[INFO] updating cached repository djkoloski/lex_rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/djkoloski/lex_rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/djkoloski/lex_rs" "work/ex/beta-1.37-6/sources/1.36.0/gh/djkoloski/lex_rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/djkoloski/lex_rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/djkoloski/lex_rs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/djkoloski/lex_rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/djkoloski/lex_rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7c54e49c4086753479a3689d53549a161df5fd08
[INFO] sha for GitHub repo djkoloski/lex_rs: 7c54e49c4086753479a3689d53549a161df5fd08
[INFO] validating manifest of djkoloski/lex_rs 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 djkoloski/lex_rs 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 djkoloski/lex_rs
[INFO] finished frobbing djkoloski/lex_rs
[INFO] frobbed toml for djkoloski/lex_rs written to work/ex/beta-1.37-6/sources/1.36.0/gh/djkoloski/lex_rs/Cargo.toml
[INFO] started frobbing djkoloski/lex_rs
[INFO] finished frobbing djkoloski/lex_rs
[INFO] frobbed toml for djkoloski/lex_rs written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/djkoloski/lex_rs/Cargo.toml
[INFO] crate djkoloski/lex_rs 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 djkoloski/lex_rs against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/djkoloski/lex_rs:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 2f90eebbd01328f2c1c2bf1536b1ca343f6838eb5e84365cc11ab42ccd146b95
[INFO] running `"docker" "start" "-a" "2f90eebbd01328f2c1c2bf1536b1ca343f6838eb5e84365cc11ab42ccd146b95"`
[INFO] [stderr]    Compiling lex_rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]   --> src/main.rs:23:23
[INFO] [stderr]    |
[INFO] [stderr] 23 |         (token, regex.trim_left())
[INFO] [stderr]    |                       ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `len`
[INFO] [stderr]   --> src/nfa.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn len(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `states`
[INFO] [stderr]   --> src/nfa.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn states(&self) -> impl Iterator<Item = usize> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `edges`
[INFO] [stderr]   --> src/nfa.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     pub fn edges(&self, from: usize) -> impl Iterator<Item = (Epsilon<&S>, &usize)> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.15s
[INFO] running `"docker" "inspect" "2f90eebbd01328f2c1c2bf1536b1ca343f6838eb5e84365cc11ab42ccd146b95"`
[INFO] running `"docker" "rm" "-f" "2f90eebbd01328f2c1c2bf1536b1ca343f6838eb5e84365cc11ab42ccd146b95"`
[INFO] [stdout] 2f90eebbd01328f2c1c2bf1536b1ca343f6838eb5e84365cc11ab42ccd146b95
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/djkoloski/lex_rs:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 045d830b381f6bd5de283bfe2c3df11b40eefe288d4261443d9b30861cbf5f5b
[INFO] running `"docker" "start" "-a" "045d830b381f6bd5de283bfe2c3df11b40eefe288d4261443d9b30861cbf5f5b"`
[INFO] [stderr]    Compiling lex_rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]   --> src/main.rs:23:23
[INFO] [stderr]    |
[INFO] [stderr] 23 |         (token, regex.trim_left())
[INFO] [stderr]    |                       ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `len`
[INFO] [stderr]   --> src/nfa.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn len(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `states`
[INFO] [stderr]   --> src/nfa.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn states(&self) -> impl Iterator<Item = usize> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `edges`
[INFO] [stderr]   --> src/nfa.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     pub fn edges(&self, from: usize) -> impl Iterator<Item = (Epsilon<&S>, &usize)> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `"docker" "inspect" "045d830b381f6bd5de283bfe2c3df11b40eefe288d4261443d9b30861cbf5f5b"`
[INFO] running `"docker" "rm" "-f" "045d830b381f6bd5de283bfe2c3df11b40eefe288d4261443d9b30861cbf5f5b"`
[INFO] [stdout] 045d830b381f6bd5de283bfe2c3df11b40eefe288d4261443d9b30861cbf5f5b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/djkoloski/lex_rs:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] ff5006e7873d6f72f3b0bcef946f313b13cd2651a96b5c35f1d2e77fd3afbd6e
[INFO] running `"docker" "start" "-a" "ff5006e7873d6f72f3b0bcef946f313b13cd2651a96b5c35f1d2e77fd3afbd6e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lex_rs-6f4ff1b66f1f53c3
[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" "ff5006e7873d6f72f3b0bcef946f313b13cd2651a96b5c35f1d2e77fd3afbd6e"`
[INFO] running `"docker" "rm" "-f" "ff5006e7873d6f72f3b0bcef946f313b13cd2651a96b5c35f1d2e77fd3afbd6e"`
[INFO] [stdout] ff5006e7873d6f72f3b0bcef946f313b13cd2651a96b5c35f1d2e77fd3afbd6e