Dec 02 03:58:28.880 INFO testing Rahix/leonardo-examples against 1.30.1 for beta-1.31-5
Dec 02 03:58:28.880 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-6/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 03:58:29.435 INFO [stdout] 514b1d1a0c3081d2058a70c2744c0219f7536ad768fc563128652715d20d6fca
Dec 02 03:58:29.441 INFO running `"docker" "start" "-a" "514b1d1a0c3081d2058a70c2744c0219f7536ad768fc563128652715d20d6fca"`
Dec 02 03:58:31.411 INFO [stderr] usermod: no changes
Dec 02 03:58:31.479 INFO [stderr]    Compiling nb v0.1.1
Dec 02 03:58:31.479 INFO [stderr]    Compiling bare-metal v0.2.3
Dec 02 03:58:31.699 INFO [stderr]    Compiling atmega32u4 v0.1.3
Dec 02 03:58:32.063 INFO [stderr]    Compiling embedded-hal v0.2.1
Dec 02 03:58:32.531 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 03:58:32.531 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/atmega32u4-0.1.3/src/lib.rs:3:1
Dec 02 03:58:32.531 INFO [stderr]   |
Dec 02 03:58:32.531 INFO [stderr] 3 | #![feature(asm, const_fn, try_from)]
Dec 02 03:58:32.531 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 03:58:32.531 INFO [stderr] 
Dec 02 03:58:32.591 INFO [stderr] error: aborting due to previous error
Dec 02 03:58:32.591 INFO [stderr] 
Dec 02 03:58:32.591 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 03:58:32.602 INFO [stderr] error: Could not compile `atmega32u4`.
Dec 02 03:58:32.602 INFO [stderr] 
Dec 02 03:58:32.602 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 03:58:32.603 INFO [stderr] su: No module specific data is present
Dec 02 03:58:33.263 INFO running `"docker" "inspect" "514b1d1a0c3081d2058a70c2744c0219f7536ad768fc563128652715d20d6fca"`
Dec 02 03:58:33.571 INFO running `"docker" "rm" "-f" "514b1d1a0c3081d2058a70c2744c0219f7536ad768fc563128652715d20d6fca"`
Dec 02 03:58:33.945 INFO [stdout] 514b1d1a0c3081d2058a70c2744c0219f7536ad768fc563128652715d20d6fca