[INFO] cloning repository https://github.com/mazuschlag/tlox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mazuschlag/tlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmazuschlag%2Ftlox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmazuschlag%2Ftlox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6f614ce8c11a35ad00d22898f017a9621474c27f
[INFO] checking mazuschlag/tlox against master#4fb54ed484e2239a3e9eff3be17df00d2a162be3 for pr-73345
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmazuschlag%2Ftlox" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mazuschlag/tlox on toolchain 4fb54ed484e2239a3e9eff3be17df00d2a162be3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mazuschlag/tlox
[INFO] finished tweaking git repo https://github.com/mazuschlag/tlox
[INFO] tweaked toml for git repo https://github.com/mazuschlag/tlox written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/mazuschlag/tlox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 622be53ae1f59e9a2f045ae24233ab501339b15325d174f0fb5e1a45e82b4a06
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "622be53ae1f59e9a2f045ae24233ab501339b15325d174f0fb5e1a45e82b4a06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "622be53ae1f59e9a2f045ae24233ab501339b15325d174f0fb5e1a45e82b4a06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "622be53ae1f59e9a2f045ae24233ab501339b15325d174f0fb5e1a45e82b4a06", kill_on_drop: false }`
[INFO] [stdout] 622be53ae1f59e9a2f045ae24233ab501339b15325d174f0fb5e1a45e82b4a06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 437db269c905b94a069804893cc20e029470a559e75780b1e9f5229a424e76cd
[INFO] running `Command { std: "docker" "start" "-a" "437db269c905b94a069804893cc20e029470a559e75780b1e9f5229a424e76cd", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking tlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `Resolver`
[INFO] [stdout]  --> src/parser/resolver.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Resolver {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `ResolverError`
[INFO] [stdout]   --> src/parser/resolver.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | type ResolverError = Result<(), String>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/parser/resolver.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn new(&self, interpreter: Interpreter) -> Resolver {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `visit_block_stmt`
[INFO] [stdout]   --> src/parser/resolver.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn visit_block_stmt(&mut self, statements: &Declarations) -> ResolverError {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `resolve`
[INFO] [stdout]   --> src/parser/resolver.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn resolve(&mut self, statements: &Declarations) -> ResolverError {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `visit_var_stmt`
[INFO] [stdout]   --> src/parser/resolver.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn visit_var_stmt(&mut self, name: &Token, initializer: &Expr) -> ResolverError {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `visit_expr`
[INFO] [stdout]   --> src/parser/resolver.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn visit_expr(&mut self, expr: &Expr) -> ResolverError {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `visit_variable_expr`
[INFO] [stdout]   --> src/parser/resolver.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn visit_variable_expr(&mut self, name: &Token) -> ResolverError {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `declare`
[INFO] [stdout]   --> src/parser/resolver.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn declare(&mut self, name: &Token) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `define`
[INFO] [stdout]   --> src/parser/resolver.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn define(&mut self, name: &Token) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `begin_scope`
[INFO] [stdout]   --> src/parser/resolver.rs:81:8
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn begin_scope(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `end_scope`
[INFO] [stdout]   --> src/parser/resolver.rs:85:8
[INFO] [stdout]    |
[INFO] [stdout] 85 |     fn end_scope(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `resolve_local`
[INFO] [stdout]   --> src/parser/resolver.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn resolve_local(&mut self, name: &Token) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Resolver`
[INFO] [stdout]  --> src/parser/resolver.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Resolver {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `ResolverError`
[INFO] [stdout]   --> src/parser/resolver.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | type ResolverError = Result<(), String>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/parser/resolver.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn new(&self, interpreter: Interpreter) -> Resolver {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `visit_block_stmt`
[INFO] [stdout]   --> src/parser/resolver.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn visit_block_stmt(&mut self, statements: &Declarations) -> ResolverError {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `resolve`
[INFO] [stdout]   --> src/parser/resolver.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn resolve(&mut self, statements: &Declarations) -> ResolverError {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `visit_var_stmt`
[INFO] [stdout]   --> src/parser/resolver.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn visit_var_stmt(&mut self, name: &Token, initializer: &Expr) -> ResolverError {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `visit_expr`
[INFO] [stdout]   --> src/parser/resolver.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn visit_expr(&mut self, expr: &Expr) -> ResolverError {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `visit_variable_expr`
[INFO] [stdout]   --> src/parser/resolver.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn visit_variable_expr(&mut self, name: &Token) -> ResolverError {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `declare`
[INFO] [stdout]   --> src/parser/resolver.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn declare(&mut self, name: &Token) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `define`
[INFO] [stdout]   --> src/parser/resolver.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn define(&mut self, name: &Token) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `begin_scope`
[INFO] [stdout]   --> src/parser/resolver.rs:81:8
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn begin_scope(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `end_scope`
[INFO] [stdout]   --> src/parser/resolver.rs:85:8
[INFO] [stdout]    |
[INFO] [stdout] 85 |     fn end_scope(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `resolve_local`
[INFO] [stdout]   --> src/parser/resolver.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn resolve_local(&mut self, name: &Token) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "437db269c905b94a069804893cc20e029470a559e75780b1e9f5229a424e76cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "437db269c905b94a069804893cc20e029470a559e75780b1e9f5229a424e76cd", kill_on_drop: false }`
[INFO] [stdout] 437db269c905b94a069804893cc20e029470a559e75780b1e9f5229a424e76cd