[INFO] updating cached repository https://github.com/BenJilks/FunctionScript
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 51a9d381c8fdda79b505f8bcdc98b089ae6366df
[INFO] checking BenJilks/FunctionScript against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenJilks%2FFunctionScript" "work/builds/worker-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BenJilks/FunctionScript on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/BenJilks/FunctionScript
[INFO] finished tweaking git repo https://github.com/BenJilks/FunctionScript
[INFO] tweaked toml for git repo https://github.com/BenJilks/FunctionScript written to work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/BenJilks/FunctionScript already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 99de5b16a9d9913bcdae8d3e79c6a2688d6cd8ab9c3a2a406e111c320fe16ad0
[INFO] running `"docker" "start" "-a" "99de5b16a9d9913bcdae8d3e79c6a2688d6cd8ab9c3a2a406e111c320fe16ad0"`
[INFO] [stderr]     Checking function_script_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `code`
[INFO] [stderr]    --> src/expression.rs:130:24
[INFO] [stderr]     |
[INFO] [stderr] 130 |     fn push_var(&self, code: &mut CodeGen)
[INFO] [stderr]     |                        ^^^^ help: consider prefixing with an underscore: `_code`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `code`
[INFO] [stderr]    --> src/expression.rs:135:28
[INFO] [stderr]     |
[INFO] [stderr] 135 |     fn push_var_loc(&self, code: &mut CodeGen)
[INFO] [stderr]     |                            ^^^^ help: consider prefixing with an underscore: `_code`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/symbol.rs:105:13
[INFO] [stderr]     |
[INFO] [stderr] 105 |         for i in 0..size
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `symb`
[INFO] [stderr]    --> src/symbol.rs:107:17
[INFO] [stderr]     |
[INFO] [stderr] 107 |             let symb = self.symbols.pop();
[INFO] [stderr]     |                 ^^^^ help: consider prefixing with an underscore: `_symb`
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SYMBOL_FUNCTION`
[INFO] [stderr]  --> src/symbol.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | const SYMBOL_FUNCTION: u32 = 0b10;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SYMBOL_TYPE`
[INFO] [stderr]  --> src/symbol.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | const SYMBOL_TYPE:     u32 = 0b01;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `SymbolType`
[INFO] [stderr]  --> src/symbol.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct SymbolType
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Symbol`
[INFO] [stderr]   --> src/symbol.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct Symbol
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `SymbolTable`
[INFO] [stderr]   --> src/symbol.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub struct SymbolTable
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/symbol.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn new(name: String) -> Self
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/symbol.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn new(name: String, type_flags: i32, symb_type: Box<SymbolType>) -> Self
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_type`
[INFO] [stderr]   --> src/symbol.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn is_type(&self, type_flags: i32) -> bool
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/symbol.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub fn new() -> Self
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_type`
[INFO] [stderr]   --> src/symbol.rs:70:5
[INFO] [stderr]    |
[INFO] [stderr] 70 |     pub fn new_type(&mut self, name: String)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_type`
[INFO] [stderr]   --> src/symbol.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub fn get_type(&mut self, name: String) -> Option<&SymbolType>
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `push_symbol`
[INFO] [stderr]   --> src/symbol.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 |     pub fn push_symbol(&mut self, name: String, type_flags: i32, symb_type: Box<SymbolType>)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `push_scope`
[INFO] [stderr]   --> src/symbol.rs:96:5
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn push_scope(&mut self)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pop_scope`
[INFO] [stderr]    --> src/symbol.rs:101:5
[INFO] [stderr]     |
[INFO] [stderr] 101 |     pub fn pop_scope(&mut self)
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `code`
[INFO] [stderr]    --> src/expression.rs:130:24
[INFO] [stderr]     |
[INFO] [stderr] 130 |     fn push_var(&self, code: &mut CodeGen)
[INFO] [stderr]     |                        ^^^^ help: consider prefixing with an underscore: `_code`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `code`
[INFO] [stderr]    --> src/expression.rs:135:28
[INFO] [stderr]     |
[INFO] [stderr] 135 |     fn push_var_loc(&self, code: &mut CodeGen)
[INFO] [stderr]     |                            ^^^^ help: consider prefixing with an underscore: `_code`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/symbol.rs:105:13
[INFO] [stderr]     |
[INFO] [stderr] 105 |         for i in 0..size
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `symb`
[INFO] [stderr]    --> src/symbol.rs:107:17
[INFO] [stderr]     |
[INFO] [stderr] 107 |             let symb = self.symbols.pop();
[INFO] [stderr]     |                 ^^^^ help: consider prefixing with an underscore: `_symb`
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SYMBOL_FUNCTION`
[INFO] [stderr]  --> src/symbol.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | const SYMBOL_FUNCTION: u32 = 0b10;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SYMBOL_TYPE`
[INFO] [stderr]  --> src/symbol.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | const SYMBOL_TYPE:     u32 = 0b01;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `SymbolType`
[INFO] [stderr]  --> src/symbol.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct SymbolType
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Symbol`
[INFO] [stderr]   --> src/symbol.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct Symbol
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `SymbolTable`
[INFO] [stderr]   --> src/symbol.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub struct SymbolTable
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/symbol.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn new(name: String) -> Self
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/symbol.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn new(name: String, type_flags: i32, symb_type: Box<SymbolType>) -> Self
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_type`
[INFO] [stderr]   --> src/symbol.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn is_type(&self, type_flags: i32) -> bool
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/symbol.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub fn new() -> Self
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_type`
[INFO] [stderr]   --> src/symbol.rs:70:5
[INFO] [stderr]    |
[INFO] [stderr] 70 |     pub fn new_type(&mut self, name: String)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_type`
[INFO] [stderr]   --> src/symbol.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub fn get_type(&mut self, name: String) -> Option<&SymbolType>
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `push_symbol`
[INFO] [stderr]   --> src/symbol.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 |     pub fn push_symbol(&mut self, name: String, type_flags: i32, symb_type: Box<SymbolType>)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `push_scope`
[INFO] [stderr]   --> src/symbol.rs:96:5
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn push_scope(&mut self)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pop_scope`
[INFO] [stderr]    --> src/symbol.rs:101:5
[INFO] [stderr]     |
[INFO] [stderr] 101 |     pub fn pop_scope(&mut self)
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `"docker" "inspect" "99de5b16a9d9913bcdae8d3e79c6a2688d6cd8ab9c3a2a406e111c320fe16ad0"`
[INFO] running `"docker" "rm" "-f" "99de5b16a9d9913bcdae8d3e79c6a2688d6cd8ab9c3a2a406e111c320fe16ad0"`
[INFO] [stdout] 99de5b16a9d9913bcdae8d3e79c6a2688d6cd8ab9c3a2a406e111c320fe16ad0