[INFO] cloning repository https://github.com/VAMSIKRISHNA-Optimization/Embedded-RUST---NUCLEO-STM32F446RE-2-BUTTON-INTERRUPT-LED-TOGGLE
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/VAMSIKRISHNA-Optimization/Embedded-RUST---NUCLEO-STM32F446RE-2-BUTTON-INTERRUPT-LED-TOGGLE" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVAMSIKRISHNA-Optimization%2FEmbedded-RUST---NUCLEO-STM32F446RE-2-BUTTON-INTERRUPT-LED-TOGGLE", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVAMSIKRISHNA-Optimization%2FEmbedded-RUST---NUCLEO-STM32F446RE-2-BUTTON-INTERRUPT-LED-TOGGLE'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3c3e7916306e40b33739642b2c5e6995489f10f5
[INFO] fixing VAMSIKRISHNA-Optimization/Embedded-RUST---NUCLEO-STM32F446RE-2-BUTTON-INTERRUPT-LED-TOGGLE against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVAMSIKRISHNA-Optimization%2FEmbedded-RUST---NUCLEO-STM32F446RE-2-BUTTON-INTERRUPT-LED-TOGGLE" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/VAMSIKRISHNA-Optimization/Embedded-RUST---NUCLEO-STM32F446RE-2-BUTTON-INTERRUPT-LED-TOGGLE
[INFO] finished tweaking git repo https://github.com/VAMSIKRISHNA-Optimization/Embedded-RUST---NUCLEO-STM32F446RE-2-BUTTON-INTERRUPT-LED-TOGGLE
[INFO] tweaked toml for git repo https://github.com/VAMSIKRISHNA-Optimization/Embedded-RUST---NUCLEO-STM32F446RE-2-BUTTON-INTERRUPT-LED-TOGGLE written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/VAMSIKRISHNA-Optimization/Embedded-RUST---NUCLEO-STM32F446RE-2-BUTTON-INTERRUPT-LED-TOGGLE on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/VAMSIKRISHNA-Optimization/Embedded-RUST---NUCLEO-STM32F446RE-2-BUTTON-INTERRUPT-LED-TOGGLE 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 3f437d76f9df27e4f56af6050be025075dc9e4e7f1e22e8b521e81ededf5914f
[INFO] running `Command { std: "docker" "start" "3f437d76f9df27e4f56af6050be025075dc9e4e7f1e22e8b521e81ededf5914f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3f437d76f9df27e4f56af6050be025075dc9e4e7f1e22e8b521e81ededf5914f" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f437d76f9df27e4f56af6050be025075dc9e4e7f1e22e8b521e81ededf5914f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3f437d76f9df27e4f56af6050be025075dc9e4e7f1e22e8b521e81ededf5914f" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]     Checking First_MCU_Project v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::reg`
[INFO] [stdout]  --> src/exti.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     use crate::reg;
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `ExtI_Line` should have an upper camel case name
[INFO] [stdout]   --> src/exti.rs:58:10
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub enum ExtI_Line
[INFO] [stdout]    |          ^^^^^^^^^ help: convert the identifier to upper camel case: `ExtILine`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[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] warning: unused import: `crate::reg`
[INFO] [stdout]  --> src/exti.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     use crate::reg;
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `ExtI_Line` should have an upper camel case name
[INFO] [stdout]   --> src/exti.rs:58:10
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub enum ExtI_Line
[INFO] [stdout]    |          ^^^^^^^^^ help: convert the identifier to upper camel case: `ExtILine`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/main.rs:45:1
[INFO] [stdout]    |
[INFO] [stdout] 45 | / fn panic_handler(_info: &PanicInfo) -> ! 
[INFO] [stdout] 46 | | {
[INFO] [stdout] 47 | |     loop 
[INFO] [stdout] ...  |
[INFO] [stdout] 51 | | }
[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/622891a4e29178280638a6b63a8908bde2c0c854/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-ebc3593764c44f83.rmeta
[INFO] [stdout]    = note: second definition in the local crate (`First_MCU_Project`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `port`
[INFO] [stdout]   --> src/button.rs:75:35
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub fn button_configure_interrupt(port: u32, pin: u32)
[INFO] [stdout]    |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_port`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pin`
[INFO] [stdout]   --> src/button.rs:75:46
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub fn button_configure_interrupt(port: u32, pin: u32)
[INFO] [stdout]    |                                              ^^^ help: if this is intentional, prefix it with an underscore: `_pin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exti_line`
[INFO] [stdout]    --> src/exti.rs:117:25
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub fn enable_interrupt(exti_line:ExtI_Line, pin: u32)
[INFO] [stdout]     |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_exti_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exti_line`
[INFO] [stdout]    --> src/exti.rs:126:26
[INFO] [stdout]     |
[INFO] [stdout] 126 | pub fn disable_interrupt(exti_line:ExtI_Line, pin: u32)
[INFO] [stdout]     |                          ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_exti_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exti_line`
[INFO] [stdout]    --> src/exti.rs:135:32
[INFO] [stdout]     |
[INFO] [stdout] 135 | pub fn clear_pending_interrupt(exti_line:ExtI_Line, pin: u32)
[INFO] [stdout]     |                                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_exti_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `First_MCU_Project` (bin "First_MCU_Project" test) due to 1 previous error; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `First_MCU_Project` (bin "First_MCU_Project") due to 1 previous error; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "3f437d76f9df27e4f56af6050be025075dc9e4e7f1e22e8b521e81ededf5914f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f437d76f9df27e4f56af6050be025075dc9e4e7f1e22e8b521e81ededf5914f", kill_on_drop: false }`
[INFO] [stdout] 3f437d76f9df27e4f56af6050be025075dc9e4e7f1e22e8b521e81ededf5914f
