[INFO] updating cached repository julioolvr/rlox
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/julioolvr/rlox
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/julioolvr/rlox" "work/ex/beta-1.37-6/sources/1.36.0/gh/julioolvr/rlox"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/julioolvr/rlox'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/julioolvr/rlox" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/julioolvr/rlox"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/julioolvr/rlox'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b8908c5eca599cb2ab16dde00d47507c5b004de0
[INFO] sha for GitHub repo julioolvr/rlox: b8908c5eca599cb2ab16dde00d47507c5b004de0
[INFO] validating manifest of julioolvr/rlox 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 julioolvr/rlox 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 julioolvr/rlox
[INFO] finished frobbing julioolvr/rlox
[INFO] frobbed toml for julioolvr/rlox written to work/ex/beta-1.37-6/sources/1.36.0/gh/julioolvr/rlox/Cargo.toml
[INFO] started frobbing julioolvr/rlox
[INFO] finished frobbing julioolvr/rlox
[INFO] frobbed toml for julioolvr/rlox written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/julioolvr/rlox/Cargo.toml
[INFO] crate julioolvr/rlox 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 julioolvr/rlox 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-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/julioolvr/rlox:/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] 79fb68580888b87072567c66dae95812cc5e6f6ea626c9f6374e28912be312ca
[INFO] running `"docker" "start" "-a" "79fb68580888b87072567c66dae95812cc5e6f6ea626c9f6374e28912be312ca"`
[INFO] [stderr]    Compiling rlox v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/rlox/api.rs:62:13
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let mut writer = Rc::new(RefCell::new(&mut cursor as &mut io::Write));
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.45s
[INFO] running `"docker" "inspect" "79fb68580888b87072567c66dae95812cc5e6f6ea626c9f6374e28912be312ca"`
[INFO] running `"docker" "rm" "-f" "79fb68580888b87072567c66dae95812cc5e6f6ea626c9f6374e28912be312ca"`
[INFO] [stdout] 79fb68580888b87072567c66dae95812cc5e6f6ea626c9f6374e28912be312ca
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/julioolvr/rlox:/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] 7aec532a48cddac55c057792474760d5e99eff3904bc86d9c796817b059b2262
[INFO] running `"docker" "start" "-a" "7aec532a48cddac55c057792474760d5e99eff3904bc86d9c796817b059b2262"`
[INFO] [stderr]    Compiling rlox v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/rlox/api.rs:62:13
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let mut writer = Rc::new(RefCell::new(&mut cursor as &mut io::Write));
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.77s
[INFO] running `"docker" "inspect" "7aec532a48cddac55c057792474760d5e99eff3904bc86d9c796817b059b2262"`
[INFO] running `"docker" "rm" "-f" "7aec532a48cddac55c057792474760d5e99eff3904bc86d9c796817b059b2262"`
[INFO] [stdout] 7aec532a48cddac55c057792474760d5e99eff3904bc86d9c796817b059b2262
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/julioolvr/rlox:/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] c0b3281cdf4d640875e9b494e5545feaed2401291e44148b5a40d3fc99ad2214
[INFO] running `"docker" "start" "-a" "c0b3281cdf4d640875e9b494e5545feaed2401291e44148b5a40d3fc99ad2214"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rlox-06503cc3be28e283
[INFO] [stdout] 
[INFO] [stdout] running 43 tests
[INFO] [stdout] test rlox::scanner::tests::has_only_eof_token_for_empty_source ... ok
[INFO] [stdout] test rlox::scanner::tests::error_on_unknown_character ... ok
[INFO] [stdout] test rlox::scanner::tests::tokens::bang ... ok
[INFO] [stdout] test rlox::scanner::tests::tokens::comma ... ok
[INFO] [stdout] test rlox::scanner::tests::tokens::comments ... ok
[INFO] [stdout] test rlox::scanner::tests::tokens::dot ... ok
[INFO] [stdout] test rlox::scanner::tests::tokens::equal ... ok
[INFO] [stdout] test rlox::scanner::tests::tokens::equal_equal ... ok
[INFO] [stdout] test rlox::scanner::tests::tokens::greater ... ok
[INFO] [stdout] test rlox::scanner::tests::tokens::greater_equal ... ok
[INFO] [stdout] test rlox::scanner::tests::tokens::left_brace ... ok
[INFO] [stdout] test rlox::scanner::tests::tokens::bang_equal ... ok
[INFO] [stdout] test rlox::scanner::tests::tokens::literals::keywords::class ... ok
[INFO] [stdout] test rlox::scanner::tests::tokens::literals::keywords::and ... ok
[INFO] [stdout] test rlox::scanner::tests::tokens::literals::keywords::for_token ... ok
[INFO] [stdout] test rlox::scanner::tests::tokens::literals::keywords::false_token ... ok
[INFO] [stdout] test rlox::scanner::tests::tokens::literals::keywords::else_token ... ok
[INFO] [stdout] test rlox::scanner::tests::tokens::literals::keywords::fun ... ok
[INFO] [stdout] test rlox::scanner::tests::tokens::literals::keywords::if_token ... ok
[INFO] [stdout] test rlox::scanner::tests::tokens::literals::keywords::nil ... ok
[INFO] [stdout] test rlox::scanner::tests::tokens::literals::keywords::or ... ok
[INFO] [stdout] test rlox::scanner::tests::tokens::left_paren ... ok
[INFO] [stdout] test rlox::scanner::tests::line_numbers ... ok
[INFO] [stdout] test rlox::scanner::tests::tokens::literals::keywords::print ... ok
[INFO] [stdout] test rlox::scanner::tests::tokens::literals::keywords::return_token ... ok
[INFO] [stdout] test rlox::scanner::tests::tokens::literals::keywords::super_token ... ok
[INFO] [stdout] test rlox::scanner::tests::tokens::literals::keywords::this ... ok
[INFO] [stdout] test rlox::scanner::tests::tokens::literals::keywords::var ... ok
[INFO] [stdout] test rlox::scanner::tests::tokens::literals::keywords::while_token ... ok
[INFO] [stdout] test rlox::scanner::tests::tokens::literals::string ... ok
[INFO] [stdout] test rlox::scanner::tests::tokens::literals::number ... ok
[INFO] [stdout] test rlox::scanner::tests::tokens::minus ... ok
[INFO] [stdout] test rlox::scanner::tests::tokens::plus ... ok
[INFO] [stdout] test rlox::scanner::tests::tokens::right_brace ... ok
[INFO] [stdout] test rlox::scanner::tests::tokens::right_paren ... ok
[INFO] [stdout] test rlox::scanner::tests::tokens::semicolon ... ok
[INFO] [stdout] test rlox::scanner::tests::tokens::slash ... ok
[INFO] [stdout] test rlox::scanner::tests::tokens::star ... ok
[INFO] [stdout] test rlox::scanner::tests::tokens::white_space ... ok
[INFO] [stdout] test rlox::scanner::tests::tokens::less ... ok
[INFO] [stdout] test rlox::scanner::tests::tokens::literals::keywords::true_token ... ok
[INFO] [stdout] test rlox::scanner::tests::tokens::less_equal ... ok
[INFO] [stdout] test rlox::scanner::tests::tokens::literals::identifier ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 43 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rlox-3122363acc80be62
[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/classes-760fd9d316ea0f01
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test class_declaration_missing_open_brace ... ok
[INFO] [stdout] test class_declaration_missing_closing_brace ... ok
[INFO] [stdout] test class_declaration_doesnt_fail ... ok
[INFO] [stdout] test compared_by_identity ... ok
[INFO] [stdout] test detached_this ... ok
[INFO] [stdout] test callback_with_bound_this ... ok
[INFO] [stdout] test compare_instances_by_identity ... ok
[INFO] [stdout] test initializer_with_parameters ... ok
[INFO] [stdout] test printing_class_instance_shows_class_name ... ok
[INFO] [stdout] test set_property_in_instance ... ok
[INFO] [stdout] test printing_class_shows_class_name ... ok
[INFO] [stdout] test call_method_on_instance ... ok
[INFO] [stdout] test reach_this_from_instance_method ... ok
[INFO] [stdout] test read_property_from_instance_is_a_runtime_error ... ok
[INFO] [stdout] test calling_init_returns_the_same_instance ... ok
[INFO] [stdout] test instance_initializer ... ok
[INFO] [stdout] test return_from_init_throws_an_error ... ok
[INFO] [stdout] test using_this_in_non_method_fails ... ok
[INFO] [stdout] test using_this_in_root_fails ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/closures-d0c1dd7f1ab80fb9
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test simple_closure ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/functions-abfbd8ac1a7c2394
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test compared_by_identity ... ok
[INFO] [stdout] test function_parameters ... ok
[INFO] [stdout] test return_on_top_level ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/inheritance-607430cbf8a35806
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test referencing_super_without_access_fails ... ok
[INFO] [stdout] test expects_superclass_name_after_less_token ... ok
[INFO] [stdout] test can_call_superclass_method ... ok
[INFO] [stdout] test overriding_methods ... ok
[INFO] [stdout] test using_super ... ok
[INFO] [stdout] test using_super_outside_of_method_fails ... ok
[INFO] [stdout] test using_super_without_superclass_fails ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/scope-a36b0c132dab5194
[INFO] [stderr]    Doc-tests rlox
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test closure_environment_mutation ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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] running `"docker" "inspect" "c0b3281cdf4d640875e9b494e5545feaed2401291e44148b5a40d3fc99ad2214"`
[INFO] running `"docker" "rm" "-f" "c0b3281cdf4d640875e9b494e5545feaed2401291e44148b5a40d3fc99ad2214"`
[INFO] [stdout] c0b3281cdf4d640875e9b494e5545feaed2401291e44148b5a40d3fc99ad2214