[INFO] crate brainpreter 0.1.0 is already in cache
[INFO] extracting crate brainpreter 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/brainpreter/0.1.0
[INFO] extracting crate brainpreter 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/brainpreter/0.1.0
[INFO] validating manifest of brainpreter-0.1.0 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 brainpreter-0.1.0 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 brainpreter-0.1.0
[INFO] finished frobbing brainpreter-0.1.0
[INFO] frobbed toml for brainpreter-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/brainpreter/0.1.0/Cargo.toml
[INFO] started frobbing brainpreter-0.1.0
[INFO] finished frobbing brainpreter-0.1.0
[INFO] frobbed toml for brainpreter-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/brainpreter/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 brainpreter-0.1.0 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-6/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/reg/brainpreter/0.1.0:/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] 54556a988226dc62ca41a3fe8946214f1294fe2d3ed2fa377c33db3ce6bc7868
[INFO] running `"docker" "start" "-a" "54556a988226dc62ca41a3fe8946214f1294fe2d3ed2fa377c33db3ce6bc7868"`
[INFO] [stderr]     Checking brainpreter v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/core/program.rs:107:9
[INFO] [stderr]     |
[INFO] [stderr] 107 | /         return match self.instr.pop() {
[INFO] [stderr] 108 | | 
[INFO] [stderr] 109 | |             Some(_) => {
[INFO] [stderr] 110 | |                 
[INFO] [stderr] ...   |
[INFO] [stderr] 122 | | 
[INFO] [stderr] 123 | |         }
[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] 107 |         match self.instr.pop() {
[INFO] [stderr] 108 | 
[INFO] [stderr] 109 |             Some(_) => {
[INFO] [stderr] 110 |                 
[INFO] [stderr] 111 |                 if self.ptr >= self.instr.len() {
[INFO] [stderr] 112 |                     if self.ptr > 0 {
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: this if statement can be collapsed
[INFO] [stderr]    --> src/core/program.rs:111:17
[INFO] [stderr]     |
[INFO] [stderr] 111 | /                 if self.ptr >= self.instr.len() {
[INFO] [stderr] 112 | |                     if self.ptr > 0 {
[INFO] [stderr] 113 | |                         self.ptr -= 1;
[INFO] [stderr] 114 | |                     }
[INFO] [stderr] 115 | |                 }
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 111 |                 if self.ptr >= self.instr.len() && self.ptr > 0 {
[INFO] [stderr] 112 |     self.ptr -= 1;
[INFO] [stderr] 113 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/core/program.rs:157:9
[INFO] [stderr]     |
[INFO] [stderr] 157 |         return true;
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: remove `return` as shown: `true`
[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/core/parser.rs:146:9
[INFO] [stderr]     |
[INFO] [stderr] 146 |         return Result::Ok(prog);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Result::Ok(prog)`
[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/lib.rs:102:9
[INFO] [stderr]     |
[INFO] [stderr] 102 |         return Result::Ok(());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Result::Ok(())`
[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/core/program.rs:107:9
[INFO] [stderr]     |
[INFO] [stderr] 107 | /         return match self.instr.pop() {
[INFO] [stderr] 108 | | 
[INFO] [stderr] 109 | |             Some(_) => {
[INFO] [stderr] 110 | |                 
[INFO] [stderr] ...   |
[INFO] [stderr] 122 | | 
[INFO] [stderr] 123 | |         }
[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] 107 |         match self.instr.pop() {
[INFO] [stderr] 108 | 
[INFO] [stderr] 109 |             Some(_) => {
[INFO] [stderr] 110 |                 
[INFO] [stderr] 111 |                 if self.ptr >= self.instr.len() {
[INFO] [stderr] 112 |                     if self.ptr > 0 {
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: this if statement can be collapsed
[INFO] [stderr]    --> src/core/program.rs:111:17
[INFO] [stderr]     |
[INFO] [stderr] 111 | /                 if self.ptr >= self.instr.len() {
[INFO] [stderr] 112 | |                     if self.ptr > 0 {
[INFO] [stderr] 113 | |                         self.ptr -= 1;
[INFO] [stderr] 114 | |                     }
[INFO] [stderr] 115 | |                 }
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 111 |                 if self.ptr >= self.instr.len() && self.ptr > 0 {
[INFO] [stderr] 112 |     self.ptr -= 1;
[INFO] [stderr] 113 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/core/program.rs:157:9
[INFO] [stderr]     |
[INFO] [stderr] 157 |         return true;
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: remove `return` as shown: `true`
[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/core/parser.rs:146:9
[INFO] [stderr]     |
[INFO] [stderr] 146 |         return Result::Ok(prog);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Result::Ok(prog)`
[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/lib.rs:102:9
[INFO] [stderr]     |
[INFO] [stderr] 102 |         return Result::Ok(());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Result::Ok(())`
[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: length comparison to zero
[INFO] [stderr]   --> src/core/program.rs:66:12
[INFO] [stderr]    |
[INFO] [stderr] 66 |         if self.instr.len() > 0 { Option::Some(self.instr[self.ptr]) } else { Option::None }
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.instr.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/core/program.rs:151:12
[INFO] [stderr]     |
[INFO] [stderr] 151 |         if self.instr.len() == 0 || pos >= self.instr.len() {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.instr.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/core/parser.rs:78:12
[INFO] [stderr]    |
[INFO] [stderr] 78 |         if self.code_buffer.len() != 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.code_buffer.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `Inter`
[INFO] [stderr]   --> src/lib.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | /     pub fn new() -> Inter {
[INFO] [stderr] 26 | |
[INFO] [stderr] 27 | |         Inter {
[INFO] [stderr] 28 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 34 | |
[INFO] [stderr] 35 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 22 | impl Default for Inter {
[INFO] [stderr] 23 |     fn default() -> Self {
[INFO] [stderr] 24 |         Self::new()
[INFO] [stderr] 25 |     }
[INFO] [stderr] 26 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/lib.rs:137:9
[INFO] [stderr]     |
[INFO] [stderr] 137 | /         match io::stdin().bytes().next() {
[INFO] [stderr] 138 | |
[INFO] [stderr] 139 | |             Some(v) => self.tape.set_val(v.unwrap()),
[INFO] [stderr] 140 | |
[INFO] [stderr] 141 | |             None => {  }
[INFO] [stderr] 142 | |
[INFO] [stderr] 143 | |         }
[INFO] [stderr]     | |_________^ help: try this: `if let Some(v) = io::stdin().bytes().next() { self.tape.set_val(v.unwrap()) }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/core/program.rs:66:12
[INFO] [stderr]    |
[INFO] [stderr] 66 |         if self.instr.len() > 0 { Option::Some(self.instr[self.ptr]) } else { Option::None }
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.instr.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/core/program.rs:151:12
[INFO] [stderr]     |
[INFO] [stderr] 151 |         if self.instr.len() == 0 || pos >= self.instr.len() {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.instr.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/core/parser.rs:78:12
[INFO] [stderr]    |
[INFO] [stderr] 78 |         if self.code_buffer.len() != 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.code_buffer.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `Inter`
[INFO] [stderr]   --> src/lib.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | /     pub fn new() -> Inter {
[INFO] [stderr] 26 | |
[INFO] [stderr] 27 | |         Inter {
[INFO] [stderr] 28 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 34 | |
[INFO] [stderr] 35 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 22 | impl Default for Inter {
[INFO] [stderr] 23 |     fn default() -> Self {
[INFO] [stderr] 24 |         Self::new()
[INFO] [stderr] 25 |     }
[INFO] [stderr] 26 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/lib.rs:137:9
[INFO] [stderr]     |
[INFO] [stderr] 137 | /         match io::stdin().bytes().next() {
[INFO] [stderr] 138 | |
[INFO] [stderr] 139 | |             Some(v) => self.tape.set_val(v.unwrap()),
[INFO] [stderr] 140 | |
[INFO] [stderr] 141 | |             None => {  }
[INFO] [stderr] 142 | |
[INFO] [stderr] 143 | |         }
[INFO] [stderr]     | |_________^ help: try this: `if let Some(v) = io::stdin().bytes().next() { self.tape.set_val(v.unwrap()) }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "54556a988226dc62ca41a3fe8946214f1294fe2d3ed2fa377c33db3ce6bc7868"`
[INFO] running `"docker" "rm" "-f" "54556a988226dc62ca41a3fe8946214f1294fe2d3ed2fa377c33db3ce6bc7868"`
[INFO] [stdout] 54556a988226dc62ca41a3fe8946214f1294fe2d3ed2fa377c33db3ce6bc7868