[INFO] cloning repository https://github.com/renzenicolai/bornhack-2026-rust-experiments [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/renzenicolai/bornhack-2026-rust-experiments" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frenzenicolai%2Fbornhack-2026-rust-experiments", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frenzenicolai%2Fbornhack-2026-rust-experiments'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c724b28ffd2e59b72ba1bdf20710def1e39008cd [INFO] checking renzenicolai/bornhack-2026-rust-experiments/c724b28ffd2e59b72ba1bdf20710def1e39008cd against master#4cf5f9580233c36f6bc8db76e282ba8a1c1ea491 for pr-154585 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frenzenicolai%2Fbornhack-2026-rust-experiments" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] removed /workspace/builds/worker-2-tc1/source/.cargo/config.toml [INFO] started tweaking git repo https://github.com/renzenicolai/bornhack-2026-rust-experiments [INFO] finished tweaking git repo https://github.com/renzenicolai/bornhack-2026-rust-experiments [INFO] tweaked toml for git repo https://github.com/renzenicolai/bornhack-2026-rust-experiments written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/renzenicolai/bornhack-2026-rust-experiments on toolchain 4cf5f9580233c36f6bc8db76e282ba8a1c1ea491 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4cf5f9580233c36f6bc8db76e282ba8a1c1ea491" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/renzenicolai/bornhack-2026-rust-experiments 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" "+4cf5f9580233c36f6bc8db76e282ba8a1c1ea491" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: build [INFO] [stderr] help: build is a valid .cargo/config.toml key [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded nrf52840-hal v0.19.0 [INFO] [stderr] Downloaded cortex-m-rt v0.7.5 [INFO] [stderr] Downloaded volatile-register v0.2.2 [INFO] [stderr] Downloaded embedded-dma v0.2.0 [INFO] [stderr] Downloaded cortex-m-rt-macros v0.7.5 [INFO] [stderr] Downloaded az v1.3.0 [INFO] [stderr] Downloaded nrf-usbd v0.3.0 [INFO] [stderr] Downloaded cortex-m v0.7.7 [INFO] [stderr] Downloaded nrf-hal-common v0.19.0 [INFO] [stderr] Downloaded fixed v1.30.0 [INFO] [stderr] Downloaded nrf52840-pac v0.12.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+4cf5f9580233c36f6bc8db76e282ba8a1c1ea491" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 089acb2aa3ab92213fed4d2463cea9b6b6c62b94c0f5d41de57477a90ab8f9e5 [INFO] running `Command { std: "docker" "start" "-a" "089acb2aa3ab92213fed4d2463cea9b6b6c62b94c0f5d41de57477a90ab8f9e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "089acb2aa3ab92213fed4d2463cea9b6b6c62b94c0f5d41de57477a90ab8f9e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "089acb2aa3ab92213fed4d2463cea9b6b6c62b94c0f5d41de57477a90ab8f9e5", kill_on_drop: false }` [INFO] [stdout] 089acb2aa3ab92213fed4d2463cea9b6b6c62b94c0f5d41de57477a90ab8f9e5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+4cf5f9580233c36f6bc8db76e282ba8a1c1ea491" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a25cdb449be0d936a847a2400ffb17a2f71edbb59b32f7907893a812ea5591da [INFO] running `Command { std: "docker" "start" "-a" "a25cdb449be0d936a847a2400ffb17a2f71edbb59b32f7907893a812ea5591da", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: build [INFO] [stderr] help: build is a valid .cargo/config.toml key [INFO] [stderr] Compiling cortex-m v0.7.7 [INFO] [stderr] Checking nb v1.1.0 [INFO] [stderr] Compiling portable-atomic v1.13.1 [INFO] [stderr] Compiling zerocopy v0.8.40 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking critical-section v1.2.0 [INFO] [stderr] Checking stable_deref_trait v1.2.1 [INFO] [stderr] Checking vcell v0.1.3 [INFO] [stderr] Compiling heapless v0.8.0 [INFO] [stderr] Compiling cortex-m-rt v0.7.5 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Compiling typenum v1.19.0 [INFO] [stderr] Checking bitfield v0.13.2 [INFO] [stderr] Compiling quote v1.0.44 [INFO] [stderr] Compiling fixed v1.30.0 [INFO] [stderr] Compiling bare-metal v0.2.5 [INFO] [stderr] Checking volatile-register v0.2.2 [INFO] [stderr] Checking nb v0.1.3 [INFO] [stderr] Compiling nrf52840-pac v0.12.2 [INFO] [stderr] Checking cfg-if v1.0.4 [INFO] [stderr] Checking embedded-hal v0.2.7 [INFO] [stderr] Checking bytemuck v1.25.0 [INFO] [stderr] Compiling nrf-hal-common v0.19.0 [INFO] [stderr] Checking az v1.3.0 [INFO] [stderr] Compiling syn v2.0.117 [INFO] [stderr] Checking embedded-dma v0.2.0 [INFO] [stderr] Compiling nrf52840-hal v0.19.0 [INFO] [stderr] Checking hash32 v0.3.1 [INFO] [stderr] Checking embedded-hal v1.0.0 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking rand_core v0.9.5 [INFO] [stderr] Checking embedded-storage v0.3.1 [INFO] [stderr] Checking embedded-io v0.7.1 [INFO] [stderr] Checking ufmt-write v0.1.0 [INFO] [stderr] Checking rtt-target v0.6.2 [INFO] [stderr] Checking usb-device v0.3.2 [INFO] [stderr] Checking nrf-usbd v0.3.0 [INFO] [stderr] Compiling zerocopy-derive v0.8.40 [INFO] [stderr] Compiling cortex-m-rt-macros v0.7.5 [INFO] [stderr] Checking half v2.7.1 [INFO] [stderr] Checking bornhack2026-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl` [INFO] [stdout] --> src/main.rs:12:1 [INFO] [stdout] | [INFO] [stdout] 12 | / fn panic(_: &core::panic::PanicInfo) -> ! { [INFO] [stdout] 13 | | loop { [INFO] [stdout] 14 | | cortex_m::asm::bkpt(); [INFO] [stdout] 15 | | } [INFO] [stdout] 16 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: the lang item is first defined in crate `std` (which `test` depends on) [INFO] [stdout] = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/4cf5f9580233c36f6bc8db76e282ba8a1c1ea491/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-eaa78b24106cd0ea.rmeta [INFO] [stdout] = note: second definition in the local crate (`bornhack2026_rust`) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0152`. [INFO] [stdout] [INFO] [stderr] error: could not compile `bornhack2026-rust` (bin "bornhack2026-rust" test) due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | let mut btn_joy_up = port1.p1_04.into_pullup_input(); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:32:9 [INFO] [stdout] | [INFO] [stdout] 32 | let mut btn_joy_down = port1.p1_03.into_pullup_input(); [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `bornhack2026-rust` (bin "bornhack2026-rust") due to 1 previous error; 8 warnings emitted [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | let mut btn_joy_left = port1.p1_05.into_pullup_input(); [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | let mut btn_joy_right = port1.p1_01.into_pullup_input(); [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `btn_joy_up` [INFO] [stdout] --> src/main.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | let mut btn_joy_up = port1.p1_04.into_pullup_input(); [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_btn_joy_up` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `btn_joy_down` [INFO] [stdout] --> src/main.rs:32:9 [INFO] [stdout] | [INFO] [stdout] 32 | let mut btn_joy_down = port1.p1_03.into_pullup_input(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_btn_joy_down` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `btn_joy_left` [INFO] [stdout] --> src/main.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | let mut btn_joy_left = port1.p1_05.into_pullup_input(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_btn_joy_left` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `btn_joy_right` [INFO] [stdout] --> src/main.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | let mut btn_joy_right = port1.p1_01.into_pullup_input(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_btn_joy_right` [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "a25cdb449be0d936a847a2400ffb17a2f71edbb59b32f7907893a812ea5591da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a25cdb449be0d936a847a2400ffb17a2f71edbb59b32f7907893a812ea5591da", kill_on_drop: false }` [INFO] [stdout] a25cdb449be0d936a847a2400ffb17a2f71edbb59b32f7907893a812ea5591da