[INFO] cloning repository https://github.com/jstnlef/rlox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jstnlef/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjstnlef%2Frlox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjstnlef%2Frlox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5b2539933766d572a8c9398610d36cf33d64e0bf
[INFO] checking jstnlef/rlox/5b2539933766d572a8c9398610d36cf33d64e0bf against master#2aabf3ce0569dd7c8c2d2a27944850056dcf2566 for pr-156508
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjstnlef%2Frlox" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jstnlef/rlox
[INFO] finished tweaking git repo https://github.com/jstnlef/rlox
[INFO] tweaked toml for git repo https://github.com/jstnlef/rlox written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jstnlef/rlox on toolchain 2aabf3ce0569dd7c8c2d2a27944850056dcf2566
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2aabf3ce0569dd7c8c2d2a27944850056dcf2566" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jstnlef/rlox 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" "+2aabf3ce0569dd7c8c2d2a27944850056dcf2566" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lazy_static v0.2.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+2aabf3ce0569dd7c8c2d2a27944850056dcf2566" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1bae4872b6533e338c8597cebf8883a42ba2962b232d00edd41af127c1d92f48
[INFO] running `Command { std: "docker" "start" "-a" "1bae4872b6533e338c8597cebf8883a42ba2962b232d00edd41af127c1d92f48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bae4872b6533e338c8597cebf8883a42ba2962b232d00edd41af127c1d92f48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bae4872b6533e338c8597cebf8883a42ba2962b232d00edd41af127c1d92f48", kill_on_drop: false }`
[INFO] [stdout] 1bae4872b6533e338c8597cebf8883a42ba2962b232d00edd41af127c1d92f48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+2aabf3ce0569dd7c8c2d2a27944850056dcf2566" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d50be26690439dc66f66132dcf5037562f2366ad72daf6c50dfef84f80cb3968
[INFO] running `Command { std: "docker" "start" "-a" "d50be26690439dc66f66132dcf5037562f2366ad72daf6c50dfef84f80cb3968", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]     Checking lazy_static v0.2.10
[INFO] [stderr]     Checking rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]    --> src/scanner.rs:338:1
[INFO] [stdout]     |
[INFO] [stdout] 338 | / lazy_static! {
[INFO] [stdout] 339 | |     static ref KEYWORDS: HashMap<&'static str, TokenType> = {
[INFO] [stdout] 340 | |         let mut m = HashMap::new();
[INFO] [stdout] 341 | |         m.insert("and", TokenType::AND);
[INFO] [stdout] ...   |
[INFO] [stdout] 358 | |     };
[INFO] [stdout] 359 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]    --> src/scanner.rs:338:1
[INFO] [stdout]     |
[INFO] [stdout] 338 | / lazy_static! {
[INFO] [stdout] 339 | |     static ref KEYWORDS: HashMap<&'static str, TokenType> = {
[INFO] [stdout] 340 | |         let mut m = HashMap::new();
[INFO] [stdout] 341 | |         m.insert("and", TokenType::AND);
[INFO] [stdout] ...   |
[INFO] [stdout] 358 | |     };
[INFO] [stdout] 359 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lox_object.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Function(Rc<Callable>),
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Function(Rc<dyn Callable>),
[INFO] [stdout]    |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Callable`
[INFO] [stdout]  --> src/interpreter.rs:5:29
[INFO] [stdout]   |
[INFO] [stdout] 5 | use lox_object::{LoxObject, Callable};
[INFO] [stdout]   |                             ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `interpreter`
[INFO] [stdout]   --> src/native_functions.rs:13:20
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn call(&self, interpreter: &mut Interpreter, arguments: &[LoxObject]) -> RuntimeResult<LoxObject> {
[INFO] [stdout]    |                    ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interpreter`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arguments`
[INFO] [stdout]   --> src/native_functions.rs:13:51
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn call(&self, interpreter: &mut Interpreter, arguments: &[LoxObject]) -> RuntimeResult<LoxObject> {
[INFO] [stdout]    |                                                   ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_arguments`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `line_error` is never used
[INFO] [stdout]   --> src/lox.rs:78:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Lox {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 78 |     fn line_error(&mut self, line: i32, message: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `CLASS`, `FUN`, `RETURN`, `SUPER`, and `THIS` are never constructed
[INFO] [stdout]    --> src/scanner.rs:266:5
[INFO] [stdout]     |
[INFO] [stdout] 235 | pub enum TokenType {
[INFO] [stdout]     |          --------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 266 |     CLASS,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 269 |     FUN,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 275 |     RETURN,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 276 |     SUPER,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 277 |     THIS,
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `line` and `message` are never read
[INFO] [stdout]    --> src/scanner.rs:325:5
[INFO] [stdout]     |
[INFO] [stdout] 324 | pub struct ScanError {
[INFO] [stdout]     |            --------- fields in this struct
[INFO] [stdout] 325 |     line: i32,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 326 |     message: String,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `globals` is never read
[INFO] [stdout]   --> src/interpreter.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct Interpreter {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 10 |     globals: Rc<Environment>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]    --> src/scanner.rs:338:1
[INFO] [stdout]     |
[INFO] [stdout] 338 | / lazy_static! {
[INFO] [stdout] 339 | |     static ref KEYWORDS: HashMap<&'static str, TokenType> = {
[INFO] [stdout] 340 | |         let mut m = HashMap::new();
[INFO] [stdout] 341 | |         m.insert("and", TokenType::AND);
[INFO] [stdout] ...   |
[INFO] [stdout] 358 | |     };
[INFO] [stdout] 359 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]    --> src/scanner.rs:338:1
[INFO] [stdout]     |
[INFO] [stdout] 338 | / lazy_static! {
[INFO] [stdout] 339 | |     static ref KEYWORDS: HashMap<&'static str, TokenType> = {
[INFO] [stdout] 340 | |         let mut m = HashMap::new();
[INFO] [stdout] 341 | |         m.insert("and", TokenType::AND);
[INFO] [stdout] ...   |
[INFO] [stdout] 358 | |     };
[INFO] [stdout] 359 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lox_object.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Function(Rc<Callable>),
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Function(Rc<dyn Callable>),
[INFO] [stdout]    |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Callable`
[INFO] [stdout]  --> src/interpreter.rs:5:29
[INFO] [stdout]   |
[INFO] [stdout] 5 | use lox_object::{LoxObject, Callable};
[INFO] [stdout]   |                             ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `interpreter`
[INFO] [stdout]   --> src/native_functions.rs:13:20
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn call(&self, interpreter: &mut Interpreter, arguments: &[LoxObject]) -> RuntimeResult<LoxObject> {
[INFO] [stdout]    |                    ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interpreter`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arguments`
[INFO] [stdout]   --> src/native_functions.rs:13:51
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn call(&self, interpreter: &mut Interpreter, arguments: &[LoxObject]) -> RuntimeResult<LoxObject> {
[INFO] [stdout]    |                                                   ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_arguments`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `line_error` is never used
[INFO] [stdout]   --> src/lox.rs:78:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Lox {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 78 |     fn line_error(&mut self, line: i32, message: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `line` and `message` are never read
[INFO] [stdout]    --> src/scanner.rs:325:5
[INFO] [stdout]     |
[INFO] [stdout] 324 | pub struct ScanError {
[INFO] [stdout]     |            --------- fields in this struct
[INFO] [stdout] 325 |     line: i32,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 326 |     message: String,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `globals` is never read
[INFO] [stdout]   --> src/interpreter.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct Interpreter {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 10 |     globals: Rc<Environment>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "d50be26690439dc66f66132dcf5037562f2366ad72daf6c50dfef84f80cb3968", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d50be26690439dc66f66132dcf5037562f2366ad72daf6c50dfef84f80cb3968", kill_on_drop: false }`
[INFO] [stdout] d50be26690439dc66f66132dcf5037562f2366ad72daf6c50dfef84f80cb3968
