[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 beta-2021-10-15 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftweedegolf%2Fembedded-workshop" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tweedegolf/embedded-workshop on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-14/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-14/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" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v1.0.64
[INFO] [stderr]   Downloaded accelerometer v0.12.0
[INFO] [stderr]   Downloaded defmt-rtt v0.2.0
[INFO] [stderr]   Downloaded rtic-syntax v0.4.0
[INFO] [stderr]   Downloaded panic-probe v0.2.0
[INFO] [stderr]   Downloaded heapless v0.6.1
[INFO] [stderr]   Downloaded micromath v1.1.1
[INFO] [stderr]   Downloaded rtic-core v0.3.1
[INFO] [stderr]   Downloaded cortex-m-rtic-macros v0.5.2
[INFO] [stderr]   Downloaded cortex-m-rtic v0.5.6
[INFO] [stderr]   Downloaded defmt v0.2.1
[INFO] [stderr]   Downloaded display-interface v0.4.0
[INFO] [stderr]   Downloaded defmt-macros v0.2.0
[INFO] [stderr]   Downloaded display-interface-spi v0.4.0
[INFO] [stderr]   Downloaded ssd1306 v0.5.2
[INFO] [stderr]   Downloaded fixed v1.7.0
[INFO] [stderr]   Downloaded byte-slice-cast v0.3.5
[INFO] [stderr]   Downloaded display-interface-i2c v0.4.0
[INFO] [stderr]   Downloaded num_enum_derive v0.5.1
[INFO] [stderr]   Downloaded cortex-m-rt v0.6.13
[INFO] [stderr]   Downloaded defmt-parser v0.2.0
[INFO] [stderr]   Downloaded num_enum v0.5.1
[INFO] [stderr]   Downloaded lis3dh v0.3.0
[INFO] [stderr]   Downloaded embedded-hal v0.2.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", 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] 3f66c803566cbf4b2c46de6fe142f0da6010b4d96981270d1b250fa7e0832282
[INFO] running `Command { std: "docker" "start" "-a" "3f66c803566cbf4b2c46de6fe142f0da6010b4d96981270d1b250fa7e0832282", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f66c803566cbf4b2c46de6fe142f0da6010b4d96981270d1b250fa7e0832282", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f66c803566cbf4b2c46de6fe142f0da6010b4d96981270d1b250fa7e0832282", kill_on_drop: false }`
[INFO] [stdout] 3f66c803566cbf4b2c46de6fe142f0da6010b4d96981270d1b250fa7e0832282
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77966b9974fa1d5c2db73b9e14bae8ff89d68e0eefe470c460b08bcff55abbb9
[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" "77966b9974fa1d5c2db73b9e14bae8ff89d68e0eefe470c460b08bcff55abbb9", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.64
[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]     Checking vcell v0.1.3
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling fixed v1.7.0
[INFO] [stderr]    Compiling defmt-parser v0.2.0
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking display-interface v0.4.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling panic-probe v0.2.0
[INFO] [stderr]     Checking byte-slice-cast v0.3.5
[INFO] [stderr]    Compiling lis3dh v0.3.0
[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 embedded-dma v0.1.2
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking typenum v1.13.0
[INFO] [stderr]     Checking az v1.1.1
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling defmt v0.2.1
[INFO] [stderr]     Checking bare-metal v0.2.5
[INFO] [stderr]     Checking cast v0.2.3
[INFO] [stderr]     Checking embedded-graphics v0.6.2
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]     Checking cortex-m v0.7.2
[INFO] [stderr]     Checking display-interface-spi v0.4.0
[INFO] [stderr]     Checking display-interface-i2c v0.4.0
[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]     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]     Checking cortex-m v0.6.7
[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 cortex-m-rt v0.6.13
[INFO] [stderr]     Checking nrf52840-pac v0.9.0
[INFO] [stderr]     Checking defmt-rtt v0.2.0
[INFO] [stderr]     Checking num_enum v0.5.1
[INFO] [stderr]     Checking nrf-hal-common v0.12.1
[INFO] [stderr]     Checking nrf52840-hal v0.12.1
[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] 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] 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] 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] 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: 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] 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/beta-2021-10-15-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9a950938f3668a37.rlib
[INFO] [stdout]    = note: second definition in the local crate (`pac_init_example`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hal::pac`
[INFO] [stdout]  --> lectures/src/bin/gdb_demo.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use hal::pac;
[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/gdb_demo.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use hal::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[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: aborting due to previous error; 2 warnings emitted
[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/beta-2021-10-15-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9a950938f3668a37.rlib
[INFO] [stdout]    = note: second definition in the local crate (`hal_pac_structure`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[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: 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] 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: 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 `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[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/beta-2021-10-15-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9a950938f3668a37.rlib
[INFO] [stdout]    = note: second definition in the local crate (`minimal_rtic`)
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hal::prelude::*`
[INFO] [stdout]   --> lectures/src/bin/uart_config.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: 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: `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: 1 warning emitted
[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] 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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rtic::cyccnt`
[INFO] [stdout]    --> lectures/src/bin/rtic_example.rs:139:19
[INFO] [stdout]     |
[INFO] [stdout] 139 |         use rtic::cyccnt::U32Ext;
[INFO] [stdout]     |                   ^^^^^^ could not find `cyccnt` in `rtic`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `cyccnt` in `rtic`
[INFO] [stdout]   --> lectures/src/bin/rtic_example.rs:23:21
[INFO] [stdout]    |
[INFO] [stdout] 23 |     monotonic=rtic::cyccnt::CYCCNT
[INFO] [stdout]    |                     ^^^^^^ could not find `cyccnt` in `rtic`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `embedded_hal::timer`
[INFO] [stdout]  --> lectures/src/bin/rtic_example.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use embedded_hal::timer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pac::DWT`
[INFO] [stdout]   --> lectures/src/bin/rtic_example.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pac::DWT,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `cycles` found for type `{integer}` in the current scope
[INFO] [stdout]    --> lectures/src/bin/rtic_example.rs:157:56
[INFO] [stdout]     |
[INFO] [stdout] 157 |                 .set_led_3_state(ctx.start + 8_000_000.cycles(), true)
[INFO] [stdout]     |                                                        ^^^^^^ method not found in `{integer}`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `cycles` found for type `{integer}` in the current scope
[INFO] [stdout]    --> lectures/src/bin/rtic_example.rs:160:57
[INFO] [stdout]     |
[INFO] [stdout] 160 |                 .set_led_3_state(ctx.start + 32_000_000.cycles(), false)
[INFO] [stdout]     |                                                         ^^^^^^ method not found in `{integer}`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> lectures/src/bin/rtic_example.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | / #[rtic::app(
[INFO] [stdout] 21 | |     device=nrf52840_hal::pac,
[INFO] [stdout] 22 | |     peripherals=true,
[INFO] [stdout] 23 | |     monotonic=rtic::cyccnt::CYCCNT
[INFO] [stdout] 24 | | )]
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = note: type must be known at this point
[INFO] [stdout]    = note: this error originates in the attribute macro `rtic::app` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0432, E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "77966b9974fa1d5c2db73b9e14bae8ff89d68e0eefe470c460b08bcff55abbb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77966b9974fa1d5c2db73b9e14bae8ff89d68e0eefe470c460b08bcff55abbb9", kill_on_drop: false }`
[INFO] [stdout] 77966b9974fa1d5c2db73b9e14bae8ff89d68e0eefe470c460b08bcff55abbb9
