[INFO] cloning repository https://github.com/yskim308/rust-walk [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yskim308/rust-walk" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyskim308%2Frust-walk", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyskim308%2Frust-walk'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 183b1b15516b496dabf16b1af7ef2625f12b307a [INFO] checking yskim308/rust-walk against try#3f7e3b175fda7edbf81081bcd9b91b73f2f7993f for pr-156157 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyskim308%2Frust-walk" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/yskim308/rust-walk [INFO] finished tweaking git repo https://github.com/yskim308/rust-walk [INFO] tweaked toml for git repo https://github.com/yskim308/rust-walk written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/yskim308/rust-walk on toolchain 3f7e3b175fda7edbf81081bcd9b91b73f2f7993f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/yskim308/rust-walk 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" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 66e267eb5791aaa3787faf8c6be4163eb0e9ac8761b7d9117e9d5a23af1bce07 [INFO] running `Command { std: "docker" "start" "-a" "66e267eb5791aaa3787faf8c6be4163eb0e9ac8761b7d9117e9d5a23af1bce07", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "66e267eb5791aaa3787faf8c6be4163eb0e9ac8761b7d9117e9d5a23af1bce07", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "66e267eb5791aaa3787faf8c6be4163eb0e9ac8761b7d9117e9d5a23af1bce07", kill_on_drop: false }` [INFO] [stdout] 66e267eb5791aaa3787faf8c6be4163eb0e9ac8761b7d9117e9d5a23af1bce07 [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5679523ff8c477c78727ca726e250558ffa431dea89f8f1363d7b33c620566ab [INFO] running `Command { std: "docker" "start" "-a" "5679523ff8c477c78727ca726e250558ffa431dea89f8f1363d7b33c620566ab", kill_on_drop: false }` [INFO] [stderr] Checking rlox v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/resolver.rs:55:13 [INFO] [stdout] | [INFO] [stdout] 55 | _ => todo!(), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/resolver.rs:55:13 [INFO] [stdout] | [INFO] [stdout] 28 | Stmt::Block(stmts) => self.resolve_block(stmts), [INFO] [stdout] | ------------------ matches some of the same values [INFO] [stdout] 29 | Stmt::Var(name, initializer) => self.resolve_var_stmt(name, initializer), [INFO] [stdout] | ---------------------------- matches some of the same values [INFO] [stdout] 30 | Stmt::Function(fun_def) => { [INFO] [stdout] | ----------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 35 | Stmt::Expression(expr) => self.resolve_expr(expr), [INFO] [stdout] | ---------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 55 | _ => todo!(), [INFO] [stdout] | ^ ...and 4 other patterns collectively make this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/resolver.rs:55:13 [INFO] [stdout] | [INFO] [stdout] 55 | _ => todo!(), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/resolver.rs:55:13 [INFO] [stdout] | [INFO] [stdout] 28 | Stmt::Block(stmts) => self.resolve_block(stmts), [INFO] [stdout] | ------------------ matches some of the same values [INFO] [stdout] 29 | Stmt::Var(name, initializer) => self.resolve_var_stmt(name, initializer), [INFO] [stdout] | ---------------------------- matches some of the same values [INFO] [stdout] 30 | Stmt::Function(fun_def) => { [INFO] [stdout] | ----------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 35 | Stmt::Expression(expr) => self.resolve_expr(expr), [INFO] [stdout] | ---------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 55 | _ => todo!(), [INFO] [stdout] | ^ ...and 4 other patterns collectively make this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `interpreter` and `scopes` are never read [INFO] [stdout] --> src/resolver.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 13 | pub struct Resolver { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 14 | interpreter: Interpreter, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 15 | scopes: Vec>, [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 `interpreter` and `scopes` are never read [INFO] [stdout] --> src/resolver.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 13 | pub struct Resolver { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 14 | interpreter: Interpreter, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 15 | scopes: Vec>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple methods are never used [INFO] [stdout] --> src/resolver.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 18 | impl Resolver { [INFO] [stdout] | ------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 26 | fn resolve_stmt(&mut self, stmt: &Stmt) -> Result<(), RuntimeSignal> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 59 | fn resolve_function_stmt(&mut self, fun_def: &FunctionDefinition) -> Result<(), RuntimeSignal> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 71 | fn resolve_expr(&mut self, expr: &Expr) -> Result<(), RuntimeSignal> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 115 | fn resolve_assign_expr( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 126 | fn resolve_var_expr(&mut self, name: &Token, expr: &Expr) -> Result<(), RuntimeSignal> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 135 | fn resolve_var_local(&mut self, expr: &Expr, name: &Token) -> Result<(), RuntimeSignal> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 144 | fn resolve_block(&mut self, stmts: &[Stmt]) -> Result<(), RuntimeSignal> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 153 | fn resolve_var_stmt( [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 166 | fn begin_scope(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 170 | fn end_scope(&mut self) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 174 | fn declare(&mut self, name: &Token) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 180 | fn define(&mut self, name: &Token) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple methods are never used [INFO] [stdout] --> src/resolver.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 18 | impl Resolver { [INFO] [stdout] | ------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 26 | fn resolve_stmt(&mut self, stmt: &Stmt) -> Result<(), RuntimeSignal> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 59 | fn resolve_function_stmt(&mut self, fun_def: &FunctionDefinition) -> Result<(), RuntimeSignal> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 71 | fn resolve_expr(&mut self, expr: &Expr) -> Result<(), RuntimeSignal> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 115 | fn resolve_assign_expr( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 126 | fn resolve_var_expr(&mut self, name: &Token, expr: &Expr) -> Result<(), RuntimeSignal> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 135 | fn resolve_var_local(&mut self, expr: &Expr, name: &Token) -> Result<(), RuntimeSignal> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 144 | fn resolve_block(&mut self, stmts: &[Stmt]) -> Result<(), RuntimeSignal> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 153 | fn resolve_var_stmt( [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 166 | fn begin_scope(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 170 | fn end_scope(&mut self) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 174 | fn declare(&mut self, name: &Token) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 180 | fn define(&mut self, name: &Token) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s [INFO] running `Command { std: "docker" "inspect" "5679523ff8c477c78727ca726e250558ffa431dea89f8f1363d7b33c620566ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5679523ff8c477c78727ca726e250558ffa431dea89f8f1363d7b33c620566ab", kill_on_drop: false }` [INFO] [stdout] 5679523ff8c477c78727ca726e250558ffa431dea89f8f1363d7b33c620566ab