[INFO] cloning repository https://github.com/yushoyamaguchi/yama_rcalc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yushoyamaguchi/yama_rcalc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyushoyamaguchi%2Fyama_rcalc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyushoyamaguchi%2Fyama_rcalc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7076d9f7211d07a47bc64c1b503447b74687eda2
[INFO] checking yushoyamaguchi/yama_rcalc against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyushoyamaguchi%2Fyama_rcalc" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/yushoyamaguchi/yama_rcalc
[INFO] finished tweaking git repo https://github.com/yushoyamaguchi/yama_rcalc
[INFO] tweaked toml for git repo https://github.com/yushoyamaguchi/yama_rcalc written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/yushoyamaguchi/yama_rcalc on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/yushoyamaguchi/yama_rcalc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 629e92b4f8bfbe638141aa8f6d01b8008cdefd1429bb668560b20e64e3ce6b11
[INFO] running `Command { std: "docker" "start" "-a" "629e92b4f8bfbe638141aa8f6d01b8008cdefd1429bb668560b20e64e3ce6b11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "629e92b4f8bfbe638141aa8f6d01b8008cdefd1429bb668560b20e64e3ce6b11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "629e92b4f8bfbe638141aa8f6d01b8008cdefd1429bb668560b20e64e3ce6b11", kill_on_drop: false }`
[INFO] [stdout] 629e92b4f8bfbe638141aa8f6d01b8008cdefd1429bb668560b20e64e3ce6b11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a4a94a6399d0c7fdbca2310ef5e9c4d36a79fc1c4ba1d0456ae441a2ffd8410
[INFO] running `Command { std: "docker" "start" "-a" "0a4a94a6399d0c7fdbca2310ef5e9c4d36a79fc1c4ba1d0456ae441a2ffd8410", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]    Compiling signal-hook v0.3.14
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking regex v1.7.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.8.5
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.23.2
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.23
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking tracing-subscriber v0.3.16
[INFO] [stderr]     Checking yama_rcalc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `execute` and `style::Print`
[INFO] [stdout]  --> src/parser.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crossterm::{execute, style::Print};
[INFO] [stdout]   |                 ^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::num`
[INFO] [stdout]  --> src/calc.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::num;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Print`
[INFO] [stdout]  --> src/lexer.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crossterm::style::{Print};
[INFO] [stdout]   |                        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `execute`
[INFO] [stdout]  --> src/lexer.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crossterm::{execute};
[INFO] [stdout]   |                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `execute` and `style::Print`
[INFO] [stdout]  --> src/parser.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crossterm::{execute, style::Print};
[INFO] [stdout]   |                 ^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::num`
[INFO] [stdout]  --> src/calc.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::num;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Print`
[INFO] [stdout]  --> src/lexer.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crossterm::style::{Print};
[INFO] [stdout]   |                        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `execute`
[INFO] [stdout]  --> src/lexer.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crossterm::{execute};
[INFO] [stdout]   |                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser.rs:126:17
[INFO] [stdout]     |
[INFO] [stdout] 126 |             let mut myself=Factor::new(n);
[INFO] [stdout]     |                 ----^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/parser.rs:231:27
[INFO] [stdout]     |
[INFO] [stdout] 231 |         TokenKind::Number(n) =>{
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `val_of_this` is never read
[INFO] [stdout]    --> src/parser.rs:154:25
[INFO] [stdout]     |
[INFO] [stdout] 154 |     let mut val_of_this=0;
[INFO] [stdout]     |                         ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parent_factor_paren`
[INFO] [stdout]    --> src/parser.rs:248:50
[INFO] [stdout]     |
[INFO] [stdout] 248 | ..._param:usize,parent_factor_paren:&mut Option<&mut Factor>,parent_expr:&mut Option<&mut Expr>,parent_is_factor:bool)->Result<usiz...
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parent_factor_paren`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/parser.rs:312:27
[INFO] [stdout]     |
[INFO] [stdout] 312 |         TokenKind::Number(n) =>{
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `val_of_this` is never read
[INFO] [stdout]    --> src/parser.rs:250:25
[INFO] [stdout]     |
[INFO] [stdout] 250 |     let mut val_of_this=0;
[INFO] [stdout]     |                         ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `val_of_this` is never read
[INFO] [stdout]    --> src/parser.rs:254:5
[INFO] [stdout]     |
[INFO] [stdout] 254 |     val_of_this=myself.left_val;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/parser.rs:398:31
[INFO] [stdout]     |
[INFO] [stdout] 398 |             TokenKind::Number(n) =>{
[INFO] [stdout]     |                               ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `pos` is never read
[INFO] [stdout]    --> src/parser.rs:368:25
[INFO] [stdout]     |
[INFO] [stdout] 368 |                         pos=p;
[INFO] [stdout]     |                         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `pos` is never read
[INFO] [stdout]    --> src/parser.rs:386:25
[INFO] [stdout]     |
[INFO] [stdout] 386 |                         pos=p;
[INFO] [stdout]     |                         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `val_of_this` is never read
[INFO] [stdout]    --> src/parser.rs:340:29
[INFO] [stdout]     |
[INFO] [stdout] 340 |         let mut val_of_this=0;
[INFO] [stdout]     |                             ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `val_of_this` is never read
[INFO] [stdout]    --> src/parser.rs:343:9
[INFO] [stdout]     |
[INFO] [stdout] 343 |         val_of_this = self.root_expr.left_val;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `calc`
[INFO] [stdout]    --> src/event.rs:171:16
[INFO] [stdout]     |
[INFO] [stdout] 171 |     pub fn new(calc: Calc) -> Self {
[INFO] [stdout]     |                ^^^^ help: if this is intentional, prefix it with an underscore: `_calc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser.rs:126:17
[INFO] [stdout]     |
[INFO] [stdout] 126 |             let mut myself=Factor::new(n);
[INFO] [stdout]     |                 ----^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/parser.rs:231:27
[INFO] [stdout]     |
[INFO] [stdout] 231 |         TokenKind::Number(n) =>{
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `val_of_this` is never read
[INFO] [stdout]    --> src/parser.rs:154:25
[INFO] [stdout]     |
[INFO] [stdout] 154 |     let mut val_of_this=0;
[INFO] [stdout]     |                         ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parent_factor_paren`
[INFO] [stdout]    --> src/parser.rs:248:50
[INFO] [stdout]     |
[INFO] [stdout] 248 | ..._param:usize,parent_factor_paren:&mut Option<&mut Factor>,parent_expr:&mut Option<&mut Expr>,parent_is_factor:bool)->Result<usiz...
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parent_factor_paren`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/parser.rs:312:27
[INFO] [stdout]     |
[INFO] [stdout] 312 |         TokenKind::Number(n) =>{
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `val_of_this` is never read
[INFO] [stdout]    --> src/parser.rs:250:25
[INFO] [stdout]     |
[INFO] [stdout] 250 |     let mut val_of_this=0;
[INFO] [stdout]     |                         ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `val_of_this` is never read
[INFO] [stdout]    --> src/parser.rs:254:5
[INFO] [stdout]     |
[INFO] [stdout] 254 |     val_of_this=myself.left_val;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/parser.rs:398:31
[INFO] [stdout]     |
[INFO] [stdout] 398 |             TokenKind::Number(n) =>{
[INFO] [stdout]     |                               ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `pos` is never read
[INFO] [stdout]    --> src/parser.rs:368:25
[INFO] [stdout]     |
[INFO] [stdout] 368 |                         pos=p;
[INFO] [stdout]     |                         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `pos` is never read
[INFO] [stdout]    --> src/parser.rs:386:25
[INFO] [stdout]     |
[INFO] [stdout] 386 |                         pos=p;
[INFO] [stdout]     |                         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `val_of_this` is never read
[INFO] [stdout]    --> src/parser.rs:340:29
[INFO] [stdout]     |
[INFO] [stdout] 340 |         let mut val_of_this=0;
[INFO] [stdout]     |                             ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `val_of_this` is never read
[INFO] [stdout]    --> src/parser.rs:343:9
[INFO] [stdout]     |
[INFO] [stdout] 343 |         val_of_this = self.root_expr.left_val;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `calc`
[INFO] [stdout]    --> src/event.rs:171:16
[INFO] [stdout]     |
[INFO] [stdout] 171 |     pub fn new(calc: Calc) -> Self {
[INFO] [stdout]     |                ^^^^ help: if this is intentional, prefix it with an underscore: `_calc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/lexer.rs:89:17
[INFO] [stdout]    |
[INFO] [stdout] 89 |                 b => break,
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_str`
[INFO] [stdout]   --> src/lexer.rs:93:13
[INFO] [stdout]    |
[INFO] [stdout] 93 |         let num_str=num.to_string();
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/lexer.rs:99:31
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn lex_plus(&mut self,input: &[u8],pos: usize) ->  usize{
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/lexer.rs:107:32
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn lex_minus(&mut self,input: &[u8],pos: usize) ->  usize{
[INFO] [stdout]     |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/lexer.rs:115:35
[INFO] [stdout]     |
[INFO] [stdout] 115 |     pub fn lex_astarisk(&mut self,input: &[u8],pos: usize) ->  usize{
[INFO] [stdout]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/lexer.rs:123:32
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub fn lex_slash(&mut self,input: &[u8],pos: usize) ->  usize{
[INFO] [stdout]     |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/lexer.rs:131:33
[INFO] [stdout]     |
[INFO] [stdout] 131 |     pub fn lex_lparen(&mut self,input: &[u8],pos: usize) ->  usize{
[INFO] [stdout]     |                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/lexer.rs:139:33
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub fn lex_rparen(&mut self,input: &[u8],pos: usize) ->  usize{
[INFO] [stdout]     |                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `length`
[INFO] [stdout]    --> src/lexer.rs:148:13
[INFO] [stdout]     |
[INFO] [stdout] 148 |         let length=form1.len() as i32;
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_length`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `value`, `is_num`, and `in_paren` are never read
[INFO] [stdout]   --> src/parser.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct Factor{
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 32 |     value:i32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 33 |     is_num:bool,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 34 |     in_paren:Option<Box<Expr>>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_paren` is never used
[INFO] [stdout]   --> src/parser.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl Factor{
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 45 |     fn new_paren()->Factor{
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Minus`, `Slash`, `Lparen`, and `Rparen` are never constructed
[INFO] [stdout]   --> src/lexer.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub enum TokenKind {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 10 |     Minus,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 11 |     Asterisk,
[INFO] [stdout] 12 |     Slash,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 13 |     Lparen,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 14 |     Rparen
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `minus`, `slash`, `lparen`, and `rparen` are never used
[INFO] [stdout]   --> src/lexer.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl Token{
[INFO] [stdout]    | ---------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn minus()-> Self{
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn slash()-> Self{
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     pub fn lparen()-> Self{
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub fn rparen()-> Self{
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `lex_minus`, `lex_slash`, `lex_lparen`, and `lex_rparen` are never used
[INFO] [stdout]    --> src/lexer.rs:107:12
[INFO] [stdout]     |
[INFO] [stdout]  78 | impl Lexer{
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 107 |     pub fn lex_minus(&mut self,input: &[u8],pos: usize) ->  usize{
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 |     pub fn lex_slash(&mut self,input: &[u8],pos: usize) ->  usize{
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 131 |     pub fn lex_lparen(&mut self,input: &[u8],pos: usize) ->  usize{
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 139 |     pub fn lex_rparen(&mut self,input: &[u8],pos: usize) ->  usize{
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `TermOp` should have a snake case name
[INFO] [stdout]   --> src/parser.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     TermOp:Option<TermOpObj>,
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to snake case: `term_op`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Op` should have a snake case name
[INFO] [stdout]   --> src/parser.rs:65:62
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn new(left:Option<Box<Factor>>, right:Option<Box<Term>>,Op:Option<TermOpObj>)->Term{
[INFO] [stdout]    |                                                              ^^ help: convert the identifier to snake case (notice the capitalization): `op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `ExprOp` should have a snake case name
[INFO] [stdout]   --> src/parser.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 |     ExprOp:Option<ExprOpObj>,
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to snake case: `expr_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Op` should have a snake case name
[INFO] [stdout]   --> src/parser.rs:89:60
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn new(left:Option<Box<Term>>, right:Option<Box<Expr>>,Op:Option<ExprOpObj>)->Expr{
[INFO] [stdout]    |                                                            ^^ help: convert the identifier to snake case (notice the capitalization): `op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/lexer.rs:89:17
[INFO] [stdout]    |
[INFO] [stdout] 89 |                 b => break,
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_str`
[INFO] [stdout]   --> src/lexer.rs:93:13
[INFO] [stdout]    |
[INFO] [stdout] 93 |         let num_str=num.to_string();
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/lexer.rs:99:31
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn lex_plus(&mut self,input: &[u8],pos: usize) ->  usize{
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Tokens` should have a snake case name
[INFO] [stdout]   --> src/lexer.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub Tokens:Vec<Token>,
[INFO] [stdout]    |         ^^^^^^ help: convert the identifier to snake case: `tokens`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/lexer.rs:107:32
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn lex_minus(&mut self,input: &[u8],pos: usize) ->  usize{
[INFO] [stdout]     |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/lexer.rs:115:35
[INFO] [stdout]     |
[INFO] [stdout] 115 |     pub fn lex_astarisk(&mut self,input: &[u8],pos: usize) ->  usize{
[INFO] [stdout]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/lexer.rs:123:32
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub fn lex_slash(&mut self,input: &[u8],pos: usize) ->  usize{
[INFO] [stdout]     |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/lexer.rs:131:33
[INFO] [stdout]     |
[INFO] [stdout] 131 |     pub fn lex_lparen(&mut self,input: &[u8],pos: usize) ->  usize{
[INFO] [stdout]     |                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/lexer.rs:139:33
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub fn lex_rparen(&mut self,input: &[u8],pos: usize) ->  usize{
[INFO] [stdout]     |                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `length`
[INFO] [stdout]    --> src/lexer.rs:148:13
[INFO] [stdout]     |
[INFO] [stdout] 148 |         let length=form1.len() as i32;
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_length`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `value`, `is_num`, and `in_paren` are never read
[INFO] [stdout]   --> src/parser.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct Factor{
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 32 |     value:i32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 33 |     is_num:bool,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 34 |     in_paren:Option<Box<Expr>>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_paren` is never used
[INFO] [stdout]   --> src/parser.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl Factor{
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 45 |     fn new_paren()->Factor{
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Minus`, `Slash`, `Lparen`, and `Rparen` are never constructed
[INFO] [stdout]   --> src/lexer.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub enum TokenKind {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 10 |     Minus,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 11 |     Asterisk,
[INFO] [stdout] 12 |     Slash,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 13 |     Lparen,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 14 |     Rparen
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `minus`, `slash`, `lparen`, and `rparen` are never used
[INFO] [stdout]   --> src/lexer.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl Token{
[INFO] [stdout]    | ---------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn minus()-> Self{
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn slash()-> Self{
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     pub fn lparen()-> Self{
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub fn rparen()-> Self{
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `lex_minus`, `lex_slash`, `lex_lparen`, and `lex_rparen` are never used
[INFO] [stdout]    --> src/lexer.rs:107:12
[INFO] [stdout]     |
[INFO] [stdout]  78 | impl Lexer{
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 107 |     pub fn lex_minus(&mut self,input: &[u8],pos: usize) ->  usize{
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 |     pub fn lex_slash(&mut self,input: &[u8],pos: usize) ->  usize{
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 131 |     pub fn lex_lparen(&mut self,input: &[u8],pos: usize) ->  usize{
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 139 |     pub fn lex_rparen(&mut self,input: &[u8],pos: usize) ->  usize{
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `TermOp` should have a snake case name
[INFO] [stdout]   --> src/parser.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     TermOp:Option<TermOpObj>,
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to snake case: `term_op`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Op` should have a snake case name
[INFO] [stdout]   --> src/parser.rs:65:62
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn new(left:Option<Box<Factor>>, right:Option<Box<Term>>,Op:Option<TermOpObj>)->Term{
[INFO] [stdout]    |                                                              ^^ help: convert the identifier to snake case (notice the capitalization): `op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `ExprOp` should have a snake case name
[INFO] [stdout]   --> src/parser.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 |     ExprOp:Option<ExprOpObj>,
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to snake case: `expr_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Op` should have a snake case name
[INFO] [stdout]   --> src/parser.rs:89:60
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn new(left:Option<Box<Term>>, right:Option<Box<Expr>>,Op:Option<ExprOpObj>)->Expr{
[INFO] [stdout]    |                                                            ^^ help: convert the identifier to snake case (notice the capitalization): `op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Tokens` should have a snake case name
[INFO] [stdout]   --> src/lexer.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub Tokens:Vec<Token>,
[INFO] [stdout]    |         ^^^^^^ help: convert the identifier to snake case: `tokens`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.37s
[INFO] running `Command { std: "docker" "inspect" "0a4a94a6399d0c7fdbca2310ef5e9c4d36a79fc1c4ba1d0456ae441a2ffd8410", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a4a94a6399d0c7fdbca2310ef5e9c4d36a79fc1c4ba1d0456ae441a2ffd8410", kill_on_drop: false }`
[INFO] [stdout] 0a4a94a6399d0c7fdbca2310ef5e9c4d36a79fc1c4ba1d0456ae441a2ffd8410
