Dec 18 02:23:17.041 INFO checking clD11/rust-katas against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 02:23:17.041 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/clD11/rust-katas:/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 18 02:23:17.524 INFO [stdout] ee9111d3b95cb46da2edb1fd80514fca9c00f38972cc38a02660616f325e3cff
Dec 18 02:23:17.527 INFO running `"docker" "start" "-a" "ee9111d3b95cb46da2edb1fd80514fca9c00f38972cc38a02660616f325e3cff"`
Dec 18 02:23:19.391 INFO [stderr]     Checking rust-katas v0.1.0 (/opt/crater/workdir)
Dec 18 02:23:19.628 INFO [stderr] warning: unused import: `std::io`
Dec 18 02:23:19.628 INFO [stderr]  --> src/main.rs:3:5
Dec 18 02:23:19.628 INFO [stderr]   |
Dec 18 02:23:19.628 INFO [stderr] 3 | use std::io;
Dec 18 02:23:19.628 INFO [stderr]   |     ^^^^^^^
Dec 18 02:23:19.628 INFO [stderr]   |
Dec 18 02:23:19.628 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 02:23:19.628 INFO [stderr] 
Dec 18 02:23:19.628 INFO [stderr] warning: unused import: `rand::Rng`
Dec 18 02:23:19.628 INFO [stderr]  --> src/main.rs:4:5
Dec 18 02:23:19.628 INFO [stderr]   |
Dec 18 02:23:19.628 INFO [stderr] 4 | use rand::Rng;
Dec 18 02:23:19.628 INFO [stderr]   |     ^^^^^^^^^
Dec 18 02:23:19.628 INFO [stderr] 
Dec 18 02:23:19.628 INFO [stderr] warning: unused import: `std::cmp::Ordering`
Dec 18 02:23:19.628 INFO [stderr]  --> src/main.rs:5:5
Dec 18 02:23:19.628 INFO [stderr]   |
Dec 18 02:23:19.628 INFO [stderr] 5 | use std::cmp::Ordering;
Dec 18 02:23:19.628 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 18 02:23:19.628 INFO [stderr] 
Dec 18 02:23:19.704 INFO [stderr] warning: unused import: `std::io`
Dec 18 02:23:19.704 INFO [stderr]  --> src/main.rs:3:5
Dec 18 02:23:19.704 INFO [stderr]   |
Dec 18 02:23:19.704 INFO [stderr] 3 | use std::io;
Dec 18 02:23:19.704 INFO [stderr]   |     ^^^^^^^
Dec 18 02:23:19.704 INFO [stderr]   |
Dec 18 02:23:19.704 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 02:23:19.704 INFO [stderr] 
Dec 18 02:23:19.704 INFO [stderr] warning: unused import: `rand::Rng`
Dec 18 02:23:19.704 INFO [stderr]  --> src/main.rs:4:5
Dec 18 02:23:19.704 INFO [stderr]   |
Dec 18 02:23:19.704 INFO [stderr] 4 | use rand::Rng;
Dec 18 02:23:19.704 INFO [stderr]   |     ^^^^^^^^^
Dec 18 02:23:19.704 INFO [stderr] 
Dec 18 02:23:19.704 INFO [stderr] warning: unused import: `std::cmp::Ordering`
Dec 18 02:23:19.704 INFO [stderr]  --> src/main.rs:5:5
Dec 18 02:23:19.704 INFO [stderr]   |
Dec 18 02:23:19.704 INFO [stderr] 5 | use std::cmp::Ordering;
Dec 18 02:23:19.704 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 18 02:23:19.704 INFO [stderr] 
Dec 18 02:23:19.764 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
Dec 18 02:23:20.370 INFO running `"docker" "inspect" "ee9111d3b95cb46da2edb1fd80514fca9c00f38972cc38a02660616f325e3cff"`
Dec 18 02:23:20.554 INFO running `"docker" "rm" "-f" "ee9111d3b95cb46da2edb1fd80514fca9c00f38972cc38a02660616f325e3cff"`
Dec 18 02:23:20.723 INFO [stdout] ee9111d3b95cb46da2edb1fd80514fca9c00f38972cc38a02660616f325e3cff