Oct 12 14:02:26.883 INFO checking semrov/ProteusCompiler against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 14:02:26.883 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-6/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-6/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 12 14:02:27.384 INFO blam! a4741a39a050ffca7959892768448dc9fa99a09e04b190b2dc63d5016f69e3f3
Oct 12 14:02:27.386 INFO running `"docker" "start" "-a" "a4741a39a050ffca7959892768448dc9fa99a09e04b190b2dc63d5016f69e3f3"`
Oct 12 14:02:29.032 INFO kablam! usermod: no changes
Oct 12 14:02:29.120 INFO kablam!     Checking proteus_compiler v0.1.0 (/source)
Oct 12 14:02:29.653 INFO kablam! warning: unused import: `abstree::visitor::Visitor`
Oct 12 14:02:29.654 INFO kablam!  --> src/synanal/run.rs:6:5
Oct 12 14:02:29.654 INFO kablam!   |
Oct 12 14:02:29.655 INFO kablam! 6 | use abstree::visitor::Visitor;
Oct 12 14:02:29.655 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 14:02:29.655 INFO kablam!   |
Oct 12 14:02:29.655 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 14:02:29.656 INFO kablam! 
Oct 12 14:02:29.656 INFO kablam! warning: unused import: `lexanal::position::Position`
Oct 12 14:02:29.656 INFO kablam!   --> src/synanal/mod.rs:10:5
Oct 12 14:02:29.656 INFO kablam!    |
Oct 12 14:02:29.657 INFO kablam! 10 | use lexanal::position::Position;
Oct 12 14:02:29.657 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 14:02:29.657 INFO kablam! 
Oct 12 14:02:29.657 INFO kablam! warning: unused import: `abstree::abs_position::AbsPosition`
Oct 12 14:02:29.658 INFO kablam!   --> src/synanal/mod.rs:15:5
Oct 12 14:02:29.658 INFO kablam!    |
Oct 12 14:02:29.658 INFO kablam! 15 | use abstree::abs_position::AbsPosition;
Oct 12 14:02:29.658 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 14:02:29.658 INFO kablam! 
Oct 12 14:02:29.659 INFO kablam! warning: unused import: `abstree::positioner::Positioner`
Oct 12 14:02:29.661 INFO kablam!   --> src/synanal/mod.rs:18:5
Oct 12 14:02:29.661 INFO kablam!    |
Oct 12 14:02:29.661 INFO kablam! 18 | use abstree::positioner::Positioner;
Oct 12 14:02:29.661 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 14:02:29.662 INFO kablam! 
Oct 12 14:02:29.662 INFO kablam! warning: unused import: `lexanal::symbol::Symbol`
Oct 12 14:02:29.662 INFO kablam!  --> src/abstree/positioner.rs:2:5
Oct 12 14:02:29.662 INFO kablam!   |
Oct 12 14:02:29.663 INFO kablam! 2 | use lexanal::symbol::Symbol;
Oct 12 14:02:29.663 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 14:02:29.663 INFO kablam! 
Oct 12 14:02:29.663 INFO kablam! warning: unused import: `abstree::AbsTree`
Oct 12 14:02:29.664 INFO kablam!  --> src/abstree/positioner.rs:3:5
Oct 12 14:02:29.664 INFO kablam!   |
Oct 12 14:02:29.664 INFO kablam! 3 | use abstree::AbsTree;
Oct 12 14:02:29.664 INFO kablam!   |     ^^^^^^^^^^^^^^^^
Oct 12 14:02:29.665 INFO kablam! 
Oct 12 14:02:29.665 INFO kablam! warning: unused import: `lexanal::symbol::Symbol`
Oct 12 14:02:29.665 INFO kablam!  --> src/abstree/abs_position.rs:3:5
Oct 12 14:02:29.665 INFO kablam!   |
Oct 12 14:02:29.666 INFO kablam! 3 | use lexanal::symbol::Symbol;
Oct 12 14:02:29.666 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 14:02:29.666 INFO kablam! 
Oct 12 14:02:29.666 INFO kablam! warning: unused import: `abstree::AbsTree`
Oct 12 14:02:29.667 INFO kablam!  --> src/abstree/abs_position.rs:4:5
Oct 12 14:02:29.667 INFO kablam!   |
Oct 12 14:02:29.667 INFO kablam! 4 | use abstree::AbsTree;
Oct 12 14:02:29.667 INFO kablam!   |     ^^^^^^^^^^^^^^^^
Oct 12 14:02:29.667 INFO kablam! 
Oct 12 14:02:29.668 INFO kablam! warning: unused import: `AbsDecl`
Oct 12 14:02:29.668 INFO kablam!  --> src/abstree/abs_expr.rs:3:25
Oct 12 14:02:29.668 INFO kablam!   |
Oct 12 14:02:29.669 INFO kablam! 3 | use abstree::abs_decl::{AbsDecl,AbsDecls};
Oct 12 14:02:29.669 INFO kablam!   |                         ^^^^^^^
Oct 12 14:02:29.669 INFO kablam! 
Oct 12 14:02:29.669 INFO kablam! warning: unused import: `lexanal::symbol::Symbol`
Oct 12 14:02:29.670 INFO kablam!  --> src/abstree/abs_stmt.rs:7:5
Oct 12 14:02:29.670 INFO kablam!   |
Oct 12 14:02:29.670 INFO kablam! 7 | use lexanal::symbol::Symbol;
Oct 12 14:02:29.670 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 14:02:29.671 INFO kablam! 
Oct 12 14:02:29.671 INFO kablam! warning: unused import: `lexanal::symbol::Symbol`
Oct 12 14:02:29.671 INFO kablam!  --> src/abstree/abs_decl.rs:7:5
Oct 12 14:02:29.671 INFO kablam!   |
Oct 12 14:02:29.672 INFO kablam! 7 | use lexanal::symbol::Symbol;
Oct 12 14:02:29.672 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 14:02:29.672 INFO kablam! 
Oct 12 14:02:29.672 INFO kablam! warning: unused import: `lexanal::position::Position`
Oct 12 14:02:29.673 INFO kablam!   --> src/abstree/print_xml.rs:10:5
Oct 12 14:02:29.673 INFO kablam!    |
Oct 12 14:02:29.673 INFO kablam! 10 | use lexanal::position::Position;
Oct 12 14:02:29.674 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 14:02:29.674 INFO kablam! 
Oct 12 14:02:29.674 INFO kablam! warning: unused import: `abstree::visitor::Visitor`
Oct 12 14:02:29.675 INFO kablam!  --> src/synanal/run.rs:6:5
Oct 12 14:02:29.675 INFO kablam!   |
Oct 12 14:02:29.675 INFO kablam! 6 | use abstree::visitor::Visitor;
Oct 12 14:02:29.675 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 14:02:29.676 INFO kablam!   |
Oct 12 14:02:29.680 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 14:02:29.680 INFO kablam! 
Oct 12 14:02:29.681 INFO kablam! warning: unused import: `lexanal::position::Position`
Oct 12 14:02:29.681 INFO kablam!   --> src/synanal/mod.rs:10:5
Oct 12 14:02:29.681 INFO kablam!    |
Oct 12 14:02:29.681 INFO kablam! 10 | use lexanal::position::Position;
Oct 12 14:02:29.682 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 14:02:29.682 INFO kablam! 
Oct 12 14:02:29.682 INFO kablam! warning: unused import: `abstree::abs_position::AbsPosition`
Oct 12 14:02:29.682 INFO kablam!   --> src/synanal/mod.rs:15:5
Oct 12 14:02:29.682 INFO kablam!    |
Oct 12 14:02:29.683 INFO kablam! 15 | use abstree::abs_position::AbsPosition;
Oct 12 14:02:29.683 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 14:02:29.683 INFO kablam! 
Oct 12 14:02:29.683 INFO kablam! warning: unused import: `abstree::positioner::Positioner`
Oct 12 14:02:29.684 INFO kablam!   --> src/synanal/mod.rs:18:5
Oct 12 14:02:29.684 INFO kablam!    |
Oct 12 14:02:29.684 INFO kablam! 18 | use abstree::positioner::Positioner;
Oct 12 14:02:29.684 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 14:02:29.685 INFO kablam! 
Oct 12 14:02:29.685 INFO kablam! warning: unused import: `lexanal::symbol::Symbol`
Oct 12 14:02:29.685 INFO kablam!  --> src/abstree/positioner.rs:2:5
Oct 12 14:02:29.686 INFO kablam!   |
Oct 12 14:02:29.686 INFO kablam! 2 | use lexanal::symbol::Symbol;
Oct 12 14:02:29.686 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 14:02:29.686 INFO kablam! 
Oct 12 14:02:29.687 INFO kablam! warning: unused import: `abstree::AbsTree`
Oct 12 14:02:29.687 INFO kablam!  --> src/abstree/positioner.rs:3:5
Oct 12 14:02:29.687 INFO kablam!   |
Oct 12 14:02:29.687 INFO kablam! 3 | use abstree::AbsTree;
Oct 12 14:02:29.687 INFO kablam!   |     ^^^^^^^^^^^^^^^^
Oct 12 14:02:29.688 INFO kablam! 
Oct 12 14:02:29.688 INFO kablam! warning: unused import: `lexanal::symbol::Symbol`
Oct 12 14:02:29.688 INFO kablam!  --> src/abstree/abs_position.rs:3:5
Oct 12 14:02:29.689 INFO kablam!   |
Oct 12 14:02:29.689 INFO kablam! 3 | use lexanal::symbol::Symbol;
Oct 12 14:02:29.689 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 14:02:29.689 INFO kablam! 
Oct 12 14:02:29.690 INFO kablam! warning: unused import: `abstree::AbsTree`
Oct 12 14:02:29.690 INFO kablam!  --> src/abstree/abs_position.rs:4:5
Oct 12 14:02:29.690 INFO kablam!   |
Oct 12 14:02:29.690 INFO kablam! 4 | use abstree::AbsTree;
Oct 12 14:02:29.691 INFO kablam!   |     ^^^^^^^^^^^^^^^^
Oct 12 14:02:29.691 INFO kablam! 
Oct 12 14:02:29.691 INFO kablam! warning: unused import: `AbsDecl`
Oct 12 14:02:29.691 INFO kablam!  --> src/abstree/abs_expr.rs:3:25
Oct 12 14:02:29.692 INFO kablam!   |
Oct 12 14:02:29.692 INFO kablam! 3 | use abstree::abs_decl::{AbsDecl,AbsDecls};
Oct 12 14:02:29.692 INFO kablam!   |                         ^^^^^^^
Oct 12 14:02:29.692 INFO kablam! 
Oct 12 14:02:29.693 INFO kablam! warning: unused import: `lexanal::symbol::Symbol`
Oct 12 14:02:29.693 INFO kablam!  --> src/abstree/abs_stmt.rs:7:5
Oct 12 14:02:29.693 INFO kablam!   |
Oct 12 14:02:29.693 INFO kablam! 7 | use lexanal::symbol::Symbol;
Oct 12 14:02:29.694 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 14:02:29.694 INFO kablam! 
Oct 12 14:02:29.694 INFO kablam! warning: unused import: `lexanal::symbol::Symbol`
Oct 12 14:02:29.694 INFO kablam!  --> src/abstree/abs_decl.rs:7:5
Oct 12 14:02:29.695 INFO kablam!   |
Oct 12 14:02:29.695 INFO kablam! 7 | use lexanal::symbol::Symbol;
Oct 12 14:02:29.695 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 14:02:29.695 INFO kablam! 
Oct 12 14:02:29.696 INFO kablam! warning: unused import: `lexanal::position::Position`
Oct 12 14:02:29.696 INFO kablam!   --> src/abstree/print_xml.rs:10:5
Oct 12 14:02:29.696 INFO kablam!    |
Oct 12 14:02:29.696 INFO kablam! 10 | use lexanal::position::Position;
Oct 12 14:02:29.696 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 14:02:29.697 INFO kablam! 
Oct 12 14:02:30.249 INFO kablam! warning: unused variable: `fun_symbol`
Oct 12 14:02:30.249 INFO kablam!    --> src/synanal/mod.rs:744:13
Oct 12 14:02:30.249 INFO kablam!     |
Oct 12 14:02:30.250 INFO kablam! 744 |         let fun_symbol = self.skip(Token::FUN)?;
Oct 12 14:02:30.250 INFO kablam!     |             ^^^^^^^^^^ help: consider using `_fun_symbol` instead
Oct 12 14:02:30.250 INFO kablam!     |
Oct 12 14:02:30.250 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 12 14:02:30.251 INFO kablam! 
Oct 12 14:02:30.251 INFO kablam! warning: unused variable: `var_symbol`
Oct 12 14:02:30.251 INFO kablam!    --> src/synanal/mod.rs:803:13
Oct 12 14:02:30.251 INFO kablam!     |
Oct 12 14:02:30.252 INFO kablam! 803 |         let var_symbol = self.skip(Token::VAR)?;
Oct 12 14:02:30.252 INFO kablam!     |             ^^^^^^^^^^ help: consider using `_var_symbol` instead
Oct 12 14:02:30.252 INFO kablam! 
Oct 12 14:02:30.308 INFO kablam! warning: unused variable: `fun_symbol`
Oct 12 14:02:30.309 INFO kablam!    --> src/synanal/mod.rs:744:13
Oct 12 14:02:30.309 INFO kablam!     |
Oct 12 14:02:30.309 INFO kablam! 744 |         let fun_symbol = self.skip(Token::FUN)?;
Oct 12 14:02:30.310 INFO kablam!     |             ^^^^^^^^^^ help: consider using `_fun_symbol` instead
Oct 12 14:02:30.310 INFO kablam!     |
Oct 12 14:02:30.310 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 12 14:02:30.311 INFO kablam! 
Oct 12 14:02:30.311 INFO kablam! warning: unused variable: `var_symbol`
Oct 12 14:02:30.311 INFO kablam!    --> src/synanal/mod.rs:803:13
Oct 12 14:02:30.311 INFO kablam!     |
Oct 12 14:02:30.312 INFO kablam! 803 |         let var_symbol = self.skip(Token::VAR)?;
Oct 12 14:02:30.312 INFO kablam!     |             ^^^^^^^^^^ help: consider using `_var_symbol` instead
Oct 12 14:02:30.312 INFO kablam! 
Oct 12 14:02:30.421 INFO kablam! warning: variable does not need to be mutable
Oct 12 14:02:30.421 INFO kablam!   --> src/synanal/run.rs:14:9
Oct 12 14:02:30.421 INFO kablam!    |
Oct 12 14:02:30.421 INFO kablam! 14 |     let mut abstree_xml_creator : ProteusXmlCreator = match ProteusXmlCreator::open(String::from_str("abstree").unwrap()) {
Oct 12 14:02:30.421 INFO kablam!    |         ----^^^^^^^^^^^^^^^^^^^
Oct 12 14:02:30.421 INFO kablam!    |         |
Oct 12 14:02:30.421 INFO kablam!    |         help: remove this `mut`
Oct 12 14:02:30.421 INFO kablam!    |
Oct 12 14:02:30.421 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 14:02:30.421 INFO kablam! 
Oct 12 14:02:30.421 INFO kablam! warning: variable does not need to be mutable
Oct 12 14:02:30.421 INFO kablam!   --> src/synanal/run.rs:22:9
Oct 12 14:02:30.421 INFO kablam!    |
Oct 12 14:02:30.421 INFO kablam! 22 |     let mut lexical_analyser = match LexicalAnalyzer::new(program_name) 
Oct 12 14:02:30.421 INFO kablam!    |         ----^^^^^^^^^^^^^^^^
Oct 12 14:02:30.421 INFO kablam!    |         |
Oct 12 14:02:30.421 INFO kablam!    |         help: remove this `mut`
Oct 12 14:02:30.421 INFO kablam! 
Oct 12 14:02:30.528 INFO kablam! warning: variable does not need to be mutable
Oct 12 14:02:30.528 INFO kablam!   --> src/synanal/run.rs:14:9
Oct 12 14:02:30.528 INFO kablam!    |
Oct 12 14:02:30.528 INFO kablam! 14 |     let mut abstree_xml_creator : ProteusXmlCreator = match ProteusXmlCreator::open(String::from_str("abstree").unwrap()) {
Oct 12 14:02:30.528 INFO kablam!    |         ----^^^^^^^^^^^^^^^^^^^
Oct 12 14:02:30.528 INFO kablam!    |         |
Oct 12 14:02:30.528 INFO kablam!    |         help: remove this `mut`
Oct 12 14:02:30.528 INFO kablam!    |
Oct 12 14:02:30.528 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 14:02:30.528 INFO kablam! 
Oct 12 14:02:30.528 INFO kablam! warning: variable does not need to be mutable
Oct 12 14:02:30.528 INFO kablam!   --> src/synanal/run.rs:22:9
Oct 12 14:02:30.528 INFO kablam!    |
Oct 12 14:02:30.528 INFO kablam! 22 |     let mut lexical_analyser = match LexicalAnalyzer::new(program_name) 
Oct 12 14:02:30.528 INFO kablam!    |         ----^^^^^^^^^^^^^^^^
Oct 12 14:02:30.528 INFO kablam!    |         |
Oct 12 14:02:30.528 INFO kablam!    |         help: remove this `mut`
Oct 12 14:02:30.528 INFO kablam! 
Oct 12 14:02:30.724 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
Oct 12 14:02:30.726 INFO kablam! su: No module specific data is present
Oct 12 14:02:31.690 INFO running `"docker" "rm" "-f" "a4741a39a050ffca7959892768448dc9fa99a09e04b190b2dc63d5016f69e3f3"`
Oct 12 14:02:31.940 INFO blam! a4741a39a050ffca7959892768448dc9fa99a09e04b190b2dc63d5016f69e3f3