[INFO] cloning repository https://github.com/CramMK/microbit-snake-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CramMK/microbit-snake-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCramMK%2Fmicrobit-snake-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCramMK%2Fmicrobit-snake-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 73ca0472beeca91c08cb8c822a8f51f29109d4d9 [INFO] checking CramMK/microbit-snake-rs/73ca0472beeca91c08cb8c822a8f51f29109d4d9 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCramMK%2Fmicrobit-snake-rs" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/CramMK/microbit-snake-rs on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config [INFO] started tweaking git repo https://github.com/CramMK/microbit-snake-rs [INFO] finished tweaking git repo https://github.com/CramMK/microbit-snake-rs [INFO] tweaked toml for git repo https://github.com/CramMK/microbit-snake-rs written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/CramMK/microbit-snake-rs 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating git repository `https://github.com/nrf-rs/microbit/` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Updating git repository `https://github.com/nrf-rs/nrf-hal` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rtt-target v0.3.1 [INFO] [stderr] Downloaded panic-rtt-target v0.1.2 [INFO] [stderr] Downloaded rtt-target v0.2.2 [INFO] [stderr] Downloaded ufmt-write v0.1.0 [INFO] [stderr] Downloaded tiny-led-matrix v1.0.2 [INFO] [stderr] Downloaded embedded-hal v0.2.6 [INFO] [stderr] Downloaded atomic-polyfill v0.1.3 [INFO] [stderr] Downloaded az v1.1.2 [INFO] [stderr] Downloaded embedded-storage v0.1.0 [INFO] [stderr] Downloaded heapless v0.7.5 [INFO] [stderr] Downloaded nrf-usbd v0.1.0 [INFO] [stderr] Downloaded cortex-m v0.7.3 [INFO] [stderr] Downloaded usb-device v0.2.8 [INFO] [stderr] Downloaded fixed v1.10.0 [INFO] [stderr] Downloaded nrf52833-pac v0.9.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 523d6def8dfdc5ab777c8e60186c3103ecd54f444dd981ef2d9ce90100b28439 [INFO] running `Command { std: "docker" "start" "-a" "523d6def8dfdc5ab777c8e60186c3103ecd54f444dd981ef2d9ce90100b28439", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "523d6def8dfdc5ab777c8e60186c3103ecd54f444dd981ef2d9ce90100b28439", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "523d6def8dfdc5ab777c8e60186c3103ecd54f444dd981ef2d9ce90100b28439", kill_on_drop: false }` [INFO] [stdout] 523d6def8dfdc5ab777c8e60186c3103ecd54f444dd981ef2d9ce90100b28439 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f40b8e6e2ebf65e07e176623670e292c70f166cff5419780747e1930b215b896 [INFO] running `Command { std: "docker" "start" "-a" "f40b8e6e2ebf65e07e176623670e292c70f166cff5419780747e1930b215b896", kill_on_drop: false }` [INFO] [stderr] Compiling typenum v1.14.0 [INFO] [stderr] Compiling cortex-m v0.7.3 [INFO] [stderr] Checking nb v1.0.0 [INFO] [stderr] Checking vcell v0.1.3 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Compiling proc-macro2 v1.0.29 [INFO] [stderr] Compiling bare-metal v0.2.5 [INFO] [stderr] Compiling semver v1.0.4 [INFO] [stderr] Checking volatile-register v0.2.1 [INFO] [stderr] Checking nb v0.1.3 [INFO] [stderr] Checking bitfield v0.13.2 [INFO] [stderr] Checking embedded-hal v0.2.6 [INFO] [stderr] Compiling syn v1.0.76 [INFO] [stderr] Compiling cortex-m v0.6.7 [INFO] [stderr] Compiling cortex-m-rt v0.6.15 [INFO] [stderr] Compiling az v1.1.2 [INFO] [stderr] Compiling fixed v1.10.0 [INFO] [stderr] Checking r0 v0.2.2 [INFO] [stderr] Compiling nrf52833-pac v0.9.0 [INFO] [stderr] Checking usb-device v0.2.8 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking bytemuck v1.7.2 [INFO] [stderr] Checking half v1.7.1 [INFO] [stderr] Compiling nrf-hal-common v0.13.0 (https://github.com/nrf-rs/nrf-hal#d7aa29ef) [INFO] [stderr] Checking embedded-dma v0.1.2 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking nrf-usbd v0.1.0 [INFO] [stderr] Checking embedded-storage v0.1.0 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Compiling nrf52833-hal v0.13.0 (https://github.com/nrf-rs/nrf-hal#d7aa29ef) [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking ufmt-write v0.1.0 [INFO] [stderr] Compiling heapless v0.7.5 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking tiny-led-matrix v1.0.2 [INFO] [stderr] Checking rtt-target v0.3.1 [INFO] [stderr] Checking panic-halt v0.2.0 [INFO] [stderr] Checking hash32 v0.2.1 [INFO] [stderr] Checking panic-rtt-target v0.1.2 [INFO] [stderr] Checking generic-array v0.12.4 [INFO] [stderr] Checking generic-array v0.13.3 [INFO] [stderr] Checking as-slice v0.1.5 [INFO] [stderr] Checking aligned v0.3.5 [INFO] [stderr] Checking rtt-target v0.2.2 [INFO] [stderr] Compiling cortex-m-rt-macros v0.6.15 [INFO] [stderr] Checking microbit-common v0.10.1 (https://github.com/nrf-rs/microbit/#d29705d2) [INFO] [stderr] Checking microbit-v2 v0.10.1 (https://github.com/nrf-rs/microbit/#d29705d2) [INFO] [stderr] Checking microbit-fun v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `rprintln` [INFO] [stdout] --> src/main.rs:18:18 [INFO] [stdout] | [INFO] [stdout] 18 | use rtt_target::{rprintln, rtt_init_print}; [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] warning: unused import: `rprintln` [INFO] [stdout] --> src/main.rs:18:18 [INFO] [stdout] | [INFO] [stdout] 18 | use rtt_target::{rprintln, rtt_init_print}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0152]: duplicate lang item in crate `std` (which `test` depends on): `panic_impl` [INFO] [stdout] | [INFO] [stdout] = note: the lang item is first defined in crate `panic_rtt_target` (which `microbit_fun` depends on) [INFO] [stdout] = note: first definition in `panic_rtt_target` loaded from /opt/rustwide/target/debug/deps/libpanic_rtt_target-1c537e5edd11ecb8.rmeta [INFO] [stdout] = note: second definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/f609b7e0586f81fefb3523e3e17adf779ac416be/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-e0ee872a6f64065a.rlib [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0152`. [INFO] [stdout] [INFO] [stderr] error: could not compile `microbit-fun` (bin "microbit-fun" test) due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/serial_setup.rs:14:29 [INFO] [stdout] | [INFO] [stdout] 14 | .split(unsafe { &mut TX_BUF }, unsafe { &mut RX_BUF }) [INFO] [stdout] | ^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see issue #114447 [INFO] [stdout] = note: this will be a hard error in the 2024 edition [INFO] [stdout] = note: this mutable reference has lifetime `'static`, but if the static gets accessed (read or written) by any other means, or any other reference is created, then any further use of this mutable reference is Undefined Behavior [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] help: use `addr_of_mut!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 14 | .split(unsafe { addr_of_mut!(TX_BUF) }, unsafe { &mut RX_BUF }) [INFO] [stdout] | ~~~~~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/serial_setup.rs:14:53 [INFO] [stdout] | [INFO] [stdout] 14 | .split(unsafe { &mut TX_BUF }, unsafe { &mut RX_BUF }) [INFO] [stdout] | ^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see issue #114447 [INFO] [stdout] = note: this will be a hard error in the 2024 edition [INFO] [stdout] = note: this mutable reference has lifetime `'static`, but if the static gets accessed (read or written) by any other means, or any other reference is created, then any further use of this mutable reference is Undefined Behavior [INFO] [stdout] help: use `addr_of_mut!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 14 | .split(unsafe { &mut TX_BUF }, unsafe { addr_of_mut!(RX_BUF) }) [INFO] [stdout] | ~~~~~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `microbit-fun` (bin "microbit-fun") due to 2 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "f40b8e6e2ebf65e07e176623670e292c70f166cff5419780747e1930b215b896", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f40b8e6e2ebf65e07e176623670e292c70f166cff5419780747e1930b215b896", kill_on_drop: false }` [INFO] [stdout] f40b8e6e2ebf65e07e176623670e292c70f166cff5419780747e1930b215b896