Dec 04 17:13:02.983 INFO checking intrepion/example-x-rust-x-rustbyexample-com-x-std-option against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 17:13:02.983 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 17:13:03.197 INFO [stdout] 41c64864ab2efa7de8c8fe565c957d49f0d5e62862ba541ec228b5b5cb99a8ca
Dec 04 17:13:03.201 INFO running `"docker" "start" "-a" "41c64864ab2efa7de8c8fe565c957d49f0d5e62862ba541ec228b5b5cb99a8ca"`
Dec 04 17:13:03.770 INFO [stderr] usermod: no changes
Dec 04 17:13:03.798 INFO [stderr]     Checking example-x-rust-x-rustbyexample-com-x-std-option v0.1.0 (/source)
Dec 04 17:13:04.087 INFO [stderr] warning: unused variable: `none`
Dec 04 17:13:04.087 INFO [stderr]   --> src/main.rs:28:9
Dec 04 17:13:04.087 INFO [stderr]    |
Dec 04 17:13:04.087 INFO [stderr] 28 |     let none: Option<i32> = None;
Dec 04 17:13:04.087 INFO [stderr]    |         ^^^^ help: consider using `_none` instead
Dec 04 17:13:04.087 INFO [stderr]    |
Dec 04 17:13:04.087 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 17:13:04.087 INFO [stderr] 
Dec 04 17:13:04.103 INFO [stderr] warning: unused variable: `none`
Dec 04 17:13:04.103 INFO [stderr]   --> src/main.rs:28:9
Dec 04 17:13:04.103 INFO [stderr]    |
Dec 04 17:13:04.103 INFO [stderr] 28 |     let none: Option<i32> = None;
Dec 04 17:13:04.103 INFO [stderr]    |         ^^^^ help: consider using `_none` instead
Dec 04 17:13:04.103 INFO [stderr]    |
Dec 04 17:13:04.103 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 17:13:04.103 INFO [stderr] 
Dec 04 17:13:04.115 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
Dec 04 17:13:04.117 INFO [stderr] su: No module specific data is present
Dec 04 17:13:04.393 INFO running `"docker" "inspect" "41c64864ab2efa7de8c8fe565c957d49f0d5e62862ba541ec228b5b5cb99a8ca"`
Dec 04 17:13:04.491 INFO running `"docker" "rm" "-f" "41c64864ab2efa7de8c8fe565c957d49f0d5e62862ba541ec228b5b5cb99a8ca"`
Dec 04 17:13:04.580 INFO [stdout] 41c64864ab2efa7de8c8fe565c957d49f0d5e62862ba541ec228b5b5cb99a8ca