[INFO] updating cached repository alex34567/scheme-oxide
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/alex34567/scheme-oxide
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/alex34567/scheme-oxide" "work/ex/clippy-test-run/sources/stable/gh/alex34567/scheme-oxide"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/alex34567/scheme-oxide'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/alex34567/scheme-oxide" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/alex34567/scheme-oxide"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/alex34567/scheme-oxide'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f8564eed0da815a60c033d26d88b988e4c172cf6
[INFO] sha for GitHub repo alex34567/scheme-oxide: f8564eed0da815a60c033d26d88b988e4c172cf6
[INFO] validating manifest of alex34567/scheme-oxide on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of alex34567/scheme-oxide on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing alex34567/scheme-oxide
[INFO] finished frobbing alex34567/scheme-oxide
[INFO] frobbed toml for alex34567/scheme-oxide written to work/ex/clippy-test-run/sources/stable/gh/alex34567/scheme-oxide/Cargo.toml
[INFO] started frobbing alex34567/scheme-oxide
[INFO] finished frobbing alex34567/scheme-oxide
[INFO] frobbed toml for alex34567/scheme-oxide written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/alex34567/scheme-oxide/Cargo.toml
[INFO] crate alex34567/scheme-oxide has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting alex34567/scheme-oxide against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/alex34567/scheme-oxide:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ea714868fceae944a9754b15573c778061947a49cf429f7553c8440d640ddfee
[INFO] running `"docker" "start" "-a" "ea714868fceae944a9754b15573c778061947a49cf429f7553c8440d640ddfee"`
[INFO] [stderr]     Checking scheme-oxide v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `program`
[INFO] [stderr]   --> src/main.rs:53:13
[INFO] [stderr]    |
[INFO] [stderr] 53 |         let program = if let Ok(types::SchemeType::Pair(prog)) = object {
[INFO] [stderr]    |             ^^^^^^^ help: consider using `_program` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_car`
[INFO] [stderr]   --> src/types/pair.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn get_car(&self) -> SchemeType {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_cdr`
[INFO] [stderr]   --> src/types/pair.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     pub fn get_cdr(&self) -> SchemeType {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_car`
[INFO] [stderr]   --> src/types/pair.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     pub fn set_car(&self, car: SchemeType) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_cdr`
[INFO] [stderr]   --> src/types/pair.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 |     pub fn get_cdr(&self) -> Option<SchemeType> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Circular`
[INFO] [stderr]   --> src/types/pair.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 |     Circular,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Function`
[INFO] [stderr]   --> src/types/mod.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     Function(FunctionRef),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `RuntimeError`
[INFO] [stderr]   --> src/interperter/mod.rs:26:1
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub enum RuntimeError {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `StackFrame`
[INFO] [stderr]   --> src/interperter/mod.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | struct StackFrame {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Stack`
[INFO] [stderr]   --> src/interperter/mod.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub struct Stack(Vec<StackFrame>);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `ret`
[INFO] [stderr]   --> src/interperter/mod.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn ret(&mut self, value: SchemeType) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Derived`
[INFO] [stderr]   --> src/interperter/mod.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     Derived(DerivedFunctionRef),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Builtin`
[INFO] [stderr]   --> src/interperter/mod.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     Builtin(BuiltinFunction),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Add`
[INFO] [stderr]   --> src/interperter/mod.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     Add,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `call`
[INFO] [stderr]   --> src/interperter/mod.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     fn call(self, stack: &mut Stack, mut args: Vec<SchemeType>) -> Result<(), RuntimeError> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `IdentifierNotFound`
[INFO] [stderr]   --> src/interperter/mod.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 |     IdentifierNotFound,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SyntaxError`
[INFO] [stderr]   --> src/interperter/mod.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 |     SyntaxError,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Runtime`
[INFO] [stderr]   --> src/interperter/mod.rs:99:5
[INFO] [stderr]    |
[INFO] [stderr] 99 |     Runtime(u32),
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Macro`
[INFO] [stderr]    --> src/interperter/mod.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 |     Macro(SchemeMacro),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/interperter/mod.rs:110:5
[INFO] [stderr]     |
[INFO] [stderr] 110 |     fn new() -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `len`
[INFO] [stderr]    --> src/interperter/mod.rs:117:5
[INFO] [stderr]     |
[INFO] [stderr] 117 |     fn len(&self) -> u32 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_object`
[INFO] [stderr]    --> src/interperter/mod.rs:121:5
[INFO] [stderr]     |
[INFO] [stderr] 121 |     fn new_object(&mut self, name: &str) -> u32 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `push_macro`
[INFO] [stderr]    --> src/interperter/mod.rs:129:5
[INFO] [stderr]     |
[INFO] [stderr] 129 |     fn push_macro(&mut self, name: &str, s_macro: SchemeMacro) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `lookup`
[INFO] [stderr]    --> src/interperter/mod.rs:133:5
[INFO] [stderr]     |
[INFO] [stderr] 133 |     fn lookup(&self, name: &str) -> Option<CompilerType> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `BaseEnvironment`
[INFO] [stderr]    --> src/interperter/mod.rs:138:1
[INFO] [stderr]     |
[INFO] [stderr] 138 | struct BaseEnvironment {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/interperter/mod.rs:144:5
[INFO] [stderr]     |
[INFO] [stderr] 144 |     fn new() -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `push_object`
[INFO] [stderr]    --> src/interperter/mod.rs:151:5
[INFO] [stderr]     |
[INFO] [stderr] 151 |     fn push_object(&mut self, name: &str, object: SchemeType) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `push_builtin_function`
[INFO] [stderr]    --> src/interperter/mod.rs:156:5
[INFO] [stderr]     |
[INFO] [stderr] 156 |     fn push_builtin_function(&mut self, name: &str, function: BuiltinFunction) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gen_scheme_environment`
[INFO] [stderr]    --> src/interperter/mod.rs:164:1
[INFO] [stderr]     |
[INFO] [stderr] 164 | fn gen_scheme_environment() -> BaseEnvironment {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gen_main_environment`
[INFO] [stderr]    --> src/interperter/mod.rs:171:1
[INFO] [stderr]     |
[INFO] [stderr] 171 | fn gen_main_environment() -> BaseEnvironment {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `PartialFunction`
[INFO] [stderr]    --> src/interperter/mod.rs:190:1
[INFO] [stderr]     |
[INFO] [stderr] 190 | struct PartialFunction {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `CompilerAction`
[INFO] [stderr]    --> src/interperter/mod.rs:196:1
[INFO] [stderr]     |
[INFO] [stderr] 196 | enum CompilerAction {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `traverse_macro`
[INFO] [stderr]    --> src/interperter/mod.rs:204:5
[INFO] [stderr]     |
[INFO] [stderr] 204 |     fn traverse_macro(&mut self, name: &str) -> Result<Option<SchemeMacro>, CompilerError> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `lookup`
[INFO] [stderr]    --> src/interperter/mod.rs:223:5
[INFO] [stderr]     |
[INFO] [stderr] 223 |     fn lookup(&mut self, name: &str) -> Result<CompilerType, CompilerError> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `compile`
[INFO] [stderr]    --> src/interperter/mod.rs:262:5
[INFO] [stderr]     |
[INFO] [stderr] 262 | /     fn compile(
[INFO] [stderr] 263 | |         base_environment: EnvironmentFrame,
[INFO] [stderr] 264 | |         code: SchemePair,
[INFO] [stderr] 265 | |     ) -> Result<Self, CompilerError> {
[INFO] [stderr] ...   |
[INFO] [stderr] 367 | |         unreachable!()
[INFO] [stderr] 368 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Get`
[INFO] [stderr]    --> src/interperter/mod.rs:379:5
[INFO] [stderr]     |
[INFO] [stderr] 379 |     Get,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Literal`
[INFO] [stderr]    --> src/interperter/mod.rs:380:5
[INFO] [stderr]     |
[INFO] [stderr] 380 |     Literal,
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Call`
[INFO] [stderr]    --> src/interperter/mod.rs:381:5
[INFO] [stderr]     |
[INFO] [stderr] 381 |     Call,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `program`
[INFO] [stderr]   --> src/main.rs:53:13
[INFO] [stderr]    |
[INFO] [stderr] 53 |         let program = if let Ok(types::SchemeType::Pair(prog)) = object {
[INFO] [stderr]    |             ^^^^^^^ help: consider using `_program` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_car`
[INFO] [stderr]   --> src/types/pair.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn get_car(&self) -> SchemeType {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_cdr`
[INFO] [stderr]   --> src/types/pair.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     pub fn get_cdr(&self) -> SchemeType {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_car`
[INFO] [stderr]   --> src/types/pair.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     pub fn set_car(&self, car: SchemeType) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_cdr`
[INFO] [stderr]   --> src/types/pair.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 |     pub fn get_cdr(&self) -> Option<SchemeType> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Circular`
[INFO] [stderr]   --> src/types/pair.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 |     Circular,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Function`
[INFO] [stderr]   --> src/types/mod.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     Function(FunctionRef),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `RuntimeError`
[INFO] [stderr]   --> src/interperter/mod.rs:26:1
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub enum RuntimeError {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `StackFrame`
[INFO] [stderr]   --> src/interperter/mod.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | struct StackFrame {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Stack`
[INFO] [stderr]   --> src/interperter/mod.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub struct Stack(Vec<StackFrame>);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `ret`
[INFO] [stderr]   --> src/interperter/mod.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn ret(&mut self, value: SchemeType) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Derived`
[INFO] [stderr]   --> src/interperter/mod.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     Derived(DerivedFunctionRef),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Builtin`
[INFO] [stderr]   --> src/interperter/mod.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     Builtin(BuiltinFunction),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Add`
[INFO] [stderr]   --> src/interperter/mod.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     Add,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `call`
[INFO] [stderr]   --> src/interperter/mod.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     fn call(self, stack: &mut Stack, mut args: Vec<SchemeType>) -> Result<(), RuntimeError> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `IdentifierNotFound`
[INFO] [stderr]   --> src/interperter/mod.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 |     IdentifierNotFound,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SyntaxError`
[INFO] [stderr]   --> src/interperter/mod.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 |     SyntaxError,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Runtime`
[INFO] [stderr]   --> src/interperter/mod.rs:99:5
[INFO] [stderr]    |
[INFO] [stderr] 99 |     Runtime(u32),
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Macro`
[INFO] [stderr]    --> src/interperter/mod.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 |     Macro(SchemeMacro),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/interperter/mod.rs:110:5
[INFO] [stderr]     |
[INFO] [stderr] 110 |     fn new() -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `len`
[INFO] [stderr]    --> src/interperter/mod.rs:117:5
[INFO] [stderr]     |
[INFO] [stderr] 117 |     fn len(&self) -> u32 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_object`
[INFO] [stderr]    --> src/interperter/mod.rs:121:5
[INFO] [stderr]     |
[INFO] [stderr] 121 |     fn new_object(&mut self, name: &str) -> u32 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `push_macro`
[INFO] [stderr]    --> src/interperter/mod.rs:129:5
[INFO] [stderr]     |
[INFO] [stderr] 129 |     fn push_macro(&mut self, name: &str, s_macro: SchemeMacro) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `lookup`
[INFO] [stderr]    --> src/interperter/mod.rs:133:5
[INFO] [stderr]     |
[INFO] [stderr] 133 |     fn lookup(&self, name: &str) -> Option<CompilerType> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `BaseEnvironment`
[INFO] [stderr]    --> src/interperter/mod.rs:138:1
[INFO] [stderr]     |
[INFO] [stderr] 138 | struct BaseEnvironment {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/interperter/mod.rs:144:5
[INFO] [stderr]     |
[INFO] [stderr] 144 |     fn new() -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `push_object`
[INFO] [stderr]    --> src/interperter/mod.rs:151:5
[INFO] [stderr]     |
[INFO] [stderr] 151 |     fn push_object(&mut self, name: &str, object: SchemeType) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `push_builtin_function`
[INFO] [stderr]    --> src/interperter/mod.rs:156:5
[INFO] [stderr]     |
[INFO] [stderr] 156 |     fn push_builtin_function(&mut self, name: &str, function: BuiltinFunction) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gen_scheme_environment`
[INFO] [stderr]    --> src/interperter/mod.rs:164:1
[INFO] [stderr]     |
[INFO] [stderr] 164 | fn gen_scheme_environment() -> BaseEnvironment {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gen_main_environment`
[INFO] [stderr]    --> src/interperter/mod.rs:171:1
[INFO] [stderr]     |
[INFO] [stderr] 171 | fn gen_main_environment() -> BaseEnvironment {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `PartialFunction`
[INFO] [stderr]    --> src/interperter/mod.rs:190:1
[INFO] [stderr]     |
[INFO] [stderr] 190 | struct PartialFunction {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `CompilerAction`
[INFO] [stderr]    --> src/interperter/mod.rs:196:1
[INFO] [stderr]     |
[INFO] [stderr] 196 | enum CompilerAction {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `traverse_macro`
[INFO] [stderr]    --> src/interperter/mod.rs:204:5
[INFO] [stderr]     |
[INFO] [stderr] 204 |     fn traverse_macro(&mut self, name: &str) -> Result<Option<SchemeMacro>, CompilerError> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `lookup`
[INFO] [stderr]    --> src/interperter/mod.rs:223:5
[INFO] [stderr]     |
[INFO] [stderr] 223 |     fn lookup(&mut self, name: &str) -> Result<CompilerType, CompilerError> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `compile`
[INFO] [stderr]    --> src/interperter/mod.rs:262:5
[INFO] [stderr]     |
[INFO] [stderr] 262 | /     fn compile(
[INFO] [stderr] 263 | |         base_environment: EnvironmentFrame,
[INFO] [stderr] 264 | |         code: SchemePair,
[INFO] [stderr] 265 | |     ) -> Result<Self, CompilerError> {
[INFO] [stderr] ...   |
[INFO] [stderr] 367 | |         unreachable!()
[INFO] [stderr] 368 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Get`
[INFO] [stderr]    --> src/interperter/mod.rs:379:5
[INFO] [stderr]     |
[INFO] [stderr] 379 |     Get,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Literal`
[INFO] [stderr]    --> src/interperter/mod.rs:380:5
[INFO] [stderr]     |
[INFO] [stderr] 380 |     Literal,
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Call`
[INFO] [stderr]    --> src/interperter/mod.rs:381:5
[INFO] [stderr]     |
[INFO] [stderr] 381 |     Call,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.17s
[INFO] running `"docker" "inspect" "ea714868fceae944a9754b15573c778061947a49cf429f7553c8440d640ddfee"`
[INFO] running `"docker" "rm" "-f" "ea714868fceae944a9754b15573c778061947a49cf429f7553c8440d640ddfee"`
[INFO] [stdout] ea714868fceae944a9754b15573c778061947a49cf429f7553c8440d640ddfee