[INFO] updating cached repository jessegrosjean/libripgrep_example
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jessegrosjean/libripgrep_example
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jessegrosjean/libripgrep_example" "work/ex/beta-1.38-1/sources/1.37.0/gh/jessegrosjean/libripgrep_example"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jessegrosjean/libripgrep_example'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jessegrosjean/libripgrep_example" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jessegrosjean/libripgrep_example"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jessegrosjean/libripgrep_example'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1ef008fc9f8949415e275aac61f77baf9ac46f71
[INFO] sha for GitHub repo jessegrosjean/libripgrep_example: 1ef008fc9f8949415e275aac61f77baf9ac46f71
[INFO] validating manifest of jessegrosjean/libripgrep_example 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 jessegrosjean/libripgrep_example 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 jessegrosjean/libripgrep_example
[INFO] removed path dependency grep from jessegrosjean/libripgrep_example
[INFO] removed path dependency grep-matcher from jessegrosjean/libripgrep_example
[INFO] removed path dependency grep-regex from jessegrosjean/libripgrep_example
[INFO] removed path dependency grep-searcher from jessegrosjean/libripgrep_example
[INFO] removed path dependency ignore from jessegrosjean/libripgrep_example
[INFO] finished frobbing jessegrosjean/libripgrep_example
[INFO] frobbed toml for jessegrosjean/libripgrep_example written to work/ex/beta-1.38-1/sources/1.37.0/gh/jessegrosjean/libripgrep_example/Cargo.toml
[INFO] started frobbing jessegrosjean/libripgrep_example
[INFO] removed path dependency grep from jessegrosjean/libripgrep_example
[INFO] removed path dependency grep-matcher from jessegrosjean/libripgrep_example
[INFO] removed path dependency grep-regex from jessegrosjean/libripgrep_example
[INFO] removed path dependency grep-searcher from jessegrosjean/libripgrep_example
[INFO] removed path dependency ignore from jessegrosjean/libripgrep_example
[INFO] finished frobbing jessegrosjean/libripgrep_example
[INFO] frobbed toml for jessegrosjean/libripgrep_example written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jessegrosjean/libripgrep_example/Cargo.toml
[INFO] crate jessegrosjean/libripgrep_example 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]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jessegrosjean/libripgrep_example/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" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 jessegrosjean/libripgrep_example 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/jessegrosjean/libripgrep_example:/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] eaf20a9e896dd820b9fdd0b7a18a946f3599069255d7bc4b6110d399de11cda7
[INFO] running `"docker" "start" "-a" "eaf20a9e896dd820b9fdd0b7a18a946f3599069255d7bc4b6110d399de11cda7"`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling bytecount v0.5.1
[INFO] [stderr]    Compiling grep-searcher v0.0.1
[INFO] [stderr]    Compiling grep-regex v0.0.1
[INFO] [stderr]    Compiling grep-matcher v0.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.1
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling syn v1.0.3
[INFO] [stderr]    Compiling regex-automata v0.1.8
[INFO] [stderr]    Compiling grep-matcher v0.1.3
[INFO] [stderr]    Compiling encoding_rs_io v0.1.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.5.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling crossbeam-deque v0.5.2
[INFO] [stderr]    Compiling grep-regex v0.1.5
[INFO] [stderr]    Compiling bstr v0.2.7
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling globset v0.4.4
[INFO] [stderr]    Compiling grep-searcher v0.1.6
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling grep-cli v0.1.3
[INFO] [stderr]    Compiling ignore v0.4.10
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling crossbeam-channel v0.2.6
[INFO] [stderr]    Compiling crossbeam v0.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]    Compiling grep-printer v0.1.3
[INFO] [stderr]    Compiling grep v0.2.4
[INFO] [stderr]    Compiling libripgrep_example v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0432]: unresolved import `grep_regex::RegexMatcher`
[INFO] [stderr]   --> src/main.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 | use grep_regex::RegexMatcher;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^ no `RegexMatcher` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `grep_matcher::Matcher`
[INFO] [stderr]   --> src/main.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     Matcher
[INFO] [stderr]    |     ^^^^^^^ no `Matcher` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved imports `grep_searcher::Sink`, `grep_searcher::Searcher`, `grep_searcher::SinkMatch`, `grep_searcher::SearcherBuilder`, `grep_searcher::MmapChoice`
[INFO] [stderr]   --> src/main.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     Sink,
[INFO] [stderr]    |     ^^^^ no `Sink` in the root
[INFO] [stderr] 32 |     Searcher,
[INFO] [stderr]    |     ^^^^^^^^ no `Searcher` in the root
[INFO] [stderr] 33 |     SinkMatch,
[INFO] [stderr]    |     ^^^^^^^^^ no `SinkMatch` in the root
[INFO] [stderr] 34 |     SearcherBuilder,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ no `SearcherBuilder` in the root
[INFO] [stderr] 35 |     MmapChoice,
[INFO] [stderr]    |     ^^^^^^^^^^ no `MmapChoice` in the root
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:43:77
[INFO] [stderr]    |
[INFO] [stderr] 43 | pub fn scan_path(pattern: &str, path: &str) -> Result<(Vec<FileMatch>), Box<Error>> {
[INFO] [stderr]    |                                                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `libripgrep_example`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "eaf20a9e896dd820b9fdd0b7a18a946f3599069255d7bc4b6110d399de11cda7"`
[INFO] running `"docker" "rm" "-f" "eaf20a9e896dd820b9fdd0b7a18a946f3599069255d7bc4b6110d399de11cda7"`
[INFO] [stdout] eaf20a9e896dd820b9fdd0b7a18a946f3599069255d7bc4b6110d399de11cda7