[INFO] fetching crate hexga_graphics 0.0.11-beta.3...
[INFO] testing hexga_graphics-0.0.11-beta.3 against 1.90.0 for beta-1.91-3
[INFO] extracting crate hexga_graphics 0.0.11-beta.3 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate hexga_graphics 0.0.11-beta.3
[INFO] finished tweaking crates.io crate hexga_graphics 0.0.11-beta.3
[INFO] tweaked toml for crates.io crate hexga_graphics 0.0.11-beta.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate hexga_graphics 0.0.11-beta.3 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate hexga_graphics 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hexga_array v0.0.11-beta.3
[INFO] [stderr]   Downloaded hexga_io v0.0.11-beta.3
[INFO] [stderr]   Downloaded hexga_io_derive v0.0.11-beta.3
[INFO] [stderr]   Downloaded hexga_core v0.0.11-beta.3
[INFO] [stderr]   Downloaded hexga_math v0.0.11-beta.3
[INFO] [stderr]   Downloaded zune-jpeg v0.4.20
[INFO] [stderr]   Downloaded hexga_number v0.0.11-beta.3
[INFO] [stderr]   Downloaded hexga_typedef v0.0.11-beta.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dda25a7e032457c1ed00967b22d3288e701fbf4ea72962dc469e0c5bc443c428
[INFO] running `Command { std: "docker" "start" "-a" "dda25a7e032457c1ed00967b22d3288e701fbf4ea72962dc469e0c5bc443c428", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dda25a7e032457c1ed00967b22d3288e701fbf4ea72962dc469e0c5bc443c428", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dda25a7e032457c1ed00967b22d3288e701fbf4ea72962dc469e0c5bc443c428", kill_on_drop: false }`
[INFO] [stdout] dda25a7e032457c1ed00967b22d3288e701fbf4ea72962dc469e0c5bc443c428
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e78ea2f35af2a9ee9f1ca8bb0eea39e8df622eca74e2ff28eaf6de5b12bbfca
[INFO] running `Command { std: "docker" "start" "-a" "0e78ea2f35af2a9ee9f1ca8bb0eea39e8df622eca74e2ff28eaf6de5b12bbfca", kill_on_drop: false }`
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling hexga_map_on v0.0.11-beta.3
[INFO] [stderr]    Compiling weezl v0.1.10
[INFO] [stderr]    Compiling zune-core v0.4.12
[INFO] [stderr]    Compiling hexga_core v0.0.11-beta.3
[INFO] [stderr]    Compiling hexga_io_derive v0.0.11-beta.3
[INFO] [stderr]    Compiling byteorder-lite v0.1.0
[INFO] [stderr]    Compiling hexga_typedef v0.0.11-beta.3
[INFO] [stderr]    Compiling bytemuck v1.23.2
[INFO] [stderr]    Compiling rayon v1.10.0
[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-0.0.11-beta.3/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(get_disjoint_mut_helpers)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling hexga_number v0.0.11-beta.3
[INFO] [stderr]    Compiling hexga_array v0.0.11-beta.3
[INFO] [stderr] error: could not compile `hexga_core` (lib) due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0e78ea2f35af2a9ee9f1ca8bb0eea39e8df622eca74e2ff28eaf6de5b12bbfca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e78ea2f35af2a9ee9f1ca8bb0eea39e8df622eca74e2ff28eaf6de5b12bbfca", kill_on_drop: false }`
[INFO] [stdout] 0e78ea2f35af2a9ee9f1ca8bb0eea39e8df622eca74e2ff28eaf6de5b12bbfca