Nov 30 01:14:33.419 INFO checking jakegornall/guessing_game against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 01:14:33.419 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-7/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 01:14:33.982 INFO [stdout] 7a2815d93ada69f2a80ec435f80e69e6577dfe9fd4cece19c162b3210c9216a2
Nov 30 01:14:33.990 INFO running `"docker" "start" "-a" "7a2815d93ada69f2a80ec435f80e69e6577dfe9fd4cece19c162b3210c9216a2"`
Nov 30 01:14:35.072 INFO [stderr] usermod: no changes
Nov 30 01:14:35.152 INFO [stderr]     Checking guessing_game v0.1.0 (/source)
Nov 30 01:14:35.676 INFO [stderr] warning: unused variable: `play_again`
Nov 30 01:14:35.676 INFO [stderr]   --> src/main.rs:27:13
Nov 30 01:14:35.676 INFO [stderr]    |
Nov 30 01:14:35.676 INFO [stderr] 27 |     let mut play_again = String::new();
Nov 30 01:14:35.676 INFO [stderr]    |             ^^^^^^^^^^ help: consider using `_play_again` instead
Nov 30 01:14:35.676 INFO [stderr]    |
Nov 30 01:14:35.676 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 01:14:35.676 INFO [stderr] 
Nov 30 01:14:35.676 INFO [stderr] warning: value assigned to `result` is never read
Nov 30 01:14:35.676 INFO [stderr]   --> src/main.rs:28:13
Nov 30 01:14:35.676 INFO [stderr]    |
Nov 30 01:14:35.676 INFO [stderr] 28 |     let mut result = false;
Nov 30 01:14:35.676 INFO [stderr]    |             ^^^^^^
Nov 30 01:14:35.676 INFO [stderr]    |
Nov 30 01:14:35.676 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 30 01:14:35.676 INFO [stderr] 
Nov 30 01:14:35.676 INFO [stderr] warning: value assigned to `new_score` is never read
Nov 30 01:14:35.676 INFO [stderr]   --> src/main.rs:63:13
Nov 30 01:14:35.676 INFO [stderr]    |
Nov 30 01:14:35.676 INFO [stderr] 63 |     let mut new_score = 0;
Nov 30 01:14:35.676 INFO [stderr]    |             ^^^^^^^^^
Nov 30 01:14:35.676 INFO [stderr] 
Nov 30 01:14:35.688 INFO [stderr] warning: variable does not need to be mutable
Nov 30 01:14:35.688 INFO [stderr]   --> src/main.rs:27:9
Nov 30 01:14:35.688 INFO [stderr]    |
Nov 30 01:14:35.688 INFO [stderr] 27 |     let mut play_again = String::new();
Nov 30 01:14:35.688 INFO [stderr]    |         ----^^^^^^^^^^
Nov 30 01:14:35.688 INFO [stderr]    |         |
Nov 30 01:14:35.688 INFO [stderr]    |         help: remove this `mut`
Nov 30 01:14:35.688 INFO [stderr]    |
Nov 30 01:14:35.688 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 01:14:35.688 INFO [stderr] 
Nov 30 01:14:35.780 INFO [stderr] warning: unused variable: `play_again`
Nov 30 01:14:35.780 INFO [stderr]   --> src/main.rs:27:13
Nov 30 01:14:35.780 INFO [stderr]    |
Nov 30 01:14:35.780 INFO [stderr] 27 |     let mut play_again = String::new();
Nov 30 01:14:35.780 INFO [stderr]    |             ^^^^^^^^^^ help: consider using `_play_again` instead
Nov 30 01:14:35.780 INFO [stderr]    |
Nov 30 01:14:35.780 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 01:14:35.780 INFO [stderr] 
Nov 30 01:14:35.780 INFO [stderr] warning: value assigned to `result` is never read
Nov 30 01:14:35.780 INFO [stderr]   --> src/main.rs:28:13
Nov 30 01:14:35.780 INFO [stderr]    |
Nov 30 01:14:35.780 INFO [stderr] 28 |     let mut result = false;
Nov 30 01:14:35.780 INFO [stderr]    |             ^^^^^^
Nov 30 01:14:35.780 INFO [stderr]    |
Nov 30 01:14:35.780 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 30 01:14:35.781 INFO [stderr] 
Nov 30 01:14:35.781 INFO [stderr] warning: value assigned to `new_score` is never read
Nov 30 01:14:35.781 INFO [stderr]   --> src/main.rs:63:13
Nov 30 01:14:35.781 INFO [stderr]    |
Nov 30 01:14:35.781 INFO [stderr] 63 |     let mut new_score = 0;
Nov 30 01:14:35.781 INFO [stderr]    |             ^^^^^^^^^
Nov 30 01:14:35.781 INFO [stderr] 
Nov 30 01:14:35.792 INFO [stderr] warning: variable does not need to be mutable
Nov 30 01:14:35.792 INFO [stderr]   --> src/main.rs:27:9
Nov 30 01:14:35.792 INFO [stderr]    |
Nov 30 01:14:35.792 INFO [stderr] 27 |     let mut play_again = String::new();
Nov 30 01:14:35.792 INFO [stderr]    |         ----^^^^^^^^^^
Nov 30 01:14:35.792 INFO [stderr]    |         |
Nov 30 01:14:35.792 INFO [stderr]    |         help: remove this `mut`
Nov 30 01:14:35.792 INFO [stderr]    |
Nov 30 01:14:35.792 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 01:14:35.792 INFO [stderr] 
Nov 30 01:14:35.811 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
Nov 30 01:14:35.824 INFO [stderr] su: No module specific data is present
Nov 30 01:14:36.382 INFO running `"docker" "inspect" "7a2815d93ada69f2a80ec435f80e69e6577dfe9fd4cece19c162b3210c9216a2"`
Nov 30 01:14:36.612 INFO running `"docker" "rm" "-f" "7a2815d93ada69f2a80ec435f80e69e6577dfe9fd4cece19c162b3210c9216a2"`
Nov 30 01:14:36.809 INFO [stdout] 7a2815d93ada69f2a80ec435f80e69e6577dfe9fd4cece19c162b3210c9216a2