Dec 18 13:57:33.026 INFO checking mma7660fc-0.1.2 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 13:57:33.027 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/mma7660fc/0.1.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 13:57:33.517 INFO [stdout] d7e3a0b78433bfc735508812b49337e5e95eb63b81bd8cd1461afca5452a66a9
Dec 18 13:57:33.524 INFO running `"docker" "start" "-a" "d7e3a0b78433bfc735508812b49337e5e95eb63b81bd8cd1461afca5452a66a9"`
Dec 18 13:57:35.176 INFO [stderr]     Checking mma7660fc v0.1.2 (/opt/crater/workdir)
Dec 18 13:57:35.212 INFO [stderr]     Checking linux-embedded-hal v0.1.1
Dec 18 13:57:35.617 INFO [stderr] error: the feature `pattern_parentheses` has been stable since 1.31.0 and no longer requires an attribute to enable
Dec 18 13:57:35.618 INFO [stderr]   --> src/lib.rs:61:12
Dec 18 13:57:35.618 INFO [stderr]    |
Dec 18 13:57:35.618 INFO [stderr] 61 | #![feature(pattern_parentheses)]
Dec 18 13:57:35.618 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^
Dec 18 13:57:35.618 INFO [stderr]    |
Dec 18 13:57:35.618 INFO [stderr] note: lint level defined here
Dec 18 13:57:35.618 INFO [stderr]   --> src/lib.rs:60:9
Dec 18 13:57:35.618 INFO [stderr]    |
Dec 18 13:57:35.618 INFO [stderr] 60 | #![deny(warnings)]
Dec 18 13:57:35.618 INFO [stderr]    |         ^^^^^^^^
Dec 18 13:57:35.618 INFO [stderr]    = note: #[deny(stable_features)] implied by #[deny(warnings)]
Dec 18 13:57:35.618 INFO [stderr] 
Dec 18 13:57:35.618 INFO [stderr] error: aborting due to previous error
Dec 18 13:57:35.618 INFO [stderr] 
Dec 18 13:57:35.618 INFO [stderr] error: Could not compile `mma7660fc`.
Dec 18 13:57:35.618 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 18 13:57:35.928 INFO [stderr] error: build failed
Dec 18 13:57:36.512 INFO running `"docker" "inspect" "d7e3a0b78433bfc735508812b49337e5e95eb63b81bd8cd1461afca5452a66a9"`
Dec 18 13:57:36.836 INFO running `"docker" "rm" "-f" "d7e3a0b78433bfc735508812b49337e5e95eb63b81bd8cd1461afca5452a66a9"`
Dec 18 13:57:37.135 INFO [stdout] d7e3a0b78433bfc735508812b49337e5e95eb63b81bd8cd1461afca5452a66a9