Nov 28 12:29:23.244 INFO checking LiteUnder/testing_rust against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 12:29:23.244 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-4/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 28 12:29:23.488 INFO [stdout] 4fbc9de7981b617d7fa1c8c4ffd96630bf51c82f0d1b2dda667eca0ef6cfc73f
Nov 28 12:29:23.494 INFO running `"docker" "start" "-a" "4fbc9de7981b617d7fa1c8c4ffd96630bf51c82f0d1b2dda667eca0ef6cfc73f"`
Nov 28 12:29:23.993 INFO [stderr] usermod: no changes
Nov 28 12:29:24.022 INFO [stderr]     Checking testing_rust v0.1.0 (/source)
Nov 28 12:29:24.371 INFO [stderr] warning: unused variable: `x`
Nov 28 12:29:24.371 INFO [stderr]   --> src/main.rs:12:9
Nov 28 12:29:24.371 INFO [stderr]    |
Nov 28 12:29:24.371 INFO [stderr] 12 |     let x = Some(5);
Nov 28 12:29:24.371 INFO [stderr]    |         ^ help: consider using `_x` instead
Nov 28 12:29:24.371 INFO [stderr]    |
Nov 28 12:29:24.371 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 12:29:24.371 INFO [stderr] 
Nov 28 12:29:24.371 INFO [stderr] warning: unused variable: `y`
Nov 28 12:29:24.371 INFO [stderr]   --> src/main.rs:13:9
Nov 28 12:29:24.371 INFO [stderr]    |
Nov 28 12:29:24.371 INFO [stderr] 13 |     let y: Option<i8> = None;
Nov 28 12:29:24.371 INFO [stderr]    |         ^ help: consider using `_y` instead
Nov 28 12:29:24.371 INFO [stderr] 
Nov 28 12:29:24.438 INFO [stderr] warning: unused variable: `x`
Nov 28 12:29:24.438 INFO [stderr]   --> src/main.rs:12:9
Nov 28 12:29:24.438 INFO [stderr]    |
Nov 28 12:29:24.438 INFO [stderr] 12 |     let x = Some(5);
Nov 28 12:29:24.438 INFO [stderr]    |         ^ help: consider using `_x` instead
Nov 28 12:29:24.438 INFO [stderr]    |
Nov 28 12:29:24.438 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 12:29:24.438 INFO [stderr] 
Nov 28 12:29:24.438 INFO [stderr] warning: unused variable: `y`
Nov 28 12:29:24.438 INFO [stderr]   --> src/main.rs:13:9
Nov 28 12:29:24.438 INFO [stderr]    |
Nov 28 12:29:24.438 INFO [stderr] 13 |     let y: Option<i8> = None;
Nov 28 12:29:24.438 INFO [stderr]    |         ^ help: consider using `_y` instead
Nov 28 12:29:24.438 INFO [stderr] 
Nov 28 12:29:24.442 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
Nov 28 12:29:24.444 INFO [stderr] su: No module specific data is present
Nov 28 12:29:24.770 INFO running `"docker" "inspect" "4fbc9de7981b617d7fa1c8c4ffd96630bf51c82f0d1b2dda667eca0ef6cfc73f"`
Nov 28 12:29:24.936 INFO running `"docker" "rm" "-f" "4fbc9de7981b617d7fa1c8c4ffd96630bf51c82f0d1b2dda667eca0ef6cfc73f"`
Nov 28 12:29:25.119 INFO [stdout] 4fbc9de7981b617d7fa1c8c4ffd96630bf51c82f0d1b2dda667eca0ef6cfc73f