Nov 01 20:42:32.781 INFO testing IcyDefiance/uefi-rs against beta-2018-10-30 for beta-1.31-1
Nov 01 20:42:32.781 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-5/beta-2018-10-30:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/beta-1.31-1/beta-2018-10-30:/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 +beta-2018-10-30 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"`
Nov 01 20:42:33.014 INFO blam! 63e0f4f131876a281c3e3b5feb586809574335c4195d9533897a9db3b0dea542
Nov 01 20:42:33.023 INFO running `"docker" "start" "-a" "63e0f4f131876a281c3e3b5feb586809574335c4195d9533897a9db3b0dea542"`
Nov 01 20:42:33.638 INFO kablam! usermod: no changes
Nov 01 20:42:33.673 INFO kablam!    Compiling uefi v0.1.0 (/source)
Nov 01 20:42:33.802 INFO kablam! error[E0554]: #![feature] may not be used on the beta release channel
Nov 01 20:42:33.802 INFO kablam!  --> src/lib.rs:1:1
Nov 01 20:42:33.802 INFO kablam!   |
Nov 01 20:42:33.802 INFO kablam! 1 | #![feature(try_trait)]
Nov 01 20:42:33.802 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^
Nov 01 20:42:33.802 INFO kablam! 
Nov 01 20:42:33.807 INFO kablam! error: aborting due to previous error
Nov 01 20:42:33.807 INFO kablam! 
Nov 01 20:42:33.807 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Nov 01 20:42:33.811 INFO kablam! error: Could not compile `uefi`.
Nov 01 20:42:33.811 INFO kablam! 
Nov 01 20:42:33.812 INFO kablam! To learn more, run the command again with --verbose.
Nov 01 20:42:33.812 INFO kablam! su: No module specific data is present
Nov 01 20:42:34.360 INFO running `"docker" "rm" "-f" "63e0f4f131876a281c3e3b5feb586809574335c4195d9533897a9db3b0dea542"`
Nov 01 20:42:34.527 INFO blam! 63e0f4f131876a281c3e3b5feb586809574335c4195d9533897a9db3b0dea542
