[INFO] cloning repository https://github.com/nowknowing/rust-groupproj-personal
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nowknowing/rust-groupproj-personal" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnowknowing%2Frust-groupproj-personal", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnowknowing%2Frust-groupproj-personal'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5e1aa210bc48067066652155f843ed5ce9981f30
[INFO] checking nowknowing/rust-groupproj-personal against master#82310651b93a594a3fd69015e1562186a080d94c for pr-145770
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnowknowing%2Frust-groupproj-personal" "/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/nowknowing/rust-groupproj-personal
[INFO] finished tweaking git repo https://github.com/nowknowing/rust-groupproj-personal
[INFO] tweaked toml for git repo https://github.com/nowknowing/rust-groupproj-personal written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nowknowing/rust-groupproj-personal on toolchain 82310651b93a594a3fd69015e1562186a080d94c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nowknowing/rust-groupproj-personal 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" "+82310651b93a594a3fd69015e1562186a080d94c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pest_consume_macros v1.1.0
[INFO] [stderr]   Downloaded quote v1.0.15
[INFO] [stderr]   Downloaded pest_consume v1.1.1
[INFO] [stderr]   Downloaded syn v1.0.87
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5db1d6e77aacd956ac6c89eed3f47ea825c61e51ae1c722c445debb971aecd06
[INFO] running `Command { std: "docker" "start" "-a" "5db1d6e77aacd956ac6c89eed3f47ea825c61e51ae1c722c445debb971aecd06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5db1d6e77aacd956ac6c89eed3f47ea825c61e51ae1c722c445debb971aecd06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5db1d6e77aacd956ac6c89eed3f47ea825c61e51ae1c722c445debb971aecd06", kill_on_drop: false }`
[INFO] [stdout] 5db1d6e77aacd956ac6c89eed3f47ea825c61e51ae1c722c445debb971aecd06
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abe1b5599728975ab9fded0b703d42d80f25d951eefb0e5ad1b23d90b6c2bd40
[INFO] running `Command { std: "docker" "start" "-a" "abe1b5599728975ab9fded0b703d42d80f25d951eefb0e5ad1b23d90b6c2bd40", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.87
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pest_consume_macros v1.1.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking pest_consume v1.1.1
[INFO] [stderr]     Checking oxido-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/compiler.rs:386:17
[INFO] [stdout]     |
[INFO] [stdout] 383 |                   let instruction = match operator {
[INFO] [stdout]     |  ___________________________________-
[INFO] [stdout] 384 | |                     VariadicOperator::Println => unimplemented!(),
[INFO] [stdout] 385 | |                 };
[INFO] [stdout]     | |_________________- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 386 | /                 let bytecode = operands
[INFO] [stdout] 387 | |                     .iter()
[INFO] [stdout] 388 | |                     .map(|expr| expr.compile(drop_at, index_table))
[INFO] [stdout] 389 | |                     .fold(Ok(vec![]), accumulate_bytecode)?;
[INFO] [stdout]     | |____________________________________________________________^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/compiler.rs:386:17
[INFO] [stdout]     |
[INFO] [stdout] 383 |                   let instruction = match operator {
[INFO] [stdout]     |  ___________________________________-
[INFO] [stdout] 384 | |                     VariadicOperator::Println => unimplemented!(),
[INFO] [stdout] 385 | |                 };
[INFO] [stdout]     | |_________________- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 386 | /                 let bytecode = operands
[INFO] [stdout] 387 | |                     .iter()
[INFO] [stdout] 388 | |                     .map(|expr| expr.compile(drop_at, index_table))
[INFO] [stdout] 389 | |                     .fold(Ok(vec![]), accumulate_bytecode)?;
[INFO] [stdout]     | |____________________________________________________________^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/static_checker.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut d_f_table : HashMap<&'static str, FunctionStore> = HashMap::new();
[INFO] [stdout]   |         ----^^^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/static_checker.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut scope : LinkedList<DecAndBorrowStack> = LinkedList::new();
[INFO] [stdout]   |         ----^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/static_checker.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut v_table : HashMap<&'static str, VariableProperties> = HashMap::new();
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/static_checker.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut exp_lt : ExpiredLifetimes = ExpiredLifetimes::new();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/static_checker.rs:43:19
[INFO] [stdout]    |
[INFO] [stdout] 43 |     for (fn_name, value) in env.declared_functions_table.iter() {
[INFO] [stdout]    |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/static_checker.rs:48:20
[INFO] [stdout]    |
[INFO] [stdout] 48 |     for (var_name, value) in env.variables_table.iter() {
[INFO] [stdout]    |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `o`
[INFO] [stdout]   --> src/static_checker.rs:57:28
[INFO] [stdout]    |
[INFO] [stdout] 57 |         Some(vars) => {let o = vars.push(String::from(var_name));
[INFO] [stdout]    |                            ^ help: if this is intentional, prefix it with an underscore: `_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `o`
[INFO] [stdout]   --> src/static_checker.rs:59:22
[INFO] [stdout]    |
[INFO] [stdout] 59 |         None => {let o = env.expired_lifetimes.insert(line_no, vec![String::from(var_name)]);
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]   --> src/static_checker.rs:64:26
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn update_scope_with_use(env : &mut Environment, var_name : &str) {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var_name`
[INFO] [stdout]   --> src/static_checker.rs:64:50
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn update_scope_with_use(env : &mut Environment, var_name : &str) {
[INFO] [stdout]    |                                                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_var_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]   --> src/static_checker.rs:68:27
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn update_scope_with_drop(env : &mut Environment, var_name : &str) {
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var_name`
[INFO] [stdout]   --> src/static_checker.rs:68:51
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn update_scope_with_drop(env : &mut Environment, var_name : &str) {
[INFO] [stdout]    |                                                   ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_var_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `type_of_variable`
[INFO] [stdout]   --> src/static_checker.rs:92:13
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let type_of_variable = type_expression(non_optional_value(let_statement_value(stmt)), env);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_type_of_variable`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mutability`
[INFO] [stdout]   --> src/static_checker.rs:94:13
[INFO] [stdout]    |
[INFO] [stdout] 94 |         let mutability = is_mutable_let_statement(stmt);
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mutability`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `function_name`
[INFO] [stdout]   --> src/static_checker.rs:99:13
[INFO] [stdout]    |
[INFO] [stdout] 99 |         let function_name = function_declaration_name(stmt);
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_function_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `params`
[INFO] [stdout]    --> src/static_checker.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |         let params = function_declaration_parameters(stmt);
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_params`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `return_type`
[INFO] [stdout]    --> src/static_checker.rs:104:13
[INFO] [stdout]     |
[INFO] [stdout] 104 |         let return_type = function_declaration_return_type(stmt); // Unit if returns nothing.
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_return_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hs`
[INFO] [stdout]    --> src/static_checker.rs:136:18
[INFO] [stdout]     |
[INFO] [stdout] 136 |         let (dt, hs) = type_and_handle_sequence(&mut seq_copy, env);
[INFO] [stdout]     |                  ^^ help: if this is intentional, prefix it with an underscore: `_hs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]    --> src/static_checker.rs:140:42
[INFO] [stdout]     |
[INFO] [stdout] 140 |             Expr::PrimitiveOperationExpr(op, position) => DataType::Unit, // TODO //op.typecheck(env),
[INFO] [stdout]     |                                          ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `position`
[INFO] [stdout]    --> src/static_checker.rs:140:46
[INFO] [stdout]     |
[INFO] [stdout] 140 |             Expr::PrimitiveOperationExpr(op, position) => DataType::Unit, // TODO //op.typecheck(env),
[INFO] [stdout]     |                                              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_position`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/static_checker.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut d_f_table : HashMap<&'static str, FunctionStore> = HashMap::new();
[INFO] [stdout]   |         ----^^^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/static_checker.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut scope : LinkedList<DecAndBorrowStack> = LinkedList::new();
[INFO] [stdout]   |         ----^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `curr_stmt_type`
[INFO] [stdout]    --> src/static_checker.rs:268:30
[INFO] [stdout]     |
[INFO] [stdout] 268 |                          let curr_stmt_type = type_expression(expr, env);
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_curr_stmt_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/static_checker.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut v_table : HashMap<&'static str, VariableProperties> = HashMap::new();
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `curr_stmt_type`
[INFO] [stdout]    --> src/static_checker.rs:272:29
[INFO] [stdout]     |
[INFO] [stdout] 272 |                         let curr_stmt_type = type_statement(stmt, env);
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_curr_stmt_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/static_checker.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut exp_lt : ExpiredLifetimes = ExpiredLifetimes::new();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `curr_stmt_type`
[INFO] [stdout]    --> src/static_checker.rs:287:31
[INFO] [stdout]     |
[INFO] [stdout] 287 |                     _ => {let curr_stmt_type = type_statement(stmt, env);
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_curr_stmt_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `datatype`
[INFO] [stdout]    --> src/static_checker.rs:292:22
[INFO] [stdout]     |
[INFO] [stdout] 292 |                 let (datatype, has_return) = type_and_handle_sequence(&mut mut_seq, env);
[INFO] [stdout]     |                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_datatype`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/static_checker.rs:43:19
[INFO] [stdout]    |
[INFO] [stdout] 43 |     for (fn_name, value) in env.declared_functions_table.iter() {
[INFO] [stdout]    |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/static_checker.rs:48:20
[INFO] [stdout]    |
[INFO] [stdout] 48 |     for (var_name, value) in env.variables_table.iter() {
[INFO] [stdout]    |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lastIdx`
[INFO] [stdout]    --> src/static_checker.rs:312:9
[INFO] [stdout]     |
[INFO] [stdout] 312 |     let lastIdx = sequence.len() - 1;
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lastIdx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `o`
[INFO] [stdout]   --> src/static_checker.rs:57:28
[INFO] [stdout]    |
[INFO] [stdout] 57 |         Some(vars) => {let o = vars.push(String::from(var_name));
[INFO] [stdout]    |                            ^ help: if this is intentional, prefix it with an underscore: `_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `o`
[INFO] [stdout]   --> src/static_checker.rs:59:22
[INFO] [stdout]    |
[INFO] [stdout] 59 |         None => {let o = env.expired_lifetimes.insert(line_no, vec![String::from(var_name)]);
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]   --> src/static_checker.rs:64:26
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn update_scope_with_use(env : &mut Environment, var_name : &str) {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var_name`
[INFO] [stdout]   --> src/static_checker.rs:64:50
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn update_scope_with_use(env : &mut Environment, var_name : &str) {
[INFO] [stdout]    |                                                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_var_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]   --> src/static_checker.rs:68:27
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn update_scope_with_drop(env : &mut Environment, var_name : &str) {
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var_name`
[INFO] [stdout]   --> src/static_checker.rs:68:51
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn update_scope_with_drop(env : &mut Environment, var_name : &str) {
[INFO] [stdout]    |                                                   ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_var_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `type_of_variable`
[INFO] [stdout]   --> src/static_checker.rs:92:13
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let type_of_variable = type_expression(non_optional_value(let_statement_value(stmt)), env);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_type_of_variable`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mutability`
[INFO] [stdout]   --> src/static_checker.rs:94:13
[INFO] [stdout]    |
[INFO] [stdout] 94 |         let mutability = is_mutable_let_statement(stmt);
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mutability`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `function_name`
[INFO] [stdout]   --> src/static_checker.rs:99:13
[INFO] [stdout]    |
[INFO] [stdout] 99 |         let function_name = function_declaration_name(stmt);
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_function_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `params`
[INFO] [stdout]    --> src/static_checker.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |         let params = function_declaration_parameters(stmt);
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_params`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `return_type`
[INFO] [stdout]    --> src/static_checker.rs:104:13
[INFO] [stdout]     |
[INFO] [stdout] 104 |         let return_type = function_declaration_return_type(stmt); // Unit if returns nothing.
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_return_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hs`
[INFO] [stdout]    --> src/static_checker.rs:136:18
[INFO] [stdout]     |
[INFO] [stdout] 136 |         let (dt, hs) = type_and_handle_sequence(&mut seq_copy, env);
[INFO] [stdout]     |                  ^^ help: if this is intentional, prefix it with an underscore: `_hs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]    --> src/static_checker.rs:140:42
[INFO] [stdout]     |
[INFO] [stdout] 140 |             Expr::PrimitiveOperationExpr(op, position) => DataType::Unit, // TODO //op.typecheck(env),
[INFO] [stdout]     |                                          ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `position`
[INFO] [stdout]    --> src/static_checker.rs:140:46
[INFO] [stdout]     |
[INFO] [stdout] 140 |             Expr::PrimitiveOperationExpr(op, position) => DataType::Unit, // TODO //op.typecheck(env),
[INFO] [stdout]     |                                              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_position`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `curr_stmt_type`
[INFO] [stdout]    --> src/static_checker.rs:268:30
[INFO] [stdout]     |
[INFO] [stdout] 268 |                          let curr_stmt_type = type_expression(expr, env);
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_curr_stmt_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `curr_stmt_type`
[INFO] [stdout]    --> src/static_checker.rs:272:29
[INFO] [stdout]     |
[INFO] [stdout] 272 |                         let curr_stmt_type = type_statement(stmt, env);
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_curr_stmt_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `curr_stmt_type`
[INFO] [stdout]    --> src/static_checker.rs:287:31
[INFO] [stdout]     |
[INFO] [stdout] 287 |                     _ => {let curr_stmt_type = type_statement(stmt, env);
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_curr_stmt_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `datatype`
[INFO] [stdout]    --> src/static_checker.rs:292:22
[INFO] [stdout]     |
[INFO] [stdout] 292 |                 let (datatype, has_return) = type_and_handle_sequence(&mut mut_seq, env);
[INFO] [stdout]     |                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_datatype`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lastIdx`
[INFO] [stdout]    --> src/static_checker.rs:312:9
[INFO] [stdout]     |
[INFO] [stdout] 312 |     let lastIdx = sequence.len() - 1;
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lastIdx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/static_checker.rs:507:13
[INFO] [stdout]     |
[INFO] [stdout] 505 |         Block{statements}
[INFO] [stdout]     |         ----------------- matches any value
[INFO] [stdout] 506 |             => return statements,
[INFO] [stdout] 507 |             _ => panic!("Block expression is not present at call to sequence. {:#?}", block),
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/static_checker.rs:507:13
[INFO] [stdout]     |
[INFO] [stdout] 505 |         Block{statements}
[INFO] [stdout]     |         ----------------- matches any value
[INFO] [stdout] 506 |             => return statements,
[INFO] [stdout] 507 |             _ => panic!("Block expression is not present at call to sequence. {:#?}", block),
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `position`
[INFO] [stdout]   --> src/compiler.rs:95:36
[INFO] [stdout]    |
[INFO] [stdout] 95 |         Expr::IdentifierExpr(name, position) => Ok(name.clone()),
[INFO] [stdout]    |                                    ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_position`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `position`
[INFO] [stdout]   --> src/compiler.rs:95:36
[INFO] [stdout]    |
[INFO] [stdout] 95 |         Expr::IdentifierExpr(name, position) => Ok(name.clone()),
[INFO] [stdout]    |                                    ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_position`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `operands`
[INFO] [stdout]    --> src/compiler.rs:382:63
[INFO] [stdout]     |
[INFO] [stdout] 382 |             PrimitiveOperation::VariadicOperation { operator, operands } => {
[INFO] [stdout]     |                                                               ^^^^^^^^ help: try ignoring the field: `operands: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `instruction`
[INFO] [stdout]    --> src/compiler.rs:383:21
[INFO] [stdout]     |
[INFO] [stdout] 383 |                 let instruction = match operator {
[INFO] [stdout]     |                     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_instruction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `drop_at`
[INFO] [stdout]    --> src/compiler.rs:398:23
[INFO] [stdout]     |
[INFO] [stdout] 398 |     fn compile(&self, drop_at: &ExpiredLifetimes, index_table: &mut IndexTable) -> CompileResult {
[INFO] [stdout]     |                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_drop_at`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `operands`
[INFO] [stdout]    --> src/compiler.rs:382:63
[INFO] [stdout]     |
[INFO] [stdout] 382 |             PrimitiveOperation::VariadicOperation { operator, operands } => {
[INFO] [stdout]     |                                                               ^^^^^^^^ help: try ignoring the field: `operands: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `instruction`
[INFO] [stdout]    --> src/compiler.rs:383:21
[INFO] [stdout]     |
[INFO] [stdout] 383 |                 let instruction = match operator {
[INFO] [stdout]     |                     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_instruction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index_table`
[INFO] [stdout]    --> src/compiler.rs:398:51
[INFO] [stdout]     |
[INFO] [stdout] 398 |     fn compile(&self, drop_at: &ExpiredLifetimes, index_table: &mut IndexTable) -> CompileResult {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_index_table`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `drop_at`
[INFO] [stdout]    --> src/compiler.rs:398:23
[INFO] [stdout]     |
[INFO] [stdout] 398 |     fn compile(&self, drop_at: &ExpiredLifetimes, index_table: &mut IndexTable) -> CompileResult {
[INFO] [stdout]     |                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_drop_at`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index_table`
[INFO] [stdout]    --> src/compiler.rs:398:51
[INFO] [stdout]     |
[INFO] [stdout] 398 |     fn compile(&self, drop_at: &ExpiredLifetimes, index_table: &mut IndexTable) -> CompileResult {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_index_table`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `message` and `position` are never read
[INFO] [stdout]  --> src/compiler/error.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Error {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 8 |     pub message: String,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout] 9 |     pub position: Option<SourceLocation>,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `message` and `position` are never read
[INFO] [stdout]  --> src/compiler/error.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Error {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 8 |     pub message: String,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout] 9 |     pub position: Option<SourceLocation>,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `lastIdx` should have a snake case name
[INFO] [stdout]    --> src/static_checker.rs:312:9
[INFO] [stdout]     |
[INFO] [stdout] 312 |     let lastIdx = sequence.len() - 1;
[INFO] [stdout]     |         ^^^^^^^ help: convert the identifier to snake case: `last_idx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `lastIdx` should have a snake case name
[INFO] [stdout]    --> src/static_checker.rs:312:9
[INFO] [stdout]     |
[INFO] [stdout] 312 |     let lastIdx = sequence.len() - 1;
[INFO] [stdout]     |         ^^^^^^^ help: convert the identifier to snake case: `last_idx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.40s
[INFO] running `Command { std: "docker" "inspect" "abe1b5599728975ab9fded0b703d42d80f25d951eefb0e5ad1b23d90b6c2bd40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abe1b5599728975ab9fded0b703d42d80f25d951eefb0e5ad1b23d90b6c2bd40", kill_on_drop: false }`
[INFO] [stdout] abe1b5599728975ab9fded0b703d42d80f25d951eefb0e5ad1b23d90b6c2bd40
