Dec 03 17:53:08.392 INFO testing bonzai-0.2.1 against 1.30.1 for beta-1.31-5
Dec 03 17:53:08.392 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-5/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 17:53:09.124 INFO [stdout] cd1a8ee162cfbe614f44370a7eac68587999a4ba0ca5315e89f448606a8f876e
Dec 03 17:53:09.128 INFO running `"docker" "start" "-a" "cd1a8ee162cfbe614f44370a7eac68587999a4ba0ca5315e89f448606a8f876e"`
Dec 03 17:53:10.291 INFO [stderr] usermod: no changes
Dec 03 17:53:10.348 INFO [stderr]    Compiling bonzai v0.2.1 (/source)
Dec 03 17:53:11.162 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 17:53:11.162 INFO [stderr]  --> src/lib.rs:1:1
Dec 03 17:53:11.162 INFO [stderr]   |
Dec 03 17:53:11.162 INFO [stderr] 1 | #![feature(fixed_size_array)]
Dec 03 17:53:11.162 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 17:53:11.162 INFO [stderr] 
Dec 03 17:53:11.162 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 17:53:11.162 INFO [stderr]  --> src/lib.rs:2:1
Dec 03 17:53:11.162 INFO [stderr]   |
Dec 03 17:53:11.162 INFO [stderr] 2 | #![feature(optin_builtin_traits)]
Dec 03 17:53:11.162 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 17:53:11.162 INFO [stderr] 
Dec 03 17:53:11.162 INFO [stderr] error: aborting due to 2 previous errors
Dec 03 17:53:11.162 INFO [stderr] 
Dec 03 17:53:11.162 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 17:53:11.162 INFO [stderr] error: Could not compile `bonzai`.
Dec 03 17:53:11.162 INFO [stderr] 
Dec 03 17:53:11.162 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 17:53:11.162 INFO [stderr] su: No module specific data is present
Dec 03 17:53:11.720 INFO running `"docker" "inspect" "cd1a8ee162cfbe614f44370a7eac68587999a4ba0ca5315e89f448606a8f876e"`
Dec 03 17:53:12.064 INFO running `"docker" "rm" "-f" "cd1a8ee162cfbe614f44370a7eac68587999a4ba0ca5315e89f448606a8f876e"`
Dec 03 17:53:12.438 INFO [stdout] cd1a8ee162cfbe614f44370a7eac68587999a4ba0ca5315e89f448606a8f876e