[INFO] updating cached repository TuringDisciple/AnotherTBCompiler
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/TuringDisciple/AnotherTBCompiler
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/TuringDisciple/AnotherTBCompiler" "work/ex/clippy-test-run/sources/stable/gh/TuringDisciple/AnotherTBCompiler"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/TuringDisciple/AnotherTBCompiler'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/TuringDisciple/AnotherTBCompiler" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/TuringDisciple/AnotherTBCompiler"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/TuringDisciple/AnotherTBCompiler'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b82ba38750e5905cfffe437ed21471296201167a
[INFO] sha for GitHub repo TuringDisciple/AnotherTBCompiler: b82ba38750e5905cfffe437ed21471296201167a
[INFO] validating manifest of TuringDisciple/AnotherTBCompiler 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 TuringDisciple/AnotherTBCompiler 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 TuringDisciple/AnotherTBCompiler
[INFO] finished frobbing TuringDisciple/AnotherTBCompiler
[INFO] frobbed toml for TuringDisciple/AnotherTBCompiler written to work/ex/clippy-test-run/sources/stable/gh/TuringDisciple/AnotherTBCompiler/Cargo.toml
[INFO] started frobbing TuringDisciple/AnotherTBCompiler
[INFO] finished frobbing TuringDisciple/AnotherTBCompiler
[INFO] frobbed toml for TuringDisciple/AnotherTBCompiler written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/TuringDisciple/AnotherTBCompiler/Cargo.toml
[INFO] crate TuringDisciple/AnotherTBCompiler 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 TuringDisciple/AnotherTBCompiler 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/TuringDisciple/AnotherTBCompiler:/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] a6dbd68a53b7baeb79d039635e120caa0ce9d396fade250b20f9c727504d326b
[INFO] running `"docker" "start" "-a" "a6dbd68a53b7baeb79d039635e120caa0ce9d396fade250b20f9c727504d326b"`
[INFO] [stderr]     Checking tb-vm-compiler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]  --> src/lexer.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     buffered_reader
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]  --> src/lexer.rs:8:27
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let buffered_reader = BufReader::new(f);
[INFO] [stderr]   |                           ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line_tag`
[INFO] [stderr]   --> src/parser.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let mut line_tag: Token;
[INFO] [stderr]    |             ^^^^^^^^ help: consider using `_line_tag` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parser.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let mut line_tag: Token;
[INFO] [stderr]    |         ----^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `StringToken`
[INFO] [stderr]  --> src/parser.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | type StringToken = Token;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `ExprList`
[INFO] [stderr]  --> src/parser.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | type ExprList = Vec<Either<StringToken, Expr>>;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: equality checks against true are unnecessary
[INFO] [stderr]   --> src/lexer.rs:45:12
[INFO] [stderr]    |
[INFO] [stderr] 45 |         if skip == true { 
[INFO] [stderr]    |            ^^^^^^^^^^^^ help: try simplifying it as shown: `skip`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::bool_comparison)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stderr] 
[INFO] [stderr] warning: this loop could be written as a `while let` loop
[INFO] [stderr]   --> src/lexer.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 | /     loop {
[INFO] [stderr] 88 | |         match chars.next() {
[INFO] [stderr] 89 | |             Some(value) => {
[INFO] [stderr] 90 | |                 match value {
[INFO] [stderr] ...  |
[INFO] [stderr] 96 | |         }
[INFO] [stderr] 97 | |     }
[INFO] [stderr]    | |_____^ help: try: `while let Some(value) = chars.next() { .. }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::while_let_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_loop
[INFO] [stderr] 
[INFO] [stderr] warning: this loop could be written as a `while let` loop
[INFO] [stderr]    --> src/lexer.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 | /     loop {
[INFO] [stderr] 105 | |         match chars.next() {
[INFO] [stderr] 106 | |             Some(value) => {
[INFO] [stderr] 107 | |                 match value {
[INFO] [stderr] ...   |
[INFO] [stderr] 113 | |         }
[INFO] [stderr] 114 | |     }
[INFO] [stderr]     | |_____^ help: try: `while let Some(value) = chars.next() { .. }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_loop
[INFO] [stderr] 
[INFO] [stderr] warning: this loop could be written as a `while let` loop
[INFO] [stderr]    --> src/lexer.rs:139:5
[INFO] [stderr]     |
[INFO] [stderr] 139 | /     loop {
[INFO] [stderr] 140 | |         match chars.next() {
[INFO] [stderr] 141 | |             Some(value) => {
[INFO] [stderr] 142 | |                 match value {
[INFO] [stderr] ...   |
[INFO] [stderr] 148 | |         }
[INFO] [stderr] 149 | |     }
[INFO] [stderr]     | |_____^ help: try: `while let Some(value) = chars.next() { .. }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_loop
[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/parser.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 | /         match tok {
[INFO] [stderr] 31 | |             Token::KEYWORD(w) => {
[INFO] [stderr] 32 | |                 match w {
[INFO] [stderr] 33 | |                     Word::END    => lines.push((None, Stmt::EndStmt)),
[INFO] [stderr] ...  |
[INFO] [stderr] 41 | |             _ => ()
[INFO] [stderr] 42 | |         }
[INFO] [stderr]    | |_________^
[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] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 30 |         if let Token::KEYWORD(w) = tok {
[INFO] [stderr] 31 |     match w {
[INFO] [stderr] 32 |         Word::END    => lines.push((None, Stmt::EndStmt)),
[INFO] [stderr] 33 |         Word::RUN    => lines.push((None, Stmt::RunStmt)),
[INFO] [stderr] 34 |         Word::LIST   => lines.push((None, Stmt::ListStmt)),
[INFO] [stderr] 35 |         Word::CLEAR  => lines.push((None, Stmt::ClearStmt)),
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]  --> src/lexer.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     buffered_reader
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]  --> src/lexer.rs:8:27
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let buffered_reader = BufReader::new(f);
[INFO] [stderr]   |                           ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line_tag`
[INFO] [stderr]   --> src/parser.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let mut line_tag: Token;
[INFO] [stderr]    |             ^^^^^^^^ help: consider using `_line_tag` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parser.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let mut line_tag: Token;
[INFO] [stderr]    |         ----^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `StringToken`
[INFO] [stderr]  --> src/parser.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | type StringToken = Token;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `ExprList`
[INFO] [stderr]  --> src/parser.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | type ExprList = Vec<Either<StringToken, Expr>>;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: equality checks against true are unnecessary
[INFO] [stderr]   --> src/lexer.rs:45:12
[INFO] [stderr]    |
[INFO] [stderr] 45 |         if skip == true { 
[INFO] [stderr]    |            ^^^^^^^^^^^^ help: try simplifying it as shown: `skip`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::bool_comparison)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stderr] 
[INFO] [stderr] warning: this loop could be written as a `while let` loop
[INFO] [stderr]   --> src/lexer.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 | /     loop {
[INFO] [stderr] 88 | |         match chars.next() {
[INFO] [stderr] 89 | |             Some(value) => {
[INFO] [stderr] 90 | |                 match value {
[INFO] [stderr] ...  |
[INFO] [stderr] 96 | |         }
[INFO] [stderr] 97 | |     }
[INFO] [stderr]    | |_____^ help: try: `while let Some(value) = chars.next() { .. }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::while_let_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_loop
[INFO] [stderr] 
[INFO] [stderr] warning: this loop could be written as a `while let` loop
[INFO] [stderr]    --> src/lexer.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 | /     loop {
[INFO] [stderr] 105 | |         match chars.next() {
[INFO] [stderr] 106 | |             Some(value) => {
[INFO] [stderr] 107 | |                 match value {
[INFO] [stderr] ...   |
[INFO] [stderr] 113 | |         }
[INFO] [stderr] 114 | |     }
[INFO] [stderr]     | |_____^ help: try: `while let Some(value) = chars.next() { .. }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_loop
[INFO] [stderr] 
[INFO] [stderr] warning: this loop could be written as a `while let` loop
[INFO] [stderr]    --> src/lexer.rs:139:5
[INFO] [stderr]     |
[INFO] [stderr] 139 | /     loop {
[INFO] [stderr] 140 | |         match chars.next() {
[INFO] [stderr] 141 | |             Some(value) => {
[INFO] [stderr] 142 | |                 match value {
[INFO] [stderr] ...   |
[INFO] [stderr] 148 | |         }
[INFO] [stderr] 149 | |     }
[INFO] [stderr]     | |_____^ help: try: `while let Some(value) = chars.next() { .. }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_loop
[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/parser.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 | /         match tok {
[INFO] [stderr] 31 | |             Token::KEYWORD(w) => {
[INFO] [stderr] 32 | |                 match w {
[INFO] [stderr] 33 | |                     Word::END    => lines.push((None, Stmt::EndStmt)),
[INFO] [stderr] ...  |
[INFO] [stderr] 41 | |             _ => ()
[INFO] [stderr] 42 | |         }
[INFO] [stderr]    | |_________^
[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] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 30 |         if let Token::KEYWORD(w) = tok {
[INFO] [stderr] 31 |     match w {
[INFO] [stderr] 32 |         Word::END    => lines.push((None, Stmt::EndStmt)),
[INFO] [stderr] 33 |         Word::RUN    => lines.push((None, Stmt::RunStmt)),
[INFO] [stderr] 34 |         Word::LIST   => lines.push((None, Stmt::ListStmt)),
[INFO] [stderr] 35 |         Word::CLEAR  => lines.push((None, Stmt::ClearStmt)),
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `"docker" "inspect" "a6dbd68a53b7baeb79d039635e120caa0ce9d396fade250b20f9c727504d326b"`
[INFO] running `"docker" "rm" "-f" "a6dbd68a53b7baeb79d039635e120caa0ce9d396fade250b20f9c727504d326b"`
[INFO] [stdout] a6dbd68a53b7baeb79d039635e120caa0ce9d396fade250b20f9c727504d326b