Dec 14 06:48:15.503 INFO testing Plasticcaz/mayim_old against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 06:48:15.504 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 14 06:48:15.791 INFO [stdout] 67f42c832c4c710fc80b0c3b5deb8330ce416e0d6a132f3b189d1e1c9306fcbf
Dec 14 06:48:15.792 INFO running `"docker" "start" "-a" "67f42c832c4c710fc80b0c3b5deb8330ce416e0d6a132f3b189d1e1c9306fcbf"`
Dec 14 06:48:16.284 INFO [stderr] usermod: no changes
Dec 14 06:48:16.312 INFO [stderr]    Compiling mayim_arena v0.1.0 (/source/mayim_arena)
Dec 14 06:48:16.820 INFO [stderr]    Compiling mayim v0.1.0 (/source)
Dec 14 06:48:17.203 INFO [stderr] warning: unused import: `mayim_arena::Arena`
Dec 14 06:48:17.203 INFO [stderr]  --> src/typer_stuff/typertype.rs:2:5
Dec 14 06:48:17.203 INFO [stderr]   |
Dec 14 06:48:17.203 INFO [stderr] 2 | use mayim_arena::Arena;
Dec 14 06:48:17.203 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 14 06:48:17.203 INFO [stderr]   |
Dec 14 06:48:17.203 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 06:48:17.203 INFO [stderr] 
Dec 14 06:48:17.397 INFO [stderr] warning: private type `syntax::error::AssignToConstantBinding` in public interface (error E0446)
Dec 14 06:48:17.397 INFO [stderr]   --> src/syntax/error.rs:10:29
Dec 14 06:48:17.397 INFO [stderr]    |
Dec 14 06:48:17.397 INFO [stderr] 10 |     AssignToConstantBinding(AssignToConstantBinding),
Dec 14 06:48:17.397 INFO [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:48:17.397 INFO [stderr]    |
Dec 14 06:48:17.397 INFO [stderr]    = note: #[warn(private_in_public)] on by default
Dec 14 06:48:17.397 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 14 06:48:17.397 INFO [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
Dec 14 06:48:17.397 INFO [stderr] 
Dec 14 06:48:17.397 INFO [stderr] warning: private type `syntax::error::BindingAlreadyExists` in public interface (error E0446)
Dec 14 06:48:17.397 INFO [stderr]   --> src/syntax/error.rs:11:26
Dec 14 06:48:17.397 INFO [stderr]    |
Dec 14 06:48:17.397 INFO [stderr] 11 |     BindingAlreadyExists(BindingAlreadyExists),
Dec 14 06:48:17.397 INFO [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^
Dec 14 06:48:17.397 INFO [stderr]    |
Dec 14 06:48:17.397 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 14 06:48:17.397 INFO [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
Dec 14 06:48:17.397 INFO [stderr] 
Dec 14 06:48:17.397 INFO [stderr] warning: private type `syntax::error::ExpectedButGot` in public interface (error E0446)
Dec 14 06:48:17.397 INFO [stderr]   --> src/syntax/error.rs:12:20
Dec 14 06:48:17.397 INFO [stderr]    |
Dec 14 06:48:17.397 INFO [stderr] 12 |     ExpectedButGot(ExpectedButGot),
Dec 14 06:48:17.397 INFO [stderr]    |                    ^^^^^^^^^^^^^^
Dec 14 06:48:17.398 INFO [stderr]    |
Dec 14 06:48:17.398 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 14 06:48:17.398 INFO [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
Dec 14 06:48:17.398 INFO [stderr] 
Dec 14 06:48:17.398 INFO [stderr] warning: private type `syntax::error::ExpectedOneOfButGot` in public interface (error E0446)
Dec 14 06:48:17.398 INFO [stderr]   --> src/syntax/error.rs:13:25
Dec 14 06:48:17.398 INFO [stderr]    |
Dec 14 06:48:17.398 INFO [stderr] 13 |     ExpectedOneOfButGot(ExpectedOneOfButGot),
Dec 14 06:48:17.398 INFO [stderr]    |                         ^^^^^^^^^^^^^^^^^^^
Dec 14 06:48:17.398 INFO [stderr]    |
Dec 14 06:48:17.398 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 14 06:48:17.398 INFO [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
Dec 14 06:48:17.398 INFO [stderr] 
Dec 14 06:48:17.398 INFO [stderr] warning: unreachable pattern
Dec 14 06:48:17.398 INFO [stderr]   --> src/typer_stuff/typertype.rs:52:13
Dec 14 06:48:17.398 INFO [stderr]    |
Dec 14 06:48:17.398 INFO [stderr] 52 |             _ => unimplemented!(),
Dec 14 06:48:17.398 INFO [stderr]    |             ^
Dec 14 06:48:17.398 INFO [stderr]    |
Dec 14 06:48:17.398 INFO [stderr]    = note: #[warn(unreachable_patterns)] on by default
Dec 14 06:48:17.398 INFO [stderr] 
Dec 14 06:48:17.398 INFO [stderr] warning: unused variable: `assign_operator`
Dec 14 06:48:17.398 INFO [stderr]   --> src/syntax/parser.rs:70:9
Dec 14 06:48:17.398 INFO [stderr]    |
Dec 14 06:48:17.398 INFO [stderr] 70 |     let assign_operator = expect(tokens, TokenType::Assign)?;
Dec 14 06:48:17.398 INFO [stderr]    |         ^^^^^^^^^^^^^^^ help: consider using `_assign_operator` instead
Dec 14 06:48:17.398 INFO [stderr]    |
Dec 14 06:48:17.398 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 06:48:17.398 INFO [stderr] 
Dec 14 06:48:17.398 INFO [stderr] warning: unused variable: `semicolon`
Dec 14 06:48:17.398 INFO [stderr]   --> src/syntax/parser.rs:72:9
Dec 14 06:48:17.398 INFO [stderr]    |
Dec 14 06:48:17.398 INFO [stderr] 72 |     let semicolon = expect(tokens, TokenType::Semicolon)?;
Dec 14 06:48:17.398 INFO [stderr]    |         ^^^^^^^^^ help: consider using `_semicolon` instead
Dec 14 06:48:17.398 INFO [stderr] 
Dec 14 06:48:17.398 INFO [stderr] warning: unused variable: `location`
Dec 14 06:48:17.398 INFO [stderr]   --> src/typer.rs:66:63
Dec 14 06:48:17.398 INFO [stderr]    |
Dec 14 06:48:17.398 INFO [stderr] 66 |     fn check_return_statement(&mut self, interp: &mut Interp, location: Location, return_stmt: ReturnStatement) {
Dec 14 06:48:17.398 INFO [stderr]    |                                                               ^^^^^^^^ help: consider using `_location` instead
Dec 14 06:48:17.398 INFO [stderr] 
Dec 14 06:48:17.398 INFO [stderr] warning: unused variable: `interp`
Dec 14 06:48:17.398 INFO [stderr]   --> src/typer.rs:75:9
Dec 14 06:48:17.398 INFO [stderr]    |
Dec 14 06:48:17.398 INFO [stderr] 75 |         interp: &mut Interp,
Dec 14 06:48:17.398 INFO [stderr]    |         ^^^^^^ help: consider using `_interp` instead
Dec 14 06:48:17.398 INFO [stderr] 
Dec 14 06:48:17.398 INFO [stderr] warning: unused variable: `location`
Dec 14 06:48:17.398 INFO [stderr]   --> src/typer.rs:76:9
Dec 14 06:48:17.398 INFO [stderr]    |
Dec 14 06:48:17.398 INFO [stderr] 76 |         location: Location,
Dec 14 06:48:17.398 INFO [stderr]    |         ^^^^^^^^ help: consider using `_location` instead
Dec 14 06:48:17.398 INFO [stderr] 
Dec 14 06:48:17.398 INFO [stderr] warning: unused variable: `location`
Dec 14 06:48:17.398 INFO [stderr]   --> src/typer.rs:97:9
Dec 14 06:48:17.398 INFO [stderr]    |
Dec 14 06:48:17.398 INFO [stderr] 97 |         location: Location,
Dec 14 06:48:17.398 INFO [stderr]    |         ^^^^^^^^ help: consider using `_location` instead
Dec 14 06:48:17.398 INFO [stderr] 
Dec 14 06:48:17.466 INFO [stderr] warning: variant is never constructed: `Declaration`
Dec 14 06:48:17.466 INFO [stderr]   --> src/syntax/ast.rs:18:5
Dec 14 06:48:17.466 INFO [stderr]    |
Dec 14 06:48:17.466 INFO [stderr] 18 |     Declaration { lhs: Expression, ttype: Type },
Dec 14 06:48:17.466 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:48:17.466 INFO [stderr]    |
Dec 14 06:48:17.466 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 14 06:48:17.466 INFO [stderr] 
Dec 14 06:48:17.466 INFO [stderr] warning: variant is never constructed: `BinaryOpExpr`
Dec 14 06:48:17.466 INFO [stderr]   --> src/syntax/ast.rs:64:5
Dec 14 06:48:17.466 INFO [stderr]    |
Dec 14 06:48:17.466 INFO [stderr] 64 | /     BinaryOpExpr {
Dec 14 06:48:17.466 INFO [stderr] 65 | |         operator: BinaryOperator,
Dec 14 06:48:17.466 INFO [stderr] 66 | |         a: Box<Expression>,
Dec 14 06:48:17.466 INFO [stderr] 67 | |         b: Box<Expression>,
Dec 14 06:48:17.466 INFO [stderr] 68 | |     },
Dec 14 06:48:17.466 INFO [stderr]    | |_____^
Dec 14 06:48:17.466 INFO [stderr] 
Dec 14 06:48:17.466 INFO [stderr] warning: variant is never constructed: `UnaryOpExpr`
Dec 14 06:48:17.466 INFO [stderr]   --> src/syntax/ast.rs:69:5
Dec 14 06:48:17.466 INFO [stderr]    |
Dec 14 06:48:17.466 INFO [stderr] 69 | /     UnaryOpExpr {
Dec 14 06:48:17.466 INFO [stderr] 70 | |         operator: BinaryOperator,
Dec 14 06:48:17.466 INFO [stderr] 71 | |         expr: Box<Expression>,
Dec 14 06:48:17.466 INFO [stderr] 72 | |     },
Dec 14 06:48:17.466 INFO [stderr]    | |_____^
Dec 14 06:48:17.467 INFO [stderr] 
Dec 14 06:48:17.467 INFO [stderr] warning: variant is never constructed: `Plus`
Dec 14 06:48:17.467 INFO [stderr]    --> src/syntax/ast.rs:114:5
Dec 14 06:48:17.467 INFO [stderr]     |
Dec 14 06:48:17.467 INFO [stderr] 114 |     Plus,
Dec 14 06:48:17.467 INFO [stderr]     |     ^^^^
Dec 14 06:48:17.467 INFO [stderr] 
Dec 14 06:48:17.467 INFO [stderr] warning: variant is never constructed: `Minus`
Dec 14 06:48:17.467 INFO [stderr]    --> src/syntax/ast.rs:115:5
Dec 14 06:48:17.467 INFO [stderr]     |
Dec 14 06:48:17.467 INFO [stderr] 115 |     Minus,
Dec 14 06:48:17.467 INFO [stderr]     |     ^^^^^
Dec 14 06:48:17.467 INFO [stderr] 
Dec 14 06:48:17.467 INFO [stderr] warning: variant is never constructed: `Divide`
Dec 14 06:48:17.467 INFO [stderr]    --> src/syntax/ast.rs:116:5
Dec 14 06:48:17.467 INFO [stderr]     |
Dec 14 06:48:17.467 INFO [stderr] 116 |     Divide,
Dec 14 06:48:17.467 INFO [stderr]     |     ^^^^^^
Dec 14 06:48:17.467 INFO [stderr] 
Dec 14 06:48:17.467 INFO [stderr] warning: variant is never constructed: `Multiply`
Dec 14 06:48:17.467 INFO [stderr]    --> src/syntax/ast.rs:117:5
Dec 14 06:48:17.467 INFO [stderr]     |
Dec 14 06:48:17.467 INFO [stderr] 117 |     Multiply,
Dec 14 06:48:17.467 INFO [stderr]     |     ^^^^^^^^
Dec 14 06:48:17.467 INFO [stderr] 
Dec 14 06:48:17.467 INFO [stderr] warning: variant is never constructed: `FunctionKeyword`
Dec 14 06:48:17.467 INFO [stderr]   --> src/syntax/atoms/token_type.rs:26:5
Dec 14 06:48:17.467 INFO [stderr]    |
Dec 14 06:48:17.467 INFO [stderr] 26 |     FunctionKeyword,
Dec 14 06:48:17.467 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 14 06:48:17.467 INFO [stderr] 
Dec 14 06:48:17.467 INFO [stderr] warning: method is never used: `undeclared_identifier`
Dec 14 06:48:17.467 INFO [stderr]   --> src/syntax/error.rs:64:5
Dec 14 06:48:17.467 INFO [stderr]    |
Dec 14 06:48:17.467 INFO [stderr] 64 |     pub fn undeclared_identifier(identifier: Token) -> Error {
Dec 14 06:48:17.467 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:48:17.467 INFO [stderr] 
Dec 14 06:48:17.467 INFO [stderr] warning: field is never used: `scope_stack`
Dec 14 06:48:17.467 INFO [stderr]   --> src/typer.rs:13:5
Dec 14 06:48:17.467 INFO [stderr]    |
Dec 14 06:48:17.467 INFO [stderr] 13 |     scope_stack: Vec<ScopeId>,
Dec 14 06:48:17.467 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:48:17.467 INFO [stderr] 
Dec 14 06:48:17.467 INFO [stderr] warning: method is never used: `location_defined`
Dec 14 06:48:17.467 INFO [stderr]   --> src/typer_stuff/binding.rs:24:5
Dec 14 06:48:17.467 INFO [stderr]    |
Dec 14 06:48:17.467 INFO [stderr] 24 |     pub fn location_defined(&self) -> Location {
Dec 14 06:48:17.467 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:48:17.467 INFO [stderr] 
Dec 14 06:48:18.283 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.98s
Dec 14 06:48:18.287 INFO [stderr] su: No module specific data is present
Dec 14 06:48:18.604 INFO running `"docker" "inspect" "67f42c832c4c710fc80b0c3b5deb8330ce416e0d6a132f3b189d1e1c9306fcbf"`
Dec 14 06:48:18.696 INFO running `"docker" "rm" "-f" "67f42c832c4c710fc80b0c3b5deb8330ce416e0d6a132f3b189d1e1c9306fcbf"`
Dec 14 06:48:18.810 INFO [stdout] 67f42c832c4c710fc80b0c3b5deb8330ce416e0d6a132f3b189d1e1c9306fcbf
Dec 14 06:48:18.813 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 14 06:48:19.020 INFO [stdout] b87f1411b7678a3c85db8da1184de03358d4bd7cd1ffd4ba6389e2e68ca070e9
Dec 14 06:48:19.025 INFO running `"docker" "start" "-a" "b87f1411b7678a3c85db8da1184de03358d4bd7cd1ffd4ba6389e2e68ca070e9"`
Dec 14 06:48:19.503 INFO [stderr] usermod: no changes
Dec 14 06:48:19.540 INFO [stderr]    Compiling mayim v0.1.0 (/source)
Dec 14 06:48:20.014 INFO [stderr] warning: unused import: `mayim_arena::Arena`
Dec 14 06:48:20.015 INFO [stderr]  --> src/typer_stuff/typertype.rs:2:5
Dec 14 06:48:20.015 INFO [stderr]   |
Dec 14 06:48:20.015 INFO [stderr] 2 | use mayim_arena::Arena;
Dec 14 06:48:20.015 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 14 06:48:20.015 INFO [stderr]   |
Dec 14 06:48:20.015 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 06:48:20.015 INFO [stderr] 
Dec 14 06:48:20.245 INFO [stderr] warning: private type `syntax::error::AssignToConstantBinding` in public interface (error E0446)
Dec 14 06:48:20.245 INFO [stderr]   --> src/syntax/error.rs:10:29
Dec 14 06:48:20.245 INFO [stderr]    |
Dec 14 06:48:20.245 INFO [stderr] 10 |     AssignToConstantBinding(AssignToConstantBinding),
Dec 14 06:48:20.245 INFO [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:48:20.245 INFO [stderr]    |
Dec 14 06:48:20.245 INFO [stderr]    = note: #[warn(private_in_public)] on by default
Dec 14 06:48:20.245 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 14 06:48:20.245 INFO [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
Dec 14 06:48:20.245 INFO [stderr] 
Dec 14 06:48:20.245 INFO [stderr] warning: private type `syntax::error::BindingAlreadyExists` in public interface (error E0446)
Dec 14 06:48:20.245 INFO [stderr]   --> src/syntax/error.rs:11:26
Dec 14 06:48:20.245 INFO [stderr]    |
Dec 14 06:48:20.245 INFO [stderr] 11 |     BindingAlreadyExists(BindingAlreadyExists),
Dec 14 06:48:20.245 INFO [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^
Dec 14 06:48:20.245 INFO [stderr]    |
Dec 14 06:48:20.245 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 14 06:48:20.245 INFO [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
Dec 14 06:48:20.245 INFO [stderr] 
Dec 14 06:48:20.245 INFO [stderr] warning: private type `syntax::error::ExpectedButGot` in public interface (error E0446)
Dec 14 06:48:20.245 INFO [stderr]   --> src/syntax/error.rs:12:20
Dec 14 06:48:20.245 INFO [stderr]    |
Dec 14 06:48:20.245 INFO [stderr] 12 |     ExpectedButGot(ExpectedButGot),
Dec 14 06:48:20.245 INFO [stderr]    |                    ^^^^^^^^^^^^^^
Dec 14 06:48:20.245 INFO [stderr]    |
Dec 14 06:48:20.245 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 14 06:48:20.245 INFO [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
Dec 14 06:48:20.245 INFO [stderr] 
Dec 14 06:48:20.245 INFO [stderr] warning: private type `syntax::error::ExpectedOneOfButGot` in public interface (error E0446)
Dec 14 06:48:20.245 INFO [stderr]   --> src/syntax/error.rs:13:25
Dec 14 06:48:20.245 INFO [stderr]    |
Dec 14 06:48:20.245 INFO [stderr] 13 |     ExpectedOneOfButGot(ExpectedOneOfButGot),
Dec 14 06:48:20.245 INFO [stderr]    |                         ^^^^^^^^^^^^^^^^^^^
Dec 14 06:48:20.245 INFO [stderr]    |
Dec 14 06:48:20.245 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 14 06:48:20.245 INFO [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
Dec 14 06:48:20.245 INFO [stderr] 
Dec 14 06:48:20.248 INFO [stderr] warning: unreachable pattern
Dec 14 06:48:20.248 INFO [stderr]   --> src/typer_stuff/typertype.rs:52:13
Dec 14 06:48:20.248 INFO [stderr]    |
Dec 14 06:48:20.248 INFO [stderr] 52 |             _ => unimplemented!(),
Dec 14 06:48:20.248 INFO [stderr]    |             ^
Dec 14 06:48:20.248 INFO [stderr]    |
Dec 14 06:48:20.248 INFO [stderr]    = note: #[warn(unreachable_patterns)] on by default
Dec 14 06:48:20.248 INFO [stderr] 
Dec 14 06:48:20.249 INFO [stderr] warning: unused variable: `assign_operator`
Dec 14 06:48:20.249 INFO [stderr]   --> src/syntax/parser.rs:70:9
Dec 14 06:48:20.250 INFO [stderr]    |
Dec 14 06:48:20.250 INFO [stderr] 70 |     let assign_operator = expect(tokens, TokenType::Assign)?;
Dec 14 06:48:20.250 INFO [stderr]    |         ^^^^^^^^^^^^^^^ help: consider using `_assign_operator` instead
Dec 14 06:48:20.250 INFO [stderr]    |
Dec 14 06:48:20.250 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 06:48:20.250 INFO [stderr] 
Dec 14 06:48:20.250 INFO [stderr] warning: unused variable: `semicolon`
Dec 14 06:48:20.250 INFO [stderr]   --> src/syntax/parser.rs:72:9
Dec 14 06:48:20.250 INFO [stderr]    |
Dec 14 06:48:20.250 INFO [stderr] 72 |     let semicolon = expect(tokens, TokenType::Semicolon)?;
Dec 14 06:48:20.250 INFO [stderr]    |         ^^^^^^^^^ help: consider using `_semicolon` instead
Dec 14 06:48:20.250 INFO [stderr] 
Dec 14 06:48:20.250 INFO [stderr] warning: unused variable: `location`
Dec 14 06:48:20.250 INFO [stderr]   --> src/typer.rs:66:63
Dec 14 06:48:20.250 INFO [stderr]    |
Dec 14 06:48:20.250 INFO [stderr] 66 |     fn check_return_statement(&mut self, interp: &mut Interp, location: Location, return_stmt: ReturnStatement) {
Dec 14 06:48:20.250 INFO [stderr]    |                                                               ^^^^^^^^ help: consider using `_location` instead
Dec 14 06:48:20.250 INFO [stderr] 
Dec 14 06:48:20.250 INFO [stderr] warning: unused variable: `interp`
Dec 14 06:48:20.250 INFO [stderr]   --> src/typer.rs:75:9
Dec 14 06:48:20.250 INFO [stderr]    |
Dec 14 06:48:20.250 INFO [stderr] 75 |         interp: &mut Interp,
Dec 14 06:48:20.250 INFO [stderr]    |         ^^^^^^ help: consider using `_interp` instead
Dec 14 06:48:20.250 INFO [stderr] 
Dec 14 06:48:20.250 INFO [stderr] warning: unused variable: `location`
Dec 14 06:48:20.250 INFO [stderr]   --> src/typer.rs:76:9
Dec 14 06:48:20.250 INFO [stderr]    |
Dec 14 06:48:20.250 INFO [stderr] 76 |         location: Location,
Dec 14 06:48:20.250 INFO [stderr]    |         ^^^^^^^^ help: consider using `_location` instead
Dec 14 06:48:20.250 INFO [stderr] 
Dec 14 06:48:20.250 INFO [stderr] warning: unused variable: `location`
Dec 14 06:48:20.250 INFO [stderr]   --> src/typer.rs:97:9
Dec 14 06:48:20.251 INFO [stderr]    |
Dec 14 06:48:20.251 INFO [stderr] 97 |         location: Location,
Dec 14 06:48:20.251 INFO [stderr]    |         ^^^^^^^^ help: consider using `_location` instead
Dec 14 06:48:20.251 INFO [stderr] 
Dec 14 06:48:20.361 INFO [stderr] warning: variant is never constructed: `Declaration`
Dec 14 06:48:20.361 INFO [stderr]   --> src/syntax/ast.rs:18:5
Dec 14 06:48:20.361 INFO [stderr]    |
Dec 14 06:48:20.361 INFO [stderr] 18 |     Declaration { lhs: Expression, ttype: Type },
Dec 14 06:48:20.361 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:48:20.361 INFO [stderr]    |
Dec 14 06:48:20.361 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 14 06:48:20.361 INFO [stderr] 
Dec 14 06:48:20.361 INFO [stderr] warning: variant is never constructed: `BinaryOpExpr`
Dec 14 06:48:20.361 INFO [stderr]   --> src/syntax/ast.rs:64:5
Dec 14 06:48:20.361 INFO [stderr]    |
Dec 14 06:48:20.361 INFO [stderr] 64 | /     BinaryOpExpr {
Dec 14 06:48:20.361 INFO [stderr] 65 | |         operator: BinaryOperator,
Dec 14 06:48:20.361 INFO [stderr] 66 | |         a: Box<Expression>,
Dec 14 06:48:20.361 INFO [stderr] 67 | |         b: Box<Expression>,
Dec 14 06:48:20.361 INFO [stderr] 68 | |     },
Dec 14 06:48:20.361 INFO [stderr]    | |_____^
Dec 14 06:48:20.361 INFO [stderr] 
Dec 14 06:48:20.361 INFO [stderr] warning: variant is never constructed: `UnaryOpExpr`
Dec 14 06:48:20.361 INFO [stderr]   --> src/syntax/ast.rs:69:5
Dec 14 06:48:20.361 INFO [stderr]    |
Dec 14 06:48:20.361 INFO [stderr] 69 | /     UnaryOpExpr {
Dec 14 06:48:20.361 INFO [stderr] 70 | |         operator: BinaryOperator,
Dec 14 06:48:20.361 INFO [stderr] 71 | |         expr: Box<Expression>,
Dec 14 06:48:20.361 INFO [stderr] 72 | |     },
Dec 14 06:48:20.361 INFO [stderr]    | |_____^
Dec 14 06:48:20.361 INFO [stderr] 
Dec 14 06:48:20.361 INFO [stderr] warning: variant is never constructed: `Plus`
Dec 14 06:48:20.361 INFO [stderr]    --> src/syntax/ast.rs:114:5
Dec 14 06:48:20.361 INFO [stderr]     |
Dec 14 06:48:20.361 INFO [stderr] 114 |     Plus,
Dec 14 06:48:20.361 INFO [stderr]     |     ^^^^
Dec 14 06:48:20.361 INFO [stderr] 
Dec 14 06:48:20.361 INFO [stderr] warning: variant is never constructed: `Minus`
Dec 14 06:48:20.361 INFO [stderr]    --> src/syntax/ast.rs:115:5
Dec 14 06:48:20.361 INFO [stderr]     |
Dec 14 06:48:20.361 INFO [stderr] 115 |     Minus,
Dec 14 06:48:20.361 INFO [stderr]     |     ^^^^^
Dec 14 06:48:20.361 INFO [stderr] 
Dec 14 06:48:20.361 INFO [stderr] warning: variant is never constructed: `Divide`
Dec 14 06:48:20.361 INFO [stderr]    --> src/syntax/ast.rs:116:5
Dec 14 06:48:20.361 INFO [stderr]     |
Dec 14 06:48:20.361 INFO [stderr] 116 |     Divide,
Dec 14 06:48:20.361 INFO [stderr]     |     ^^^^^^
Dec 14 06:48:20.361 INFO [stderr] 
Dec 14 06:48:20.361 INFO [stderr] warning: variant is never constructed: `Multiply`
Dec 14 06:48:20.361 INFO [stderr]    --> src/syntax/ast.rs:117:5
Dec 14 06:48:20.361 INFO [stderr]     |
Dec 14 06:48:20.361 INFO [stderr] 117 |     Multiply,
Dec 14 06:48:20.361 INFO [stderr]     |     ^^^^^^^^
Dec 14 06:48:20.361 INFO [stderr] 
Dec 14 06:48:20.361 INFO [stderr] warning: variant is never constructed: `FunctionKeyword`
Dec 14 06:48:20.361 INFO [stderr]   --> src/syntax/atoms/token_type.rs:26:5
Dec 14 06:48:20.361 INFO [stderr]    |
Dec 14 06:48:20.361 INFO [stderr] 26 |     FunctionKeyword,
Dec 14 06:48:20.361 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 14 06:48:20.361 INFO [stderr] 
Dec 14 06:48:20.361 INFO [stderr] warning: method is never used: `undeclared_identifier`
Dec 14 06:48:20.361 INFO [stderr]   --> src/syntax/error.rs:64:5
Dec 14 06:48:20.361 INFO [stderr]    |
Dec 14 06:48:20.361 INFO [stderr] 64 |     pub fn undeclared_identifier(identifier: Token) -> Error {
Dec 14 06:48:20.361 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:48:20.361 INFO [stderr] 
Dec 14 06:48:20.361 INFO [stderr] warning: field is never used: `scope_stack`
Dec 14 06:48:20.361 INFO [stderr]   --> src/typer.rs:13:5
Dec 14 06:48:20.361 INFO [stderr]    |
Dec 14 06:48:20.361 INFO [stderr] 13 |     scope_stack: Vec<ScopeId>,
Dec 14 06:48:20.361 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:48:20.361 INFO [stderr] 
Dec 14 06:48:20.361 INFO [stderr] warning: method is never used: `location_defined`
Dec 14 06:48:20.361 INFO [stderr]   --> src/typer_stuff/binding.rs:24:5
Dec 14 06:48:20.361 INFO [stderr]    |
Dec 14 06:48:20.361 INFO [stderr] 24 |     pub fn location_defined(&self) -> Location {
Dec 14 06:48:20.361 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:48:20.361 INFO [stderr] 
Dec 14 06:48:20.600 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
Dec 14 06:48:20.602 INFO [stderr] su: No module specific data is present
Dec 14 06:48:20.900 INFO running `"docker" "inspect" "b87f1411b7678a3c85db8da1184de03358d4bd7cd1ffd4ba6389e2e68ca070e9"`
Dec 14 06:48:21.012 INFO running `"docker" "rm" "-f" "b87f1411b7678a3c85db8da1184de03358d4bd7cd1ffd4ba6389e2e68ca070e9"`
Dec 14 06:48:21.087 INFO [stdout] b87f1411b7678a3c85db8da1184de03358d4bd7cd1ffd4ba6389e2e68ca070e9
Dec 14 06:48:21.089 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 14 06:48:21.290 INFO [stdout] b6976b325f19cc0c56eed544fa7f5ece2bc2194406bf17c3c7f78dde87a3fc1e
Dec 14 06:48:21.292 INFO running `"docker" "start" "-a" "b6976b325f19cc0c56eed544fa7f5ece2bc2194406bf17c3c7f78dde87a3fc1e"`
Dec 14 06:48:21.815 INFO [stderr] usermod: no changes
Dec 14 06:48:21.841 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 14 06:48:21.842 INFO [stderr]      Running /target/debug/deps/mayim-1bb06335677ab661
Dec 14 06:48:21.847 INFO [stdout] 
Dec 14 06:48:21.847 INFO [stdout] running 0 tests
Dec 14 06:48:21.847 INFO [stdout] 
Dec 14 06:48:21.847 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 06:48:21.847 INFO [stdout] 
Dec 14 06:48:21.851 INFO [stderr] su: No module specific data is present
Dec 14 06:48:22.268 INFO running `"docker" "inspect" "b6976b325f19cc0c56eed544fa7f5ece2bc2194406bf17c3c7f78dde87a3fc1e"`
Dec 14 06:48:22.352 INFO running `"docker" "rm" "-f" "b6976b325f19cc0c56eed544fa7f5ece2bc2194406bf17c3c7f78dde87a3fc1e"`
Dec 14 06:48:22.471 INFO [stdout] b6976b325f19cc0c56eed544fa7f5ece2bc2194406bf17c3c7f78dde87a3fc1e