[INFO] cloning repository https://github.com/jessegrosjean/libripgrep_example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jessegrosjean/libripgrep_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjessegrosjean%2Flibripgrep_example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjessegrosjean%2Flibripgrep_example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1ef008fc9f8949415e275aac61f77baf9ac46f71
[INFO] documenting jessegrosjean/libripgrep_example against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjessegrosjean%2Flibripgrep_example" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jessegrosjean/libripgrep_example on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jessegrosjean/libripgrep_example
[INFO] removed path dependency grep from git repo https://github.com/jessegrosjean/libripgrep_example
[INFO] removed path dependency grep-matcher from git repo https://github.com/jessegrosjean/libripgrep_example
[INFO] removed path dependency grep-regex from git repo https://github.com/jessegrosjean/libripgrep_example
[INFO] removed path dependency grep-searcher from git repo https://github.com/jessegrosjean/libripgrep_example
[INFO] removed path dependency ignore from git repo https://github.com/jessegrosjean/libripgrep_example
[INFO] finished tweaking git repo https://github.com/jessegrosjean/libripgrep_example
[INFO] tweaked toml for git repo https://github.com/jessegrosjean/libripgrep_example written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/jessegrosjean/libripgrep_example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50778edf5a6431b1c5aad4ebc8b59814becbc4194af1447c4c33dba29ffb4791
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "50778edf5a6431b1c5aad4ebc8b59814becbc4194af1447c4c33dba29ffb4791", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50778edf5a6431b1c5aad4ebc8b59814becbc4194af1447c4c33dba29ffb4791", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50778edf5a6431b1c5aad4ebc8b59814becbc4194af1447c4c33dba29ffb4791", kill_on_drop: false }`
[INFO] [stdout] 50778edf5a6431b1c5aad4ebc8b59814becbc4194af1447c4c33dba29ffb4791
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12049d324d3b17ef94c967a138d9a39adc2c7d3d9fd978d7c6cdf959c990692d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "12049d324d3b17ef94c967a138d9a39adc2c7d3d9fd978d7c6cdf959c990692d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.20
[INFO] [stderr]    Compiling encoding_rs v0.8.24
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking bytecount v0.6.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking grep-regex v0.0.1
[INFO] [stderr]     Checking grep-matcher v0.0.1
[INFO] [stderr]     Checking grep-searcher v0.0.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking grep-matcher v0.1.4
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking crossbeam-deque v0.5.2
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking grep-regex v0.1.8
[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stderr]     Checking grep-cli v0.1.5
[INFO] [stderr]     Checking ignore v0.4.16
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking crossbeam-channel v0.2.6
[INFO] [stderr]     Checking encoding_rs_io v0.1.7
[INFO] [stderr]     Checking grep-searcher v0.1.7
[INFO] [stderr]     Checking crossbeam v0.4.1
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking grep-printer v0.1.5
[INFO] [stderr]     Checking grep v0.2.7
[INFO] [stderr]  Documenting libripgrep_example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `grep_regex::RegexMatcher`
[INFO] [stdout]   --> src/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use grep_regex::RegexMatcher;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^ no `RegexMatcher` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `grep_matcher::Matcher`
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     Matcher
[INFO] [stdout]    |     ^^^^^^^ no `Matcher` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `grep_searcher::Sink`, `grep_searcher::Searcher`, `grep_searcher::SinkMatch`, `grep_searcher::SearcherBuilder`, `grep_searcher::MmapChoice`
[INFO] [stdout]   --> src/main.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     Sink,
[INFO] [stdout]    |     ^^^^ no `Sink` in the root
[INFO] [stdout] 32 |     Searcher,
[INFO] [stdout]    |     ^^^^^^^^ no `Searcher` in the root
[INFO] [stdout] 33 |     SinkMatch,
[INFO] [stdout]    |     ^^^^^^^^^ no `SinkMatch` in the root
[INFO] [stdout] 34 |     SearcherBuilder,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^ no `SearcherBuilder` in the root
[INFO] [stdout] 35 |     MmapChoice,
[INFO] [stdout]    |     ^^^^^^^^^^ no `MmapChoice` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `libripgrep_example`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name libripgrep_example src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern crossbeam=/opt/rustwide/target/debug/deps/libcrossbeam-00d1bd5ed2a4723d.rmeta --extern grep=/opt/rustwide/target/debug/deps/libgrep-7b5cb7114009de69.rmeta --extern grep_matcher=/opt/rustwide/target/debug/deps/libgrep_matcher-068eb93907b2724a.rmeta --extern grep_regex=/opt/rustwide/target/debug/deps/libgrep_regex-e7c14d587ed6962b.rmeta --extern grep_searcher=/opt/rustwide/target/debug/deps/libgrep_searcher-a83a692fdbad0fbe.rmeta --extern ignore=/opt/rustwide/target/debug/deps/libignore-e391850d9d96e25a.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-ef9e7676cee12a0b.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "12049d324d3b17ef94c967a138d9a39adc2c7d3d9fd978d7c6cdf959c990692d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12049d324d3b17ef94c967a138d9a39adc2c7d3d9fd978d7c6cdf959c990692d", kill_on_drop: false }`
[INFO] [stdout] 12049d324d3b17ef94c967a138d9a39adc2c7d3d9fd978d7c6cdf959c990692d