[INFO] cloning repository https://github.com/jackr-m/NUCLEO-L476RG_LED_Blink_and_UartTX
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jackr-m/NUCLEO-L476RG_LED_Blink_and_UartTX" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackr-m%2FNUCLEO-L476RG_LED_Blink_and_UartTX", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackr-m%2FNUCLEO-L476RG_LED_Blink_and_UartTX'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fa1ee1ffe726093a9c57f58246e5090a5205fa1d
[INFO] checking jackr-m/NUCLEO-L476RG_LED_Blink_and_UartTX against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackr-m%2FNUCLEO-L476RG_LED_Blink_and_UartTX" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
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[INFO] removed /workspace/builds/worker-0-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/jackr-m/NUCLEO-L476RG_LED_Blink_and_UartTX
[INFO] finished tweaking git repo https://github.com/jackr-m/NUCLEO-L476RG_LED_Blink_and_UartTX
[INFO] tweaked toml for git repo https://github.com/jackr-m/NUCLEO-L476RG_LED_Blink_and_UartTX written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jackr-m/NUCLEO-L476RG_LED_Blink_and_UartTX on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jackr-m/NUCLEO-L476RG_LED_Blink_and_UartTX 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3715e9fbe387055113f0ab28f914450d1d39de47f424594b621efaacb7611886
[INFO] running `Command { std: "docker" "start" "-a" "3715e9fbe387055113f0ab28f914450d1d39de47f424594b621efaacb7611886", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3715e9fbe387055113f0ab28f914450d1d39de47f424594b621efaacb7611886", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3715e9fbe387055113f0ab28f914450d1d39de47f424594b621efaacb7611886", kill_on_drop: false }`
[INFO] [stdout] 3715e9fbe387055113f0ab28f914450d1d39de47f424594b621efaacb7611886
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc32c369036e05f38eb808daed2ef180f688bf36ef9a742c444db0f36067ba71
[INFO] running `Command { std: "docker" "start" "-a" "fc32c369036e05f38eb808daed2ef180f688bf36ef9a742c444db0f36067ba71", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling defmt v0.3.6
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling defmt-macros v0.3.7
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]    Compiling cortex-m-rt v0.7.3
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking critical-section v1.1.2
[INFO] [stderr]    Compiling embassy-time-driver v0.1.0
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]    Compiling embassy-time-queue-driver v0.1.0
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking volatile-register v0.2.2
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]    Compiling litrs v0.4.1
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking hash32 v0.3.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]     Checking embedded-hal v1.0.0
[INFO] [stderr]    Compiling embedded-hal-async v1.0.0
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling stm32-metapac v15.0.0
[INFO] [stderr]    Compiling embedded-io-async v0.6.1
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling document-features v0.2.8
[INFO] [stderr]    Compiling embassy-sync v0.5.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling embassy-hal-internal v0.1.0
[INFO] [stderr]     Checking embedded-storage v0.3.1
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling defmt-rtt v0.4.0
[INFO] [stderr]     Checking embedded-storage-async v0.4.1
[INFO] [stderr]     Checking embassy-futures v0.1.1
[INFO] [stderr]    Compiling panic-probe v0.3.1
[INFO] [stderr]    Compiling embassy-executor v0.5.0
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking embedded-hal-nb v1.0.0
[INFO] [stderr]     Checking stm32-fmc v0.3.0
[INFO] [stderr]     Checking sdio-host v0.5.0
[INFO] [stderr]    Compiling stm32l476rg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking bit_field v0.10.2
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling darling_core v0.20.8
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling embassy-stm32 v0.1.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling defmt-parser v0.3.4
[INFO] [stderr]    Compiling darling_macro v0.20.8
[INFO] [stderr]    Compiling darling v0.20.8
[INFO] [stderr]    Compiling embassy-executor-macros v0.4.1
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking embedded-io v0.6.1
[INFO] [stderr]     Checking embassy-time v0.3.0
[INFO] [stderr]     Checking embassy-net-driver v0.2.0
[INFO] [stderr]     Checking bxcan v0.7.0
[INFO] [stderr]     Checking embassy-usb-driver v0.1.0
[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 `stm32l476rg` (bin "stm32l476rg") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "fc32c369036e05f38eb808daed2ef180f688bf36ef9a742c444db0f36067ba71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc32c369036e05f38eb808daed2ef180f688bf36ef9a742c444db0f36067ba71", kill_on_drop: false }`
[INFO] [stdout] fc32c369036e05f38eb808daed2ef180f688bf36ef9a742c444db0f36067ba71