[INFO] updating cached repository wmww/bft
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/wmww/bft
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/wmww/bft" "work/ex/beta-1.38-1/sources/1.37.0/gh/wmww/bft"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/wmww/bft'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/wmww/bft" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wmww/bft"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wmww/bft'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 87e3b8dded2e49dd4faf75a9094bd3dba0ee3992
[INFO] sha for GitHub repo wmww/bft: 87e3b8dded2e49dd4faf75a9094bd3dba0ee3992
[INFO] validating manifest of wmww/bft 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 wmww/bft 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 wmww/bft
[INFO] finished frobbing wmww/bft
[INFO] frobbed toml for wmww/bft written to work/ex/beta-1.38-1/sources/1.37.0/gh/wmww/bft/Cargo.toml
[INFO] started frobbing wmww/bft
[INFO] finished frobbing wmww/bft
[INFO] frobbed toml for wmww/bft written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wmww/bft/Cargo.toml
[INFO] crate wmww/bft 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing wmww/bft against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/wmww/bft:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 1d71b1a39269996054dacc35ab257490f29b98032cfa61a0247408fbaf5742bc
[INFO] running `"docker" "start" "-a" "1d71b1a39269996054dacc35ab257490f29b98032cfa61a0247408fbaf5742bc"`
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling colored v1.6.1
[INFO] [stderr]    Compiling bft v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `self::colored::*`
[INFO] [stderr]  --> src/io/issue.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use self::colored::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/source/lexer.rs:59:20
[INFO] [stderr]    |
[INFO] [stderr] 59 |                 '0'...'9' | 'a'...'z' | 'A'...'Z' | '_' => {
[INFO] [stderr]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/source/lexer.rs:59:32
[INFO] [stderr]    |
[INFO] [stderr] 59 |                 '0'...'9' | 'a'...'z' | 'A'...'Z' | '_' => {
[INFO] [stderr]    |                                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/source/lexer.rs:59:44
[INFO] [stderr]    |
[INFO] [stderr] 59 |                 '0'...'9' | 'a'...'z' | 'A'...'Z' | '_' => {
[INFO] [stderr]    |                                            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:11:17
[INFO] [stderr]    |
[INFO] [stderr] 11 |             Err(i) => {
[INFO] [stderr]    |                 ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `options`
[INFO] [stderr]   --> src/source/file.rs:14:29
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn open(path: &str, options: &io::Options) -> Result<File, String> {
[INFO] [stderr]    |                             ^^^^^^^ help: consider prefixing with an underscore: `_options`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `show_issue`
[INFO] [stderr]   --> src/io/options.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 |     pub fn show_issue(&self, issue: &Issue) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Debug`
[INFO] [stderr]  --> src/io/severity.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Debug,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `InternalError`
[INFO] [stderr]  --> src/io/severity.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     InternalError,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Warning`
[INFO] [stderr]  --> src/io/severity.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Warning,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Error`
[INFO] [stderr]  --> src/io/severity.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Error,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_ptr`
[INFO] [stderr]   --> src/runtime/debug.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn get_ptr(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_ptr`
[INFO] [stderr]   --> src/runtime/debug.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub fn set_ptr(&mut self, ptr: usize) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `queue_input_str`
[INFO] [stderr]   --> src/runtime/debug.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 |     pub fn queue_input_str(&mut self, input: &str) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_string`
[INFO] [stderr]   --> src/source/file.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn from_string(contents: String) -> File {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `TokenIter`
[INFO] [stderr]  --> src/source/lexer.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | type TokenIter = Span;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `between`
[INFO] [stderr]    --> src/source/span.rs:114:5
[INFO] [stderr]     |
[INFO] [stderr] 114 |     pub fn between(a: &Span, b: &Span) -> Span {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `issue`
[INFO] [stderr]    --> src/source/span.rs:125:5
[INFO] [stderr]     |
[INFO] [stderr] 125 |     pub fn issue(&self, severity: io::Severity, message: &str) -> io::Issue {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Generator`
[INFO] [stderr]    --> src/source/span.rs:155:1
[INFO] [stderr]     |
[INFO] [stderr] 155 | pub struct Generator {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/source/span.rs:161:5
[INFO] [stderr]     |
[INFO] [stderr] 161 |     pub fn new(src: Rc<File>) -> Generator {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `skip`
[INFO] [stderr]    --> src/source/span.rs:165:5
[INFO] [stderr]     |
[INFO] [stderr] 165 |     pub fn skip(&mut self, bytes: i32) -> &mut Generator {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `jump_to`
[INFO] [stderr]    --> src/source/span.rs:170:5
[INFO] [stderr]     |
[INFO] [stderr] 170 |     pub fn jump_to(&mut self, byte: usize) -> &mut Generator {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `reset`
[INFO] [stderr]    --> src/source/span.rs:175:5
[INFO] [stderr]     |
[INFO] [stderr] 175 |     pub fn reset(&mut self) -> &mut Generator {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `span`
[INFO] [stderr]    --> src/source/span.rs:179:5
[INFO] [stderr]     |
[INFO] [stderr] 179 |     pub fn span(&mut self, bytes: usize) -> Span {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `String`
[INFO] [stderr]   --> src/source/token.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     String(String, source::Span),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `token`
[INFO] [stderr]   --> src/source/token.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn token<'s>(self, span: source::Span) -> source::Token {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.41s
[INFO] running `"docker" "inspect" "1d71b1a39269996054dacc35ab257490f29b98032cfa61a0247408fbaf5742bc"`
[INFO] running `"docker" "rm" "-f" "1d71b1a39269996054dacc35ab257490f29b98032cfa61a0247408fbaf5742bc"`
[INFO] [stdout] 1d71b1a39269996054dacc35ab257490f29b98032cfa61a0247408fbaf5742bc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/wmww/bft:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3926703f9d3d3dee57aad5e788886396a49389c1cf7a35f58a0bd2d75ba50d88
[INFO] running `"docker" "start" "-a" "3926703f9d3d3dee57aad5e788886396a49389c1cf7a35f58a0bd2d75ba50d88"`
[INFO] [stderr]    Compiling bft v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `self::colored::*`
[INFO] [stderr]  --> src/io/issue.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use self::colored::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/source/lexer.rs:59:20
[INFO] [stderr]    |
[INFO] [stderr] 59 |                 '0'...'9' | 'a'...'z' | 'A'...'Z' | '_' => {
[INFO] [stderr]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/source/lexer.rs:59:32
[INFO] [stderr]    |
[INFO] [stderr] 59 |                 '0'...'9' | 'a'...'z' | 'A'...'Z' | '_' => {
[INFO] [stderr]    |                                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/source/lexer.rs:59:44
[INFO] [stderr]    |
[INFO] [stderr] 59 |                 '0'...'9' | 'a'...'z' | 'A'...'Z' | '_' => {
[INFO] [stderr]    |                                            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:11:17
[INFO] [stderr]    |
[INFO] [stderr] 11 |             Err(i) => {
[INFO] [stderr]    |                 ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/runtime/tests.rs:34:17
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let mut s = ::source::span::Generator::new(source.clone());
[INFO] [stderr]    |                 ^ help: consider prefixing with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `options`
[INFO] [stderr]   --> src/source/file.rs:14:29
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn open(path: &str, options: &io::Options) -> Result<File, String> {
[INFO] [stderr]    |                             ^^^^^^^ help: consider prefixing with an underscore: `_options`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/runtime/tests.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let mut s = ::source::span::Generator::new(source.clone());
[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] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/runtime/tests.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |         let mut tokens = ::source::lex(source);
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `show_issue`
[INFO] [stderr]   --> src/io/options.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 |     pub fn show_issue(&self, issue: &Issue) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Debug`
[INFO] [stderr]  --> src/io/severity.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Debug,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `InternalError`
[INFO] [stderr]  --> src/io/severity.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     InternalError,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Warning`
[INFO] [stderr]  --> src/io/severity.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Warning,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Error`
[INFO] [stderr]  --> src/io/severity.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Error,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `TokenIter`
[INFO] [stderr]  --> src/source/lexer.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | type TokenIter = Span;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `between`
[INFO] [stderr]    --> src/source/span.rs:114:5
[INFO] [stderr]     |
[INFO] [stderr] 114 |     pub fn between(a: &Span, b: &Span) -> Span {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `issue`
[INFO] [stderr]    --> src/source/span.rs:125:5
[INFO] [stderr]     |
[INFO] [stderr] 125 |     pub fn issue(&self, severity: io::Severity, message: &str) -> io::Issue {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `jump_to`
[INFO] [stderr]    --> src/source/span.rs:170:5
[INFO] [stderr]     |
[INFO] [stderr] 170 |     pub fn jump_to(&mut self, byte: usize) -> &mut Generator {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `reset`
[INFO] [stderr]    --> src/source/span.rs:175:5
[INFO] [stderr]     |
[INFO] [stderr] 175 |     pub fn reset(&mut self) -> &mut Generator {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `String`
[INFO] [stderr]   --> src/source/token.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     String(String, source::Span),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.21s
[INFO] running `"docker" "inspect" "3926703f9d3d3dee57aad5e788886396a49389c1cf7a35f58a0bd2d75ba50d88"`
[INFO] running `"docker" "rm" "-f" "3926703f9d3d3dee57aad5e788886396a49389c1cf7a35f58a0bd2d75ba50d88"`
[INFO] [stdout] 3926703f9d3d3dee57aad5e788886396a49389c1cf7a35f58a0bd2d75ba50d88
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/wmww/bft:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 340864ebe6597ce0603780a1b94879eec69c4543b7a689515a6bda10659ff996
[INFO] running `"docker" "start" "-a" "340864ebe6597ce0603780a1b94879eec69c4543b7a689515a6bda10659ff996"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/bft-47da7c6a0acf564f
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test runtime::tests::add ... ok
[INFO] [stdout] test runtime::tests::construct_runtime ... ok
[INFO] [stdout] test runtime::tests::loop_down ... ok
[INFO] [stdout] test runtime::tests::move_and_chage ... ok
[INFO] [stdout] test runtime::tests::op_input ... ok
[INFO] [stdout] test runtime::tests::op_minus ... ok
[INFO] [stdout] test runtime::tests::op_right ... ok
[INFO] [stdout] test runtime::tests::test_system_empty_code ... ok
[INFO] [stdout] test runtime::tests::op_output ... ok
[INFO] [stdout] test runtime::tests::op_left ... ok
[INFO] [stdout] test runtime::tests::op_plus ... ok
[INFO] [stdout] test source::lexer::tests::bf_complex_0 ... ok
[INFO] [stdout] test source::lexer::tests::close_brace ... ok
[INFO] [stdout] test runtime::tests::wrapping_add_and_subtract ... ok
[INFO] [stdout] test source::lexer::tests::open_brace ... ok
[INFO] [stdout] test source::lexer::tests::semicolon ... ok
[INFO] [stdout] test source::lexer::tests::colon ... ok
[INFO] [stdout] test source::lexer::tests::idents_0 ... ok
[INFO] [stdout] test source::lexer::tests::newline ... ok
[INFO] [stdout] test source::lexer::tests::newlines ... ok
[INFO] [stdout] test source::lexer::tests::single_char_ident ... ok
[INFO] [stdout] test source::lexer::tests::single_ident ... ok
[INFO] [stdout] test source::lexer::tests::all_0 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "340864ebe6597ce0603780a1b94879eec69c4543b7a689515a6bda10659ff996"`
[INFO] running `"docker" "rm" "-f" "340864ebe6597ce0603780a1b94879eec69c4543b7a689515a6bda10659ff996"`
[INFO] [stdout] 340864ebe6597ce0603780a1b94879eec69c4543b7a689515a6bda10659ff996