Oct 31 23:00:42.626 INFO testing rrichardson/topiclab against 1.30.0 for beta-1.31-1
Oct 31 23:00:42.628 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-2/1.30.0:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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"`
Oct 31 23:00:43.021 INFO blam! 02542606c0fde460d7e80fe24c6de7a97f7aba09a75ed1b2bc618b6d2b78447c
Oct 31 23:00:43.027 INFO running `"docker" "start" "-a" "02542606c0fde460d7e80fe24c6de7a97f7aba09a75ed1b2bc618b6d2b78447c"`
Oct 31 23:00:44.891 INFO kablam! usermod: no changes
Oct 31 23:00:44.995 INFO kablam!    Compiling rand v0.3.16
Oct 31 23:00:47.727 INFO kablam!    Compiling topiclab v0.1.0 (/source)
Oct 31 23:00:48.249 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Oct 31 23:00:48.249 INFO kablam!  --> src/main.rs:2:1
Oct 31 23:00:48.249 INFO kablam!   |
Oct 31 23:00:48.249 INFO kablam! 2 | #![feature(test)]
Oct 31 23:00:48.249 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Oct 31 23:00:48.249 INFO kablam! 
Oct 31 23:00:48.250 INFO kablam! error: aborting due to previous error
Oct 31 23:00:48.250 INFO kablam! 
Oct 31 23:00:48.250 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Oct 31 23:00:48.271 INFO kablam! error: Could not compile `topiclab`.
Oct 31 23:00:48.271 INFO kablam! 
Oct 31 23:00:48.271 INFO kablam! To learn more, run the command again with --verbose.
Oct 31 23:00:48.271 INFO kablam! su: No module specific data is present
Oct 31 23:00:49.316 INFO running `"docker" "rm" "-f" "02542606c0fde460d7e80fe24c6de7a97f7aba09a75ed1b2bc618b6d2b78447c"`
Oct 31 23:00:49.752 INFO blam! 02542606c0fde460d7e80fe24c6de7a97f7aba09a75ed1b2bc618b6d2b78447c
