[INFO] fetching crate hexga_engine_base 0.0.10-beta.16...
[INFO] testing hexga_engine_base-0.0.10-beta.16 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate hexga_engine_base 0.0.10-beta.16 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate hexga_engine_base 0.0.10-beta.16
[INFO] finished tweaking crates.io crate hexga_engine_base 0.0.10-beta.16
[INFO] tweaked toml for crates.io crate hexga_engine_base 0.0.10-beta.16 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate hexga_engine_base 0.0.10-beta.16 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 hexga_engine_base 0.0.10-beta.16 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] 0c8a318df6d0283b14b9ac2d38321cfd21335303c0e0c9e87dbd62c2b5ef7b5d
[INFO] running `Command { std: "docker" "start" "-a" "0c8a318df6d0283b14b9ac2d38321cfd21335303c0e0c9e87dbd62c2b5ef7b5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c8a318df6d0283b14b9ac2d38321cfd21335303c0e0c9e87dbd62c2b5ef7b5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c8a318df6d0283b14b9ac2d38321cfd21335303c0e0c9e87dbd62c2b5ef7b5d", kill_on_drop: false }`
[INFO] [stdout] 0c8a318df6d0283b14b9ac2d38321cfd21335303c0e0c9e87dbd62c2b5ef7b5d
[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] e00e530a6859f47eb36b70c8975d5e76931c503870a221421424dd3c6ff4ce22
[INFO] running `Command { std: "docker" "start" "-a" "e00e530a6859f47eb36b70c8975d5e76931c503870a221421424dd3c6ff4ce22", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling hexga_map_on v0.0.10-beta.16
[INFO] [stderr]    Compiling default_is_triple_underscore v0.2.0
[INFO] [stderr]    Compiling hexga_typedef v0.0.10-beta.16
[INFO] [stderr]    Compiling miniz_oxide v0.8.8
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling zune-jpeg v0.4.14
[INFO] [stderr]    Compiling gif v0.13.1
[INFO] [stderr]    Compiling bytemuck v1.23.0
[INFO] [stderr]    Compiling hexga_number v0.0.10-beta.16
[INFO] [stderr]    Compiling hexga_array v0.0.10-beta.16
[INFO] [stderr]    Compiling hexga_core v0.0.10-beta.16
[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/hexga_core-0.0.10-beta.16/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(get_disjoint_mut_helpers)]
[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 `hexga_core` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e00e530a6859f47eb36b70c8975d5e76931c503870a221421424dd3c6ff4ce22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e00e530a6859f47eb36b70c8975d5e76931c503870a221421424dd3c6ff4ce22", kill_on_drop: false }`
[INFO] [stdout] e00e530a6859f47eb36b70c8975d5e76931c503870a221421424dd3c6ff4ce22