Dec 04 12:04:53.161 INFO checking qrdean/rust_hello against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 12:04:53.161 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 12:04:53.756 INFO [stdout] cd9fe46f5ad7772ddff6d0045a736f3ff52dc194967dbf9deaaf1e7bf8de3259
Dec 04 12:04:53.758 INFO running `"docker" "start" "-a" "cd9fe46f5ad7772ddff6d0045a736f3ff52dc194967dbf9deaaf1e7bf8de3259"`
Dec 04 12:04:55.118 INFO [stderr] usermod: no changes
Dec 04 12:04:55.219 INFO [stderr]     Checking hello_world v0.0.1 (/source)
Dec 04 12:04:55.583 INFO [stderr] warning: unused variable: `x`
Dec 04 12:04:55.583 INFO [stderr]  --> src/main.rs:2:6
Dec 04 12:04:55.583 INFO [stderr]   |
Dec 04 12:04:55.583 INFO [stderr] 2 |     let x: i32;
Dec 04 12:04:55.583 INFO [stderr]   |         ^ help: consider using `_x` instead
Dec 04 12:04:55.583 INFO [stderr]   |
Dec 04 12:04:55.583 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 04 12:04:55.583 INFO [stderr] 
Dec 04 12:04:55.607 INFO [stderr] warning: unused variable: `x`
Dec 04 12:04:55.607 INFO [stderr]  --> src/main.rs:2:6
Dec 04 12:04:55.607 INFO [stderr]   |
Dec 04 12:04:55.607 INFO [stderr] 2 |     let x: i32;
Dec 04 12:04:55.607 INFO [stderr]   |         ^ help: consider using `_x` instead
Dec 04 12:04:55.607 INFO [stderr]   |
Dec 04 12:04:55.607 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 04 12:04:55.607 INFO [stderr] 
Dec 04 12:04:55.640 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
Dec 04 12:04:55.642 INFO [stderr] su: No module specific data is present
Dec 04 12:04:56.340 INFO running `"docker" "inspect" "cd9fe46f5ad7772ddff6d0045a736f3ff52dc194967dbf9deaaf1e7bf8de3259"`
Dec 04 12:04:56.646 INFO running `"docker" "rm" "-f" "cd9fe46f5ad7772ddff6d0045a736f3ff52dc194967dbf9deaaf1e7bf8de3259"`
Dec 04 12:04:56.983 INFO [stdout] cd9fe46f5ad7772ddff6d0045a736f3ff52dc194967dbf9deaaf1e7bf8de3259