[INFO] updating cached repository https://github.com/semahawk/stm32-os
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cb27473e2d34a5c547871efe76971fc0cc4ebe45
[INFO] checking semahawk/stm32-os against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsemahawk%2Fstm32-os" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/semahawk/stm32-os on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/semahawk/stm32-os
[INFO] finished tweaking git repo https://github.com/semahawk/stm32-os
[INFO] tweaked toml for git repo https://github.com/semahawk/stm32-os written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/semahawk/stm32-os already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5f8659177ae5708b9ad550433c59bcd227a9337800abca028b59aff6576049bb
[INFO] running `"docker" "start" "-a" "5f8659177ae5708b9ad550433c59bcd227a9337800abca028b59aff6576049bb"`
[INFO] [stderr]     Checking rlibc v1.0.0
[INFO] [stderr]     Checking stm32-os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'asm': the syntax of asm! will change soon, use llvm_asm! to avoid breakage
[INFO] [stderr]   --> src/main.rs:91:14
[INFO] [stderr]    |
[INFO] [stderr] 91 |     unsafe { asm!("bkpt"); }
[INFO] [stderr]    |              ^^^ help: replace the use of the deprecated item: `llvm_asm`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `Usart_register_map` should have an upper camel case name
[INFO] [stderr]   --> src/usart.rs:32:8
[INFO] [stderr]    |
[INFO] [stderr] 32 | struct Usart_register_map {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `UsartRegisterMap`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `apb1_usart2` should have an upper camel case name
[INFO] [stderr]   --> src/rcc.rs:79:3
[INFO] [stderr]    |
[INFO] [stderr] 79 |   apb1_usart2,
[INFO] [stderr]    |   ^^^^^^^^^^^ help: convert the identifier to upper camel case: `Apb1Usart2`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `apb2_afio` should have an upper camel case name
[INFO] [stderr]   --> src/rcc.rs:80:3
[INFO] [stderr]    |
[INFO] [stderr] 80 |   apb2_afio,
[INFO] [stderr]    |   ^^^^^^^^^ help: convert the identifier to upper camel case: `Apb2Afio`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `apb2_gpioa` should have an upper camel case name
[INFO] [stderr]   --> src/rcc.rs:81:3
[INFO] [stderr]    |
[INFO] [stderr] 81 |   apb2_gpioa,
[INFO] [stderr]    |   ^^^^^^^^^^ help: convert the identifier to upper camel case: `Apb2Gpioa`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `apb2_gpiob` should have an upper camel case name
[INFO] [stderr]   --> src/rcc.rs:82:3
[INFO] [stderr]    |
[INFO] [stderr] 82 |   apb2_gpiob,
[INFO] [stderr]    |   ^^^^^^^^^^ help: convert the identifier to upper camel case: `Apb2Gpiob`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `apb2_gpioc` should have an upper camel case name
[INFO] [stderr]   --> src/rcc.rs:83:3
[INFO] [stderr]    |
[INFO] [stderr] 83 |   apb2_gpioc,
[INFO] [stderr]    |   ^^^^^^^^^^ help: convert the identifier to upper camel case: `Apb2Gpioc`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `apb2_gpiod` should have an upper camel case name
[INFO] [stderr]   --> src/rcc.rs:84:3
[INFO] [stderr]    |
[INFO] [stderr] 84 |   apb2_gpiod,
[INFO] [stderr]    |   ^^^^^^^^^^ help: convert the identifier to upper camel case: `Apb2Gpiod`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `apb2_gpioe` should have an upper camel case name
[INFO] [stderr]   --> src/rcc.rs:85:3
[INFO] [stderr]    |
[INFO] [stderr] 85 |   apb2_gpioe,
[INFO] [stderr]    |   ^^^^^^^^^^ help: convert the identifier to upper camel case: `Apb2Gpioe`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `apb2_gpiof` should have an upper camel case name
[INFO] [stderr]   --> src/rcc.rs:86:3
[INFO] [stderr]    |
[INFO] [stderr] 86 |   apb2_gpiof,
[INFO] [stderr]    |   ^^^^^^^^^^ help: convert the identifier to upper camel case: `Apb2Gpiof`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `apb2_gpiog` should have an upper camel case name
[INFO] [stderr]   --> src/rcc.rs:87:3
[INFO] [stderr]    |
[INFO] [stderr] 87 |   apb2_gpiog,
[INFO] [stderr]    |   ^^^^^^^^^^ help: convert the identifier to upper camel case: `Apb2Gpiog`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `apb2_spi1` should have an upper camel case name
[INFO] [stderr]   --> src/rcc.rs:88:3
[INFO] [stderr]    |
[INFO] [stderr] 88 |   apb2_spi1,
[INFO] [stderr]    |   ^^^^^^^^^ help: convert the identifier to upper camel case: `Apb2Spi1`
[INFO] [stderr] 
[INFO] [stderr] warning: type `Gpio_register_map` should have an upper camel case name
[INFO] [stderr]   --> src/gpio.rs:28:8
[INFO] [stderr]    |
[INFO] [stderr] 28 | struct Gpio_register_map {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `GpioRegisterMap`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `set` should have an upper camel case name
[INFO] [stderr]   --> src/cmd.rs:69:13
[INFO] [stderr]    |
[INFO] [stderr] 69 |   enum Op { set, clear, mode };
[INFO] [stderr]    |             ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Set`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `clear` should have an upper camel case name
[INFO] [stderr]   --> src/cmd.rs:69:18
[INFO] [stderr]    |
[INFO] [stderr] 69 |   enum Op { set, clear, mode };
[INFO] [stderr]    |                  ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Clear`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `mode` should have an upper camel case name
[INFO] [stderr]   --> src/cmd.rs:69:25
[INFO] [stderr]    |
[INFO] [stderr] 69 |   enum Op { set, clear, mode };
[INFO] [stderr]    |                         ^^^^ help: convert the identifier to upper camel case: `Mode`
[INFO] [stderr] 
[INFO] [stderr] warning: type `SPI_register_map` should have an upper camel case name
[INFO] [stderr]   --> src/spi.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct SPI_register_map {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `SpiRegisterMap`
[INFO] [stderr] 
[INFO] [stderr] error[E0522]: definition of an unknown language item: `panic_fmt`
[INFO] [stderr]    --> src/main.rs:147:3
[INFO] [stderr]     |
[INFO] [stderr] 147 |   #[lang = "panic_fmt"]
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `core::fmt::Write`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use core::fmt::Write;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `core::fmt::Write`
[INFO] [stderr]   --> src/cmd.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use core::fmt::Write;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 19 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0522`.
[INFO] [stderr] warning: use of deprecated item 'asm': the syntax of asm! will change soon, use llvm_asm! to avoid breakage
[INFO] [stderr]   --> src/main.rs:91:14
[INFO] [stderr]    |
[INFO] [stderr] 91 |     unsafe { asm!("bkpt"); }
[INFO] [stderr]    |              ^^^ help: replace the use of the deprecated item: `llvm_asm`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `Usart_register_map` should have an upper camel case name
[INFO] [stderr]   --> src/usart.rs:32:8
[INFO] [stderr]    |
[INFO] [stderr] 32 | struct Usart_register_map {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `UsartRegisterMap`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `apb1_usart2` should have an upper camel case name
[INFO] [stderr]   --> src/rcc.rs:79:3
[INFO] [stderr]    |
[INFO] [stderr] 79 |   apb1_usart2,
[INFO] [stderr]    |   ^^^^^^^^^^^ help: convert the identifier to upper camel case: `Apb1Usart2`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `apb2_afio` should have an upper camel case name
[INFO] [stderr]   --> src/rcc.rs:80:3
[INFO] [stderr]    |
[INFO] [stderr] 80 |   apb2_afio,
[INFO] [stderr]    |   ^^^^^^^^^ help: convert the identifier to upper camel case: `Apb2Afio`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `apb2_gpioa` should have an upper camel case name
[INFO] [stderr]   --> src/rcc.rs:81:3
[INFO] [stderr]    |
[INFO] [stderr] 81 |   apb2_gpioa,
[INFO] [stderr]    |   ^^^^^^^^^^ help: convert the identifier to upper camel case: `Apb2Gpioa`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `apb2_gpiob` should have an upper camel case name
[INFO] [stderr]   --> src/rcc.rs:82:3
[INFO] [stderr]    |
[INFO] [stderr] 82 |   apb2_gpiob,
[INFO] [stderr]    |   ^^^^^^^^^^ help: convert the identifier to upper camel case: `Apb2Gpiob`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `apb2_gpioc` should have an upper camel case name
[INFO] [stderr]   --> src/rcc.rs:83:3
[INFO] [stderr]    |
[INFO] [stderr] 83 |   apb2_gpioc,
[INFO] [stderr]    |   ^^^^^^^^^^ help: convert the identifier to upper camel case: `Apb2Gpioc`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `apb2_gpiod` should have an upper camel case name
[INFO] [stderr]   --> src/rcc.rs:84:3
[INFO] [stderr]    |
[INFO] [stderr] 84 |   apb2_gpiod,
[INFO] [stderr]    |   ^^^^^^^^^^ help: convert the identifier to upper camel case: `Apb2Gpiod`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `apb2_gpioe` should have an upper camel case name
[INFO] [stderr]   --> src/rcc.rs:85:3
[INFO] [stderr]    |
[INFO] [stderr] 85 |   apb2_gpioe,
[INFO] [stderr]    |   ^^^^^^^^^^ help: convert the identifier to upper camel case: `Apb2Gpioe`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `apb2_gpiof` should have an upper camel case name
[INFO] [stderr]   --> src/rcc.rs:86:3
[INFO] [stderr]    |
[INFO] [stderr] 86 |   apb2_gpiof,
[INFO] [stderr]    |   ^^^^^^^^^^ help: convert the identifier to upper camel case: `Apb2Gpiof`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `apb2_gpiog` should have an upper camel case name
[INFO] [stderr]   --> src/rcc.rs:87:3
[INFO] [stderr]    |
[INFO] [stderr] 87 |   apb2_gpiog,
[INFO] [stderr]    |   ^^^^^^^^^^ help: convert the identifier to upper camel case: `Apb2Gpiog`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `apb2_spi1` should have an upper camel case name
[INFO] [stderr]   --> src/rcc.rs:88:3
[INFO] [stderr]    |
[INFO] [stderr] 88 |   apb2_spi1,
[INFO] [stderr]    |   ^^^^^^^^^ help: convert the identifier to upper camel case: `Apb2Spi1`
[INFO] [stderr] 
[INFO] [stderr] warning: type `Gpio_register_map` should have an upper camel case name
[INFO] [stderr]   --> src/gpio.rs:28:8
[INFO] [stderr]    |
[INFO] [stderr] 28 | struct Gpio_register_map {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `GpioRegisterMap`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `set` should have an upper camel case name
[INFO] [stderr]   --> src/cmd.rs:69:13
[INFO] [stderr]    |
[INFO] [stderr] 69 |   enum Op { set, clear, mode };
[INFO] [stderr]    |             ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Set`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `clear` should have an upper camel case name
[INFO] [stderr]   --> src/cmd.rs:69:18
[INFO] [stderr]    |
[INFO] [stderr] 69 |   enum Op { set, clear, mode };
[INFO] [stderr]    |                  ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Clear`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `mode` should have an upper camel case name
[INFO] [stderr]   --> src/cmd.rs:69:25
[INFO] [stderr]    |
[INFO] [stderr] 69 |   enum Op { set, clear, mode };
[INFO] [stderr]    |                         ^^^^ help: convert the identifier to upper camel case: `Mode`
[INFO] [stderr] 
[INFO] [stderr] warning: type `SPI_register_map` should have an upper camel case name
[INFO] [stderr]   --> src/spi.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct SPI_register_map {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `SpiRegisterMap`
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `stm32-os`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0522]: definition of an unknown language item: `panic_fmt`
[INFO] [stderr]    --> src/main.rs:147:3
[INFO] [stderr]     |
[INFO] [stderr] 147 |   #[lang = "panic_fmt"]
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt`
[INFO] [stderr] 
[INFO] [stderr] error: `#[panic_handler]` function required, but not found
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `core::fmt::Write`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use core::fmt::Write;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `core::fmt::Write`
[INFO] [stderr]   --> src/cmd.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use core::fmt::Write;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors; 19 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0522`.
[INFO] [stderr] error: could not compile `stm32-os`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "5f8659177ae5708b9ad550433c59bcd227a9337800abca028b59aff6576049bb"`
[INFO] running `"docker" "rm" "-f" "5f8659177ae5708b9ad550433c59bcd227a9337800abca028b59aff6576049bb"`
[INFO] [stdout] 5f8659177ae5708b9ad550433c59bcd227a9337800abca028b59aff6576049bb