[INFO] cloning repository https://github.com/0Unkn0wn/RustVM
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0Unkn0wn/RustVM" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0Unkn0wn%2FRustVM", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0Unkn0wn%2FRustVM'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9eeb02da6059f33729df01c3f86d1596aaf5652c
[INFO] checking 0Unkn0wn/RustVM against try#51de2e90f91fdec6cf64ff542a4e15b9c177a797 for pr-147294
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0Unkn0wn%2FRustVM" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/0Unkn0wn/RustVM
[INFO] finished tweaking git repo https://github.com/0Unkn0wn/RustVM
[INFO] tweaked toml for git repo https://github.com/0Unkn0wn/RustVM written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/0Unkn0wn/RustVM on toolchain 51de2e90f91fdec6cf64ff542a4e15b9c177a797
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+51de2e90f91fdec6cf64ff542a4e15b9c177a797" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/0Unkn0wn/RustVM 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" "+51de2e90f91fdec6cf64ff542a4e15b9c177a797" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+51de2e90f91fdec6cf64ff542a4e15b9c177a797" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82556e608e69695f5e05c8ea4193c4c012667851aca1fb08afb8fd6b19cf1058
[INFO] running `Command { std: "docker" "start" "-a" "82556e608e69695f5e05c8ea4193c4c012667851aca1fb08afb8fd6b19cf1058", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82556e608e69695f5e05c8ea4193c4c012667851aca1fb08afb8fd6b19cf1058", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82556e608e69695f5e05c8ea4193c4c012667851aca1fb08afb8fd6b19cf1058", kill_on_drop: false }`
[INFO] [stdout] 82556e608e69695f5e05c8ea4193c4c012667851aca1fb08afb8fd6b19cf1058
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+51de2e90f91fdec6cf64ff542a4e15b9c177a797" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9334c578f37852187959ea22cbd94ccb6468179252365e176b7cdbda35c7e55
[INFO] running `Command { std: "docker" "start" "-a" "c9334c578f37852187959ea22cbd94ccb6468179252365e176b7cdbda35c7e55", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_vm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/vm.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | /         /// Execute the assembly file
[INFO] [stdout] 18 | |         /// # Arguments
[INFO] [stdout] 19 | |         /// * `file_path` - The path to the assembly file
[INFO] [stdout]    | |_________________________________________________________^
[INFO] [stdout] 20 |           let tokens = Token::tokenize_file(file_path);
[INFO] [stdout]    |           --------------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/instruction.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | /         /// Creates a new Instruction
[INFO] [stdout] 17 | |         /// # Arguments
[INFO] [stdout] 18 | |         /// * `operation` - The operation to be performed
[INFO] [stdout] 19 | |         /// * `operands` - The operands to be used in the operation
[INFO] [stdout]    | |___________________________________________________________________^
[INFO] [stdout] 20 |           Instruction{ operation, operands }
[INFO] [stdout]    |           ---------------------------------- rustdoc does not generate documentation for expressions
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/instruction.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | /         /// Creates a vector of Instructions and a vector of Variables from a vector of Tokens
[INFO] [stdout] 25 | |         /// # Arguments
[INFO] [stdout] 26 | |         /// * `tokens` - The vector of Tokens to be processed
[INFO] [stdout] 27 | |         /// # Returns
[INFO] [stdout] 28 | |         /// * `instructions` - The vector of Instructions
[INFO] [stdout] 29 | |         /// * `variables` - The vector of Variables
[INFO] [stdout]    | |___________________________________________________^
[INFO] [stdout] 30 |           //println!("{:?}", tokens); // Debugging
[INFO] [stdout] 31 |           let mut instructions: Vec<Instruction> = Vec::new();
[INFO] [stdout]    |           ---------------------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/instruction.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 | /         /// Creates an Operation from a String and adds it to a vector of Instructions
[INFO] [stdout] 82 | |         /// # Arguments
[INFO] [stdout] 83 | |         /// * `op` - The String to be processed
[INFO] [stdout] 84 | |         /// * `instr` - The vector of Instructions to be added to
[INFO] [stdout]    | |_________________________________________________________________^
[INFO] [stdout] 85 |           let mut operands = VecDeque::new();
[INFO] [stdout]    |           ----------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/instruction.rs:99:9
[INFO] [stdout]     |
[INFO] [stdout]  99 | /         /// Processes a loop and adds the operations to a vector of Instructions
[INFO] [stdout] 100 | |         /// # Arguments
[INFO] [stdout] 101 | |         /// * `parts` - The parts of the loop syntax to be processed
[INFO] [stdout] 102 | |         /// * `loop_operations` - The operations to be added to the loop
[INFO] [stdout] 103 | |         /// * `instr` - The vector of Instructions to be added to
[INFO] [stdout]     | |_________--------------------------------------------------------^
[INFO] [stdout]     |           |
[INFO] [stdout]     |           rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/instruction.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout] 120 | /         /// Executes an Instruction
[INFO] [stdout] 121 | |         /// # Arguments
[INFO] [stdout] 122 | |         /// * `self` - The Instruction to be executed
[INFO] [stdout] 123 | |         /// * `results` - The vector of Fields to be added to
[INFO] [stdout] 124 | |         /// * `variables` - The vector of Variables to be used
[INFO] [stdout]     | |______________________________________________________________^
[INFO] [stdout] 125 | /         match self.operation {
[INFO] [stdout] 126 | |             Operation::Add => {
[INFO] [stdout] 127 | |                 let a = self.operands.pop_front().unwrap();
[INFO] [stdout] 128 | |                 let b = self.operands.pop_front().unwrap();
[INFO] [stdout] ...   |
[INFO] [stdout] 234 | |         }
[INFO] [stdout]     | |_________- rustdoc does not generate documentation for expressions
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/field.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |           /// This function takes a field and returns an integer if the field is an integer.
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 12 | /         match self {
[INFO] [stdout] 13 | |             &Field::Integer(i) => Some(i),
[INFO] [stdout] 14 | |             _ => None
[INFO] [stdout] 15 | |         }
[INFO] [stdout]    | |_________- rustdoc does not generate documentation for expressions
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/field.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |           /// This function takes a field and returns a string if the field is a string.
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 20 | /         match self {
[INFO] [stdout] 21 | |             &Field::String(ref s) => Some(s.to_string()),
[INFO] [stdout] 22 | |             _ => None
[INFO] [stdout] 23 | |         }
[INFO] [stdout]    | |_________- rustdoc does not generate documentation for expressions
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/operation.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 | /         /// This function takes an operation and a stack and executes the operation.
[INFO] [stdout] 53 | |         /// # Arguments
[INFO] [stdout] 54 | |         /// * `self` - The operation to execute
[INFO] [stdout] 55 | |         /// * `stack` - The stack to execute the operation on
[INFO] [stdout] 56 | |         /// # Panics
[INFO] [stdout] 57 | |         /// This function panics if the stack is empty.
[INFO] [stdout]    | |_______________________________________________________^
[INFO] [stdout] 58 |           let a = stack.pop_back().unwrap();
[INFO] [stdout]    |           ---------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/token.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | /         /// This function takes a file name and returns a vector of tokens.
[INFO] [stdout] 18 | |         /// # Arguments
[INFO] [stdout] 19 | |         /// * `file_name` - A string slice that holds the file name
[INFO] [stdout]    | |___________________________________________________________________^
[INFO] [stdout] 20 |           let file = fs::read_to_string(file_name).expect("Unable to read file");
[INFO] [stdout]    |           ----------------------------------------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/variable.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | /         /// This function takes a vector of strings and returns a vector of variables.
[INFO] [stdout] 15 | |         /// # Arguments
[INFO] [stdout] 16 | |         /// * `vec_string` - A vector of strings
[INFO] [stdout]    | |________________________________________________^
[INFO] [stdout] 17 |           let mut variables: Vec<Variable> = Vec::new();
[INFO] [stdout]    |           ---------------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_s` is never used
[INFO] [stdout]   --> src/field.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Field {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn to_s(&self) -> Option<String> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/vm.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | /         /// Execute the assembly file
[INFO] [stdout] 18 | |         /// # Arguments
[INFO] [stdout] 19 | |         /// * `file_path` - The path to the assembly file
[INFO] [stdout]    | |_________________________________________________________^
[INFO] [stdout] 20 |           let tokens = Token::tokenize_file(file_path);
[INFO] [stdout]    |           --------------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/instruction.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | /         /// Creates a new Instruction
[INFO] [stdout] 17 | |         /// # Arguments
[INFO] [stdout] 18 | |         /// * `operation` - The operation to be performed
[INFO] [stdout] 19 | |         /// * `operands` - The operands to be used in the operation
[INFO] [stdout]    | |___________________________________________________________________^
[INFO] [stdout] 20 |           Instruction{ operation, operands }
[INFO] [stdout]    |           ---------------------------------- rustdoc does not generate documentation for expressions
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/instruction.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | /         /// Creates a vector of Instructions and a vector of Variables from a vector of Tokens
[INFO] [stdout] 25 | |         /// # Arguments
[INFO] [stdout] 26 | |         /// * `tokens` - The vector of Tokens to be processed
[INFO] [stdout] 27 | |         /// # Returns
[INFO] [stdout] 28 | |         /// * `instructions` - The vector of Instructions
[INFO] [stdout] 29 | |         /// * `variables` - The vector of Variables
[INFO] [stdout]    | |___________________________________________________^
[INFO] [stdout] 30 |           //println!("{:?}", tokens); // Debugging
[INFO] [stdout] 31 |           let mut instructions: Vec<Instruction> = Vec::new();
[INFO] [stdout]    |           ---------------------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/instruction.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 | /         /// Creates an Operation from a String and adds it to a vector of Instructions
[INFO] [stdout] 82 | |         /// # Arguments
[INFO] [stdout] 83 | |         /// * `op` - The String to be processed
[INFO] [stdout] 84 | |         /// * `instr` - The vector of Instructions to be added to
[INFO] [stdout]    | |_________________________________________________________________^
[INFO] [stdout] 85 |           let mut operands = VecDeque::new();
[INFO] [stdout]    |           ----------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/instruction.rs:99:9
[INFO] [stdout]     |
[INFO] [stdout]  99 | /         /// Processes a loop and adds the operations to a vector of Instructions
[INFO] [stdout] 100 | |         /// # Arguments
[INFO] [stdout] 101 | |         /// * `parts` - The parts of the loop syntax to be processed
[INFO] [stdout] 102 | |         /// * `loop_operations` - The operations to be added to the loop
[INFO] [stdout] 103 | |         /// * `instr` - The vector of Instructions to be added to
[INFO] [stdout]     | |_________--------------------------------------------------------^
[INFO] [stdout]     |           |
[INFO] [stdout]     |           rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/instruction.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout] 120 | /         /// Executes an Instruction
[INFO] [stdout] 121 | |         /// # Arguments
[INFO] [stdout] 122 | |         /// * `self` - The Instruction to be executed
[INFO] [stdout] 123 | |         /// * `results` - The vector of Fields to be added to
[INFO] [stdout] 124 | |         /// * `variables` - The vector of Variables to be used
[INFO] [stdout]     | |______________________________________________________________^
[INFO] [stdout] 125 | /         match self.operation {
[INFO] [stdout] 126 | |             Operation::Add => {
[INFO] [stdout] 127 | |                 let a = self.operands.pop_front().unwrap();
[INFO] [stdout] 128 | |                 let b = self.operands.pop_front().unwrap();
[INFO] [stdout] ...   |
[INFO] [stdout] 234 | |         }
[INFO] [stdout]     | |_________- rustdoc does not generate documentation for expressions
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/field.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |           /// This function takes a field and returns an integer if the field is an integer.
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 12 | /         match self {
[INFO] [stdout] 13 | |             &Field::Integer(i) => Some(i),
[INFO] [stdout] 14 | |             _ => None
[INFO] [stdout] 15 | |         }
[INFO] [stdout]    | |_________- rustdoc does not generate documentation for expressions
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/field.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |           /// This function takes a field and returns a string if the field is a string.
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 20 | /         match self {
[INFO] [stdout] 21 | |             &Field::String(ref s) => Some(s.to_string()),
[INFO] [stdout] 22 | |             _ => None
[INFO] [stdout] 23 | |         }
[INFO] [stdout]    | |_________- rustdoc does not generate documentation for expressions
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/operation.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 | /         /// This function takes an operation and a stack and executes the operation.
[INFO] [stdout] 53 | |         /// # Arguments
[INFO] [stdout] 54 | |         /// * `self` - The operation to execute
[INFO] [stdout] 55 | |         /// * `stack` - The stack to execute the operation on
[INFO] [stdout] 56 | |         /// # Panics
[INFO] [stdout] 57 | |         /// This function panics if the stack is empty.
[INFO] [stdout]    | |_______________________________________________________^
[INFO] [stdout] 58 |           let a = stack.pop_back().unwrap();
[INFO] [stdout]    |           ---------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/token.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | /         /// This function takes a file name and returns a vector of tokens.
[INFO] [stdout] 18 | |         /// # Arguments
[INFO] [stdout] 19 | |         /// * `file_name` - A string slice that holds the file name
[INFO] [stdout]    | |___________________________________________________________________^
[INFO] [stdout] 20 |           let file = fs::read_to_string(file_name).expect("Unable to read file");
[INFO] [stdout]    |           ----------------------------------------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/variable.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | /         /// This function takes a vector of strings and returns a vector of variables.
[INFO] [stdout] 15 | |         /// # Arguments
[INFO] [stdout] 16 | |         /// * `vec_string` - A vector of strings
[INFO] [stdout]    | |________________________________________________^
[INFO] [stdout] 17 |           let mut variables: Vec<Variable> = Vec::new();
[INFO] [stdout]    |           ---------------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_s` is never used
[INFO] [stdout]   --> src/field.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Field {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn to_s(&self) -> Option<String> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "c9334c578f37852187959ea22cbd94ccb6468179252365e176b7cdbda35c7e55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9334c578f37852187959ea22cbd94ccb6468179252365e176b7cdbda35c7e55", kill_on_drop: false }`
[INFO] [stdout] c9334c578f37852187959ea22cbd94ccb6468179252365e176b7cdbda35c7e55
