[INFO] cloning repository https://github.com/ludde127/Risc-v-compiler-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ludde127/Risc-v-compiler-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fludde127%2FRisc-v-compiler-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fludde127%2FRisc-v-compiler-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5fd78795e335a1e58db2180aaf13b40fe39b57cb
[INFO] checking ludde127/Risc-v-compiler-lang against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fludde127%2FRisc-v-compiler-lang" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ludde127/Risc-v-compiler-lang
[INFO] finished tweaking git repo https://github.com/ludde127/Risc-v-compiler-lang
[INFO] tweaked toml for git repo https://github.com/ludde127/Risc-v-compiler-lang written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ludde127/Risc-v-compiler-lang on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ludde127/Risc-v-compiler-lang 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a1bc72ed2b0b12721143a2ad237954ee66a6073a1ff33d1b1dadc0f13576e37
[INFO] running `Command { std: "docker" "start" "-a" "4a1bc72ed2b0b12721143a2ad237954ee66a6073a1ff33d1b1dadc0f13576e37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a1bc72ed2b0b12721143a2ad237954ee66a6073a1ff33d1b1dadc0f13576e37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a1bc72ed2b0b12721143a2ad237954ee66a6073a1ff33d1b1dadc0f13576e37", kill_on_drop: false }`
[INFO] [stdout] 4a1bc72ed2b0b12721143a2ad237954ee66a6073a1ff33d1b1dadc0f13576e37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a28e1e7caad5a20dac971984e78aed907d4c1b41344f3dadfbe21e1a366490c1
[INFO] running `Command { std: "docker" "start" "-a" "a28e1e7caad5a20dac971984e78aed907d4c1b41344f3dadfbe21e1a366490c1", kill_on_drop: false }`
[INFO] [stderr]     Checking Risc-v-compiler-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/instructions.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[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: `std::fs`
[INFO] [stdout]  --> src/instructions.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/instructions.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[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: `std::fs`
[INFO] [stdout]  --> src/instructions.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/instructions.rs:99:17
[INFO] [stdout]    |
[INFO] [stdout] 98 |                 todo!();
[INFO] [stdout]    |                 ------- any code following this expression is unreachable
[INFO] [stdout] 99 |                 Some(code)
[INFO] [stdout]    |                 ^^^^^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result_len` is never read
[INFO] [stdout]   --> src/instructions.rs:97:17
[INFO] [stdout]    |
[INFO] [stdout] 97 |                 result_len = code.len();
[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: `splat`
[INFO] [stdout]    --> src/instructions.rs:152:13
[INFO] [stdout]     |
[INFO] [stdout] 152 |         let splat = string.split(" ");
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_splat`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/instructions.rs:99:17
[INFO] [stdout]    |
[INFO] [stdout] 98 |                 todo!();
[INFO] [stdout]    |                 ------- any code following this expression is unreachable
[INFO] [stdout] 99 |                 Some(code)
[INFO] [stdout]    |                 ^^^^^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/instructions.rs:214:17
[INFO] [stdout]     |
[INFO] [stdout] 214 |                 _ => todo!()
[INFO] [stdout]     |                 ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/instructions.rs:214:17
[INFO] [stdout]     |
[INFO] [stdout] 198 |                 DestinationRegister => assert!(match data {
[INFO] [stdout]     |                 ------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 202 |                 InputRegister => assert!(match data {
[INFO] [stdout]     |                 ------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 206 |                 ImmediateValue12 => assert!(match data {
[INFO] [stdout]     |                 ---------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 210 |                 ImmediateValue20 => assert!(match data {
[INFO] [stdout]     |                 ---------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 214 |                 _ => todo!()
[INFO] [stdout]     |                 ^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_instruction_name` is never used
[INFO] [stdout]  --> src/instructions.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait InstructionTrait {
[INFO] [stdout]   |           ---------------- method in this trait
[INFO] [stdout] 7 |     //fn new(name: &str, args: &[&str]) -> Self;
[INFO] [stdout] 8 |     fn get_instruction_name(&self) -> &str;
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Input` is never used
[INFO] [stdout]   --> src/instructions.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub enum Input {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `InputType` is never used
[INFO] [stdout]   --> src/instructions.rs:22:10
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub enum InputType {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/instructions.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     Funct3(String),
[INFO] [stdout]    |     ------ ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ExtraInstructionData` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 31 -     Funct3(String),
[INFO] [stdout] 31 +     Funct3(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/instructions.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     Funct7(String)
[INFO] [stdout]    |     ------ ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ExtraInstructionData` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 32 -     Funct7(String)
[INFO] [stdout] 32 +     Funct7(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `input_types` and `format_machine_instruction` are never used
[INFO] [stdout]   --> src/instructions.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 65 | impl InstructionType {
[INFO] [stdout]    | -------------------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 78 |     pub fn input_types(instruction_type: &InstructionType) -> Vec<InputType> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 87 |     pub fn format_machine_instruction(instruction: &FilledInstruction) -> Option<String> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_string` is never used
[INFO] [stdout]    --> src/instructions.rs:113:8
[INFO] [stdout]     |
[INFO] [stdout] 112 | impl InputType {
[INFO] [stdout]     | -------------- associated function in this implementation
[INFO] [stdout] 113 |     fn from_string(string: &str) -> Option<InputType> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FilledInstruction` is never constructed
[INFO] [stdout]    --> src/instructions.rs:180:12
[INFO] [stdout]     |
[INFO] [stdout] 180 | pub struct FilledInstruction {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `args_and_data` are never used
[INFO] [stdout]    --> src/instructions.rs:186:8
[INFO] [stdout]     |
[INFO] [stdout] 185 | impl FilledInstruction {
[INFO] [stdout]     | ---------------------- associated items in this implementation
[INFO] [stdout] 186 |     fn new(instruction: Instruction, data: Vec<Input>) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 190 |     fn args_and_data(&self) -> Vec<(InputType, Input)> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_instructions` and `add_instruction` are never used
[INFO] [stdout]  --> src/instruction_set.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub trait InstructionSet {
[INFO] [stdout]   |           -------------- methods in this trait
[INFO] [stdout] 6 |     fn new() -> Self;
[INFO] [stdout] 7 |     fn get_instructions(&self) -> &Vec<Instruction>;
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 8 |     fn add_instruction(&mut self, instruction: Instruction);
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `reserved_registers` is never read
[INFO] [stdout]   --> src/instruction_set.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct RiscVInstructionSet {
[INFO] [stdout]    |            ------------------- field in this struct
[INFO] [stdout] 13 |     instructions: Vec<Instruction>,
[INFO] [stdout] 14 |     reserved_registers: u8
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InstructionStack` is never constructed
[INFO] [stdout]   --> src/instruction_set.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | struct InstructionStack {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_binary_codes` is never used
[INFO] [stdout]   --> src/instruction_set.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl InstructionStack {
[INFO] [stdout]    | --------------------- method in this implementation
[INFO] [stdout] 42 |     fn to_binary_codes(&self) -> Vec<String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/instruction_set.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         write!(f, "Instructions:\n");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let _ = write!(f, "Instructions:\n");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/instruction_set.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 55 |             write!(f, "---{}\n", i);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 55 |             let _ = write!(f, "---{}\n", i);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result_len` is never read
[INFO] [stdout]   --> src/instructions.rs:97:17
[INFO] [stdout]    |
[INFO] [stdout] 97 |                 result_len = code.len();
[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: `splat`
[INFO] [stdout]    --> src/instructions.rs:152:13
[INFO] [stdout]     |
[INFO] [stdout] 152 |         let splat = string.split(" ");
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_splat`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/instructions.rs:214:17
[INFO] [stdout]     |
[INFO] [stdout] 214 |                 _ => todo!()
[INFO] [stdout]     |                 ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/instructions.rs:214:17
[INFO] [stdout]     |
[INFO] [stdout] 198 |                 DestinationRegister => assert!(match data {
[INFO] [stdout]     |                 ------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 202 |                 InputRegister => assert!(match data {
[INFO] [stdout]     |                 ------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 206 |                 ImmediateValue12 => assert!(match data {
[INFO] [stdout]     |                 ---------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 210 |                 ImmediateValue20 => assert!(match data {
[INFO] [stdout]     |                 ---------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 214 |                 _ => todo!()
[INFO] [stdout]     |                 ^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_instruction_name` is never used
[INFO] [stdout]  --> src/instructions.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait InstructionTrait {
[INFO] [stdout]   |           ---------------- method in this trait
[INFO] [stdout] 7 |     //fn new(name: &str, args: &[&str]) -> Self;
[INFO] [stdout] 8 |     fn get_instruction_name(&self) -> &str;
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Input` is never used
[INFO] [stdout]   --> src/instructions.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub enum Input {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `InputType` is never used
[INFO] [stdout]   --> src/instructions.rs:22:10
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub enum InputType {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/instructions.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     Funct3(String),
[INFO] [stdout]    |     ------ ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ExtraInstructionData` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 31 -     Funct3(String),
[INFO] [stdout] 31 +     Funct3(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/instructions.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     Funct7(String)
[INFO] [stdout]    |     ------ ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ExtraInstructionData` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 32 -     Funct7(String)
[INFO] [stdout] 32 +     Funct7(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `input_types` and `format_machine_instruction` are never used
[INFO] [stdout]   --> src/instructions.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 65 | impl InstructionType {
[INFO] [stdout]    | -------------------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 78 |     pub fn input_types(instruction_type: &InstructionType) -> Vec<InputType> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 87 |     pub fn format_machine_instruction(instruction: &FilledInstruction) -> Option<String> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_string` is never used
[INFO] [stdout]    --> src/instructions.rs:113:8
[INFO] [stdout]     |
[INFO] [stdout] 112 | impl InputType {
[INFO] [stdout]     | -------------- associated function in this implementation
[INFO] [stdout] 113 |     fn from_string(string: &str) -> Option<InputType> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FilledInstruction` is never constructed
[INFO] [stdout]    --> src/instructions.rs:180:12
[INFO] [stdout]     |
[INFO] [stdout] 180 | pub struct FilledInstruction {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `args_and_data` are never used
[INFO] [stdout]    --> src/instructions.rs:186:8
[INFO] [stdout]     |
[INFO] [stdout] 185 | impl FilledInstruction {
[INFO] [stdout]     | ---------------------- associated items in this implementation
[INFO] [stdout] 186 |     fn new(instruction: Instruction, data: Vec<Input>) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 190 |     fn args_and_data(&self) -> Vec<(InputType, Input)> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_instructions` and `add_instruction` are never used
[INFO] [stdout]  --> src/instruction_set.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub trait InstructionSet {
[INFO] [stdout]   |           -------------- methods in this trait
[INFO] [stdout] 6 |     fn new() -> Self;
[INFO] [stdout] 7 |     fn get_instructions(&self) -> &Vec<Instruction>;
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 8 |     fn add_instruction(&mut self, instruction: Instruction);
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `reserved_registers` is never read
[INFO] [stdout]   --> src/instruction_set.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct RiscVInstructionSet {
[INFO] [stdout]    |            ------------------- field in this struct
[INFO] [stdout] 13 |     instructions: Vec<Instruction>,
[INFO] [stdout] 14 |     reserved_registers: u8
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InstructionStack` is never constructed
[INFO] [stdout]   --> src/instruction_set.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | struct InstructionStack {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_binary_codes` is never used
[INFO] [stdout]   --> src/instruction_set.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl InstructionStack {
[INFO] [stdout]    | --------------------- method in this implementation
[INFO] [stdout] 42 |     fn to_binary_codes(&self) -> Vec<String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/instruction_set.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         write!(f, "Instructions:\n");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let _ = write!(f, "Instructions:\n");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/instruction_set.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 55 |             write!(f, "---{}\n", i);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 55 |             let _ = write!(f, "---{}\n", i);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "a28e1e7caad5a20dac971984e78aed907d4c1b41344f3dadfbe21e1a366490c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a28e1e7caad5a20dac971984e78aed907d4c1b41344f3dadfbe21e1a366490c1", kill_on_drop: false }`
[INFO] [stdout] a28e1e7caad5a20dac971984e78aed907d4c1b41344f3dadfbe21e1a366490c1
