Dec 04 16:36:28.276 INFO checking jinkaitoo/hello_world against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 16:36:28.276 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 16:36:28.459 INFO [stdout] 5405ee84863b56c768fd796b6544823538308b41ee59edbe0256c9da0d80276b
Dec 04 16:36:28.462 INFO running `"docker" "start" "-a" "5405ee84863b56c768fd796b6544823538308b41ee59edbe0256c9da0d80276b"`
Dec 04 16:36:28.970 INFO [stderr] usermod: no changes
Dec 04 16:36:29.007 INFO [stderr]     Checking hello_world v0.1.0 (/source)
Dec 04 16:36:29.323 INFO [stderr] warning: value assigned to `x` is never read
Dec 04 16:36:29.323 INFO [stderr]  --> src/main.rs:2:13
Dec 04 16:36:29.323 INFO [stderr]   |
Dec 04 16:36:29.323 INFO [stderr] 2 |     let mut x: i32 = 1;
Dec 04 16:36:29.323 INFO [stderr]   |             ^
Dec 04 16:36:29.323 INFO [stderr]   |
Dec 04 16:36:29.323 INFO [stderr]   = note: #[warn(unused_assignments)] on by default
Dec 04 16:36:29.323 INFO [stderr] 
Dec 04 16:36:29.323 INFO [stderr] warning: unused variable: `y`
Dec 04 16:36:29.323 INFO [stderr]  --> src/main.rs:6:9
Dec 04 16:36:29.323 INFO [stderr]   |
Dec 04 16:36:29.323 INFO [stderr] 6 |     let y = 4;
Dec 04 16:36:29.323 INFO [stderr]   |         ^ help: consider using `_y` instead
Dec 04 16:36:29.323 INFO [stderr]   |
Dec 04 16:36:29.323 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 04 16:36:29.323 INFO [stderr] 
Dec 04 16:36:29.339 INFO [stderr] warning: value assigned to `x` is never read
Dec 04 16:36:29.339 INFO [stderr]  --> src/main.rs:2:13
Dec 04 16:36:29.339 INFO [stderr]   |
Dec 04 16:36:29.339 INFO [stderr] 2 |     let mut x: i32 = 1;
Dec 04 16:36:29.340 INFO [stderr]   |             ^
Dec 04 16:36:29.340 INFO [stderr]   |
Dec 04 16:36:29.340 INFO [stderr]   = note: #[warn(unused_assignments)] on by default
Dec 04 16:36:29.340 INFO [stderr] 
Dec 04 16:36:29.340 INFO [stderr] warning: unused variable: `y`
Dec 04 16:36:29.340 INFO [stderr]  --> src/main.rs:6:9
Dec 04 16:36:29.340 INFO [stderr]   |
Dec 04 16:36:29.340 INFO [stderr] 6 |     let y = 4;
Dec 04 16:36:29.340 INFO [stderr]   |         ^ help: consider using `_y` instead
Dec 04 16:36:29.341 INFO [stderr]   |
Dec 04 16:36:29.341 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 04 16:36:29.341 INFO [stderr] 
Dec 04 16:36:29.351 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
Dec 04 16:36:29.354 INFO [stderr] su: No module specific data is present
Dec 04 16:36:29.664 INFO running `"docker" "inspect" "5405ee84863b56c768fd796b6544823538308b41ee59edbe0256c9da0d80276b"`
Dec 04 16:36:29.751 INFO running `"docker" "rm" "-f" "5405ee84863b56c768fd796b6544823538308b41ee59edbe0256c9da0d80276b"`
Dec 04 16:36:29.855 INFO [stdout] 5405ee84863b56c768fd796b6544823538308b41ee59edbe0256c9da0d80276b