Dec 02 19:24:03.568 INFO testing ruduino-0.1.2 against 1.30.1 for beta-1.31-5
Dec 02 19:24:03.569 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-4/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 02 19:24:04.007 INFO [stdout] 9bb7482b316c55eaedd905013970575bc99428fe196b4776d62c1d8f5eb8f9ac
Dec 02 19:24:04.015 INFO running `"docker" "start" "-a" "9bb7482b316c55eaedd905013970575bc99428fe196b4776d62c1d8f5eb8f9ac"`
Dec 02 19:24:04.773 INFO [stderr] usermod: no changes
Dec 02 19:24:04.809 INFO [stderr]    Compiling xml-rs v0.4.1
Dec 02 19:24:07.907 INFO [stderr]    Compiling xmltree v0.4.0
Dec 02 19:24:08.933 INFO [stderr]    Compiling avr-mcu v0.2.6
Dec 02 19:24:09.791 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 19:24:09.791 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/avr-mcu-0.2.6/src/lib.rs:38:1
Dec 02 19:24:09.792 INFO [stderr]    |
Dec 02 19:24:09.792 INFO [stderr] 38 | #![feature(conservative_impl_trait)]
Dec 02 19:24:09.792 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 19:24:09.792 INFO [stderr] 
Dec 02 19:24:09.793 INFO [stderr] error: aborting due to previous error
Dec 02 19:24:09.793 INFO [stderr] 
Dec 02 19:24:09.793 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 19:24:09.799 INFO [stderr] error: Could not compile `avr-mcu`.
Dec 02 19:24:09.799 INFO [stderr] 
Dec 02 19:24:09.799 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 19:24:09.801 INFO [stderr] su: No module specific data is present
Dec 02 19:24:11.095 INFO running `"docker" "inspect" "9bb7482b316c55eaedd905013970575bc99428fe196b4776d62c1d8f5eb8f9ac"`
Dec 02 19:24:11.419 INFO running `"docker" "rm" "-f" "9bb7482b316c55eaedd905013970575bc99428fe196b4776d62c1d8f5eb8f9ac"`
Dec 02 19:24:11.751 INFO [stdout] 9bb7482b316c55eaedd905013970575bc99428fe196b4776d62c1d8f5eb8f9ac