[INFO] cloning repository https://github.com/kazukousen/rust-monkey
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kazukousen/rust-monkey" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkazukousen%2Frust-monkey", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkazukousen%2Frust-monkey'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0f5731a6606fc4c0273954dee20d94a967cbb132
[INFO] testing kazukousen/rust-monkey against 1.76.0 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkazukousen%2Frust-monkey" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kazukousen/rust-monkey on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kazukousen/rust-monkey
[INFO] finished tweaking git repo https://github.com/kazukousen/rust-monkey
[INFO] tweaked toml for git repo https://github.com/kazukousen/rust-monkey written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kazukousen/rust-monkey 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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2dfd45632b4ac85cb58df853e468f8e0ae95a60dd41fbe01bc9782b4484be042
[INFO] running `Command { std: "docker" "start" "-a" "2dfd45632b4ac85cb58df853e468f8e0ae95a60dd41fbe01bc9782b4484be042", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2dfd45632b4ac85cb58df853e468f8e0ae95a60dd41fbe01bc9782b4484be042", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dfd45632b4ac85cb58df853e468f8e0ae95a60dd41fbe01bc9782b4484be042", kill_on_drop: false }`
[INFO] [stdout] 2dfd45632b4ac85cb58df853e468f8e0ae95a60dd41fbe01bc9782b4484be042
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe3021d81f37c0407c54bff234dbc04ccefc1b755e5ef2ea731b320d96b988d0
[INFO] running `Command { std: "docker" "start" "-a" "fe3021d81f37c0407c54bff234dbc04ccefc1b755e5ef2ea731b320d96b988d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `prompt`
[INFO] [stdout]  --> src/repl.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let prompt = ">> ";
[INFO] [stdout]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_prompt`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_letter` is never used
[INFO] [stdout]  --> src/utils.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn is_letter(s: &String) -> bool {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_digit` is never used
[INFO] [stdout]  --> src/utils.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn is_digit(s: &String) -> bool {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/lexer/token.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub enum TokenType {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] 5  |     ILLEGAL,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 6  |     EOF,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 7  |     IDENT(String),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 8  |     INT(String),
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 9  |     STRING(String),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 10 |     ASSIGN,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 11 |     PLUS,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 12 |     MINUS,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 13 |     MULTIPLY,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 14 |     DIVIDE,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 15 |     LT,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 16 |     GT,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 17 |     BANG,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 18 |     COMMA,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 19 |     COLON,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 20 |     SEMICOLON,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 21 |     LPAREN,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 22 |     RPAREN,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 23 |     LBRACE,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 24 |     RBRACE,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 25 |     LBRACKET,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 26 |     RBRACKET,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 27 |     FUNCTION,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 28 |     LET,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 29 |     TRUE,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 30 |     FALSE,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 31 |     IF,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 32 |     ELSE,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 33 |     RETURN,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 34 |     EQ,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 35 |     NOTEQ,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_string` is never used
[INFO] [stdout]   --> src/lexer/token.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 38 | impl TokenType {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 39 |     pub fn from_string(s: &String) -> TokenType {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `new_string` are never used
[INFO] [stdout]   --> src/lexer/token.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 83 | impl Token {
[INFO] [stdout]    | ---------- associated functions in this implementation
[INFO] [stdout] 84 |     pub fn new(s: String, is_string: bool, line_num: u8, column_num: u8) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 95 |     fn new_string(s: String, line_num: u8, column_num: u8) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `input`, `current_char`, `pos`, `read_pos`, `line`, and `column` are never read
[INFO] [stdout]   --> src/lexer/lexer.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 5  | pub struct Lexer {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 6  |     input: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 7  |     current_char: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 8  |     pos: i32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 9  |     read_pos: i32,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 10 |     line: u8,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 11 |     column: u8,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Lexer` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `EMPTY_STR` is never used
[INFO] [stdout]   --> src/lexer/lexer.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub static EMPTY_STR: &'static str = "";
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/lexer/lexer.rs:17:12
[INFO] [stdout]     |
[INFO] [stdout] 16  | impl Lexer {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout] 17  |     pub fn new(input: String) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 30  |     fn read_char(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37  |     fn get_char(&self, pos: i32) -> String {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44  |     fn peek_char(&self) -> String {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48  |     pub fn next_token(&mut self) -> token::Token {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78  |     fn read_string(&mut self) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94  |     fn read_identifier(&mut self) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 |     fn read_digit(&mut self) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 117 |     fn skip_whitespace(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "fe3021d81f37c0407c54bff234dbc04ccefc1b755e5ef2ea731b320d96b988d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe3021d81f37c0407c54bff234dbc04ccefc1b755e5ef2ea731b320d96b988d0", kill_on_drop: false }`
[INFO] [stdout] fe3021d81f37c0407c54bff234dbc04ccefc1b755e5ef2ea731b320d96b988d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8cb2e0044749dd75e46deb8a17847d98a9defb3a012ea71d62a3640bef13c04c
[INFO] running `Command { std: "docker" "start" "-a" "8cb2e0044749dd75e46deb8a17847d98a9defb3a012ea71d62a3640bef13c04c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `prompt`
[INFO] [stdout]  --> src/repl.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let prompt = ">> ";
[INFO] [stdout]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_prompt`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "8cb2e0044749dd75e46deb8a17847d98a9defb3a012ea71d62a3640bef13c04c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cb2e0044749dd75e46deb8a17847d98a9defb3a012ea71d62a3640bef13c04c", kill_on_drop: false }`
[INFO] [stdout] 8cb2e0044749dd75e46deb8a17847d98a9defb3a012ea71d62a3640bef13c04c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fc2607aa515e78285cef456d6a61456ec8ac16cff83829d6b9e2f77b3a5575ee
[INFO] running `Command { std: "docker" "start" "-a" "fc2607aa515e78285cef456d6a61456ec8ac16cff83829d6b9e2f77b3a5575ee", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `prompt`
[INFO] [stderr]  --> src/repl.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let prompt = ">> ";
[INFO] [stderr]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_prompt`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-monkey` (bin "rust-monkey" test) generated 1 warning (run `cargo fix --bin "rust-monkey" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_monkey-0e0af5ec6a14ab6c)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test lexer::lexer::tests::it_should_analysis_control_syntax ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fc2607aa515e78285cef456d6a61456ec8ac16cff83829d6b9e2f77b3a5575ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc2607aa515e78285cef456d6a61456ec8ac16cff83829d6b9e2f77b3a5575ee", kill_on_drop: false }`
[INFO] [stdout] fc2607aa515e78285cef456d6a61456ec8ac16cff83829d6b9e2f77b3a5575ee
[INFO] testing kazukousen/rust-monkey against beta-2024-02-10 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkazukousen%2Frust-monkey" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kazukousen/rust-monkey on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kazukousen/rust-monkey
[INFO] finished tweaking git repo https://github.com/kazukousen/rust-monkey
[INFO] tweaked toml for git repo https://github.com/kazukousen/rust-monkey written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kazukousen/rust-monkey 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" "+beta-2024-02-10" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2383964ecf7911a19ed4e1270cd2e9e68ae33073f6cfc79d856a62cc691de6dc
[INFO] running `Command { std: "docker" "start" "-a" "2383964ecf7911a19ed4e1270cd2e9e68ae33073f6cfc79d856a62cc691de6dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2383964ecf7911a19ed4e1270cd2e9e68ae33073f6cfc79d856a62cc691de6dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2383964ecf7911a19ed4e1270cd2e9e68ae33073f6cfc79d856a62cc691de6dc", kill_on_drop: false }`
[INFO] [stdout] 2383964ecf7911a19ed4e1270cd2e9e68ae33073f6cfc79d856a62cc691de6dc
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2b80466394b275aca66ad514b5cdd82a9fbe77574610001f8d72afad911947a
[INFO] running `Command { std: "docker" "start" "-a" "e2b80466394b275aca66ad514b5cdd82a9fbe77574610001f8d72afad911947a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `prompt`
[INFO] [stdout]  --> src/repl.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let prompt = ">> ";
[INFO] [stdout]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_prompt`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_letter` is never used
[INFO] [stdout]  --> src/utils.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn is_letter(s: &String) -> bool {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_digit` is never used
[INFO] [stdout]  --> src/utils.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn is_digit(s: &String) -> bool {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/lexer/token.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub enum TokenType {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] 5  |     ILLEGAL,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 6  |     EOF,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 7  |     IDENT(String),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 8  |     INT(String),
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 9  |     STRING(String),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 10 |     ASSIGN,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 11 |     PLUS,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 12 |     MINUS,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 13 |     MULTIPLY,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 14 |     DIVIDE,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 15 |     LT,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 16 |     GT,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 17 |     BANG,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 18 |     COMMA,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 19 |     COLON,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 20 |     SEMICOLON,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 21 |     LPAREN,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 22 |     RPAREN,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 23 |     LBRACE,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 24 |     RBRACE,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 25 |     LBRACKET,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 26 |     RBRACKET,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 27 |     FUNCTION,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 28 |     LET,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 29 |     TRUE,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 30 |     FALSE,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 31 |     IF,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 32 |     ELSE,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 33 |     RETURN,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 34 |     EQ,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 35 |     NOTEQ,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_string` is never used
[INFO] [stdout]   --> src/lexer/token.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 38 | impl TokenType {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 39 |     pub fn from_string(s: &String) -> TokenType {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `new_string` are never used
[INFO] [stdout]   --> src/lexer/token.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 83 | impl Token {
[INFO] [stdout]    | ---------- associated functions in this implementation
[INFO] [stdout] 84 |     pub fn new(s: String, is_string: bool, line_num: u8, column_num: u8) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 95 |     fn new_string(s: String, line_num: u8, column_num: u8) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `input`, `current_char`, `pos`, `read_pos`, `line`, and `column` are never read
[INFO] [stdout]   --> src/lexer/lexer.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 5  | pub struct Lexer {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 6  |     input: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 7  |     current_char: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 8  |     pos: i32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 9  |     read_pos: i32,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 10 |     line: u8,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 11 |     column: u8,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Lexer` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `EMPTY_STR` is never used
[INFO] [stdout]   --> src/lexer/lexer.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub static EMPTY_STR: &'static str = "";
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/lexer/lexer.rs:17:12
[INFO] [stdout]     |
[INFO] [stdout] 16  | impl Lexer {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout] 17  |     pub fn new(input: String) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 30  |     fn read_char(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37  |     fn get_char(&self, pos: i32) -> String {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44  |     fn peek_char(&self) -> String {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48  |     pub fn next_token(&mut self) -> token::Token {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78  |     fn read_string(&mut self) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94  |     fn read_identifier(&mut self) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 |     fn read_digit(&mut self) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 117 |     fn skip_whitespace(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "e2b80466394b275aca66ad514b5cdd82a9fbe77574610001f8d72afad911947a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2b80466394b275aca66ad514b5cdd82a9fbe77574610001f8d72afad911947a", kill_on_drop: false }`
[INFO] [stdout] e2b80466394b275aca66ad514b5cdd82a9fbe77574610001f8d72afad911947a
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4223786b47c9481ff093e95a85331e1dd91b0d8e0b3ec39c208d6c37ecb153c
[INFO] running `Command { std: "docker" "start" "-a" "f4223786b47c9481ff093e95a85331e1dd91b0d8e0b3ec39c208d6c37ecb153c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `prompt`
[INFO] [stdout]  --> src/repl.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let prompt = ">> ";
[INFO] [stdout]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_prompt`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetaIs8KCU"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-monkey` (bin "rust-monkey" test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "f4223786b47c9481ff093e95a85331e1dd91b0d8e0b3ec39c208d6c37ecb153c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4223786b47c9481ff093e95a85331e1dd91b0d8e0b3ec39c208d6c37ecb153c", kill_on_drop: false }`
[INFO] [stdout] f4223786b47c9481ff093e95a85331e1dd91b0d8e0b3ec39c208d6c37ecb153c
