[INFO] cloning repository https://github.com/Pjiwm/Rlox-AST [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Pjiwm/Rlox-AST" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPjiwm%2FRlox-AST", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPjiwm%2FRlox-AST'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 947a3adb440647c1cd15e49f8e597e101afc3217 [INFO] checking Pjiwm/Rlox-AST against try#69cf48176da7795067be67cef76e41a8aac9b134 for pr-146013-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPjiwm%2FRlox-AST" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Pjiwm/Rlox-AST [INFO] finished tweaking git repo https://github.com/Pjiwm/Rlox-AST [INFO] tweaked toml for git repo https://github.com/Pjiwm/Rlox-AST written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Pjiwm/Rlox-AST on toolchain 69cf48176da7795067be67cef76e41a8aac9b134 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+69cf48176da7795067be67cef76e41a8aac9b134" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/Pjiwm/Rlox-AST 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" "+69cf48176da7795067be67cef76e41a8aac9b134" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+69cf48176da7795067be67cef76e41a8aac9b134" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f7e9d20e2f15520dfad401b6a87f1fb0150d34a80e984a645ea96d8eda706277 [INFO] running `Command { std: "docker" "start" "-a" "f7e9d20e2f15520dfad401b6a87f1fb0150d34a80e984a645ea96d8eda706277", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f7e9d20e2f15520dfad401b6a87f1fb0150d34a80e984a645ea96d8eda706277", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f7e9d20e2f15520dfad401b6a87f1fb0150d34a80e984a645ea96d8eda706277", kill_on_drop: false }` [INFO] [stdout] f7e9d20e2f15520dfad401b6a87f1fb0150d34a80e984a645ea96d8eda706277 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+69cf48176da7795067be67cef76e41a8aac9b134" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0d4d8ce1481b0628c1f18aae75e8842dd6518775010b55b419c266538d7eafec [INFO] running `Command { std: "docker" "start" "-a" "0d4d8ce1481b0628c1f18aae75e8842dd6518775010b55b419c266538d7eafec", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling proc-macro2 v1.0.40 [INFO] [stderr] Compiling unicode-ident v1.0.1 [INFO] [stderr] Compiling quote v1.0.20 [INFO] [stderr] Compiling syn v1.0.98 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling rustversion v1.0.7 [INFO] [stderr] Checking regex-syntax v0.6.27 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking once_cell v1.13.0 [INFO] [stderr] Checking fastrand v1.8.0 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking zeroize v1.5.7 [INFO] [stderr] Checking strum v0.24.1 [INFO] [stderr] Compiling substring v1.4.5 [INFO] [stderr] Checking terminal_size v0.1.17 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking tempfile v3.3.0 [INFO] [stderr] Checking colored v2.0.0 [INFO] [stderr] Checking regex v1.6.0 [INFO] [stderr] Checking console v0.15.0 [INFO] [stderr] Checking dialoguer v0.10.1 [INFO] [stderr] Compiling strum_macros v0.24.2 [INFO] [stderr] Checking rlox v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `expr` [INFO] [stdout] --> src/interpreter.rs:442:36 [INFO] [stdout] | [INFO] [stdout] 442 | fn visit_super_expr(&mut self, expr: &Super) -> VisitorTypes { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_expr` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `expr` [INFO] [stdout] --> src/resolver.rs:152:36 [INFO] [stdout] | [INFO] [stdout] 152 | fn visit_super_expr(&mut self, expr: &Super) -> VisitorTypes { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_expr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `expr` is never read [INFO] [stdout] --> src/ast.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct HashedExpr { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 11 | pub expr: Rc, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `String` is never constructed [INFO] [stdout] --> src/ast.rs:50:5 [INFO] [stdout] | [INFO] [stdout] 49 | pub enum VisitorTypes { [INFO] [stdout] | ------------ variant in this enum [INFO] [stdout] 50 | String(String), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `VisitorTypes` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `visit_super_expr` is never used [INFO] [stdout] --> src/ast.rs:66:8 [INFO] [stdout] | [INFO] [stdout] 57 | pub trait ExprVisitor { [INFO] [stdout] | ----------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 66 | fn visit_super_expr(&mut self, expr: &Super) -> VisitorTypes; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Super` is never constructed [INFO] [stdout] --> src/ast.rs:242:12 [INFO] [stdout] | [INFO] [stdout] 242 | pub struct Super { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/ast.rs:247:12 [INFO] [stdout] | [INFO] [stdout] 246 | impl Super { [INFO] [stdout] | ---------- associated function in this implementation [INFO] [stdout] 247 | pub fn new(keyword: Token, method: Token) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `AstPrinter` is never constructed [INFO] [stdout] --> src/ast_printer.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct AstPrinter; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `parenthesize` is never used [INFO] [stdout] --> src/ast_printer.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 6 | impl AstPrinter { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 23 | fn parenthesize(&mut self, name: &str, exprs: Vec<&dyn Expr>) -> VisitorTypes { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/parser.rs:21:24 [INFO] [stdout] | [INFO] [stdout] 21 | pub fn new(tokens: &[Token]) -> Parser { [INFO] [stdout] | ^^^^^^^^ ^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 21 | pub fn new(tokens: &[Token]) -> Parser<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/resolver.rs:34:49 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn new(interpreter: &'a Interpreter) -> Resolver { [INFO] [stdout] | -- ^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is named here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 34 | pub fn new(interpreter: &'a Interpreter) -> Resolver<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `expr` [INFO] [stdout] --> src/interpreter.rs:442:36 [INFO] [stdout] | [INFO] [stdout] 442 | fn visit_super_expr(&mut self, expr: &Super) -> VisitorTypes { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_expr` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `expr` [INFO] [stdout] --> src/resolver.rs:152:36 [INFO] [stdout] | [INFO] [stdout] 152 | fn visit_super_expr(&mut self, expr: &Super) -> VisitorTypes { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_expr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `expr` is never read [INFO] [stdout] --> src/ast.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct HashedExpr { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 11 | pub expr: Rc, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `String` is never constructed [INFO] [stdout] --> src/ast.rs:50:5 [INFO] [stdout] | [INFO] [stdout] 49 | pub enum VisitorTypes { [INFO] [stdout] | ------------ variant in this enum [INFO] [stdout] 50 | String(String), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `VisitorTypes` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `visit_super_expr` is never used [INFO] [stdout] --> src/ast.rs:66:8 [INFO] [stdout] | [INFO] [stdout] 57 | pub trait ExprVisitor { [INFO] [stdout] | ----------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 66 | fn visit_super_expr(&mut self, expr: &Super) -> VisitorTypes; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Super` is never constructed [INFO] [stdout] --> src/ast.rs:242:12 [INFO] [stdout] | [INFO] [stdout] 242 | pub struct Super { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/ast.rs:247:12 [INFO] [stdout] | [INFO] [stdout] 246 | impl Super { [INFO] [stdout] | ---------- associated function in this implementation [INFO] [stdout] 247 | pub fn new(keyword: Token, method: Token) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `AstPrinter` is never constructed [INFO] [stdout] --> src/ast_printer.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct AstPrinter; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `parenthesize` is never used [INFO] [stdout] --> src/ast_printer.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 6 | impl AstPrinter { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 23 | fn parenthesize(&mut self, name: &str, exprs: Vec<&dyn Expr>) -> VisitorTypes { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/parser.rs:21:24 [INFO] [stdout] | [INFO] [stdout] 21 | pub fn new(tokens: &[Token]) -> Parser { [INFO] [stdout] | ^^^^^^^^ ^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 21 | pub fn new(tokens: &[Token]) -> Parser<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/resolver.rs:34:49 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn new(interpreter: &'a Interpreter) -> Resolver { [INFO] [stdout] | -- ^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is named here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 34 | pub fn new(interpreter: &'a Interpreter) -> Resolver<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.31s [INFO] running `Command { std: "docker" "inspect" "0d4d8ce1481b0628c1f18aae75e8842dd6518775010b55b419c266538d7eafec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d4d8ce1481b0628c1f18aae75e8842dd6518775010b55b419c266538d7eafec", kill_on_drop: false }` [INFO] [stdout] 0d4d8ce1481b0628c1f18aae75e8842dd6518775010b55b419c266538d7eafec