Nov 01 21:50:36.548 INFO testing DavidMikeSimon/lotsa_rust against beta-2018-10-30 for beta-1.31-1
Nov 01 21:50:36.548 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 21:50:37.090 INFO blam! e178c5b79d40820db4461d0a047702745d2b66bac877772efcdff75a40537aba
Nov 01 21:50:37.092 INFO running `"docker" "start" "-a" "e178c5b79d40820db4461d0a047702745d2b66bac877772efcdff75a40537aba"`
Nov 01 21:50:37.455 INFO kablam! usermod: no changes
Nov 01 21:50:37.478 INFO kablam!    Compiling lotsa_rust v0.1.0 (/source)
Nov 01 21:50:37.941 INFO kablam! error[E0554]: #![feature] may not be used on the beta release channel
Nov 01 21:50:37.941 INFO kablam!  --> src/lib.rs:1:1
Nov 01 21:50:37.941 INFO kablam!   |
Nov 01 21:50:37.941 INFO kablam! 1 | #![feature(test)]
Nov 01 21:50:37.941 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Nov 01 21:50:37.941 INFO kablam! 
Nov 01 21:50:37.941 INFO kablam! error: aborting due to previous error
Nov 01 21:50:37.941 INFO kablam! 
Nov 01 21:50:37.941 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Nov 01 21:50:37.943 INFO kablam! error: Could not compile `lotsa_rust`.
Nov 01 21:50:37.943 INFO kablam! 
Nov 01 21:50:37.943 INFO kablam! To learn more, run the command again with --verbose.
Nov 01 21:50:37.947 INFO kablam! su: No module specific data is present
Nov 01 21:50:38.294 INFO running `"docker" "rm" "-f" "e178c5b79d40820db4461d0a047702745d2b66bac877772efcdff75a40537aba"`
Nov 01 21:50:38.393 INFO blam! e178c5b79d40820db4461d0a047702745d2b66bac877772efcdff75a40537aba
