[INFO] updating cached repository seifriedc/blackjack-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/seifriedc/blackjack-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/seifriedc/blackjack-rust" "work/ex/clippy-test-run/sources/stable/gh/seifriedc/blackjack-rust"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/seifriedc/blackjack-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/seifriedc/blackjack-rust" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/seifriedc/blackjack-rust"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/seifriedc/blackjack-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7e43a6c4a9bda67ced5570244b009e00dc166408
[INFO] sha for GitHub repo seifriedc/blackjack-rust: 7e43a6c4a9bda67ced5570244b009e00dc166408
[INFO] validating manifest of seifriedc/blackjack-rust 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 seifriedc/blackjack-rust 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 seifriedc/blackjack-rust
[INFO] finished frobbing seifriedc/blackjack-rust
[INFO] frobbed toml for seifriedc/blackjack-rust written to work/ex/clippy-test-run/sources/stable/gh/seifriedc/blackjack-rust/Cargo.toml
[INFO] started frobbing seifriedc/blackjack-rust
[INFO] finished frobbing seifriedc/blackjack-rust
[INFO] frobbed toml for seifriedc/blackjack-rust written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/seifriedc/blackjack-rust/Cargo.toml
[INFO] crate seifriedc/blackjack-rust 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 seifriedc/blackjack-rust against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/seifriedc/blackjack-rust:/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] 2bc9e90143f16859d1ffbb70116a46769f783e3949063f489d0a0cf1dccbca1d
[INFO] running `"docker" "start" "-a" "2bc9e90143f16859d1ffbb70116a46769f783e3949063f489d0a0cf1dccbca1d"`
[INFO] [stderr]     Checking blackjack v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:130:5
[INFO] [stderr]     |
[INFO] [stderr] 130 |     return temp;
[INFO] [stderr]     |     ^^^^^^^^^^^^ help: remove `return` as shown: `temp`
[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] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:130:5
[INFO] [stderr]     |
[INFO] [stderr] 130 |     return temp;
[INFO] [stderr]     |     ^^^^^^^^^^^^ help: remove `return` as shown: `temp`
[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] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/main.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |             self.hand = self.hand - (self.num_aces * 10);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.hand -= (self.num_aces * 10)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/main.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |             self.hand = self.hand - (self.num_aces * 10);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.hand -= (self.num_aces * 10)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `"docker" "inspect" "2bc9e90143f16859d1ffbb70116a46769f783e3949063f489d0a0cf1dccbca1d"`
[INFO] running `"docker" "rm" "-f" "2bc9e90143f16859d1ffbb70116a46769f783e3949063f489d0a0cf1dccbca1d"`
[INFO] [stdout] 2bc9e90143f16859d1ffbb70116a46769f783e3949063f489d0a0cf1dccbca1d