Dec 15 04:36:50.231 INFO testing mma7660fc-0.1.2 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 15 04:36:50.231 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 15 04:36:50.418 INFO [stdout] e0eefebb82a1aa87cce25dbb8a387dd00e23333975a4b29e1bc8944d83ce7adc
Dec 15 04:36:50.421 INFO running `"docker" "start" "-a" "e0eefebb82a1aa87cce25dbb8a387dd00e23333975a4b29e1bc8944d83ce7adc"`
Dec 15 04:36:50.828 INFO [stderr] usermod: no changes
Dec 15 04:36:50.907 INFO [stderr]    Compiling embedded-hal v0.2.2
Dec 15 04:36:51.461 INFO [stderr]    Compiling embedded-hal v0.1.3
Dec 15 04:36:52.053 INFO [stderr]    Compiling mma7660fc v0.1.2 (/source)
Dec 15 04:36:52.741 INFO [stderr] error: the feature `pattern_parentheses` has been stable since 1.31.0 and no longer requires an attribute to enable
Dec 15 04:36:52.741 INFO [stderr]   --> src/lib.rs:61:12
Dec 15 04:36:52.741 INFO [stderr]    |
Dec 15 04:36:52.741 INFO [stderr] 61 | #![feature(pattern_parentheses)]
Dec 15 04:36:52.741 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^
Dec 15 04:36:52.741 INFO [stderr]    |
Dec 15 04:36:52.741 INFO [stderr] note: lint level defined here
Dec 15 04:36:52.741 INFO [stderr]   --> src/lib.rs:60:9
Dec 15 04:36:52.741 INFO [stderr]    |
Dec 15 04:36:52.741 INFO [stderr] 60 | #![deny(warnings)]
Dec 15 04:36:52.741 INFO [stderr]    |         ^^^^^^^^
Dec 15 04:36:52.741 INFO [stderr]    = note: #[deny(stable_features)] implied by #[deny(warnings)]
Dec 15 04:36:52.741 INFO [stderr] 
Dec 15 04:36:52.745 INFO [stderr] error: aborting due to previous error
Dec 15 04:36:52.745 INFO [stderr] 
Dec 15 04:36:52.766 INFO [stderr] error: Could not compile `mma7660fc`.
Dec 15 04:36:52.766 INFO [stderr] 
Dec 15 04:36:52.766 INFO [stderr] To learn more, run the command again with --verbose.
Dec 15 04:36:52.766 INFO [stderr] su: No module specific data is present
Dec 15 04:36:53.220 INFO running `"docker" "inspect" "e0eefebb82a1aa87cce25dbb8a387dd00e23333975a4b29e1bc8944d83ce7adc"`
Dec 15 04:36:53.620 INFO running `"docker" "rm" "-f" "e0eefebb82a1aa87cce25dbb8a387dd00e23333975a4b29e1bc8944d83ce7adc"`
Dec 15 04:36:53.917 INFO [stdout] e0eefebb82a1aa87cce25dbb8a387dd00e23333975a4b29e1bc8944d83ce7adc