Dec 19 21:24:05.506 INFO checking VoxWave/Introduction_to_AI_2018 against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 21:24:05.506 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-2/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/VoxWave/Introduction_to_AI_2018:/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 21:24:06.038 INFO [stdout] 6a35f2a4915198753585fbea74c101c3ac3d36d91ab12739f1fe54b4f1208346
Dec 19 21:24:06.040 INFO running `"docker" "start" "-a" "6a35f2a4915198753585fbea74c101c3ac3d36d91ab12739f1fe54b4f1208346"`
Dec 19 21:24:08.099 INFO [stderr]     Checking ai_kurssi v0.1.0 (/opt/crater/workdir)
Dec 19 21:24:08.657 INFO [stderr] warning: unused import: `std::io`
Dec 19 21:24:08.657 INFO [stderr]  --> src/main.rs:9:5
Dec 19 21:24:08.657 INFO [stderr]   |
Dec 19 21:24:08.657 INFO [stderr] 9 | use std::io;
Dec 19 21:24:08.657 INFO [stderr]   |     ^^^^^^^
Dec 19 21:24:08.657 INFO [stderr]   |
Dec 19 21:24:08.657 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 21:24:08.657 INFO [stderr] 
Dec 19 21:24:08.657 INFO [stderr] warning: unused import: `std::io`
Dec 19 21:24:08.657 INFO [stderr]  --> src/main.rs:9:5
Dec 19 21:24:08.657 INFO [stderr]   |
Dec 19 21:24:08.657 INFO [stderr] 9 | use std::io;
Dec 19 21:24:08.657 INFO [stderr]   |     ^^^^^^^
Dec 19 21:24:08.657 INFO [stderr]   |
Dec 19 21:24:08.657 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 21:24:08.657 INFO [stderr] 
Dec 19 21:24:08.993 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
Dec 19 21:24:09.878 INFO running `"docker" "inspect" "6a35f2a4915198753585fbea74c101c3ac3d36d91ab12739f1fe54b4f1208346"`
Dec 19 21:24:10.321 INFO running `"docker" "rm" "-f" "6a35f2a4915198753585fbea74c101c3ac3d36d91ab12739f1fe54b4f1208346"`
Dec 19 21:24:10.740 INFO [stdout] 6a35f2a4915198753585fbea74c101c3ac3d36d91ab12739f1fe54b4f1208346