[INFO] crate palladium 0.0.26 is already in cache
[INFO] extracting crate palladium 0.0.26 into work/ex/clippy-test-run/sources/stable/reg/palladium/0.0.26
[INFO] extracting crate palladium 0.0.26 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/palladium/0.0.26
[INFO] validating manifest of palladium-0.0.26 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 palladium-0.0.26 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 palladium-0.0.26
[INFO] finished frobbing palladium-0.0.26
[INFO] frobbed toml for palladium-0.0.26 written to work/ex/clippy-test-run/sources/stable/reg/palladium/0.0.26/Cargo.toml
[INFO] started frobbing palladium-0.0.26
[INFO] finished frobbing palladium-0.0.26
[INFO] frobbed toml for palladium-0.0.26 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/palladium/0.0.26/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 palladium-0.0.26 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/palladium/0.0.26:/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] 5a9f31468c61f15d37710edaa93277de39c3be36c9f73d509471f8c4d468dd94
[INFO] running `"docker" "start" "-a" "5a9f31468c61f15d37710edaa93277de39c3be36c9f73d509471f8c4d468dd94"`
[INFO] [stderr]     Checking iridium v0.0.33
[INFO] [stderr]     Checking palladium v0.0.26 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/visitor.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |             free_registers: free_registers,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `free_registers`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/visitor.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |             free_registers: free_registers,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `free_registers`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/operator_parsers.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokens::Token`
[INFO] [stderr]   --> src/operator_parsers.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |     use tokens::Token;
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `nom::types::CompleteStr`
[INFO] [stderr]   --> src/operator_parsers.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |     use nom::types::CompleteStr;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/expression_parsers.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/program_parsers.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/factor_parsers.rs:69:9
[INFO] [stderr]    |
[INFO] [stderr] 69 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/term_parsers.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `AdditionOperator`
[INFO] [stderr]  --> src/tokens.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     AdditionOperator,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SubtractionOperator`
[INFO] [stderr]  --> src/tokens.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     SubtractionOperator,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `MultiplicationOperator`
[INFO] [stderr]  --> src/tokens.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     MultiplicationOperator,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DivisionOperator`
[INFO] [stderr]  --> src/tokens.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     DivisionOperator,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Integer`
[INFO] [stderr]  --> src/tokens.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Integer{ value: i64 },
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Float`
[INFO] [stderr]  --> src/tokens.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Float{ value: f64},
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Factor`
[INFO] [stderr]  --> src/tokens.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Factor{ value: Box<Token> },
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Term`
[INFO] [stderr]   --> src/tokens.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Term{ left: Box<Token>, right: Vec<(Token, Token)> },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Expression`
[INFO] [stderr]   --> src/tokens.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     Expression{ left: Box<Token>, right: Vec<(Token, Token)> },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Program`
[INFO] [stderr]   --> src/tokens.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     Program{ expressions: Vec<Token> }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `assembler`
[INFO] [stderr]   --> src/visitor.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     assembler: Assembler,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/visitor.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn new() -> Compiler {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `compile`
[INFO] [stderr]   --> src/visitor.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn compile(&mut self) -> Vec<u8> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print_asm`
[INFO] [stderr]   --> src/visitor.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn print_asm(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print_used_registers`
[INFO] [stderr]   --> src/visitor.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn print_used_registers(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print_free_registers`
[INFO] [stderr]   --> src/visitor.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn print_free_registers(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `generate_test_program`
[INFO] [stderr]    --> src/visitor.rs:159:5
[INFO] [stderr]     |
[INFO] [stderr] 159 |     fn generate_test_program(expr: &str) -> Token {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/visitor.rs:67:9
[INFO] [stderr]     |
[INFO] [stderr] 67  | /         match node {
[INFO] [stderr] 68  | |             &Token::AdditionOperator => {
[INFO] [stderr] 69  | |                 // TODO: Need to clean this up. Remove the unwraps.
[INFO] [stderr] 70  | |                 let result_register = self.free_registers.pop().unwrap();
[INFO] [stderr] ...   |
[INFO] [stderr] 149 | |             },
[INFO] [stderr] 150 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 67  |         match *node {
[INFO] [stderr] 68  |             Token::AdditionOperator => {
[INFO] [stderr] 69  |                 // TODO: Need to clean this up. Remove the unwraps.
[INFO] [stderr] 70  |                 let result_register = self.free_registers.pop().unwrap();
[INFO] [stderr] 71  |                 let left_register = self.used_registers.pop().unwrap();
[INFO] [stderr] 72  |                 let right_register = self.used_registers.pop().unwrap();
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bytecode`
[INFO] [stderr]    --> src/visitor.rs:184:13
[INFO] [stderr]     |
[INFO] [stderr] 184 |         let bytecode = compiler.compile();
[INFO] [stderr]     |             ^^^^^^^^ help: consider using `_bytecode` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bytecode`
[INFO] [stderr]    --> src/visitor.rs:192:13
[INFO] [stderr]     |
[INFO] [stderr] 192 |         let bytecode = compiler.compile();
[INFO] [stderr]     |             ^^^^^^^^ help: consider using `_bytecode` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parsed_o`
[INFO] [stderr]   --> src/factor_parsers.rs:83:17
[INFO] [stderr]    |
[INFO] [stderr] 83 |             let parsed_o = o.parse::<f64>().unwrap();
[INFO] [stderr]    |                 ^^^^^^^^ help: consider using `_parsed_o` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parsed_o`
[INFO] [stderr]   --> src/factor_parsers.rs:93:17
[INFO] [stderr]    |
[INFO] [stderr] 93 |             let parsed_o = o.parse::<i64>().unwrap();
[INFO] [stderr]    |                 ^^^^^^^^ help: consider using `_parsed_o` instead
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print_asm`
[INFO] [stderr]   --> src/visitor.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn print_asm(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print_used_registers`
[INFO] [stderr]   --> src/visitor.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn print_used_registers(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print_free_registers`
[INFO] [stderr]   --> src/visitor.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn print_free_registers(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/visitor.rs:67:9
[INFO] [stderr]     |
[INFO] [stderr] 67  | /         match node {
[INFO] [stderr] 68  | |             &Token::AdditionOperator => {
[INFO] [stderr] 69  | |                 // TODO: Need to clean this up. Remove the unwraps.
[INFO] [stderr] 70  | |                 let result_register = self.free_registers.pop().unwrap();
[INFO] [stderr] ...   |
[INFO] [stderr] 149 | |             },
[INFO] [stderr] 150 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 67  |         match *node {
[INFO] [stderr] 68  |             Token::AdditionOperator => {
[INFO] [stderr] 69  |                 // TODO: Need to clean this up. Remove the unwraps.
[INFO] [stderr] 70  |                 let result_register = self.free_registers.pop().unwrap();
[INFO] [stderr] 71  |                 let left_register = self.used_registers.pop().unwrap();
[INFO] [stderr] 72  |                 let right_register = self.used_registers.pop().unwrap();
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.00s
[INFO] running `"docker" "inspect" "5a9f31468c61f15d37710edaa93277de39c3be36c9f73d509471f8c4d468dd94"`
[INFO] running `"docker" "rm" "-f" "5a9f31468c61f15d37710edaa93277de39c3be36c9f73d509471f8c4d468dd94"`
[INFO] [stdout] 5a9f31468c61f15d37710edaa93277de39c3be36c9f73d509471f8c4d468dd94