[INFO] updating cached repository https://github.com/totechite/Learning_parser_with_Rustlang
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] da17114a434ca908ed3f134f3692de7f5c3c3a7a
[INFO] checking totechite/Learning_parser_with_Rustlang against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftotechite%2FLearning_parser_with_Rustlang" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/totechite/Learning_parser_with_Rustlang on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/totechite/Learning_parser_with_Rustlang
[INFO] finished tweaking git repo https://github.com/totechite/Learning_parser_with_Rustlang
[INFO] tweaked toml for git repo https://github.com/totechite/Learning_parser_with_Rustlang written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/totechite/Learning_parser_with_Rustlang already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 23ebdc1652c752dac4047ca1101e4403b920ae198108111e7ea32510c82eea49
[INFO] running `"docker" "start" "-a" "23ebdc1652c752dac4047ca1101e4403b920ae198108111e7ea32510c82eea49"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]     Checking lazy_static v1.0.2
[INFO] [stderr]    Compiling regex v1.0.2
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking aho-corasick v0.6.6
[INFO] [stderr]     Checking rust_lexer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variant `N_A` should have an upper camel case name
[INFO] [stderr]  --> src/token.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     N_A,
[INFO] [stderr]   |     ^^^ help: convert the identifier to upper camel case: `NA`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `L_BRACKET` should have an upper camel case name
[INFO] [stderr]  --> src/token.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     L_BRACKET,
[INFO] [stderr]   |     ^^^^^^^^^ help: convert the identifier to upper camel case: `LBracket`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `R_BRACKET` should have an upper camel case name
[INFO] [stderr]  --> src/token.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     R_BRACKET
[INFO] [stderr]   |     ^^^^^^^^^ help: convert the identifier to upper camel case: `RBracket`
[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: variant `N_A` should have an upper camel case name
[INFO] [stderr]  --> src/token.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     N_A,
[INFO] [stderr]   |     ^^^ help: convert the identifier to upper camel case: `NA`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `L_BRACKET` should have an upper camel case name
[INFO] [stderr]  --> src/token.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     L_BRACKET,
[INFO] [stderr]   |     ^^^^^^^^^ help: convert the identifier to upper camel case: `LBracket`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `R_BRACKET` should have an upper camel case name
[INFO] [stderr]  --> src/token.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     R_BRACKET
[INFO] [stderr]   |     ^^^^^^^^^ help: convert the identifier to upper camel case: `RBracket`
[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 read: `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: structure field `theChar` should have a snake case name
[INFO] [stderr]   --> src/lexer.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub theChar: Option<char>,
[INFO] [stderr]    |         ^^^^^^^ help: convert the identifier to snake case: `the_char`
[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
[INFO] [stderr]   --> src/lexer.rs:42:17
[INFO] [stderr]    |
[INFO] [stderr] 42 |         let mut strV = "".to_string();
[INFO] [stderr]    |                 ^^^^ help: convert the identifier to snake case: `str_v`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `theChar` should have a snake case name
[INFO] [stderr]   --> src/lexer.rs:86:5
[INFO] [stderr]    |
[INFO] [stderr] 86 |     theChar: char,
[INFO] [stderr]    |     ^^^^^^^ help: convert the identifier to snake case: `the_char`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `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: structure field `theChar` should have a snake case name
[INFO] [stderr]   --> src/lexer.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub theChar: Option<char>,
[INFO] [stderr]    |         ^^^^^^^ help: convert the identifier to snake case: `the_char`
[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
[INFO] [stderr]   --> src/lexer.rs:42:17
[INFO] [stderr]    |
[INFO] [stderr] 42 |         let mut strV = "".to_string();
[INFO] [stderr]    |                 ^^^^ help: convert the identifier to snake case: `str_v`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `theChar` should have a snake case name
[INFO] [stderr]   --> src/lexer.rs:86:5
[INFO] [stderr]    |
[INFO] [stderr] 86 |     theChar: char,
[INFO] [stderr]    |     ^^^^^^^ help: convert the identifier to snake case: `the_char`
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variant `N_A` should have an upper camel case name
[INFO] [stderr]  --> src/token.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     N_A,
[INFO] [stderr]   |     ^^^ help: convert the identifier to upper camel case: `NA`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `L_BRACKET` should have an upper camel case name
[INFO] [stderr]  --> src/token.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     L_BRACKET,
[INFO] [stderr]   |     ^^^^^^^^^ help: convert the identifier to upper camel case: `LBracket`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `R_BRACKET` should have an upper camel case name
[INFO] [stderr]  --> src/token.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     R_BRACKET
[INFO] [stderr]   |     ^^^^^^^^^ help: convert the identifier to upper camel case: `RBracket`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `N_A` should have an upper camel case name
[INFO] [stderr]  --> src/token.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     N_A,
[INFO] [stderr]   |     ^^^ help: convert the identifier to upper camel case: `NA`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `L_BRACKET` should have an upper camel case name
[INFO] [stderr]  --> src/token.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     L_BRACKET,
[INFO] [stderr]   |     ^^^^^^^^^ help: convert the identifier to upper camel case: `LBracket`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `R_BRACKET` should have an upper camel case name
[INFO] [stderr]  --> src/token.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     R_BRACKET
[INFO] [stderr]   |     ^^^^^^^^^ help: convert the identifier to upper camel case: `RBracket`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `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: 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: structure field `theChar` should have a snake case name
[INFO] [stderr]   --> src/lexer.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub theChar: Option<char>,
[INFO] [stderr]    |         ^^^^^^^ help: convert the identifier to snake case: `the_char`
[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
[INFO] [stderr]   --> src/lexer.rs:42:17
[INFO] [stderr]    |
[INFO] [stderr] 42 |         let mut strV = "".to_string();
[INFO] [stderr]    |                 ^^^^ help: convert the identifier to snake case: `str_v`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `theChar` should have a snake case name
[INFO] [stderr]   --> src/lexer.rs:86:5
[INFO] [stderr]    |
[INFO] [stderr] 86 |     theChar: char,
[INFO] [stderr]    |     ^^^^^^^ help: convert the identifier to snake case: `the_char`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `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: 8 warnings emitted
[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: structure field `theChar` should have a snake case name
[INFO] [stderr]   --> src/lexer.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub theChar: Option<char>,
[INFO] [stderr]    |         ^^^^^^^ help: convert the identifier to snake case: `the_char`
[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
[INFO] [stderr]   --> src/lexer.rs:42:17
[INFO] [stderr]    |
[INFO] [stderr] 42 |         let mut strV = "".to_string();
[INFO] [stderr]    |                 ^^^^ help: convert the identifier to snake case: `str_v`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `theChar` should have a snake case name
[INFO] [stderr]   --> src/lexer.rs:86:5
[INFO] [stderr]    |
[INFO] [stderr] 86 |     theChar: char,
[INFO] [stderr]    |     ^^^^^^^ help: convert the identifier to snake case: `the_char`
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.34s
[INFO] running `"docker" "inspect" "23ebdc1652c752dac4047ca1101e4403b920ae198108111e7ea32510c82eea49"`
[INFO] running `"docker" "rm" "-f" "23ebdc1652c752dac4047ca1101e4403b920ae198108111e7ea32510c82eea49"`
[INFO] [stdout] 23ebdc1652c752dac4047ca1101e4403b920ae198108111e7ea32510c82eea49