[INFO] cloning repository https://github.com/evilwaveforms/rlox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/evilwaveforms/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevilwaveforms%2Frlox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevilwaveforms%2Frlox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 031a24371fa2cce74a19f7f57aad48e7a540c63e
[INFO] checking evilwaveforms/rlox against try#5e7498e6740d105521420ac0ab146e2c7a21596d for pr-138363
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevilwaveforms%2Frlox" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/evilwaveforms/rlox on toolchain 5e7498e6740d105521420ac0ab146e2c7a21596d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/evilwaveforms/rlox
[INFO] finished tweaking git repo https://github.com/evilwaveforms/rlox
[INFO] tweaked toml for git repo https://github.com/evilwaveforms/rlox written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/evilwaveforms/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" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 388dfb1b4eafdd3f398f6f699f711738f0c8bfb8d595c63e6dc3ceaab1f6e5b5
[INFO] running `Command { std: "docker" "start" "-a" "388dfb1b4eafdd3f398f6f699f711738f0c8bfb8d595c63e6dc3ceaab1f6e5b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "388dfb1b4eafdd3f398f6f699f711738f0c8bfb8d595c63e6dc3ceaab1f6e5b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "388dfb1b4eafdd3f398f6f699f711738f0c8bfb8d595c63e6dc3ceaab1f6e5b5", kill_on_drop: false }`
[INFO] [stdout] 388dfb1b4eafdd3f398f6f699f711738f0c8bfb8d595c63e6dc3ceaab1f6e5b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6091c591076b0d662e6faea56688d17223cbd0b2daac2cbe015a5d8161505505
[INFO] running `Command { std: "docker" "start" "-a" "6091c591076b0d662e6faea56688d17223cbd0b2daac2cbe015a5d8161505505", kill_on_drop: false }`
[INFO] [stderr]     Checking rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `interpreter`
[INFO] [stdout]   --> src/interpreter.rs:42:20
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn call(&self, interpreter: &Interpreter, arguments: Vec<Data>) {
[INFO] [stdout]    |                    ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interpreter`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arguments`
[INFO] [stdout]   --> src/interpreter.rs:42:47
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn call(&self, interpreter: &Interpreter, arguments: Vec<Data>) {
[INFO] [stdout]    |                                               ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_arguments`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arguments`
[INFO] [stdout]   --> src/interpreter.rs:85:28
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub fn call(&mut self, arguments: Vec<Stmt>) {
[INFO] [stdout]    |                            ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_arguments`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `epxr`
[INFO] [stdout]    --> src/interpreter.rs:114:24
[INFO] [stdout]     |
[INFO] [stdout] 114 |             Expr::Call(epxr) => todo!(),
[INFO] [stdout]     |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_epxr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stmt`
[INFO] [stdout]    --> src/interpreter.rs:126:28
[INFO] [stdout]     |
[INFO] [stdout] 126 |             Stmt::Function(stmt) => todo!(),
[INFO] [stdout]     |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_stmt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `initializer` is never read
[INFO] [stdout]   --> src/parser.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let mut initializer = None;
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/parser.rs:461:17
[INFO] [stdout]     |
[INFO] [stdout] 461 |             Err(e) => true,
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/parser.rs:491:21
[INFO] [stdout]     |
[INFO] [stdout] 491 |                 Err(e) => return,
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `interpreter`
[INFO] [stdout]   --> src/interpreter.rs:42:20
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn call(&self, interpreter: &Interpreter, arguments: Vec<Data>) {
[INFO] [stdout]    |                    ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interpreter`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arguments`
[INFO] [stdout]   --> src/interpreter.rs:42:47
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn call(&self, interpreter: &Interpreter, arguments: Vec<Data>) {
[INFO] [stdout]    |                                               ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_arguments`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arguments`
[INFO] [stdout]   --> src/interpreter.rs:85:28
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub fn call(&mut self, arguments: Vec<Stmt>) {
[INFO] [stdout]    |                            ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_arguments`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `epxr`
[INFO] [stdout]    --> src/interpreter.rs:114:24
[INFO] [stdout]     |
[INFO] [stdout] 114 |             Expr::Call(epxr) => todo!(),
[INFO] [stdout]     |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_epxr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stmt`
[INFO] [stdout]    --> src/interpreter.rs:126:28
[INFO] [stdout]     |
[INFO] [stdout] 126 |             Stmt::Function(stmt) => todo!(),
[INFO] [stdout]     |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_stmt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `LoxCallable` is never used
[INFO] [stdout]   --> src/interpreter.rs:38:7
[INFO] [stdout]    |
[INFO] [stdout] 38 | trait LoxCallable {
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `initializer` is never read
[INFO] [stdout]   --> src/parser.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let mut initializer = None;
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `evaluate_call_expr` is never used
[INFO] [stdout]    --> src/interpreter.rs:266:8
[INFO] [stdout]     |
[INFO] [stdout] 84  | impl Interpreter {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 266 |     fn evaluate_call_expr(&mut self, expr: &Call) -> Result<Data, Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/parser.rs:199:9
[INFO] [stdout]     |
[INFO] [stdout] 199 |         self.consume(&TokenType::RightParen, "Expect ')' after parameters.");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 199 |         let _ = self.consume(&TokenType::RightParen, "Expect ')' after parameters.");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/parser.rs:200:9
[INFO] [stdout]     |
[INFO] [stdout] 200 |         self.consume(&TokenType::LeftBrace, &("Expect '{' before ".to_string() + &kind + " body."));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 200 |         let _ = self.consume(&TokenType::LeftBrace, &("Expect '{' before ".to_string() + &kind + " body."));
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/parser.rs:211:9
[INFO] [stdout]     |
[INFO] [stdout] 211 |         self.consume(&TokenType::RightBrace, "Expect '}' after block.");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 211 |         let _ = self.consume(&TokenType::RightBrace, "Expect '}' after block.");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/parser.rs:461:17
[INFO] [stdout]     |
[INFO] [stdout] 461 |             Err(e) => true,
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/parser.rs:491:21
[INFO] [stdout]     |
[INFO] [stdout] 491 |                 Err(e) => return,
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `LoxCallable` is never used
[INFO] [stdout]   --> src/interpreter.rs:38:7
[INFO] [stdout]    |
[INFO] [stdout] 38 | trait LoxCallable {
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `evaluate_call_expr` is never used
[INFO] [stdout]    --> src/interpreter.rs:266:8
[INFO] [stdout]     |
[INFO] [stdout] 84  | impl Interpreter {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 266 |     fn evaluate_call_expr(&mut self, expr: &Call) -> Result<Data, Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/parser.rs:199:9
[INFO] [stdout]     |
[INFO] [stdout] 199 |         self.consume(&TokenType::RightParen, "Expect ')' after parameters.");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 199 |         let _ = self.consume(&TokenType::RightParen, "Expect ')' after parameters.");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/parser.rs:200:9
[INFO] [stdout]     |
[INFO] [stdout] 200 |         self.consume(&TokenType::LeftBrace, &("Expect '{' before ".to_string() + &kind + " body."));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 200 |         let _ = self.consume(&TokenType::LeftBrace, &("Expect '{' before ".to_string() + &kind + " body."));
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/parser.rs:211:9
[INFO] [stdout]     |
[INFO] [stdout] 211 |         self.consume(&TokenType::RightBrace, "Expect '}' after block.");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 211 |         let _ = self.consume(&TokenType::RightBrace, "Expect '}' after block.");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `repl`
[INFO] [stdout]   --> src/main.rs:68:37
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn run(idx: usize, source: Vec<u8>, repl: bool, interpreter: &mut Interpreter) {
[INFO] [stdout]    |                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_repl`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `repl`
[INFO] [stdout]   --> src/main.rs:68:37
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn run(idx: usize, source: Vec<u8>, repl: bool, interpreter: &mut Interpreter) {
[INFO] [stdout]    |                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_repl`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "6091c591076b0d662e6faea56688d17223cbd0b2daac2cbe015a5d8161505505", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6091c591076b0d662e6faea56688d17223cbd0b2daac2cbe015a5d8161505505", kill_on_drop: false }`
[INFO] [stdout] 6091c591076b0d662e6faea56688d17223cbd0b2daac2cbe015a5d8161505505