Dec 19 04:37:16.644 INFO checking zhangaz1/TheRustProgrammingLanguageBookExamples against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 04:37:16.644 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/zhangaz1/TheRustProgrammingLanguageBookExamples:/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 04:37:17.078 INFO [stdout] 9d7cbc557a288c2966ddeb6ed9977960e8b6653b87568477115dd715f7c4ec42
Dec 19 04:37:17.080 INFO running `"docker" "start" "-a" "9d7cbc557a288c2966ddeb6ed9977960e8b6653b87568477115dd715f7c4ec42"`
Dec 19 04:37:19.464 INFO [stderr]     Checking TheRustProgrammingLanguageBookExamples v0.1.0 (/opt/crater/workdir)
Dec 19 04:37:19.676 INFO [stderr] warning: unused variable: `y`
Dec 19 04:37:19.676 INFO [stderr]  --> src/main.rs:5:13
Dec 19 04:37:19.676 INFO [stderr]   |
Dec 19 04:37:19.676 INFO [stderr] 5 |         let y = &x[0];
Dec 19 04:37:19.676 INFO [stderr]   |             ^ help: consider using `_y` instead
Dec 19 04:37:19.676 INFO [stderr]   |
Dec 19 04:37:19.676 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 19 04:37:19.676 INFO [stderr] 
Dec 19 04:37:19.676 INFO [stderr] warning: crate `TheRustProgrammingLanguageBookExamples` should have a snake case name such as `the_rust_programming_language_book_examples`
Dec 19 04:37:19.676 INFO [stderr]   |
Dec 19 04:37:19.676 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 19 04:37:19.676 INFO [stderr] 
Dec 19 04:37:19.748 INFO [stderr] warning: unused variable: `y`
Dec 19 04:37:19.748 INFO [stderr]  --> src/main.rs:5:13
Dec 19 04:37:19.748 INFO [stderr]   |
Dec 19 04:37:19.748 INFO [stderr] 5 |         let y = &x[0];
Dec 19 04:37:19.748 INFO [stderr]   |             ^ help: consider using `_y` instead
Dec 19 04:37:19.748 INFO [stderr]   |
Dec 19 04:37:19.748 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 19 04:37:19.748 INFO [stderr] 
Dec 19 04:37:19.748 INFO [stderr] warning: crate `TheRustProgrammingLanguageBookExamples` should have a snake case name such as `the_rust_programming_language_book_examples`
Dec 19 04:37:19.748 INFO [stderr]   |
Dec 19 04:37:19.748 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 19 04:37:19.748 INFO [stderr] 
Dec 19 04:37:19.783 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
Dec 19 04:37:20.600 INFO running `"docker" "inspect" "9d7cbc557a288c2966ddeb6ed9977960e8b6653b87568477115dd715f7c4ec42"`
Dec 19 04:37:20.966 INFO running `"docker" "rm" "-f" "9d7cbc557a288c2966ddeb6ed9977960e8b6653b87568477115dd715f7c4ec42"`
Dec 19 04:37:21.289 INFO [stdout] 9d7cbc557a288c2966ddeb6ed9977960e8b6653b87568477115dd715f7c4ec42