Nov 02 02:44:37.421 INFO testing thin_cstr-0.1.0 against beta-2018-10-30 for beta-1.31-1
Nov 02 02:44:37.421 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-0/beta-2018-10-30:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 02:44:37.751 INFO blam! 554f839c2d03643c51333c0be3c3b7e382d98d63f30880e9710b54395af07fde
Nov 02 02:44:37.753 INFO running `"docker" "start" "-a" "554f839c2d03643c51333c0be3c3b7e382d98d63f30880e9710b54395af07fde"`
Nov 02 02:44:38.723 INFO kablam! usermod: no changes
Nov 02 02:44:38.775 INFO kablam!    Compiling thin_cstr v0.1.0 (/source)
Nov 02 02:44:39.219 INFO kablam! error[E0554]: #![feature] may not be used on the beta release channel
Nov 02 02:44:39.219 INFO kablam!  --> src/lib.rs:1:1
Nov 02 02:44:39.219 INFO kablam!   |
Nov 02 02:44:39.219 INFO kablam! 1 | #![feature(extern_types)]
Nov 02 02:44:39.219 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 02:44:39.219 INFO kablam! 
Nov 02 02:44:39.219 INFO kablam! error: aborting due to previous error
Nov 02 02:44:39.219 INFO kablam! 
Nov 02 02:44:39.219 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Nov 02 02:44:39.221 INFO kablam! error: Could not compile `thin_cstr`.
Nov 02 02:44:39.221 INFO kablam! 
Nov 02 02:44:39.221 INFO kablam! To learn more, run the command again with --verbose.
Nov 02 02:44:39.222 INFO kablam! su: No module specific data is present
Nov 02 02:44:39.560 INFO running `"docker" "rm" "-f" "554f839c2d03643c51333c0be3c3b7e382d98d63f30880e9710b54395af07fde"`
Nov 02 02:44:39.655 INFO blam! 554f839c2d03643c51333c0be3c3b7e382d98d63f30880e9710b54395af07fde
