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[INFO] crate git repo https://github.com/melastmohican/stm32f1-examples already has a lockfile, it will not be regenerated
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[INFO] [stderr]     Updating git repository `https://github.com/stm32-rs/stm32f1xx-hal.git`
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[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]    Compiling cortex-m v0.7.7
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[INFO] [stderr]     Checking vcell v0.1.3
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[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling thiserror v2.0.11
[INFO] [stderr]    Compiling portable-atomic v1.11.0
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[INFO] [stderr]     Checking volatile-register v0.2.2
[INFO] [stderr]    Compiling semver v1.0.25
[INFO] [stderr]    Compiling smallvec v1.14.0
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[INFO] [stderr]    Compiling az v1.2.1
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[INFO] [stderr]    Compiling rustc_version v0.2.3
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[INFO] [stderr]     Checking scopeguard v1.2.0
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[INFO] [stderr]     Checking stm32f1-examples v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `BlockingI2c`
[INFO] [stdout]   --> examples/bme280_i2c.rs:27:11
[INFO] [stdout]    |
[INFO] [stdout] 27 |     i2c::{BlockingI2c, DutyCycle, Mode},
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hprint`
[INFO] [stdout]   --> examples/i2c_scanner.rs:13:28
[INFO] [stdout]    |
[INFO] [stdout] 13 | use cortex_m_semihosting::{hprint, hprintln};
[INFO] [stdout]    |                            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `afio`
[INFO] [stdout]   --> examples/bme280_i2c.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let mut afio = dp.AFIO.constrain();
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_afio`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/bme280_i2c.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let mut afio = dp.AFIO.constrain();
[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]   --> examples/bme280_i2c.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let mut gpiob = dp.GPIOB.split();
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `convert::TryInto`
[INFO] [stdout]  --> examples/i2c_scanner2.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | use core::{convert::TryInto, ops::Range};
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BlockingI2c` and `Error`
[INFO] [stdout]   --> examples/i2c_scanner2.rs:16:26
[INFO] [stdout]    |
[INFO] [stdout] 16 | use stm32f1xx_hal::i2c::{BlockingI2c, DutyCycle, Error, Mode};
[INFO] [stdout]    |                          ^^^^^^^^^^^             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self as hal`
[INFO] [stdout]   --> examples/i2c_scanner2.rs:17:21
[INFO] [stdout]    |
[INFO] [stdout] 17 | use stm32f1xx_hal::{self as hal, pac, prelude::*};
[INFO] [stdout]    |                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `afio`
[INFO] [stdout]   --> examples/i2c_scanner.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let afio = dp.AFIO.constrain();
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_afio`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BlockingI2c`
[INFO] [stdout]   --> examples/ssd1306.rs:13:11
[INFO] [stdout]    |
[INFO] [stdout] 13 |     i2c::{BlockingI2c, DutyCycle, Mode},
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` 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] error: `#[panic_handler]` function required, but not found
[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 variable: `afio`
[INFO] [stdout]   --> examples/ssd1306.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let mut afio = dp.AFIO.constrain();
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_afio`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/ssd1306.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let mut afio = dp.AFIO.constrain();
[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]   --> examples/ssd1306.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let mut i2c = dp
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BlockingI2c`
[INFO] [stdout]   --> examples/i2c_scan.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 |     i2c::{BlockingI2c, DutyCycle, Mode},
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `#[panic_handler]` function required, but not found
[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] [stderr] error: could not compile `stm32f1-examples` (example "ssd1306") due to 1 previous error; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `afio`
[INFO] [stdout]   --> examples/i2c_scan.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let mut afio = dp.AFIO.constrain();
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_afio`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stm32f1-examples` (bin "stm32f1-examples") due to 2 previous errors
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/i2c_scan.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let mut afio = dp.AFIO.constrain();
[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] [stderr] error: could not compile `stm32f1-examples` (example "i2c_scan") due to 2 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "fd1edd56cc64f69da0a4cd9fb32e2aabf5924a9600cfbb66cba1f9bec6e5d212", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd1edd56cc64f69da0a4cd9fb32e2aabf5924a9600cfbb66cba1f9bec6e5d212", kill_on_drop: false }`
[INFO] [stdout] fd1edd56cc64f69da0a4cd9fb32e2aabf5924a9600cfbb66cba1f9bec6e5d212
