Dec 04 20:52:46.513 INFO checking clD11/rust-katas against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 20:52:46.513 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1df97983eb2057dc6a8f7eb364e263b51ae23230-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 20:52:46.924 INFO [stdout] dd8f558677c28806f6c72d41586231bc015962668b2e29013a2b8687fa9c0492
Dec 04 20:52:46.933 INFO running `"docker" "start" "-a" "dd8f558677c28806f6c72d41586231bc015962668b2e29013a2b8687fa9c0492"`
Dec 04 20:52:48.204 INFO [stderr] usermod: no changes
Dec 04 20:52:48.271 INFO [stderr]     Checking rust-katas v0.1.0 (/source)
Dec 04 20:52:48.887 INFO [stderr] warning: unused import: `std::io`
Dec 04 20:52:48.887 INFO [stderr]  --> src/main.rs:3:5
Dec 04 20:52:48.887 INFO [stderr]   |
Dec 04 20:52:48.887 INFO [stderr] 3 | use std::io;
Dec 04 20:52:48.887 INFO [stderr]   |     ^^^^^^^
Dec 04 20:52:48.887 INFO [stderr]   |
Dec 04 20:52:48.887 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 20:52:48.887 INFO [stderr] 
Dec 04 20:52:48.887 INFO [stderr] warning: unused import: `rand::Rng`
Dec 04 20:52:48.887 INFO [stderr]  --> src/main.rs:4:5
Dec 04 20:52:48.887 INFO [stderr]   |
Dec 04 20:52:48.887 INFO [stderr] 4 | use rand::Rng;
Dec 04 20:52:48.887 INFO [stderr]   |     ^^^^^^^^^
Dec 04 20:52:48.887 INFO [stderr] 
Dec 04 20:52:48.887 INFO [stderr] warning: unused import: `std::cmp::Ordering`
Dec 04 20:52:48.887 INFO [stderr]  --> src/main.rs:5:5
Dec 04 20:52:48.887 INFO [stderr]   |
Dec 04 20:52:48.887 INFO [stderr] 5 | use std::cmp::Ordering;
Dec 04 20:52:48.887 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 04 20:52:48.887 INFO [stderr] 
Dec 04 20:52:49.008 INFO [stderr] warning: unused import: `std::io`
Dec 04 20:52:49.008 INFO [stderr]  --> src/main.rs:3:5
Dec 04 20:52:49.008 INFO [stderr]   |
Dec 04 20:52:49.008 INFO [stderr] 3 | use std::io;
Dec 04 20:52:49.008 INFO [stderr]   |     ^^^^^^^
Dec 04 20:52:49.008 INFO [stderr]   |
Dec 04 20:52:49.008 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 20:52:49.008 INFO [stderr] 
Dec 04 20:52:49.008 INFO [stderr] warning: unused import: `rand::Rng`
Dec 04 20:52:49.008 INFO [stderr]  --> src/main.rs:4:5
Dec 04 20:52:49.008 INFO [stderr]   |
Dec 04 20:52:49.008 INFO [stderr] 4 | use rand::Rng;
Dec 04 20:52:49.008 INFO [stderr]   |     ^^^^^^^^^
Dec 04 20:52:49.008 INFO [stderr] 
Dec 04 20:52:49.008 INFO [stderr] warning: unused import: `std::cmp::Ordering`
Dec 04 20:52:49.008 INFO [stderr]  --> src/main.rs:5:5
Dec 04 20:52:49.008 INFO [stderr]   |
Dec 04 20:52:49.008 INFO [stderr] 5 | use std::cmp::Ordering;
Dec 04 20:52:49.008 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 04 20:52:49.008 INFO [stderr] 
Dec 04 20:52:49.035 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
Dec 04 20:52:49.048 INFO [stderr] su: No module specific data is present
Dec 04 20:52:49.633 INFO running `"docker" "inspect" "dd8f558677c28806f6c72d41586231bc015962668b2e29013a2b8687fa9c0492"`
Dec 04 20:52:49.907 INFO running `"docker" "rm" "-f" "dd8f558677c28806f6c72d41586231bc015962668b2e29013a2b8687fa9c0492"`
Dec 04 20:52:50.222 INFO [stdout] dd8f558677c28806f6c72d41586231bc015962668b2e29013a2b8687fa9c0492