3009750c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec1e5486acc0deb76b48b311dcc3ca5bfcad592ca763500a9a2f28b3009750c2", kill_on_drop: false }` [INFO] [stdout] ec1e5486acc0deb76b48b311dcc3ca5bfcad592ca763500a9a2f28b3009750c2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7331db5b97f36c9f1eadf821f6a2c114a4eb9b7b81c956163dc6b73ed14cc1fd [INFO] running `Command { std: "docker" "start" "-a" "7331db5b97f36c9f1eadf821f6a2c114a4eb9b7b81c956163dc6b73ed14cc1fd", kill_on_drop: false }` [INFO] [stderr] Compiling typenum v1.13.0 [INFO] [stderr] Checking nb v1.0.0 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling semver v1.0.3 [INFO] [stderr] Compiling cortex-m v0.7.3 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Checking vcell v0.1.3 [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling cortex-m v0.6.7 [INFO] [stderr] Compiling cortex-m-rt v0.6.15 [INFO] [stderr] Compiling az v1.1.2 [INFO] [stderr] Checking bitfield v0.13.2 [INFO] [stderr] Compiling heapless v0.7.3 [INFO] [stderr] Checking volatile-register v0.2.0 [INFO] [stderr] Checking nb v0.1.3 [INFO] [stderr] Checking r0 v0.2.2 [INFO] [stderr] Checking embedded-hal v0.2.5 [INFO] [stderr] Compiling stm32f1 v0.11.0 [INFO] [stderr] Checking display-interface v0.4.1 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking hash32 v0.2.1 [INFO] [stderr] Checking float-cmp v0.8.0 [INFO] [stderr] Checking byte-slice-cast v0.3.5 [INFO] [stderr] Checking micromath v1.1.1 [INFO] [stderr] Checking linked_list_allocator v0.8.11 [INFO] [stderr] Checking hd44780-driver v0.4.0 [INFO] [stderr] Checking panic-halt v0.2.0 [INFO] [stderr] Checking numtoa v0.2.4 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Checking display-interface-spi v0.4.1 [INFO] [stderr] Compiling bare-metal v0.2.5 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Checking embedded-graphics-core v0.3.3 [INFO] [stderr] Checking generic-array v0.12.4 [INFO] [stderr] Checking generic-array v0.13.3 [INFO] [stderr] Checking as-slice v0.1.5 [INFO] [stderr] Checking embedded-graphics v0.7.1 [INFO] [stderr] Checking st7789 v0.6.1 [INFO] [stderr] Checking aligned v0.3.5 [INFO] [stderr] Checking alloc-cortex-m v0.4.1 [INFO] [stderr] Compiling cortex-m-rt-macros v0.6.15 [INFO] [stderr] Checking stm32f1xx-hal v0.6.1 [INFO] [stderr] Checking midi_clock v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `CriticalSection` [INFO] [stdout] --> src/main.rs:6:27 [INFO] [stdout] | [INFO] [stdout] 6 | use cortex_m::interrupt::{CriticalSection}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `InputPin` [INFO] [stdout] --> src/peripherals.rs:20:44 [INFO] [stdout] | [INFO] [stdout] 20 | use embedded_hal::digital::v2::{OutputPin, InputPin}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::peripherals::*` [INFO] [stdout] --> src/buttons.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::peripherals::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `RunState` [INFO] [stdout] --> src/midi.rs:1:27 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::statemachine::{RunState}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `cortex_m::interrupt` [INFO] [stdout] --> src/midi.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use cortex_m::interrupt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Context` [INFO] [stdout] --> src/midi.rs:3:22 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::context::{Context}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TRIGGER4_MASK` [INFO] [stdout] --> src/midi.rs:4:23 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::triggers::{TRIGGER4_MASK}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `ClockSource`, `RunState` [INFO] [stdout] --> src/memory.rs:2:34 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::statemachine::{State, ClockSource, RunState, DEFAULT_STATE}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `CriticalSection` [INFO] [stdout] --> src/main.rs:6:27 [INFO] [stdout] | [INFO] [stdout] 6 | use cortex_m::interrupt::{CriticalSection}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `InputPin` [INFO] [stdout] --> src/peripherals.rs:20:44 [INFO] [stdout] | [INFO] [stdout] 20 | use embedded_hal::digital::v2::{OutputPin, InputPin}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::peripherals::*` [INFO] [stdout] --> src/buttons.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::peripherals::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `RunState` [INFO] [stdout] --> src/midi.rs:1:27 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::statemachine::{RunState}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `cortex_m::interrupt` [INFO] [stdout] --> src/midi.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use cortex_m::interrupt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Context` [INFO] [stdout] --> src/midi.rs:3:22 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::context::{Context}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TRIGGER4_MASK` [INFO] [stdout] --> src/midi.rs:4:23 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::triggers::{TRIGGER4_MASK}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `ClockSource`, `RunState` [INFO] [stdout] --> src/memory.rs:2:34 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::statemachine::{State, ClockSource, RunState, DEFAULT_STATE}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: unwinding panics are not supported without std [INFO] [stdout] | [INFO] [stdout] = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding [INFO] [stdout] = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl` [INFO] [stdout] --> src/main.rs:195:1 [INFO] [stdout] | [INFO] [stdout] 195 | / fn panic(info: &PanicInfo) -> ! { [INFO] [stdout] 196 | | debug!("PANIC"); [INFO] [stdout] 197 | | if let Some(s) = info.payload().downcast_ref::<&str>() { [INFO] [stdout] 198 | | debug!(*s); [INFO] [stdout] ... | [INFO] [stdout] 201 | | loop {} [INFO] [stdout] 202 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: the lang item is first defined in crate `std` (which `test` depends on) [INFO] [stdout] = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/af4a5a13a15fa0c60e06321077ef452f769b42fd/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-eb900a948ffb2e3b.rlib [INFO] [stdout] = note: second definition in the local crate (`midi_clock`) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0152`. [INFO] [stdout] [INFO] [stderr] error: could not compile `midi_clock` (bin "midi_clock" test) due to 2 previous errors; 8 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/utils.rs:9:34 [INFO] [stdout] | [INFO] [stdout] 9 | return number.numtoa_str(10, &mut STRING_BUFFER); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see issue #114447 [INFO] [stdout] = note: this will be a hard error in the 2024 edition [INFO] [stdout] = note: this mutable reference has lifetime `'static`, but if the static gets accessed (read or written) by any other means, or any other reference is created, then any further use of this mutable reference is Undefined Behavior [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] help: use `addr_of_mut!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 9 | return number.numtoa_str(10, addr_of_mut!(STRING_BUFFER)); [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/utils.rs:17:34 [INFO] [stdout] | [INFO] [stdout] 17 | return number.numtoa_str(10, &mut STRING_BUFFER); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see issue #114447 [INFO] [stdout] = note: this will be a hard error in the 2024 edition [INFO] [stdout] = note: this mutable reference has lifetime `'static`, but if the static gets accessed (read or written) by any other means, or any other reference is created, then any further use of this mutable reference is Undefined Behavior [INFO] [stdout] help: use `addr_of_mut!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 17 | return number.numtoa_str(10, addr_of_mut!(STRING_BUFFER)); [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/utils.rs:25:33 [INFO] [stdout] | [INFO] [stdout] 25 | return number.numtoa_str(5, &mut STRING_BUFFER); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see issue #114447 [INFO] [stdout] = note: this will be a hard error in the 2024 edition [INFO] [stdout] = note: this mutable reference has lifetime `'static`, but if the static gets accessed (read or written) by any other means, or any other reference is created, then any further use of this mutable reference is Undefined Behavior [INFO] [stdout] help: use `addr_of_mut!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 25 | return number.numtoa_str(5, addr_of_mut!(STRING_BUFFER)); [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `gpioc` [INFO] [stdout] --> src/peripherals.rs:93:13 [INFO] [stdout] | [INFO] [stdout] 93 | let mut gpioc = dp.GPIOC.split(&mut apb2); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_gpioc` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/peripherals.rs:93:9 [INFO] [stdout] | [INFO] [stdout] 93 | let mut gpioc = dp.GPIOC.split(&mut apb2); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `uart` [INFO] [stdout] --> src/serial.rs:42:26 [INFO] [stdout] | [INFO] [stdout] 42 | pub fn read(&mut self, uart: u8) -> Result { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_uart` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/serial.rs:44:23 [INFO] [stdout] | [INFO] [stdout] 44 | return b.map_err(|e| SerialError::ReadError); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/main.rs:197:15 [INFO] [stdout] | [INFO] [stdout] 197 | if let Some(s) = info.payload().downcast_ref::<&str>() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `midi_clock` (bin "midi_clock") due to 2 previous errors; 16 warnings emitted [INFO] running `Command { std: "docker" "inspect" "7331db5b97f36c9f1eadf821f6a2c114a4eb9b7b81c956163dc6b73ed14cc1fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7331db5b97f36c9f1eadf821f6a2c114a4eb9b7b81c956163dc6b73ed14cc1fd", kill_on_drop: false }` [INFO] [stdout] 7331db5b97f36c9f1eadf821f6a2c114a4eb9b7b81c956163dc6b73ed14cc1fd