[INFO] updating cached repository ShaunKarran/cab403-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ShaunKarran/cab403-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ShaunKarran/cab403-rs" "work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/ShaunKarran/cab403-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/ShaunKarran/cab403-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ShaunKarran/cab403-rs" "work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/ShaunKarran/cab403-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/ShaunKarran/cab403-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6b2d984ec05b6180360b84870ed5bfebad85607f
[INFO] sha for GitHub repo ShaunKarran/cab403-rs: 6b2d984ec05b6180360b84870ed5bfebad85607f
[INFO] validating manifest of ShaunKarran/cab403-rs on toolchain master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ShaunKarran/cab403-rs on toolchain try#bad365140e1e8233b42b21af70a407f14ce5fec5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ShaunKarran/cab403-rs
[INFO] finished frobbing ShaunKarran/cab403-rs
[INFO] frobbed toml for ShaunKarran/cab403-rs written to work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/ShaunKarran/cab403-rs/Cargo.toml
[INFO] started frobbing ShaunKarran/cab403-rs
[INFO] finished frobbing ShaunKarran/cab403-rs
[INFO] frobbed toml for ShaunKarran/cab403-rs written to work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/ShaunKarran/cab403-rs/Cargo.toml
[INFO] crate ShaunKarran/cab403-rs has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ShaunKarran/cab403-rs against master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980 for pr-56896
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56896/worker-2/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/ShaunKarran/cab403-rs:/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" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b2a27392ac9086e2c486b0d6805c3b5603b4c063cfffba78598afa2b9c8dad7b
[INFO] running `"docker" "start" "-a" "b2a27392ac9086e2c486b0d6805c3b5603b4c063cfffba78598afa2b9c8dad7b"`
[INFO] [stderr]     Checking bincode v0.9.2
[INFO] [stderr]     Checking simplelog v0.4.2
[INFO] [stderr]     Checking threadpool v1.7.0
[INFO] [stderr]     Checking clap v2.26.2
[INFO] [stderr]     Checking cab403-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `super::Game`
[INFO] [stderr]   --> src/hangman.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |     use super::Game;
[INFO] [stderr]    |         ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `word_set`
[INFO] [stderr]   --> src/hangman.rs:28:20
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn select_word(word_set: HashSet<String>) -> String {
[INFO] [stderr]    |                    ^^^^^^^^ help: consider using `_word_set` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `word_set`
[INFO] [stderr]   --> src/hangman.rs:28:20
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn select_word(word_set: HashSet<String>) -> String {
[INFO] [stderr]    |                    ^^^^^^^^ help: consider using `_word_set` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `word`
[INFO] [stderr]  --> src/hangman.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     word: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `word_character_set`
[INFO] [stderr]  --> src/hangman.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     word_character_set: HashSet<char>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `number_allowed_guesses`
[INFO] [stderr]  --> src/hangman.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     number_allowed_guesses: usize,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `word`
[INFO] [stderr]  --> src/hangman.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     word: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `word_character_set`
[INFO] [stderr]  --> src/hangman.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     word_character_set: HashSet<char>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `number_allowed_guesses`
[INFO] [stderr]  --> src/hangman.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     number_allowed_guesses: usize,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ServerMessage`, `State`
[INFO] [stderr]   --> src/bin/server.rs:19:50
[INFO] [stderr]    |
[INFO] [stderr] 19 | use cab403_rs::communication::{Command, Message, ServerMessage, Selection, State, encode_and_write, read_and_decode};
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^             ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ServerMessage`, `State`
[INFO] [stderr]   --> src/bin/server.rs:19:50
[INFO] [stderr]    |
[INFO] [stderr] 19 | use cab403_rs::communication::{Command, Message, ServerMessage, Selection, State, encode_and_write, read_and_decode};
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^             ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.98s
[INFO] running `"docker" "inspect" "b2a27392ac9086e2c486b0d6805c3b5603b4c063cfffba78598afa2b9c8dad7b"`
[INFO] running `"docker" "rm" "-f" "b2a27392ac9086e2c486b0d6805c3b5603b4c063cfffba78598afa2b9c8dad7b"`
[INFO] [stdout] b2a27392ac9086e2c486b0d6805c3b5603b4c063cfffba78598afa2b9c8dad7b