[INFO] cloning repository https://github.com/tweedegolf/embedded-workshop [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tweedegolf/embedded-workshop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftweedegolf%2Fembedded-workshop", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftweedegolf%2Fembedded-workshop'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8839ecc6655863350a49c203a8eaa0ac71dbb153 [INFO] checking tweedegolf/embedded-workshop against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftweedegolf%2Fembedded-workshop" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tweedegolf/embedded-workshop on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-7/source/.cargo/config.toml [INFO] started tweaking git repo https://github.com/tweedegolf/embedded-workshop [INFO] finished tweaking git repo https://github.com/tweedegolf/embedded-workshop [INFO] tweaked toml for git repo https://github.com/tweedegolf/embedded-workshop written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/tweedegolf/embedded-workshop already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2899b20575f1dbed8f3fd19e416184341fecb86faf1345e43c6ef978f6ac4aeb [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "2899b20575f1dbed8f3fd19e416184341fecb86faf1345e43c6ef978f6ac4aeb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2899b20575f1dbed8f3fd19e416184341fecb86faf1345e43c6ef978f6ac4aeb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2899b20575f1dbed8f3fd19e416184341fecb86faf1345e43c6ef978f6ac4aeb", kill_on_drop: false }` [INFO] [stdout] 2899b20575f1dbed8f3fd19e416184341fecb86faf1345e43c6ef978f6ac4aeb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 0998cd36e8c7b92c0b750fd64e06d5a9dc4d2cb85e46c3f40748b93cab282027 [INFO] running `Command { std: "docker" "start" "-a" "0998cd36e8c7b92c0b750fd64e06d5a9dc4d2cb85e46c3f40748b93cab282027", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling syn v1.0.64 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking nb v1.0.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Compiling cortex-m v0.7.2 [INFO] [stderr] Checking vcell v0.1.3 [INFO] [stderr] Compiling cortex-m v0.6.7 [INFO] [stderr] Checking bitfield v0.13.2 [INFO] [stderr] Compiling cortex-m-rt v0.6.13 [INFO] [stderr] Checking r0 v0.2.2 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling defmt-parser v0.2.0 [INFO] [stderr] Compiling fixed v1.7.0 [INFO] [stderr] Compiling nrf52840-pac v0.9.0 [INFO] [stderr] Checking half v1.7.1 [INFO] [stderr] Checking display-interface v0.4.0 [INFO] [stderr] Compiling nrf-hal-common v0.12.1 [INFO] [stderr] Checking byte-slice-cast v0.3.5 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling lis3dh v0.3.0 [INFO] [stderr] Compiling panic-probe v0.2.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling nrf52840-hal v0.12.1 [INFO] [stderr] Compiling heapless v0.6.1 [INFO] [stderr] Checking rtic-core v0.3.1 [INFO] [stderr] Compiling cortex-m-rtic v0.5.6 [INFO] [stderr] Checking volatile-register v0.2.0 [INFO] [stderr] Checking nb v0.1.3 [INFO] [stderr] Checking embedded-dma v0.1.2 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking embedded-graphics v0.6.2 [INFO] [stderr] Checking hash32 v0.1.1 [INFO] [stderr] Compiling indexmap v1.6.2 [INFO] [stderr] Checking typenum v1.13.0 [INFO] [stderr] Compiling semver-parser v0.10.2 [INFO] [stderr] Checking az v1.1.1 [INFO] [stderr] Checking embedded-hal v0.2.4 [INFO] [stderr] Checking display-interface-i2c v0.4.0 [INFO] [stderr] Checking display-interface-spi v0.4.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling bare-metal v0.2.5 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Compiling semver v0.11.0 [INFO] [stderr] Checking generic-array v0.14.4 [INFO] [stderr] Checking generic-array v0.12.4 [INFO] [stderr] Checking generic-array v0.13.3 [INFO] [stderr] Compiling defmt v0.2.1 [INFO] [stderr] Checking as-slice v0.1.5 [INFO] [stderr] Checking micromath v1.1.1 [INFO] [stderr] Checking ssd1306 v0.5.2 [INFO] [stderr] Checking accelerometer v0.12.0 [INFO] [stderr] Checking aligned v0.3.4 [INFO] [stderr] Compiling rtic-syntax v0.4.0 [INFO] [stderr] Compiling cortex-m-rt-macros v0.1.8 [INFO] [stderr] Compiling defmt-macros v0.2.0 [INFO] [stderr] Compiling derivative v2.2.0 [INFO] [stderr] Compiling num_enum_derive v0.5.1 [INFO] [stderr] Compiling cortex-m-rtic-macros v0.5.2 [INFO] [stderr] Checking defmt-rtt v0.2.0 [INFO] [stderr] Checking num_enum v0.5.1 [INFO] [stderr] Checking examples v0.1.0 (/opt/rustwide/workdir/lectures) [INFO] [stderr] Checking assignments v0.1.0 (/opt/rustwide/workdir/assignments) [INFO] [stdout] warning: unused import: `nrf52840_hal as hal` [INFO] [stdout] --> assignments/src/lib.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use nrf52840_hal as hal; // memory layout [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `nrf52840_hal as hal` [INFO] [stdout] --> assignments/src/lib.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use nrf52840_hal as hal; // memory layout [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::panic::PanicInfo` [INFO] [stdout] --> lectures/src/bin/timer_config.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use core::panic::PanicInfo; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::panic::PanicInfo` [INFO] [stdout] --> lectures/src/bin/test.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use core::panic::PanicInfo; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `exit` [INFO] [stdout] --> lectures/src/bin/test.rs:15:27 [INFO] [stdout] | [INFO] [stdout] 15 | use examples::{self as _, exit}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: language item required, but not found: `eh_personality` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `examples` due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused import: `hal::prelude::*` [INFO] [stdout] --> lectures/src/bin/hal_pac_structure.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use hal::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl` [INFO] [stdout] --> lectures/src/bin/hal_pac_structure.rs:41:1 [INFO] [stdout] | [INFO] [stdout] 41 | fn panic(_ef: &PanicInfo) -> ! { [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/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-1a95cddb5b8aaf6b.rlib [INFO] [stdout] = note: second definition in the local crate (`hal_pac_structure`) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0152`. [INFO] [stdout] [INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl` [INFO] [stdout] --> lectures/src/bin/pac_init_example.rs:49:1 [INFO] [stdout] | [INFO] [stdout] 49 | fn panic(_ef: &PanicInfo) -> ! { [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/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-1a95cddb5b8aaf6b.rlib [INFO] [stdout] = note: second definition in the local crate (`pac_init_example`) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `hal::prelude::*` [INFO] [stdout] --> lectures/src/bin/hal_pac_structure.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use hal::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: language item required, but not found: `eh_personality` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0152`. [INFO] [stdout] [INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl` [INFO] [stdout] --> lectures/src/bin/minimal_rtic.rs:13:1 [INFO] [stdout] | [INFO] [stdout] 13 | fn panic(_ef: &PanicInfo) -> ! { [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/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-1a95cddb5b8aaf6b.rlib [INFO] [stdout] = note: second definition in the local crate (`minimal_rtic`) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> lectures/src/bin/timer_config.rs:47:9 [INFO] [stdout] | [INFO] [stdout] 47 | led_1_pin.set_low(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> lectures/src/bin/timer_config.rs:50:9 [INFO] [stdout] | [INFO] [stdout] 50 | led_1_pin.set_high(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0152`. [INFO] [stdout] [INFO] [stdout] warning: unused import: `hal::prelude::*` [INFO] [stdout] --> lectures/src/bin/driver_example.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use hal::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `hal::gpio::Level` [INFO] [stdout] --> lectures/src/bin/i2c_config.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 30 | use hal::gpio::Level; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: language item required, but not found: `eh_personality` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Mode`, `Phase`, `Polarity` [INFO] [stdout] --> lectures/src/bin/spi_config.rs:31:32 [INFO] [stdout] | [INFO] [stdout] 31 | use hal::spim::{Frequency, Mode, Phase, Pins, Polarity}; [INFO] [stdout] | ^^^^ ^^^^^ ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `hal::prelude` [INFO] [stdout] --> lectures/src/bin/i2c_config.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use hal::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `status` [INFO] [stdout] --> lectures/src/bin/driver_example.rs:126:9 [INFO] [stdout] | [INFO] [stdout] 126 | let status = laser_machine.laser_status().unwrap(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_status` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `hal::prelude::*` [INFO] [stdout] --> lectures/src/bin/driver_example.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use hal::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `hal::prelude` [INFO] [stdout] --> lectures/src/bin/spi_config.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use hal::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> lectures/src/bin/driver_example.rs:90:9 [INFO] [stdout] | [INFO] [stdout] 90 | let mut not_chip_sel = port0.p0_28.into_push_pull_output(Level::High).degrade(); [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: variable does not need to be mutable [INFO] [stdout] --> lectures/src/bin/driver_example.rs:114:9 [INFO] [stdout] | [INFO] [stdout] 114 | let mut spi = hal::Spim::new( [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `status` [INFO] [stdout] --> lectures/src/bin/driver_example.rs:126:9 [INFO] [stdout] | [INFO] [stdout] 126 | let status = laser_machine.laser_status().unwrap(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_status` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> lectures/src/bin/driver_example.rs:90:9 [INFO] [stdout] | [INFO] [stdout] 90 | let mut not_chip_sel = port0.p0_28.into_push_pull_output(Level::High).degrade(); [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: variable does not need to be mutable [INFO] [stdout] --> lectures/src/bin/driver_example.rs:114:9 [INFO] [stdout] | [INFO] [stdout] 114 | let mut spi = hal::Spim::new( [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::panic::PanicInfo` [INFO] [stdout] --> lectures/src/bin/test.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use core::panic::PanicInfo; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `exit` [INFO] [stdout] --> lectures/src/bin/test.rs:15:27 [INFO] [stdout] | [INFO] [stdout] 15 | use examples::{self as _, exit}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> lectures/src/bin/driver_example.rs:49:13 [INFO] [stdout] | [INFO] [stdout] 49 | self.spi.write(b"LASER ON!"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> lectures/src/bin/driver_example.rs:56:13 [INFO] [stdout] | [INFO] [stdout] 56 | self.spi.write(b"LASER OFF!"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> lectures/src/bin/driver_example.rs:49:13 [INFO] [stdout] | [INFO] [stdout] 49 | self.spi.write(b"LASER ON!"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> lectures/src/bin/driver_example.rs:56:13 [INFO] [stdout] | [INFO] [stdout] 56 | self.spi.write(b"LASER OFF!"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "0998cd36e8c7b92c0b750fd64e06d5a9dc4d2cb85e46c3f40748b93cab282027", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0998cd36e8c7b92c0b750fd64e06d5a9dc4d2cb85e46c3f40748b93cab282027", kill_on_drop: false }` [INFO] [stdout] 0998cd36e8c7b92c0b750fd64e06d5a9dc4d2cb85e46c3f40748b93cab282027