[INFO] cloning repository https://github.com/zeta-lang/zeta
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zeta-lang/zeta" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzeta-lang%2Fzeta", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzeta-lang%2Fzeta'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 239d4aa95b19cc51950be28326efcaf7d0e9344b
[INFO] fixing zeta-lang/zeta against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzeta-lang%2Fzeta" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/zeta-lang/zeta
[INFO] finished tweaking git repo https://github.com/zeta-lang/zeta
[INFO] tweaked toml for git repo https://github.com/zeta-lang/zeta written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/zeta-lang/zeta on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/zeta-lang/zeta 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 181463ad881df3e928f1b13fe47f8fc20bb74e3a6f644467bc40a81bc6c01d64
[INFO] running `Command { std: "docker" "start" "181463ad881df3e928f1b13fe47f8fc20bb74e3a6f644467bc40a81bc6c01d64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "181463ad881df3e928f1b13fe47f8fc20bb74e3a6f644467bc40a81bc6c01d64" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "181463ad881df3e928f1b13fe47f8fc20bb74e3a6f644467bc40a81bc6c01d64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "181463ad881df3e928f1b13fe47f8fc20bb74e3a6f644467bc40a81bc6c01d64" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
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[INFO] [stderr]    Compiling cranelift-codegen-meta v0.102.1
[INFO] [stderr]     Checking untitled v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `task`
[INFO] [stdout]   --> virtual_machine/src/vm.rs:27:32
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn run_function(&self, task: event_loop::Task) {
[INFO] [stdout]    |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_task`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `OpCode` is never used
[INFO] [stdout]  --> virtual_machine/src/vm.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum OpCode {
[INFO] [stdout]   |          ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `VirtualMachine` is never constructed
[INFO] [stdout]  --> virtual_machine/src/vm.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct VirtualMachine {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `run_function` are never used
[INFO] [stdout]   --> virtual_machine/src/vm.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl VirtualMachine {
[INFO] [stdout]    | ------------------- associated items in this implementation
[INFO] [stdout] 17 |     pub fn new(bytecode: Vec<OpCode>) -> VirtualMachine {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn run_function(&self, task: event_loop::Task) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Profiler` is never constructed
[INFO] [stdout]   --> virtual_machine/src/vm.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct Profiler {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BumpStack` is never constructed
[INFO] [stdout]  --> virtual_machine/src/bump.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct BumpStack {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `push_frame`, `pop_frame`, `allocate`, and `reset` are never used
[INFO] [stdout]   --> virtual_machine/src/bump.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl BumpStack {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 12 |     pub fn new(size: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn push_frame(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn pop_frame(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn allocate<T>(&mut self) -> Option<&'static mut T> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn reset(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EventLoop` is never constructed
[INFO] [stdout]  --> virtual_machine/src/event_loop.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct EventLoop {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `schedule`, and `run` are never used
[INFO] [stdout]   --> virtual_machine/src/event_loop.rs:9:12
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl EventLoop {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout]  9 |     pub fn new(virtual_machine: vm::VirtualMachine) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn schedule(&mut self, task: Task) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn run(&mut self) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Task` is never constructed
[INFO] [stdout]   --> virtual_machine/src/event_loop.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Task {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ExecutionContext` is never used
[INFO] [stdout]  --> virtual_machine/src/context.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub(crate) enum ExecutionContext {
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StackFrame` is never constructed
[INFO] [stdout]  --> virtual_machine/src/stack.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct StackFrame {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CallFrame` is never constructed
[INFO] [stdout]  --> virtual_machine/src/stack.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct CallFrame {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Value` is never used
[INFO] [stdout]   --> virtual_machine/src/stack.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub enum Value {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `task`
[INFO] [stdout]   --> virtual_machine/src/vm.rs:27:32
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn run_function(&self, task: event_loop::Task) {
[INFO] [stdout]    |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_task`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `OpCode` is never used
[INFO] [stdout]  --> virtual_machine/src/vm.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum OpCode {
[INFO] [stdout]   |          ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `VirtualMachine` is never constructed
[INFO] [stdout]  --> virtual_machine/src/vm.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct VirtualMachine {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `run_function` are never used
[INFO] [stdout]   --> virtual_machine/src/vm.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl VirtualMachine {
[INFO] [stdout]    | ------------------- associated items in this implementation
[INFO] [stdout] 17 |     pub fn new(bytecode: Vec<OpCode>) -> VirtualMachine {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn run_function(&self, task: event_loop::Task) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Profiler` is never constructed
[INFO] [stdout]   --> virtual_machine/src/vm.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct Profiler {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BumpStack` is never constructed
[INFO] [stdout]  --> virtual_machine/src/bump.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct BumpStack {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `push_frame`, `pop_frame`, `allocate`, and `reset` are never used
[INFO] [stdout]   --> virtual_machine/src/bump.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl BumpStack {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 12 |     pub fn new(size: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn push_frame(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn pop_frame(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn allocate<T>(&mut self) -> Option<&'static mut T> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn reset(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EventLoop` is never constructed
[INFO] [stdout]  --> virtual_machine/src/event_loop.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct EventLoop {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `schedule`, and `run` are never used
[INFO] [stdout]   --> virtual_machine/src/event_loop.rs:9:12
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl EventLoop {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout]  9 |     pub fn new(virtual_machine: vm::VirtualMachine) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn schedule(&mut self, task: Task) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn run(&mut self) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Task` is never constructed
[INFO] [stdout]   --> virtual_machine/src/event_loop.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Task {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ExecutionContext` is never used
[INFO] [stdout]  --> virtual_machine/src/context.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub(crate) enum ExecutionContext {
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StackFrame` is never constructed
[INFO] [stdout]  --> virtual_machine/src/stack.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct StackFrame {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CallFrame` is never constructed
[INFO] [stdout]  --> virtual_machine/src/stack.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct CallFrame {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Value` is never used
[INFO] [stdout]   --> virtual_machine/src/stack.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub enum Value {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking cranelift-bforest v0.102.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]     Checking indexmap v2.9.0
[INFO] [stderr]     Checking cranelift-control v0.102.1
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking region v2.2.0
[INFO] [stderr]     Checking wasmtime-jit-icache-coherence v15.0.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling cranelift-codegen v0.102.1
[INFO] [stderr]     Checking ahash v0.8.12
[INFO] [stderr]     Checking hashbrown v0.13.2
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]     Checking pest v2.8.0
[INFO] [stderr]     Checking regalloc2 v0.9.3
[INFO] [stderr]    Compiling pest_meta v2.8.0
[INFO] [stderr]    Compiling pest_generator v2.8.0
[INFO] [stderr]    Compiling pest_derive v2.8.0
[INFO] [stderr]     Checking cranelift-native v0.102.1
[INFO] [stderr]     Checking cranelift-frontend v0.102.1
[INFO] [stderr]     Checking cranelift-module v0.102.1
[INFO] [stderr]     Checking cranelift-jit v0.102.1
[INFO] [stderr]     Checking cranelift v0.102.1
[INFO] [stderr]     Checking zeta_compiler v0.1.0 (/opt/rustwide/workdir/zeta_compiler)
[INFO] [stdout] warning: unused import: `pest::pratt_parser::PrattParser`
[INFO] [stdout]  --> zeta_compiler/src/parser.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use pest::pratt_parser::PrattParser;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::ast::ElseBranch::If`
[INFO] [stdout]  --> zeta_compiler/src/parser.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::ast::ElseBranch::If;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::tokens::TokenType::Else`
[INFO] [stdout]   --> zeta_compiler/src/parser.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::tokens::TokenType::Else;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pest::pratt_parser::PrattParser`
[INFO] [stdout]  --> zeta_compiler/src/parser.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use pest::pratt_parser::PrattParser;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::ast::ElseBranch::If`
[INFO] [stdout]  --> zeta_compiler/src/parser.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::ast::ElseBranch::If;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::tokens::TokenType::Else`
[INFO] [stdout]   --> zeta_compiler/src/parser.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::tokens::TokenType::Else;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> zeta_compiler/src/parser.rs:87:19
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let_stmt: initializer,
[INFO] [stdout]    |                   ^^^^^^^^^^^ expected `Option<LetStmt>`, found `LetStmt`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Option<ast::LetStmt>`
[INFO] [stdout]             found struct `ast::LetStmt`
[INFO] [stdout] help: try wrapping the expression in `Some`
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let_stmt: Some(initializer),
[INFO] [stdout]    |                   +++++           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> zeta_compiler/src/parser.rs:88:20
[INFO] [stdout]    |
[INFO] [stdout] 88 |         condition: Box::new(condition),
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^ expected `Option<Box<Expr>>`, found `Box<Expr>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Option<Box<_>>`
[INFO] [stdout]             found struct `Box<_>`
[INFO] [stdout] help: try wrapping the expression in `Some`
[INFO] [stdout]    |
[INFO] [stdout] 88 |         condition: Some(Box::new(condition)),
[INFO] [stdout]    |                    +++++                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> zeta_compiler/src/parser.rs:89:20
[INFO] [stdout]    |
[INFO] [stdout] 89 |         increment: Box::new(increment),
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^ expected `Option<Box<Expr>>`, found `Box<Expr>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Option<Box<_>>`
[INFO] [stdout]             found struct `Box<_>`
[INFO] [stdout] help: try wrapping the expression in `Some`
[INFO] [stdout]    |
[INFO] [stdout] 89 |         increment: Some(Box::new(increment)),
[INFO] [stdout]    |                    +++++                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> zeta_compiler/src/parser.rs:371:21
[INFO] [stdout]     |
[INFO] [stdout] 371 |                     op,
[INFO] [stdout]     |                     ^^ expected `Op`, found `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> zeta_compiler/src/parser.rs:87:19
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let_stmt: initializer,
[INFO] [stdout]    |                   ^^^^^^^^^^^ expected `Option<LetStmt>`, found `LetStmt`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Option<ast::LetStmt>`
[INFO] [stdout]             found struct `ast::LetStmt`
[INFO] [stdout] help: try wrapping the expression in `Some`
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let_stmt: Some(initializer),
[INFO] [stdout]    |                   +++++           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> zeta_compiler/src/parser.rs:88:20
[INFO] [stdout]    |
[INFO] [stdout] 88 |         condition: Box::new(condition),
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^ expected `Option<Box<Expr>>`, found `Box<Expr>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Option<Box<_>>`
[INFO] [stdout]             found struct `Box<_>`
[INFO] [stdout] help: try wrapping the expression in `Some`
[INFO] [stdout]    |
[INFO] [stdout] 88 |         condition: Some(Box::new(condition)),
[INFO] [stdout]    |                    +++++                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> zeta_compiler/src/parser.rs:89:20
[INFO] [stdout]    |
[INFO] [stdout] 89 |         increment: Box::new(increment),
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^ expected `Option<Box<Expr>>`, found `Box<Expr>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Option<Box<_>>`
[INFO] [stdout]             found struct `Box<_>`
[INFO] [stdout] help: try wrapping the expression in `Some`
[INFO] [stdout]    |
[INFO] [stdout] 89 |         increment: Some(Box::new(increment)),
[INFO] [stdout]    |                    +++++                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> zeta_compiler/src/parser.rs:371:21
[INFO] [stdout]     |
[INFO] [stdout] 371 |                     op,
[INFO] [stdout]     |                     ^^ expected `Op`, found `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> zeta_compiler/src/parser.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut stmts: Vec<Stmt> = Vec::new();
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stmts`
[INFO] [stdout]   --> zeta_compiler/src/parser.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut stmts: Vec<Stmt> = Vec::new();
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stmts`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `param_list`
[INFO] [stdout]    --> zeta_compiler/src/parser.rs:182:17
[INFO] [stdout]     |
[INFO] [stdout] 182 |     if let Some(param_list) = inner.peek().filter(|p| p.as_rule() == Rule::param_list) {
[INFO] [stdout]     |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_param_list`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zeta_compiler` (bin "zeta_compiler" test) due to 4 previous errors; 6 warnings emitted
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> zeta_compiler/src/parser.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut stmts: Vec<Stmt> = Vec::new();
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `stmts`
[INFO] [stdout]   --> zeta_compiler/src/parser.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut stmts: Vec<Stmt> = Vec::new();
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stmts`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `param_list`
[INFO] [stdout]    --> zeta_compiler/src/parser.rs:182:17
[INFO] [stdout]     |
[INFO] [stdout] 182 |     if let Some(param_list) = inner.peek().filter(|p| p.as_rule() == Rule::param_list) {
[INFO] [stdout]     |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_param_list`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zeta_compiler` (bin "zeta_compiler") due to 4 previous errors; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "181463ad881df3e928f1b13fe47f8fc20bb74e3a6f644467bc40a81bc6c01d64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "181463ad881df3e928f1b13fe47f8fc20bb74e3a6f644467bc40a81bc6c01d64", kill_on_drop: false }`
[INFO] [stdout] 181463ad881df3e928f1b13fe47f8fc20bb74e3a6f644467bc40a81bc6c01d64
