[INFO] fetching crate robot_behavior 0.5.3...
[INFO] testing robot_behavior-0.5.3 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate robot_behavior 0.5.3 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate robot_behavior 0.5.3
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate robot_behavior 0.5.3
[INFO] tweaked toml for crates.io crate robot_behavior 0.5.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate robot_behavior 0.5.3 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate robot_behavior 0.5.3 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93fe072c8696c0fb4e1f8a71ebc551a8faff586ff91abf1dec26771da2ad317d
[INFO] running `Command { std: "docker" "start" "-a" "93fe072c8696c0fb4e1f8a71ebc551a8faff586ff91abf1dec26771da2ad317d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93fe072c8696c0fb4e1f8a71ebc551a8faff586ff91abf1dec26771da2ad317d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93fe072c8696c0fb4e1f8a71ebc551a8faff586ff91abf1dec26771da2ad317d", kill_on_drop: false }`
[INFO] [stdout] 93fe072c8696c0fb4e1f8a71ebc551a8faff586ff91abf1dec26771da2ad317d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e97b6615b5db1c150324d9c59ccacc3d266ca37697877468ff4770cc718e0f9
[INFO] running `Command { std: "docker" "start" "-a" "8e97b6615b5db1c150324d9c59ccacc3d266ca37697877468ff4770cc718e0f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling simd-adler32 v0.3.8
[INFO] [stderr]    Compiling bytemuck v1.24.0
[INFO] [stderr]    Compiling cc v1.2.49
[INFO] [stderr]    Compiling yeslogic-fontconfig-sys v6.0.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling pathfinder_simd v0.5.5
[INFO] [stderr]    Compiling scratch v1.0.9
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling option-ext v0.2.0
[INFO] [stderr]    Compiling unicode-width v0.2.2
[INFO] [stderr]    Compiling indexmap v2.12.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling font-kit v0.14.3
[INFO] [stderr]    Compiling jpeg-decoder v0.3.2
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling fdeflate v0.3.7
[INFO] [stderr]    Compiling dlib v0.5.2
[INFO] [stderr]    Compiling dirs-sys v0.5.0
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling gif v0.12.0
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling codespan-reporting v0.13.1
[INFO] [stderr]    Compiling safe_arch v0.7.4
[INFO] [stderr]    Compiling dirs v6.0.0
[INFO] [stderr]    Compiling mio v1.1.1
[INFO] [stderr]    Compiling signal-hook-registry v1.4.7
[INFO] [stderr]    Compiling socket2 v0.6.1
[INFO] [stderr]    Compiling float-ord v0.3.2
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling flate2 v1.1.5
[INFO] [stderr]    Compiling pathfinder_geometry v0.5.1
[INFO] [stderr]    Compiling wide v0.7.33
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling ttf-parser v0.20.0
[INFO] [stderr]    Compiling pipe-trait v0.4.0
[INFO] [stderr]    Compiling png v0.17.16
[INFO] [stderr]    Compiling freetype-sys v0.20.1
[INFO] [stderr]    Compiling image v0.24.9
[INFO] [stderr]    Compiling plotters-bitmap v0.3.7
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling darling_core v0.21.3
[INFO] [stderr]    Compiling cxx-build v1.0.192
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling roplat_macros v0.1.0
[INFO] [stderr]    Compiling nalgebra-macros v0.3.0
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling darling_macro v0.21.3
[INFO] [stderr]    Compiling darling v0.21.3
[INFO] [stderr]    Compiling serde_with_macros v3.16.1
[INFO] [stderr]    Compiling robot_behavior v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_with v3.16.1
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling simba v0.9.1
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling roplat v0.1.0
[INFO] [stderr]    Compiling nalgebra v0.34.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(generic_const_exprs)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `robot_behavior` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "8e97b6615b5db1c150324d9c59ccacc3d266ca37697877468ff4770cc718e0f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e97b6615b5db1c150324d9c59ccacc3d266ca37697877468ff4770cc718e0f9", kill_on_drop: false }`
[INFO] [stdout] 8e97b6615b5db1c150324d9c59ccacc3d266ca37697877468ff4770cc718e0f9
