[INFO] cloning repository https://github.com/jackfisher90/STM32F3Discovery-SPI-
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jackfisher90/STM32F3Discovery-SPI-" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackfisher90%2FSTM32F3Discovery-SPI-", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackfisher90%2FSTM32F3Discovery-SPI-'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aeb27372bdf85e5a2c48cb97d504c674e19f9327
[INFO] testing jackfisher90/STM32F3Discovery-SPI- against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackfisher90%2FSTM32F3Discovery-SPI-" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jackfisher90/STM32F3Discovery-SPI- on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jackfisher90/STM32F3Discovery-SPI-
[INFO] finished tweaking git repo https://github.com/jackfisher90/STM32F3Discovery-SPI-
[INFO] tweaked toml for git repo https://github.com/jackfisher90/STM32F3Discovery-SPI- written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/jackfisher90/STM32F3Discovery-SPI- already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5f4d4d160b0798d6d887a6b232af3f273c8353a3c614287878aad43c8d1e901
[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" "b5f4d4d160b0798d6d887a6b232af3f273c8353a3c614287878aad43c8d1e901", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5f4d4d160b0798d6d887a6b232af3f273c8353a3c614287878aad43c8d1e901", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5f4d4d160b0798d6d887a6b232af3f273c8353a3c614287878aad43c8d1e901", kill_on_drop: false }`
[INFO] [stdout] b5f4d4d160b0798d6d887a6b232af3f273c8353a3c614287878aad43c8d1e901
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4560384e22f35409bc39f03e0826fcc096da8781affd7b7b08b8d8552faa3aaf
[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" "4560384e22f35409bc39f03e0826fcc096da8781affd7b7b08b8d8552faa3aaf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling cortex-m v0.6.2
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling vcell v0.1.2
[INFO] [stderr]    Compiling syn v1.0.20
[INFO] [stderr]    Compiling cortex-m-rt v0.6.12
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.5
[INFO] [stderr]    Compiling stm32f3 v0.11.0
[INFO] [stderr]    Compiling r0 v0.2.2
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling generic-array v0.13.2
[INFO] [stderr]    Compiling volatile-register v0.2.0
[INFO] [stderr]    Compiling as-slice v0.1.3
[INFO] [stderr]    Compiling aligned v0.3.2
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]    Compiling panic-itm v0.4.1
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]    Compiling project4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `asm`, `iprint`
[INFO] [stdout]  --> src/main.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 | use cortex_m::{asm, iprintln, iprint, Peripherals as core_peripherals};
[INFO] [stdout]   |                ^^^            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug`, `hprintln`
[INFO] [stdout]  --> src/main.rs:9:28
[INFO] [stdout]   |
[INFO] [stdout] 9 | use cortex_m_semihosting::{debug, hprintln};
[INFO] [stdout]   |                            ^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `timer` should have an upper camel case name
[INFO] [stdout]   --> src/my_api.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub struct timer{}
[INFO] [stdout]    |                ^^^^^ help: convert the identifier to upper camel case: `Timer`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `spi_func` should have an upper camel case name
[INFO] [stdout]   --> src/my_api.rs:37:16
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub struct spi_func{}
[INFO] [stdout]    |                ^^^^^^^^ help: convert the identifier to upper camel case: `SpiFunc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `gyro` should have an upper camel case name
[INFO] [stdout]   --> src/sensor.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub struct gyro{
[INFO] [stdout]    |                ^^^^ help: convert the identifier to upper camel case: `Gyro`
[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; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `project4`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "4560384e22f35409bc39f03e0826fcc096da8781affd7b7b08b8d8552faa3aaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4560384e22f35409bc39f03e0826fcc096da8781affd7b7b08b8d8552faa3aaf", kill_on_drop: false }`
[INFO] [stdout] 4560384e22f35409bc39f03e0826fcc096da8781affd7b7b08b8d8552faa3aaf