Dec 03 18:59:15.985 INFO testing atmega32u4-hal-0.1.3 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 03 18:59:15.985 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt 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 18:59:16.580 INFO [stdout] e6f0813d378b628317c33c5a8068243aa809ae098aac6763bd97c72047d526a5
Dec 03 18:59:16.582 INFO running `"docker" "start" "-a" "e6f0813d378b628317c33c5a8068243aa809ae098aac6763bd97c72047d526a5"`
Dec 03 18:59:17.831 INFO [stderr] usermod: no changes
Dec 03 18:59:17.895 INFO [stderr]    Compiling semver-parser v0.7.0
Dec 03 18:59:17.903 INFO [stderr]    Compiling vcell v0.1.0
Dec 03 18:59:17.903 INFO [stderr]    Compiling void v1.0.2
Dec 03 18:59:17.903 INFO [stderr]    Compiling nb v0.1.1
Dec 03 18:59:18.600 INFO [stderr]    Compiling embedded-hal v0.2.2
Dec 03 18:59:20.615 INFO [stderr]    Compiling semver v0.9.0
Dec 03 18:59:22.480 INFO [stderr]    Compiling rustc_version v0.2.3
Dec 03 18:59:24.248 INFO [stderr]    Compiling bare-metal v0.2.4
Dec 03 18:59:25.777 INFO [stderr]    Compiling atmega32u4 v0.1.3
Dec 03 18:59:26.243 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 03 18:59:26.243 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/atmega32u4-0.1.3/src/lib.rs:3:1
Dec 03 18:59:26.243 INFO [stderr]   |
Dec 03 18:59:26.243 INFO [stderr] 3 | #![feature(asm, const_fn, try_from)]
Dec 03 18:59:26.243 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 18:59:26.243 INFO [stderr] 
Dec 03 18:59:26.283 INFO [stderr] error: aborting due to previous error
Dec 03 18:59:26.283 INFO [stderr] 
Dec 03 18:59:26.283 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 18:59:26.289 INFO [stderr] error: Could not compile `atmega32u4`.
Dec 03 18:59:26.289 INFO [stderr] 
Dec 03 18:59:26.289 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 18:59:26.289 INFO [stderr] su: No module specific data is present
Dec 03 18:59:27.319 INFO running `"docker" "inspect" "e6f0813d378b628317c33c5a8068243aa809ae098aac6763bd97c72047d526a5"`
Dec 03 18:59:27.572 INFO running `"docker" "rm" "-f" "e6f0813d378b628317c33c5a8068243aa809ae098aac6763bd97c72047d526a5"`
Dec 03 18:59:27.847 INFO [stdout] e6f0813d378b628317c33c5a8068243aa809ae098aac6763bd97c72047d526a5