Dec 11 23:30:39.513 INFO checking Xartok/rust_learn_guessing_game against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 23:30:39.513 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 11 23:30:40.110 INFO [stdout] f81548bacfa262635148fd020d5b08c13edf898e0b5a43b547601550b118a862
Dec 11 23:30:40.111 INFO running `"docker" "start" "-a" "f81548bacfa262635148fd020d5b08c13edf898e0b5a43b547601550b118a862"`
Dec 11 23:30:42.088 INFO [stderr] usermod: no changes
Dec 11 23:30:42.164 INFO [stderr]     Checking guessing_game v0.1.0 (/source)
Dec 11 23:30:42.740 INFO [stderr] warning: unused import: `std::io`
Dec 11 23:30:42.752 INFO [stderr]  --> src/main.rs:1:5
Dec 11 23:30:42.752 INFO [stderr]   |
Dec 11 23:30:42.753 INFO [stderr] 1 | use std::io;
Dec 11 23:30:42.753 INFO [stderr]   |     ^^^^^^^
Dec 11 23:30:42.753 INFO [stderr]   |
Dec 11 23:30:42.753 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 23:30:42.754 INFO [stderr] 
Dec 11 23:30:43.013 INFO [stderr] warning: unused import: `std::io`
Dec 11 23:30:43.013 INFO [stderr]  --> src/main.rs:1:5
Dec 11 23:30:43.013 INFO [stderr]   |
Dec 11 23:30:43.014 INFO [stderr] 1 | use std::io;
Dec 11 23:30:43.014 INFO [stderr]   |     ^^^^^^^
Dec 11 23:30:43.014 INFO [stderr]   |
Dec 11 23:30:43.016 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 23:30:43.016 INFO [stderr] 
Dec 11 23:30:43.073 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
Dec 11 23:30:43.078 INFO [stderr] su: No module specific data is present
Dec 11 23:30:44.306 INFO running `"docker" "inspect" "f81548bacfa262635148fd020d5b08c13edf898e0b5a43b547601550b118a862"`
Dec 11 23:30:44.764 INFO running `"docker" "rm" "-f" "f81548bacfa262635148fd020d5b08c13edf898e0b5a43b547601550b118a862"`
Dec 11 23:30:45.079 INFO [stdout] f81548bacfa262635148fd020d5b08c13edf898e0b5a43b547601550b118a862