Dec 17 15:46:29.873 INFO checking sejr/core-interpreter against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 15:46:29.873 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/sejr/core-interpreter:/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 17 15:46:30.360 INFO [stdout] 5530568c00d60fb2af65ab87edc805bc5dbcb470a9cea57f427e0e8a0fffbc94
Dec 17 15:46:30.362 INFO running `"docker" "start" "-a" "5530568c00d60fb2af65ab87edc805bc5dbcb470a9cea57f427e0e8a0fffbc94"`
Dec 17 15:46:32.318 INFO [stderr]     Checking core v0.4.0 (/opt/crater/workdir)
Dec 17 15:46:32.980 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 17 15:46:32.980 INFO [stderr]    --> src/tokenizer.rs:309:9
Dec 17 15:46:32.980 INFO [stderr]     |
Dec 17 15:46:32.980 INFO [stderr] 309 |         i + 1;
Dec 17 15:46:32.980 INFO [stderr]     |         ^^^^^
Dec 17 15:46:32.980 INFO [stderr]     |
Dec 17 15:46:32.980 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 17 15:46:32.980 INFO [stderr] 
Dec 17 15:46:33.264 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 17 15:46:33.264 INFO [stderr]    --> src/tokenizer.rs:309:9
Dec 17 15:46:33.264 INFO [stderr]     |
Dec 17 15:46:33.264 INFO [stderr] 309 |         i + 1;
Dec 17 15:46:33.264 INFO [stderr]     |         ^^^^^
Dec 17 15:46:33.264 INFO [stderr]     |
Dec 17 15:46:33.264 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 17 15:46:33.264 INFO [stderr] 
Dec 17 15:46:33.297 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
Dec 17 15:46:33.990 INFO running `"docker" "inspect" "5530568c00d60fb2af65ab87edc805bc5dbcb470a9cea57f427e0e8a0fffbc94"`
Dec 17 15:46:34.210 INFO running `"docker" "rm" "-f" "5530568c00d60fb2af65ab87edc805bc5dbcb470a9cea57f427e0e8a0fffbc94"`
Dec 17 15:46:34.455 INFO [stdout] 5530568c00d60fb2af65ab87edc805bc5dbcb470a9cea57f427e0e8a0fffbc94