[INFO] updating cached repository totechite/Learning_parser_with_Rustlang [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/totechite/Learning_parser_with_Rustlang [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/totechite/Learning_parser_with_Rustlang" "work/ex/clippy-test-run/sources/stable/gh/totechite/Learning_parser_with_Rustlang"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/totechite/Learning_parser_with_Rustlang'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/totechite/Learning_parser_with_Rustlang" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/totechite/Learning_parser_with_Rustlang"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/totechite/Learning_parser_with_Rustlang'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] da17114a434ca908ed3f134f3692de7f5c3c3a7a [INFO] sha for GitHub repo totechite/Learning_parser_with_Rustlang: da17114a434ca908ed3f134f3692de7f5c3c3a7a [INFO] validating manifest of totechite/Learning_parser_with_Rustlang 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 totechite/Learning_parser_with_Rustlang 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 totechite/Learning_parser_with_Rustlang [INFO] finished frobbing totechite/Learning_parser_with_Rustlang [INFO] frobbed toml for totechite/Learning_parser_with_Rustlang written to work/ex/clippy-test-run/sources/stable/gh/totechite/Learning_parser_with_Rustlang/Cargo.toml [INFO] started frobbing totechite/Learning_parser_with_Rustlang [INFO] finished frobbing totechite/Learning_parser_with_Rustlang [INFO] frobbed toml for totechite/Learning_parser_with_Rustlang written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/totechite/Learning_parser_with_Rustlang/Cargo.toml [INFO] crate totechite/Learning_parser_with_Rustlang 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 totechite/Learning_parser_with_Rustlang against stable for clippy-test-run [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/totechite/Learning_parser_with_Rustlang:/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] 2f2f6db23a00ad4a0276f28e89583ca89d4dc20d0a918a83e1cae15f5b61665d [INFO] running `"docker" "start" "-a" "2f2f6db23a00ad4a0276f28e89583ca89d4dc20d0a918a83e1cae15f5b61665d"` [INFO] [stderr] Checking aho-corasick v0.6.6 [INFO] [stderr] Checking regex v1.0.2 [INFO] [stderr] Checking rust_lexer v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused imports: `LexerBuilder`, `Lexer` [INFO] [stderr] --> src/lib.rs:7:13 [INFO] [stderr] | [INFO] [stderr] 7 | use lexer::{Lexer, LexerBuilder}; [INFO] [stderr] | ^^^^^ ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `token::Token` [INFO] [stderr] --> src/lib.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use token::Token; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `LexerBuilder`, `Lexer` [INFO] [stderr] --> src/lib.rs:7:13 [INFO] [stderr] | [INFO] [stderr] 7 | use lexer::{Lexer, LexerBuilder}; [INFO] [stderr] | ^^^^^ ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `token::Token` [INFO] [stderr] --> src/lib.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use token::Token; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `theChar` [INFO] [stderr] --> src/lexer.rs:86:5 [INFO] [stderr] | [INFO] [stderr] 86 | theChar: char, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: variant `N_A` should have a camel case name such as `NA` [INFO] [stderr] --> src/token.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | N_A, [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_camel_case_types)] on by default [INFO] [stderr] [INFO] [stderr] warning: variant `L_BRACKET` should have a camel case name such as `LBracket` [INFO] [stderr] --> src/token.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | L_BRACKET, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant `R_BRACKET` should have a camel case name such as `RBracket` [INFO] [stderr] --> src/token.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | R_BRACKET [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: structure field `theChar` should have a snake case name such as `the_char` [INFO] [stderr] --> src/lexer.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | pub theChar: Option, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `theChar` [INFO] [stderr] --> src/lexer.rs:86:5 [INFO] [stderr] | [INFO] [stderr] 86 | theChar: char, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: variant `N_A` should have a camel case name such as `NA` [INFO] [stderr] --> src/token.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | N_A, [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_camel_case_types)] on by default [INFO] [stderr] [INFO] [stderr] warning: variant `L_BRACKET` should have a camel case name such as `LBracket` [INFO] [stderr] --> src/token.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | L_BRACKET, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant `R_BRACKET` should have a camel case name such as `RBracket` [INFO] [stderr] --> src/token.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | R_BRACKET [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `strV` should have a snake case name such as `str_v` [INFO] [stderr] --> src/lexer.rs:42:13 [INFO] [stderr] | [INFO] [stderr] 42 | let mut strV = "".to_string(); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: structure field `theChar` should have a snake case name such as `the_char` [INFO] [stderr] --> src/lexer.rs:86:5 [INFO] [stderr] | [INFO] [stderr] 86 | theChar: char, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: structure field `theChar` should have a snake case name such as `the_char` [INFO] [stderr] --> src/lexer.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | pub theChar: Option, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] [INFO] [stderr] warning: you should consider deriving a `Default` implementation for `lexer::LexerBuilder` [INFO] [stderr] --> src/lexer.rs:90:5 [INFO] [stderr] | [INFO] [stderr] 90 | / pub fn new() -> LexerBuilder{ [INFO] [stderr] 91 | | LexerBuilder{ [INFO] [stderr] 92 | | text: "".to_string(), [INFO] [stderr] 93 | | position: 0, [INFO] [stderr] 94 | | theChar: ' ', [INFO] [stderr] 95 | | } [INFO] [stderr] 96 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::new_without_default_derive)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive [INFO] [stderr] help: try this [INFO] [stderr] | [INFO] [stderr] 83 | #[derive(Default)] [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: variable `strV` should have a snake case name such as `str_v` [INFO] [stderr] --> src/lexer.rs:42:13 [INFO] [stderr] | [INFO] [stderr] 42 | let mut strV = "".to_string(); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: structure field `theChar` should have a snake case name such as `the_char` [INFO] [stderr] --> src/lexer.rs:86:5 [INFO] [stderr] | [INFO] [stderr] 86 | theChar: char, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: you should consider deriving a `Default` implementation for `lexer::LexerBuilder` [INFO] [stderr] --> src/lexer.rs:90:5 [INFO] [stderr] | [INFO] [stderr] 90 | / pub fn new() -> LexerBuilder{ [INFO] [stderr] 91 | | LexerBuilder{ [INFO] [stderr] 92 | | text: "".to_string(), [INFO] [stderr] 93 | | position: 0, [INFO] [stderr] 94 | | theChar: ' ', [INFO] [stderr] 95 | | } [INFO] [stderr] 96 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::new_without_default_derive)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive [INFO] [stderr] help: try this [INFO] [stderr] | [INFO] [stderr] 83 | #[derive(Default)] [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: field is never used: `theChar` [INFO] [stderr] --> src/lexer.rs:86:5 [INFO] [stderr] | [INFO] [stderr] 86 | theChar: char, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: variant `N_A` should have a camel case name such as `NA` [INFO] [stderr] --> src/token.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | N_A, [INFO] [stderr] | ^^^ [INFO] [stderr] warning: field is never used: `theChar` [INFO] [stderr] --> src/lexer.rs:86:5 [INFO] [stderr] | [INFO] [stderr] 86 | theChar: char, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: variant `N_A` should have a camel case name such as `NA` [INFO] [stderr] --> src/token.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | N_A, [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_camel_case_types)] on by default [INFO] [stderr] [INFO] [stderr] warning: variant `L_BRACKET` should have a camel case name such as `LBracket` [INFO] [stderr] --> src/token.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | L_BRACKET, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant `R_BRACKET` should have a camel case name such as `RBracket` [INFO] [stderr] --> src/token.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | R_BRACKET [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: structure field `theChar` should have a snake case name such as `the_char` [INFO] [stderr] --> src/lexer.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | pub theChar: Option, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable `strV` should have a snake case name such as `str_v` [INFO] [stderr] --> src/lexer.rs:42:13 [INFO] [stderr] | [INFO] [stderr] 42 | let mut strV = "".to_string(); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_camel_case_types)] on by default [INFO] [stderr] [INFO] [stderr] warning: variant `L_BRACKET` should have a camel case name such as `LBracket` [INFO] [stderr] --> src/token.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | L_BRACKET, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant `R_BRACKET` should have a camel case name such as `RBracket` [INFO] [stderr] --> src/token.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | R_BRACKET [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: structure field `theChar` should have a snake case name such as `the_char` [INFO] [stderr] --> src/lexer.rs:86:5 [INFO] [stderr] | [INFO] [stderr] 86 | theChar: char, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: you should consider deriving a `Default` implementation for `lexer::LexerBuilder` [INFO] [stderr] --> src/lexer.rs:90:5 [INFO] [stderr] | [INFO] [stderr] 90 | / pub fn new() -> LexerBuilder{ [INFO] [stderr] 91 | | LexerBuilder{ [INFO] [stderr] 92 | | text: "".to_string(), [INFO] [stderr] 93 | | position: 0, [INFO] [stderr] 94 | | theChar: ' ', [INFO] [stderr] 95 | | } [INFO] [stderr] 96 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::new_without_default_derive)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive [INFO] [stderr] help: try this [INFO] [stderr] | [INFO] [stderr] 83 | #[derive(Default)] [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: structure field `theChar` should have a snake case name such as `the_char` [INFO] [stderr] --> src/lexer.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | pub theChar: Option, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | file.read_to_string(&mut contents); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [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/main.rs:20:9 [INFO] [stderr] | [INFO] [stderr] 20 | / match tc { [INFO] [stderr] 21 | | Token::EOF => frag = false, [INFO] [stderr] 22 | | _ => {}, [INFO] [stderr] 23 | | } [INFO] [stderr] | |_____________^ help: try this: `if let Token::EOF = tc { frag = false }` [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] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable `strV` should have a snake case name such as `str_v` [INFO] [stderr] --> src/lexer.rs:42:13 [INFO] [stderr] | [INFO] [stderr] 42 | let mut strV = "".to_string(); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: structure field `theChar` should have a snake case name such as `the_char` [INFO] [stderr] --> src/lexer.rs:86:5 [INFO] [stderr] | [INFO] [stderr] 86 | theChar: char, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: you should consider deriving a `Default` implementation for `lexer::LexerBuilder` [INFO] [stderr] --> src/lexer.rs:90:5 [INFO] [stderr] | [INFO] [stderr] 90 | / pub fn new() -> LexerBuilder{ [INFO] [stderr] 91 | | LexerBuilder{ [INFO] [stderr] 92 | | text: "".to_string(), [INFO] [stderr] 93 | | position: 0, [INFO] [stderr] 94 | | theChar: ' ', [INFO] [stderr] 95 | | } [INFO] [stderr] 96 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::new_without_default_derive)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive [INFO] [stderr] help: try this [INFO] [stderr] | [INFO] [stderr] 83 | #[derive(Default)] [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | file.read_to_string(&mut contents); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [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/main.rs:20:9 [INFO] [stderr] | [INFO] [stderr] 20 | / match tc { [INFO] [stderr] 21 | | Token::EOF => frag = false, [INFO] [stderr] 22 | | _ => {}, [INFO] [stderr] 23 | | } [INFO] [stderr] | |_____________^ help: try this: `if let Token::EOF = tc { frag = false }` [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 5.78s [INFO] running `"docker" "inspect" "2f2f6db23a00ad4a0276f28e89583ca89d4dc20d0a918a83e1cae15f5b61665d"` [INFO] running `"docker" "rm" "-f" "2f2f6db23a00ad4a0276f28e89583ca89d4dc20d0a918a83e1cae15f5b61665d"` [INFO] [stdout] 2f2f6db23a00ad4a0276f28e89583ca89d4dc20d0a918a83e1cae15f5b61665d