[INFO] updating cached repository https://github.com/mcon/craftinginterpreters-rust
[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] [stderr] From https://github.com/mcon/craftinginterpreters-rust
[INFO] [stderr]    ea3ab52..d0a68fa  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d0a68fa2f93c40b78b5631617327782081c2694a
[INFO] checking mcon/craftinginterpreters-rust against master#212aa3ea28d91a97d1e1261709c0b6e6790788e6 for pr-69340
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmcon%2Fcraftinginterpreters-rust" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mcon/craftinginterpreters-rust on toolchain 212aa3ea28d91a97d1e1261709c0b6e6790788e6
[INFO] running `"/workspace/cargo-home/bin/cargo" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mcon/craftinginterpreters-rust
[INFO] finished tweaking git repo https://github.com/mcon/craftinginterpreters-rust
[INFO] tweaked toml for git repo https://github.com/mcon/craftinginterpreters-rust written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/mcon/craftinginterpreters-rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "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] d9b51e874c2f8078bf5289a8baeb2732894409a72aabf2437cae6fd8a8c9362b
[INFO] running `"docker" "start" "-a" "d9b51e874c2f8078bf5289a8baeb2732894409a72aabf2437cae6fd8a8c9362b"`
[INFO] [stderr]     Checking loxrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser.rs:38:34
[INFO] [stderr]    |
[INFO] [stderr] 38 |         current_exp_generator : &Fn(&mut Parser, &Token, Exp) -> Result<Exp, String>) -> Result<Exp, String> {
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Parser, &Token, Exp) -> Result<Exp, String>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::iter::FromIterator`
[INFO] [stderr]  --> src/interpreter.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::iter::FromIterator;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/scanner.rs:276:9
[INFO] [stderr]     |
[INFO] [stderr] 267 | /             match string.parse::<i64>() {
[INFO] [stderr] 268 | |                 Ok(result) => return Some(TokenType::Literal(Literal::NUMBER(result))),
[INFO] [stderr] 269 | |                 Err(_) => {
[INFO] [stderr] 270 | |                     self.errors.push(format!("Unable to parse number on line {}", self.line));
[INFO] [stderr] 271 | |                     return None
[INFO] [stderr] 272 | |                 }
[INFO] [stderr] 273 | |             }
[INFO] [stderr]     | |_____________- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stderr] ...
[INFO] [stderr] 276 |           self.errors.push(format!("Unknown error parsing number on line {}", self.line));
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser.rs:38:34
[INFO] [stderr]    |
[INFO] [stderr] 38 |         current_exp_generator : &Fn(&mut Parser, &Token, Exp) -> Result<Exp, String>) -> Result<Exp, String> {
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Parser, &Token, Exp) -> Result<Exp, String>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::iter::FromIterator`
[INFO] [stderr]  --> src/interpreter.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::iter::FromIterator;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `character`
[INFO] [stderr]    --> src/scanner.rs:226:13
[INFO] [stderr]     |
[INFO] [stderr] 226 |             character @ '0'..='9' => {
[INFO] [stderr]     |             ^^^^^^^^^ help: consider prefixing with an underscore: `_character`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `l_other`
[INFO] [stderr]   --> src/interpreter.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |         (Ok(l_other), Err(r_other)) => Err(r_other),
[INFO] [stderr]    |             ^^^^^^^ help: consider prefixing with an underscore: `_l_other`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/interpreter.rs:117:21
[INFO] [stderr]     |
[INFO] [stderr] 117 |                     x => {
[INFO] [stderr]     |                     ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lexeme`
[INFO] [stderr]   --> src/interpreter.rs:83:47
[INFO] [stderr]    |
[INFO] [stderr] 83 |         Token { token_type: TokenType::MINUS, lexeme, line } => {
[INFO] [stderr]    |                                               ^^^^^^ help: try ignoring the field: `lexeme: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]   --> src/interpreter.rs:83:55
[INFO] [stderr]    |
[INFO] [stderr] 83 |         Token { token_type: TokenType::MINUS, lexeme, line } => {
[INFO] [stderr]    |                                                       ^^^^ help: try ignoring the field: `line: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lexeme`
[INFO] [stderr]   --> src/interpreter.rs:87:47
[INFO] [stderr]    |
[INFO] [stderr] 87 |         Token { token_type: TokenType::SLASH, lexeme, line } => {
[INFO] [stderr]    |                                               ^^^^^^ help: try ignoring the field: `lexeme: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]   --> src/interpreter.rs:87:55
[INFO] [stderr]    |
[INFO] [stderr] 87 |         Token { token_type: TokenType::SLASH, lexeme, line } => {
[INFO] [stderr]    |                                                       ^^^^ help: try ignoring the field: `line: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lexeme`
[INFO] [stderr]   --> src/interpreter.rs:91:46
[INFO] [stderr]    |
[INFO] [stderr] 91 |         Token { token_type: TokenType::STAR, lexeme, line } => {
[INFO] [stderr]    |                                              ^^^^^^ help: try ignoring the field: `lexeme: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]   --> src/interpreter.rs:91:54
[INFO] [stderr]    |
[INFO] [stderr] 91 |         Token { token_type: TokenType::STAR, lexeme, line } => {
[INFO] [stderr]    |                                                      ^^^^ help: try ignoring the field: `line: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lexeme`
[INFO] [stderr]   --> src/interpreter.rs:95:49
[INFO] [stderr]    |
[INFO] [stderr] 95 |         Token { token_type: TokenType::GREATER, lexeme, line } => {
[INFO] [stderr]    |                                                 ^^^^^^ help: try ignoring the field: `lexeme: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]   --> src/interpreter.rs:95:57
[INFO] [stderr]    |
[INFO] [stderr] 95 |         Token { token_type: TokenType::GREATER, lexeme, line } => {
[INFO] [stderr]    |                                                         ^^^^ help: try ignoring the field: `line: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lexeme`
[INFO] [stderr]   --> src/interpreter.rs:99:54
[INFO] [stderr]    |
[INFO] [stderr] 99 |         Token { token_type: TokenType::GreaterEqual, lexeme, line } => {
[INFO] [stderr]    |                                                      ^^^^^^ help: try ignoring the field: `lexeme: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]   --> src/interpreter.rs:99:62
[INFO] [stderr]    |
[INFO] [stderr] 99 |         Token { token_type: TokenType::GreaterEqual, lexeme, line } => {
[INFO] [stderr]    |                                                              ^^^^ help: try ignoring the field: `line: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lexeme`
[INFO] [stderr]    --> src/interpreter.rs:103:46
[INFO] [stderr]     |
[INFO] [stderr] 103 |         Token { token_type: TokenType::LESS, lexeme, line } => {
[INFO] [stderr]     |                                              ^^^^^^ help: try ignoring the field: `lexeme: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]    --> src/interpreter.rs:103:54
[INFO] [stderr]     |
[INFO] [stderr] 103 |         Token { token_type: TokenType::LESS, lexeme, line } => {
[INFO] [stderr]     |                                                      ^^^^ help: try ignoring the field: `line: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lexeme`
[INFO] [stderr]    --> src/interpreter.rs:107:51
[INFO] [stderr]     |
[INFO] [stderr] 107 |         Token { token_type: TokenType::LessEqual, lexeme, line } => {
[INFO] [stderr]     |                                                   ^^^^^^ help: try ignoring the field: `lexeme: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]    --> src/interpreter.rs:107:59
[INFO] [stderr]     |
[INFO] [stderr] 107 |         Token { token_type: TokenType::LessEqual, lexeme, line } => {
[INFO] [stderr]     |                                                           ^^^^ help: try ignoring the field: `line: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lexeme`
[INFO] [stderr]    --> src/interpreter.rs:111:46
[INFO] [stderr]     |
[INFO] [stderr] 111 |         Token { token_type: TokenType::PLUS, lexeme, line } => {
[INFO] [stderr]     |                                              ^^^^^^ help: try ignoring the field: `lexeme: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]    --> src/interpreter.rs:111:54
[INFO] [stderr]     |
[INFO] [stderr] 111 |         Token { token_type: TokenType::PLUS, lexeme, line } => {
[INFO] [stderr]     |                                                      ^^^^ help: try ignoring the field: `line: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lexeme`
[INFO] [stderr]    --> src/interpreter.rs:121:51
[INFO] [stderr]     |
[INFO] [stderr] 121 |         Token { token_type: TokenType::BangEqual, lexeme, line } => {
[INFO] [stderr]     |                                                   ^^^^^^ help: try ignoring the field: `lexeme: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]    --> src/interpreter.rs:121:59
[INFO] [stderr]     |
[INFO] [stderr] 121 |         Token { token_type: TokenType::BangEqual, lexeme, line } => {
[INFO] [stderr]     |                                                           ^^^^ help: try ignoring the field: `line: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lexeme`
[INFO] [stderr]    --> src/interpreter.rs:125:52
[INFO] [stderr]     |
[INFO] [stderr] 125 |         Token { token_type: TokenType::EqualEqual, lexeme, line } => {
[INFO] [stderr]     |                                                    ^^^^^^ help: try ignoring the field: `lexeme: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]    --> src/interpreter.rs:125:60
[INFO] [stderr]     |
[INFO] [stderr] 125 |         Token { token_type: TokenType::EqualEqual, lexeme, line } => {
[INFO] [stderr]     |                                                            ^^^^ help: try ignoring the field: `line: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lexeme`
[INFO] [stderr]    --> src/interpreter.rs:129:29
[INFO] [stderr]     |
[INFO] [stderr] 129 |         Token { token_type, lexeme, line } =>
[INFO] [stderr]     |                             ^^^^^^ help: try ignoring the field: `lexeme: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/interpreter.rs:76:17
[INFO] [stderr]    |
[INFO] [stderr] 76 |                 x => {Err("Non-number values not supported with operator -".to_string())},
[INFO] [stderr]    |                 ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/scanner.rs:276:9
[INFO] [stderr]     |
[INFO] [stderr] 267 | /             match string.parse::<i64>() {
[INFO] [stderr] 268 | |                 Ok(result) => return Some(TokenType::Literal(Literal::NUMBER(result))),
[INFO] [stderr] 269 | |                 Err(_) => {
[INFO] [stderr] 270 | |                     self.errors.push(format!("Unable to parse number on line {}", self.line));
[INFO] [stderr] 271 | |                     return None
[INFO] [stderr] 272 | |                 }
[INFO] [stderr] 273 | |             }
[INFO] [stderr]     | |_____________- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stderr] ...
[INFO] [stderr] 276 |           self.errors.push(format!("Unknown error parsing number on line {}", self.line));
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `character`
[INFO] [stderr]    --> src/scanner.rs:226:13
[INFO] [stderr]     |
[INFO] [stderr] 226 |             character @ '0'..='9' => {
[INFO] [stderr]     |             ^^^^^^^^^ help: consider prefixing with an underscore: `_character`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `l_other`
[INFO] [stderr]   --> src/interpreter.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |         (Ok(l_other), Err(r_other)) => Err(r_other),
[INFO] [stderr]    |             ^^^^^^^ help: consider prefixing with an underscore: `_l_other`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/interpreter.rs:117:21
[INFO] [stderr]     |
[INFO] [stderr] 117 |                     x => {
[INFO] [stderr]     |                     ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lexeme`
[INFO] [stderr]   --> src/interpreter.rs:83:47
[INFO] [stderr]    |
[INFO] [stderr] 83 |         Token { token_type: TokenType::MINUS, lexeme, line } => {
[INFO] [stderr]    |                                               ^^^^^^ help: try ignoring the field: `lexeme: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]   --> src/interpreter.rs:83:55
[INFO] [stderr]    |
[INFO] [stderr] 83 |         Token { token_type: TokenType::MINUS, lexeme, line } => {
[INFO] [stderr]    |                                                       ^^^^ help: try ignoring the field: `line: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lexeme`
[INFO] [stderr]   --> src/interpreter.rs:87:47
[INFO] [stderr]    |
[INFO] [stderr] 87 |         Token { token_type: TokenType::SLASH, lexeme, line } => {
[INFO] [stderr]    |                                               ^^^^^^ help: try ignoring the field: `lexeme: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]   --> src/interpreter.rs:87:55
[INFO] [stderr]    |
[INFO] [stderr] 87 |         Token { token_type: TokenType::SLASH, lexeme, line } => {
[INFO] [stderr]    |                                                       ^^^^ help: try ignoring the field: `line: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lexeme`
[INFO] [stderr]   --> src/interpreter.rs:91:46
[INFO] [stderr]    |
[INFO] [stderr] 91 |         Token { token_type: TokenType::STAR, lexeme, line } => {
[INFO] [stderr]    |                                              ^^^^^^ help: try ignoring the field: `lexeme: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]   --> src/interpreter.rs:91:54
[INFO] [stderr]    |
[INFO] [stderr] 91 |         Token { token_type: TokenType::STAR, lexeme, line } => {
[INFO] [stderr]    |                                                      ^^^^ help: try ignoring the field: `line: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lexeme`
[INFO] [stderr]   --> src/interpreter.rs:95:49
[INFO] [stderr]    |
[INFO] [stderr] 95 |         Token { token_type: TokenType::GREATER, lexeme, line } => {
[INFO] [stderr]    |                                                 ^^^^^^ help: try ignoring the field: `lexeme: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]   --> src/interpreter.rs:95:57
[INFO] [stderr]    |
[INFO] [stderr] 95 |         Token { token_type: TokenType::GREATER, lexeme, line } => {
[INFO] [stderr]    |                                                         ^^^^ help: try ignoring the field: `line: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lexeme`
[INFO] [stderr]   --> src/interpreter.rs:99:54
[INFO] [stderr]    |
[INFO] [stderr] 99 |         Token { token_type: TokenType::GreaterEqual, lexeme, line } => {
[INFO] [stderr]    |                                                      ^^^^^^ help: try ignoring the field: `lexeme: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]   --> src/interpreter.rs:99:62
[INFO] [stderr]    |
[INFO] [stderr] 99 |         Token { token_type: TokenType::GreaterEqual, lexeme, line } => {
[INFO] [stderr]    |                                                              ^^^^ help: try ignoring the field: `line: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lexeme`
[INFO] [stderr]    --> src/interpreter.rs:103:46
[INFO] [stderr]     |
[INFO] [stderr] 103 |         Token { token_type: TokenType::LESS, lexeme, line } => {
[INFO] [stderr]     |                                              ^^^^^^ help: try ignoring the field: `lexeme: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]    --> src/interpreter.rs:103:54
[INFO] [stderr]     |
[INFO] [stderr] 103 |         Token { token_type: TokenType::LESS, lexeme, line } => {
[INFO] [stderr]     |                                                      ^^^^ help: try ignoring the field: `line: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lexeme`
[INFO] [stderr]    --> src/interpreter.rs:107:51
[INFO] [stderr]     |
[INFO] [stderr] 107 |         Token { token_type: TokenType::LessEqual, lexeme, line } => {
[INFO] [stderr]     |                                                   ^^^^^^ help: try ignoring the field: `lexeme: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]    --> src/interpreter.rs:107:59
[INFO] [stderr]     |
[INFO] [stderr] 107 |         Token { token_type: TokenType::LessEqual, lexeme, line } => {
[INFO] [stderr]     |                                                           ^^^^ help: try ignoring the field: `line: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lexeme`
[INFO] [stderr]    --> src/interpreter.rs:111:46
[INFO] [stderr]     |
[INFO] [stderr] 111 |         Token { token_type: TokenType::PLUS, lexeme, line } => {
[INFO] [stderr]     |                                              ^^^^^^ help: try ignoring the field: `lexeme: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]    --> src/interpreter.rs:111:54
[INFO] [stderr]     |
[INFO] [stderr] 111 |         Token { token_type: TokenType::PLUS, lexeme, line } => {
[INFO] [stderr]     |                                                      ^^^^ help: try ignoring the field: `line: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lexeme`
[INFO] [stderr]    --> src/interpreter.rs:121:51
[INFO] [stderr]     |
[INFO] [stderr] 121 |         Token { token_type: TokenType::BangEqual, lexeme, line } => {
[INFO] [stderr]     |                                                   ^^^^^^ help: try ignoring the field: `lexeme: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]    --> src/interpreter.rs:121:59
[INFO] [stderr]     |
[INFO] [stderr] 121 |         Token { token_type: TokenType::BangEqual, lexeme, line } => {
[INFO] [stderr]     |                                                           ^^^^ help: try ignoring the field: `line: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lexeme`
[INFO] [stderr]    --> src/interpreter.rs:125:52
[INFO] [stderr]     |
[INFO] [stderr] 125 |         Token { token_type: TokenType::EqualEqual, lexeme, line } => {
[INFO] [stderr]     |                                                    ^^^^^^ help: try ignoring the field: `lexeme: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]    --> src/interpreter.rs:125:60
[INFO] [stderr]     |
[INFO] [stderr] 125 |         Token { token_type: TokenType::EqualEqual, lexeme, line } => {
[INFO] [stderr]     |                                                            ^^^^ help: try ignoring the field: `line: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lexeme`
[INFO] [stderr]    --> src/interpreter.rs:129:29
[INFO] [stderr]     |
[INFO] [stderr] 129 |         Token { token_type, lexeme, line } =>
[INFO] [stderr]     |                             ^^^^^^ help: try ignoring the field: `lexeme: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/interpreter.rs:76:17
[INFO] [stderr]    |
[INFO] [stderr] 76 |                 x => {Err("Non-number values not supported with operator -".to_string())},
[INFO] [stderr]    |                 ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.60s
[INFO] running `"docker" "inspect" "d9b51e874c2f8078bf5289a8baeb2732894409a72aabf2437cae6fd8a8c9362b"`
[INFO] running `"docker" "rm" "-f" "d9b51e874c2f8078bf5289a8baeb2732894409a72aabf2437cae6fd8a8c9362b"`
[INFO] [stdout] d9b51e874c2f8078bf5289a8baeb2732894409a72aabf2437cae6fd8a8c9362b