[INFO] cloning repository https://github.com/puma3/distributed_recommender
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/puma3/distributed_recommender" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpuma3%2Fdistributed_recommender", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpuma3%2Fdistributed_recommender'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] be19d7076799e93846adcd6256be68413fc7e165
[INFO] documenting puma3/distributed_recommender 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%2Fpuma3%2Fdistributed_recommender" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/puma3/distributed_recommender 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/puma3/distributed_recommender
[INFO] removed path dependency database from git repo https://github.com/puma3/distributed_recommender
[INFO] removed path dependency distance from git repo https://github.com/puma3/distributed_recommender
[INFO] finished tweaking git repo https://github.com/puma3/distributed_recommender
[INFO] tweaked toml for git repo https://github.com/puma3/distributed_recommender written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/puma3/distributed_recommender 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] warning: dependency (database) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: dependency (distance) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-6/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] warning: dependency (database) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: dependency (distance) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] c2c738c54b4fad47b2ddf4c7522970c6501d3ac4e5eaa33aba62659bfd837b46
[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" "c2c738c54b4fad47b2ddf4c7522970c6501d3ac4e5eaa33aba62659bfd837b46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2c738c54b4fad47b2ddf4c7522970c6501d3ac4e5eaa33aba62659bfd837b46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2c738c54b4fad47b2ddf4c7522970c6501d3ac4e5eaa33aba62659bfd837b46", kill_on_drop: false }`
[INFO] [stdout] c2c738c54b4fad47b2ddf4c7522970c6501d3ac4e5eaa33aba62659bfd837b46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9e3ed96c5092178984a01b4cfe37d572c49aefccb4bec219518b2028ee6ad633
[INFO] running `Command { std: "docker" "start" "-a" "9e3ed96c5092178984a01b4cfe37d572c49aefccb4bec219518b2028ee6ad633", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (database) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: dependency (distance) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Checking timely_logging v0.11.1
[INFO] [stderr]     Checking abomonation v0.7.3
[INFO] [stderr]     Checking timely_bytes v0.11.0
[INFO] [stderr]     Checking distance v0.4.0
[INFO] [stderr]     Checking database v0.5.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling abomonation_derive v0.5.0
[INFO] [stderr]     Checking timely_communication v0.11.1
[INFO] [stderr]     Checking timely v0.11.1
[INFO] [stderr]  Documenting distributed_recommender v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `timely::dataflow::channels::message`
[INFO] [stdout]   --> src/main.rs:14:33
[INFO] [stdout]    |
[INFO] [stdout] 14 | use timely::dataflow::channels::message::Content;
[INFO] [stdout]    |                                 ^^^^^^^ could not find `message` in `channels`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 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 `distributed_recommender`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name distributed_recommender 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 database=/opt/rustwide/target/debug/deps/libdatabase-2656be2311f77c18.rmeta --extern distance=/opt/rustwide/target/debug/deps/libdistance-22c010995e47944d.rmeta --extern getopts=/opt/rustwide/target/debug/deps/libgetopts-659f32f0eb96226d.rmeta --extern timely=/opt/rustwide/target/debug/deps/libtimely-37284f742d6d4caa.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "9e3ed96c5092178984a01b4cfe37d572c49aefccb4bec219518b2028ee6ad633", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e3ed96c5092178984a01b4cfe37d572c49aefccb4bec219518b2028ee6ad633", kill_on_drop: false }`
[INFO] [stdout] 9e3ed96c5092178984a01b4cfe37d572c49aefccb4bec219518b2028ee6ad633