Dec 06 10:37:27.543 INFO testing Plasticcaz/mayim_old against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 06 10:37:27.543 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 06 10:37:27.751 INFO [stdout] 3317b7532b1f3571fb8d1d40e6ae160fd4e8d83393c0995ed0196dcf59171f83
Dec 06 10:37:27.752 INFO running `"docker" "start" "-a" "3317b7532b1f3571fb8d1d40e6ae160fd4e8d83393c0995ed0196dcf59171f83"`
Dec 06 10:37:28.224 INFO [stderr] usermod: no changes
Dec 06 10:37:28.276 INFO [stderr]    Compiling mayim_arena v0.1.0 (/source/mayim_arena)
Dec 06 10:37:29.110 INFO [stderr]    Compiling mayim v0.1.0 (/source)
Dec 06 10:37:29.490 INFO [stderr] warning: unused import: `mayim_arena::Arena`
Dec 06 10:37:29.491 INFO [stderr]  --> src/typer_stuff/typertype.rs:2:5
Dec 06 10:37:29.491 INFO [stderr]   |
Dec 06 10:37:29.491 INFO [stderr] 2 | use mayim_arena::Arena;
Dec 06 10:37:29.492 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 06 10:37:29.492 INFO [stderr]   |
Dec 06 10:37:29.492 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 06 10:37:29.492 INFO [stderr] 
Dec 06 10:37:29.678 INFO [stderr] warning: private type `syntax::error::AssignToConstantBinding` in public interface (error E0446)
Dec 06 10:37:29.679 INFO [stderr]   --> src/syntax/error.rs:10:29
Dec 06 10:37:29.679 INFO [stderr]    |
Dec 06 10:37:29.679 INFO [stderr] 10 |     AssignToConstantBinding(AssignToConstantBinding),
Dec 06 10:37:29.679 INFO [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 10:37:29.680 INFO [stderr]    |
Dec 06 10:37:29.680 INFO [stderr]    = note: #[warn(private_in_public)] on by default
Dec 06 10:37:29.680 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!
Dec 06 10:37:29.680 INFO [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
Dec 06 10:37:29.681 INFO [stderr] 
Dec 06 10:37:29.681 INFO [stderr] warning: private type `syntax::error::BindingAlreadyExists` in public interface (error E0446)
Dec 06 10:37:29.681 INFO [stderr]   --> src/syntax/error.rs:11:26
Dec 06 10:37:29.681 INFO [stderr]    |
Dec 06 10:37:29.682 INFO [stderr] 11 |     BindingAlreadyExists(BindingAlreadyExists),
Dec 06 10:37:29.682 INFO [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^
Dec 06 10:37:29.682 INFO [stderr]    |
Dec 06 10:37:29.682 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!
Dec 06 10:37:29.683 INFO [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
Dec 06 10:37:29.683 INFO [stderr] 
Dec 06 10:37:29.683 INFO [stderr] warning: private type `syntax::error::ExpectedButGot` in public interface (error E0446)
Dec 06 10:37:29.683 INFO [stderr]   --> src/syntax/error.rs:12:20
Dec 06 10:37:29.683 INFO [stderr]    |
Dec 06 10:37:29.684 INFO [stderr] 12 |     ExpectedButGot(ExpectedButGot),
Dec 06 10:37:29.684 INFO [stderr]    |                    ^^^^^^^^^^^^^^
Dec 06 10:37:29.684 INFO [stderr]    |
Dec 06 10:37:29.684 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!
Dec 06 10:37:29.685 INFO [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
Dec 06 10:37:29.685 INFO [stderr] 
Dec 06 10:37:29.685 INFO [stderr] warning: private type `syntax::error::ExpectedOneOfButGot` in public interface (error E0446)
Dec 06 10:37:29.685 INFO [stderr]   --> src/syntax/error.rs:13:25
Dec 06 10:37:29.685 INFO [stderr]    |
Dec 06 10:37:29.686 INFO [stderr] 13 |     ExpectedOneOfButGot(ExpectedOneOfButGot),
Dec 06 10:37:29.686 INFO [stderr]    |                         ^^^^^^^^^^^^^^^^^^^
Dec 06 10:37:29.686 INFO [stderr]    |
Dec 06 10:37:29.686 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!
Dec 06 10:37:29.687 INFO [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
Dec 06 10:37:29.687 INFO [stderr] 
Dec 06 10:37:29.687 INFO [stderr] warning: unreachable pattern
Dec 06 10:37:29.687 INFO [stderr]   --> src/typer_stuff/typertype.rs:52:13
Dec 06 10:37:29.687 INFO [stderr]    |
Dec 06 10:37:29.688 INFO [stderr] 52 |             _ => unimplemented!(),
Dec 06 10:37:29.688 INFO [stderr]    |             ^
Dec 06 10:37:29.688 INFO [stderr]    |
Dec 06 10:37:29.688 INFO [stderr]    = note: #[warn(unreachable_patterns)] on by default
Dec 06 10:37:29.689 INFO [stderr] 
Dec 06 10:37:29.689 INFO [stderr] warning: unused variable: `assign_operator`
Dec 06 10:37:29.689 INFO [stderr]   --> src/syntax/parser.rs:70:9
Dec 06 10:37:29.689 INFO [stderr]    |
Dec 06 10:37:29.690 INFO [stderr] 70 |     let assign_operator = expect(tokens, TokenType::Assign)?;
Dec 06 10:37:29.690 INFO [stderr]    |         ^^^^^^^^^^^^^^^ help: consider using `_assign_operator` instead
Dec 06 10:37:29.690 INFO [stderr]    |
Dec 06 10:37:29.690 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 06 10:37:29.690 INFO [stderr] 
Dec 06 10:37:29.691 INFO [stderr] warning: unused variable: `semicolon`
Dec 06 10:37:29.691 INFO [stderr]   --> src/syntax/parser.rs:72:9
Dec 06 10:37:29.691 INFO [stderr]    |
Dec 06 10:37:29.691 INFO [stderr] 72 |     let semicolon = expect(tokens, TokenType::Semicolon)?;
Dec 06 10:37:29.692 INFO [stderr]    |         ^^^^^^^^^ help: consider using `_semicolon` instead
Dec 06 10:37:29.692 INFO [stderr] 
Dec 06 10:37:29.692 INFO [stderr] warning: unused variable: `location`
Dec 06 10:37:29.692 INFO [stderr]   --> src/typer.rs:66:63
Dec 06 10:37:29.693 INFO [stderr]    |
Dec 06 10:37:29.693 INFO [stderr] 66 |     fn check_return_statement(&mut self, interp: &mut Interp, location: Location, return_stmt: ReturnStatement) {
Dec 06 10:37:29.693 INFO [stderr]    |                                                               ^^^^^^^^ help: consider using `_location` instead
Dec 06 10:37:29.693 INFO [stderr] 
Dec 06 10:37:29.693 INFO [stderr] warning: unused variable: `interp`
Dec 06 10:37:29.694 INFO [stderr]   --> src/typer.rs:75:9
Dec 06 10:37:29.694 INFO [stderr]    |
Dec 06 10:37:29.694 INFO [stderr] 75 |         interp: &mut Interp,
Dec 06 10:37:29.694 INFO [stderr]    |         ^^^^^^ help: consider using `_interp` instead
Dec 06 10:37:29.694 INFO [stderr] 
Dec 06 10:37:29.695 INFO [stderr] warning: unused variable: `location`
Dec 06 10:37:29.695 INFO [stderr]   --> src/typer.rs:76:9
Dec 06 10:37:29.695 INFO [stderr]    |
Dec 06 10:37:29.695 INFO [stderr] 76 |         location: Location,
Dec 06 10:37:29.695 INFO [stderr]    |         ^^^^^^^^ help: consider using `_location` instead
Dec 06 10:37:29.695 INFO [stderr] 
Dec 06 10:37:29.695 INFO [stderr] warning: unused variable: `location`
Dec 06 10:37:29.695 INFO [stderr]   --> src/typer.rs:97:9
Dec 06 10:37:29.695 INFO [stderr]    |
Dec 06 10:37:29.695 INFO [stderr] 97 |         location: Location,
Dec 06 10:37:29.695 INFO [stderr]    |         ^^^^^^^^ help: consider using `_location` instead
Dec 06 10:37:29.695 INFO [stderr] 
Dec 06 10:37:29.778 INFO [stderr] warning: variant is never constructed: `Declaration`
Dec 06 10:37:29.778 INFO [stderr]   --> src/syntax/ast.rs:18:5
Dec 06 10:37:29.778 INFO [stderr]    |
Dec 06 10:37:29.778 INFO [stderr] 18 |     Declaration { lhs: Expression, ttype: Type },
Dec 06 10:37:29.778 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 10:37:29.778 INFO [stderr]    |
Dec 06 10:37:29.778 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 06 10:37:29.778 INFO [stderr] 
Dec 06 10:37:29.778 INFO [stderr] warning: variant is never constructed: `BinaryOpExpr`
Dec 06 10:37:29.778 INFO [stderr]   --> src/syntax/ast.rs:64:5
Dec 06 10:37:29.778 INFO [stderr]    |
Dec 06 10:37:29.778 INFO [stderr] 64 | /     BinaryOpExpr {
Dec 06 10:37:29.778 INFO [stderr] 65 | |         operator: BinaryOperator,
Dec 06 10:37:29.778 INFO [stderr] 66 | |         a: Box<Expression>,
Dec 06 10:37:29.778 INFO [stderr] 67 | |         b: Box<Expression>,
Dec 06 10:37:29.778 INFO [stderr] 68 | |     },
Dec 06 10:37:29.778 INFO [stderr]    | |_____^
Dec 06 10:37:29.778 INFO [stderr] 
Dec 06 10:37:29.778 INFO [stderr] warning: variant is never constructed: `UnaryOpExpr`
Dec 06 10:37:29.778 INFO [stderr]   --> src/syntax/ast.rs:69:5
Dec 06 10:37:29.778 INFO [stderr]    |
Dec 06 10:37:29.778 INFO [stderr] 69 | /     UnaryOpExpr {
Dec 06 10:37:29.778 INFO [stderr] 70 | |         operator: BinaryOperator,
Dec 06 10:37:29.778 INFO [stderr] 71 | |         expr: Box<Expression>,
Dec 06 10:37:29.778 INFO [stderr] 72 | |     },
Dec 06 10:37:29.778 INFO [stderr]    | |_____^
Dec 06 10:37:29.778 INFO [stderr] 
Dec 06 10:37:29.778 INFO [stderr] warning: variant is never constructed: `Plus`
Dec 06 10:37:29.778 INFO [stderr]    --> src/syntax/ast.rs:114:5
Dec 06 10:37:29.778 INFO [stderr]     |
Dec 06 10:37:29.778 INFO [stderr] 114 |     Plus,
Dec 06 10:37:29.778 INFO [stderr]     |     ^^^^
Dec 06 10:37:29.778 INFO [stderr] 
Dec 06 10:37:29.778 INFO [stderr] warning: variant is never constructed: `Minus`
Dec 06 10:37:29.778 INFO [stderr]    --> src/syntax/ast.rs:115:5
Dec 06 10:37:29.778 INFO [stderr]     |
Dec 06 10:37:29.778 INFO [stderr] 115 |     Minus,
Dec 06 10:37:29.778 INFO [stderr]     |     ^^^^^
Dec 06 10:37:29.778 INFO [stderr] 
Dec 06 10:37:29.778 INFO [stderr] warning: variant is never constructed: `Divide`
Dec 06 10:37:29.778 INFO [stderr]    --> src/syntax/ast.rs:116:5
Dec 06 10:37:29.778 INFO [stderr]     |
Dec 06 10:37:29.778 INFO [stderr] 116 |     Divide,
Dec 06 10:37:29.778 INFO [stderr]     |     ^^^^^^
Dec 06 10:37:29.778 INFO [stderr] 
Dec 06 10:37:29.778 INFO [stderr] warning: variant is never constructed: `Multiply`
Dec 06 10:37:29.778 INFO [stderr]    --> src/syntax/ast.rs:117:5
Dec 06 10:37:29.778 INFO [stderr]     |
Dec 06 10:37:29.778 INFO [stderr] 117 |     Multiply,
Dec 06 10:37:29.778 INFO [stderr]     |     ^^^^^^^^
Dec 06 10:37:29.778 INFO [stderr] 
Dec 06 10:37:29.778 INFO [stderr] warning: variant is never constructed: `FunctionKeyword`
Dec 06 10:37:29.778 INFO [stderr]   --> src/syntax/atoms/token_type.rs:26:5
Dec 06 10:37:29.778 INFO [stderr]    |
Dec 06 10:37:29.778 INFO [stderr] 26 |     FunctionKeyword,
Dec 06 10:37:29.778 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 06 10:37:29.778 INFO [stderr] 
Dec 06 10:37:29.778 INFO [stderr] warning: method is never used: `undeclared_identifier`
Dec 06 10:37:29.778 INFO [stderr]   --> src/syntax/error.rs:64:5
Dec 06 10:37:29.778 INFO [stderr]    |
Dec 06 10:37:29.778 INFO [stderr] 64 |     pub fn undeclared_identifier(identifier: Token) -> Error {
Dec 06 10:37:29.778 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 10:37:29.778 INFO [stderr] 
Dec 06 10:37:29.779 INFO [stderr] warning: field is never used: `scope_stack`
Dec 06 10:37:29.779 INFO [stderr]   --> src/typer.rs:13:5
Dec 06 10:37:29.779 INFO [stderr]    |
Dec 06 10:37:29.779 INFO [stderr] 13 |     scope_stack: Vec<ScopeId>,
Dec 06 10:37:29.779 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 10:37:29.779 INFO [stderr] 
Dec 06 10:37:29.779 INFO [stderr] warning: method is never used: `location_defined`
Dec 06 10:37:29.779 INFO [stderr]   --> src/typer_stuff/binding.rs:24:5
Dec 06 10:37:29.779 INFO [stderr]    |
Dec 06 10:37:29.779 INFO [stderr] 24 |     pub fn location_defined(&self) -> Location {
Dec 06 10:37:29.779 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 10:37:29.779 INFO [stderr] 
Dec 06 10:37:30.585 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.34s
Dec 06 10:37:30.588 INFO [stderr] su: No module specific data is present
Dec 06 10:37:31.160 INFO running `"docker" "inspect" "3317b7532b1f3571fb8d1d40e6ae160fd4e8d83393c0995ed0196dcf59171f83"`
Dec 06 10:37:31.296 INFO running `"docker" "rm" "-f" "3317b7532b1f3571fb8d1d40e6ae160fd4e8d83393c0995ed0196dcf59171f83"`
Dec 06 10:37:31.385 INFO [stdout] 3317b7532b1f3571fb8d1d40e6ae160fd4e8d83393c0995ed0196dcf59171f83
Dec 06 10:37:31.387 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 06 10:37:31.547 INFO [stdout] 72f686f0905173e040de0b3c2bbb2c43392cbb105bfc01e753ae6b5c0c761530
Dec 06 10:37:31.549 INFO running `"docker" "start" "-a" "72f686f0905173e040de0b3c2bbb2c43392cbb105bfc01e753ae6b5c0c761530"`
Dec 06 10:37:31.916 INFO [stderr] usermod: no changes
Dec 06 10:37:31.948 INFO [stderr]    Compiling mayim v0.1.0 (/source)
Dec 06 10:37:32.326 INFO [stderr] warning: unused import: `mayim_arena::Arena`
Dec 06 10:37:32.326 INFO [stderr]  --> src/typer_stuff/typertype.rs:2:5
Dec 06 10:37:32.326 INFO [stderr]   |
Dec 06 10:37:32.326 INFO [stderr] 2 | use mayim_arena::Arena;
Dec 06 10:37:32.326 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 06 10:37:32.326 INFO [stderr]   |
Dec 06 10:37:32.326 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 06 10:37:32.326 INFO [stderr] 
Dec 06 10:37:32.462 INFO [stderr] warning: private type `syntax::error::AssignToConstantBinding` in public interface (error E0446)
Dec 06 10:37:32.462 INFO [stderr]   --> src/syntax/error.rs:10:29
Dec 06 10:37:32.462 INFO [stderr]    |
Dec 06 10:37:32.462 INFO [stderr] 10 |     AssignToConstantBinding(AssignToConstantBinding),
Dec 06 10:37:32.462 INFO [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 10:37:32.462 INFO [stderr]    |
Dec 06 10:37:32.462 INFO [stderr]    = note: #[warn(private_in_public)] on by default
Dec 06 10:37:32.462 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!
Dec 06 10:37:32.462 INFO [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
Dec 06 10:37:32.462 INFO [stderr] 
Dec 06 10:37:32.464 INFO [stderr] warning: private type `syntax::error::BindingAlreadyExists` in public interface (error E0446)
Dec 06 10:37:32.464 INFO [stderr]   --> src/syntax/error.rs:11:26
Dec 06 10:37:32.464 INFO [stderr]    |
Dec 06 10:37:32.464 INFO [stderr] 11 |     BindingAlreadyExists(BindingAlreadyExists),
Dec 06 10:37:32.464 INFO [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^
Dec 06 10:37:32.464 INFO [stderr]    |
Dec 06 10:37:32.464 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!
Dec 06 10:37:32.464 INFO [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
Dec 06 10:37:32.464 INFO [stderr] 
Dec 06 10:37:32.464 INFO [stderr] warning: private type `syntax::error::ExpectedButGot` in public interface (error E0446)
Dec 06 10:37:32.464 INFO [stderr]   --> src/syntax/error.rs:12:20
Dec 06 10:37:32.465 INFO [stderr]    |
Dec 06 10:37:32.465 INFO [stderr] 12 |     ExpectedButGot(ExpectedButGot),
Dec 06 10:37:32.465 INFO [stderr]    |                    ^^^^^^^^^^^^^^
Dec 06 10:37:32.465 INFO [stderr]    |
Dec 06 10:37:32.465 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!
Dec 06 10:37:32.465 INFO [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
Dec 06 10:37:32.465 INFO [stderr] 
Dec 06 10:37:32.465 INFO [stderr] warning: private type `syntax::error::ExpectedOneOfButGot` in public interface (error E0446)
Dec 06 10:37:32.465 INFO [stderr]   --> src/syntax/error.rs:13:25
Dec 06 10:37:32.465 INFO [stderr]    |
Dec 06 10:37:32.465 INFO [stderr] 13 |     ExpectedOneOfButGot(ExpectedOneOfButGot),
Dec 06 10:37:32.465 INFO [stderr]    |                         ^^^^^^^^^^^^^^^^^^^
Dec 06 10:37:32.465 INFO [stderr]    |
Dec 06 10:37:32.465 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!
Dec 06 10:37:32.465 INFO [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
Dec 06 10:37:32.465 INFO [stderr] 
Dec 06 10:37:32.466 INFO [stderr] warning: unreachable pattern
Dec 06 10:37:32.466 INFO [stderr]   --> src/typer_stuff/typertype.rs:52:13
Dec 06 10:37:32.467 INFO [stderr]    |
Dec 06 10:37:32.467 INFO [stderr] 52 |             _ => unimplemented!(),
Dec 06 10:37:32.467 INFO [stderr]    |             ^
Dec 06 10:37:32.467 INFO [stderr]    |
Dec 06 10:37:32.467 INFO [stderr]    = note: #[warn(unreachable_patterns)] on by default
Dec 06 10:37:32.467 INFO [stderr] 
Dec 06 10:37:32.467 INFO [stderr] warning: unused variable: `assign_operator`
Dec 06 10:37:32.467 INFO [stderr]   --> src/syntax/parser.rs:70:9
Dec 06 10:37:32.467 INFO [stderr]    |
Dec 06 10:37:32.467 INFO [stderr] 70 |     let assign_operator = expect(tokens, TokenType::Assign)?;
Dec 06 10:37:32.467 INFO [stderr]    |         ^^^^^^^^^^^^^^^ help: consider using `_assign_operator` instead
Dec 06 10:37:32.467 INFO [stderr]    |
Dec 06 10:37:32.467 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 06 10:37:32.467 INFO [stderr] 
Dec 06 10:37:32.467 INFO [stderr] warning: unused variable: `semicolon`
Dec 06 10:37:32.467 INFO [stderr]   --> src/syntax/parser.rs:72:9
Dec 06 10:37:32.467 INFO [stderr]    |
Dec 06 10:37:32.467 INFO [stderr] 72 |     let semicolon = expect(tokens, TokenType::Semicolon)?;
Dec 06 10:37:32.467 INFO [stderr]    |         ^^^^^^^^^ help: consider using `_semicolon` instead
Dec 06 10:37:32.467 INFO [stderr] 
Dec 06 10:37:32.467 INFO [stderr] warning: unused variable: `location`
Dec 06 10:37:32.467 INFO [stderr]   --> src/typer.rs:66:63
Dec 06 10:37:32.467 INFO [stderr]    |
Dec 06 10:37:32.467 INFO [stderr] 66 |     fn check_return_statement(&mut self, interp: &mut Interp, location: Location, return_stmt: ReturnStatement) {
Dec 06 10:37:32.467 INFO [stderr]    |                                                               ^^^^^^^^ help: consider using `_location` instead
Dec 06 10:37:32.467 INFO [stderr] 
Dec 06 10:37:32.467 INFO [stderr] warning: unused variable: `interp`
Dec 06 10:37:32.467 INFO [stderr]   --> src/typer.rs:75:9
Dec 06 10:37:32.467 INFO [stderr]    |
Dec 06 10:37:32.467 INFO [stderr] 75 |         interp: &mut Interp,
Dec 06 10:37:32.467 INFO [stderr]    |         ^^^^^^ help: consider using `_interp` instead
Dec 06 10:37:32.467 INFO [stderr] 
Dec 06 10:37:32.467 INFO [stderr] warning: unused variable: `location`
Dec 06 10:37:32.468 INFO [stderr]   --> src/typer.rs:76:9
Dec 06 10:37:32.468 INFO [stderr]    |
Dec 06 10:37:32.468 INFO [stderr] 76 |         location: Location,
Dec 06 10:37:32.468 INFO [stderr]    |         ^^^^^^^^ help: consider using `_location` instead
Dec 06 10:37:32.468 INFO [stderr] 
Dec 06 10:37:32.470 INFO [stderr] warning: unused variable: `location`
Dec 06 10:37:32.470 INFO [stderr]   --> src/typer.rs:97:9
Dec 06 10:37:32.470 INFO [stderr]    |
Dec 06 10:37:32.470 INFO [stderr] 97 |         location: Location,
Dec 06 10:37:32.470 INFO [stderr]    |         ^^^^^^^^ help: consider using `_location` instead
Dec 06 10:37:32.470 INFO [stderr] 
Dec 06 10:37:32.557 INFO [stderr] warning: variant is never constructed: `Declaration`
Dec 06 10:37:32.557 INFO [stderr]   --> src/syntax/ast.rs:18:5
Dec 06 10:37:32.557 INFO [stderr]    |
Dec 06 10:37:32.557 INFO [stderr] 18 |     Declaration { lhs: Expression, ttype: Type },
Dec 06 10:37:32.557 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 10:37:32.557 INFO [stderr]    |
Dec 06 10:37:32.557 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 06 10:37:32.557 INFO [stderr] 
Dec 06 10:37:32.557 INFO [stderr] warning: variant is never constructed: `BinaryOpExpr`
Dec 06 10:37:32.557 INFO [stderr]   --> src/syntax/ast.rs:64:5
Dec 06 10:37:32.557 INFO [stderr]    |
Dec 06 10:37:32.557 INFO [stderr] 64 | /     BinaryOpExpr {
Dec 06 10:37:32.557 INFO [stderr] 65 | |         operator: BinaryOperator,
Dec 06 10:37:32.557 INFO [stderr] 66 | |         a: Box<Expression>,
Dec 06 10:37:32.557 INFO [stderr] 67 | |         b: Box<Expression>,
Dec 06 10:37:32.557 INFO [stderr] 68 | |     },
Dec 06 10:37:32.557 INFO [stderr]    | |_____^
Dec 06 10:37:32.558 INFO [stderr] 
Dec 06 10:37:32.558 INFO [stderr] warning: variant is never constructed: `UnaryOpExpr`
Dec 06 10:37:32.558 INFO [stderr]   --> src/syntax/ast.rs:69:5
Dec 06 10:37:32.558 INFO [stderr]    |
Dec 06 10:37:32.558 INFO [stderr] 69 | /     UnaryOpExpr {
Dec 06 10:37:32.558 INFO [stderr] 70 | |         operator: BinaryOperator,
Dec 06 10:37:32.558 INFO [stderr] 71 | |         expr: Box<Expression>,
Dec 06 10:37:32.558 INFO [stderr] 72 | |     },
Dec 06 10:37:32.558 INFO [stderr]    | |_____^
Dec 06 10:37:32.558 INFO [stderr] 
Dec 06 10:37:32.558 INFO [stderr] warning: variant is never constructed: `Plus`
Dec 06 10:37:32.558 INFO [stderr]    --> src/syntax/ast.rs:114:5
Dec 06 10:37:32.558 INFO [stderr]     |
Dec 06 10:37:32.558 INFO [stderr] 114 |     Plus,
Dec 06 10:37:32.558 INFO [stderr]     |     ^^^^
Dec 06 10:37:32.558 INFO [stderr] 
Dec 06 10:37:32.558 INFO [stderr] warning: variant is never constructed: `Minus`
Dec 06 10:37:32.558 INFO [stderr]    --> src/syntax/ast.rs:115:5
Dec 06 10:37:32.558 INFO [stderr]     |
Dec 06 10:37:32.558 INFO [stderr] 115 |     Minus,
Dec 06 10:37:32.558 INFO [stderr]     |     ^^^^^
Dec 06 10:37:32.558 INFO [stderr] 
Dec 06 10:37:32.558 INFO [stderr] warning: variant is never constructed: `Divide`
Dec 06 10:37:32.558 INFO [stderr]    --> src/syntax/ast.rs:116:5
Dec 06 10:37:32.558 INFO [stderr]     |
Dec 06 10:37:32.558 INFO [stderr] 116 |     Divide,
Dec 06 10:37:32.558 INFO [stderr]     |     ^^^^^^
Dec 06 10:37:32.558 INFO [stderr] 
Dec 06 10:37:32.558 INFO [stderr] warning: variant is never constructed: `Multiply`
Dec 06 10:37:32.558 INFO [stderr]    --> src/syntax/ast.rs:117:5
Dec 06 10:37:32.558 INFO [stderr]     |
Dec 06 10:37:32.558 INFO [stderr] 117 |     Multiply,
Dec 06 10:37:32.558 INFO [stderr]     |     ^^^^^^^^
Dec 06 10:37:32.558 INFO [stderr] 
Dec 06 10:37:32.558 INFO [stderr] warning: variant is never constructed: `FunctionKeyword`
Dec 06 10:37:32.558 INFO [stderr]   --> src/syntax/atoms/token_type.rs:26:5
Dec 06 10:37:32.558 INFO [stderr]    |
Dec 06 10:37:32.558 INFO [stderr] 26 |     FunctionKeyword,
Dec 06 10:37:32.558 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 06 10:37:32.558 INFO [stderr] 
Dec 06 10:37:32.558 INFO [stderr] warning: method is never used: `undeclared_identifier`
Dec 06 10:37:32.558 INFO [stderr]   --> src/syntax/error.rs:64:5
Dec 06 10:37:32.558 INFO [stderr]    |
Dec 06 10:37:32.558 INFO [stderr] 64 |     pub fn undeclared_identifier(identifier: Token) -> Error {
Dec 06 10:37:32.558 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 10:37:32.558 INFO [stderr] 
Dec 06 10:37:32.558 INFO [stderr] warning: field is never used: `scope_stack`
Dec 06 10:37:32.558 INFO [stderr]   --> src/typer.rs:13:5
Dec 06 10:37:32.558 INFO [stderr]    |
Dec 06 10:37:32.558 INFO [stderr] 13 |     scope_stack: Vec<ScopeId>,
Dec 06 10:37:32.558 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 10:37:32.558 INFO [stderr] 
Dec 06 10:37:32.558 INFO [stderr] warning: method is never used: `location_defined`
Dec 06 10:37:32.558 INFO [stderr]   --> src/typer_stuff/binding.rs:24:5
Dec 06 10:37:32.558 INFO [stderr]    |
Dec 06 10:37:32.558 INFO [stderr] 24 |     pub fn location_defined(&self) -> Location {
Dec 06 10:37:32.558 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 10:37:32.558 INFO [stderr] 
Dec 06 10:37:32.762 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
Dec 06 10:37:32.765 INFO [stderr] su: No module specific data is present
Dec 06 10:37:33.007 INFO running `"docker" "inspect" "72f686f0905173e040de0b3c2bbb2c43392cbb105bfc01e753ae6b5c0c761530"`
Dec 06 10:37:33.069 INFO running `"docker" "rm" "-f" "72f686f0905173e040de0b3c2bbb2c43392cbb105bfc01e753ae6b5c0c761530"`
Dec 06 10:37:33.158 INFO [stdout] 72f686f0905173e040de0b3c2bbb2c43392cbb105bfc01e753ae6b5c0c761530
Dec 06 10:37:33.162 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 06 10:37:33.387 INFO [stdout] 935911dfee5307f66743eb9033106f7811a393be845db417d3bf8dc685a5121d
Dec 06 10:37:33.389 INFO running `"docker" "start" "-a" "935911dfee5307f66743eb9033106f7811a393be845db417d3bf8dc685a5121d"`
Dec 06 10:37:33.779 INFO [stderr] usermod: no changes
Dec 06 10:37:33.801 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 06 10:37:33.802 INFO [stderr]      Running /target/debug/deps/mayim-88ef8ecde20d4de6
Dec 06 10:37:33.812 INFO [stdout] 
Dec 06 10:37:33.812 INFO [stdout] running 0 tests
Dec 06 10:37:33.812 INFO [stdout] 
Dec 06 10:37:33.812 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 10:37:33.812 INFO [stdout] 
Dec 06 10:37:33.814 INFO [stderr] su: No module specific data is present
Dec 06 10:37:34.043 INFO running `"docker" "inspect" "935911dfee5307f66743eb9033106f7811a393be845db417d3bf8dc685a5121d"`
Dec 06 10:37:34.105 INFO running `"docker" "rm" "-f" "935911dfee5307f66743eb9033106f7811a393be845db417d3bf8dc685a5121d"`
Dec 06 10:37:34.193 INFO [stdout] 935911dfee5307f66743eb9033106f7811a393be845db417d3bf8dc685a5121d