[INFO] updating cached repository mariosangiorgio/rulox
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mariosangiorgio/rulox
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mariosangiorgio/rulox" "work/ex/beta-1.37-6/sources/1.36.0/gh/mariosangiorgio/rulox"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/mariosangiorgio/rulox'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mariosangiorgio/rulox" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mariosangiorgio/rulox"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mariosangiorgio/rulox'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9e9e44f1143aa74b62e43452a35cd4786aecabcf
[INFO] sha for GitHub repo mariosangiorgio/rulox: 9e9e44f1143aa74b62e43452a35cd4786aecabcf
[INFO] validating manifest of mariosangiorgio/rulox on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mariosangiorgio/rulox on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mariosangiorgio/rulox
[INFO] finished frobbing mariosangiorgio/rulox
[INFO] frobbed toml for mariosangiorgio/rulox written to work/ex/beta-1.37-6/sources/1.36.0/gh/mariosangiorgio/rulox/Cargo.toml
[INFO] started frobbing mariosangiorgio/rulox
[INFO] finished frobbing mariosangiorgio/rulox
[INFO] frobbed toml for mariosangiorgio/rulox written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mariosangiorgio/rulox/Cargo.toml
[INFO] crate mariosangiorgio/rulox already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing mariosangiorgio/rulox against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/mariosangiorgio/rulox:/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=warn" "-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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 13551bf978cf15b8fa474e2aa82c22c31c941f284260f220bb85839ab7eec5ef
[INFO] running `"docker" "start" "-a" "13551bf978cf15b8fa474e2aa82c22c31c941f284260f220bb85839ab7eec5ef"`
[INFO] [stderr]    Compiling syn v0.15.14
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]    Compiling rulox v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.70s
[INFO] running `"docker" "inspect" "13551bf978cf15b8fa474e2aa82c22c31c941f284260f220bb85839ab7eec5ef"`
[INFO] running `"docker" "rm" "-f" "13551bf978cf15b8fa474e2aa82c22c31c941f284260f220bb85839ab7eec5ef"`
[INFO] [stdout] 13551bf978cf15b8fa474e2aa82c22c31c941f284260f220bb85839ab7eec5ef
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/mariosangiorgio/rulox:/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=warn" "-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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] a5b707cfa2c3dd09b08720bffb6f9123ed01a92f32bfce1e501ec42500103ebf
[INFO] running `"docker" "start" "-a" "a5b707cfa2c3dd09b08720bffb6f9123ed01a92f32bfce1e501ec42500103ebf"`
[INFO] [stderr]    Compiling wait-timeout v0.1.5
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling tempfile v3.0.4
[INFO] [stderr]    Compiling rusty-fork v0.2.1
[INFO] [stderr]    Compiling proptest v0.8.7
[INFO] [stderr]    Compiling rulox v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/treewalk/mod.rs:99:5
[INFO] [stderr]     |
[INFO] [stderr] 99  | /     proptest! {
[INFO] [stderr] 100 | |     #[test]
[INFO] [stderr] 101 | |     fn doesnt_crash(ref input in "\\PC*") {
[INFO] [stderr] 102 | |         let mut lox_vm = TreeWalkRuloxInterpreter::default();
[INFO] [stderr] 103 | |         lox_vm.run(input)
[INFO] [stderr] 104 | |     }
[INFO] [stderr] 105 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/vm/mod.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 | /     proptest! {
[INFO] [stderr] 28 | |     #[test]
[INFO] [stderr] 29 | |     #[ignore]
[INFO] [stderr] 30 | |     fn doesnt_crash(ref input in "\\PC*") {
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |     }
[INFO] [stderr] 34 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.40s
[INFO] running `"docker" "inspect" "a5b707cfa2c3dd09b08720bffb6f9123ed01a92f32bfce1e501ec42500103ebf"`
[INFO] running `"docker" "rm" "-f" "a5b707cfa2c3dd09b08720bffb6f9123ed01a92f32bfce1e501ec42500103ebf"`
[INFO] [stdout] a5b707cfa2c3dd09b08720bffb6f9123ed01a92f32bfce1e501ec42500103ebf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/mariosangiorgio/rulox:/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=warn" "-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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 20e196706012c79adc7795a0b656ee5b547eca877f2e9d7ef9bc6c58f4ecc691
[INFO] running `"docker" "start" "-a" "20e196706012c79adc7795a0b656ee5b547eca877f2e9d7ef9bc6c58f4ecc691"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rulox-cd9e31cbe2da5842
[INFO] [stdout] 
[INFO] [stdout] running 85 tests
[INFO] [stdout] test frontend::scanner::tests::multiline_statements ... ok
[INFO] [stdout] test frontend::scanner::tests::expression ... ok
[INFO] [stdout] test frontend::scanner::tests::expression_with_whitespaces ... ok
[INFO] [stdout] test frontend::scanner::tests::assignement_with_comment ... ok
[INFO] [stdout] test frontend::scanner::tests::expression_with_bad_character ... ok
[INFO] [stdout] test frontend::scanner::tests::statements_with_unterminated_string ... ok
[INFO] [stdout] test frontend::scanner::tests::single_token ... ok
[INFO] [stdout] test treewalk::interpreter::tests::binary ... ok
[INFO] [stdout] test treewalk::interpreter::tests::binary_expression_with_mismatching_types ... ok
[INFO] [stdout] test treewalk::interpreter::tests::custom_initializer ... ok
[INFO] [stdout] test treewalk::interpreter::tests::complex_expression_statement ... ok
[INFO] [stdout] test treewalk::interpreter::tests::block_affects_outer_scope ... ok
[INFO] [stdout] test treewalk::interpreter::tests::block_variable_dont_escape_scope ... ok
[INFO] [stdout] test treewalk::interpreter::tests::class_properties ... ok
[INFO] [stdout] test treewalk::interpreter::tests::class_constructor ... ok
[INFO] [stdout] test treewalk::interpreter::tests::literal ... ok
[INFO] [stdout] test treewalk::interpreter::tests::grouping ... ok
[INFO] [stdout] test treewalk::interpreter::tests::if_then_else ... ok
[INFO] [stdout] test treewalk::interpreter::tests::local_variables_dont_pollute_outer_scope ... ok
[INFO] [stdout] test treewalk::interpreter::tests::method_execution ... ok
[INFO] [stdout] test treewalk::interpreter::tests::string_concatenation ... ok
[INFO] [stdout] test treewalk::interpreter::tests::function_declaration_and_call_no_return ... ok
[INFO] [stdout] test treewalk::interpreter::tests::function_declaration_and_call ... ok
[INFO] [stdout] test treewalk::interpreter::tests::expression_statement ... ok
[INFO] [stdout] test treewalk::interpreter::tests::error_assigning_undefined_variable ... ok
[INFO] [stdout] test treewalk::interpreter::tests::error_accessing_undefined_variable ... ok
[INFO] [stdout] test treewalk::interpreter::tests::variable_definition_with_initializer ... ok
[INFO] [stdout] test treewalk::interpreter::tests::while_loop ... ok
[INFO] [stdout] test treewalk::lexical_scope_resolver::tests::captured_variable ... ok
[INFO] [stdout] test treewalk::lexical_scope_resolver::tests::error_on_local_redeclaration ... ok
[INFO] [stdout] test treewalk::interpreter::tests::unary_minus_only_applies_to_numbers ... ok
[INFO] [stdout] test treewalk::lexical_scope_resolver::tests::error_on_return_outside_a_function ... ok
[INFO] [stdout] test treewalk::lexical_scope_resolver::tests::error_on_shadowing ... ok
[INFO] [stdout] test treewalk::lexical_scope_resolver::tests::global_redeclaration_is_allowed ... ok
[INFO] [stdout] test treewalk::lexical_scope_resolver::tests::global_variable ... ok
[INFO] [stdout] test treewalk::lexical_scope_resolver::tests::lexical_capture ... ok
[INFO] [stdout] test treewalk::parser::tests::assignment ... ok
[INFO] [stdout] test treewalk::parser::tests::expr_with_equality ... ok
[INFO] [stdout] test treewalk::parser::tests::for_statement ... ok
[INFO] [stdout] test treewalk::parser::tests::class ... ok
[INFO] [stdout] test treewalk::parser::tests::binary ... ok
[INFO] [stdout] test treewalk::parser::tests::for_statement_no_condition ... ok
[INFO] [stdout] test treewalk::parser::tests::for_statement_no_increment ... ok
[INFO] [stdout] test treewalk::parser::tests::function_with_no_arguments ... ok
[INFO] [stdout] test treewalk::parser::tests::function_with_two_arguments ... ok
[INFO] [stdout] test treewalk::interpreter::tests::truth_table ... ok
[INFO] [stdout] test treewalk::interpreter::tests::unary ... ok
[INFO] [stdout] test treewalk::interpreter::tests::to_string ... ok
[INFO] [stdout] test treewalk::interpreter::tests::variable_definition ... ok
[INFO] [stdout] test treewalk::parser::tests::get ... ok
[INFO] [stdout] test treewalk::parser::tests::if_then_else_statement ... ok
[INFO] [stdout] test treewalk::parser::tests::logic ... ok
[INFO] [stdout] test treewalk::parser::tests::literal ... ok
[INFO] [stdout] test treewalk::parser::tests::missing_initializer ... ok
[INFO] [stdout] test treewalk::parser::tests::for_statement_no_initializer ... ok
[INFO] [stdout] test treewalk::parser::tests::multiple_statements ... ok
[INFO] [stdout] test treewalk::parser::tests::function_with_one_argument ... ok
[INFO] [stdout] test treewalk::parser::tests::precedence_or_and ... ok
[INFO] [stdout] test treewalk::parser::tests::precedence_mul_add ... ok
[INFO] [stdout] test treewalk::parser::tests::precedence_add_mul ... ok
[INFO] [stdout] test treewalk::parser::tests::set ... ok
[INFO] [stdout] test treewalk::parser::tests::unfinished_block ... ok
[INFO] [stdout] test treewalk::parser::tests::unopened_group ... ok
[INFO] [stdout] test treewalk::parser::tests::unclosed_group ... ok
[INFO] [stdout] test treewalk::parser::tests::while_statement ... ok
[INFO] [stdout] test treewalk::parser::tests::wrong_variable_declaration_target ... ok
[INFO] [stdout] test treewalk::pretty_printer::tests::block ... ok
[INFO] [stdout] test treewalk::pretty_printer::tests::literal ... ok
[INFO] [stdout] test treewalk::pretty_printer::tests::complex_expression ... ok
[INFO] [stdout] test vm::interpreter::end_to_end_tests::binary ... ok
[INFO] [stdout] test vm::interpreter::end_to_end_tests::binary_bool ... ok
[INFO] [stdout] test vm::interpreter::end_to_end_tests::number ... ok
[INFO] [stdout] test vm::interpreter::end_to_end_tests::precedence ... ok
[INFO] [stdout] test vm::interpreter::end_to_end_tests::unary_bool ... ok
[INFO] [stdout] test vm::interpreter::end_to_end_tests::grouping ... ok
[INFO] [stdout] test vm::interpreter::end_to_end_tests::complex ... ok
[INFO] [stdout] test treewalk::parser::tests::wrong_assigment_target ... ok
[INFO] [stdout] test treewalk::parser::tests::if_then_statement ... ok
[INFO] [stdout] test vm::interpreter::end_to_end_tests::unary ... ok
[INFO] [stdout] test vm::tests::doesnt_crash ... ignored
[INFO] [stdout] test treewalk::parser::tests::precedence_mul_add_unary ... ok
[INFO] [stdout] test vm::interpreter::tests::trace_doesnt_crash ... ok
[INFO] [stdout] test vm::interpreter::tests::interpret_doesnt_crash ... ok
[INFO] [stdout] test vm::interpreter::tests::disassemble_doesnt_crash ... ok
[INFO] [stdout] test treewalk::tests::doesnt_crash ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 84 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rulox-d4915d4e39a51676
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ruloxvm-935721926d82cbdc
[INFO] [stderr]    Doc-tests rulox
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/vm/bytecode.rs - vm::bytecode::Chunk::add_instruction (line 62) ... ok
[INFO] [stdout] test src/vm/bytecode.rs - vm::bytecode::Chunk::add_constant (line 81) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "20e196706012c79adc7795a0b656ee5b547eca877f2e9d7ef9bc6c58f4ecc691"`
[INFO] running `"docker" "rm" "-f" "20e196706012c79adc7795a0b656ee5b547eca877f2e9d7ef9bc6c58f4ecc691"`
[INFO] [stdout] 20e196706012c79adc7795a0b656ee5b547eca877f2e9d7ef9bc6c58f4ecc691