Dec 19 05:32:24.020 INFO checking whytekieran/RustProgrammingLanguage-Basics against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 05:32:24.020 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/whytekieran/RustProgrammingLanguage-Basics:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 05:32:24.532 INFO [stdout] 4df3abea90d96c40e6a876bb5ec1e9affab4e4759f26be4bd320f3b9b5619874
Dec 19 05:32:24.534 INFO running `"docker" "start" "-a" "4df3abea90d96c40e6a876bb5ec1e9affab4e4759f26be4bd320f3b9b5619874"`
Dec 19 05:32:26.525 INFO [stderr]     Checking 2_rust_basics v0.1.0 (/opt/crater/workdir)
Dec 19 05:32:27.260 INFO [stderr] warning: function is never used: `acceptdarray`
Dec 19 05:32:27.260 INFO [stderr]    --> src/main.rs:479:1
Dec 19 05:32:27.260 INFO [stderr]     |
Dec 19 05:32:27.260 INFO [stderr] 479 | fn acceptdarray(x: &mut [[i32; 4]]) -> &[[i32; 4]] {  
Dec 19 05:32:27.260 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:32:27.260 INFO [stderr]     |
Dec 19 05:32:27.260 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 19 05:32:27.260 INFO [stderr] 
Dec 19 05:32:27.356 INFO [stderr] warning: function is never used: `acceptdarray`
Dec 19 05:32:27.356 INFO [stderr]    --> src/main.rs:479:1
Dec 19 05:32:27.356 INFO [stderr]     |
Dec 19 05:32:27.356 INFO [stderr] 479 | fn acceptdarray(x: &mut [[i32; 4]]) -> &[[i32; 4]] {  
Dec 19 05:32:27.356 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:32:27.364 INFO [stderr]     |
Dec 19 05:32:27.365 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 19 05:32:27.365 INFO [stderr] 
Dec 19 05:32:27.404 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
Dec 19 05:32:29.047 INFO running `"docker" "inspect" "4df3abea90d96c40e6a876bb5ec1e9affab4e4759f26be4bd320f3b9b5619874"`
Dec 19 05:32:29.384 INFO running `"docker" "rm" "-f" "4df3abea90d96c40e6a876bb5ec1e9affab4e4759f26be4bd320f3b9b5619874"`
Dec 19 05:32:29.720 INFO [stdout] 4df3abea90d96c40e6a876bb5ec1e9affab4e4759f26be4bd320f3b9b5619874