Dec 02 18:08:43.724 INFO testing ryb_game-0.2.24 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 18:08:43.724 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-4/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 18:08:44.009 INFO [stdout] bbfb7c95f14b39c04d94425b0b9e8e3f04987850f856e2604c60e4b9b8b8ba49
Dec 02 18:08:44.016 INFO running `"docker" "start" "-a" "bbfb7c95f14b39c04d94425b0b9e8e3f04987850f856e2604c60e4b9b8b8ba49"`
Dec 02 18:08:44.842 INFO [stderr] usermod: no changes
Dec 02 18:08:45.220 INFO [stderr]    Compiling gfx_core v0.6.1
Dec 02 18:08:45.221 INFO [stderr]    Compiling gl_generator v0.6.1
Dec 02 18:08:45.221 INFO [stderr]    Compiling pistoncore-window v0.26.2
Dec 02 18:08:45.237 INFO [stderr]    Compiling gfx_gl v0.3.1
Dec 02 18:08:45.243 INFO [stderr]    Compiling png v0.6.2
Dec 02 18:08:47.867 INFO [stderr]    Compiling pistoncore-event_loop v0.31.4
Dec 02 18:08:52.066 INFO [stderr]    Compiling piston v0.31.4
Dec 02 18:08:52.207 INFO [stderr]    Compiling image v0.12.4
Dec 02 18:08:52.539 INFO [stderr]    Compiling gl v0.6.5
Dec 02 18:09:14.480 INFO [stderr]    Compiling pistoncore-glutin_window v0.35.1
Dec 02 18:09:16.507 INFO [stderr]    Compiling piston2d-opengl_graphics v0.42.1
Dec 02 18:09:33.507 INFO [stderr]    Compiling gfx v0.14.1
Dec 02 18:09:33.507 INFO [stderr]    Compiling gfx_device_gl v0.13.1
Dec 02 18:09:40.472 INFO [stderr]    Compiling piston-gfx_texture v0.22.1
Dec 02 18:09:43.762 INFO [stderr]    Compiling piston2d-gfx_graphics v0.38.0
Dec 02 18:09:49.600 INFO [stderr]    Compiling piston_window v0.64.0
Dec 02 18:09:54.459 INFO [stderr]    Compiling ryb_game v0.2.24 (/source)
Dec 02 18:10:00.088 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 18:10:00.088 INFO [stderr]  --> src/main.rs:1:1
Dec 02 18:10:00.088 INFO [stderr]   |
Dec 02 18:10:00.088 INFO [stderr] 1 | #![feature(alloc_system)]
Dec 02 18:10:00.088 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 18:10:00.088 INFO [stderr] 
Dec 02 18:10:00.088 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 18:10:00.088 INFO [stderr]  --> src/main.rs:2:1
Dec 02 18:10:00.088 INFO [stderr]   |
Dec 02 18:10:00.088 INFO [stderr] 2 | #![feature(type_ascription)]
Dec 02 18:10:00.088 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 18:10:00.088 INFO [stderr] 
Dec 02 18:10:00.095 INFO [stderr] error: aborting due to 2 previous errors
Dec 02 18:10:00.095 INFO [stderr] 
Dec 02 18:10:00.095 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 18:10:00.123 INFO [stderr] error: Could not compile `ryb_game`.
Dec 02 18:10:00.123 INFO [stderr] 
Dec 02 18:10:00.123 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 18:10:00.123 INFO [stderr] su: No module specific data is present
Dec 02 18:10:00.440 INFO running `"docker" "inspect" "bbfb7c95f14b39c04d94425b0b9e8e3f04987850f856e2604c60e4b9b8b8ba49"`
Dec 02 18:10:00.613 INFO running `"docker" "rm" "-f" "bbfb7c95f14b39c04d94425b0b9e8e3f04987850f856e2604c60e4b9b8b8ba49"`
Dec 02 18:10:00.783 INFO [stdout] bbfb7c95f14b39c04d94425b0b9e8e3f04987850f856e2604c60e4b9b8b8ba49