Dec 11 11:29:13.238 INFO checking qrdean/rust_hello against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 11:29:13.238 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 11:29:13.531 INFO [stdout] e36a7b5019e0f65b78a19dc5daa2b4b676dbfe7f5292f71990b7e08880f7caf4
Dec 11 11:29:13.533 INFO running `"docker" "start" "-a" "e36a7b5019e0f65b78a19dc5daa2b4b676dbfe7f5292f71990b7e08880f7caf4"`
Dec 11 11:29:14.014 INFO [stderr] usermod: no changes
Dec 11 11:29:14.045 INFO [stderr]     Checking hello_world v0.0.1 (/source)
Dec 11 11:29:14.253 INFO [stderr] warning: unused variable: `x`
Dec 11 11:29:14.253 INFO [stderr]  --> src/main.rs:2:6
Dec 11 11:29:14.253 INFO [stderr]   |
Dec 11 11:29:14.253 INFO [stderr] 2 |     let x: i32;
Dec 11 11:29:14.253 INFO [stderr]   |         ^ help: consider using `_x` instead
Dec 11 11:29:14.253 INFO [stderr]   |
Dec 11 11:29:14.253 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 11 11:29:14.253 INFO [stderr] 
Dec 11 11:29:14.290 INFO [stderr] warning: unused variable: `x`
Dec 11 11:29:14.290 INFO [stderr]  --> src/main.rs:2:6
Dec 11 11:29:14.290 INFO [stderr]   |
Dec 11 11:29:14.290 INFO [stderr] 2 |     let x: i32;
Dec 11 11:29:14.290 INFO [stderr]   |         ^ help: consider using `_x` instead
Dec 11 11:29:14.290 INFO [stderr]   |
Dec 11 11:29:14.290 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 11 11:29:14.290 INFO [stderr] 
Dec 11 11:29:14.300 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
Dec 11 11:29:14.302 INFO [stderr] su: No module specific data is present
Dec 11 11:29:14.599 INFO running `"docker" "inspect" "e36a7b5019e0f65b78a19dc5daa2b4b676dbfe7f5292f71990b7e08880f7caf4"`
Dec 11 11:29:14.796 INFO running `"docker" "rm" "-f" "e36a7b5019e0f65b78a19dc5daa2b4b676dbfe7f5292f71990b7e08880f7caf4"`
Dec 11 11:29:15.039 INFO [stdout] e36a7b5019e0f65b78a19dc5daa2b4b676dbfe7f5292f71990b7e08880f7caf4