Nov 02 06:18:58.996 INFO testing rustc-ap-serialize-273.0.0 against 1.30.0 for beta-1.31-1
Nov 02 06:18:58.996 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-3/1.30.0:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/beta-1.31-1/1.30.0:/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 +1.30.0 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 06:18:59.428 INFO blam! 7d4edb6bd6ce86c1222f48409a57d10e80d909e714c2ef2c4b557802aece057b
Nov 02 06:18:59.430 INFO running `"docker" "start" "-a" "7d4edb6bd6ce86c1222f48409a57d10e80d909e714c2ef2c4b557802aece057b"`
Nov 02 06:19:00.191 INFO kablam! usermod: no changes
Nov 02 06:19:00.218 INFO kablam!    Compiling smallvec v0.6.5
Nov 02 06:19:00.707 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Nov 02 06:19:00.707 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/smallvec-0.6.5/lib.rs:33:32
Nov 02 06:19:00.707 INFO kablam!    |
Nov 02 06:19:00.707 INFO kablam! 33 | #![cfg_attr(feature = "union", feature(untagged_unions))]
Nov 02 06:19:00.707 INFO kablam!    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 06:19:00.707 INFO kablam! 
Nov 02 06:19:00.710 INFO kablam! error: aborting due to previous error
Nov 02 06:19:00.711 INFO kablam! 
Nov 02 06:19:00.711 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Nov 02 06:19:00.713 INFO kablam! error: Could not compile `smallvec`.
Nov 02 06:19:00.713 INFO kablam! 
Nov 02 06:19:00.716 INFO kablam! To learn more, run the command again with --verbose.
Nov 02 06:19:00.716 INFO kablam! su: No module specific data is present
Nov 02 06:19:01.491 INFO running `"docker" "rm" "-f" "7d4edb6bd6ce86c1222f48409a57d10e80d909e714c2ef2c4b557802aece057b"`
Nov 02 06:19:01.761 INFO blam! 7d4edb6bd6ce86c1222f48409a57d10e80d909e714c2ef2c4b557802aece057b
