[INFO] fetching crate rflex 0.5.0...
[INFO] extracting crate rflex 0.5.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/rflex/0.5.0
[INFO] extracting crate rflex 0.5.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/rflex/0.5.0
[INFO] validating manifest of rflex-0.5.0 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 rflex-0.5.0 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 rflex-0.5.0
[INFO] finished frobbing rflex-0.5.0
[INFO] frobbed toml for rflex-0.5.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/rflex/0.5.0/Cargo.toml
[INFO] started frobbing rflex-0.5.0
[INFO] finished frobbing rflex-0.5.0
[INFO] frobbed toml for rflex-0.5.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/rflex/0.5.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 rflex-0.5.0 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-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/rflex/0.5.0:/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] 97686ec9447e9ab805ce3f37d9cb2c62061d0074bcce94470710a9b480d7692c
[INFO] running `"docker" "start" "-a" "97686ec9447e9ab805ce3f37d9cb2c62061d0074bcce94470710a9b480d7692c"`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling liquid-error v0.16.1
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling liquid-value v0.17.1
[INFO] [stderr]    Compiling liquid-interpreter v0.17.1
[INFO] [stderr]    Compiling liquid-compiler v0.17.1
[INFO] [stderr]    Compiling liquid v0.17.1
[INFO] [stderr]    Compiling rflex v0.5.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `set_end`
[INFO] [stderr]   --> src/charclasses.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn set_end(&mut self, end: usize) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_start`
[INFO] [stderr]   --> src/charclasses.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn set_start(&mut self, start: usize) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_char`
[INFO] [stderr]    --> src/charclasses.rs:155:5
[INFO] [stderr]     |
[INFO] [stderr] 155 |     pub fn add_char(&mut self, c: usize) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_max_char_code`
[INFO] [stderr]    --> src/charclasses.rs:396:5
[INFO] [stderr]     |
[INFO] [stderr] 396 |     pub fn get_max_char_code(&self) -> usize {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_max_char_code`
[INFO] [stderr]    --> src/charclasses.rs:400:5
[INFO] [stderr]     |
[INFO] [stderr] 400 |     pub fn set_max_char_code(&mut self, max_char_code: usize) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_string_i`
[INFO] [stderr]    --> src/charclasses.rs:511:5
[INFO] [stderr]     |
[INFO] [stderr] 511 |     pub fn to_string_i(&self, index: usize) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `write_dot`
[INFO] [stderr]    --> src/dfa.rs:480:5
[INFO] [stderr]     |
[INFO] [stderr] 480 |     pub fn write_dot(&self) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `dump`
[INFO] [stderr]    --> src/dfa.rs:503:5
[INFO] [stderr]     |
[INFO] [stderr] 503 |     pub fn dump(&self) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `dump_epsilon`
[INFO] [stderr]    --> src/nfa.rs:528:5
[INFO] [stderr]     |
[INFO] [stderr] 528 |     fn dump_epsilon(&self, epsilon: Vec<Option<Rc<RefCell<FixedBitSet>>>>) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/nfa.rs:527:12
[INFO] [stderr]     |
[INFO] [stderr] 527 |     #[warn(dead_code)]
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `dump_fixedbit`
[INFO] [stderr]    --> src/nfa.rs:542:5
[INFO] [stderr]     |
[INFO] [stderr] 542 |     fn dump_fixedbit(&self, v: &FixedBitSet) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/nfa.rs:541:12
[INFO] [stderr]     |
[INFO] [stderr] 541 |     #[warn(dead_code)]
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `dump_fixedbit_str`
[INFO] [stderr]    --> src/nfa.rs:546:5
[INFO] [stderr]     |
[INFO] [stderr] 546 |     fn dump_fixedbit_str(&self, v: &FixedBitSet) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `write_dot`
[INFO] [stderr]    --> src/nfa.rs:559:5
[INFO] [stderr]     |
[INFO] [stderr] 559 |     pub fn write_dot(&self) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `dump_table`
[INFO] [stderr]    --> src/nfa.rs:594:5
[INFO] [stderr]     |
[INFO] [stderr] 594 |     pub fn dump_table(&self) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Name`
[INFO] [stderr]   --> src/scanner.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     Name(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_char_classes`
[INFO] [stderr]    --> src/scanner.rs:354:5
[INFO] [stderr]     |
[INFO] [stderr] 354 |     pub fn get_char_classes(&self) -> CharClasses {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_regex`
[INFO] [stderr]    --> src/scanner.rs:584:1
[INFO] [stderr]     |
[INFO] [stderr] 584 | fn parse_regex(line_num: usize, line: &String) -> Result<(IR, String), TranslateError> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `num`
[INFO] [stderr]    --> src/scanner.rs:681:5
[INFO] [stderr]     |
[INFO] [stderr] 681 |     pub fn num(num: i32) -> Action {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.44s
[INFO] running `"docker" "inspect" "97686ec9447e9ab805ce3f37d9cb2c62061d0074bcce94470710a9b480d7692c"`
[INFO] running `"docker" "rm" "-f" "97686ec9447e9ab805ce3f37d9cb2c62061d0074bcce94470710a9b480d7692c"`
[INFO] [stdout] 97686ec9447e9ab805ce3f37d9cb2c62061d0074bcce94470710a9b480d7692c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/rflex/0.5.0:/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] 1906bd3cba786cd36b93b8948fcd29d314a69a600fee81872dc1e25be076774f
[INFO] running `"docker" "start" "-a" "1906bd3cba786cd36b93b8948fcd29d314a69a600fee81872dc1e25be076774f"`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling rflex v0.5.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `set_end`
[INFO] [stderr]   --> src/charclasses.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn set_end(&mut self, end: usize) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_start`
[INFO] [stderr]   --> src/charclasses.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn set_start(&mut self, start: usize) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_max_char_code`
[INFO] [stderr]    --> src/charclasses.rs:396:5
[INFO] [stderr]     |
[INFO] [stderr] 396 |     pub fn get_max_char_code(&self) -> usize {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_max_char_code`
[INFO] [stderr]    --> src/charclasses.rs:400:5
[INFO] [stderr]     |
[INFO] [stderr] 400 |     pub fn set_max_char_code(&mut self, max_char_code: usize) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `dump`
[INFO] [stderr]    --> src/dfa.rs:503:5
[INFO] [stderr]     |
[INFO] [stderr] 503 |     pub fn dump(&self) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `dump_epsilon`
[INFO] [stderr]    --> src/nfa.rs:528:5
[INFO] [stderr]     |
[INFO] [stderr] 528 |     fn dump_epsilon(&self, epsilon: Vec<Option<Rc<RefCell<FixedBitSet>>>>) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/nfa.rs:527:12
[INFO] [stderr]     |
[INFO] [stderr] 527 |     #[warn(dead_code)]
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `dump_fixedbit`
[INFO] [stderr]    --> src/nfa.rs:542:5
[INFO] [stderr]     |
[INFO] [stderr] 542 |     fn dump_fixedbit(&self, v: &FixedBitSet) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/nfa.rs:541:12
[INFO] [stderr]     |
[INFO] [stderr] 541 |     #[warn(dead_code)]
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `dump_fixedbit_str`
[INFO] [stderr]    --> src/nfa.rs:546:5
[INFO] [stderr]     |
[INFO] [stderr] 546 |     fn dump_fixedbit_str(&self, v: &FixedBitSet) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `dump_table`
[INFO] [stderr]    --> src/nfa.rs:594:5
[INFO] [stderr]     |
[INFO] [stderr] 594 |     pub fn dump_table(&self) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Name`
[INFO] [stderr]   --> src/scanner.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     Name(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_char_classes`
[INFO] [stderr]    --> src/scanner.rs:354:5
[INFO] [stderr]     |
[INFO] [stderr] 354 |     pub fn get_char_classes(&self) -> CharClasses {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.27s
[INFO] running `"docker" "inspect" "1906bd3cba786cd36b93b8948fcd29d314a69a600fee81872dc1e25be076774f"`
[INFO] running `"docker" "rm" "-f" "1906bd3cba786cd36b93b8948fcd29d314a69a600fee81872dc1e25be076774f"`
[INFO] [stdout] 1906bd3cba786cd36b93b8948fcd29d314a69a600fee81872dc1e25be076774f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/rflex/0.5.0:/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] 1a34a8ac904408ffb7b5727f283e71bd5c5efa6d9ff5998959372cdaa2793a2a
[INFO] running `"docker" "start" "-a" "1a34a8ac904408ffb7b5727f283e71bd5c5efa6d9ff5998959372cdaa2793a2a"`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rflex-520e5e7aebbb16f1
[INFO] [stdout] 
[INFO] [stdout] running 40 tests
[INFO] [stdout] test charclasses::tests::char_classes_intervals ... ok
[INFO] [stdout] test scanner::tests::build_trivial ... ok
[INFO] [stdout] test scanner::tests::a_b_c_dot ... ok
[INFO] [stdout] test charclasses::tests::interval_formatter ... ok
[INFO] [stdout] test charclasses::tests::int_char_set ... ok
[INFO] [stdout] test charclasses::tests::char_class_interval_format ... ok
[INFO] [stdout] test scanner::tests::build_bol ... ok
[INFO] [stdout] test scanner::tests::condition_2 ... ok
[INFO] [stdout] test scanner::tests::build_bol2 ... ok
[INFO] [stdout] test scanner::tests::eof_1 ... ok
[INFO] [stdout] test scanner::tests::fail_to_parse_literal ... ok
[INFO] [stdout] test scanner::tests::dfa_minimize_1 ... ok
[INFO] [stdout] test scanner::tests::nfa_build_alter_group ... ok
[INFO] [stdout] test scanner::tests::nfa_build_alter2 ... ok
[INFO] [stdout] test scanner::tests::nfa_build_charset ... ok
[INFO] [stdout] test scanner::tests::nfa_build_notcharset ... ok
[INFO] [stdout] test scanner::tests::nfa_build_char_class ... ok
[INFO] [stdout] test scanner::tests::parse_alternation_eq ... ok
[INFO] [stdout] test scanner::tests::nfa_build_rep2 ... ok
[INFO] [stdout] test scanner::tests::parse_dot ... ok
[INFO] [stdout] test scanner::tests::parse_ir_bracket ... ok
[INFO] [stdout] test scanner::tests::parse_ir_eq_alternation ... ok
[INFO] [stdout] test scanner::tests::nfa_build_rep3 ... ok
[INFO] [stdout] test scanner::tests::nfa_build_str ... ok
[INFO] [stdout] test scanner::tests::nfa_build_repetition ... ok
[INFO] [stdout] test scanner::tests::parse_ir_bol ... ok
[INFO] [stdout] test scanner::tests::parse_ir_eq_concat_and_more ... ok
[INFO] [stdout] test scanner::tests::parse_ir_eq_alternation_with_concat ... ok
[INFO] [stdout] test scanner::tests::parse_ir_eq_group ... ok
[INFO] [stdout] test scanner::tests::parse_ir_eq_alternation_with_plus ... ok
[INFO] [stdout] test scanner::tests::parse_literal ... ok
[INFO] [stdout] test scanner::tests::parse_star ... ok
[INFO] [stdout] test scanner::tests::parse_ir_trivial ... ok
[INFO] [stdout] test scanner::tests::parse_literal_eq ... ok
[INFO] [stdout] test scanner::tests::scan_multiple_line_action ... ok
[INFO] [stdout] test scanner::tests::parse_letter ... ok
[INFO] [stdout] test scanner::tests::test_char_class ... ok
[INFO] [stdout] test scanner::tests::nfa_build_alter ... ok
[INFO] [stdout] test scanner::tests::lexer_1 ... ok
[INFO] [stdout] test scanner::tests::lexer_2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 40 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rflex-90c9899cae73974c
[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]    Doc-tests rflex
[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" "1a34a8ac904408ffb7b5727f283e71bd5c5efa6d9ff5998959372cdaa2793a2a"`
[INFO] running `"docker" "rm" "-f" "1a34a8ac904408ffb7b5727f283e71bd5c5efa6d9ff5998959372cdaa2793a2a"`
[INFO] [stdout] 1a34a8ac904408ffb7b5727f283e71bd5c5efa6d9ff5998959372cdaa2793a2a