Dec 03 17:58:07.969 INFO testing block_allocator-0.2.2 against 1.30.1 for beta-1.31-5
Dec 03 17:58:07.969 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/beta-1.31-5/1.30.1:/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 +1.30.1 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"`
Dec 03 17:58:08.235 INFO [stdout] c2cdc77245035574f9afa96374b090f8eeeb6210ebe1267cc1a6ec476b3b04e0
Dec 03 17:58:08.243 INFO running `"docker" "start" "-a" "c2cdc77245035574f9afa96374b090f8eeeb6210ebe1267cc1a6ec476b3b04e0"`
Dec 03 17:58:09.150 INFO [stderr] usermod: no changes
Dec 03 17:58:09.239 INFO [stderr]    Compiling block_allocator v0.2.2 (/source)
Dec 03 17:58:10.307 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 17:58:10.307 INFO [stderr]   --> src/lib.rs:14:1
Dec 03 17:58:10.307 INFO [stderr]    |
Dec 03 17:58:10.307 INFO [stderr] 14 | #![feature(test)]
Dec 03 17:58:10.307 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Dec 03 17:58:10.307 INFO [stderr] 
Dec 03 17:58:10.307 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 17:58:10.307 INFO [stderr]   --> src/lib.rs:16:1
Dec 03 17:58:10.307 INFO [stderr]    |
Dec 03 17:58:10.307 INFO [stderr] 16 | #![feature(integer_atomics)]
Dec 03 17:58:10.307 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 17:58:10.307 INFO [stderr] 
Dec 03 17:58:10.307 INFO [stderr] error: aborting due to 2 previous errors
Dec 03 17:58:10.307 INFO [stderr] 
Dec 03 17:58:10.307 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 17:58:10.307 INFO [stderr] error: Could not compile `block_allocator`.
Dec 03 17:58:10.307 INFO [stderr] 
Dec 03 17:58:10.307 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 17:58:10.307 INFO [stderr] su: No module specific data is present
Dec 03 17:58:11.028 INFO running `"docker" "inspect" "c2cdc77245035574f9afa96374b090f8eeeb6210ebe1267cc1a6ec476b3b04e0"`
Dec 03 17:58:11.220 INFO running `"docker" "rm" "-f" "c2cdc77245035574f9afa96374b090f8eeeb6210ebe1267cc1a6ec476b3b04e0"`
Dec 03 17:58:11.476 INFO [stdout] c2cdc77245035574f9afa96374b090f8eeeb6210ebe1267cc1a6ec476b3b04e0