[INFO] updating cached repository Marwes/haskell-compiler
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Marwes/haskell-compiler
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Marwes/haskell-compiler" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/Marwes/haskell-compiler"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/Marwes/haskell-compiler'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Marwes/haskell-compiler" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/Marwes/haskell-compiler"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/Marwes/haskell-compiler'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 997a8b64ea57d27a547caba964081b680b1c5152
[INFO] sha for GitHub repo Marwes/haskell-compiler: 997a8b64ea57d27a547caba964081b680b1c5152
[INFO] validating manifest of Marwes/haskell-compiler on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Marwes/haskell-compiler on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Marwes/haskell-compiler
[INFO] finished frobbing Marwes/haskell-compiler
[INFO] frobbed toml for Marwes/haskell-compiler written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/Marwes/haskell-compiler/Cargo.toml
[INFO] started frobbing Marwes/haskell-compiler
[INFO] finished frobbing Marwes/haskell-compiler
[INFO] frobbed toml for Marwes/haskell-compiler written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/Marwes/haskell-compiler/Cargo.toml
[INFO] crate Marwes/haskell-compiler already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Marwes/haskell-compiler against try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-6/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/Marwes/haskell-compiler:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 36b600e35aae55faba29c1f53c15f6b9bf7384a018d38d084c4f62924acd6d29
[INFO] running `"docker" "start" "-a" "36b600e35aae55faba29c1f53c15f6b9bf7384a018d38d084c4f62924acd6d29"`
[INFO] [stderr]     Checking haskell-compiler v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/parser.rs:79:1
[INFO] [stderr]    |
[INFO] [stderr] 79 | / macro_rules! expect1 {
[INFO] [stderr] 80 | |     ($e: expr, $p: ident ($x: ident)) => ({
[INFO] [stderr] 81 | |         match $e.next().token {
[INFO] [stderr] 82 | |             $p($x) => $x,
[INFO] [stderr] ...  |
[INFO] [stderr] 85 | |     })
[INFO] [stderr] 86 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_macros)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/parser.rs:88:1
[INFO] [stderr]    |
[INFO] [stderr] 88 | / macro_rules! matches {
[INFO] [stderr] 89 | |     ($e: expr, $p: pat) => (
[INFO] [stderr] 90 | |         match $e {
[INFO] [stderr] 91 | |             $p => true,
[INFO] [stderr] ...  |
[INFO] [stderr] 94 | |     )
[INFO] [stderr] 95 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `interner::*`
[INFO] [stderr]    --> src/core.rs:403:9
[INFO] [stderr]     |
[INFO] [stderr] 403 |     use interner::*;
[INFO] [stderr]     |         ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `name`
[INFO] [stderr]  --> src/lambda_lift.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 | use renamer::{name, NameSupply};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Application`, `Constructor`
[INFO] [stderr]  --> src/repl.rs:8:18
[INFO] [stderr]   |
[INFO] [stderr] 8 | use core::Type::{Application, Constructor};
[INFO] [stderr]   |                  ^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `module::Expr::*`
[INFO] [stderr]     --> src/typecheck.rs:1653:5
[INFO] [stderr]      |
[INFO] [stderr] 1653 | use module::Expr::*;
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `lexer::TokenEnum::*`
[INFO] [stderr]    --> src/lexer.rs:590:5
[INFO] [stderr]     |
[INFO] [stderr] 590 | use lexer::TokenEnum::*;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/parser.rs:79:1
[INFO] [stderr]    |
[INFO] [stderr] 79 | / macro_rules! expect1 {
[INFO] [stderr] 80 | |     ($e: expr, $p: ident ($x: ident)) => ({
[INFO] [stderr] 81 | |         match $e.next().token {
[INFO] [stderr] 82 | |             $p($x) => $x,
[INFO] [stderr] ...  |
[INFO] [stderr] 85 | |     })
[INFO] [stderr] 86 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_macros)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/parser.rs:88:1
[INFO] [stderr]    |
[INFO] [stderr] 88 | / macro_rules! matches {
[INFO] [stderr] 89 | |     ($e: expr, $p: pat) => (
[INFO] [stderr] 90 | |         match $e {
[INFO] [stderr] 91 | |             $p => true,
[INFO] [stderr] ...  |
[INFO] [stderr] 94 | |     )
[INFO] [stderr] 95 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `module::*`
[INFO] [stderr]     --> src/parser.rs:1189:5
[INFO] [stderr]      |
[INFO] [stderr] 1189 | use module::*;
[INFO] [stderr]      |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `module::Expr::*`
[INFO] [stderr]     --> src/parser.rs:1190:5
[INFO] [stderr]      |
[INFO] [stderr] 1190 | use module::Expr::*;
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Constructor`, `Double`, `Int`
[INFO] [stderr]    --> src/vm.rs:790:20
[INFO] [stderr]     |
[INFO] [stderr] 790 | use vm::VMResult::{Int, Double, Constructor};
[INFO] [stderr]     |                    ^^^  ^^^^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `interner::*`
[INFO] [stderr]    --> src/core.rs:403:9
[INFO] [stderr]     |
[INFO] [stderr] 403 |     use interner::*;
[INFO] [stderr]     |         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `name`
[INFO] [stderr]  --> src/lambda_lift.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 | use renamer::{name, NameSupply};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `core::*`
[INFO] [stderr]    --> src/lambda_lift.rs:210:9
[INFO] [stderr]     |
[INFO] [stderr] 210 |     use core::*;
[INFO] [stderr]     |         ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `core::Expr::*`
[INFO] [stderr]    --> src/lambda_lift.rs:211:9
[INFO] [stderr]     |
[INFO] [stderr] 211 |     use core::Expr::*;
[INFO] [stderr]     |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: private type `typecheck::Substitution` in public interface (error E0446)
[INFO] [stderr]    --> src/typecheck.rs:885:5
[INFO] [stderr]     |
[INFO] [stderr] 885 | /     pub fn typecheck_mutually_recursive_bindings
[INFO] [stderr] 886 | |             (&mut self
[INFO] [stderr] 887 | |             , start_var_age: isize
[INFO] [stderr] 888 | |             , subs: &mut Substitution
[INFO] [stderr] ...   |
[INFO] [stderr] 954 | |         }
[INFO] [stderr] 955 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(private_in_public)] on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: private trait `typecheck::Bindings` in public interface (error E0445)
[INFO] [stderr]    --> src/typecheck.rs:885:5
[INFO] [stderr]     |
[INFO] [stderr] 885 | /     pub fn typecheck_mutually_recursive_bindings
[INFO] [stderr] 886 | |             (&mut self
[INFO] [stderr] 887 | |             , start_var_age: isize
[INFO] [stderr] 888 | |             , subs: &mut Substitution
[INFO] [stderr] ...   |
[INFO] [stderr] 954 | |         }
[INFO] [stderr] 955 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: private type `graph::Edge` in public interface (error E0446)
[INFO] [stderr]   --> src/graph.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 | /     pub fn get_edge<'a>(&'a self, edge: EdgeIndex) -> &'a Edge {
[INFO] [stderr] 56 | |         &self.edges[edge.get()]
[INFO] [stderr] 57 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: private type `vm::InstanceDictionary` in public interface (error E0446)
[INFO] [stderr]   --> src/vm.rs:39:16
[INFO] [stderr]    |
[INFO] [stderr] 39 |     Dictionary(InstanceDictionary),
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `tuple_type`
[INFO] [stderr]    --> src/types.rs:184:1
[INFO] [stderr]     |
[INFO] [stderr] 184 | pub fn tuple_type(n: usize) -> (String, Type) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `char_type`
[INFO] [stderr]    --> src/types.rs:205:1
[INFO] [stderr]     |
[INFO] [stderr] 205 | pub fn char_type() -> Type {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `int_type`
[INFO] [stderr]    --> src/types.rs:209:1
[INFO] [stderr]     |
[INFO] [stderr] 209 | pub fn int_type() -> Type {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `bool_type`
[INFO] [stderr]    --> src/types.rs:213:1
[INFO] [stderr]     |
[INFO] [stderr] 213 | pub fn bool_type() -> Type {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `double_type`
[INFO] [stderr]    --> src/types.rs:217:1
[INFO] [stderr]     |
[INFO] [stderr] 217 | pub fn double_type() -> Type {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `function_type`
[INFO] [stderr]    --> src/types.rs:221:1
[INFO] [stderr]     |
[INFO] [stderr] 221 | pub fn function_type(arg: &Type, result: &Type) -> Type {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `io`
[INFO] [stderr]    --> src/types.rs:231:1
[INFO] [stderr]     |
[INFO] [stderr] 231 | pub fn io(typ: Type) -> Type {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `unit`
[INFO] [stderr]    --> src/types.rs:235:1
[INFO] [stderr]     |
[INFO] [stderr] 235 | pub fn unit() -> Type {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `walk_module`
[INFO] [stderr]    --> src/module.rs:300:1
[INFO] [stderr]     |
[INFO] [stderr] 300 | pub fn walk_module<Ident, V: Visitor<Ident>>(visitor: &mut V, module: &Module<Ident>) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `compile_string`
[INFO] [stderr]     --> src/compiler.rs:1051:1
[INFO] [stderr]      |
[INFO] [stderr] 1051 | pub fn compile_string(module: &str) -> Result<Vec<Assembly>, ::std::string::String> {
[INFO] [stderr]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `typecheck_module_`
[INFO] [stderr]    --> src/typecheck.rs:434:5
[INFO] [stderr]     |
[INFO] [stderr] 434 |     pub fn typecheck_module_(&mut self, module: &mut Module<Name>) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `typecheck_expr_`
[INFO] [stderr]    --> src/typecheck.rs:437:5
[INFO] [stderr]     |
[INFO] [stderr] 437 |     pub fn typecheck_expr_(&mut self, expr: &mut TypedExpr<Name>) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `typecheck_string`
[INFO] [stderr]     --> src/typecheck.rs:1613:1
[INFO] [stderr]      |
[INFO] [stderr] 1613 | pub fn typecheck_string(module: &str) -> Result<Vec<Module<Name>>, ::std::string::String> {
[INFO] [stderr]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `valid`
[INFO] [stderr]    --> src/lexer.rs:251:5
[INFO] [stderr]     |
[INFO] [stderr] 251 |     pub fn valid(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_string`
[INFO] [stderr]     --> src/parser.rs:1136:1
[INFO] [stderr]      |
[INFO] [stderr] 1136 | pub fn parse_string(contents: &str) -> ParseResult<Vec<Module>> {
[INFO] [stderr]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `from`
[INFO] [stderr]   --> src/graph.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     from: VertexIndex,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `execute_main_string`
[INFO] [stderr]    --> src/vm.rs:609:1
[INFO] [stderr]     |
[INFO] [stderr] 609 | pub fn execute_main_string(module: &str) -> Result<Option<VMResult>, String> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `walk_module`
[INFO] [stderr]    --> src/core.rs:228:5
[INFO] [stderr]     |
[INFO] [stderr] 228 |     pub fn walk_module<V: Visitor<Ident>, Ident>(visitor: &mut V, module: &Module<Ident>) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `walk_binding`
[INFO] [stderr]    --> src/core.rs:234:5
[INFO] [stderr]     |
[INFO] [stderr] 234 |     pub fn walk_binding<V: Visitor<Ident>, Ident>(visitor: &mut V, binding: &Binding<Ident>) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `walk_expr`
[INFO] [stderr]    --> src/core.rs:238:5
[INFO] [stderr]     |
[INFO] [stderr] 238 |     pub fn walk_expr<V: Visitor<Ident>, Ident>(visitor: &mut V, expr: &Expr<Ident>) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `walk_alternative`
[INFO] [stderr]    --> src/core.rs:261:5
[INFO] [stderr]     |
[INFO] [stderr] 261 |     pub fn walk_alternative<V: Visitor<Ident>, Ident>(visitor: &mut V, alt: &Alternative<Ident>) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `walk_module`
[INFO] [stderr]    --> src/core.rs:349:5
[INFO] [stderr]     |
[INFO] [stderr] 349 |     pub fn walk_module<V: Visitor<Ident>, Ident>(visitor: &mut V, mut module: Module<Ident>) -> Module<Ident> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `walk_binding`
[INFO] [stderr]    --> src/core.rs:358:5
[INFO] [stderr]     |
[INFO] [stderr] 358 |     pub fn walk_binding<V: Visitor<Ident>, Ident>(visitor: &mut V, binding: Binding<Ident>) -> Binding<Ident> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `walk_expr`
[INFO] [stderr]    --> src/core.rs:366:5
[INFO] [stderr]     |
[INFO] [stderr] 366 |     pub fn walk_expr<V: Visitor<Ident>, Ident>(visitor: &mut V, expr: Expr<Ident>) -> Expr<Ident> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `walk_alternative`
[INFO] [stderr]    --> src/core.rs:391:5
[INFO] [stderr]     |
[INFO] [stderr] 391 |     pub fn walk_alternative<V: Visitor<Ident>, Ident>(visitor: &mut V, alt: Alternative<Ident>) -> Alternative<Ident> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: private type `typecheck::Substitution` in public interface (error E0446)
[INFO] [stderr]    --> src/typecheck.rs:885:5
[INFO] [stderr]     |
[INFO] [stderr] 885 | /     pub fn typecheck_mutually_recursive_bindings
[INFO] [stderr] 886 | |             (&mut self
[INFO] [stderr] 887 | |             , start_var_age: isize
[INFO] [stderr] 888 | |             , subs: &mut Substitution
[INFO] [stderr] ...   |
[INFO] [stderr] 954 | |         }
[INFO] [stderr] 955 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(private_in_public)] on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: private trait `typecheck::Bindings` in public interface (error E0445)
[INFO] [stderr]    --> src/typecheck.rs:885:5
[INFO] [stderr]     |
[INFO] [stderr] 885 | /     pub fn typecheck_mutually_recursive_bindings
[INFO] [stderr] 886 | |             (&mut self
[INFO] [stderr] 887 | |             , start_var_age: isize
[INFO] [stderr] 888 | |             , subs: &mut Substitution
[INFO] [stderr] ...   |
[INFO] [stderr] 954 | |         }
[INFO] [stderr] 955 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: private type `graph::Edge` in public interface (error E0446)
[INFO] [stderr]   --> src/graph.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 | /     pub fn get_edge<'a>(&'a self, edge: EdgeIndex) -> &'a Edge {
[INFO] [stderr] 56 | |         &self.edges[edge.get()]
[INFO] [stderr] 57 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: private type `vm::InstanceDictionary` in public interface (error E0446)
[INFO] [stderr]   --> src/vm.rs:39:16
[INFO] [stderr]    |
[INFO] [stderr] 39 |     Dictionary(InstanceDictionary),
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `tuple_type`
[INFO] [stderr]    --> src/types.rs:184:1
[INFO] [stderr]     |
[INFO] [stderr] 184 | pub fn tuple_type(n: usize) -> (String, Type) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `walk_module`
[INFO] [stderr]    --> src/module.rs:300:1
[INFO] [stderr]     |
[INFO] [stderr] 300 | pub fn walk_module<Ident, V: Visitor<Ident>>(visitor: &mut V, module: &Module<Ident>) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `valid`
[INFO] [stderr]    --> src/lexer.rs:251:5
[INFO] [stderr]     |
[INFO] [stderr] 251 |     pub fn valid(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `from`
[INFO] [stderr]   --> src/graph.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     from: VertexIndex,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_assembly`
[INFO] [stderr]    --> src/vm.rs:178:5
[INFO] [stderr]     |
[INFO] [stderr] 178 |     pub fn get_assembly(&self, index: usize) -> &Assembly {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_expr`
[INFO] [stderr]   --> src/core.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn from_expr(expr: Expr<Id>) -> Module<Id> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `walk_module`
[INFO] [stderr]    --> src/core.rs:349:5
[INFO] [stderr]     |
[INFO] [stderr] 349 |     pub fn walk_module<V: Visitor<Ident>, Ident>(visitor: &mut V, mut module: Module<Ident>) -> Module<Ident> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `walk_binding`
[INFO] [stderr]    --> src/core.rs:358:5
[INFO] [stderr]     |
[INFO] [stderr] 358 |     pub fn walk_binding<V: Visitor<Ident>, Ident>(visitor: &mut V, binding: Binding<Ident>) -> Binding<Ident> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `walk_expr`
[INFO] [stderr]    --> src/core.rs:366:5
[INFO] [stderr]     |
[INFO] [stderr] 366 |     pub fn walk_expr<V: Visitor<Ident>, Ident>(visitor: &mut V, expr: Expr<Ident>) -> Expr<Ident> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `walk_alternative`
[INFO] [stderr]    --> src/core.rs:391:5
[INFO] [stderr]     |
[INFO] [stderr] 391 |     pub fn walk_alternative<V: Visitor<Ident>, Ident>(visitor: &mut V, alt: Alternative<Ident>) -> Alternative<Ident> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `translate_expr`
[INFO] [stderr]    --> src/core.rs:417:5
[INFO] [stderr]     |
[INFO] [stderr] 417 |     pub fn translate_expr(expr: module::TypedExpr<Name>) -> Expr<Id<Name>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.80s
[INFO] running `"docker" "inspect" "36b600e35aae55faba29c1f53c15f6b9bf7384a018d38d084c4f62924acd6d29"`
[INFO] running `"docker" "rm" "-f" "36b600e35aae55faba29c1f53c15f6b9bf7384a018d38d084c4f62924acd6d29"`
[INFO] [stdout] 36b600e35aae55faba29c1f53c15f6b9bf7384a018d38d084c4f62924acd6d29