[INFO] fetching crate tick 0.0.1...
[INFO] documenting tick-0.0.1 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate tick 0.0.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate tick 0.0.1 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 crates.io crate tick 0.0.1
[INFO] finished tweaking crates.io crate tick 0.0.1
[INFO] tweaked toml for crates.io crate tick 0.0.1 written to /workspace/builds/worker-2/source/Cargo.toml
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] de2f71d54053af0eb31dec953b93424a75b1e39cefed82766e2e90252419ee08
[INFO] running `Command { std: "docker" "start" "-a" "de2f71d54053af0eb31dec953b93424a75b1e39cefed82766e2e90252419ee08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de2f71d54053af0eb31dec953b93424a75b1e39cefed82766e2e90252419ee08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de2f71d54053af0eb31dec953b93424a75b1e39cefed82766e2e90252419ee08", kill_on_drop: false }`
[INFO] [stdout] de2f71d54053af0eb31dec953b93424a75b1e39cefed82766e2e90252419ee08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 43d988c3344a15bb018331562fa4bb7ba51b6ebdeb62ee5479e199ff6b21e282
[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" "43d988c3344a15bb018331562fa4bb7ba51b6ebdeb62ee5479e199ff6b21e282", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking slab v0.1.3
[INFO] [stderr]     Checking bytes v0.3.0
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking miow v0.1.5
[INFO] [stderr]     Checking mio v0.5.1
[INFO] [stderr]  Documenting tick v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0446]: private type `Message` in public interface
[INFO] [stdout]    --> src/handler.rs:122:5
[INFO] [stdout]     |
[INFO] [stdout] 122 |     type Message = Message_;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private type
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/lib.rs:51:1
[INFO] [stdout]     |
[INFO] [stdout] 51  | enum Message {
[INFO] [stdout]     | - `Message` declared as private
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0446`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `tick`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name tick src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern log=/opt/rustwide/target/debug/deps/liblog-538ccf74a4ec0a82.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-12526249e216a2d6.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-c55a0ea5023b9c0c.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "43d988c3344a15bb018331562fa4bb7ba51b6ebdeb62ee5479e199ff6b21e282", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43d988c3344a15bb018331562fa4bb7ba51b6ebdeb62ee5479e199ff6b21e282", kill_on_drop: false }`
[INFO] [stdout] 43d988c3344a15bb018331562fa4bb7ba51b6ebdeb62ee5479e199ff6b21e282