[INFO] cloning repository https://github.com/lukasnxyz/lox-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lukasnxyz/lox-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukasnxyz%2Flox-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukasnxyz%2Flox-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fa49017c7222193406ab2de15860a239bd452ad0
[INFO] checking lukasnxyz/lox-lang against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukasnxyz%2Flox-lang" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lukasnxyz/lox-lang
[INFO] finished tweaking git repo https://github.com/lukasnxyz/lox-lang
[INFO] tweaked toml for git repo https://github.com/lukasnxyz/lox-lang written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lukasnxyz/lox-lang on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lukasnxyz/lox-lang 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2cb169a49bf7ffe1447290ad82333e7b407462d73996124251ff39588d992696
[INFO] running `Command { std: "docker" "start" "-a" "2cb169a49bf7ffe1447290ad82333e7b407462d73996124251ff39588d992696", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cb169a49bf7ffe1447290ad82333e7b407462d73996124251ff39588d992696", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cb169a49bf7ffe1447290ad82333e7b407462d73996124251ff39588d992696", kill_on_drop: false }`
[INFO] [stdout] 2cb169a49bf7ffe1447290ad82333e7b407462d73996124251ff39588d992696
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b93a5ba9da1bf074fd972bfb42aa1706c861b7e4ee0ee81e0a3d9ddb9a1460a
[INFO] running `Command { std: "docker" "start" "-a" "9b93a5ba9da1bf074fd972bfb42aa1706c861b7e4ee0ee81e0a3d9ddb9a1460a", kill_on_drop: false }`
[INFO] [stderr]     Checking rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/lox.rs:1:98
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{errors::LoxError, interpreter::Interpreter, lexer::Lexer, parser::Parser, resolver::{self, Resolver}};
[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 import: `self`
[INFO] [stdout]  --> src/lox.rs:1:98
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{errors::LoxError, interpreter::Interpreter, lexer::Lexer, parser::Parser, resolver::{self, Resolver}};
[INFO] [stdout]   |                                                                                                  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `initializer` is never read
[INFO] [stdout]   --> src/parser.rs:83:27
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let mut initializer = None;
[INFO] [stdout]    |                           ^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 89 |       initializer = Some(self.expr_stmt()?);
[INFO] [stdout]    |       ----------- `initializer` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `initializer` is never read
[INFO] [stdout]   --> src/parser.rs:83:27
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let mut initializer = None;
[INFO] [stdout]    |                           ^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 89 |       initializer = Some(self.expr_stmt()?);
[INFO] [stdout]    |       ----------- `initializer` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `EnvError` is never constructed
[INFO] [stdout]   --> src/errors.rs:11:3
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub enum LoxError {
[INFO] [stdout]    |          -------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 11 |   EnvError(EnvError),
[INFO] [stdout]    |   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LoxError` has a derived impl for the trait `Debug`, but this is 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: variants `ValueNotFound` and `VariableUninitialized` are never constructed
[INFO] [stdout]    --> src/errors.rs:165:3
[INFO] [stdout]     |
[INFO] [stdout] 162 | pub enum RuntimeError {
[INFO] [stdout]     |          ------------ variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 165 |   ValueNotFound(usize, String, String),
[INFO] [stdout]     |   ^^^^^^^^^^^^^
[INFO] [stdout] 166 |   VariableUninitialized(usize, String, String),
[INFO] [stdout]     |   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Get`, `Set`, `Super`, and `This` are never constructed
[INFO] [stdout]    --> src/types.rs:251:3
[INFO] [stdout]     |
[INFO] [stdout] 236 | pub enum Expr {
[INFO] [stdout]     |          ---- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 251 |   Get {
[INFO] [stdout]     |   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 266 |   Set {
[INFO] [stdout]     |   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 271 |   Super {
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 275 |   This {
[INFO] [stdout]     |   ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Expr` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Class` is never constructed
[INFO] [stdout]    --> src/types.rs:423:3
[INFO] [stdout]     |
[INFO] [stdout] 419 | pub enum Stmt {
[INFO] [stdout]     |          ---- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 423 |   Class {
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Stmt` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `EnvError` is never constructed
[INFO] [stdout]   --> src/errors.rs:11:3
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub enum LoxError {
[INFO] [stdout]    |          -------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 11 |   EnvError(EnvError),
[INFO] [stdout]    |   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LoxError` has a derived impl for the trait `Debug`, but this is 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: variants `ValueNotFound` and `VariableUninitialized` are never constructed
[INFO] [stdout]    --> src/errors.rs:165:3
[INFO] [stdout]     |
[INFO] [stdout] 162 | pub enum RuntimeError {
[INFO] [stdout]     |          ------------ variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 165 |   ValueNotFound(usize, String, String),
[INFO] [stdout]     |   ^^^^^^^^^^^^^
[INFO] [stdout] 166 |   VariableUninitialized(usize, String, String),
[INFO] [stdout]     |   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Get`, `Set`, `Super`, and `This` are never constructed
[INFO] [stdout]    --> src/types.rs:251:3
[INFO] [stdout]     |
[INFO] [stdout] 236 | pub enum Expr {
[INFO] [stdout]     |          ---- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 251 |   Get {
[INFO] [stdout]     |   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 266 |   Set {
[INFO] [stdout]     |   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 271 |   Super {
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 275 |   This {
[INFO] [stdout]     |   ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Expr` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Class` is never constructed
[INFO] [stdout]    --> src/types.rs:423:3
[INFO] [stdout]     |
[INFO] [stdout] 419 | pub enum Stmt {
[INFO] [stdout]     |          ---- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 423 |   Class {
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Stmt` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "9b93a5ba9da1bf074fd972bfb42aa1706c861b7e4ee0ee81e0a3d9ddb9a1460a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b93a5ba9da1bf074fd972bfb42aa1706c861b7e4ee0ee81e0a3d9ddb9a1460a", kill_on_drop: false }`
[INFO] [stdout] 9b93a5ba9da1bf074fd972bfb42aa1706c861b7e4ee0ee81e0a3d9ddb9a1460a
