[INFO] updating cached repository liamross/rust_guessing_game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/liamross/rust_guessing_game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/liamross/rust_guessing_game" "work/ex/clippy-test-run/sources/stable/gh/liamross/rust_guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/liamross/rust_guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/liamross/rust_guessing_game" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/liamross/rust_guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/liamross/rust_guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2f97fd5ea8300b684ef10eb3982353c2f051a464
[INFO] sha for GitHub repo liamross/rust_guessing_game: 2f97fd5ea8300b684ef10eb3982353c2f051a464
[INFO] validating manifest of liamross/rust_guessing_game on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of liamross/rust_guessing_game on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing liamross/rust_guessing_game
[INFO] finished frobbing liamross/rust_guessing_game
[INFO] frobbed toml for liamross/rust_guessing_game written to work/ex/clippy-test-run/sources/stable/gh/liamross/rust_guessing_game/Cargo.toml
[INFO] started frobbing liamross/rust_guessing_game
[INFO] finished frobbing liamross/rust_guessing_game
[INFO] frobbed toml for liamross/rust_guessing_game written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/liamross/rust_guessing_game/Cargo.toml
[INFO] crate liamross/rust_guessing_game has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting liamross/rust_guessing_game against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/liamross/rust_guessing_game:/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" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] df279e5fbf02bcb0d12aca1a571453558a91ae801b8c37dbdef098f7fe51d371
[INFO] running `"docker" "start" "-a" "df279e5fbf02bcb0d12aca1a571453558a91ae801b8c37dbdef098f7fe51d371"`
[INFO] [stderr]     Checking guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:157:5
[INFO] [stderr]     |
[INFO] [stderr] 157 | /     return match input.trim().parse() {
[INFO] [stderr] 158 | |         Ok(num) => Ok(num),
[INFO] [stderr] 159 | |         Err(_) => {
[INFO] [stderr] 160 | |             if input.trim() == "quit" {
[INFO] [stderr] ...   |
[INFO] [stderr] 165 | |         }
[INFO] [stderr] 166 | |     };
[INFO] [stderr]     | |______^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 157 |     match input.trim().parse() {
[INFO] [stderr] 158 |         Ok(num) => Ok(num),
[INFO] [stderr] 159 |         Err(_) => {
[INFO] [stderr] 160 |             if input.trim() == "quit" {
[INFO] [stderr] 161 |                 return Err(true);
[INFO] [stderr] 162 |             };
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:157:5
[INFO] [stderr]     |
[INFO] [stderr] 157 | /     return match input.trim().parse() {
[INFO] [stderr] 158 | |         Ok(num) => Ok(num),
[INFO] [stderr] 159 | |         Err(_) => {
[INFO] [stderr] 160 | |             if input.trim() == "quit" {
[INFO] [stderr] ...   |
[INFO] [stderr] 165 | |         }
[INFO] [stderr] 166 | |     };
[INFO] [stderr]     | |______^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 157 |     match input.trim().parse() {
[INFO] [stderr] 158 |         Ok(num) => Ok(num),
[INFO] [stderr] 159 |         Err(_) => {
[INFO] [stderr] 160 |             if input.trim() == "quit" {
[INFO] [stderr] 161 |                 return Err(true);
[INFO] [stderr] 162 |             };
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `"docker" "inspect" "df279e5fbf02bcb0d12aca1a571453558a91ae801b8c37dbdef098f7fe51d371"`
[INFO] running `"docker" "rm" "-f" "df279e5fbf02bcb0d12aca1a571453558a91ae801b8c37dbdef098f7fe51d371"`
[INFO] [stdout] df279e5fbf02bcb0d12aca1a571453558a91ae801b8c37dbdef098f7fe51d371