[INFO] fetching crate hexga_math 0.0.11-beta.3...
[INFO] testing hexga_math-0.0.11-beta.3 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate hexga_math 0.0.11-beta.3 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate hexga_math 0.0.11-beta.3
[INFO] finished tweaking crates.io crate hexga_math 0.0.11-beta.3
[INFO] tweaked toml for crates.io crate hexga_math 0.0.11-beta.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate hexga_math 0.0.11-beta.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] crate crates.io crate hexga_math 0.0.11-beta.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-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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] db2eca479008e5896fd9f6a8d467dc8e306135e440cc7e4a705a7aafbfbba663
[INFO] running `Command { std: "docker" "start" "-a" "db2eca479008e5896fd9f6a8d467dc8e306135e440cc7e4a705a7aafbfbba663", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db2eca479008e5896fd9f6a8d467dc8e306135e440cc7e4a705a7aafbfbba663", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db2eca479008e5896fd9f6a8d467dc8e306135e440cc7e4a705a7aafbfbba663", kill_on_drop: false }`
[INFO] [stdout] db2eca479008e5896fd9f6a8d467dc8e306135e440cc7e4a705a7aafbfbba663
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 79b94ee1a739f8231ea5ced37d3576026cb1c9901eabb146c59e55da4a5801a4
[INFO] running `Command { std: "docker" "start" "-a" "79b94ee1a739f8231ea5ced37d3576026cb1c9901eabb146c59e55da4a5801a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling hexga_map_on v0.0.11-beta.3
[INFO] [stderr]    Compiling hexga_core v0.0.11-beta.3
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling hexga_typedef v0.0.11-beta.3
[INFO] [stderr]    Compiling hexga_io_derive v0.0.11-beta.3
[INFO] [stderr]    Compiling hexga_number v0.0.11-beta.3
[INFO] [stderr]    Compiling hexga_array v0.0.11-beta.3
[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-0.0.11-beta.3/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![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" "79b94ee1a739f8231ea5ced37d3576026cb1c9901eabb146c59e55da4a5801a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79b94ee1a739f8231ea5ced37d3576026cb1c9901eabb146c59e55da4a5801a4", kill_on_drop: false }`
[INFO] [stdout] 79b94ee1a739f8231ea5ced37d3576026cb1c9901eabb146c59e55da4a5801a4