[INFO] cloning repository https://github.com/Muchangi001/lab1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Muchangi001/lab1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMuchangi001%2Flab1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMuchangi001%2Flab1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 105c769e6cecbd188782b42807e64004e7f17f7b
[INFO] checking Muchangi001/lab1 against try#50d7e48beb74b48bd17c3749bfb73843c9ae0166 for pr-151102
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMuchangi001%2Flab1" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-1-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/Muchangi001/lab1
[INFO] finished tweaking git repo https://github.com/Muchangi001/lab1
[INFO] tweaked toml for git repo https://github.com/Muchangi001/lab1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Muchangi001/lab1 on toolchain 50d7e48beb74b48bd17c3749bfb73843c9ae0166
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50d7e48beb74b48bd17c3749bfb73843c9ae0166" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Muchangi001/lab1 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" "+50d7e48beb74b48bd17c3749bfb73843c9ae0166" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded panic-probe v0.3.2
[INFO] [stderr]   Downloaded fugit-timer v0.1.3
[INFO] [stderr]   Downloaded deranged v0.5.4
[INFO] [stderr]   Downloaded panic-halt v0.2.0
[INFO] [stderr]   Downloaded embassy-time v0.3.2
[INFO] [stderr]   Downloaded embassy-embedded-hal v0.1.0
[INFO] [stderr]   Downloaded defmt-rtt v0.4.2
[INFO] [stderr]   Downloaded embassy-usb-driver v0.1.1
[INFO] [stderr]   Downloaded embassy-time-driver v0.1.0
[INFO] [stderr]   Downloaded embassy-executor v0.5.1
[INFO] [stderr]   Downloaded embassy-executor-macros v0.4.2
[INFO] [stderr]   Downloaded heapless v0.9.1
[INFO] [stderr]   Downloaded bxcan v0.7.0
[INFO] [stderr]   Downloaded embassy-sync v0.5.0
[INFO] [stderr]   Downloaded embassy-hal-internal v0.1.0
[INFO] [stderr]   Downloaded sdio-host v0.5.0
[INFO] [stderr]   Downloaded embassy-time-queue-driver v0.1.0
[INFO] [stderr]   Downloaded stm32f4xx-hal v0.23.0
[INFO] [stderr]   Downloaded embassy-stm32 v0.1.0
[INFO] [stderr]   Downloaded hd44780-driver v0.4.0
[INFO] [stderr]   Downloaded stm32f4 v0.16.0
[INFO] [stderr]   Downloaded stm32-metapac v15.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+50d7e48beb74b48bd17c3749bfb73843c9ae0166" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a3857d901f8930f2f23729d2dde39a798cd6275529ac25f289217fa860d0ffb0
[INFO] running `Command { std: "docker" "start" "-a" "a3857d901f8930f2f23729d2dde39a798cd6275529ac25f289217fa860d0ffb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3857d901f8930f2f23729d2dde39a798cd6275529ac25f289217fa860d0ffb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3857d901f8930f2f23729d2dde39a798cd6275529ac25f289217fa860d0ffb0", kill_on_drop: false }`
[INFO] [stdout] a3857d901f8930f2f23729d2dde39a798cd6275529ac25f289217fa860d0ffb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+50d7e48beb74b48bd17c3749bfb73843c9ae0166" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dea1f89fc40ac64acfd47d47dbc074a2eed4b5d439d82d302e63b405e9a3e283
[INFO] running `Command { std: "docker" "start" "-a" "dea1f89fc40ac64acfd47d47dbc074a2eed4b5d439d82d302e63b405e9a3e283", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling thiserror v2.0.16
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling defmt-macros v1.0.1
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]    Compiling defmt v1.0.1
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling cortex-m-rt v0.7.5
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking critical-section v1.2.0
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]    Compiling embassy-time-driver v0.1.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]    Compiling embassy-time-queue-driver v0.1.0
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking volatile-register v0.2.2
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]    Compiling litrs v0.4.2
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking embedded-hal v1.0.0
[INFO] [stderr]    Compiling embedded-io-async v0.6.1
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling embedded-hal-async v1.0.0
[INFO] [stderr]    Compiling stm32-metapac v15.0.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking hash32 v0.3.1
[INFO] [stderr]     Checking cfg-if v1.0.3
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking embedded-storage v0.3.1
[INFO] [stderr]    Compiling embassy-sync v0.5.0
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]    Compiling embassy-hal-internal v0.1.0
[INFO] [stderr]     Checking gcd v2.3.0
[INFO] [stderr]    Compiling stm32f4 v0.16.0
[INFO] [stderr]     Checking deranged v0.5.4
[INFO] [stderr]     Checking fugit v0.3.7
[INFO] [stderr]     Checking embedded-storage-async v0.4.1
[INFO] [stderr]     Checking embedded-hal-nb v1.0.0
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking num-conv v0.1.0
[INFO] [stderr]    Compiling panic-probe v0.3.2
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]    Compiling defmt-rtt v0.4.2
[INFO] [stderr]     Checking embassy-futures v0.1.2
[INFO] [stderr]    Compiling stm32f4xx-hal v0.23.0
[INFO] [stderr]    Compiling embassy-executor v0.5.1
[INFO] [stderr]    Compiling heapless v0.9.1
[INFO] [stderr]     Checking time-core v0.1.6
[INFO] [stderr]     Checking fugit-timer v0.1.3
[INFO] [stderr]     Checking stm32-fmc v0.3.2
[INFO] [stderr]     Checking embedded-dma v0.2.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking sdio-host v0.5.0
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking bare-metal v1.0.0
[INFO] [stderr]     Checking bit_field v0.10.3
[INFO] [stderr]    Compiling lab1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking hd44780-driver v0.4.0
[INFO] [stderr]     Checking panic-halt v0.2.0
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling document-features v0.2.11
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]     Checking time v0.3.44
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling thiserror-impl v2.0.16
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.5
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling enumflags2_derive v0.7.12
[INFO] [stderr]     Checking enumflags2 v0.7.12
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling embassy-executor-macros v0.4.2
[INFO] [stderr]    Compiling embassy-stm32 v0.1.0
[INFO] [stderr]    Compiling defmt-parser v1.0.0
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking defmt v0.3.100
[INFO] [stderr]     Checking embedded-io v0.6.1
[INFO] [stderr]     Checking embassy-time v0.3.2
[INFO] [stderr]     Checking embassy-net-driver v0.2.0
[INFO] [stderr]     Checking bxcan v0.7.0
[INFO] [stderr]     Checking embassy-usb-driver v0.1.1
[INFO] [stderr]     Checking embassy-embedded-hal v0.1.0
[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 `lab1` (bin "lab1") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/main.rs:105:47
[INFO] [stdout]     |
[INFO] [stdout] 105 |         let len = core::cmp::min(bytes.len(), LAST_BT_MESSAGE.len());
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/main.rs:107:18
[INFO] [stdout]     |
[INFO] [stdout] 107 |         if len < LAST_BT_MESSAGE.len() {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dea1f89fc40ac64acfd47d47dbc074a2eed4b5d439d82d302e63b405e9a3e283", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dea1f89fc40ac64acfd47d47dbc074a2eed4b5d439d82d302e63b405e9a3e283", kill_on_drop: false }`
[INFO] [stdout] dea1f89fc40ac64acfd47d47dbc074a2eed4b5d439d82d302e63b405e9a3e283
