Dec 02 23:30:22.370 INFO testing oxcc-stm32f767-hal-0.2.0 against 1.30.1 for beta-1.31-5
Dec 02 23:30:22.370 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 23:30:22.919 INFO [stdout] 6bf55bf526c34c3a20b0e8809d4d022aec8abcce168ff1b637f73e0210db9aa6
Dec 02 23:30:22.919 INFO running `"docker" "start" "-a" "6bf55bf526c34c3a20b0e8809d4d022aec8abcce168ff1b637f73e0210db9aa6"`
Dec 02 23:30:24.298 INFO [stderr] usermod: no changes
Dec 02 23:30:24.418 INFO [stderr]    Compiling oxcc-stm32f767 v0.1.0
Dec 02 23:30:33.087 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 23:30:33.088 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/oxcc-stm32f767-0.1.0/src/lib.rs:2:1
Dec 02 23:30:33.088 INFO [stderr]   |
Dec 02 23:30:33.088 INFO [stderr] 2 | #![feature(const_fn)]
Dec 02 23:30:33.088 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
Dec 02 23:30:33.088 INFO [stderr] 
Dec 02 23:30:33.088 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 23:30:33.088 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/oxcc-stm32f767-0.1.0/src/lib.rs:3:1
Dec 02 23:30:33.088 INFO [stderr]   |
Dec 02 23:30:33.089 INFO [stderr] 3 | #![feature(try_from)]
Dec 02 23:30:33.089 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
Dec 02 23:30:33.089 INFO [stderr] 
Dec 02 23:30:33.089 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 23:30:33.089 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/oxcc-stm32f767-0.1.0/src/lib.rs:5:29
Dec 02 23:30:33.089 INFO [stderr]   |
Dec 02 23:30:33.089 INFO [stderr] 5 | #![cfg_attr(feature = "rt", feature(global_asm))]
Dec 02 23:30:33.089 INFO [stderr]   |                             ^^^^^^^^^^^^^^^^^^^^
Dec 02 23:30:33.090 INFO [stderr] 
Dec 02 23:30:33.103 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 23:30:33.103 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/oxcc-stm32f767-0.1.0/src/lib.rs:6:29
Dec 02 23:30:33.103 INFO [stderr]   |
Dec 02 23:30:33.103 INFO [stderr] 6 | #![cfg_attr(feature = "rt", feature(use_extern_macros))]
Dec 02 23:30:33.103 INFO [stderr]   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 23:30:33.103 INFO [stderr] 
Dec 02 23:30:33.103 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 23:30:33.103 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/oxcc-stm32f767-0.1.0/src/lib.rs:7:29
Dec 02 23:30:33.103 INFO [stderr]   |
Dec 02 23:30:33.103 INFO [stderr] 7 | #![cfg_attr(feature = "rt", feature(used))]
Dec 02 23:30:33.104 INFO [stderr]   |                             ^^^^^^^^^^^^^^
Dec 02 23:30:33.104 INFO [stderr] 
Dec 02 23:30:33.878 INFO [stderr] error: aborting due to 5 previous errors
Dec 02 23:30:33.878 INFO [stderr] 
Dec 02 23:30:33.878 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 23:30:33.913 INFO [stderr] error: Could not compile `oxcc-stm32f767`.
Dec 02 23:30:33.913 INFO [stderr] 
Dec 02 23:30:33.914 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 23:30:33.915 INFO [stderr] su: No module specific data is present
Dec 02 23:30:35.004 INFO running `"docker" "inspect" "6bf55bf526c34c3a20b0e8809d4d022aec8abcce168ff1b637f73e0210db9aa6"`
Dec 02 23:30:35.331 INFO running `"docker" "rm" "-f" "6bf55bf526c34c3a20b0e8809d4d022aec8abcce168ff1b637f73e0210db9aa6"`
Dec 02 23:30:35.731 INFO [stdout] 6bf55bf526c34c3a20b0e8809d4d022aec8abcce168ff1b637f73e0210db9aa6