Nov 01 03:29:58.778 INFO checking jakegornall/guessing_game against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 03:29:58.778 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-2/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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 01 03:29:59.056 INFO blam! dcd860ccedfbac86973d2d753e43b83e6d7c00b8cac97ccf50957125dc15c756
Nov 01 03:29:59.058 INFO running `"docker" "start" "-a" "dcd860ccedfbac86973d2d753e43b83e6d7c00b8cac97ccf50957125dc15c756"`
Nov 01 03:29:59.688 INFO kablam! usermod: no changes
Nov 01 03:29:59.727 INFO kablam!     Checking guessing_game v0.1.0 (/source)
Nov 01 03:30:00.082 INFO kablam! warning: unused variable: `play_again`
Nov 01 03:30:00.083 INFO kablam!   --> src/main.rs:27:13
Nov 01 03:30:00.083 INFO kablam!    |
Nov 01 03:30:00.083 INFO kablam! 27 |     let mut play_again = String::new();
Nov 01 03:30:00.083 INFO kablam!    |             ^^^^^^^^^^ help: consider using `_play_again` instead
Nov 01 03:30:00.083 INFO kablam!    |
Nov 01 03:30:00.083 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 01 03:30:00.083 INFO kablam! 
Nov 01 03:30:00.083 INFO kablam! warning: value assigned to `result` is never read
Nov 01 03:30:00.083 INFO kablam!   --> src/main.rs:28:13
Nov 01 03:30:00.083 INFO kablam!    |
Nov 01 03:30:00.083 INFO kablam! 28 |     let mut result = false;
Nov 01 03:30:00.083 INFO kablam!    |             ^^^^^^
Nov 01 03:30:00.083 INFO kablam!    |
Nov 01 03:30:00.083 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Nov 01 03:30:00.083 INFO kablam! 
Nov 01 03:30:00.083 INFO kablam! warning: value assigned to `new_score` is never read
Nov 01 03:30:00.083 INFO kablam!   --> src/main.rs:63:13
Nov 01 03:30:00.083 INFO kablam!    |
Nov 01 03:30:00.083 INFO kablam! 63 |     let mut new_score = 0;
Nov 01 03:30:00.083 INFO kablam!    |             ^^^^^^^^^
Nov 01 03:30:00.083 INFO kablam! 
Nov 01 03:30:00.098 INFO kablam! warning: variable does not need to be mutable
Nov 01 03:30:00.098 INFO kablam!   --> src/main.rs:27:9
Nov 01 03:30:00.098 INFO kablam!    |
Nov 01 03:30:00.098 INFO kablam! 27 |     let mut play_again = String::new();
Nov 01 03:30:00.098 INFO kablam!    |         ----^^^^^^^^^^
Nov 01 03:30:00.098 INFO kablam!    |         |
Nov 01 03:30:00.098 INFO kablam!    |         help: remove this `mut`
Nov 01 03:30:00.098 INFO kablam!    |
Nov 01 03:30:00.098 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 01 03:30:00.098 INFO kablam! 
Nov 01 03:30:00.114 INFO kablam! warning: unused variable: `play_again`
Nov 01 03:30:00.114 INFO kablam!   --> src/main.rs:27:13
Nov 01 03:30:00.114 INFO kablam!    |
Nov 01 03:30:00.114 INFO kablam! 27 |     let mut play_again = String::new();
Nov 01 03:30:00.114 INFO kablam!    |             ^^^^^^^^^^ help: consider using `_play_again` instead
Nov 01 03:30:00.114 INFO kablam!    |
Nov 01 03:30:00.114 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 01 03:30:00.114 INFO kablam! 
Nov 01 03:30:00.114 INFO kablam! warning: value assigned to `result` is never read
Nov 01 03:30:00.114 INFO kablam!   --> src/main.rs:28:13
Nov 01 03:30:00.114 INFO kablam!    |
Nov 01 03:30:00.114 INFO kablam! 28 |     let mut result = false;
Nov 01 03:30:00.114 INFO kablam!    |             ^^^^^^
Nov 01 03:30:00.114 INFO kablam!    |
Nov 01 03:30:00.114 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Nov 01 03:30:00.114 INFO kablam! 
Nov 01 03:30:00.114 INFO kablam! warning: value assigned to `new_score` is never read
Nov 01 03:30:00.114 INFO kablam!   --> src/main.rs:63:13
Nov 01 03:30:00.114 INFO kablam!    |
Nov 01 03:30:00.114 INFO kablam! 63 |     let mut new_score = 0;
Nov 01 03:30:00.114 INFO kablam!    |             ^^^^^^^^^
Nov 01 03:30:00.114 INFO kablam! 
Nov 01 03:30:00.128 INFO kablam! warning: variable does not need to be mutable
Nov 01 03:30:00.128 INFO kablam!   --> src/main.rs:27:9
Nov 01 03:30:00.128 INFO kablam!    |
Nov 01 03:30:00.128 INFO kablam! 27 |     let mut play_again = String::new();
Nov 01 03:30:00.128 INFO kablam!    |         ----^^^^^^^^^^
Nov 01 03:30:00.128 INFO kablam!    |         |
Nov 01 03:30:00.128 INFO kablam!    |         help: remove this `mut`
Nov 01 03:30:00.128 INFO kablam!    |
Nov 01 03:30:00.128 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 01 03:30:00.128 INFO kablam! 
Nov 01 03:30:00.155 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
Nov 01 03:30:00.160 INFO kablam! su: No module specific data is present
Nov 01 03:30:00.623 INFO running `"docker" "rm" "-f" "dcd860ccedfbac86973d2d753e43b83e6d7c00b8cac97ccf50957125dc15c756"`
Nov 01 03:30:00.836 INFO blam! dcd860ccedfbac86973d2d753e43b83e6d7c00b8cac97ccf50957125dc15c756