[INFO] updating cached repository woowe/HMM
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/woowe/HMM
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/woowe/HMM" "work/ex/beta-1.37-6/sources/1.36.0/gh/woowe/HMM"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/woowe/HMM'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/woowe/HMM" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/woowe/HMM"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/woowe/HMM'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7a966c7fe6f3b29c0abb7b7e7e800fcf5949c536
[INFO] sha for GitHub repo woowe/HMM: 7a966c7fe6f3b29c0abb7b7e7e800fcf5949c536
[INFO] validating manifest of woowe/HMM 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 woowe/HMM 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 woowe/HMM
[INFO] finished frobbing woowe/HMM
[INFO] frobbed toml for woowe/HMM written to work/ex/beta-1.37-6/sources/1.36.0/gh/woowe/HMM/Cargo.toml
[INFO] started frobbing woowe/HMM
[INFO] finished frobbing woowe/HMM
[INFO] frobbed toml for woowe/HMM written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/woowe/HMM/Cargo.toml
[INFO] crate woowe/HMM 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/woowe/HMM/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[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 woowe/HMM 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/woowe/HMM:/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] 4fa5c6d529f6ed7e5fd9a343f05e36ac59d60f1821a0860ab14cca14a7449666
[INFO] running `"docker" "start" "-a" "4fa5c6d529f6ed7e5fd9a343f05e36ac59d60f1821a0860ab14cca14a7449666"`
[INFO] [stderr]    Compiling HMM v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0599]: no method named `at` found for type `regex::Captures<'_>` in the current scope
[INFO] [stderr]    --> src/main.rs:126:21
[INFO] [stderr]     |
[INFO] [stderr] 126 |                 cap.at(1).unwrap(),
[INFO] [stderr]     |                     ^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `at` found for type `regex::Captures<'_>` in the current scope
[INFO] [stderr]    --> src/main.rs:127:21
[INFO] [stderr]     |
[INFO] [stderr] 127 |                 cap.at(2).unwrap()
[INFO] [stderr]     |                     ^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: Could not compile `HMM`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "4fa5c6d529f6ed7e5fd9a343f05e36ac59d60f1821a0860ab14cca14a7449666"`
[INFO] running `"docker" "rm" "-f" "4fa5c6d529f6ed7e5fd9a343f05e36ac59d60f1821a0860ab14cca14a7449666"`
[INFO] [stdout] 4fa5c6d529f6ed7e5fd9a343f05e36ac59d60f1821a0860ab14cca14a7449666