[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 [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 [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