[INFO] updating cached repository AmaranthineCodices/rust-cc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/AmaranthineCodices/rust-cc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/AmaranthineCodices/rust-cc" "work/ex/beta-1.38-1/sources/1.37.0/gh/AmaranthineCodices/rust-cc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/AmaranthineCodices/rust-cc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/AmaranthineCodices/rust-cc" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/AmaranthineCodices/rust-cc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/AmaranthineCodices/rust-cc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] aadbf5067e0dfab4adc806fbef40ba0dde6b67b9
[INFO] sha for GitHub repo AmaranthineCodices/rust-cc: aadbf5067e0dfab4adc806fbef40ba0dde6b67b9
[INFO] validating manifest of AmaranthineCodices/rust-cc on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of AmaranthineCodices/rust-cc on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing AmaranthineCodices/rust-cc
[INFO] finished frobbing AmaranthineCodices/rust-cc
[INFO] frobbed toml for AmaranthineCodices/rust-cc written to work/ex/beta-1.38-1/sources/1.37.0/gh/AmaranthineCodices/rust-cc/Cargo.toml
[INFO] started frobbing AmaranthineCodices/rust-cc
[INFO] finished frobbing AmaranthineCodices/rust-cc
[INFO] frobbed toml for AmaranthineCodices/rust-cc written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/AmaranthineCodices/rust-cc/Cargo.toml
[INFO] crate AmaranthineCodices/rust-cc already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing AmaranthineCodices/rust-cc against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/AmaranthineCodices/rust-cc:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 3f7de1beeb35338ce36c2d74f7e97f2f87ae29d49680471456cbba68d6827f00
[INFO] running `"docker" "start" "-a" "3f7de1beeb35338ce36c2d74f7e97f2f87ae29d49680471456cbba68d6827f00"`
[INFO] [stderr]    Compiling libc v0.2.40
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]    Compiling rust-cc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | / lazy_static! {
[INFO] [stderr] 36 | |     static ref KEYWORDS: HashSet<&'static str> = HashSet::from_iter(vec![
[INFO] [stderr] 37 | |         "return", "int"
[INFO] [stderr] 38 | |     ]);
[INFO] [stderr] ...  |
[INFO] [stderr] 44 | |     static ref SYMBOL_REGEX: Regex = Regex::new(r"^[\(\)\{\};]").unwrap();
[INFO] [stderr] 45 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[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: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | / lazy_static! {
[INFO] [stderr] 36 | |     static ref KEYWORDS: HashSet<&'static str> = HashSet::from_iter(vec![
[INFO] [stderr] 37 | |         "return", "int"
[INFO] [stderr] 38 | |     ]);
[INFO] [stderr] ...  |
[INFO] [stderr] 44 | |     static ref SYMBOL_REGEX: Regex = Regex::new(r"^[\(\)\{\};]").unwrap();
[INFO] [stderr] 45 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[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: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | / lazy_static! {
[INFO] [stderr] 36 | |     static ref KEYWORDS: HashSet<&'static str> = HashSet::from_iter(vec![
[INFO] [stderr] 37 | |         "return", "int"
[INFO] [stderr] 38 | |     ]);
[INFO] [stderr] ...  |
[INFO] [stderr] 44 | |     static ref SYMBOL_REGEX: Regex = Regex::new(r"^[\(\)\{\};]").unwrap();
[INFO] [stderr] 45 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[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: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | / lazy_static! {
[INFO] [stderr] 36 | |     static ref KEYWORDS: HashSet<&'static str> = HashSet::from_iter(vec![
[INFO] [stderr] 37 | |         "return", "int"
[INFO] [stderr] 38 | |     ]);
[INFO] [stderr] ...  |
[INFO] [stderr] 44 | |     static ref SYMBOL_REGEX: Regex = Regex::new(r"^[\(\)\{\};]").unwrap();
[INFO] [stderr] 45 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[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: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | / lazy_static! {
[INFO] [stderr] 36 | |     static ref KEYWORDS: HashSet<&'static str> = HashSet::from_iter(vec![
[INFO] [stderr] 37 | |         "return", "int"
[INFO] [stderr] 38 | |     ]);
[INFO] [stderr] ...  |
[INFO] [stderr] 44 | |     static ref SYMBOL_REGEX: Regex = Regex::new(r"^[\(\)\{\};]").unwrap();
[INFO] [stderr] 45 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[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: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | / lazy_static! {
[INFO] [stderr] 36 | |     static ref KEYWORDS: HashSet<&'static str> = HashSet::from_iter(vec![
[INFO] [stderr] 37 | |         "return", "int"
[INFO] [stderr] 38 | |     ]);
[INFO] [stderr] ...  |
[INFO] [stderr] 44 | |     static ref SYMBOL_REGEX: Regex = Regex::new(r"^[\(\)\{\};]").unwrap();
[INFO] [stderr] 45 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[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: variant is never constructed: `Whitespace`
[INFO] [stderr]   --> src/lexer.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     Whitespace(&'a str),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `OpenBrace`
[INFO] [stderr]   --> src/lexer.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     OpenBrace,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CloseBrace`
[INFO] [stderr]   --> src/lexer.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     CloseBrace,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `OpenParen`
[INFO] [stderr]   --> src/lexer.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     OpenParen,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CloseParen`
[INFO] [stderr]   --> src/lexer.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     CloseParen,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Semicolon`
[INFO] [stderr]   --> src/lexer.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Semicolon,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Keyword`
[INFO] [stderr]   --> src/lexer.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     Keyword(&'a str),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Identifier`
[INFO] [stderr]   --> src/lexer.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     Identifier(&'a str),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `IntLiteral`
[INFO] [stderr]   --> src/lexer.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     IntLiteral(i32),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `LexError`
[INFO] [stderr]   --> src/lexer.rs:30:1
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub enum LexError {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `try_get`
[INFO] [stderr]   --> src/lexer.rs:47:1
[INFO] [stderr]    |
[INFO] [stderr] 47 | / fn try_get<'a, F>(current_input: &'a str, pattern: &Regex, transformer: F) -> Option<(&'a str, &'a str, LexemeKind<'a>)>
[INFO] [stderr] 48 | | where F: Fn(&'a str) -> LexemeKind<'a>,
[INFO] [stderr] 49 | | {
[INFO] [stderr] 50 | |     if let Some(matched_result) = pattern.find(current_input) {
[INFO] [stderr] ...  |
[INFO] [stderr] 57 | |     }
[INFO] [stderr] 58 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `convert_identifier_str`
[INFO] [stderr]   --> src/lexer.rs:60:1
[INFO] [stderr]    |
[INFO] [stderr] 60 | fn convert_identifier_str<'a>(identifier: &'a str) -> LexemeKind<'a> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `convert_symbol_str`
[INFO] [stderr]   --> src/lexer.rs:69:1
[INFO] [stderr]    |
[INFO] [stderr] 69 | fn convert_symbol_str<'a>(symbol: &'a str) -> LexemeKind<'a> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_next_token`
[INFO] [stderr]   --> src/lexer.rs:80:1
[INFO] [stderr]    |
[INFO] [stderr] 80 | fn get_next_token<'a>(current_input: &'a str) -> Option<(&'a str, &'a str, LexemeKind<'a>)> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `lex_str`
[INFO] [stderr]   --> src/lexer.rs:87:1
[INFO] [stderr]    |
[INFO] [stderr] 87 | pub fn lex_str(input: &str) -> Result<Vec<Lexeme>, LexError> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.80s
[INFO] running `"docker" "inspect" "3f7de1beeb35338ce36c2d74f7e97f2f87ae29d49680471456cbba68d6827f00"`
[INFO] running `"docker" "rm" "-f" "3f7de1beeb35338ce36c2d74f7e97f2f87ae29d49680471456cbba68d6827f00"`
[INFO] [stdout] 3f7de1beeb35338ce36c2d74f7e97f2f87ae29d49680471456cbba68d6827f00
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/AmaranthineCodices/rust-cc:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6d9a7cd1f8141d0b68036c49e7785ea1826084d8ae55eb1af956fb95f134b3b5
[INFO] running `"docker" "start" "-a" "6d9a7cd1f8141d0b68036c49e7785ea1826084d8ae55eb1af956fb95f134b3b5"`
[INFO] [stderr]    Compiling rust-cc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | / lazy_static! {
[INFO] [stderr] 36 | |     static ref KEYWORDS: HashSet<&'static str> = HashSet::from_iter(vec![
[INFO] [stderr] 37 | |         "return", "int"
[INFO] [stderr] 38 | |     ]);
[INFO] [stderr] ...  |
[INFO] [stderr] 44 | |     static ref SYMBOL_REGEX: Regex = Regex::new(r"^[\(\)\{\};]").unwrap();
[INFO] [stderr] 45 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[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: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | / lazy_static! {
[INFO] [stderr] 36 | |     static ref KEYWORDS: HashSet<&'static str> = HashSet::from_iter(vec![
[INFO] [stderr] 37 | |         "return", "int"
[INFO] [stderr] 38 | |     ]);
[INFO] [stderr] ...  |
[INFO] [stderr] 44 | |     static ref SYMBOL_REGEX: Regex = Regex::new(r"^[\(\)\{\};]").unwrap();
[INFO] [stderr] 45 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[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: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | / lazy_static! {
[INFO] [stderr] 36 | |     static ref KEYWORDS: HashSet<&'static str> = HashSet::from_iter(vec![
[INFO] [stderr] 37 | |         "return", "int"
[INFO] [stderr] 38 | |     ]);
[INFO] [stderr] ...  |
[INFO] [stderr] 44 | |     static ref SYMBOL_REGEX: Regex = Regex::new(r"^[\(\)\{\};]").unwrap();
[INFO] [stderr] 45 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[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: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | / lazy_static! {
[INFO] [stderr] 36 | |     static ref KEYWORDS: HashSet<&'static str> = HashSet::from_iter(vec![
[INFO] [stderr] 37 | |         "return", "int"
[INFO] [stderr] 38 | |     ]);
[INFO] [stderr] ...  |
[INFO] [stderr] 44 | |     static ref SYMBOL_REGEX: Regex = Regex::new(r"^[\(\)\{\};]").unwrap();
[INFO] [stderr] 45 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[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: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | / lazy_static! {
[INFO] [stderr] 36 | |     static ref KEYWORDS: HashSet<&'static str> = HashSet::from_iter(vec![
[INFO] [stderr] 37 | |         "return", "int"
[INFO] [stderr] 38 | |     ]);
[INFO] [stderr] ...  |
[INFO] [stderr] 44 | |     static ref SYMBOL_REGEX: Regex = Regex::new(r"^[\(\)\{\};]").unwrap();
[INFO] [stderr] 45 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[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: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | / lazy_static! {
[INFO] [stderr] 36 | |     static ref KEYWORDS: HashSet<&'static str> = HashSet::from_iter(vec![
[INFO] [stderr] 37 | |         "return", "int"
[INFO] [stderr] 38 | |     ]);
[INFO] [stderr] ...  |
[INFO] [stderr] 44 | |     static ref SYMBOL_REGEX: Regex = Regex::new(r"^[\(\)\{\};]").unwrap();
[INFO] [stderr] 45 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[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 2.39s
[INFO] running `"docker" "inspect" "6d9a7cd1f8141d0b68036c49e7785ea1826084d8ae55eb1af956fb95f134b3b5"`
[INFO] running `"docker" "rm" "-f" "6d9a7cd1f8141d0b68036c49e7785ea1826084d8ae55eb1af956fb95f134b3b5"`
[INFO] [stdout] 6d9a7cd1f8141d0b68036c49e7785ea1826084d8ae55eb1af956fb95f134b3b5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/AmaranthineCodices/rust-cc:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] b8a2cb18b0cc4a028b61bc920c29a795de7207032ed615bedd0b592bf65669fb
[INFO] running `"docker" "start" "-a" "b8a2cb18b0cc4a028b61bc920c29a795de7207032ed615bedd0b592bf65669fb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_cc-5097ff89b418e4de
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test lexer::test::lexing_symbols ... ok
[INFO] [stdout] test lexer::test::int_literals ... ok
[INFO] [stdout] test lexer::test::get_next_token_test ... ok
[INFO] [stdout] test lexer::test::lexing_identifiers_vs_keywords ... ok
[INFO] [stdout] test lexer::test::lex_str_test ... ok
[INFO] [stdout] test lexer::test::try_get_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b8a2cb18b0cc4a028b61bc920c29a795de7207032ed615bedd0b592bf65669fb"`
[INFO] running `"docker" "rm" "-f" "b8a2cb18b0cc4a028b61bc920c29a795de7207032ed615bedd0b592bf65669fb"`
[INFO] [stdout] b8a2cb18b0cc4a028b61bc920c29a795de7207032ed615bedd0b592bf65669fb