Nov 27 20:44:21.802 INFO checking semrov/ProteusCompiler against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 27 20:44:21.802 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-4/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-alt check --frozen --all --all-targets" "-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"`
Nov 27 20:44:22.300 INFO [stdout] 26a2d370b9e7ab5691571334690a10766cdaf4008e01c1e20130e42d5a950eac
Nov 27 20:44:22.302 INFO running `"docker" "start" "-a" "26a2d370b9e7ab5691571334690a10766cdaf4008e01c1e20130e42d5a950eac"`
Nov 27 20:44:24.360 INFO [stderr] usermod: no changes
Nov 27 20:44:24.454 INFO [stderr]     Checking proteus_compiler v0.1.0 (/source)
Nov 27 20:44:25.104 INFO [stderr] warning: unused import: `abstree::visitor::Visitor`
Nov 27 20:44:25.104 INFO [stderr]  --> src/synanal/run.rs:6:5
Nov 27 20:44:25.105 INFO [stderr]   |
Nov 27 20:44:25.105 INFO [stderr] 6 | use abstree::visitor::Visitor;
Nov 27 20:44:25.105 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 20:44:25.105 INFO [stderr]   |
Nov 27 20:44:25.105 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 27 20:44:25.105 INFO [stderr] 
Nov 27 20:44:25.105 INFO [stderr] warning: unused import: `lexanal::position::Position`
Nov 27 20:44:25.105 INFO [stderr]   --> src/synanal/mod.rs:10:5
Nov 27 20:44:25.105 INFO [stderr]    |
Nov 27 20:44:25.105 INFO [stderr] 10 | use lexanal::position::Position;
Nov 27 20:44:25.105 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 20:44:25.105 INFO [stderr] 
Nov 27 20:44:25.105 INFO [stderr] warning: unused import: `abstree::abs_position::AbsPosition`
Nov 27 20:44:25.105 INFO [stderr]   --> src/synanal/mod.rs:15:5
Nov 27 20:44:25.105 INFO [stderr]    |
Nov 27 20:44:25.105 INFO [stderr] 15 | use abstree::abs_position::AbsPosition;
Nov 27 20:44:25.105 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 20:44:25.105 INFO [stderr] 
Nov 27 20:44:25.105 INFO [stderr] warning: unused import: `abstree::positioner::Positioner`
Nov 27 20:44:25.105 INFO [stderr]   --> src/synanal/mod.rs:18:5
Nov 27 20:44:25.105 INFO [stderr]    |
Nov 27 20:44:25.105 INFO [stderr] 18 | use abstree::positioner::Positioner;
Nov 27 20:44:25.105 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 20:44:25.105 INFO [stderr] 
Nov 27 20:44:25.125 INFO [stderr] warning: unused import: `lexanal::symbol::Symbol`
Nov 27 20:44:25.125 INFO [stderr]  --> src/abstree/positioner.rs:2:5
Nov 27 20:44:25.125 INFO [stderr]   |
Nov 27 20:44:25.125 INFO [stderr] 2 | use lexanal::symbol::Symbol;
Nov 27 20:44:25.125 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 20:44:25.125 INFO [stderr] 
Nov 27 20:44:25.125 INFO [stderr] warning: unused import: `abstree::AbsTree`
Nov 27 20:44:25.125 INFO [stderr]  --> src/abstree/positioner.rs:3:5
Nov 27 20:44:25.125 INFO [stderr]   |
Nov 27 20:44:25.125 INFO [stderr] 3 | use abstree::AbsTree;
Nov 27 20:44:25.125 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Nov 27 20:44:25.125 INFO [stderr] 
Nov 27 20:44:25.125 INFO [stderr] warning: unused import: `lexanal::symbol::Symbol`
Nov 27 20:44:25.125 INFO [stderr]  --> src/abstree/abs_position.rs:3:5
Nov 27 20:44:25.125 INFO [stderr]   |
Nov 27 20:44:25.125 INFO [stderr] 3 | use lexanal::symbol::Symbol;
Nov 27 20:44:25.125 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 20:44:25.125 INFO [stderr] 
Nov 27 20:44:25.125 INFO [stderr] warning: unused import: `abstree::AbsTree`
Nov 27 20:44:25.125 INFO [stderr]  --> src/abstree/abs_position.rs:4:5
Nov 27 20:44:25.125 INFO [stderr]   |
Nov 27 20:44:25.125 INFO [stderr] 4 | use abstree::AbsTree;
Nov 27 20:44:25.125 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Nov 27 20:44:25.125 INFO [stderr] 
Nov 27 20:44:25.125 INFO [stderr] warning: unused import: `AbsDecl`
Nov 27 20:44:25.125 INFO [stderr]  --> src/abstree/abs_expr.rs:3:25
Nov 27 20:44:25.125 INFO [stderr]   |
Nov 27 20:44:25.125 INFO [stderr] 3 | use abstree::abs_decl::{AbsDecl,AbsDecls};
Nov 27 20:44:25.125 INFO [stderr]   |                         ^^^^^^^
Nov 27 20:44:25.125 INFO [stderr] 
Nov 27 20:44:25.125 INFO [stderr] warning: unused import: `lexanal::symbol::Symbol`
Nov 27 20:44:25.125 INFO [stderr]  --> src/abstree/abs_stmt.rs:7:5
Nov 27 20:44:25.125 INFO [stderr]   |
Nov 27 20:44:25.125 INFO [stderr] 7 | use lexanal::symbol::Symbol;
Nov 27 20:44:25.125 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 20:44:25.125 INFO [stderr] 
Nov 27 20:44:25.125 INFO [stderr] warning: unused import: `lexanal::symbol::Symbol`
Nov 27 20:44:25.125 INFO [stderr]  --> src/abstree/abs_decl.rs:7:5
Nov 27 20:44:25.125 INFO [stderr]   |
Nov 27 20:44:25.125 INFO [stderr] 7 | use lexanal::symbol::Symbol;
Nov 27 20:44:25.125 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 20:44:25.125 INFO [stderr] 
Nov 27 20:44:25.125 INFO [stderr] warning: unused import: `lexanal::position::Position`
Nov 27 20:44:25.125 INFO [stderr]   --> src/abstree/print_xml.rs:10:5
Nov 27 20:44:25.125 INFO [stderr]    |
Nov 27 20:44:25.125 INFO [stderr] 10 | use lexanal::position::Position;
Nov 27 20:44:25.125 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 20:44:25.125 INFO [stderr] 
Nov 27 20:44:25.152 INFO [stderr] warning: unused import: `abstree::visitor::Visitor`
Nov 27 20:44:25.152 INFO [stderr]  --> src/synanal/run.rs:6:5
Nov 27 20:44:25.152 INFO [stderr]   |
Nov 27 20:44:25.152 INFO [stderr] 6 | use abstree::visitor::Visitor;
Nov 27 20:44:25.152 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 20:44:25.152 INFO [stderr]   |
Nov 27 20:44:25.152 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 27 20:44:25.152 INFO [stderr] 
Nov 27 20:44:25.153 INFO [stderr] warning: unused import: `lexanal::position::Position`
Nov 27 20:44:25.153 INFO [stderr]   --> src/synanal/mod.rs:10:5
Nov 27 20:44:25.153 INFO [stderr]    |
Nov 27 20:44:25.153 INFO [stderr] 10 | use lexanal::position::Position;
Nov 27 20:44:25.153 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 20:44:25.153 INFO [stderr] 
Nov 27 20:44:25.153 INFO [stderr] warning: unused import: `abstree::abs_position::AbsPosition`
Nov 27 20:44:25.153 INFO [stderr]   --> src/synanal/mod.rs:15:5
Nov 27 20:44:25.153 INFO [stderr]    |
Nov 27 20:44:25.153 INFO [stderr] 15 | use abstree::abs_position::AbsPosition;
Nov 27 20:44:25.153 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 20:44:25.153 INFO [stderr] 
Nov 27 20:44:25.153 INFO [stderr] warning: unused import: `abstree::positioner::Positioner`
Nov 27 20:44:25.153 INFO [stderr]   --> src/synanal/mod.rs:18:5
Nov 27 20:44:25.153 INFO [stderr]    |
Nov 27 20:44:25.153 INFO [stderr] 18 | use abstree::positioner::Positioner;
Nov 27 20:44:25.153 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 20:44:25.153 INFO [stderr] 
Nov 27 20:44:25.153 INFO [stderr] warning: unused import: `lexanal::symbol::Symbol`
Nov 27 20:44:25.153 INFO [stderr]  --> src/abstree/positioner.rs:2:5
Nov 27 20:44:25.153 INFO [stderr]   |
Nov 27 20:44:25.153 INFO [stderr] 2 | use lexanal::symbol::Symbol;
Nov 27 20:44:25.153 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 20:44:25.153 INFO [stderr] 
Nov 27 20:44:25.153 INFO [stderr] warning: unused import: `abstree::AbsTree`
Nov 27 20:44:25.153 INFO [stderr]  --> src/abstree/positioner.rs:3:5
Nov 27 20:44:25.153 INFO [stderr]   |
Nov 27 20:44:25.154 INFO [stderr] 3 | use abstree::AbsTree;
Nov 27 20:44:25.154 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Nov 27 20:44:25.154 INFO [stderr] 
Nov 27 20:44:25.154 INFO [stderr] warning: unused import: `lexanal::symbol::Symbol`
Nov 27 20:44:25.154 INFO [stderr]  --> src/abstree/abs_position.rs:3:5
Nov 27 20:44:25.154 INFO [stderr]   |
Nov 27 20:44:25.154 INFO [stderr] 3 | use lexanal::symbol::Symbol;
Nov 27 20:44:25.154 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 20:44:25.154 INFO [stderr] 
Nov 27 20:44:25.154 INFO [stderr] warning: unused import: `abstree::AbsTree`
Nov 27 20:44:25.154 INFO [stderr]  --> src/abstree/abs_position.rs:4:5
Nov 27 20:44:25.154 INFO [stderr]   |
Nov 27 20:44:25.154 INFO [stderr] 4 | use abstree::AbsTree;
Nov 27 20:44:25.154 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Nov 27 20:44:25.154 INFO [stderr] 
Nov 27 20:44:25.155 INFO [stderr] warning: unused import: `AbsDecl`
Nov 27 20:44:25.155 INFO [stderr]  --> src/abstree/abs_expr.rs:3:25
Nov 27 20:44:25.155 INFO [stderr]   |
Nov 27 20:44:25.155 INFO [stderr] 3 | use abstree::abs_decl::{AbsDecl,AbsDecls};
Nov 27 20:44:25.155 INFO [stderr]   |                         ^^^^^^^
Nov 27 20:44:25.155 INFO [stderr] 
Nov 27 20:44:25.155 INFO [stderr] warning: unused import: `lexanal::symbol::Symbol`
Nov 27 20:44:25.155 INFO [stderr]  --> src/abstree/abs_stmt.rs:7:5
Nov 27 20:44:25.155 INFO [stderr]   |
Nov 27 20:44:25.155 INFO [stderr] 7 | use lexanal::symbol::Symbol;
Nov 27 20:44:25.155 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 20:44:25.155 INFO [stderr] 
Nov 27 20:44:25.155 INFO [stderr] warning: unused import: `lexanal::symbol::Symbol`
Nov 27 20:44:25.155 INFO [stderr]  --> src/abstree/abs_decl.rs:7:5
Nov 27 20:44:25.155 INFO [stderr]   |
Nov 27 20:44:25.155 INFO [stderr] 7 | use lexanal::symbol::Symbol;
Nov 27 20:44:25.155 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 20:44:25.155 INFO [stderr] 
Nov 27 20:44:25.155 INFO [stderr] warning: unused import: `lexanal::position::Position`
Nov 27 20:44:25.156 INFO [stderr]   --> src/abstree/print_xml.rs:10:5
Nov 27 20:44:25.156 INFO [stderr]    |
Nov 27 20:44:25.156 INFO [stderr] 10 | use lexanal::position::Position;
Nov 27 20:44:25.156 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 20:44:25.156 INFO [stderr] 
Nov 27 20:44:26.068 INFO [stderr] warning: unused variable: `fun_symbol`
Nov 27 20:44:26.068 INFO [stderr]    --> src/synanal/mod.rs:744:13
Nov 27 20:44:26.068 INFO [stderr]     |
Nov 27 20:44:26.068 INFO [stderr] 744 |         let fun_symbol = self.skip(Token::FUN)?;
Nov 27 20:44:26.068 INFO [stderr]     |             ^^^^^^^^^^ help: consider using `_fun_symbol` instead
Nov 27 20:44:26.068 INFO [stderr]     |
Nov 27 20:44:26.068 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 27 20:44:26.068 INFO [stderr] 
Nov 27 20:44:26.068 INFO [stderr] warning: unused variable: `var_symbol`
Nov 27 20:44:26.068 INFO [stderr]    --> src/synanal/mod.rs:803:13
Nov 27 20:44:26.068 INFO [stderr]     |
Nov 27 20:44:26.068 INFO [stderr] 803 |         let var_symbol = self.skip(Token::VAR)?;
Nov 27 20:44:26.068 INFO [stderr]     |             ^^^^^^^^^^ help: consider using `_var_symbol` instead
Nov 27 20:44:26.068 INFO [stderr] 
Nov 27 20:44:26.232 INFO [stderr] warning: variable does not need to be mutable
Nov 27 20:44:26.232 INFO [stderr]   --> src/synanal/run.rs:14:9
Nov 27 20:44:26.232 INFO [stderr]    |
Nov 27 20:44:26.232 INFO [stderr] 14 |     let mut abstree_xml_creator : ProteusXmlCreator = match ProteusXmlCreator::open(String::from_str("abstree").unwrap()) {
Nov 27 20:44:26.232 INFO [stderr]    |         ----^^^^^^^^^^^^^^^^^^^
Nov 27 20:44:26.232 INFO [stderr]    |         |
Nov 27 20:44:26.232 INFO [stderr]    |         help: remove this `mut`
Nov 27 20:44:26.232 INFO [stderr]    |
Nov 27 20:44:26.232 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 27 20:44:26.232 INFO [stderr] 
Nov 27 20:44:26.232 INFO [stderr] warning: variable does not need to be mutable
Nov 27 20:44:26.232 INFO [stderr]   --> src/synanal/run.rs:22:9
Nov 27 20:44:26.232 INFO [stderr]    |
Nov 27 20:44:26.232 INFO [stderr] 22 |     let mut lexical_analyser = match LexicalAnalyzer::new(program_name) 
Nov 27 20:44:26.232 INFO [stderr]    |         ----^^^^^^^^^^^^^^^^
Nov 27 20:44:26.233 INFO [stderr]    |         |
Nov 27 20:44:26.233 INFO [stderr]    |         help: remove this `mut`
Nov 27 20:44:26.233 INFO [stderr] 
Nov 27 20:44:26.412 INFO [stderr] warning: unused variable: `fun_symbol`
Nov 27 20:44:26.413 INFO [stderr]    --> src/synanal/mod.rs:744:13
Nov 27 20:44:26.413 INFO [stderr]     |
Nov 27 20:44:26.413 INFO [stderr] 744 |         let fun_symbol = self.skip(Token::FUN)?;
Nov 27 20:44:26.413 INFO [stderr]     |             ^^^^^^^^^^ help: consider using `_fun_symbol` instead
Nov 27 20:44:26.413 INFO [stderr]     |
Nov 27 20:44:26.413 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 27 20:44:26.413 INFO [stderr] 
Nov 27 20:44:26.413 INFO [stderr] warning: unused variable: `var_symbol`
Nov 27 20:44:26.413 INFO [stderr]    --> src/synanal/mod.rs:803:13
Nov 27 20:44:26.413 INFO [stderr]     |
Nov 27 20:44:26.413 INFO [stderr] 803 |         let var_symbol = self.skip(Token::VAR)?;
Nov 27 20:44:26.413 INFO [stderr]     |             ^^^^^^^^^^ help: consider using `_var_symbol` instead
Nov 27 20:44:26.413 INFO [stderr] 
Nov 27 20:44:26.679 INFO [stderr] warning: variable does not need to be mutable
Nov 27 20:44:26.680 INFO [stderr]   --> src/synanal/run.rs:14:9
Nov 27 20:44:26.681 INFO [stderr]    |
Nov 27 20:44:26.684 INFO [stderr] 14 |     let mut abstree_xml_creator : ProteusXmlCreator = match ProteusXmlCreator::open(String::from_str("abstree").unwrap()) {
Nov 27 20:44:26.685 INFO [stderr]    |         ----^^^^^^^^^^^^^^^^^^^
Nov 27 20:44:26.685 INFO [stderr]    |         |
Nov 27 20:44:26.685 INFO [stderr]    |         help: remove this `mut`
Nov 27 20:44:26.685 INFO [stderr]    |
Nov 27 20:44:26.686 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 27 20:44:26.686 INFO [stderr] 
Nov 27 20:44:26.686 INFO [stderr] warning: variable does not need to be mutable
Nov 27 20:44:26.686 INFO [stderr]   --> src/synanal/run.rs:22:9
Nov 27 20:44:26.687 INFO [stderr]    |
Nov 27 20:44:26.687 INFO [stderr] 22 |     let mut lexical_analyser = match LexicalAnalyzer::new(program_name) 
Nov 27 20:44:26.687 INFO [stderr]    |         ----^^^^^^^^^^^^^^^^
Nov 27 20:44:26.687 INFO [stderr]    |         |
Nov 27 20:44:26.688 INFO [stderr]    |         help: remove this `mut`
Nov 27 20:44:26.688 INFO [stderr] 
Nov 27 20:44:26.893 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.50s
Nov 27 20:44:26.895 INFO [stderr] su: No module specific data is present
Nov 27 20:44:27.767 INFO running `"docker" "inspect" "26a2d370b9e7ab5691571334690a10766cdaf4008e01c1e20130e42d5a950eac"`
Nov 27 20:44:28.129 INFO running `"docker" "rm" "-f" "26a2d370b9e7ab5691571334690a10766cdaf4008e01c1e20130e42d5a950eac"`
Nov 27 20:44:28.409 INFO [stdout] 26a2d370b9e7ab5691571334690a10766cdaf4008e01c1e20130e42d5a950eac