Oct 31 18:03:14.756 INFO testing ttakamura/rust-bench-sandbox against 1.30.0 for beta-1.31-1
Oct 31 18:03:14.757 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-0/1.30.0:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 18:03:15.288 INFO blam! cca1022617e0bc0ed6785b10bde8247173cfec146d0333217747ef4e62400752
Oct 31 18:03:15.292 INFO running `"docker" "start" "-a" "cca1022617e0bc0ed6785b10bde8247173cfec146d0333217747ef4e62400752"`
Oct 31 18:03:17.357 INFO kablam! usermod: no changes
Oct 31 18:03:17.427 INFO kablam!    Compiling rust-bench v0.1.0 (/source)
Oct 31 18:03:17.643 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Oct 31 18:03:17.643 INFO kablam!  --> src/lib.rs:1:1
Oct 31 18:03:17.643 INFO kablam!   |
Oct 31 18:03:17.643 INFO kablam! 1 | #![feature(test)]
Oct 31 18:03:17.643 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Oct 31 18:03:17.643 INFO kablam! 
Oct 31 18:03:17.645 INFO kablam! error: aborting due to previous error
Oct 31 18:03:17.645 INFO kablam! 
Oct 31 18:03:17.645 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Oct 31 18:03:17.648 INFO kablam! error: Could not compile `rust-bench`.
Oct 31 18:03:17.648 INFO kablam! 
Oct 31 18:03:17.648 INFO kablam! To learn more, run the command again with --verbose.
Oct 31 18:03:17.649 INFO kablam! su: No module specific data is present
Oct 31 18:03:18.846 INFO running `"docker" "rm" "-f" "cca1022617e0bc0ed6785b10bde8247173cfec146d0333217747ef4e62400752"`
Oct 31 18:03:19.267 INFO blam! cca1022617e0bc0ed6785b10bde8247173cfec146d0333217747ef4e62400752
