[INFO] cloning repository https://github.com/RMcTn/Chip-8-emulator-again
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RMcTn/Chip-8-emulator-again" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRMcTn%2FChip-8-emulator-again", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRMcTn%2FChip-8-emulator-again'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e7940aa6512327d5c81c5b7a96e5a16185abdfab
[INFO] checking RMcTn/Chip-8-emulator-again against master#b4fefcd60bfd770510f7dc540e887dd3ba4fe5c1 for pr-156992
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRMcTn%2FChip-8-emulator-again" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/RMcTn/Chip-8-emulator-again
[INFO] finished tweaking git repo https://github.com/RMcTn/Chip-8-emulator-again
[INFO] tweaked toml for git repo https://github.com/RMcTn/Chip-8-emulator-again written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/RMcTn/Chip-8-emulator-again on toolchain b4fefcd60bfd770510f7dc540e887dd3ba4fe5c1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fefcd60bfd770510f7dc540e887dd3ba4fe5c1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/RMcTn/Chip-8-emulator-again 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" "+b4fefcd60bfd770510f7dc540e887dd3ba4fe5c1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/Rust-SDL2/rust-sdl2`
[INFO] [stderr]     Updating git submodule `https://github.com/libsdl-org/SDL`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b4fefcd60bfd770510f7dc540e887dd3ba4fe5c1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed524073f9cc7e2eef4e580dd97ba622d9c62897347d14161d533340462051cc
[INFO] running `Command { std: "docker" "start" "-a" "ed524073f9cc7e2eef4e580dd97ba622d9c62897347d14161d533340462051cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed524073f9cc7e2eef4e580dd97ba622d9c62897347d14161d533340462051cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed524073f9cc7e2eef4e580dd97ba622d9c62897347d14161d533340462051cc", kill_on_drop: false }`
[INFO] [stdout] ed524073f9cc7e2eef4e580dd97ba622d9c62897347d14161d533340462051cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b4fefcd60bfd770510f7dc540e887dd3ba4fe5c1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04bf205050cd4a7928c36b626d0b992a72e1590ce49f0c7a07d770d6dc55bf97
[INFO] running `Command { std: "docker" "start" "-a" "04bf205050cd4a7928c36b626d0b992a72e1590ce49f0c7a07d770d6dc55bf97", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling sdl2 v0.35.2 (https://github.com/Rust-SDL2/rust-sdl2?rev=27cd1fd67c811e06b9d997a77bb6089a1b65070d#27cd1fd6)
[INFO] [stderr]    Compiling chip-8-emulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]    Compiling sdl2-sys v0.35.2 (https://github.com/Rust-SDL2/rust-sdl2?rev=27cd1fd67c811e06b9d997a77bb6089a1b65070d#27cd1fd6)
[INFO] [stderr]     Checking getrandom v0.2.9
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stdout] warning: function `assemble` is never used
[INFO] [stdout]  --> src/assembler.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn assemble(source: String) -> Vec<u8> {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Parser` is never constructed
[INFO] [stdout]   --> src/assembler.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Parser {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/assembler.rs:19:8
[INFO] [stdout]     |
[INFO] [stdout]  18 | impl Parser {
[INFO] [stdout]     | ----------- associated items in this implementation
[INFO] [stdout]  19 |     fn new(tokens: Vec<Token>) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  23 |     fn label_pre_pass(&mut self) -> Vec<Token> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  84 |     fn generate_machine_code(&mut self) -> Vec<u8> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 376 |     fn machine_code_for_instruction(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 676 |     fn next_token(&self) -> &Token {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 680 |     fn next_token_is_newline(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 685 |     fn check(&self, token_type: TokenType) -> bool {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 691 |     fn check_at(&self, token_type: TokenType, idx: usize) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 699 |     fn check_all(&self, token_types: &[TokenType]) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 711 |     fn advance(&mut self) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 715 |     fn advance_by(&mut self, amount: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 720 |     fn match_tokens(&mut self, token_types: &[TokenType]) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 734 |     fn match_tokens_consume_if_true(&mut self, token_types: &[TokenType]) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 743 |     fn is_at_end(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TokenType` is never used
[INFO] [stdout]  --> src/scanner.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum TokenType {
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `NumericalValue` is never used
[INFO] [stdout]   --> src/scanner.rs:40:10
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub enum NumericalValue {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Token` is never constructed
[INFO] [stdout]   --> src/scanner.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub struct Token {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Scanner` is never constructed
[INFO] [stdout]   --> src/scanner.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub struct Scanner {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/scanner.rs:61:12
[INFO] [stdout]     |
[INFO] [stdout]  60 | impl Scanner {
[INFO] [stdout]     | ------------ associated items in this implementation
[INFO] [stdout]  61 |     pub fn new(source: String) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  94 |     pub fn tokenize(&mut self) -> Vec<Token> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 108 |     fn next_char_is(&self, ch: char) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 115 |     fn is_at_end(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |     fn advance(&mut self) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 |     fn scan_token(&mut self) -> Option<Token> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 220 |     fn parse_instruction(&mut self) -> Option<TokenType> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 237 |     fn parse_hex_number(&mut self) -> u16 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 259 |     fn parse_decimal_number(&mut self) -> u16 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 274 |     fn peek(&self) -> char {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 283 |     fn peek_next(&self) -> char {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tokenize` is never used
[INFO] [stdout]    --> src/scanner.rs:293:8
[INFO] [stdout]     |
[INFO] [stdout] 293 | pub fn tokenize(source: String) -> Vec<Token> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Addr` and `Colon` are never constructed
[INFO] [stdout]   --> src/scanner.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub enum TokenType {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 26 |     Addr,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     Colon,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `peek_next` is never used
[INFO] [stdout]    --> src/scanner.rs:283:8
[INFO] [stdout]     |
[INFO] [stdout]  60 | impl Scanner {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 283 |     fn peek_next(&self) -> char {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 27s
[INFO] running `Command { std: "docker" "inspect" "04bf205050cd4a7928c36b626d0b992a72e1590ce49f0c7a07d770d6dc55bf97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04bf205050cd4a7928c36b626d0b992a72e1590ce49f0c7a07d770d6dc55bf97", kill_on_drop: false }`
[INFO] [stdout] 04bf205050cd4a7928c36b626d0b992a72e1590ce49f0c7a07d770d6dc55bf97
