Nov 02 06:18:56.092 INFO testing rustc-ap-serialize-273.0.0 against beta-2018-10-30 for beta-1.31-1
Nov 02 06:18:56.092 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 06:18:56.535 INFO blam! 86c9d4139a516b4b32e203958daedd0416a47b7cf617f59c12d897a9b5eaeb14
Nov 02 06:18:56.538 INFO running `"docker" "start" "-a" "86c9d4139a516b4b32e203958daedd0416a47b7cf617f59c12d897a9b5eaeb14"`
Nov 02 06:18:58.043 INFO kablam! usermod: no changes
Nov 02 06:18:58.119 INFO kablam!    Compiling smallvec v0.6.5
Nov 02 06:18:58.727 INFO kablam! error[E0554]: #![feature] may not be used on the beta release channel
Nov 02 06:18:58.728 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/smallvec-0.6.5/lib.rs:33:32
Nov 02 06:18:58.728 INFO kablam!    |
Nov 02 06:18:58.728 INFO kablam! 33 | #![cfg_attr(feature = "union", feature(untagged_unions))]
Nov 02 06:18:58.728 INFO kablam!    |                                ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 06:18:58.729 INFO kablam! 
Nov 02 06:18:58.729 INFO kablam! error: aborting due to previous error
Nov 02 06:18:58.729 INFO kablam! 
Nov 02 06:18:58.730 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Nov 02 06:18:58.730 INFO kablam! error: Could not compile `smallvec`.
Nov 02 06:18:58.730 INFO kablam! 
Nov 02 06:18:58.731 INFO kablam! To learn more, run the command again with --verbose.
Nov 02 06:18:58.731 INFO kablam! su: No module specific data is present
Nov 02 06:18:59.721 INFO running `"docker" "rm" "-f" "86c9d4139a516b4b32e203958daedd0416a47b7cf617f59c12d897a9b5eaeb14"`
Nov 02 06:18:59.923 INFO blam! 86c9d4139a516b4b32e203958daedd0416a47b7cf617f59c12d897a9b5eaeb14
