Nov 30 01:14:33.589 INFO checking jakegornall/guessing_game against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 01:14:33.589 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-5/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 30 01:14:33.944 INFO [stdout] dd1261267000db5b26aa83f8cf46b150db83a3dec444b157b536c21ccce02765
Nov 30 01:14:33.946 INFO running `"docker" "start" "-a" "dd1261267000db5b26aa83f8cf46b150db83a3dec444b157b536c21ccce02765"`
Nov 30 01:14:35.164 INFO [stderr] usermod: no changes
Nov 30 01:14:35.232 INFO [stderr]     Checking guessing_game v0.1.0 (/source)
Nov 30 01:14:35.700 INFO [stderr] warning: unused variable: `play_again`
Nov 30 01:14:35.700 INFO [stderr]   --> src/main.rs:27:13
Nov 30 01:14:35.700 INFO [stderr]    |
Nov 30 01:14:35.700 INFO [stderr] 27 |     let mut play_again = String::new();
Nov 30 01:14:35.700 INFO [stderr]    |             ^^^^^^^^^^ help: consider using `_play_again` instead
Nov 30 01:14:35.700 INFO [stderr]    |
Nov 30 01:14:35.700 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 01:14:35.700 INFO [stderr] 
Nov 30 01:14:35.700 INFO [stderr] warning: value assigned to `result` is never read
Nov 30 01:14:35.700 INFO [stderr]   --> src/main.rs:28:13
Nov 30 01:14:35.700 INFO [stderr]    |
Nov 30 01:14:35.700 INFO [stderr] 28 |     let mut result = false;
Nov 30 01:14:35.700 INFO [stderr]    |             ^^^^^^
Nov 30 01:14:35.700 INFO [stderr]    |
Nov 30 01:14:35.700 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 30 01:14:35.700 INFO [stderr] 
Nov 30 01:14:35.700 INFO [stderr] warning: value assigned to `new_score` is never read
Nov 30 01:14:35.700 INFO [stderr]   --> src/main.rs:63:13
Nov 30 01:14:35.700 INFO [stderr]    |
Nov 30 01:14:35.700 INFO [stderr] 63 |     let mut new_score = 0;
Nov 30 01:14:35.700 INFO [stderr]    |             ^^^^^^^^^
Nov 30 01:14:35.700 INFO [stderr] 
Nov 30 01:14:35.716 INFO [stderr] warning: variable does not need to be mutable
Nov 30 01:14:35.716 INFO [stderr]   --> src/main.rs:27:9
Nov 30 01:14:35.716 INFO [stderr]    |
Nov 30 01:14:35.716 INFO [stderr] 27 |     let mut play_again = String::new();
Nov 30 01:14:35.716 INFO [stderr]    |         ----^^^^^^^^^^
Nov 30 01:14:35.716 INFO [stderr]    |         |
Nov 30 01:14:35.716 INFO [stderr]    |         help: remove this `mut`
Nov 30 01:14:35.716 INFO [stderr]    |
Nov 30 01:14:35.716 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 01:14:35.716 INFO [stderr] 
Nov 30 01:14:35.980 INFO [stderr] warning: unused variable: `play_again`
Nov 30 01:14:35.980 INFO [stderr]   --> src/main.rs:27:13
Nov 30 01:14:35.980 INFO [stderr]    |
Nov 30 01:14:35.980 INFO [stderr] 27 |     let mut play_again = String::new();
Nov 30 01:14:35.980 INFO [stderr]    |             ^^^^^^^^^^ help: consider using `_play_again` instead
Nov 30 01:14:35.980 INFO [stderr]    |
Nov 30 01:14:35.980 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 01:14:35.980 INFO [stderr] 
Nov 30 01:14:35.980 INFO [stderr] warning: value assigned to `result` is never read
Nov 30 01:14:35.980 INFO [stderr]   --> src/main.rs:28:13
Nov 30 01:14:35.980 INFO [stderr]    |
Nov 30 01:14:35.980 INFO [stderr] 28 |     let mut result = false;
Nov 30 01:14:35.980 INFO [stderr]    |             ^^^^^^
Nov 30 01:14:35.980 INFO [stderr]    |
Nov 30 01:14:35.980 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 30 01:14:35.980 INFO [stderr] 
Nov 30 01:14:35.980 INFO [stderr] warning: value assigned to `new_score` is never read
Nov 30 01:14:35.980 INFO [stderr]   --> src/main.rs:63:13
Nov 30 01:14:35.980 INFO [stderr]    |
Nov 30 01:14:35.980 INFO [stderr] 63 |     let mut new_score = 0;
Nov 30 01:14:35.980 INFO [stderr]    |             ^^^^^^^^^
Nov 30 01:14:35.980 INFO [stderr] 
Nov 30 01:14:35.988 INFO [stderr] warning: variable does not need to be mutable
Nov 30 01:14:35.988 INFO [stderr]   --> src/main.rs:27:9
Nov 30 01:14:35.988 INFO [stderr]    |
Nov 30 01:14:35.988 INFO [stderr] 27 |     let mut play_again = String::new();
Nov 30 01:14:35.988 INFO [stderr]    |         ----^^^^^^^^^^
Nov 30 01:14:35.988 INFO [stderr]    |         |
Nov 30 01:14:35.988 INFO [stderr]    |         help: remove this `mut`
Nov 30 01:14:35.988 INFO [stderr]    |
Nov 30 01:14:35.988 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 01:14:35.988 INFO [stderr] 
Nov 30 01:14:36.019 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
Nov 30 01:14:36.023 INFO [stderr] su: No module specific data is present
Nov 30 01:14:36.598 INFO running `"docker" "inspect" "dd1261267000db5b26aa83f8cf46b150db83a3dec444b157b536c21ccce02765"`
Nov 30 01:14:36.852 INFO running `"docker" "rm" "-f" "dd1261267000db5b26aa83f8cf46b150db83a3dec444b157b536c21ccce02765"`
Nov 30 01:14:37.144 INFO [stdout] dd1261267000db5b26aa83f8cf46b150db83a3dec444b157b536c21ccce02765