[INFO] fetching crate narc_hal 0.1.3... [INFO] testing narc_hal-0.1.3 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate narc_hal 0.1.3 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate narc_hal 0.1.3 [INFO] finished tweaking crates.io crate narc_hal 0.1.3 [INFO] tweaked toml for crates.io crate narc_hal 0.1.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate narc_hal 0.1.3 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 37 packages to latest compatible versions [INFO] [stderr] Adding cast v0.2.7 (available: v0.3.0) [INFO] [stderr] Adding cortex-m v0.5.11 (available: v0.7.7) [INFO] [stderr] Adding cortex-m-rt v0.5.7 (available: v0.7.5) [INFO] [stderr] Adding embedded-hal v0.2.7 (available: v1.0.0) [INFO] [stderr] Adding nb v0.1.3 (available: v1.1.0) [INFO] [stderr] Adding panic-semihosting v0.4.0 (available: v0.6.0) [INFO] [stderr] Adding stm32l0 v0.2.3 (available: v0.16.0) [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] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [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] 23f10eb8bde4c28e9a9787fe96de913bb0d69d524b110dd88870406cf3f91ca5 [INFO] running `Command { std: "docker" "start" "-a" "23f10eb8bde4c28e9a9787fe96de913bb0d69d524b110dd88870406cf3f91ca5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "23f10eb8bde4c28e9a9787fe96de913bb0d69d524b110dd88870406cf3f91ca5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "23f10eb8bde4c28e9a9787fe96de913bb0d69d524b110dd88870406cf3f91ca5", kill_on_drop: false }` [INFO] [stdout] 23f10eb8bde4c28e9a9787fe96de913bb0d69d524b110dd88870406cf3f91ca5 [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] 552ee2750b462f8bf96b9301df13096278d91acabb28b165d52c3d3e6b343dc4 [INFO] running `Command { std: "docker" "start" "-a" "552ee2750b462f8bf96b9301df13096278d91acabb28b165d52c3d3e6b343dc4", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling nb v0.1.3 [INFO] [stderr] Compiling cortex-m-rt v0.6.15 [INFO] [stderr] Compiling cortex-m-semihosting v0.3.7 [INFO] [stderr] Compiling stm32l0 v0.2.3 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Compiling cortex-m-rt-macros v0.6.15 [INFO] [stderr] Compiling embedded-hal v0.2.7 [INFO] [stderr] Compiling cortex-m v0.7.7 [INFO] [stderr] Compiling cortex-m v0.6.7 [INFO] [stderr] Compiling cortex-m v0.5.11 [INFO] [stderr] Compiling cortex-m-rt v0.5.7 [INFO] [stderr] Compiling panic-semihosting v0.4.0 [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/stm32l0-0.2.3/src/lib.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 20 | #![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] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/panic-semihosting-0.4.0/src/lib.rs:51:1 [INFO] [stdout] | [INFO] [stdout] 51 | #![feature(panic_handler)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute [INFO] [stdout] | [INFO] [stdout] = help: the feature `panic_handler` has been stable since `1.30.0` and no longer requires an attribute to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `panic-semihosting` (lib) due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/stm32l0-0.2.3/src/lib.rs:20:1 [INFO] [stdout] | [INFO] [stdout] 20 | #![feature(const_fn)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/stm32l0-0.2.3/src/lib.rs:21:1 [INFO] [stdout] | [INFO] [stdout] 21 | #![feature(try_from)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/stm32l0-0.2.3/src/lib.rs:24:29 [INFO] [stdout] | [INFO] [stdout] 24 | #![cfg_attr(feature = "rt", feature(global_asm))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/stm32l0-0.2.3/src/lib.rs:25:29 [INFO] [stdout] | [INFO] [stdout] 25 | #![cfg_attr(feature = "rt", feature(use_extern_macros))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute [INFO] [stdout] | [INFO] [stdout] = help: the feature `use_extern_macros` has been stable since `1.30.0` and no longer requires an attribute to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/stm32l0-0.2.3/src/lib.rs:26:29 [INFO] [stdout] | [INFO] [stdout] 26 | #![cfg_attr(feature = "rt", feature(used))] [INFO] [stdout] | ^^^^^^^^^^^^^ help: remove the attribute [INFO] [stdout] | [INFO] [stdout] = help: the feature `used` has been stable since `1.30.0` and no longer requires an attribute to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0554, E0557. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `stm32l0` (lib) due to 6 previous errors [INFO] running `Command { std: "docker" "inspect" "552ee2750b462f8bf96b9301df13096278d91acabb28b165d52c3d3e6b343dc4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "552ee2750b462f8bf96b9301df13096278d91acabb28b165d52c3d3e6b343dc4", kill_on_drop: false }` [INFO] [stdout] 552ee2750b462f8bf96b9301df13096278d91acabb28b165d52c3d3e6b343dc4