Nov 28 03:38:26.674 INFO checking jakegornall/guessing_game against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 03:38:26.675 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-6/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 03:38:26.956 INFO [stdout] 042f6ee3847f63b40169764be6a2d203ac4a3f137131b520b62497dffe987412
Nov 28 03:38:26.959 INFO running `"docker" "start" "-a" "042f6ee3847f63b40169764be6a2d203ac4a3f137131b520b62497dffe987412"`
Nov 28 03:38:27.456 INFO [stderr] usermod: no changes
Nov 28 03:38:27.498 INFO [stderr]     Checking guessing_game v0.1.0 (/source)
Nov 28 03:38:27.844 INFO [stderr] warning: unused variable: `play_again`
Nov 28 03:38:27.844 INFO [stderr]   --> src/main.rs:27:13
Nov 28 03:38:27.844 INFO [stderr]    |
Nov 28 03:38:27.844 INFO [stderr] 27 |     let mut play_again = String::new();
Nov 28 03:38:27.844 INFO [stderr]    |             ^^^^^^^^^^ help: consider using `_play_again` instead
Nov 28 03:38:27.844 INFO [stderr]    |
Nov 28 03:38:27.844 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 03:38:27.844 INFO [stderr] 
Nov 28 03:38:27.844 INFO [stderr] warning: value assigned to `result` is never read
Nov 28 03:38:27.844 INFO [stderr]   --> src/main.rs:28:13
Nov 28 03:38:27.844 INFO [stderr]    |
Nov 28 03:38:27.844 INFO [stderr] 28 |     let mut result = false;
Nov 28 03:38:27.844 INFO [stderr]    |             ^^^^^^
Nov 28 03:38:27.844 INFO [stderr]    |
Nov 28 03:38:27.844 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 28 03:38:27.844 INFO [stderr] 
Nov 28 03:38:27.844 INFO [stderr] warning: value assigned to `new_score` is never read
Nov 28 03:38:27.844 INFO [stderr]   --> src/main.rs:63:13
Nov 28 03:38:27.844 INFO [stderr]    |
Nov 28 03:38:27.844 INFO [stderr] 63 |     let mut new_score = 0;
Nov 28 03:38:27.844 INFO [stderr]    |             ^^^^^^^^^
Nov 28 03:38:27.844 INFO [stderr] 
Nov 28 03:38:27.848 INFO [stderr] warning: variable does not need to be mutable
Nov 28 03:38:27.848 INFO [stderr]   --> src/main.rs:27:9
Nov 28 03:38:27.848 INFO [stderr]    |
Nov 28 03:38:27.848 INFO [stderr] 27 |     let mut play_again = String::new();
Nov 28 03:38:27.848 INFO [stderr]    |         ----^^^^^^^^^^
Nov 28 03:38:27.848 INFO [stderr]    |         |
Nov 28 03:38:27.848 INFO [stderr]    |         help: remove this `mut`
Nov 28 03:38:27.848 INFO [stderr]    |
Nov 28 03:38:27.848 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 03:38:27.848 INFO [stderr] 
Nov 28 03:38:27.896 INFO [stderr] warning: unused variable: `play_again`
Nov 28 03:38:27.896 INFO [stderr]   --> src/main.rs:27:13
Nov 28 03:38:27.896 INFO [stderr]    |
Nov 28 03:38:27.896 INFO [stderr] 27 |     let mut play_again = String::new();
Nov 28 03:38:27.897 INFO [stderr]    |             ^^^^^^^^^^ help: consider using `_play_again` instead
Nov 28 03:38:27.897 INFO [stderr]    |
Nov 28 03:38:27.897 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 03:38:27.897 INFO [stderr] 
Nov 28 03:38:27.897 INFO [stderr] warning: value assigned to `result` is never read
Nov 28 03:38:27.897 INFO [stderr]   --> src/main.rs:28:13
Nov 28 03:38:27.897 INFO [stderr]    |
Nov 28 03:38:27.897 INFO [stderr] 28 |     let mut result = false;
Nov 28 03:38:27.897 INFO [stderr]    |             ^^^^^^
Nov 28 03:38:27.897 INFO [stderr]    |
Nov 28 03:38:27.897 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 28 03:38:27.897 INFO [stderr] 
Nov 28 03:38:27.897 INFO [stderr] warning: value assigned to `new_score` is never read
Nov 28 03:38:27.897 INFO [stderr]   --> src/main.rs:63:13
Nov 28 03:38:27.897 INFO [stderr]    |
Nov 28 03:38:27.897 INFO [stderr] 63 |     let mut new_score = 0;
Nov 28 03:38:27.897 INFO [stderr]    |             ^^^^^^^^^
Nov 28 03:38:27.897 INFO [stderr] 
Nov 28 03:38:27.903 INFO [stderr] warning: variable does not need to be mutable
Nov 28 03:38:27.903 INFO [stderr]   --> src/main.rs:27:9
Nov 28 03:38:27.903 INFO [stderr]    |
Nov 28 03:38:27.904 INFO [stderr] 27 |     let mut play_again = String::new();
Nov 28 03:38:27.904 INFO [stderr]    |         ----^^^^^^^^^^
Nov 28 03:38:27.904 INFO [stderr]    |         |
Nov 28 03:38:27.904 INFO [stderr]    |         help: remove this `mut`
Nov 28 03:38:27.904 INFO [stderr]    |
Nov 28 03:38:27.904 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 03:38:27.904 INFO [stderr] 
Nov 28 03:38:27.922 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
Nov 28 03:38:27.925 INFO [stderr] su: No module specific data is present
Nov 28 03:38:28.117 INFO running `"docker" "inspect" "042f6ee3847f63b40169764be6a2d203ac4a3f137131b520b62497dffe987412"`
Nov 28 03:38:28.202 INFO running `"docker" "rm" "-f" "042f6ee3847f63b40169764be6a2d203ac4a3f137131b520b62497dffe987412"`
Nov 28 03:38:28.295 INFO [stdout] 042f6ee3847f63b40169764be6a2d203ac4a3f137131b520b62497dffe987412