[INFO] cloning repository https://github.com/noahTherealone/Spectr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/noahTherealone/Spectr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FnoahTherealone%2FSpectr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FnoahTherealone%2FSpectr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2d90659cd8631d3e7548a59c534f5292c7cf4d6d
[INFO] checking noahTherealone/Spectr against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FnoahTherealone%2FSpectr" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/noahTherealone/Spectr
[INFO] finished tweaking git repo https://github.com/noahTherealone/Spectr
[INFO] tweaked toml for git repo https://github.com/noahTherealone/Spectr written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/noahTherealone/Spectr on toolchain 40527f3e444fde1deb361751bdef9b9e11d1b971
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/noahTherealone/Spectr 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" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "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-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 123c209498793c20f7d4c99949513dcba354afdeaf73a50b150429bce911328e
[INFO] running `Command { std: "docker" "start" "123c209498793c20f7d4c99949513dcba354afdeaf73a50b150429bce911328e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "123c209498793c20f7d4c99949513dcba354afdeaf73a50b150429bce911328e", 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" "123c209498793c20f7d4c99949513dcba354afdeaf73a50b150429bce911328e" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "123c209498793c20f7d4c99949513dcba354afdeaf73a50b150429bce911328e", 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=--cap-lints=forbid --cfg crater_hack --force-warn invalid-c-variadic-arguments" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "123c209498793c20f7d4c99949513dcba354afdeaf73a50b150429bce911328e" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking colored v3.1.1
[INFO] [stderr]     Checking strum v0.28.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling strum_macros v0.28.0
[INFO] [stderr]     Checking spectr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::expr::*`
[INFO] [stdout]  --> src/parser.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::expr::*;
[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::expr::*`
[INFO] [stdout]  --> src/parser.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::expr::*;
[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: `super::expr_parsing`
[INFO] [stdout]  --> src/parser/stmt_parsing.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::expr_parsing;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::expr_parsing`
[INFO] [stdout]  --> src/parser/stmt_parsing.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::expr_parsing;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Token`
[INFO] [stdout]  --> src/parser/stmt_parsing.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::lexer::{Token, TokenType};
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Token`
[INFO] [stdout]  --> src/parser/stmt_parsing.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::lexer::{Token, TokenType};
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::OpenOptions`
[INFO] [stdout]  --> src/parser/expr_parsing.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::OpenOptions;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::OpenOptions`
[INFO] [stdout]  --> src/parser/expr_parsing.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::OpenOptions;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> src/parser.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::usize;
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> src/parser.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::usize;
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SBox` is never constructed
[INFO] [stdout]   --> src/error.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub struct SBox<T> {
[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 `SBox` is never constructed
[INFO] [stdout]   --> src/error.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub struct SBox<T> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/error.rs:88:12
[INFO] [stdout]    |
[INFO] [stdout] 87 | impl<T> SBox<T> {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 88 |     pub fn new(node: T, span: Option<SourceRange>) -> SBox<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/error.rs:88:12
[INFO] [stdout]    |
[INFO] [stdout] 87 | impl<T> SBox<T> {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 88 |     pub fn new(node: T, span: Option<SourceRange>) -> SBox<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `UnintendedError` is never constructed
[INFO] [stdout]   --> src/error.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 97 | pub enum SpectrErrorType {
[INFO] [stdout]    |          --------------- variant in this enum
[INFO] [stdout] 98 |     UnintendedError,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SpectrErrorType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `UnintendedError` is never constructed
[INFO] [stdout]   --> src/error.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 97 | pub enum SpectrErrorType {
[INFO] [stdout]    |          --------------- variant in this enum
[INFO] [stdout] 98 |     UnintendedError,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SpectrErrorType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `TOKEN_TYPE_TO_KEYWORD` is never used
[INFO] [stdout]   --> src/lexer.rs:91:8
[INFO] [stdout]    |
[INFO] [stdout] 91 | static TOKEN_TYPE_TO_KEYWORD: Lazy<HashMap<TokenType, &'static str>> = Lazy::new(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `TOKEN_TYPE_TO_KEYWORD` is never used
[INFO] [stdout]   --> src/lexer.rs:91:8
[INFO] [stdout]    |
[INFO] [stdout] 91 | static TOKEN_TYPE_TO_KEYWORD: Lazy<HashMap<TokenType, &'static str>> = Lazy::new(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `SYMBOL_TO_TOKEN_TYPE` is never used
[INFO] [stdout]    --> src/lexer.rs:124:8
[INFO] [stdout]     |
[INFO] [stdout] 124 | static SYMBOL_TO_TOKEN_TYPE: Lazy<HashMap<&'static str, TokenType>> = Lazy::new(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `SYMBOL_TO_TOKEN_TYPE` is never used
[INFO] [stdout]    --> src/lexer.rs:124:8
[INFO] [stdout]     |
[INFO] [stdout] 124 | static SYMBOL_TO_TOKEN_TYPE: Lazy<HashMap<&'static str, TokenType>> = Lazy::new(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `TOKEN_TYPE_TO_SYMBOL` is never used
[INFO] [stdout]    --> src/lexer.rs:128:8
[INFO] [stdout]     |
[INFO] [stdout] 128 | static TOKEN_TYPE_TO_SYMBOL: Lazy<HashMap<TokenType, &'static str>> = Lazy::new(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `TOKEN_TYPE_TO_SYMBOL` is never used
[INFO] [stdout]    --> src/lexer.rs:128:8
[INFO] [stdout]     |
[INFO] [stdout] 128 | static TOKEN_TYPE_TO_SYMBOL: Lazy<HashMap<TokenType, &'static str>> = Lazy::new(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_keyword` is never used
[INFO] [stdout]    --> src/lexer.rs:140:12
[INFO] [stdout]     |
[INFO] [stdout] 132 | impl TokenType {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 140 |     pub fn to_keyword(&self) -> Option<&'static str> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_keyword` is never used
[INFO] [stdout]    --> src/lexer.rs:140:12
[INFO] [stdout]     |
[INFO] [stdout] 132 | impl TokenType {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 140 |     pub fn to_keyword(&self) -> Option<&'static str> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `ExplicitDecl`, `UnspecifiedDecl`, `InferredDecl`, `ExplicitDefn`, `UnspecifiedDefn`, and `InferredDefn` are never constructed
[INFO] [stdout]   --> src/stmt.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub enum StmtShape {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 10 |     ExplicitDecl(Expr, Expr, Expr), // <name> : <type> = <value>
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 11 |     UnspecifiedDecl(Expr, Expr), // <name> : <type>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 12 |     InferredDecl(Expr, Expr), // <name> := <value>
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 13 |     ExplicitDefn(Expr, Expr, Expr), // <name> :: <kind> = <object>
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 14 |     UnspecifiedDefn(Expr, Expr), // <name> :: <kind>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 15 |     InferredDefn(Expr, Expr), // <name> ::= <object>
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StmtShape` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `ExplicitDecl`, `UnspecifiedDecl`, `InferredDecl`, `ExplicitDefn`, `UnspecifiedDefn`, and `InferredDefn` are never constructed
[INFO] [stdout]   --> src/stmt.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub enum StmtShape {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 10 |     ExplicitDecl(Expr, Expr, Expr), // <name> : <type> = <value>
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 11 |     UnspecifiedDecl(Expr, Expr), // <name> : <type>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 12 |     InferredDecl(Expr, Expr), // <name> := <value>
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 13 |     ExplicitDefn(Expr, Expr, Expr), // <name> :: <kind> = <object>
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 14 |     UnspecifiedDefn(Expr, Expr), // <name> :: <kind>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 15 |     InferredDefn(Expr, Expr), // <name> ::= <object>
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StmtShape` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Equals` is never constructed
[INFO] [stdout]   --> src/expr.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub enum BinaryOp {
[INFO] [stdout]    |          -------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 16 |     Equals,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BinaryOp` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Equals` is never constructed
[INFO] [stdout]   --> src/expr.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub enum BinaryOp {
[INFO] [stdout]    |          -------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 16 |     Equals,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BinaryOp` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/expr.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub enum ExprShape {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] 51 |     ValueKeyword, // may be: a kind, or a value of type kind
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 52 |     TypeKeyword,  // may be: a kind, or a type, or a value of type kind, or a value of type type
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 53 |     KindKeyword,  // may be: a kind, or a type, or a value of type kind, or a value of type type
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     ListExpr(Vec<Expr>),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 63 |     TupleExpr(Vec<Expr>),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 64 |     TypedTupleExpr(Vec<(Expr, Expr)>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 65 |     FunctionCallExpr(Expr, Expr),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 66 |     HigherTupleExpr(Vec<Expr>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 67 |     KindedTupleExpr(Vec<(Expr, Expr)>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 68 |     FunctorCallExpr(Expr, Expr)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ExprShape` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/expr.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub enum ExprShape {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] 51 |     ValueKeyword, // may be: a kind, or a value of type kind
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 52 |     TypeKeyword,  // may be: a kind, or a type, or a value of type kind, or a value of type type
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 53 |     KindKeyword,  // may be: a kind, or a type, or a value of type kind, or a value of type type
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     ListExpr(Vec<Expr>),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 63 |     TupleExpr(Vec<Expr>),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 64 |     TypedTupleExpr(Vec<(Expr, Expr)>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 65 |     FunctionCallExpr(Expr, Expr),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 66 |     HigherTupleExpr(Vec<Expr>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 67 |     KindedTupleExpr(Vec<(Expr, Expr)>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 68 |     FunctorCallExpr(Expr, Expr)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ExprShape` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CompilerValue` is never used
[INFO] [stdout]   --> src/expr.rs:79:10
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub enum CompilerValue {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CompilerValue` is never used
[INFO] [stdout]   --> src/expr.rs:79:10
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub enum CompilerValue {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Value`, `Type`, `Kind`, and `Functor` are never constructed
[INFO] [stdout]  --> src/kind.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Kind {
[INFO] [stdout]   |          ---- variants in this enum
[INFO] [stdout] 6 |     Value(Option<Type>), // type checker needs to fill this
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 7 |     Type,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 8 |     Kind,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 9 |     Functor(Box<Kind>, Box<Kind>)
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Kind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Value`, `Type`, `Kind`, and `Functor` are never constructed
[INFO] [stdout]  --> src/kind.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Kind {
[INFO] [stdout]   |          ---- variants in this enum
[INFO] [stdout] 6 |     Value(Option<Type>), // type checker needs to fill this
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 7 |     Type,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 8 |     Kind,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 9 |     Functor(Box<Kind>, Box<Kind>)
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Kind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/type.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub enum BasicType {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout]  7 |     Void,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]  8 |     Bool,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]  9 |     Int,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 10 |     Float,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 11 |     Str,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 12 |
[INFO] [stdout] 13 |     Any,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 14 |
[INFO] [stdout] 15 |     Type,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 16 |     Kind,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BasicType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/type.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub enum BasicType {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout]  7 |     Void,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]  8 |     Bool,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]  9 |     Int,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 10 |     Float,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 11 |     Str,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 12 |
[INFO] [stdout] 13 |     Any,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 14 |
[INFO] [stdout] 15 |     Type,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 16 |     Kind,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BasicType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Basic`, `List`, `Tuple`, `Union`, `Inter`, and `Map` are never constructed
[INFO] [stdout]   --> src/type.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub enum Type {
[INFO] [stdout]    |          ---- variants in this enum
[INFO] [stdout] 21 |     Basic(BasicType),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 22 |     List(Box<Type>),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 23 |     Tuple(Vec<Type>),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 24 |     Union(BTreeSet<Type>),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 25 |     Inter(BTreeSet<Type>),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 26 |     Map(Box<Type>, Box<Type>),
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Type` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Basic`, `List`, `Tuple`, `Union`, `Inter`, and `Map` are never constructed
[INFO] [stdout]   --> src/type.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub enum Type {
[INFO] [stdout]    |          ---- variants in this enum
[INFO] [stdout] 21 |     Basic(BasicType),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 22 |     List(Box<Type>),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 23 |     Tuple(Vec<Type>),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 24 |     Union(BTreeSet<Type>),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 25 |     Inter(BTreeSet<Type>),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 26 |     Map(Box<Type>, Box<Type>),
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Type` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.76s
[INFO] running `Command { std: "docker" "inspect" "123c209498793c20f7d4c99949513dcba354afdeaf73a50b150429bce911328e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "123c209498793c20f7d4c99949513dcba354afdeaf73a50b150429bce911328e", kill_on_drop: false }`
[INFO] [stdout] 123c209498793c20f7d4c99949513dcba354afdeaf73a50b150429bce911328e
