Oct 12 20:04:37.461 INFO checking jakegornall/guessing_game against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 20:04:37.461 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-3/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 12 20:04:37.665 INFO blam! dba88778f853a24bcaf2f0329fac6b42e44e82df85105084d0ccabaf4f689add
Oct 12 20:04:37.670 INFO running `"docker" "start" "-a" "dba88778f853a24bcaf2f0329fac6b42e44e82df85105084d0ccabaf4f689add"`
Oct 12 20:04:38.080 INFO kablam! usermod: no changes
Oct 12 20:04:38.118 INFO kablam!     Checking guessing_game v0.1.0 (/source)
Oct 12 20:04:38.502 INFO kablam! warning: unused variable: `play_again`
Oct 12 20:04:38.503 INFO kablam!   --> src/main.rs:27:13
Oct 12 20:04:38.503 INFO kablam!    |
Oct 12 20:04:38.503 INFO kablam! 27 |     let mut play_again = String::new();
Oct 12 20:04:38.504 INFO kablam!    |             ^^^^^^^^^^ help: consider using `_play_again` instead
Oct 12 20:04:38.504 INFO kablam!    |
Oct 12 20:04:38.504 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 20:04:38.505 INFO kablam! 
Oct 12 20:04:38.505 INFO kablam! warning: value assigned to `result` is never read
Oct 12 20:04:38.505 INFO kablam!   --> src/main.rs:28:13
Oct 12 20:04:38.506 INFO kablam!    |
Oct 12 20:04:38.506 INFO kablam! 28 |     let mut result = false;
Oct 12 20:04:38.506 INFO kablam!    |             ^^^^^^
Oct 12 20:04:38.506 INFO kablam!    |
Oct 12 20:04:38.507 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Oct 12 20:04:38.507 INFO kablam! 
Oct 12 20:04:38.507 INFO kablam! warning: value assigned to `new_score` is never read
Oct 12 20:04:38.507 INFO kablam!   --> src/main.rs:63:13
Oct 12 20:04:38.508 INFO kablam!    |
Oct 12 20:04:38.509 INFO kablam! 63 |     let mut new_score = 0;
Oct 12 20:04:38.509 INFO kablam!    |             ^^^^^^^^^
Oct 12 20:04:38.509 INFO kablam! 
Oct 12 20:04:38.509 INFO kablam! warning: unused variable: `play_again`
Oct 12 20:04:38.509 INFO kablam!   --> src/main.rs:27:13
Oct 12 20:04:38.509 INFO kablam!    |
Oct 12 20:04:38.509 INFO kablam! 27 |     let mut play_again = String::new();
Oct 12 20:04:38.509 INFO kablam!    |             ^^^^^^^^^^ help: consider using `_play_again` instead
Oct 12 20:04:38.509 INFO kablam!    |
Oct 12 20:04:38.509 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 20:04:38.509 INFO kablam! 
Oct 12 20:04:38.509 INFO kablam! warning: value assigned to `result` is never read
Oct 12 20:04:38.509 INFO kablam!   --> src/main.rs:28:13
Oct 12 20:04:38.509 INFO kablam!    |
Oct 12 20:04:38.509 INFO kablam! 28 |     let mut result = false;
Oct 12 20:04:38.509 INFO kablam!    |             ^^^^^^
Oct 12 20:04:38.509 INFO kablam!    |
Oct 12 20:04:38.509 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Oct 12 20:04:38.509 INFO kablam! 
Oct 12 20:04:38.509 INFO kablam! warning: value assigned to `new_score` is never read
Oct 12 20:04:38.509 INFO kablam!   --> src/main.rs:63:13
Oct 12 20:04:38.509 INFO kablam!    |
Oct 12 20:04:38.509 INFO kablam! 63 |     let mut new_score = 0;
Oct 12 20:04:38.509 INFO kablam!    |             ^^^^^^^^^
Oct 12 20:04:38.509 INFO kablam! 
Oct 12 20:04:38.509 INFO kablam! warning: variable does not need to be mutable
Oct 12 20:04:38.509 INFO kablam!   --> src/main.rs:27:9
Oct 12 20:04:38.509 INFO kablam!    |
Oct 12 20:04:38.509 INFO kablam! 27 |     let mut play_again = String::new();
Oct 12 20:04:38.510 INFO kablam!    |         ----^^^^^^^^^^
Oct 12 20:04:38.510 INFO kablam!    |         |
Oct 12 20:04:38.510 INFO kablam!    |         help: remove this `mut`
Oct 12 20:04:38.510 INFO kablam!    |
Oct 12 20:04:38.510 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 20:04:38.510 INFO kablam! 
Oct 12 20:04:38.516 INFO kablam! warning: variable does not need to be mutable
Oct 12 20:04:38.516 INFO kablam!   --> src/main.rs:27:9
Oct 12 20:04:38.516 INFO kablam!    |
Oct 12 20:04:38.516 INFO kablam! 27 |     let mut play_again = String::new();
Oct 12 20:04:38.516 INFO kablam!    |         ----^^^^^^^^^^
Oct 12 20:04:38.516 INFO kablam!    |         |
Oct 12 20:04:38.516 INFO kablam!    |         help: remove this `mut`
Oct 12 20:04:38.516 INFO kablam!    |
Oct 12 20:04:38.516 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 20:04:38.516 INFO kablam! 
Oct 12 20:04:38.530 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
Oct 12 20:04:38.533 INFO kablam! su: No module specific data is present
Oct 12 20:04:38.813 INFO running `"docker" "rm" "-f" "dba88778f853a24bcaf2f0329fac6b42e44e82df85105084d0ccabaf4f689add"`
Oct 12 20:04:38.968 INFO blam! dba88778f853a24bcaf2f0329fac6b42e44e82df85105084d0ccabaf4f689add