Nov 02 10:57:09.164 INFO testing nvptx-builtins-0.1.0 against beta-2018-10-30 for beta-1.31-1
Nov 02 10:57:09.164 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 10:57:09.366 INFO blam! d675da2c68bc89f055d78c8d0e42a8795f171740af5f1fda6936c6c17fb3f1ba
Nov 02 10:57:09.368 INFO running `"docker" "start" "-a" "d675da2c68bc89f055d78c8d0e42a8795f171740af5f1fda6936c6c17fb3f1ba"`
Nov 02 10:57:09.802 INFO kablam! usermod: no changes
Nov 02 10:57:09.832 INFO kablam!    Compiling nvptx-builtins v0.1.0 (/source)
Nov 02 10:57:09.888 INFO kablam! error[E0554]: #![feature] may not be used on the beta release channel
Nov 02 10:57:09.888 INFO kablam!   --> src/lib.rs:10:1
Nov 02 10:57:09.888 INFO kablam!    |
Nov 02 10:57:09.888 INFO kablam! 10 | #![feature(platform_intrinsics)]
Nov 02 10:57:09.888 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 10:57:09.888 INFO kablam! 
Nov 02 10:57:09.888 INFO kablam! error: aborting due to previous error
Nov 02 10:57:09.888 INFO kablam! 
Nov 02 10:57:09.888 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Nov 02 10:57:09.892 INFO kablam! error: Could not compile `nvptx-builtins`.
Nov 02 10:57:09.892 INFO kablam! 
Nov 02 10:57:09.892 INFO kablam! To learn more, run the command again with --verbose.
Nov 02 10:57:09.893 INFO kablam! su: No module specific data is present
Nov 02 10:57:10.140 INFO running `"docker" "rm" "-f" "d675da2c68bc89f055d78c8d0e42a8795f171740af5f1fda6936c6c17fb3f1ba"`
Nov 02 10:57:10.221 INFO blam! d675da2c68bc89f055d78c8d0e42a8795f171740af5f1fda6936c6c17fb3f1ba
