[INFO] fetching crate mma7660fc 0.1.2...
[INFO] extracting crate mma7660fc 0.1.2 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/mma7660fc/0.1.2
[INFO] extracting crate mma7660fc 0.1.2 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/mma7660fc/0.1.2
[INFO] validating manifest of mma7660fc-0.1.2 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mma7660fc-0.1.2 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mma7660fc-0.1.2
[INFO] finished frobbing mma7660fc-0.1.2
[INFO] frobbed toml for mma7660fc-0.1.2 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/mma7660fc/0.1.2/Cargo.toml
[INFO] started frobbing mma7660fc-0.1.2
[INFO] finished frobbing mma7660fc-0.1.2
[INFO] frobbed toml for mma7660fc-0.1.2 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/mma7660fc/0.1.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing mma7660fc-0.1.2 against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] fcb94e4292ea8d57d0c3280da149e955861c443b074c66bdfda1d9e2ce9d7f57
[INFO] running `"docker" "start" "-a" "fcb94e4292ea8d57d0c3280da149e955861c443b074c66bdfda1d9e2ce9d7f57"`
[INFO] [stderr]    Compiling nb v0.1.2
[INFO] [stderr]    Compiling embedded-hal v0.2.3
[INFO] [stderr]    Compiling embedded-hal v0.1.3
[INFO] [stderr]    Compiling mma7660fc v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] error: the feature `pattern_parentheses` has been stable since 1.31.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:61:12
[INFO] [stderr]    |
[INFO] [stderr] 61 | #![feature(pattern_parentheses)]
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:60:9
[INFO] [stderr]    |
[INFO] [stderr] 60 | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: #[deny(stable_features)] implied by #[deny(warnings)]
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `mma7660fc`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "fcb94e4292ea8d57d0c3280da149e955861c443b074c66bdfda1d9e2ce9d7f57"`
[INFO] running `"docker" "rm" "-f" "fcb94e4292ea8d57d0c3280da149e955861c443b074c66bdfda1d9e2ce9d7f57"`
[INFO] [stdout] fcb94e4292ea8d57d0c3280da149e955861c443b074c66bdfda1d9e2ce9d7f57