Dec 03 13:38:51.558 INFO testing drone-cortex-m-macros-0.7.0 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 03 13:38:51.558 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-6/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 13:38:51.770 INFO [stdout] 9aa87b7e8deaaf1456ddfe78b66875241e58b31e08fa2bb27bd16a49efd3a913
Dec 03 13:38:51.772 INFO running `"docker" "start" "-a" "9aa87b7e8deaaf1456ddfe78b66875241e58b31e08fa2bb27bd16a49efd3a913"`
Dec 03 13:38:52.188 INFO [stderr] usermod: no changes
Dec 03 13:38:52.306 INFO [stderr]    Compiling Inflector v0.11.3
Dec 03 13:38:52.307 INFO [stderr]    Compiling drone-macros-core v0.7.0
Dec 03 13:38:55.907 INFO [stderr]    Compiling drone-cortex-m-macros v0.7.0 (/source)
Dec 03 13:39:01.167 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 03 13:39:01.167 INFO [stderr]  --> src/lib.rs:5:1
Dec 03 13:39:01.167 INFO [stderr]   |
Dec 03 13:39:01.167 INFO [stderr] 5 | #![feature(proc_macro)]
Dec 03 13:39:01.167 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 13:39:01.167 INFO [stderr] 
Dec 03 13:39:01.167 INFO [stderr] error: aborting due to previous error
Dec 03 13:39:01.167 INFO [stderr] 
Dec 03 13:39:01.167 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 13:39:01.187 INFO [stderr] error: Could not compile `drone-cortex-m-macros`.
Dec 03 13:39:01.187 INFO [stderr] 
Dec 03 13:39:01.187 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 13:39:01.187 INFO [stderr] su: No module specific data is present
Dec 03 13:39:01.807 INFO running `"docker" "inspect" "9aa87b7e8deaaf1456ddfe78b66875241e58b31e08fa2bb27bd16a49efd3a913"`
Dec 03 13:39:02.017 INFO running `"docker" "rm" "-f" "9aa87b7e8deaaf1456ddfe78b66875241e58b31e08fa2bb27bd16a49efd3a913"`
Dec 03 13:39:02.180 INFO [stdout] 9aa87b7e8deaaf1456ddfe78b66875241e58b31e08fa2bb27bd16a49efd3a913