Dec 17 15:42:39.801 INFO checking semrov/ProteusCompiler against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 15:42:39.801 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/semrov/ProteusCompiler:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 15:42:40.333 INFO [stdout] b155081f30b52dd18bab76a20030ef00d46b62a96ac803a172b137803a487eb1
Dec 17 15:42:40.340 INFO running `"docker" "start" "-a" "b155081f30b52dd18bab76a20030ef00d46b62a96ac803a172b137803a487eb1"`
Dec 17 15:42:42.864 INFO [stderr]     Checking proteus_compiler v0.1.0 (/opt/crater/workdir)
Dec 17 15:42:43.292 INFO [stderr] warning: unused import: `abstree::visitor::Visitor`
Dec 17 15:42:43.292 INFO [stderr]  --> src/synanal/run.rs:6:5
Dec 17 15:42:43.292 INFO [stderr]   |
Dec 17 15:42:43.292 INFO [stderr] 6 | use abstree::visitor::Visitor;
Dec 17 15:42:43.292 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:42:43.292 INFO [stderr]   |
Dec 17 15:42:43.292 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 15:42:43.292 INFO [stderr] 
Dec 17 15:42:43.293 INFO [stderr] warning: unused import: `lexanal::position::Position`
Dec 17 15:42:43.293 INFO [stderr]   --> src/synanal/mod.rs:10:5
Dec 17 15:42:43.293 INFO [stderr]    |
Dec 17 15:42:43.293 INFO [stderr] 10 | use lexanal::position::Position;
Dec 17 15:42:43.293 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:42:43.293 INFO [stderr] 
Dec 17 15:42:43.293 INFO [stderr] warning: unused import: `abstree::abs_position::AbsPosition`
Dec 17 15:42:43.293 INFO [stderr]   --> src/synanal/mod.rs:15:5
Dec 17 15:42:43.293 INFO [stderr]    |
Dec 17 15:42:43.293 INFO [stderr] 15 | use abstree::abs_position::AbsPosition;
Dec 17 15:42:43.293 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:42:43.293 INFO [stderr] 
Dec 17 15:42:43.293 INFO [stderr] warning: unused import: `abstree::positioner::Positioner`
Dec 17 15:42:43.293 INFO [stderr]   --> src/synanal/mod.rs:18:5
Dec 17 15:42:43.293 INFO [stderr]    |
Dec 17 15:42:43.293 INFO [stderr] 18 | use abstree::positioner::Positioner;
Dec 17 15:42:43.293 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:42:43.293 INFO [stderr] 
Dec 17 15:42:43.293 INFO [stderr] warning: unused import: `lexanal::symbol::Symbol`
Dec 17 15:42:43.293 INFO [stderr]  --> src/abstree/positioner.rs:2:5
Dec 17 15:42:43.293 INFO [stderr]   |
Dec 17 15:42:43.293 INFO [stderr] 2 | use lexanal::symbol::Symbol;
Dec 17 15:42:43.293 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:42:43.293 INFO [stderr] 
Dec 17 15:42:43.293 INFO [stderr] warning: unused import: `abstree::AbsTree`
Dec 17 15:42:43.293 INFO [stderr]  --> src/abstree/positioner.rs:3:5
Dec 17 15:42:43.293 INFO [stderr]   |
Dec 17 15:42:43.293 INFO [stderr] 3 | use abstree::AbsTree;
Dec 17 15:42:43.293 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 17 15:42:43.293 INFO [stderr] 
Dec 17 15:42:43.293 INFO [stderr] warning: unused import: `lexanal::symbol::Symbol`
Dec 17 15:42:43.293 INFO [stderr]  --> src/abstree/abs_position.rs:3:5
Dec 17 15:42:43.293 INFO [stderr]   |
Dec 17 15:42:43.293 INFO [stderr] 3 | use lexanal::symbol::Symbol;
Dec 17 15:42:43.293 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:42:43.293 INFO [stderr] 
Dec 17 15:42:43.293 INFO [stderr] warning: unused import: `abstree::AbsTree`
Dec 17 15:42:43.293 INFO [stderr]  --> src/abstree/abs_position.rs:4:5
Dec 17 15:42:43.293 INFO [stderr]   |
Dec 17 15:42:43.293 INFO [stderr] 4 | use abstree::AbsTree;
Dec 17 15:42:43.293 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 17 15:42:43.293 INFO [stderr] 
Dec 17 15:42:43.293 INFO [stderr] warning: unused import: `AbsDecl`
Dec 17 15:42:43.293 INFO [stderr]  --> src/abstree/abs_expr.rs:3:25
Dec 17 15:42:43.293 INFO [stderr]   |
Dec 17 15:42:43.293 INFO [stderr] 3 | use abstree::abs_decl::{AbsDecl,AbsDecls};
Dec 17 15:42:43.293 INFO [stderr]   |                         ^^^^^^^
Dec 17 15:42:43.293 INFO [stderr] 
Dec 17 15:42:43.293 INFO [stderr] warning: unused import: `lexanal::symbol::Symbol`
Dec 17 15:42:43.293 INFO [stderr]  --> src/abstree/abs_stmt.rs:7:5
Dec 17 15:42:43.293 INFO [stderr]   |
Dec 17 15:42:43.293 INFO [stderr] 7 | use lexanal::symbol::Symbol;
Dec 17 15:42:43.293 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:42:43.293 INFO [stderr] 
Dec 17 15:42:43.293 INFO [stderr] warning: unused import: `abstree::visitor::Visitor`
Dec 17 15:42:43.294 INFO [stderr]  --> src/synanal/run.rs:6:5
Dec 17 15:42:43.294 INFO [stderr]   |
Dec 17 15:42:43.294 INFO [stderr] 6 | use abstree::visitor::Visitor;
Dec 17 15:42:43.294 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:42:43.294 INFO [stderr]   |
Dec 17 15:42:43.294 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 15:42:43.294 INFO [stderr] 
Dec 17 15:42:43.294 INFO [stderr] warning: unused import: `lexanal::position::Position`
Dec 17 15:42:43.294 INFO [stderr]   --> src/synanal/mod.rs:10:5
Dec 17 15:42:43.294 INFO [stderr]    |
Dec 17 15:42:43.294 INFO [stderr] 10 | use lexanal::position::Position;
Dec 17 15:42:43.294 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:42:43.294 INFO [stderr] 
Dec 17 15:42:43.294 INFO [stderr] warning: unused import: `abstree::abs_position::AbsPosition`
Dec 17 15:42:43.294 INFO [stderr]   --> src/synanal/mod.rs:15:5
Dec 17 15:42:43.294 INFO [stderr]    |
Dec 17 15:42:43.294 INFO [stderr] 15 | use abstree::abs_position::AbsPosition;
Dec 17 15:42:43.294 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:42:43.294 INFO [stderr] 
Dec 17 15:42:43.294 INFO [stderr] warning: unused import: `abstree::positioner::Positioner`
Dec 17 15:42:43.294 INFO [stderr]   --> src/synanal/mod.rs:18:5
Dec 17 15:42:43.294 INFO [stderr]    |
Dec 17 15:42:43.294 INFO [stderr] 18 | use abstree::positioner::Positioner;
Dec 17 15:42:43.294 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:42:43.294 INFO [stderr] 
Dec 17 15:42:43.294 INFO [stderr] warning: unused import: `lexanal::symbol::Symbol`
Dec 17 15:42:43.294 INFO [stderr]  --> src/abstree/abs_decl.rs:7:5
Dec 17 15:42:43.294 INFO [stderr]   |
Dec 17 15:42:43.294 INFO [stderr] 7 | use lexanal::symbol::Symbol;
Dec 17 15:42:43.294 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:42:43.294 INFO [stderr] 
Dec 17 15:42:43.294 INFO [stderr] warning: unused import: `lexanal::position::Position`
Dec 17 15:42:43.294 INFO [stderr]   --> src/abstree/print_xml.rs:10:5
Dec 17 15:42:43.294 INFO [stderr]    |
Dec 17 15:42:43.294 INFO [stderr] 10 | use lexanal::position::Position;
Dec 17 15:42:43.294 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:42:43.294 INFO [stderr] 
Dec 17 15:42:43.294 INFO [stderr] warning: unused import: `lexanal::symbol::Symbol`
Dec 17 15:42:43.294 INFO [stderr]  --> src/abstree/positioner.rs:2:5
Dec 17 15:42:43.294 INFO [stderr]   |
Dec 17 15:42:43.294 INFO [stderr] 2 | use lexanal::symbol::Symbol;
Dec 17 15:42:43.294 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:42:43.294 INFO [stderr] 
Dec 17 15:42:43.300 INFO [stderr] warning: unused import: `abstree::AbsTree`
Dec 17 15:42:43.300 INFO [stderr]  --> src/abstree/positioner.rs:3:5
Dec 17 15:42:43.300 INFO [stderr]   |
Dec 17 15:42:43.300 INFO [stderr] 3 | use abstree::AbsTree;
Dec 17 15:42:43.300 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 17 15:42:43.300 INFO [stderr] 
Dec 17 15:42:43.300 INFO [stderr] warning: unused import: `lexanal::symbol::Symbol`
Dec 17 15:42:43.300 INFO [stderr]  --> src/abstree/abs_position.rs:3:5
Dec 17 15:42:43.300 INFO [stderr]   |
Dec 17 15:42:43.300 INFO [stderr] 3 | use lexanal::symbol::Symbol;
Dec 17 15:42:43.300 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:42:43.300 INFO [stderr] 
Dec 17 15:42:43.301 INFO [stderr] warning: unused import: `abstree::AbsTree`
Dec 17 15:42:43.301 INFO [stderr]  --> src/abstree/abs_position.rs:4:5
Dec 17 15:42:43.301 INFO [stderr]   |
Dec 17 15:42:43.301 INFO [stderr] 4 | use abstree::AbsTree;
Dec 17 15:42:43.301 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 17 15:42:43.301 INFO [stderr] 
Dec 17 15:42:43.301 INFO [stderr] warning: unused import: `AbsDecl`
Dec 17 15:42:43.301 INFO [stderr]  --> src/abstree/abs_expr.rs:3:25
Dec 17 15:42:43.301 INFO [stderr]   |
Dec 17 15:42:43.301 INFO [stderr] 3 | use abstree::abs_decl::{AbsDecl,AbsDecls};
Dec 17 15:42:43.301 INFO [stderr]   |                         ^^^^^^^
Dec 17 15:42:43.301 INFO [stderr] 
Dec 17 15:42:43.301 INFO [stderr] warning: unused import: `lexanal::symbol::Symbol`
Dec 17 15:42:43.301 INFO [stderr]  --> src/abstree/abs_stmt.rs:7:5
Dec 17 15:42:43.308 INFO [stderr]   |
Dec 17 15:42:43.308 INFO [stderr] 7 | use lexanal::symbol::Symbol;
Dec 17 15:42:43.308 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:42:43.308 INFO [stderr] 
Dec 17 15:42:43.308 INFO [stderr] warning: unused import: `lexanal::symbol::Symbol`
Dec 17 15:42:43.309 INFO [stderr]  --> src/abstree/abs_decl.rs:7:5
Dec 17 15:42:43.309 INFO [stderr]   |
Dec 17 15:42:43.309 INFO [stderr] 7 | use lexanal::symbol::Symbol;
Dec 17 15:42:43.309 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:42:43.309 INFO [stderr] 
Dec 17 15:42:43.309 INFO [stderr] warning: unused import: `lexanal::position::Position`
Dec 17 15:42:43.309 INFO [stderr]   --> src/abstree/print_xml.rs:10:5
Dec 17 15:42:43.309 INFO [stderr]    |
Dec 17 15:42:43.309 INFO [stderr] 10 | use lexanal::position::Position;
Dec 17 15:42:43.309 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:42:43.309 INFO [stderr] 
Dec 17 15:42:43.856 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 17 15:42:43.857 INFO [stderr]   --> src/synanal/parse_error.rs:95:59
Dec 17 15:42:43.857 INFO [stderr]    |
Dec 17 15:42:43.857 INFO [stderr] 95 |             ParseError::SyntaxError(ref synerr) => synerr.cause(),
Dec 17 15:42:43.857 INFO [stderr]    |                                                           ^^^^^
Dec 17 15:42:43.858 INFO [stderr]    |
Dec 17 15:42:43.858 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 17 15:42:43.858 INFO [stderr] 
Dec 17 15:42:43.859 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 17 15:42:43.859 INFO [stderr]   --> src/synanal/parse_error.rs:96:49
Dec 17 15:42:43.859 INFO [stderr]    |
Dec 17 15:42:43.860 INFO [stderr] 96 |             ParseError::IoError(ref ioe) => ioe.cause(),
Dec 17 15:42:43.860 INFO [stderr]    |                                                 ^^^^^
Dec 17 15:42:43.860 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 17 15:42:43.861 INFO [stderr]   --> src/synanal/parse_error.rs:95:59
Dec 17 15:42:43.861 INFO [stderr]    |
Dec 17 15:42:43.861 INFO [stderr] 95 |             ParseError::SyntaxError(ref synerr) => synerr.cause(),
Dec 17 15:42:43.861 INFO [stderr]    |                                                           ^^^^^
Dec 17 15:42:43.861 INFO [stderr]    |
Dec 17 15:42:43.861 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 17 15:42:43.861 INFO [stderr] 
Dec 17 15:42:43.861 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 17 15:42:43.861 INFO [stderr]   --> src/synanal/parse_error.rs:96:49
Dec 17 15:42:43.861 INFO [stderr]    |
Dec 17 15:42:43.861 INFO [stderr] 96 |             ParseError::IoError(ref ioe) => ioe.cause(),
Dec 17 15:42:43.861 INFO [stderr]    |                                                 ^^^^^
Dec 17 15:42:43.861 INFO [stderr] 
Dec 17 15:42:43.861 INFO [stderr] 
Dec 17 15:42:44.204 INFO [stderr] warning: unused variable: `fun_symbol`
Dec 17 15:42:44.204 INFO [stderr]    --> src/synanal/mod.rs:744:13
Dec 17 15:42:44.204 INFO [stderr]     |
Dec 17 15:42:44.204 INFO [stderr] 744 |         let fun_symbol = self.skip(Token::FUN)?;
Dec 17 15:42:44.204 INFO [stderr]     |             ^^^^^^^^^^ help: consider using `_fun_symbol` instead
Dec 17 15:42:44.208 INFO [stderr] warning: unused variable: `fun_symbol`
Dec 17 15:42:44.208 INFO [stderr]    --> src/synanal/mod.rs:744:13
Dec 17 15:42:44.209 INFO [stderr]     |
Dec 17 15:42:44.209 INFO [stderr] 744 |         let fun_symbol = self.skip(Token::FUN)?;
Dec 17 15:42:44.209 INFO [stderr]     |             ^^^^^^^^^^ help: consider using `_fun_symbol` instead
Dec 17 15:42:44.209 INFO [stderr]     |
Dec 17 15:42:44.209 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 17 15:42:44.209 INFO [stderr] 
Dec 17 15:42:44.209 INFO [stderr] warning: unused variable: `var_symbol`
Dec 17 15:42:44.209 INFO [stderr]    --> src/synanal/mod.rs:803:13
Dec 17 15:42:44.209 INFO [stderr]     |
Dec 17 15:42:44.209 INFO [stderr] 803 |         let var_symbol = self.skip(Token::VAR)?;
Dec 17 15:42:44.209 INFO [stderr]     |             ^^^^^^^^^^ help: consider using `_var_symbol` instead
Dec 17 15:42:44.209 INFO [stderr] 
Dec 17 15:42:44.212 INFO [stderr]     |
Dec 17 15:42:44.212 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 17 15:42:44.212 INFO [stderr] 
Dec 17 15:42:44.212 INFO [stderr] warning: unused variable: `var_symbol`
Dec 17 15:42:44.212 INFO [stderr]    --> src/synanal/mod.rs:803:13
Dec 17 15:42:44.212 INFO [stderr]     |
Dec 17 15:42:44.212 INFO [stderr] 803 |         let var_symbol = self.skip(Token::VAR)?;
Dec 17 15:42:44.212 INFO [stderr]     |             ^^^^^^^^^^ help: consider using `_var_symbol` instead
Dec 17 15:42:44.212 INFO [stderr] 
Dec 17 15:42:44.397 INFO [stderr] warning: variable does not need to be mutable
Dec 17 15:42:44.397 INFO [stderr]   --> src/synanal/run.rs:14:9
Dec 17 15:42:44.397 INFO [stderr]    |
Dec 17 15:42:44.397 INFO [stderr] 14 |     let mut abstree_xml_creator : ProteusXmlCreator = match ProteusXmlCreator::open(String::from_str("abstree").unwrap()) {
Dec 17 15:42:44.397 INFO [stderr]    |         ----^^^^^^^^^^^^^^^^^^^
Dec 17 15:42:44.397 INFO [stderr]    |         |
Dec 17 15:42:44.397 INFO [stderr]    |         help: remove this `mut`
Dec 17 15:42:44.397 INFO [stderr]    |
Dec 17 15:42:44.398 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 15:42:44.398 INFO [stderr] 
Dec 17 15:42:44.398 INFO [stderr] warning: variable does not need to be mutable
Dec 17 15:42:44.398 INFO [stderr]   --> src/synanal/run.rs:22:9
Dec 17 15:42:44.398 INFO [stderr]    |
Dec 17 15:42:44.398 INFO [stderr] 22 |     let mut lexical_analyser = match LexicalAnalyzer::new(program_name) 
Dec 17 15:42:44.398 INFO [stderr]    |         ----^^^^^^^^^^^^^^^^
Dec 17 15:42:44.398 INFO [stderr]    |         |
Dec 17 15:42:44.398 INFO [stderr]    |         help: remove this `mut`
Dec 17 15:42:44.398 INFO [stderr] 
Dec 17 15:42:44.472 INFO [stderr] warning: variable does not need to be mutable
Dec 17 15:42:44.472 INFO [stderr]   --> src/synanal/run.rs:14:9
Dec 17 15:42:44.472 INFO [stderr]    |
Dec 17 15:42:44.472 INFO [stderr] 14 |     let mut abstree_xml_creator : ProteusXmlCreator = match ProteusXmlCreator::open(String::from_str("abstree").unwrap()) {
Dec 17 15:42:44.473 INFO [stderr]    |         ----^^^^^^^^^^^^^^^^^^^
Dec 17 15:42:44.473 INFO [stderr]    |         |
Dec 17 15:42:44.473 INFO [stderr]    |         help: remove this `mut`
Dec 17 15:42:44.473 INFO [stderr]    |
Dec 17 15:42:44.473 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 15:42:44.473 INFO [stderr] 
Dec 17 15:42:44.473 INFO [stderr] warning: variable does not need to be mutable
Dec 17 15:42:44.473 INFO [stderr]   --> src/synanal/run.rs:22:9
Dec 17 15:42:44.473 INFO [stderr]    |
Dec 17 15:42:44.473 INFO [stderr] 22 |     let mut lexical_analyser = match LexicalAnalyzer::new(program_name) 
Dec 17 15:42:44.473 INFO [stderr]    |         ----^^^^^^^^^^^^^^^^
Dec 17 15:42:44.473 INFO [stderr]    |         |
Dec 17 15:42:44.473 INFO [stderr]    |         help: remove this `mut`
Dec 17 15:42:44.473 INFO [stderr] 
Dec 17 15:42:44.721 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.87s
Dec 17 15:42:46.114 INFO running `"docker" "inspect" "b155081f30b52dd18bab76a20030ef00d46b62a96ac803a172b137803a487eb1"`
Dec 17 15:42:46.370 INFO running `"docker" "rm" "-f" "b155081f30b52dd18bab76a20030ef00d46b62a96ac803a172b137803a487eb1"`
Dec 17 15:42:46.748 INFO [stdout] b155081f30b52dd18bab76a20030ef00d46b62a96ac803a172b137803a487eb1