[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 master#23718020b12d7e5a54f82a19910e8356ee719667 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-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Pjiwm/Rlox-AST on toolchain 23718020b12d7e5a54f82a19910e8356ee719667
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23718020b12d7e5a54f82a19910e8356ee719667" "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" "+23718020b12d7e5a54f82a19910e8356ee719667" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+23718020b12d7e5a54f82a19910e8356ee719667" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef69026426484128b8076a1bfb7064520ddb144aa097243b7b39fe2469562d9f
[INFO] running `Command { std: "docker" "start" "-a" "ef69026426484128b8076a1bfb7064520ddb144aa097243b7b39fe2469562d9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef69026426484128b8076a1bfb7064520ddb144aa097243b7b39fe2469562d9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef69026426484128b8076a1bfb7064520ddb144aa097243b7b39fe2469562d9f", kill_on_drop: false }`
[INFO] [stdout] ef69026426484128b8076a1bfb7064520ddb144aa097243b7b39fe2469562d9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+23718020b12d7e5a54f82a19910e8356ee719667" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ad76a875f8ba6734de861474829dcfb236d00147b185f0d759466902400dab1
[INFO] running `Command { std: "docker" "start" "-a" "1ad76a875f8ba6734de861474829dcfb236d00147b185f0d759466902400dab1", kill_on_drop: false }`
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[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]    Compiling rustversion v1.0.7
[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 cfg-if v1.0.0
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[INFO] [stderr]     Checking zeroize v1.5.7
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[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
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[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/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: 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<dyn Expr>,
[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: 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<dyn Expr>,
[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: 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 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: 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 7.66s
[INFO] running `Command { std: "docker" "inspect" "1ad76a875f8ba6734de861474829dcfb236d00147b185f0d759466902400dab1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ad76a875f8ba6734de861474829dcfb236d00147b185f0d759466902400dab1", kill_on_drop: false }`
[INFO] [stdout] 1ad76a875f8ba6734de861474829dcfb236d00147b185f0d759466902400dab1