[INFO] cloning repository https://github.com/shayyz-code/poolang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shayyz-code/poolang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshayyz-code%2Fpoolang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshayyz-code%2Fpoolang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a7892e943e9a4c37ad3b8d22997aaaf36ac7cbfd
[INFO] testing shayyz-code/poolang against beta-2024-12-08 for beta-1.84.0-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshayyz-code%2Fpoolang" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shayyz-code/poolang on toolchain beta-2024-12-08
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shayyz-code/poolang
[INFO] finished tweaking git repo https://github.com/shayyz-code/poolang
[INFO] tweaked toml for git repo https://github.com/shayyz-code/poolang written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/shayyz-code/poolang 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" "+beta-2024-12-08" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22ebf0a3d23359949df5e6313f43a81df9b658ef93e3ad3b7f8bee0472f9db58
[INFO] running `Command { std: "docker" "start" "-a" "22ebf0a3d23359949df5e6313f43a81df9b658ef93e3ad3b7f8bee0472f9db58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22ebf0a3d23359949df5e6313f43a81df9b658ef93e3ad3b7f8bee0472f9db58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22ebf0a3d23359949df5e6313f43a81df9b658ef93e3ad3b7f8bee0472f9db58", kill_on_drop: false }`
[INFO] [stdout] 22ebf0a3d23359949df5e6313f43a81df9b658ef93e3ad3b7f8bee0472f9db58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b552637eb23e35f4db948962e5ca4a0d226916dbf0b3ed87a30f44e09e77b886
[INFO] running `Command { std: "docker" "start" "-a" "b552637eb23e35f4db948962e5ca4a0d226916dbf0b3ed87a30f44e09e77b886", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling poolang v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]   --> src/interpreter.rs:84:17
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 body,
[INFO] [stdout]    |                 ^^^^ help: try ignoring the field: `body: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_mutable`
[INFO] [stdout]    --> src/type_inference.rs:113:38
[INFO] [stdout]     |
[INFO] [stdout] 113 |         Stmt::Assignment(name, expr, is_mutable, var_type) => {
[INFO] [stdout]     |                                      ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_mutable`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var_type`
[INFO] [stdout]    --> src/type_inference.rs:113:50
[INFO] [stdout]     |
[INFO] [stdout] 113 |         Stmt::Assignment(name, expr, is_mutable, var_type) => {
[INFO] [stdout]     |                                                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_var_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_mutable`
[INFO] [stdout]   --> src/visitor.rs:67:42
[INFO] [stdout]    |
[INFO] [stdout] 67 |             Stmt::Assignment(name, expr, is_mutable, var_type) => {
[INFO] [stdout]    |                                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_mutable`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var_type`
[INFO] [stdout]   --> src/visitor.rs:67:54
[INFO] [stdout]    |
[INFO] [stdout] 67 |             Stmt::Assignment(name, expr, is_mutable, var_type) => {
[INFO] [stdout]    |                                                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_var_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `inner` is never read
[INFO] [stdout]   --> src/interpreter.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct DebuggableIterator {
[INFO] [stdout]    |            ------------------ field in this struct
[INFO] [stdout] 11 |     inner: Box<dyn Iterator<Item = Value>>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/interpreter.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl DebuggableIterator {
[INFO] [stdout]    | ----------------------- associated function in this implementation
[INFO] [stdout] 15 |     pub fn new(inner: Box<dyn Iterator<Item = Value>>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_index` is never used
[INFO] [stdout]    --> src/interpreter.rs:205:8
[INFO] [stdout]     |
[INFO] [stdout] 44  | impl Value {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 205 |     fn get_index(self, index: Value) -> Value {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_field_or_method` is never used
[INFO] [stdout]   --> src/visitor.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl ScopedSymbolTable {
[INFO] [stdout]    | ---------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn get_field_or_method(&self, object_name: &str, field_or_method: &str) -> Option<Type> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SemanticAnalyzer` is never constructed
[INFO] [stdout]   --> src/visitor.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub struct SemanticAnalyzer {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `analyze`, `analyze_stmt`, and `analyze_expr` are never used
[INFO] [stdout]    --> src/visitor.rs:53:12
[INFO] [stdout]     |
[INFO] [stdout] 52  | impl SemanticAnalyzer {
[INFO] [stdout]     | --------------------- associated items in this implementation
[INFO] [stdout] 53  |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 59  |     pub fn analyze(&mut self, stmts: &[Stmt]) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 65  |     fn analyze_stmt(&mut self, stmt: &Stmt) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     fn analyze_expr(&mut self, expr: &Expr) -> Type {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.05s
[INFO] running `Command { std: "docker" "inspect" "b552637eb23e35f4db948962e5ca4a0d226916dbf0b3ed87a30f44e09e77b886", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b552637eb23e35f4db948962e5ca4a0d226916dbf0b3ed87a30f44e09e77b886", kill_on_drop: false }`
[INFO] [stdout] b552637eb23e35f4db948962e5ca4a0d226916dbf0b3ed87a30f44e09e77b886
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1524fc070bf19c07c2e7ea3ee2bfd63c8c9c5bcafff6e97d0d71c1a5876523d3
[INFO] running `Command { std: "docker" "start" "-a" "1524fc070bf19c07c2e7ea3ee2bfd63c8c9c5bcafff6e97d0d71c1a5876523d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling poolang v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]   --> src/interpreter.rs:84:17
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 body,
[INFO] [stdout]    |                 ^^^^ help: try ignoring the field: `body: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_mutable`
[INFO] [stdout]    --> src/type_inference.rs:113:38
[INFO] [stdout]     |
[INFO] [stdout] 113 |         Stmt::Assignment(name, expr, is_mutable, var_type) => {
[INFO] [stdout]     |                                      ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_mutable`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var_type`
[INFO] [stdout]    --> src/type_inference.rs:113:50
[INFO] [stdout]     |
[INFO] [stdout] 113 |         Stmt::Assignment(name, expr, is_mutable, var_type) => {
[INFO] [stdout]     |                                                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_var_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_mutable`
[INFO] [stdout]   --> src/visitor.rs:67:42
[INFO] [stdout]    |
[INFO] [stdout] 67 |             Stmt::Assignment(name, expr, is_mutable, var_type) => {
[INFO] [stdout]    |                                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_mutable`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var_type`
[INFO] [stdout]   --> src/visitor.rs:67:54
[INFO] [stdout]    |
[INFO] [stdout] 67 |             Stmt::Assignment(name, expr, is_mutable, var_type) => {
[INFO] [stdout]    |                                                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_var_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `inner` is never read
[INFO] [stdout]   --> src/interpreter.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct DebuggableIterator {
[INFO] [stdout]    |            ------------------ field in this struct
[INFO] [stdout] 11 |     inner: Box<dyn Iterator<Item = Value>>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/interpreter.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl DebuggableIterator {
[INFO] [stdout]    | ----------------------- associated function in this implementation
[INFO] [stdout] 15 |     pub fn new(inner: Box<dyn Iterator<Item = Value>>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_index` is never used
[INFO] [stdout]    --> src/interpreter.rs:205:8
[INFO] [stdout]     |
[INFO] [stdout] 44  | impl Value {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 205 |     fn get_index(self, index: Value) -> Value {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_field_or_method` is never used
[INFO] [stdout]   --> src/visitor.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl ScopedSymbolTable {
[INFO] [stdout]    | ---------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn get_field_or_method(&self, object_name: &str, field_or_method: &str) -> Option<Type> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SemanticAnalyzer` is never constructed
[INFO] [stdout]   --> src/visitor.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub struct SemanticAnalyzer {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `analyze`, `analyze_stmt`, and `analyze_expr` are never used
[INFO] [stdout]    --> src/visitor.rs:53:12
[INFO] [stdout]     |
[INFO] [stdout] 52  | impl SemanticAnalyzer {
[INFO] [stdout]     | --------------------- associated items in this implementation
[INFO] [stdout] 53  |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 59  |     pub fn analyze(&mut self, stmts: &[Stmt]) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 65  |     fn analyze_stmt(&mut self, stmt: &Stmt) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     fn analyze_expr(&mut self, expr: &Expr) -> Type {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "1524fc070bf19c07c2e7ea3ee2bfd63c8c9c5bcafff6e97d0d71c1a5876523d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1524fc070bf19c07c2e7ea3ee2bfd63c8c9c5bcafff6e97d0d71c1a5876523d3", kill_on_drop: false }`
[INFO] [stdout] 1524fc070bf19c07c2e7ea3ee2bfd63c8c9c5bcafff6e97d0d71c1a5876523d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f3c0f74caf1e843427ba16221daeb81643d005c2590fa78e35f9d0a3af67615c
[INFO] running `Command { std: "docker" "start" "-a" "f3c0f74caf1e843427ba16221daeb81643d005c2590fa78e35f9d0a3af67615c", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `body`
[INFO] [stderr]   --> src/interpreter.rs:84:17
[INFO] [stderr]    |
[INFO] [stderr] 84 |                 body,
[INFO] [stderr]    |                 ^^^^ help: try ignoring the field: `body: _`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `is_mutable`
[INFO] [stderr]    --> src/type_inference.rs:113:38
[INFO] [stderr]     |
[INFO] [stderr] 113 |         Stmt::Assignment(name, expr, is_mutable, var_type) => {
[INFO] [stderr]     |                                      ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_mutable`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `var_type`
[INFO] [stderr]    --> src/type_inference.rs:113:50
[INFO] [stderr]     |
[INFO] [stderr] 113 |         Stmt::Assignment(name, expr, is_mutable, var_type) => {
[INFO] [stderr]     |                                                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_var_type`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `is_mutable`
[INFO] [stderr]   --> src/visitor.rs:67:42
[INFO] [stderr]    |
[INFO] [stderr] 67 |             Stmt::Assignment(name, expr, is_mutable, var_type) => {
[INFO] [stderr]    |                                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_mutable`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `var_type`
[INFO] [stderr]   --> src/visitor.rs:67:54
[INFO] [stderr]    |
[INFO] [stderr] 67 |             Stmt::Assignment(name, expr, is_mutable, var_type) => {
[INFO] [stderr]    |                                                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_var_type`
[INFO] [stderr] 
[INFO] [stderr] warning: field `inner` is never read
[INFO] [stderr]   --> src/interpreter.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct DebuggableIterator {
[INFO] [stderr]    |            ------------------ field in this struct
[INFO] [stderr] 11 |     inner: Box<dyn Iterator<Item = Value>>,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/interpreter.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 14 | impl DebuggableIterator {
[INFO] [stderr]    | ----------------------- associated function in this implementation
[INFO] [stderr] 15 |     pub fn new(inner: Box<dyn Iterator<Item = Value>>) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `get_index` is never used
[INFO] [stderr]    --> src/interpreter.rs:205:8
[INFO] [stderr]     |
[INFO] [stderr] 44  | impl Value {
[INFO] [stderr]     | ---------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 205 |     fn get_index(self, index: Value) -> Value {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `get_field_or_method` is never used
[INFO] [stderr]   --> src/visitor.rs:40:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | impl ScopedSymbolTable {
[INFO] [stderr]    | ---------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 40 |     pub fn get_field_or_method(&self, object_name: &str, field_or_method: &str) -> Option<Type> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `SemanticAnalyzer` is never constructed
[INFO] [stderr]   --> src/visitor.rs:48:12
[INFO] [stderr]    |
[INFO] [stderr] 48 | pub struct SemanticAnalyzer {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `analyze`, `analyze_stmt`, and `analyze_expr` are never used
[INFO] [stderr]    --> src/visitor.rs:53:12
[INFO] [stderr]     |
[INFO] [stderr] 52  | impl SemanticAnalyzer {
[INFO] [stderr]     | --------------------- associated items in this implementation
[INFO] [stderr] 53  |     pub fn new() -> Self {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 59  |     pub fn analyze(&mut self, stmts: &[Stmt]) {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 65  |     fn analyze_stmt(&mut self, stmt: &Stmt) {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 102 |     fn analyze_expr(&mut self, expr: &Expr) -> Type {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `poolang` (bin "poolang" test) generated 11 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/poolang-086ea4a52c85afe7)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f3c0f74caf1e843427ba16221daeb81643d005c2590fa78e35f9d0a3af67615c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3c0f74caf1e843427ba16221daeb81643d005c2590fa78e35f9d0a3af67615c", kill_on_drop: false }`
[INFO] [stdout] f3c0f74caf1e843427ba16221daeb81643d005c2590fa78e35f9d0a3af67615c