Nov 02 04:54:29.385 INFO testing shortcut-4.1.2 against beta-2018-10-30 for beta-1.31-1
Nov 02 04:54:29.385 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-2/beta-2018-10-30:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 02 04:54:29.741 INFO blam! 1fd5c21e7b715048210bfc726f4ee9c037e4b92f9c02ff8822e87653c4eb86ff
Nov 02 04:54:29.741 INFO running `"docker" "start" "-a" "1fd5c21e7b715048210bfc726f4ee9c037e4b92f9c02ff8822e87653c4eb86ff"`
Nov 02 04:54:30.963 INFO kablam! usermod: no changes
Nov 02 04:54:31.039 INFO kablam!    Compiling shortcut v4.1.2 (/source)
Nov 02 04:54:31.499 INFO kablam! error[E0554]: #![feature] may not be used on the beta release channel
Nov 02 04:54:31.499 INFO kablam!   --> src/lib.rs:29:1
Nov 02 04:54:31.499 INFO kablam!    |
Nov 02 04:54:31.499 INFO kablam! 29 | #![feature(btree_range, collections_bound)]
Nov 02 04:54:31.499 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 04:54:31.499 INFO kablam! 
Nov 02 04:54:31.499 INFO kablam! error: aborting due to previous error
Nov 02 04:54:31.499 INFO kablam! 
Nov 02 04:54:31.499 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Nov 02 04:54:31.511 INFO kablam! error: Could not compile `shortcut`.
Nov 02 04:54:31.511 INFO kablam! 
Nov 02 04:54:31.511 INFO kablam! To learn more, run the command again with --verbose.
Nov 02 04:54:31.511 INFO kablam! su: No module specific data is present
Nov 02 04:54:31.994 INFO running `"docker" "rm" "-f" "1fd5c21e7b715048210bfc726f4ee9c037e4b92f9c02ff8822e87653c4eb86ff"`
Nov 02 04:54:32.314 INFO blam! 1fd5c21e7b715048210bfc726f4ee9c037e4b92f9c02ff8822e87653c4eb86ff
