[INFO] cloning repository https://github.com/rodrigobaraglia/iridii
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rodrigobaraglia/iridii" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frodrigobaraglia%2Firidii", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frodrigobaraglia%2Firidii'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c7bf556bfbdbbd69fc5c884b0a604875a90cd507
[INFO] testing rodrigobaraglia/iridii against try#17092ad00ed8fe1e7f81a7e38238ff70779034b1 for pr-140985
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frodrigobaraglia%2Firidii" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rodrigobaraglia/iridii on toolchain 17092ad00ed8fe1e7f81a7e38238ff70779034b1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rodrigobaraglia/iridii
[INFO] finished tweaking git repo https://github.com/rodrigobaraglia/iridii
[INFO] tweaked toml for git repo https://github.com/rodrigobaraglia/iridii written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rodrigobaraglia/iridii 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" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12f64b447e94343b05e1f7162d96a10b1dbf9146b9dae85167d98d206b9d49c5
[INFO] running `Command { std: "docker" "start" "-a" "12f64b447e94343b05e1f7162d96a10b1dbf9146b9dae85167d98d206b9d49c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12f64b447e94343b05e1f7162d96a10b1dbf9146b9dae85167d98d206b9d49c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12f64b447e94343b05e1f7162d96a10b1dbf9146b9dae85167d98d206b9d49c5", kill_on_drop: false }`
[INFO] [stdout] 12f64b447e94343b05e1f7162d96a10b1dbf9146b9dae85167d98d206b9d49c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d7e7abba56a487091d49e5549f0b1f61318b66b274e9e81db9445c683339928
[INFO] running `Command { std: "docker" "start" "-a" "8d7e7abba56a487091d49e5549f0b1f61318b66b274e9e81db9445c683339928", kill_on_drop: false }`
[INFO] [stderr]    Compiling iridium v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type alias `Op` is never used
[INFO] [stdout]  --> src/assembler/lex.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | type Op = Opcode;
[INFO] [stdout]   |      ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Tok` is never used
[INFO] [stdout]  --> src/assembler/lex.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | type Tok = Token;
[INFO] [stdout]   |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `read_instruction` is never used
[INFO] [stdout]   --> src/assembler/lex.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl Lexer<'_> {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] 26 |     fn read_instruction(&mut self) -> Instruction {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_integer` is never used
[INFO] [stdout]   --> src/assembler/lex.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn parse_integer(i: i32) -> (u8, u8) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `parse_operand` is never used
[INFO] [stdout]   --> src/assembler/lex.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl Token {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 48 |     fn parse_operand(self, operands: &mut Vec<u8>) -> Result<(), &'static str> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_bytes` is never used
[INFO] [stdout]   --> src/assembler/lex.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 62 | impl Instruction {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] 63 |     pub fn to_bytes(&self) -> Result<Vec<u8>, &'static str> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cursor` is never constructed
[INFO] [stdout]   --> src/assembler/token.rs:80:8
[INFO] [stdout]    |
[INFO] [stdout] 80 | struct Cursor<'a>(Chars<'a>);
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/assembler/token.rs:95:12
[INFO] [stdout]    |
[INFO] [stdout] 94 | impl Lexer<'_> {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 95 |     pub fn new(input: &String) -> Lexer {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ILGL` is never used
[INFO] [stdout]   --> src/assembler/token.rs:60:15
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub const ILGL: &'static str = "ilgl";
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_integer` is never used
[INFO] [stdout]   --> src/assembler/parser.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn parse_integer(i: i32) -> (u8, u8) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Parser` is never constructed
[INFO] [stdout]   --> src/assembler/parser.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct Parser<'a> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/assembler/parser.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl<'a> Parser<'a> {
[INFO] [stdout]    | ------------------- associated items in this implementation
[INFO] [stdout] 33 |     pub fn new(input: &'a String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     fn register(&mut self) -> Result<u8, &'static str> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     fn integer(&mut self) -> Result<(u8, u8), &'static str> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     fn integer_op(&mut self, op: Opcode) -> Result<[u8; 4], &'static str> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     fn nullary_op(&mut self, op: Opcode) -> Result<[u8; 4], &'static str> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     fn binary_op(&mut self, op: Opcode) -> Result<[u8; 4], &'static str> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 77 |     fn next_instruction(&mut self) -> Result<[u8; 4], &'static str> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `integer_for_register` is never used
[INFO] [stdout]  --> src/assembler/parser.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub const integer_for_register: &'static str = "syntax error: expected register, found integer";
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `operator_for_register` is never used
[INFO] [stdout]  --> src/assembler/parser.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub const operator_for_register: &'static str =
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `register_for_integer` is never used
[INFO] [stdout]  --> src/assembler/parser.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub const register_for_integer: &'static str = "syntax error: expected integer, found register";
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `operator_for_integer` is never used
[INFO] [stdout]  --> src/assembler/parser.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub const operator_for_integer: &'static str = "syntax error: expected integer, found operator";
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `heap` is never read
[INFO] [stdout]  --> src/vm.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct VM {
[INFO] [stdout]   |            -- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 9 |     heap: Vec<u8>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `alloc` is never used
[INFO] [stdout]    --> src/vm.rs:163:8
[INFO] [stdout]     |
[INFO] [stdout] 16  | impl VM {
[INFO] [stdout]     | ------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 163 |     fn alloc(&mut self) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `integer_for_register` should have an upper case name
[INFO] [stdout]  --> src/assembler/parser.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub const integer_for_register: &'static str = "syntax error: expected register, found integer";
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `INTEGER_FOR_REGISTER`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `operator_for_register` should have an upper case name
[INFO] [stdout]  --> src/assembler/parser.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub const operator_for_register: &'static str =
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `OPERATOR_FOR_REGISTER`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `register_for_integer` should have an upper case name
[INFO] [stdout]  --> src/assembler/parser.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub const register_for_integer: &'static str = "syntax error: expected integer, found register";
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `REGISTER_FOR_INTEGER`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `operator_for_integer` should have an upper case name
[INFO] [stdout]  --> src/assembler/parser.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub const operator_for_integer: &'static str = "syntax error: expected integer, found operator";
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `OPERATOR_FOR_INTEGER`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "8d7e7abba56a487091d49e5549f0b1f61318b66b274e9e81db9445c683339928", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d7e7abba56a487091d49e5549f0b1f61318b66b274e9e81db9445c683339928", kill_on_drop: false }`
[INFO] [stdout] 8d7e7abba56a487091d49e5549f0b1f61318b66b274e9e81db9445c683339928
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 650fec146bfffc504de4523674618c0aa1f1604cbd6411740781fe8efbc9e80f
[INFO] running `Command { std: "docker" "start" "-a" "650fec146bfffc504de4523674618c0aa1f1604cbd6411740781fe8efbc9e80f", kill_on_drop: false }`
[INFO] [stderr]    Compiling iridium v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type alias `Op` is never used
[INFO] [stdout]  --> src/assembler/lex.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | type Op = Opcode;
[INFO] [stdout]   |      ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Tok` is never used
[INFO] [stdout]  --> src/assembler/lex.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | type Tok = Token;
[INFO] [stdout]   |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `read_instruction` is never used
[INFO] [stdout]   --> src/assembler/lex.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl Lexer<'_> {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] 26 |     fn read_instruction(&mut self) -> Instruction {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_integer` is never used
[INFO] [stdout]   --> src/assembler/lex.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn parse_integer(i: i32) -> (u8, u8) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `parse_operand` is never used
[INFO] [stdout]   --> src/assembler/lex.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl Token {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 48 |     fn parse_operand(self, operands: &mut Vec<u8>) -> Result<(), &'static str> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_bytes` is never used
[INFO] [stdout]   --> src/assembler/lex.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 62 | impl Instruction {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] 63 |     pub fn to_bytes(&self) -> Result<Vec<u8>, &'static str> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cursor` is never constructed
[INFO] [stdout]   --> src/assembler/token.rs:80:8
[INFO] [stdout]    |
[INFO] [stdout] 80 | struct Cursor<'a>(Chars<'a>);
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/assembler/token.rs:95:12
[INFO] [stdout]    |
[INFO] [stdout] 94 | impl Lexer<'_> {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 95 |     pub fn new(input: &String) -> Lexer {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ILGL` is never used
[INFO] [stdout]   --> src/assembler/token.rs:60:15
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub const ILGL: &'static str = "ilgl";
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_integer` is never used
[INFO] [stdout]   --> src/assembler/parser.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn parse_integer(i: i32) -> (u8, u8) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Parser` is never constructed
[INFO] [stdout]   --> src/assembler/parser.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct Parser<'a> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/assembler/parser.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl<'a> Parser<'a> {
[INFO] [stdout]    | ------------------- associated items in this implementation
[INFO] [stdout] 33 |     pub fn new(input: &'a String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     fn register(&mut self) -> Result<u8, &'static str> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     fn integer(&mut self) -> Result<(u8, u8), &'static str> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     fn integer_op(&mut self, op: Opcode) -> Result<[u8; 4], &'static str> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     fn nullary_op(&mut self, op: Opcode) -> Result<[u8; 4], &'static str> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     fn binary_op(&mut self, op: Opcode) -> Result<[u8; 4], &'static str> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 77 |     fn next_instruction(&mut self) -> Result<[u8; 4], &'static str> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `integer_for_register` is never used
[INFO] [stdout]  --> src/assembler/parser.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub const integer_for_register: &'static str = "syntax error: expected register, found integer";
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `operator_for_register` is never used
[INFO] [stdout]  --> src/assembler/parser.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub const operator_for_register: &'static str =
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `register_for_integer` is never used
[INFO] [stdout]  --> src/assembler/parser.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub const register_for_integer: &'static str = "syntax error: expected integer, found register";
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `operator_for_integer` is never used
[INFO] [stdout]  --> src/assembler/parser.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub const operator_for_integer: &'static str = "syntax error: expected integer, found operator";
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `heap` is never read
[INFO] [stdout]  --> src/vm.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct VM {
[INFO] [stdout]   |            -- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 9 |     heap: Vec<u8>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `alloc` is never used
[INFO] [stdout]    --> src/vm.rs:163:8
[INFO] [stdout]     |
[INFO] [stdout] 16  | impl VM {
[INFO] [stdout]     | ------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 163 |     fn alloc(&mut self) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `integer_for_register` should have an upper case name
[INFO] [stdout]  --> src/assembler/parser.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub const integer_for_register: &'static str = "syntax error: expected register, found integer";
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `INTEGER_FOR_REGISTER`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `operator_for_register` should have an upper case name
[INFO] [stdout]  --> src/assembler/parser.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub const operator_for_register: &'static str =
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `OPERATOR_FOR_REGISTER`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `register_for_integer` should have an upper case name
[INFO] [stdout]  --> src/assembler/parser.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub const register_for_integer: &'static str = "syntax error: expected integer, found register";
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `REGISTER_FOR_INTEGER`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `operator_for_integer` should have an upper case name
[INFO] [stdout]  --> src/assembler/parser.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub const operator_for_integer: &'static str = "syntax error: expected integer, found operator";
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `OPERATOR_FOR_INTEGER`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "650fec146bfffc504de4523674618c0aa1f1604cbd6411740781fe8efbc9e80f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "650fec146bfffc504de4523674618c0aa1f1604cbd6411740781fe8efbc9e80f", kill_on_drop: false }`
[INFO] [stdout] 650fec146bfffc504de4523674618c0aa1f1604cbd6411740781fe8efbc9e80f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 160e1d2b73ec09ffa3aaea985603e67ca2a9f618f283a7ae67456ef5ca5b7672
[INFO] running `Command { std: "docker" "start" "-a" "160e1d2b73ec09ffa3aaea985603e67ca2a9f618f283a7ae67456ef5ca5b7672", kill_on_drop: false }`
[INFO] [stderr] warning: type alias `Op` is never used
[INFO] [stderr]  --> src/assembler/lex.rs:4:6
[INFO] [stderr]   |
[INFO] [stderr] 4 | type Op = Opcode;
[INFO] [stderr]   |      ^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `Tok` is never used
[INFO] [stderr]  --> src/assembler/lex.rs:5:6
[INFO] [stderr]   |
[INFO] [stderr] 5 | type Tok = Token;
[INFO] [stderr]   |      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `read_instruction` is never used
[INFO] [stderr]   --> src/assembler/lex.rs:26:8
[INFO] [stderr]    |
[INFO] [stderr] 25 | impl Lexer<'_> {
[INFO] [stderr]    | -------------- method in this implementation
[INFO] [stderr] 26 |     fn read_instruction(&mut self) -> Instruction {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `parse_integer` is never used
[INFO] [stderr]   --> src/assembler/lex.rs:41:4
[INFO] [stderr]    |
[INFO] [stderr] 41 | fn parse_integer(i: i32) -> (u8, u8) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `parse_operand` is never used
[INFO] [stderr]   --> src/assembler/lex.rs:48:8
[INFO] [stderr]    |
[INFO] [stderr] 47 | impl Token {
[INFO] [stderr]    | ---------- method in this implementation
[INFO] [stderr] 48 |     fn parse_operand(self, operands: &mut Vec<u8>) -> Result<(), &'static str> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: method `to_bytes` is never used
[INFO] [stdout] running 19 tests
[INFO] [stderr]   --> src/assembler/lex.rs:63:12
[INFO] [stdout] test instructions::tests::test_create_hlt ... ok
[INFO] [stderr]    |
[INFO] [stdout] test instructions::tests::test_create_instruction ... ok
[INFO] [stderr] 62 | impl Instruction {
[INFO] [stdout] test vm::tests::test_div_with_remainder ... ok
[INFO] [stderr]    | ---------------- method in this implementation
[INFO] [stderr] 63 |     pub fn to_bytes(&self) -> Result<Vec<u8>, &'static str> {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Cursor` is never constructed
[INFO] [stderr]   --> src/assembler/token.rs:80:8
[INFO] [stderr]    |
[INFO] [stderr] 80 | struct Cursor<'a>(Chars<'a>);
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/assembler/token.rs:95:12
[INFO] [stderr]    |
[INFO] [stderr] 94 | impl Lexer<'_> {
[INFO] [stderr]    | -------------- associated function in this implementation
[INFO] [stderr] 95 |     pub fn new(input: &String) -> Lexer {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `ILGL` is never used
[INFO] [stderr]   --> src/assembler/token.rs:60:15
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub const ILGL: &'static str = "ilgl";
[INFO] [stderr]    |               ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `parse_integer` is never used
[INFO] [stderr]   --> src/assembler/parser.rs:12:4
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn parse_integer(i: i32) -> (u8, u8) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Parser` is never constructed
[INFO] [stderr]   --> src/assembler/parser.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 18 | struct Parser<'a> {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple associated items are never used
[INFO] [stderr]   --> src/assembler/parser.rs:33:12
[INFO] [stderr]    |
[INFO] [stderr] 32 | impl<'a> Parser<'a> {
[INFO] [stderr]    | ------------------- associated items in this implementation
[INFO] [stderr] 33 |     pub fn new(input: &'a String) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 39 |     fn register(&mut self) -> Result<u8, &'static str> {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 48 |     fn integer(&mut self) -> Result<(u8, u8), &'static str> {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 57 |     fn integer_op(&mut self, op: Opcode) -> Result<[u8; 4], &'static str> {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 64 |     fn nullary_op(&mut self, op: Opcode) -> Result<[u8; 4], &'static str> {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 69 |     fn binary_op(&mut self, op: Opcode) -> Result<[u8; 4], &'static str> {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 77 |     fn next_instruction(&mut self) -> Result<[u8; 4], &'static str> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `integer_for_register` is never used
[INFO] [stderr]  --> src/assembler/parser.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 |     pub const integer_for_register: &'static str = "syntax error: expected register, found integer";
[INFO] [stderr]   |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `operator_for_register` is never used
[INFO] [stderr]  --> src/assembler/parser.rs:6:15
[INFO] [stderr]   |
[INFO] [stderr] 6 |     pub const operator_for_register: &'static str =
[INFO] [stderr]   |               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `register_for_integer` is never used
[INFO] [stderr]  --> src/assembler/parser.rs:8:15
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub const register_for_integer: &'static str = "syntax error: expected integer, found register";
[INFO] [stderr]   |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `operator_for_integer` is never used
[INFO] [stderr]  --> src/assembler/parser.rs:9:15
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub const operator_for_integer: &'static str = "syntax error: expected integer, found operator";
[INFO] [stderr]   |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `heap` is never read
[INFO] [stderr]  --> src/vm.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct VM {
[INFO] [stderr]   |            -- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 9 |     heap: Vec<u8>,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `alloc` is never used
[INFO] [stderr]    --> src/vm.rs:163:8
[INFO] [stderr]     |
[INFO] [stderr] 16  | impl VM {
[INFO] [stderr]     | ------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 163 |     fn alloc(&mut self) {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `integer_for_register` should have an upper case name
[INFO] [stderr]  --> src/assembler/parser.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 |     pub const integer_for_register: &'static str = "syntax error: expected register, found integer";
[INFO] [stderr]   |               ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `INTEGER_FOR_REGISTER`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `operator_for_register` should have an upper case name
[INFO] [stderr]  --> src/assembler/parser.rs:6:15
[INFO] [stderr]   |
[INFO] [stderr] 6 |     pub const operator_for_register: &'static str =
[INFO] [stderr]   |               ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `OPERATOR_FOR_REGISTER`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `register_for_integer` should have an upper case name
[INFO] [stderr]  --> src/assembler/parser.rs:8:15
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub const register_for_integer: &'static str = "syntax error: expected integer, found register";
[INFO] [stderr]   |               ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `REGISTER_FOR_INTEGER`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `operator_for_integer` should have an upper case name
[INFO] [stderr]  --> src/assembler/parser.rs:9:15
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub const operator_for_integer: &'static str = "syntax error: expected integer, found operator";
[INFO] [stderr]   |               ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `OPERATOR_FOR_INTEGER`
[INFO] [stderr] 
[INFO] [stderr] warning: `iridium` (bin "iridium" test) generated 22 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/iridium-c428bfea7691bd2e)
[INFO] [stdout] test vm::tests::test_jeq ... ok
[INFO] [stdout] test vm::tests::test_eq ... ok
[INFO] [stdout] test vm::tests::test_add ... ok
[INFO] [stdout] test vm::tests::test_hlt ... ok
[INFO] [stdout] test vm::tests::test_create_vm ... ok
[INFO] [stdout] test vm::tests::test_div ... ok
[INFO] [stdout] test vm::tests::test_ilgl ... ok
[INFO] [stdout] test vm::tests::test_jump ... ok
[INFO] [stdout] test vm::tests::test_neq ... ok
[INFO] [stdout] test vm::tests::test_jump_back ... ok
[INFO] [stdout] test vm::tests::test_jump_forward ... ok
[INFO] [stdout] test vm::tests::test_jump_forward_then_back ... ok
[INFO] [stdout] test vm::tests::test_load_to_0_fail ... ok
[INFO] [stdout] test vm::tests::test_load_to_0_ok ... ok
[INFO] [stdout] test vm::tests::test_mul ... ok
[INFO] [stdout] test vm::tests::test_sub ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "160e1d2b73ec09ffa3aaea985603e67ca2a9f618f283a7ae67456ef5ca5b7672", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "160e1d2b73ec09ffa3aaea985603e67ca2a9f618f283a7ae67456ef5ca5b7672", kill_on_drop: false }`
[INFO] [stdout] 160e1d2b73ec09ffa3aaea985603e67ca2a9f618f283a7ae67456ef5ca5b7672