[INFO] fetching crate rust-ukf 0.1.0... [INFO] testing rust-ukf-0.1.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate rust-ukf 0.1.0 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate rust-ukf 0.1.0 [INFO] finished tweaking crates.io crate rust-ukf 0.1.0 [INFO] tweaked toml for crates.io crate rust-ukf 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate rust-ukf 0.1.0 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] crate crates.io crate rust-ukf 0.1.0 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" "+beta-2025-09-21" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 65755fe3f2cca7bfdb929a0bd4656ce314b6130f7bc82e287bf3f5319716e3f9 [INFO] running `Command { std: "docker" "start" "-a" "65755fe3f2cca7bfdb929a0bd4656ce314b6130f7bc82e287bf3f5319716e3f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "65755fe3f2cca7bfdb929a0bd4656ce314b6130f7bc82e287bf3f5319716e3f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "65755fe3f2cca7bfdb929a0bd4656ce314b6130f7bc82e287bf3f5319716e3f9", kill_on_drop: false }` [INFO] [stdout] 65755fe3f2cca7bfdb929a0bd4656ce314b6130f7bc82e287bf3f5319716e3f9 [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=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] 4dc8697e11dac96ca65d0fe9243ab06a60524fb22318439c8760d288fd8c4b18 [INFO] running `Command { std: "docker" "start" "-a" "4dc8697e11dac96ca65d0fe9243ab06a60524fb22318439c8760d288fd8c4b18", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling proc-macro2 v1.0.43 [INFO] [stderr] Compiling unicode-ident v1.0.3 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling bytemuck v1.12.1 [INFO] [stderr] Compiling syn v1.0.99 [INFO] [stderr] Compiling num-rational v0.4.1 [INFO] [stderr] Compiling typenum v1.15.0 [INFO] [stderr] Compiling rawpointer v0.2.1 [INFO] [stderr] Compiling paste v1.0.9 [INFO] [stderr] Compiling matrixmultiply v0.3.2 [INFO] [stderr] Compiling safe_arch v0.6.0 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling wide v0.7.4 [INFO] [stderr] Compiling approx v0.5.1 [INFO] [stderr] Compiling num-complex v0.4.2 [INFO] [stderr] Compiling simba v0.7.2 [INFO] [stderr] Compiling nalgebra-macros v0.1.0 [INFO] [stderr] Compiling nalgebra v0.30.1 [INFO] [stderr] Compiling rust-ukf v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:14:1 [INFO] [stdout] | [INFO] [stdout] 14 | #![feature(generic_const_exprs)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | #![feature(generic_const_exprs)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #76560 for more information [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rust-ukf` (lib) due to 1 previous error; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "4dc8697e11dac96ca65d0fe9243ab06a60524fb22318439c8760d288fd8c4b18", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4dc8697e11dac96ca65d0fe9243ab06a60524fb22318439c8760d288fd8c4b18", kill_on_drop: false }` [INFO] [stdout] 4dc8697e11dac96ca65d0fe9243ab06a60524fb22318439c8760d288fd8c4b18