Dec 19 09:06:40.734 INFO checking sejr/core-interpreter against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 09:06:40.734 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 09:06:41.356 INFO [stdout] 931fcb5afd0cdf6c741f870bbe00d78be989c80df841a892f412666e177d5062
Dec 19 09:06:41.359 INFO running `"docker" "start" "-a" "931fcb5afd0cdf6c741f870bbe00d78be989c80df841a892f412666e177d5062"`
Dec 19 09:06:43.241 INFO [stderr]     Checking core v0.4.0 (/opt/crater/workdir)
Dec 19 09:06:43.864 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 19 09:06:43.864 INFO [stderr]    --> src/tokenizer.rs:309:9
Dec 19 09:06:43.864 INFO [stderr]     |
Dec 19 09:06:43.864 INFO [stderr] 309 |         i + 1;
Dec 19 09:06:43.864 INFO [stderr]     |         ^^^^^
Dec 19 09:06:43.864 INFO [stderr]     |
Dec 19 09:06:43.864 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 09:06:43.864 INFO [stderr] 
Dec 19 09:06:43.972 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 19 09:06:43.972 INFO [stderr]    --> src/tokenizer.rs:309:9
Dec 19 09:06:43.972 INFO [stderr]     |
Dec 19 09:06:43.972 INFO [stderr] 309 |         i + 1;
Dec 19 09:06:43.972 INFO [stderr]     |         ^^^^^
Dec 19 09:06:43.972 INFO [stderr]     |
Dec 19 09:06:43.976 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 09:06:43.976 INFO [stderr] 
Dec 19 09:06:44.027 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
Dec 19 09:06:45.008 INFO running `"docker" "inspect" "931fcb5afd0cdf6c741f870bbe00d78be989c80df841a892f412666e177d5062"`
Dec 19 09:06:45.412 INFO running `"docker" "rm" "-f" "931fcb5afd0cdf6c741f870bbe00d78be989c80df841a892f412666e177d5062"`
Dec 19 09:06:45.760 INFO [stdout] 931fcb5afd0cdf6c741f870bbe00d78be989c80df841a892f412666e177d5062