Dec 19 06:46:07.736 INFO checking totechite/Learning_parser_with_Rustlang against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 06:46:07.736 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 06:46:08.190 INFO [stdout] 68529fe5d46180d1e9b2a24a8dbcc5b4a51d0b7ee4f8657db5923574f3bbbae7
Dec 19 06:46:08.192 INFO running `"docker" "start" "-a" "68529fe5d46180d1e9b2a24a8dbcc5b4a51d0b7ee4f8657db5923574f3bbbae7"`
Dec 19 06:46:09.988 INFO [stderr]     Checking libc v0.2.42
Dec 19 06:46:11.268 INFO [stderr]     Checking memchr v2.0.1
Dec 19 06:46:11.464 INFO [stderr]     Checking aho-corasick v0.6.6
Dec 19 06:46:11.964 INFO [stderr]     Checking regex v1.0.2
Dec 19 06:46:13.994 INFO [stderr]     Checking rust_lexer v0.1.0 (/opt/crater/workdir)
Dec 19 06:46:14.101 INFO [stderr] warning: unused imports: `LexerBuilder`, `Lexer`
Dec 19 06:46:14.101 INFO [stderr]  --> src/lib.rs:7:13
Dec 19 06:46:14.101 INFO [stderr]   |
Dec 19 06:46:14.101 INFO [stderr] 7 | use lexer::{Lexer, LexerBuilder};
Dec 19 06:46:14.101 INFO [stderr]   |             ^^^^^  ^^^^^^^^^^^^
Dec 19 06:46:14.101 INFO [stderr]   |
Dec 19 06:46:14.101 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 06:46:14.101 INFO [stderr] 
Dec 19 06:46:14.101 INFO [stderr] warning: unused import: `token::Token`
Dec 19 06:46:14.101 INFO [stderr]  --> src/lib.rs:8:5
Dec 19 06:46:14.101 INFO [stderr]   |
Dec 19 06:46:14.101 INFO [stderr] 8 | use token::Token;
Dec 19 06:46:14.101 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 19 06:46:14.101 INFO [stderr] 
Dec 19 06:46:14.106 INFO [stderr] warning: unused imports: `LexerBuilder`, `Lexer`
Dec 19 06:46:14.106 INFO [stderr]  --> src/lib.rs:7:13
Dec 19 06:46:14.106 INFO [stderr]   |
Dec 19 06:46:14.106 INFO [stderr] 7 | use lexer::{Lexer, LexerBuilder};
Dec 19 06:46:14.106 INFO [stderr]   |             ^^^^^  ^^^^^^^^^^^^
Dec 19 06:46:14.106 INFO [stderr]   |
Dec 19 06:46:14.106 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 06:46:14.106 INFO [stderr] 
Dec 19 06:46:14.106 INFO [stderr] warning: unused import: `token::Token`
Dec 19 06:46:14.106 INFO [stderr]  --> src/lib.rs:8:5
Dec 19 06:46:14.106 INFO [stderr]   |
Dec 19 06:46:14.106 INFO [stderr] 8 | use token::Token;
Dec 19 06:46:14.106 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 19 06:46:14.106 INFO [stderr] 
Dec 19 06:46:14.162 INFO [stderr] warning: field is never used: `theChar`
Dec 19 06:46:14.162 INFO [stderr]   --> src/lexer.rs:86:5
Dec 19 06:46:14.162 INFO [stderr]    |
Dec 19 06:46:14.162 INFO [stderr] 86 |     theChar: char,
Dec 19 06:46:14.162 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 19 06:46:14.162 INFO [stderr]    |
Dec 19 06:46:14.162 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 06:46:14.162 INFO [stderr] 
Dec 19 06:46:14.162 INFO [stderr] warning: variant `N_A` should have a camel case name such as `NA`
Dec 19 06:46:14.162 INFO [stderr]  --> src/token.rs:3:5
Dec 19 06:46:14.162 INFO [stderr]   |
Dec 19 06:46:14.162 INFO [stderr] 3 |     N_A,
Dec 19 06:46:14.162 INFO [stderr]   |     ^^^
Dec 19 06:46:14.162 INFO [stderr]   |
Dec 19 06:46:14.162 INFO [stderr]   = note: #[warn(non_camel_case_types)] on by default
Dec 19 06:46:14.162 INFO [stderr] 
Dec 19 06:46:14.162 INFO [stderr] warning: variant `L_BRACKET` should have a camel case name such as `LBracket`
Dec 19 06:46:14.162 INFO [stderr]  --> src/token.rs:7:5
Dec 19 06:46:14.162 INFO [stderr]   |
Dec 19 06:46:14.162 INFO [stderr] 7 |     L_BRACKET,
Dec 19 06:46:14.162 INFO [stderr]   |     ^^^^^^^^^
Dec 19 06:46:14.162 INFO [stderr] 
Dec 19 06:46:14.162 INFO [stderr] warning: variant `R_BRACKET` should have a camel case name such as `RBracket`
Dec 19 06:46:14.162 INFO [stderr]  --> src/token.rs:8:5
Dec 19 06:46:14.162 INFO [stderr]   |
Dec 19 06:46:14.162 INFO [stderr] 8 |     R_BRACKET
Dec 19 06:46:14.162 INFO [stderr]   |     ^^^^^^^^^
Dec 19 06:46:14.162 INFO [stderr] 
Dec 19 06:46:14.162 INFO [stderr] warning: structure field `theChar` should have a snake case name such as `the_char`
Dec 19 06:46:14.162 INFO [stderr]   --> src/lexer.rs:10:5
Dec 19 06:46:14.162 INFO [stderr]    |
Dec 19 06:46:14.162 INFO [stderr] 10 |     pub theChar: Option<char>,
Dec 19 06:46:14.162 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 06:46:14.162 INFO [stderr]    |
Dec 19 06:46:14.162 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 19 06:46:14.162 INFO [stderr] 
Dec 19 06:46:14.164 INFO [stderr] warning: variable `strV` should have a snake case name such as `str_v`
Dec 19 06:46:14.164 INFO [stderr]   --> src/lexer.rs:42:13
Dec 19 06:46:14.164 INFO [stderr]    |
Dec 19 06:46:14.164 INFO [stderr] 42 |         let mut strV = "".to_string();
Dec 19 06:46:14.164 INFO [stderr]    |             ^^^^^^^^
Dec 19 06:46:14.164 INFO [stderr] 
Dec 19 06:46:14.164 INFO [stderr] warning: structure field `theChar` should have a snake case name such as `the_char`
Dec 19 06:46:14.164 INFO [stderr]   --> src/lexer.rs:86:5
Dec 19 06:46:14.164 INFO [stderr]    |
Dec 19 06:46:14.164 INFO [stderr] 86 |     theChar: char,
Dec 19 06:46:14.164 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 19 06:46:14.164 INFO [stderr] 
Dec 19 06:46:14.166 INFO [stderr] warning: field is never used: `theChar`
Dec 19 06:46:14.166 INFO [stderr]   --> src/lexer.rs:86:5
Dec 19 06:46:14.166 INFO [stderr]    |
Dec 19 06:46:14.166 INFO [stderr] 86 |     theChar: char,
Dec 19 06:46:14.166 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 19 06:46:14.166 INFO [stderr]    |
Dec 19 06:46:14.166 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 06:46:14.166 INFO [stderr] 
Dec 19 06:46:14.166 INFO [stderr] warning: variant `N_A` should have a camel case name such as `NA`
Dec 19 06:46:14.166 INFO [stderr]  --> src/token.rs:3:5
Dec 19 06:46:14.166 INFO [stderr]   |
Dec 19 06:46:14.166 INFO [stderr] 3 |     N_A,
Dec 19 06:46:14.166 INFO [stderr]   |     ^^^
Dec 19 06:46:14.166 INFO [stderr]   |
Dec 19 06:46:14.166 INFO [stderr]   = note: #[warn(non_camel_case_types)] on by default
Dec 19 06:46:14.166 INFO [stderr] 
Dec 19 06:46:14.166 INFO [stderr] warning: variant `L_BRACKET` should have a camel case name such as `LBracket`
Dec 19 06:46:14.166 INFO [stderr]  --> src/token.rs:7:5
Dec 19 06:46:14.166 INFO [stderr]   |
Dec 19 06:46:14.166 INFO [stderr] 7 |     L_BRACKET,
Dec 19 06:46:14.166 INFO [stderr]   |     ^^^^^^^^^
Dec 19 06:46:14.166 INFO [stderr] 
Dec 19 06:46:14.168 INFO [stderr] warning: variant `R_BRACKET` should have a camel case name such as `RBracket`
Dec 19 06:46:14.168 INFO [stderr]  --> src/token.rs:8:5
Dec 19 06:46:14.168 INFO [stderr]   |
Dec 19 06:46:14.168 INFO [stderr] 8 |     R_BRACKET
Dec 19 06:46:14.168 INFO [stderr]   |     ^^^^^^^^^
Dec 19 06:46:14.168 INFO [stderr] 
Dec 19 06:46:14.168 INFO [stderr] warning: structure field `theChar` should have a snake case name such as `the_char`
Dec 19 06:46:14.168 INFO [stderr]   --> src/lexer.rs:10:5
Dec 19 06:46:14.168 INFO [stderr]    |
Dec 19 06:46:14.168 INFO [stderr] 10 |     pub theChar: Option<char>,
Dec 19 06:46:14.168 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 06:46:14.168 INFO [stderr]    |
Dec 19 06:46:14.168 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 19 06:46:14.168 INFO [stderr] 
Dec 19 06:46:14.168 INFO [stderr] warning: variable `strV` should have a snake case name such as `str_v`
Dec 19 06:46:14.168 INFO [stderr]   --> src/lexer.rs:42:13
Dec 19 06:46:14.168 INFO [stderr]    |
Dec 19 06:46:14.168 INFO [stderr] 42 |         let mut strV = "".to_string();
Dec 19 06:46:14.168 INFO [stderr]    |             ^^^^^^^^
Dec 19 06:46:14.168 INFO [stderr] 
Dec 19 06:46:14.168 INFO [stderr] warning: structure field `theChar` should have a snake case name such as `the_char`
Dec 19 06:46:14.168 INFO [stderr]   --> src/lexer.rs:86:5
Dec 19 06:46:14.168 INFO [stderr]    |
Dec 19 06:46:14.168 INFO [stderr] 86 |     theChar: char,
Dec 19 06:46:14.168 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 19 06:46:14.168 INFO [stderr] 
Dec 19 06:46:14.295 INFO [stderr] warning: field is never used: `theChar`
Dec 19 06:46:14.295 INFO [stderr]   --> src/lexer.rs:86:5
Dec 19 06:46:14.295 INFO [stderr]    |
Dec 19 06:46:14.295 INFO [stderr] 86 |     theChar: char,
Dec 19 06:46:14.295 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 19 06:46:14.295 INFO [stderr]    |
Dec 19 06:46:14.295 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 06:46:14.295 INFO [stderr] 
Dec 19 06:46:14.296 INFO [stderr] warning: variant `N_A` should have a camel case name such as `NA`
Dec 19 06:46:14.296 INFO [stderr]  --> src/token.rs:3:5
Dec 19 06:46:14.296 INFO [stderr]   |
Dec 19 06:46:14.296 INFO [stderr] 3 |     N_A,
Dec 19 06:46:14.296 INFO [stderr]   |     ^^^
Dec 19 06:46:14.296 INFO [stderr]   |
Dec 19 06:46:14.296 INFO [stderr]   = note: #[warn(non_camel_case_types)] on by default
Dec 19 06:46:14.296 INFO [stderr] 
Dec 19 06:46:14.296 INFO [stderr] warning: variant `L_BRACKET` should have a camel case name such as `LBracket`
Dec 19 06:46:14.296 INFO [stderr]  --> src/token.rs:7:5
Dec 19 06:46:14.296 INFO [stderr]   |
Dec 19 06:46:14.296 INFO [stderr] 7 |     L_BRACKET,
Dec 19 06:46:14.296 INFO [stderr]   |     ^^^^^^^^^
Dec 19 06:46:14.296 INFO [stderr] 
Dec 19 06:46:14.296 INFO [stderr] warning: variant `R_BRACKET` should have a camel case name such as `RBracket`
Dec 19 06:46:14.296 INFO [stderr]  --> src/token.rs:8:5
Dec 19 06:46:14.296 INFO [stderr]   |
Dec 19 06:46:14.296 INFO [stderr] 8 |     R_BRACKET
Dec 19 06:46:14.296 INFO [stderr]   |     ^^^^^^^^^
Dec 19 06:46:14.296 INFO [stderr] 
Dec 19 06:46:14.296 INFO [stderr] warning: structure field `theChar` should have a snake case name such as `the_char`
Dec 19 06:46:14.296 INFO [stderr]   --> src/lexer.rs:10:5
Dec 19 06:46:14.296 INFO [stderr]    |
Dec 19 06:46:14.296 INFO [stderr] 10 |     pub theChar: Option<char>,
Dec 19 06:46:14.296 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 06:46:14.296 INFO [stderr]    |
Dec 19 06:46:14.296 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 19 06:46:14.296 INFO [stderr] 
Dec 19 06:46:14.296 INFO [stderr] warning: variable `strV` should have a snake case name such as `str_v`
Dec 19 06:46:14.296 INFO [stderr]   --> src/lexer.rs:42:13
Dec 19 06:46:14.296 INFO [stderr]    |
Dec 19 06:46:14.296 INFO [stderr] 42 |         let mut strV = "".to_string();
Dec 19 06:46:14.296 INFO [stderr]    |             ^^^^^^^^
Dec 19 06:46:14.296 INFO [stderr] 
Dec 19 06:46:14.296 INFO [stderr] warning: structure field `theChar` should have a snake case name such as `the_char`
Dec 19 06:46:14.296 INFO [stderr]   --> src/lexer.rs:86:5
Dec 19 06:46:14.296 INFO [stderr]    |
Dec 19 06:46:14.296 INFO [stderr] 86 |     theChar: char,
Dec 19 06:46:14.296 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 19 06:46:14.296 INFO [stderr] 
Dec 19 06:46:14.299 INFO [stderr] warning: field is never used: `theChar`
Dec 19 06:46:14.299 INFO [stderr]   --> src/lexer.rs:86:5
Dec 19 06:46:14.299 INFO [stderr]    |
Dec 19 06:46:14.299 INFO [stderr] 86 |     theChar: char,
Dec 19 06:46:14.299 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 19 06:46:14.299 INFO [stderr]    |
Dec 19 06:46:14.299 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 06:46:14.299 INFO [stderr] 
Dec 19 06:46:14.299 INFO [stderr] warning: variant `N_A` should have a camel case name such as `NA`
Dec 19 06:46:14.299 INFO [stderr]  --> src/token.rs:3:5
Dec 19 06:46:14.299 INFO [stderr]   |
Dec 19 06:46:14.299 INFO [stderr] 3 |     N_A,
Dec 19 06:46:14.299 INFO [stderr]   |     ^^^
Dec 19 06:46:14.299 INFO [stderr]   |
Dec 19 06:46:14.299 INFO [stderr]   = note: #[warn(non_camel_case_types)] on by default
Dec 19 06:46:14.299 INFO [stderr] 
Dec 19 06:46:14.299 INFO [stderr] warning: variant `L_BRACKET` should have a camel case name such as `LBracket`
Dec 19 06:46:14.299 INFO [stderr]  --> src/token.rs:7:5
Dec 19 06:46:14.299 INFO [stderr]   |
Dec 19 06:46:14.299 INFO [stderr] 7 |     L_BRACKET,
Dec 19 06:46:14.299 INFO [stderr]   |     ^^^^^^^^^
Dec 19 06:46:14.299 INFO [stderr] 
Dec 19 06:46:14.299 INFO [stderr] warning: variant `R_BRACKET` should have a camel case name such as `RBracket`
Dec 19 06:46:14.299 INFO [stderr]  --> src/token.rs:8:5
Dec 19 06:46:14.299 INFO [stderr]   |
Dec 19 06:46:14.299 INFO [stderr] 8 |     R_BRACKET
Dec 19 06:46:14.299 INFO [stderr]   |     ^^^^^^^^^
Dec 19 06:46:14.299 INFO [stderr] 
Dec 19 06:46:14.299 INFO [stderr] warning: structure field `theChar` should have a snake case name such as `the_char`
Dec 19 06:46:14.299 INFO [stderr]   --> src/lexer.rs:10:5
Dec 19 06:46:14.299 INFO [stderr]    |
Dec 19 06:46:14.299 INFO [stderr] 10 |     pub theChar: Option<char>,
Dec 19 06:46:14.299 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 06:46:14.299 INFO [stderr]    |
Dec 19 06:46:14.299 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 19 06:46:14.299 INFO [stderr] 
Dec 19 06:46:14.299 INFO [stderr] warning: variable `strV` should have a snake case name such as `str_v`
Dec 19 06:46:14.299 INFO [stderr]   --> src/lexer.rs:42:13
Dec 19 06:46:14.299 INFO [stderr]    |
Dec 19 06:46:14.300 INFO [stderr] 42 |         let mut strV = "".to_string();
Dec 19 06:46:14.300 INFO [stderr]    |             ^^^^^^^^
Dec 19 06:46:14.300 INFO [stderr] 
Dec 19 06:46:14.300 INFO [stderr] warning: structure field `theChar` should have a snake case name such as `the_char`
Dec 19 06:46:14.300 INFO [stderr]   --> src/lexer.rs:86:5
Dec 19 06:46:14.300 INFO [stderr]    |
Dec 19 06:46:14.300 INFO [stderr] 86 |     theChar: char,
Dec 19 06:46:14.300 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 19 06:46:14.300 INFO [stderr] 
Dec 19 06:46:14.301 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 06:46:14.301 INFO [stderr]   --> src/main.rs:12:5
Dec 19 06:46:14.301 INFO [stderr]    |
Dec 19 06:46:14.301 INFO [stderr] 12 |     file.read_to_string(&mut contents);
Dec 19 06:46:14.301 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 06:46:14.301 INFO [stderr]    |
Dec 19 06:46:14.301 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 06:46:14.301 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 06:46:14.301 INFO [stderr] 
Dec 19 06:46:14.305 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 06:46:14.305 INFO [stderr]   --> src/main.rs:12:5
Dec 19 06:46:14.305 INFO [stderr]    |
Dec 19 06:46:14.305 INFO [stderr] 12 |     file.read_to_string(&mut contents);
Dec 19 06:46:14.305 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 06:46:14.305 INFO [stderr]    |
Dec 19 06:46:14.305 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 06:46:14.305 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 06:46:14.305 INFO [stderr] 
Dec 19 06:46:14.314 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.36s
Dec 19 06:46:15.346 INFO running `"docker" "inspect" "68529fe5d46180d1e9b2a24a8dbcc5b4a51d0b7ee4f8657db5923574f3bbbae7"`
Dec 19 06:46:15.592 INFO running `"docker" "rm" "-f" "68529fe5d46180d1e9b2a24a8dbcc5b4a51d0b7ee4f8657db5923574f3bbbae7"`
Dec 19 06:46:15.899 INFO [stdout] 68529fe5d46180d1e9b2a24a8dbcc5b4a51d0b7ee4f8657db5923574f3bbbae7