[INFO] fetching crate commune 0.0.2... [INFO] testing commune-0.0.2 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate commune 0.0.2 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate commune 0.0.2 [INFO] finished tweaking crates.io crate commune 0.0.2 [INFO] tweaked toml for crates.io crate commune 0.0.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate commune 0.0.2 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 54 packages to latest compatible versions [INFO] [stderr] Adding arrayvec v0.5.2 (available: v0.7.6) [INFO] [stderr] Adding cortex-m v0.6.7 (available: v0.7.7) [INFO] [stderr] Adding cortex-m-rt v0.6.15 (available: v0.7.5) [INFO] [stderr] Adding cortex-m-rtic v0.5.9 (available: v1.1.4) [INFO] [stderr] Adding stm32f1 v0.11.0 (available: v0.16.0) [INFO] [stderr] Adding stm32f1xx-hal v0.6.1 (available: v0.11.0) [INFO] [stderr] Adding stm32f4xx-hal v0.8.3 (available: v0.23.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1b255364e851fef5f288a86caa16708fa7faa4f0924891a7b973943405c144b7 [INFO] running `Command { std: "docker" "start" "-a" "1b255364e851fef5f288a86caa16708fa7faa4f0924891a7b973943405c144b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1b255364e851fef5f288a86caa16708fa7faa4f0924891a7b973943405c144b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1b255364e851fef5f288a86caa16708fa7faa4f0924891a7b973943405c144b7", kill_on_drop: false }` [INFO] [stdout] 1b255364e851fef5f288a86caa16708fa7faa4f0924891a7b973943405c144b7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5715383b03de66172c4f7aedaaf0e53a23b86390e3155ec391b1014730aed1e0 [INFO] running `Command { std: "docker" "start" "-a" "5715383b03de66172c4f7aedaaf0e53a23b86390e3155ec391b1014730aed1e0", kill_on_drop: false }` [INFO] [stderr] Compiling nb v1.1.0 [INFO] [stderr] Compiling stable_deref_trait v1.2.0 [INFO] [stderr] Compiling cortex-m v0.7.7 [INFO] [stderr] Compiling hashbrown v0.12.3 [INFO] [stderr] Compiling vcell v0.1.3 [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling heapless v0.6.1 [INFO] [stderr] Compiling bitfield v0.13.2 [INFO] [stderr] Compiling cortex-m v0.6.7 [INFO] [stderr] Compiling hash32 v0.1.1 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling generic-array v0.13.3 [INFO] [stderr] Compiling bare-metal v0.2.5 [INFO] [stderr] Compiling generic-array v0.12.4 [INFO] [stderr] Compiling volatile-register v0.2.2 [INFO] [stderr] Compiling nb v0.1.3 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling cortex-m-rtic v0.5.9 [INFO] [stderr] Compiling embedded-hal v0.2.7 [INFO] [stderr] Compiling cortex-m-rt v0.6.15 [INFO] [stderr] Compiling rtic-core v0.3.1 [INFO] [stderr] Compiling r0 v0.2.2 [INFO] [stderr] Compiling half v1.8.3 [INFO] [stderr] Compiling arrayvec v0.5.2 [INFO] [stderr] Compiling as-slice v0.1.5 [INFO] [stderr] Compiling aligned v0.3.5 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling rtic-syntax v0.4.0 [INFO] [stderr] Compiling cortex-m-rt-macros v0.6.15 [INFO] [stderr] Compiling cortex-m-rtic-macros v0.5.3 [INFO] [stderr] Compiling serde_cbor v0.11.2 [INFO] [stderr] Compiling commune v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(const_in_array_repeat_expressions)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: removed in 1.51.0; see for more information [INFO] [stdout] = note: removed due to causing promotable bugs [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(const_fn)] [INFO] [stdout] | ^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: removed in 1.54.0; see for more information [INFO] [stdout] = note: split into finer-grained feature gates [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0557`. [INFO] [stdout] [INFO] [stderr] error: could not compile `commune` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "5715383b03de66172c4f7aedaaf0e53a23b86390e3155ec391b1014730aed1e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5715383b03de66172c4f7aedaaf0e53a23b86390e3155ec391b1014730aed1e0", kill_on_drop: false }` [INFO] [stdout] 5715383b03de66172c4f7aedaaf0e53a23b86390e3155ec391b1014730aed1e0