[INFO] updating cached repository keizo042/tmll
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/keizo042/tmll
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/keizo042/tmll" "work/ex/clippy-test-run/sources/stable/gh/keizo042/tmll"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/keizo042/tmll'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/keizo042/tmll" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/keizo042/tmll"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/keizo042/tmll'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7ac88b132296ae3a60047dfd8f147db4dfbf585c
[INFO] sha for GitHub repo keizo042/tmll: 7ac88b132296ae3a60047dfd8f147db4dfbf585c
[INFO] validating manifest of keizo042/tmll 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 keizo042/tmll 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 keizo042/tmll
[INFO] finished frobbing keizo042/tmll
[INFO] frobbed toml for keizo042/tmll written to work/ex/clippy-test-run/sources/stable/gh/keizo042/tmll/Cargo.toml
[INFO] started frobbing keizo042/tmll
[INFO] finished frobbing keizo042/tmll
[INFO] frobbed toml for keizo042/tmll written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/keizo042/tmll/Cargo.toml
[INFO] crate keizo042/tmll 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 keizo042/tmll against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/keizo042/tmll:/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 -Dclippy::into_iter_on_array" "-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] 61f3c4e2a063b60e6bd88a2af41b11a6747e611e93198a99e69c1da9f1b6a4c6
[INFO] running `"docker" "start" "-a" "61f3c4e2a063b60e6bd88a2af41b11a6747e611e93198a99e69c1da9f1b6a4c6"`
[INFO] [stderr]     Checking tmll v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         return State { tape: l, ptr: i };
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `State { tape: l, ptr: i }`
[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:79:25
[INFO] [stderr]    |
[INFO] [stderr] 79 |                         return S::A;
[INFO] [stderr]    |                         ^^^^^^^^^^^^ help: remove `return` as shown: `S::A`
[INFO] [stderr]    |
[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:82:25
[INFO] [stderr]    |
[INFO] [stderr] 82 |                         return S::Acc;
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^ help: remove `return` as shown: `S::Acc`
[INFO] [stderr]    |
[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:87:25
[INFO] [stderr]    |
[INFO] [stderr] 87 |                         return S::B;
[INFO] [stderr]    |                         ^^^^^^^^^^^^ help: remove `return` as shown: `S::B`
[INFO] [stderr]    |
[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:93:25
[INFO] [stderr]    |
[INFO] [stderr] 93 |                         return S::D;
[INFO] [stderr]    |                         ^^^^^^^^^^^^ help: remove `return` as shown: `S::D`
[INFO] [stderr]    |
[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:102:25
[INFO] [stderr]     |
[INFO] [stderr] 102 |                         return S::C;
[INFO] [stderr]     |                         ^^^^^^^^^^^^ help: remove `return` as shown: `S::C`
[INFO] [stderr]     |
[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:106:25
[INFO] [stderr]     |
[INFO] [stderr] 106 |                         return S::B;
[INFO] [stderr]     |                         ^^^^^^^^^^^^ help: remove `return` as shown: `S::B`
[INFO] [stderr]     |
[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:115:25
[INFO] [stderr]     |
[INFO] [stderr] 115 |                         return S::C;
[INFO] [stderr]     |                         ^^^^^^^^^^^^ help: remove `return` as shown: `S::C`
[INFO] [stderr]     |
[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:121:25
[INFO] [stderr]     |
[INFO] [stderr] 121 |                         return S::F;
[INFO] [stderr]     |                         ^^^^^^^^^^^^ help: remove `return` as shown: `S::F`
[INFO] [stderr]     |
[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:124:25
[INFO] [stderr]     |
[INFO] [stderr] 124 |                         return S::Rej;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^ help: remove `return` as shown: `S::Rej`
[INFO] [stderr]     |
[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:133:25
[INFO] [stderr]     |
[INFO] [stderr] 133 |                         return S::E;
[INFO] [stderr]     |                         ^^^^^^^^^^^^ help: remove `return` as shown: `S::E`
[INFO] [stderr]     |
[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:137:25
[INFO] [stderr]     |
[INFO] [stderr] 137 |                         return S::D;
[INFO] [stderr]     |                         ^^^^^^^^^^^^ help: remove `return` as shown: `S::D`
[INFO] [stderr]     |
[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:146:25
[INFO] [stderr]     |
[INFO] [stderr] 146 |                         return S::E;
[INFO] [stderr]     |                         ^^^^^^^^^^^^ help: remove `return` as shown: `S::E`
[INFO] [stderr]     |
[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:152:25
[INFO] [stderr]     |
[INFO] [stderr] 152 |                         return S::F;
[INFO] [stderr]     |                         ^^^^^^^^^^^^ help: remove `return` as shown: `S::F`
[INFO] [stderr]     |
[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:155:25
[INFO] [stderr]     |
[INFO] [stderr] 155 |                         return S::Rej;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^ help: remove `return` as shown: `S::Rej`
[INFO] [stderr]     |
[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:163:25
[INFO] [stderr]     |
[INFO] [stderr] 163 |                         return S::A;
[INFO] [stderr]     |                         ^^^^^^^^^^^^ help: remove `return` as shown: `S::A`
[INFO] [stderr]     |
[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:167:25
[INFO] [stderr]     |
[INFO] [stderr] 167 |                         return S::F;
[INFO] [stderr]     |                         ^^^^^^^^^^^^ help: remove `return` as shown: `S::F`
[INFO] [stderr]     |
[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:172:17
[INFO] [stderr]     |
[INFO] [stderr] 172 |                 return S::Rej;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^ help: remove `return` as shown: `S::Rej`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]   --> src/main.rs:85:29
[INFO] [stderr]    |
[INFO] [stderr] 85 |                         let ref mut tape = self.tape;
[INFO] [stderr]    |                         ----^^^^^^^^^^^^------------- help: try: `let tape = &mut self.tape;`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::toplevel_ref_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]   --> src/main.rs:90:29
[INFO] [stderr]    |
[INFO] [stderr] 90 |                         let ref mut tape = self.tape;
[INFO] [stderr]    |                         ----^^^^^^^^^^^^------------- help: try: `let tape = &mut self.tape;`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]    --> src/main.rs:118:29
[INFO] [stderr]     |
[INFO] [stderr] 118 |                         let ref mut tape = self.tape;
[INFO] [stderr]     |                         ----^^^^^^^^^^^^------------- help: try: `let tape = &mut self.tape;`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]    --> src/main.rs:149:29
[INFO] [stderr]     |
[INFO] [stderr] 149 |                         let ref mut tape = self.tape;
[INFO] [stderr]     |                         ----^^^^^^^^^^^^------------- help: try: `let tape = &mut self.tape;`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         return State { tape: l, ptr: i };
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `State { tape: l, ptr: i }`
[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:79:25
[INFO] [stderr]    |
[INFO] [stderr] 79 |                         return S::A;
[INFO] [stderr]    |                         ^^^^^^^^^^^^ help: remove `return` as shown: `S::A`
[INFO] [stderr]    |
[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:82:25
[INFO] [stderr]    |
[INFO] [stderr] 82 |                         return S::Acc;
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^ help: remove `return` as shown: `S::Acc`
[INFO] [stderr]    |
[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:87:25
[INFO] [stderr]    |
[INFO] [stderr] 87 |                         return S::B;
[INFO] [stderr]    |                         ^^^^^^^^^^^^ help: remove `return` as shown: `S::B`
[INFO] [stderr]    |
[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:93:25
[INFO] [stderr]    |
[INFO] [stderr] 93 |                         return S::D;
[INFO] [stderr]    |                         ^^^^^^^^^^^^ help: remove `return` as shown: `S::D`
[INFO] [stderr]    |
[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:102:25
[INFO] [stderr]     |
[INFO] [stderr] 102 |                         return S::C;
[INFO] [stderr]     |                         ^^^^^^^^^^^^ help: remove `return` as shown: `S::C`
[INFO] [stderr]     |
[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:106:25
[INFO] [stderr]     |
[INFO] [stderr] 106 |                         return S::B;
[INFO] [stderr]     |                         ^^^^^^^^^^^^ help: remove `return` as shown: `S::B`
[INFO] [stderr]     |
[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:115:25
[INFO] [stderr]     |
[INFO] [stderr] 115 |                         return S::C;
[INFO] [stderr]     |                         ^^^^^^^^^^^^ help: remove `return` as shown: `S::C`
[INFO] [stderr]     |
[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:121:25
[INFO] [stderr]     |
[INFO] [stderr] 121 |                         return S::F;
[INFO] [stderr]     |                         ^^^^^^^^^^^^ help: remove `return` as shown: `S::F`
[INFO] [stderr]     |
[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:124:25
[INFO] [stderr]     |
[INFO] [stderr] 124 |                         return S::Rej;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^ help: remove `return` as shown: `S::Rej`
[INFO] [stderr]     |
[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:133:25
[INFO] [stderr]     |
[INFO] [stderr] 133 |                         return S::E;
[INFO] [stderr]     |                         ^^^^^^^^^^^^ help: remove `return` as shown: `S::E`
[INFO] [stderr]     |
[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:137:25
[INFO] [stderr]     |
[INFO] [stderr] 137 |                         return S::D;
[INFO] [stderr]     |                         ^^^^^^^^^^^^ help: remove `return` as shown: `S::D`
[INFO] [stderr]     |
[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:146:25
[INFO] [stderr]     |
[INFO] [stderr] 146 |                         return S::E;
[INFO] [stderr]     |                         ^^^^^^^^^^^^ help: remove `return` as shown: `S::E`
[INFO] [stderr]     |
[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:152:25
[INFO] [stderr]     |
[INFO] [stderr] 152 |                         return S::F;
[INFO] [stderr]     |                         ^^^^^^^^^^^^ help: remove `return` as shown: `S::F`
[INFO] [stderr]     |
[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:155:25
[INFO] [stderr]     |
[INFO] [stderr] 155 |                         return S::Rej;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^ help: remove `return` as shown: `S::Rej`
[INFO] [stderr]     |
[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:163:25
[INFO] [stderr]     |
[INFO] [stderr] 163 |                         return S::A;
[INFO] [stderr]     |                         ^^^^^^^^^^^^ help: remove `return` as shown: `S::A`
[INFO] [stderr]     |
[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:167:25
[INFO] [stderr]     |
[INFO] [stderr] 167 |                         return S::F;
[INFO] [stderr]     |                         ^^^^^^^^^^^^ help: remove `return` as shown: `S::F`
[INFO] [stderr]     |
[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:172:17
[INFO] [stderr]     |
[INFO] [stderr] 172 |                 return S::Rej;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^ help: remove `return` as shown: `S::Rej`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]   --> src/main.rs:85:29
[INFO] [stderr]    |
[INFO] [stderr] 85 |                         let ref mut tape = self.tape;
[INFO] [stderr]    |                         ----^^^^^^^^^^^^------------- help: try: `let tape = &mut self.tape;`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::toplevel_ref_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]   --> src/main.rs:90:29
[INFO] [stderr]    |
[INFO] [stderr] 90 |                         let ref mut tape = self.tape;
[INFO] [stderr]    |                         ----^^^^^^^^^^^^------------- help: try: `let tape = &mut self.tape;`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]    --> src/main.rs:118:29
[INFO] [stderr]     |
[INFO] [stderr] 118 |                         let ref mut tape = self.tape;
[INFO] [stderr]     |                         ----^^^^^^^^^^^^------------- help: try: `let tape = &mut self.tape;`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]    --> src/main.rs:149:29
[INFO] [stderr]     |
[INFO] [stderr] 149 |                         let ref mut tape = self.tape;
[INFO] [stderr]     |                         ----^^^^^^^^^^^^------------- help: try: `let tape = &mut self.tape;`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `"docker" "inspect" "61f3c4e2a063b60e6bd88a2af41b11a6747e611e93198a99e69c1da9f1b6a4c6"`
[INFO] running `"docker" "rm" "-f" "61f3c4e2a063b60e6bd88a2af41b11a6747e611e93198a99e69c1da9f1b6a4c6"`
[INFO] [stdout] 61f3c4e2a063b60e6bd88a2af41b11a6747e611e93198a99e69c1da9f1b6a4c6