Dec 19 16:21:45.203 INFO checking gsfellis/rust-hangman against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 16:21:45.203 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/gsfellis/rust-hangman:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 16:21:45.416 INFO [stdout] a12c9b17238f69244a5d35a656dd55be63b575304677e78871411314ac879bc7
Dec 19 16:21:45.419 INFO running `"docker" "start" "-a" "a12c9b17238f69244a5d35a656dd55be63b575304677e78871411314ac879bc7"`
Dec 19 16:21:46.040 INFO [stderr]     Checking rust-hangman v0.1.0 (/opt/crater/workdir)
Dec 19 16:21:46.275 INFO [stderr] warning: unused variable: `word`
Dec 19 16:21:46.275 INFO [stderr]   --> src/main.rs:79:16
Dec 19 16:21:46.275 INFO [stderr]    |
Dec 19 16:21:46.275 INFO [stderr] 79 | fn update_word(word: &str, guess: &char) {
Dec 19 16:21:46.275 INFO [stderr]    |                ^^^^ help: consider using `_word` instead
Dec 19 16:21:46.275 INFO [stderr]    |
Dec 19 16:21:46.275 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 16:21:46.275 INFO [stderr] 
Dec 19 16:21:46.275 INFO [stderr] warning: unused variable: `guess`
Dec 19 16:21:46.275 INFO [stderr]   --> src/main.rs:79:28
Dec 19 16:21:46.275 INFO [stderr]    |
Dec 19 16:21:46.275 INFO [stderr] 79 | fn update_word(word: &str, guess: &char) {
Dec 19 16:21:46.275 INFO [stderr]    |                            ^^^^^ help: consider using `_guess` instead
Dec 19 16:21:46.275 INFO [stderr] 
Dec 19 16:21:46.290 INFO [stderr] warning: unused variable: `word`
Dec 19 16:21:46.290 INFO [stderr]   --> src/main.rs:79:16
Dec 19 16:21:46.290 INFO [stderr]    |
Dec 19 16:21:46.290 INFO [stderr] 79 | fn update_word(word: &str, guess: &char) {
Dec 19 16:21:46.290 INFO [stderr]    |                ^^^^ help: consider using `_word` instead
Dec 19 16:21:46.290 INFO [stderr]    |
Dec 19 16:21:46.290 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 16:21:46.290 INFO [stderr] 
Dec 19 16:21:46.290 INFO [stderr] warning: unused variable: `guess`
Dec 19 16:21:46.290 INFO [stderr]   --> src/main.rs:79:28
Dec 19 16:21:46.290 INFO [stderr]    |
Dec 19 16:21:46.290 INFO [stderr] 79 | fn update_word(word: &str, guess: &char) {
Dec 19 16:21:46.290 INFO [stderr]    |                            ^^^^^ help: consider using `_guess` instead
Dec 19 16:21:46.290 INFO [stderr] 
Dec 19 16:21:46.292 INFO [stderr] warning: variable does not need to be mutable
Dec 19 16:21:46.292 INFO [stderr]   --> src/main.rs:91:9
Dec 19 16:21:46.292 INFO [stderr]    |
Dec 19 16:21:46.292 INFO [stderr] 91 |     let mut gallow = build_gallow();
Dec 19 16:21:46.292 INFO [stderr]    |         ----^^^^^^
Dec 19 16:21:46.292 INFO [stderr]    |         |
Dec 19 16:21:46.292 INFO [stderr]    |         help: remove this `mut`
Dec 19 16:21:46.292 INFO [stderr]    |
Dec 19 16:21:46.292 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 16:21:46.292 INFO [stderr] 
Dec 19 16:21:46.292 INFO [stderr] warning: function is never used: `update_word`
Dec 19 16:21:46.292 INFO [stderr]   --> src/main.rs:79:1
Dec 19 16:21:46.292 INFO [stderr]    |
Dec 19 16:21:46.292 INFO [stderr] 79 | fn update_word(word: &str, guess: &char) {
Dec 19 16:21:46.292 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:21:46.292 INFO [stderr]    |
Dec 19 16:21:46.292 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 16:21:46.292 INFO [stderr] 
Dec 19 16:21:46.302 INFO [stderr] warning: variable does not need to be mutable
Dec 19 16:21:46.303 INFO [stderr]   --> src/main.rs:91:9
Dec 19 16:21:46.303 INFO [stderr]    |
Dec 19 16:21:46.303 INFO [stderr] 91 |     let mut gallow = build_gallow();
Dec 19 16:21:46.303 INFO [stderr]    |         ----^^^^^^
Dec 19 16:21:46.303 INFO [stderr]    |         |
Dec 19 16:21:46.303 INFO [stderr]    |         help: remove this `mut`
Dec 19 16:21:46.303 INFO [stderr]    |
Dec 19 16:21:46.303 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 16:21:46.303 INFO [stderr] 
Dec 19 16:21:46.303 INFO [stderr] warning: function is never used: `update_word`
Dec 19 16:21:46.303 INFO [stderr]   --> src/main.rs:79:1
Dec 19 16:21:46.303 INFO [stderr]    |
Dec 19 16:21:46.303 INFO [stderr] 79 | fn update_word(word: &str, guess: &char) {
Dec 19 16:21:46.303 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:21:46.303 INFO [stderr]    |
Dec 19 16:21:46.303 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 16:21:46.303 INFO [stderr] 
Dec 19 16:21:46.329 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
Dec 19 16:21:46.618 INFO running `"docker" "inspect" "a12c9b17238f69244a5d35a656dd55be63b575304677e78871411314ac879bc7"`
Dec 19 16:21:46.727 INFO running `"docker" "rm" "-f" "a12c9b17238f69244a5d35a656dd55be63b575304677e78871411314ac879bc7"`
Dec 19 16:21:46.836 INFO [stdout] a12c9b17238f69244a5d35a656dd55be63b575304677e78871411314ac879bc7