Nov 29 16:14:53.844 INFO checking tomvidm/rusty-cas against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 29 16:14:53.844 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-4/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +32252761328f59ccfadb1bafb8148c685bc830b3-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 29 16:14:54.310 INFO [stdout] 439dedbeaf2112f5e93dffb48ee4d033c94363697a03aa4997ab7f9ac50fa37a
Nov 29 16:14:54.313 INFO running `"docker" "start" "-a" "439dedbeaf2112f5e93dffb48ee4d033c94363697a03aa4997ab7f9ac50fa37a"`
Nov 29 16:14:55.940 INFO [stderr] usermod: no changes
Nov 29 16:14:56.052 INFO [stderr]     Checking sym v0.1.0 (/source)
Nov 29 16:14:56.348 INFO [stderr] warning: unused import: `std::io`
Nov 29 16:14:56.348 INFO [stderr]  --> src/lexer.rs:2:5
Nov 29 16:14:56.348 INFO [stderr]   |
Nov 29 16:14:56.348 INFO [stderr] 2 | use std::io;
Nov 29 16:14:56.348 INFO [stderr]   |     ^^^^^^^
Nov 29 16:14:56.348 INFO [stderr]   |
Nov 29 16:14:56.348 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 16:14:56.348 INFO [stderr] 
Nov 29 16:14:56.348 INFO [stderr] warning: unused import: `std::char`
Nov 29 16:14:56.348 INFO [stderr]  --> src/lexer.rs:3:5
Nov 29 16:14:56.348 INFO [stderr]   |
Nov 29 16:14:56.348 INFO [stderr] 3 | use std::char;
Nov 29 16:14:56.348 INFO [stderr]   |     ^^^^^^^^^
Nov 29 16:14:56.348 INFO [stderr] 
Nov 29 16:14:56.348 INFO [stderr] warning: unused import: `Term`
Nov 29 16:14:56.349 INFO [stderr]    --> src/lexer.rs:125:23
Nov 29 16:14:56.349 INFO [stderr]     |
Nov 29 16:14:56.349 INFO [stderr] 125 |     use self::Token::{Term, Operator};
Nov 29 16:14:56.349 INFO [stderr]     |                       ^^^^
Nov 29 16:14:56.349 INFO [stderr] 
Nov 29 16:14:56.349 INFO [stderr] warning: unused imports: `Number`, `VariableKey`
Nov 29 16:14:56.349 INFO [stderr]    --> src/lexer.rs:126:27
Nov 29 16:14:56.349 INFO [stderr]     |
Nov 29 16:14:56.349 INFO [stderr] 126 |     use self::TermToken::{Number, VariableKey};
Nov 29 16:14:56.349 INFO [stderr]     |                           ^^^^^^  ^^^^^^^^^^^
Nov 29 16:14:56.349 INFO [stderr] 
Nov 29 16:14:56.349 INFO [stderr] warning: unused imports: `Number`, `VariableKey`
Nov 29 16:14:56.349 INFO [stderr]    --> src/lexer.rs:161:27
Nov 29 16:14:56.349 INFO [stderr]     |
Nov 29 16:14:56.349 INFO [stderr] 161 |     use self::TermToken::{Number, VariableKey};
Nov 29 16:14:56.349 INFO [stderr]     |                           ^^^^^^  ^^^^^^^^^^^
Nov 29 16:14:56.349 INFO [stderr] 
Nov 29 16:14:56.349 INFO [stderr] warning: doc comment not used by rustdoc
Nov 29 16:14:56.349 INFO [stderr]    --> src/lexer.rs:241:25
Nov 29 16:14:56.349 INFO [stderr]     |
Nov 29 16:14:56.349 INFO [stderr] 241 |                         /// Push top operator to output
Nov 29 16:14:56.349 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 16:14:56.349 INFO [stderr]     |
Nov 29 16:14:56.349 INFO [stderr]     = note: #[warn(unused_doc_comments)] on by default
Nov 29 16:14:56.349 INFO [stderr] 
Nov 29 16:14:56.634 INFO [stderr] warning: unreachable pattern
Nov 29 16:14:56.634 INFO [stderr]    --> src/symexpr_rc.rs:212:13
Nov 29 16:14:56.634 INFO [stderr]     |
Nov 29 16:14:56.634 INFO [stderr] 212 |             _ => return None
Nov 29 16:14:56.634 INFO [stderr]     |             ^
Nov 29 16:14:56.634 INFO [stderr]     |
Nov 29 16:14:56.634 INFO [stderr]     = note: #[warn(unreachable_patterns)] on by default
Nov 29 16:14:56.634 INFO [stderr] 
Nov 29 16:14:56.637 INFO [stderr] warning: unused variable: `ch`
Nov 29 16:14:56.637 INFO [stderr]    --> src/lexer.rs:128:9
Nov 29 16:14:56.637 INFO [stderr]     |
Nov 29 16:14:56.637 INFO [stderr] 128 |     for ch in slice.chars() {
Nov 29 16:14:56.637 INFO [stderr]     |         ^^ help: consider using `_ch` instead
Nov 29 16:14:56.637 INFO [stderr]     |
Nov 29 16:14:56.637 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 29 16:14:56.637 INFO [stderr] 
Nov 29 16:14:56.637 INFO [stderr] warning: unused variable: `i`
Nov 29 16:14:56.637 INFO [stderr]    --> src/lexer.rs:135:10
Nov 29 16:14:56.637 INFO [stderr]     |
Nov 29 16:14:56.637 INFO [stderr] 135 |     for (i, token) in tokens.iter().enumerate() {
Nov 29 16:14:56.637 INFO [stderr]     |          ^ help: consider using `_i` instead
Nov 29 16:14:56.637 INFO [stderr] 
Nov 29 16:14:56.637 INFO [stderr] warning: unused variable: `temp_number`
Nov 29 16:14:56.638 INFO [stderr]    --> src/lexer.rs:165:13
Nov 29 16:14:56.638 INFO [stderr]     |
Nov 29 16:14:56.638 INFO [stderr] 165 |     let mut temp_number = Numeric::from_integer(0);
Nov 29 16:14:56.638 INFO [stderr]     |             ^^^^^^^^^^^ help: consider using `_temp_number` instead
Nov 29 16:14:56.638 INFO [stderr] 
Nov 29 16:14:56.638 INFO [stderr] warning: unused variable: `i`
Nov 29 16:14:56.638 INFO [stderr]    --> src/lexer.rs:166:10
Nov 29 16:14:56.638 INFO [stderr]     |
Nov 29 16:14:56.638 INFO [stderr] 166 |     for (i, ch) in string.chars().enumerate() {
Nov 29 16:14:56.638 INFO [stderr]     |          ^ help: consider using `_i` instead
Nov 29 16:14:56.638 INFO [stderr] 
Nov 29 16:14:56.638 INFO [stderr] warning: unused variable: `i`
Nov 29 16:14:56.638 INFO [stderr]    --> src/lexer.rs:207:10
Nov 29 16:14:56.638 INFO [stderr]     |
Nov 29 16:14:56.638 INFO [stderr] 207 |     for (i, token) in tokens.iter().enumerate() {
Nov 29 16:14:56.638 INFO [stderr]     |          ^ help: consider using `_i` instead
Nov 29 16:14:56.638 INFO [stderr] 
Nov 29 16:14:56.638 INFO [stderr] warning: unused variable: `string`
Nov 29 16:14:56.638 INFO [stderr]   --> src/cli.rs:21:16
Nov 29 16:14:56.638 INFO [stderr]    |
Nov 29 16:14:56.638 INFO [stderr] 21 | fn parse_input(string: &String) {
Nov 29 16:14:56.638 INFO [stderr]    |                ^^^^^^ help: consider using `_string` instead
Nov 29 16:14:56.638 INFO [stderr] 
Nov 29 16:14:56.638 INFO [stderr] warning: unused variable: `x`
Nov 29 16:14:56.638 INFO [stderr]   --> src/main.rs:13:13
Nov 29 16:14:56.638 INFO [stderr]    |
Nov 29 16:14:56.638 INFO [stderr] 13 |     for (i, x) in b.iter().enumerate() {
Nov 29 16:14:56.638 INFO [stderr]    |             ^ help: consider using `_x` instead
Nov 29 16:14:56.638 INFO [stderr] 
Nov 29 16:14:56.639 INFO [stderr] warning: value assigned to `postfixed_tokens` is never read
Nov 29 16:14:56.639 INFO [stderr]    --> src/symengine.rs:105:17
Nov 29 16:14:56.639 INFO [stderr]     |
Nov 29 16:14:56.639 INFO [stderr] 105 |         let mut postfixed_tokens: Vec<Token> = Vec::new();
Nov 29 16:14:56.639 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^
Nov 29 16:14:56.644 INFO [stderr]     |
Nov 29 16:14:56.644 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Nov 29 16:14:56.644 INFO [stderr] 
Nov 29 16:14:56.682 INFO [stderr] warning: unused import: `std::io`
Nov 29 16:14:56.682 INFO [stderr]  --> src/lexer.rs:2:5
Nov 29 16:14:56.682 INFO [stderr]   |
Nov 29 16:14:56.682 INFO [stderr] 2 | use std::io;
Nov 29 16:14:56.682 INFO [stderr]   |     ^^^^^^^
Nov 29 16:14:56.682 INFO [stderr]   |
Nov 29 16:14:56.682 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 16:14:56.682 INFO [stderr] 
Nov 29 16:14:56.682 INFO [stderr] warning: unused import: `std::char`
Nov 29 16:14:56.682 INFO [stderr]  --> src/lexer.rs:3:5
Nov 29 16:14:56.682 INFO [stderr]   |
Nov 29 16:14:56.682 INFO [stderr] 3 | use std::char;
Nov 29 16:14:56.682 INFO [stderr]   |     ^^^^^^^^^
Nov 29 16:14:56.682 INFO [stderr] 
Nov 29 16:14:56.682 INFO [stderr] warning: unused import: `Term`
Nov 29 16:14:56.682 INFO [stderr]    --> src/lexer.rs:125:23
Nov 29 16:14:56.682 INFO [stderr]     |
Nov 29 16:14:56.682 INFO [stderr] 125 |     use self::Token::{Term, Operator};
Nov 29 16:14:56.682 INFO [stderr]     |                       ^^^^
Nov 29 16:14:56.682 INFO [stderr] 
Nov 29 16:14:56.683 INFO [stderr] warning: unused imports: `Number`, `VariableKey`
Nov 29 16:14:56.683 INFO [stderr]    --> src/lexer.rs:126:27
Nov 29 16:14:56.683 INFO [stderr]     |
Nov 29 16:14:56.683 INFO [stderr] 126 |     use self::TermToken::{Number, VariableKey};
Nov 29 16:14:56.683 INFO [stderr]     |                           ^^^^^^  ^^^^^^^^^^^
Nov 29 16:14:56.683 INFO [stderr] 
Nov 29 16:14:56.683 INFO [stderr] warning: unused imports: `Number`, `VariableKey`
Nov 29 16:14:56.683 INFO [stderr]    --> src/lexer.rs:161:27
Nov 29 16:14:56.683 INFO [stderr]     |
Nov 29 16:14:56.683 INFO [stderr] 161 |     use self::TermToken::{Number, VariableKey};
Nov 29 16:14:56.683 INFO [stderr]     |                           ^^^^^^  ^^^^^^^^^^^
Nov 29 16:14:56.683 INFO [stderr] 
Nov 29 16:14:56.683 INFO [stderr] warning: doc comment not used by rustdoc
Nov 29 16:14:56.683 INFO [stderr]    --> src/lexer.rs:241:25
Nov 29 16:14:56.683 INFO [stderr]     |
Nov 29 16:14:56.683 INFO [stderr] 241 |                         /// Push top operator to output
Nov 29 16:14:56.683 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 16:14:56.683 INFO [stderr]     |
Nov 29 16:14:56.683 INFO [stderr]     = note: #[warn(unused_doc_comments)] on by default
Nov 29 16:14:56.683 INFO [stderr] 
Nov 29 16:14:56.683 INFO [stderr] warning: unused import: `Term`
Nov 29 16:14:56.683 INFO [stderr]    --> src/lexer.rs:268:23
Nov 29 16:14:56.683 INFO [stderr]     |
Nov 29 16:14:56.683 INFO [stderr] 268 |     use self::Token::{Term, Operator};
Nov 29 16:14:56.683 INFO [stderr]     |                       ^^^^
Nov 29 16:14:56.683 INFO [stderr] 
Nov 29 16:14:56.683 INFO [stderr] warning: unused import: `Number`
Nov 29 16:14:56.683 INFO [stderr]    --> src/lexer.rs:279:27
Nov 29 16:14:56.683 INFO [stderr]     |
Nov 29 16:14:56.683 INFO [stderr] 279 |     use self::TermToken::{Number, VariableKey};
Nov 29 16:14:56.683 INFO [stderr]     |                           ^^^^^^
Nov 29 16:14:56.683 INFO [stderr] 
Nov 29 16:14:56.683 INFO [stderr] warning: unused import: `Number`
Nov 29 16:14:56.683 INFO [stderr]    --> src/lexer.rs:299:27
Nov 29 16:14:56.683 INFO [stderr]     |
Nov 29 16:14:56.683 INFO [stderr] 299 |     use self::TermToken::{Number, VariableKey};
Nov 29 16:14:56.683 INFO [stderr]     |                           ^^^^^^
Nov 29 16:14:56.683 INFO [stderr] 
Nov 29 16:14:56.683 INFO [stderr] warning: unused import: `Number`
Nov 29 16:14:56.683 INFO [stderr]    --> src/lexer.rs:377:27
Nov 29 16:14:56.683 INFO [stderr]     |
Nov 29 16:14:56.683 INFO [stderr] 377 |     use self::TermToken::{Number, VariableKey};
Nov 29 16:14:56.683 INFO [stderr]     |                           ^^^^^^
Nov 29 16:14:56.683 INFO [stderr] 
Nov 29 16:14:56.760 INFO [stderr] warning: variable does not need to be mutable
Nov 29 16:14:56.760 INFO [stderr]    --> src/lexer.rs:165:9
Nov 29 16:14:56.760 INFO [stderr]     |
Nov 29 16:14:56.760 INFO [stderr] 165 |     let mut temp_number = Numeric::from_integer(0);
Nov 29 16:14:56.760 INFO [stderr]     |         ----^^^^^^^^^^^
Nov 29 16:14:56.760 INFO [stderr]     |         |
Nov 29 16:14:56.760 INFO [stderr]     |         help: remove this `mut`
Nov 29 16:14:56.760 INFO [stderr]     |
Nov 29 16:14:56.760 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 29 16:14:56.760 INFO [stderr] 
Nov 29 16:14:56.778 INFO [stderr] warning: method is never used: `eval_expr_with`
Nov 29 16:14:56.778 INFO [stderr]   --> src/symengine.rs:25:5
Nov 29 16:14:56.778 INFO [stderr]    |
Nov 29 16:14:56.778 INFO [stderr] 25 |     fn eval_expr_with(&self,key: &String, values: &Vec<Numeric>) -> Option<Numeric> {
Nov 29 16:14:56.778 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 16:14:56.778 INFO [stderr]    |
Nov 29 16:14:56.778 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 29 16:14:56.778 INFO [stderr] 
Nov 29 16:14:56.778 INFO [stderr] warning: method is never used: `get_variable`
Nov 29 16:14:56.778 INFO [stderr]   --> src/symengine.rs:39:5
Nov 29 16:14:56.779 INFO [stderr]    |
Nov 29 16:14:56.779 INFO [stderr] 39 |     fn get_variable(&self, key: &String) -> Option<Numeric> {
Nov 29 16:14:56.779 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 16:14:56.779 INFO [stderr] 
Nov 29 16:14:56.779 INFO [stderr] warning: function is never used: `tokenize_number`
Nov 29 16:14:56.779 INFO [stderr]    --> src/lexer.rs:124:1
Nov 29 16:14:56.779 INFO [stderr]     |
Nov 29 16:14:56.779 INFO [stderr] 124 | fn tokenize_number(slice: &str) -> Token {
Nov 29 16:14:56.779 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 16:14:56.779 INFO [stderr] 
Nov 29 16:14:56.779 INFO [stderr] warning: function is never used: `string_to_postfix`
Nov 29 16:14:56.779 INFO [stderr]    --> src/lexer.rs:261:1
Nov 29 16:14:56.779 INFO [stderr]     |
Nov 29 16:14:56.779 INFO [stderr] 261 | pub fn string_to_postfix(string: &String) -> Tokens {
Nov 29 16:14:56.779 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 16:14:56.779 INFO [stderr] 
Nov 29 16:14:56.779 INFO [stderr] warning: function is never used: `parse_input`
Nov 29 16:14:56.779 INFO [stderr]   --> src/cli.rs:21:1
Nov 29 16:14:56.779 INFO [stderr]    |
Nov 29 16:14:56.779 INFO [stderr] 21 | fn parse_input(string: &String) {
Nov 29 16:14:56.779 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 16:14:56.779 INFO [stderr] 
Nov 29 16:14:56.782 INFO [stderr] warning: constant `LeftP` should have an upper case name such as `LEFT_P`
Nov 29 16:14:56.782 INFO [stderr]    --> src/lexer.rs:101:1
Nov 29 16:14:56.782 INFO [stderr]     |
Nov 29 16:14:56.782 INFO [stderr] 101 | const LeftP: Operator = Operator{precedence: 1, op: OperatorType::LeftP};
Nov 29 16:14:56.782 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 16:14:56.782 INFO [stderr]     |
Nov 29 16:14:56.782 INFO [stderr]     = note: #[warn(non_upper_case_globals)] on by default
Nov 29 16:14:56.782 INFO [stderr] 
Nov 29 16:14:56.783 INFO [stderr] warning: constant `RightP` should have an upper case name such as `RIGHT_P`
Nov 29 16:14:56.783 INFO [stderr]    --> src/lexer.rs:102:1
Nov 29 16:14:56.783 INFO [stderr]     |
Nov 29 16:14:56.783 INFO [stderr] 102 | const RightP: Operator = Operator{precedence: 1, op: OperatorType::RightP};
Nov 29 16:14:56.783 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 16:14:56.783 INFO [stderr] 
Nov 29 16:14:56.783 INFO [stderr] warning: constant `Add` should have an upper case name such as `ADD`
Nov 29 16:14:56.783 INFO [stderr]    --> src/lexer.rs:103:1
Nov 29 16:14:56.783 INFO [stderr]     |
Nov 29 16:14:56.783 INFO [stderr] 103 | const Add: Operator = Operator{precedence: 2, op: OperatorType::Add};
Nov 29 16:14:56.783 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 16:14:56.783 INFO [stderr] 
Nov 29 16:14:56.785 INFO [stderr] warning: constant `Mul` should have an upper case name such as `MUL`
Nov 29 16:14:56.785 INFO [stderr]    --> src/lexer.rs:104:1
Nov 29 16:14:56.785 INFO [stderr]     |
Nov 29 16:14:56.785 INFO [stderr] 104 | const Mul: Operator = Operator{precedence: 4, op: OperatorType::Mul};
Nov 29 16:14:56.785 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 16:14:56.785 INFO [stderr] 
Nov 29 16:14:56.785 INFO [stderr] warning: constant `Assignment` should have an upper case name such as `ASSIGNMENT`
Nov 29 16:14:56.785 INFO [stderr]    --> src/lexer.rs:105:1
Nov 29 16:14:56.785 INFO [stderr]     |
Nov 29 16:14:56.785 INFO [stderr] 105 | const Assignment: Operator = Operator{precedence: 4, op: OperatorType::Assignment};
Nov 29 16:14:56.785 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 16:14:56.785 INFO [stderr] 
Nov 29 16:14:56.786 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 16:14:56.786 INFO [stderr]   --> src/cli.rs:46:5
Nov 29 16:14:56.786 INFO [stderr]    |
Nov 29 16:14:56.786 INFO [stderr] 46 |     io::stdout().flush();
Nov 29 16:14:56.786 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 29 16:14:56.786 INFO [stderr]    |
Nov 29 16:14:56.786 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 29 16:14:56.786 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 16:14:56.786 INFO [stderr] 
Nov 29 16:14:56.786 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 16:14:56.786 INFO [stderr]   --> src/cli.rs:47:5
Nov 29 16:14:56.786 INFO [stderr]    |
Nov 29 16:14:56.786 INFO [stderr] 47 |     io::stdin().read_line(&mut input);
Nov 29 16:14:56.786 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 16:14:56.786 INFO [stderr]    |
Nov 29 16:14:56.786 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 16:14:56.786 INFO [stderr] 
Nov 29 16:14:57.152 INFO [stderr] warning: unreachable pattern
Nov 29 16:14:57.152 INFO [stderr]    --> src/symexpr_rc.rs:212:13
Nov 29 16:14:57.152 INFO [stderr]     |
Nov 29 16:14:57.152 INFO [stderr] 212 |             _ => return None
Nov 29 16:14:57.152 INFO [stderr]     |             ^
Nov 29 16:14:57.152 INFO [stderr]     |
Nov 29 16:14:57.152 INFO [stderr]     = note: #[warn(unreachable_patterns)] on by default
Nov 29 16:14:57.152 INFO [stderr] 
Nov 29 16:14:57.152 INFO [stderr] warning: unused variable: `ch`
Nov 29 16:14:57.152 INFO [stderr]    --> src/lexer.rs:128:9
Nov 29 16:14:57.152 INFO [stderr]     |
Nov 29 16:14:57.152 INFO [stderr] 128 |     for ch in slice.chars() {
Nov 29 16:14:57.152 INFO [stderr]     |         ^^ help: consider using `_ch` instead
Nov 29 16:14:57.152 INFO [stderr]     |
Nov 29 16:14:57.152 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 29 16:14:57.152 INFO [stderr] 
Nov 29 16:14:57.152 INFO [stderr] warning: unused variable: `i`
Nov 29 16:14:57.152 INFO [stderr]    --> src/lexer.rs:135:10
Nov 29 16:14:57.152 INFO [stderr]     |
Nov 29 16:14:57.152 INFO [stderr] 135 |     for (i, token) in tokens.iter().enumerate() {
Nov 29 16:14:57.152 INFO [stderr]     |          ^ help: consider using `_i` instead
Nov 29 16:14:57.152 INFO [stderr] 
Nov 29 16:14:57.152 INFO [stderr] warning: unused variable: `temp_number`
Nov 29 16:14:57.152 INFO [stderr]    --> src/lexer.rs:165:13
Nov 29 16:14:57.152 INFO [stderr]     |
Nov 29 16:14:57.152 INFO [stderr] 165 |     let mut temp_number = Numeric::from_integer(0);
Nov 29 16:14:57.152 INFO [stderr]     |             ^^^^^^^^^^^ help: consider using `_temp_number` instead
Nov 29 16:14:57.152 INFO [stderr] 
Nov 29 16:14:57.152 INFO [stderr] warning: unused variable: `i`
Nov 29 16:14:57.152 INFO [stderr]    --> src/lexer.rs:166:10
Nov 29 16:14:57.152 INFO [stderr]     |
Nov 29 16:14:57.152 INFO [stderr] 166 |     for (i, ch) in string.chars().enumerate() {
Nov 29 16:14:57.152 INFO [stderr]     |          ^ help: consider using `_i` instead
Nov 29 16:14:57.153 INFO [stderr] 
Nov 29 16:14:57.153 INFO [stderr] warning: unused variable: `i`
Nov 29 16:14:57.153 INFO [stderr]    --> src/lexer.rs:207:10
Nov 29 16:14:57.153 INFO [stderr]     |
Nov 29 16:14:57.153 INFO [stderr] 207 |     for (i, token) in tokens.iter().enumerate() {
Nov 29 16:14:57.153 INFO [stderr]     |          ^ help: consider using `_i` instead
Nov 29 16:14:57.153 INFO [stderr] 
Nov 29 16:14:57.153 INFO [stderr] warning: unused variable: `string`
Nov 29 16:14:57.153 INFO [stderr]   --> src/cli.rs:21:16
Nov 29 16:14:57.153 INFO [stderr]    |
Nov 29 16:14:57.153 INFO [stderr] 21 | fn parse_input(string: &String) {
Nov 29 16:14:57.153 INFO [stderr]    |                ^^^^^^ help: consider using `_string` instead
Nov 29 16:14:57.153 INFO [stderr] 
Nov 29 16:14:57.153 INFO [stderr] warning: unused variable: `x`
Nov 29 16:14:57.153 INFO [stderr]   --> src/main.rs:13:13
Nov 29 16:14:57.153 INFO [stderr]    |
Nov 29 16:14:57.153 INFO [stderr] 13 |     for (i, x) in b.iter().enumerate() {
Nov 29 16:14:57.153 INFO [stderr]    |             ^ help: consider using `_x` instead
Nov 29 16:14:57.153 INFO [stderr] 
Nov 29 16:14:57.153 INFO [stderr] warning: unused variable: `values`
Nov 29 16:14:57.154 INFO [stderr]    --> src/symexpr_rc.rs:288:9
Nov 29 16:14:57.154 INFO [stderr]     |
Nov 29 16:14:57.154 INFO [stderr] 288 |     let values: Vec<Numeric> = vec![
Nov 29 16:14:57.154 INFO [stderr]     |         ^^^^^^ help: consider using `_values` instead
Nov 29 16:14:57.154 INFO [stderr] 
Nov 29 16:14:57.154 INFO [stderr] warning: unused variable: `key`
Nov 29 16:14:57.154 INFO [stderr]    --> src/symengine.rs:190:9
Nov 29 16:14:57.154 INFO [stderr]     |
Nov 29 16:14:57.154 INFO [stderr] 190 |     let key = String::from("x");
Nov 29 16:14:57.154 INFO [stderr]     |         ^^^ help: consider using `_key` instead
Nov 29 16:14:57.154 INFO [stderr] 
Nov 29 16:14:57.154 INFO [stderr] warning: value assigned to `postfixed_tokens` is never read
Nov 29 16:14:57.154 INFO [stderr]    --> src/symengine.rs:105:17
Nov 29 16:14:57.154 INFO [stderr]     |
Nov 29 16:14:57.154 INFO [stderr] 105 |         let mut postfixed_tokens: Vec<Token> = Vec::new();
Nov 29 16:14:57.154 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^
Nov 29 16:14:57.154 INFO [stderr]     |
Nov 29 16:14:57.154 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Nov 29 16:14:57.154 INFO [stderr] 
Nov 29 16:14:57.268 INFO [stderr] warning: variable does not need to be mutable
Nov 29 16:14:57.268 INFO [stderr]    --> src/lexer.rs:165:9
Nov 29 16:14:57.268 INFO [stderr]     |
Nov 29 16:14:57.268 INFO [stderr] 165 |     let mut temp_number = Numeric::from_integer(0);
Nov 29 16:14:57.268 INFO [stderr]     |         ----^^^^^^^^^^^
Nov 29 16:14:57.268 INFO [stderr]     |         |
Nov 29 16:14:57.268 INFO [stderr]     |         help: remove this `mut`
Nov 29 16:14:57.268 INFO [stderr]     |
Nov 29 16:14:57.268 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 29 16:14:57.268 INFO [stderr] 
Nov 29 16:14:57.304 INFO [stderr] warning: function is never used: `tokenize_number`
Nov 29 16:14:57.304 INFO [stderr]    --> src/lexer.rs:124:1
Nov 29 16:14:57.304 INFO [stderr]     |
Nov 29 16:14:57.304 INFO [stderr] 124 | fn tokenize_number(slice: &str) -> Token {
Nov 29 16:14:57.304 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 16:14:57.304 INFO [stderr]     |
Nov 29 16:14:57.304 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 29 16:14:57.304 INFO [stderr] 
Nov 29 16:14:57.304 INFO [stderr] warning: function is never used: `string_to_postfix`
Nov 29 16:14:57.304 INFO [stderr]    --> src/lexer.rs:261:1
Nov 29 16:14:57.304 INFO [stderr]     |
Nov 29 16:14:57.304 INFO [stderr] 261 | pub fn string_to_postfix(string: &String) -> Tokens {
Nov 29 16:14:57.304 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 16:14:57.304 INFO [stderr] 
Nov 29 16:14:57.304 INFO [stderr] warning: function is never used: `parse_input`
Nov 29 16:14:57.305 INFO [stderr]   --> src/cli.rs:21:1
Nov 29 16:14:57.305 INFO [stderr]    |
Nov 29 16:14:57.305 INFO [stderr] 21 | fn parse_input(string: &String) {
Nov 29 16:14:57.305 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 16:14:57.305 INFO [stderr] 
Nov 29 16:14:57.305 INFO [stderr] warning: constant `LeftP` should have an upper case name such as `LEFT_P`
Nov 29 16:14:57.305 INFO [stderr]    --> src/lexer.rs:101:1
Nov 29 16:14:57.305 INFO [stderr]     |
Nov 29 16:14:57.305 INFO [stderr] 101 | const LeftP: Operator = Operator{precedence: 1, op: OperatorType::LeftP};
Nov 29 16:14:57.305 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 16:14:57.305 INFO [stderr] 
Nov 29 16:14:57.305 INFO [stderr] warning: constant `RightP` should have an upper case name such as `RIGHT_P`
Nov 29 16:14:57.305 INFO [stderr]    --> src/lexer.rs:102:1
Nov 29 16:14:57.305 INFO [stderr]     |
Nov 29 16:14:57.305 INFO [stderr] 102 | const RightP: Operator = Operator{precedence: 1, op: OperatorType::RightP};
Nov 29 16:14:57.305 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 16:14:57.305 INFO [stderr] 
Nov 29 16:14:57.305 INFO [stderr] warning: constant `Add` should have an upper case name such as `ADD`
Nov 29 16:14:57.305 INFO [stderr]    --> src/lexer.rs:103:1
Nov 29 16:14:57.305 INFO [stderr]     |
Nov 29 16:14:57.305 INFO [stderr] 103 | const Add: Operator = Operator{precedence: 2, op: OperatorType::Add};
Nov 29 16:14:57.305 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 16:14:57.305 INFO [stderr] 
Nov 29 16:14:57.305 INFO [stderr] warning: constant `Mul` should have an upper case name such as `MUL`
Nov 29 16:14:57.305 INFO [stderr]    --> src/lexer.rs:104:1
Nov 29 16:14:57.305 INFO [stderr]     |
Nov 29 16:14:57.305 INFO [stderr] 104 | const Mul: Operator = Operator{precedence: 4, op: OperatorType::Mul};
Nov 29 16:14:57.305 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 16:14:57.305 INFO [stderr] 
Nov 29 16:14:57.305 INFO [stderr] warning: constant `Assignment` should have an upper case name such as `ASSIGNMENT`
Nov 29 16:14:57.305 INFO [stderr]    --> src/lexer.rs:105:1
Nov 29 16:14:57.305 INFO [stderr]     |
Nov 29 16:14:57.305 INFO [stderr] 105 | const Assignment: Operator = Operator{precedence: 4, op: OperatorType::Assignment};
Nov 29 16:14:57.305 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 16:14:57.305 INFO [stderr] 
Nov 29 16:14:57.312 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 16:14:57.312 INFO [stderr]   --> src/cli.rs:46:5
Nov 29 16:14:57.312 INFO [stderr]    |
Nov 29 16:14:57.312 INFO [stderr] 46 |     io::stdout().flush();
Nov 29 16:14:57.312 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 29 16:14:57.312 INFO [stderr]    |
Nov 29 16:14:57.312 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 29 16:14:57.312 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 16:14:57.312 INFO [stderr] 
Nov 29 16:14:57.312 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 16:14:57.312 INFO [stderr]   --> src/cli.rs:47:5
Nov 29 16:14:57.312 INFO [stderr]    |
Nov 29 16:14:57.312 INFO [stderr] 47 |     io::stdin().read_line(&mut input);
Nov 29 16:14:57.312 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 16:14:57.312 INFO [stderr]    |
Nov 29 16:14:57.312 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 16:14:57.312 INFO [stderr] 
Nov 29 16:14:57.384 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.39s
Nov 29 16:14:57.384 INFO [stderr] su: No module specific data is present
Nov 29 16:14:58.564 INFO running `"docker" "inspect" "439dedbeaf2112f5e93dffb48ee4d033c94363697a03aa4997ab7f9ac50fa37a"`
Nov 29 16:14:58.878 INFO running `"docker" "rm" "-f" "439dedbeaf2112f5e93dffb48ee4d033c94363697a03aa4997ab7f9ac50fa37a"`
Nov 29 16:14:59.192 INFO [stdout] 439dedbeaf2112f5e93dffb48ee4d033c94363697a03aa4997ab7f9ac50fa37a