[INFO] cloning repository https://github.com/crr1c4/lox-bytecode-interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/crr1c4/lox-bytecode-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrr1c4%2Flox-bytecode-interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrr1c4%2Flox-bytecode-interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8836b3602b0d39e64479cd02975fd97f00c56e07
[INFO] checking crr1c4/lox-bytecode-interpreter against eca445e5ae4a6679cc27d3a09106ce245e13a5a6 for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrr1c4%2Flox-bytecode-interpreter" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/crr1c4/lox-bytecode-interpreter
[INFO] finished tweaking git repo https://github.com/crr1c4/lox-bytecode-interpreter
[INFO] tweaked toml for git repo https://github.com/crr1c4/lox-bytecode-interpreter written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/crr1c4/lox-bytecode-interpreter on toolchain eca445e5ae4a6679cc27d3a09106ce245e13a5a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/crr1c4/lox-bytecode-interpreter 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" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror-impl v1.0.63
[INFO] [stderr]   Downloaded anstyle-query v1.1.1
[INFO] [stderr]   Downloaded rustyline v14.0.0
[INFO] [stderr]   Downloaded error-code v3.2.0
[INFO] [stderr]   Downloaded clap_derive v4.5.13
[INFO] [stderr]   Downloaded thiserror v1.0.63
[INFO] [stderr]   Downloaded endian-type v0.1.2
[INFO] [stderr]   Downloaded anstyle-wincon v3.0.4
[INFO] [stderr]   Downloaded anstyle v1.0.8
[INFO] [stderr]   Downloaded colorchoice v1.0.2
[INFO] [stderr]   Downloaded nibble_vec v0.1.0
[INFO] [stderr]   Downloaded anstream v0.6.15
[INFO] [stderr]   Downloaded anstyle-parse v0.2.5
[INFO] [stderr]   Downloaded fd-lock v4.0.2
[INFO] [stderr]   Downloaded clipboard-win v5.4.0
[INFO] [stderr]   Downloaded clap v4.5.15
[INFO] [stderr]   Downloaded indexmap v2.3.0
[INFO] [stderr]   Downloaded clap_builder v4.5.15
[INFO] [stderr]   Downloaded syn v2.0.72
[INFO] [stderr]   Downloaded radix_trie v0.2.1
[INFO] [stderr]   Downloaded nix v0.28.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 4944d2606b8216939d912f3a98146560fd123cd5ee2797644717030cd63bd278
[INFO] running `Command { std: "docker" "start" "4944d2606b8216939d912f3a98146560fd123cd5ee2797644717030cd63bd278", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4944d2606b8216939d912f3a98146560fd123cd5ee2797644717030cd63bd278", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4944d2606b8216939d912f3a98146560fd123cd5ee2797644717030cd63bd278" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4944d2606b8216939d912f3a98146560fd123cd5ee2797644717030cd63bd278", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4944d2606b8216939d912f3a98146560fd123cd5ee2797644717030cd63bd278" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]     Checking anstyle v1.0.8
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking colorchoice v1.0.2
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]     Checking anstyle-parse v0.2.5
[INFO] [stderr]     Checking anstyle-query v1.1.1
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling nix v0.28.0
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking clap_lex v0.7.2
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking unicode-segmentation v1.11.0
[INFO] [stderr]     Checking unicode-width v0.1.13
[INFO] [stderr]     Checking anstream v0.6.15
[INFO] [stderr]    Compiling indexmap v2.3.0
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking clap_builder v4.5.15
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]     Checking fd-lock v4.0.2
[INFO] [stderr]     Checking rustyline v14.0.0
[INFO] [stderr]    Compiling toml_edit v0.21.1
[INFO] [stderr]    Compiling clap_derive v4.5.13
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling derive_more-impl v1.0.0
[INFO] [stderr]    Compiling proc-macro-crate v3.1.0
[INFO] [stderr]    Compiling num_enum_derive v0.7.3
[INFO] [stderr]     Checking derive_more v1.0.0
[INFO] [stderr]     Checking num_enum v0.7.3
[INFO] [stderr]     Checking clap v4.5.15
[INFO] [stderr]     Checking lox-interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `chunk`
[INFO] [stdout]   --> src/lib.rs:20:16
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn compile(chunk: &mut Chunk, source: &str) -> Result<()> {
[INFO] [stdout]    |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_chunk`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source`
[INFO] [stdout]   --> src/lib.rs:20:35
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn compile(chunk: &mut Chunk, source: &str) -> Result<()> {
[INFO] [stdout]    |                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `InputError` is never used
[INFO] [stdout]   --> src/error.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub enum InputError {
[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 `Scanner` is never constructed
[INFO] [stdout]  --> src/scanner/mod.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Scanner {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/scanner/mod.rs:66:12
[INFO] [stdout]     |
[INFO] [stdout]  65 | impl Scanner {
[INFO] [stdout]     | ------------ associated items in this implementation
[INFO] [stdout]  66 |     pub fn new(source: impl Into<String>) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  76 |     fn make_identifier_or_keyword(&mut self) -> Token {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 107 |     fn make_number(&mut self) -> Token {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 132 |     fn make_string(&mut self) -> Token {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 150 |     fn skip_whitespace(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 177 |     fn peek(&self, index: usize) -> Option<char> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 181 |     fn is_at_end(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 185 |     fn make_token(&mut self, kind: TokenKind) -> Token {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 199 |     fn make_error_token(&self, message: &str) -> Token {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Token` is never constructed
[INFO] [stdout]  --> src/scanner/token.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Token {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/scanner/token.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Token {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 12 |     pub fn new(kind: TokenKind, source: String, line: u32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TokenKind` is never used
[INFO] [stdout]   --> src/scanner/token.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub enum TokenKind {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TokenError` is never constructed
[INFO] [stdout]   --> src/scanner/token.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub struct TokenError<'a> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/scanner/token.rs:85:12
[INFO] [stdout]    |
[INFO] [stdout] 84 | impl<'a> TokenError<'a> {
[INFO] [stdout]    | ----------------------- associated function in this implementation
[INFO] [stdout] 85 |     pub fn new(token: &'a Token, message: impl Into<String>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `chunk`
[INFO] [stdout]   --> src/lib.rs:20:16
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn compile(chunk: &mut Chunk, source: &str) -> Result<()> {
[INFO] [stdout]    |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_chunk`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source`
[INFO] [stdout]   --> src/lib.rs:20:35
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn compile(chunk: &mut Chunk, source: &str) -> Result<()> {
[INFO] [stdout]    |                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `InputError` is never used
[INFO] [stdout]   --> src/error.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub enum InputError {
[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 `Scanner` is never constructed
[INFO] [stdout]  --> src/scanner/mod.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Scanner {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/scanner/mod.rs:66:12
[INFO] [stdout]     |
[INFO] [stdout]  65 | impl Scanner {
[INFO] [stdout]     | ------------ associated items in this implementation
[INFO] [stdout]  66 |     pub fn new(source: impl Into<String>) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  76 |     fn make_identifier_or_keyword(&mut self) -> Token {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 107 |     fn make_number(&mut self) -> Token {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 132 |     fn make_string(&mut self) -> Token {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 150 |     fn skip_whitespace(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 177 |     fn peek(&self, index: usize) -> Option<char> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 181 |     fn is_at_end(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 185 |     fn make_token(&mut self, kind: TokenKind) -> Token {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 199 |     fn make_error_token(&self, message: &str) -> Token {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Token` is never constructed
[INFO] [stdout]  --> src/scanner/token.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Token {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/scanner/token.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Token {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 12 |     pub fn new(kind: TokenKind, source: String, line: u32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TokenKind` is never used
[INFO] [stdout]   --> src/scanner/token.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub enum TokenKind {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TokenError` is never constructed
[INFO] [stdout]   --> src/scanner/token.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub struct TokenError<'a> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/scanner/token.rs:85:12
[INFO] [stdout]    |
[INFO] [stdout] 84 | impl<'a> TokenError<'a> {
[INFO] [stdout]    | ----------------------- associated function in this implementation
[INFO] [stdout] 85 |     pub fn new(token: &'a Token, message: impl Into<String>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused dependency `clap`
[INFO] [stderr]  --> Cargo.toml:7:15
[INFO] [stderr]   |
[INFO] [stderr] 7 | [dependencies.clap]
[INFO] [stderr]   |               ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `clap`
[INFO] [stderr] warning: unused dependency `num_enum`
[INFO] [stderr]  --> Cargo.toml:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | num_enum = "0.7.3"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: consider removing the dependency on `num_enum`
[INFO] [stderr] warning: unused dependency `rustyline`
[INFO] [stderr]  --> Cargo.toml:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | rustyline = "14.0.0"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: consider removing the dependency on `rustyline`
[INFO] [stderr] warning: `lox-interpreter` (manifest) generated 3 warnings
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.40s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nix v0.28.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "4944d2606b8216939d912f3a98146560fd123cd5ee2797644717030cd63bd278", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4944d2606b8216939d912f3a98146560fd123cd5ee2797644717030cd63bd278", kill_on_drop: false }`
[INFO] [stdout] 4944d2606b8216939d912f3a98146560fd123cd5ee2797644717030cd63bd278
