Nov 02 05:23:07.596 INFO testing serde-json-core-0.0.1 against beta-2018-10-30 for beta-1.31-1
Nov 02 05:23:07.596 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-7/beta-2018-10-30:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 05:23:08.079 INFO blam! f55a0cb3dea11a34b03e09b975bbb1d4a8ee974c0c8a4fadbf5e212106c87960
Nov 02 05:23:08.087 INFO running `"docker" "start" "-a" "f55a0cb3dea11a34b03e09b975bbb1d4a8ee974c0c8a4fadbf5e212106c87960"`
Nov 02 05:23:09.151 INFO kablam! usermod: no changes
Nov 02 05:23:09.239 INFO kablam!    Compiling untagged-option v0.1.1
Nov 02 05:23:09.324 INFO kablam! error[E0554]: #![feature] may not be used on the beta release channel
Nov 02 05:23:09.324 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/untagged-option-0.1.1/src/lib.rs:5:1
Nov 02 05:23:09.324 INFO kablam!   |
Nov 02 05:23:09.324 INFO kablam! 5 | #![feature(untagged_unions, const_fn)]
Nov 02 05:23:09.324 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 05:23:09.324 INFO kablam! 
Nov 02 05:23:09.324 INFO kablam! error: aborting due to previous error
Nov 02 05:23:09.324 INFO kablam! 
Nov 02 05:23:09.324 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Nov 02 05:23:09.328 INFO kablam! error: Could not compile `untagged-option`.
Nov 02 05:23:09.328 INFO kablam! 
Nov 02 05:23:09.328 INFO kablam! To learn more, run the command again with --verbose.
Nov 02 05:23:09.329 INFO kablam! su: No module specific data is present
Nov 02 05:23:09.935 INFO running `"docker" "rm" "-f" "f55a0cb3dea11a34b03e09b975bbb1d4a8ee974c0c8a4fadbf5e212106c87960"`
Nov 02 05:23:10.131 INFO blam! f55a0cb3dea11a34b03e09b975bbb1d4a8ee974c0c8a4fadbf5e212106c87960
