[INFO] fetching crate hexga_engine_render 0.0.10-beta.16...
[INFO] checking hexga_engine_render-0.0.10-beta.16 against 1.95.0 for pr-155915
[INFO] extracting crate hexga_engine_render 0.0.10-beta.16 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate hexga_engine_render 0.0.10-beta.16
[INFO] finished tweaking crates.io crate hexga_engine_render 0.0.10-beta.16
[INFO] tweaked toml for crates.io crate hexga_engine_render 0.0.10-beta.16 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate hexga_engine_render 0.0.10-beta.16 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate hexga_engine_render 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hexga_core v0.0.10-beta.16
[INFO] [stderr]   Downloaded hexga_io v0.0.10-beta.16
[INFO] [stderr]   Downloaded hexga_array v0.0.10-beta.16
[INFO] [stderr]   Downloaded hexga_io_derive v0.0.10-beta.16
[INFO] [stderr]   Downloaded hexga_number v0.0.10-beta.16
[INFO] [stderr]   Downloaded hexga_map_on v0.0.10-beta.16
[INFO] [stderr]   Downloaded default_is_triple_underscore v0.2.0
[INFO] [stderr]   Downloaded hexga_typedef v0.0.10-beta.16
[INFO] [stderr]   Downloaded hexga_math v0.0.10-beta.16
[INFO] [stderr]   Downloaded hexga_graphics v0.0.10-beta.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b257be70886fbb421c0b2b8807d6801188cc27aaba71f13671a943570d6844da
[INFO] running `Command { std: "docker" "start" "-a" "b257be70886fbb421c0b2b8807d6801188cc27aaba71f13671a943570d6844da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b257be70886fbb421c0b2b8807d6801188cc27aaba71f13671a943570d6844da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b257be70886fbb421c0b2b8807d6801188cc27aaba71f13671a943570d6844da", kill_on_drop: false }`
[INFO] [stdout] b257be70886fbb421c0b2b8807d6801188cc27aaba71f13671a943570d6844da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fa6e95af5c76a5b41b307b1e6d029cc9955a565cc7f56917f162cb2da4386bf
[INFO] running `Command { std: "docker" "start" "-a" "4fa6e95af5c76a5b41b307b1e6d029cc9955a565cc7f56917f162cb2da4386bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]     Checking hexga_map_on v0.0.10-beta.16
[INFO] [stderr]     Checking default_is_triple_underscore v0.2.0
[INFO] [stderr]     Checking hexga_typedef v0.0.10-beta.16
[INFO] [stderr]     Checking bytemuck v1.23.0
[INFO] [stderr]     Checking miniz_oxide v0.8.8
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking zune-jpeg v0.4.14
[INFO] [stderr]     Checking gif v0.13.1
[INFO] [stderr]     Checking hexga_number v0.0.10-beta.16
[INFO] [stderr]     Checking hexga_array v0.0.10-beta.16
[INFO] [stderr]     Checking flate2 v1.1.1
[INFO] [stderr]     Checking png v0.17.16
[INFO] [stderr]     Checking image v0.25.6
[INFO] [stderr]     Checking hexga_core v0.0.10-beta.16
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable 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" "4fa6e95af5c76a5b41b307b1e6d029cc9955a565cc7f56917f162cb2da4386bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fa6e95af5c76a5b41b307b1e6d029cc9955a565cc7f56917f162cb2da4386bf", kill_on_drop: false }`
[INFO] [stdout] 4fa6e95af5c76a5b41b307b1e6d029cc9955a565cc7f56917f162cb2da4386bf
