Nov 28 03:38:26.784 INFO checking jakegornall/guessing_game against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 03:38:26.786 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-0/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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 03:38:27.048 INFO [stdout] 9ce2e9fdeb7283c0602a689c6b1e1fe880bc59b1c87400d950246843716393b2
Nov 28 03:38:27.050 INFO running `"docker" "start" "-a" "9ce2e9fdeb7283c0602a689c6b1e1fe880bc59b1c87400d950246843716393b2"`
Nov 28 03:38:27.436 INFO [stderr] usermod: no changes
Nov 28 03:38:27.483 INFO [stderr]     Checking guessing_game v0.1.0 (/source)
Nov 28 03:38:27.804 INFO [stderr] warning: unused variable: `play_again`
Nov 28 03:38:27.804 INFO [stderr]   --> src/main.rs:27:13
Nov 28 03:38:27.804 INFO [stderr]    |
Nov 28 03:38:27.804 INFO [stderr] 27 |     let mut play_again = String::new();
Nov 28 03:38:27.804 INFO [stderr]    |             ^^^^^^^^^^ help: consider using `_play_again` instead
Nov 28 03:38:27.804 INFO [stderr]    |
Nov 28 03:38:27.804 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 03:38:27.804 INFO [stderr] 
Nov 28 03:38:27.804 INFO [stderr] warning: value assigned to `result` is never read
Nov 28 03:38:27.804 INFO [stderr]   --> src/main.rs:28:13
Nov 28 03:38:27.804 INFO [stderr]    |
Nov 28 03:38:27.804 INFO [stderr] 28 |     let mut result = false;
Nov 28 03:38:27.804 INFO [stderr]    |             ^^^^^^
Nov 28 03:38:27.804 INFO [stderr]    |
Nov 28 03:38:27.804 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 28 03:38:27.804 INFO [stderr] 
Nov 28 03:38:27.804 INFO [stderr] warning: value assigned to `new_score` is never read
Nov 28 03:38:27.804 INFO [stderr]   --> src/main.rs:63:13
Nov 28 03:38:27.804 INFO [stderr]    |
Nov 28 03:38:27.804 INFO [stderr] 63 |     let mut new_score = 0;
Nov 28 03:38:27.804 INFO [stderr]    |             ^^^^^^^^^
Nov 28 03:38:27.804 INFO [stderr] 
Nov 28 03:38:27.809 INFO [stderr] warning: variable does not need to be mutable
Nov 28 03:38:27.810 INFO [stderr]   --> src/main.rs:27:9
Nov 28 03:38:27.810 INFO [stderr]    |
Nov 28 03:38:27.810 INFO [stderr] 27 |     let mut play_again = String::new();
Nov 28 03:38:27.810 INFO [stderr]    |         ----^^^^^^^^^^
Nov 28 03:38:27.810 INFO [stderr]    |         |
Nov 28 03:38:27.810 INFO [stderr]    |         help: remove this `mut`
Nov 28 03:38:27.810 INFO [stderr]    |
Nov 28 03:38:27.810 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 03:38:27.810 INFO [stderr] 
Nov 28 03:38:27.837 INFO [stderr] warning: unused variable: `play_again`
Nov 28 03:38:27.837 INFO [stderr]   --> src/main.rs:27:13
Nov 28 03:38:27.837 INFO [stderr]    |
Nov 28 03:38:27.837 INFO [stderr] 27 |     let mut play_again = String::new();
Nov 28 03:38:27.837 INFO [stderr]    |             ^^^^^^^^^^ help: consider using `_play_again` instead
Nov 28 03:38:27.837 INFO [stderr]    |
Nov 28 03:38:27.837 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 03:38:27.837 INFO [stderr] 
Nov 28 03:38:27.837 INFO [stderr] warning: value assigned to `result` is never read
Nov 28 03:38:27.837 INFO [stderr]   --> src/main.rs:28:13
Nov 28 03:38:27.837 INFO [stderr]    |
Nov 28 03:38:27.840 INFO [stderr] 28 |     let mut result = false;
Nov 28 03:38:27.840 INFO [stderr]    |             ^^^^^^
Nov 28 03:38:27.840 INFO [stderr]    |
Nov 28 03:38:27.840 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 28 03:38:27.840 INFO [stderr] 
Nov 28 03:38:27.840 INFO [stderr] warning: value assigned to `new_score` is never read
Nov 28 03:38:27.840 INFO [stderr]   --> src/main.rs:63:13
Nov 28 03:38:27.840 INFO [stderr]    |
Nov 28 03:38:27.840 INFO [stderr] 63 |     let mut new_score = 0;
Nov 28 03:38:27.840 INFO [stderr]    |             ^^^^^^^^^
Nov 28 03:38:27.840 INFO [stderr] 
Nov 28 03:38:27.847 INFO [stderr] warning: variable does not need to be mutable
Nov 28 03:38:27.847 INFO [stderr]   --> src/main.rs:27:9
Nov 28 03:38:27.847 INFO [stderr]    |
Nov 28 03:38:27.847 INFO [stderr] 27 |     let mut play_again = String::new();
Nov 28 03:38:27.847 INFO [stderr]    |         ----^^^^^^^^^^
Nov 28 03:38:27.847 INFO [stderr]    |         |
Nov 28 03:38:27.847 INFO [stderr]    |         help: remove this `mut`
Nov 28 03:38:27.847 INFO [stderr]    |
Nov 28 03:38:27.847 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 03:38:27.847 INFO [stderr] 
Nov 28 03:38:27.867 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
Nov 28 03:38:27.867 INFO [stderr] su: No module specific data is present
Nov 28 03:38:28.057 INFO running `"docker" "inspect" "9ce2e9fdeb7283c0602a689c6b1e1fe880bc59b1c87400d950246843716393b2"`
Nov 28 03:38:28.178 INFO running `"docker" "rm" "-f" "9ce2e9fdeb7283c0602a689c6b1e1fe880bc59b1c87400d950246843716393b2"`
Nov 28 03:38:28.288 INFO [stdout] 9ce2e9fdeb7283c0602a689c6b1e1fe880bc59b1c87400d950246843716393b2