Dec 03 18:50:14.422 INFO testing avr-mcu-0.2.6 against 1.30.1 for beta-1.31-5
Dec 03 18:50:14.422 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 18:50:15.090 INFO [stdout] b317c7737d2fc1db5c0694ffb6bc8e41356060205e2fb57740db6e97c74e443f
Dec 03 18:50:15.092 INFO running `"docker" "start" "-a" "b317c7737d2fc1db5c0694ffb6bc8e41356060205e2fb57740db6e97c74e443f"`
Dec 03 18:50:16.243 INFO [stderr] usermod: no changes
Dec 03 18:50:16.331 INFO [stderr]    Compiling avr-mcu v0.2.6 (/source)
Dec 03 18:50:17.471 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 18:50:17.471 INFO [stderr]   --> src/lib.rs:38:1
Dec 03 18:50:17.471 INFO [stderr]    |
Dec 03 18:50:17.471 INFO [stderr] 38 | #![feature(conservative_impl_trait)]
Dec 03 18:50:17.471 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 18:50:17.471 INFO [stderr] 
Dec 03 18:50:17.475 INFO [stderr] error: aborting due to previous error
Dec 03 18:50:17.475 INFO [stderr] 
Dec 03 18:50:17.483 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 18:50:17.483 INFO [stderr] error: Could not compile `avr-mcu`.
Dec 03 18:50:17.483 INFO [stderr] 
Dec 03 18:50:17.483 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 18:50:17.483 INFO [stderr] su: No module specific data is present
Dec 03 18:50:18.489 INFO running `"docker" "inspect" "b317c7737d2fc1db5c0694ffb6bc8e41356060205e2fb57740db6e97c74e443f"`
Dec 03 18:50:18.882 INFO running `"docker" "rm" "-f" "b317c7737d2fc1db5c0694ffb6bc8e41356060205e2fb57740db6e97c74e443f"`
Dec 03 18:50:19.271 INFO [stdout] b317c7737d2fc1db5c0694ffb6bc8e41356060205e2fb57740db6e97c74e443f
