[INFO] fetching crate mioco 0.8.1... [INFO] documenting mioco-0.8.1 against 1.46.0 for beta-1.47-rustdoc-1 [INFO] extracting crate mioco 0.8.1 into /workspace/builds/worker-11/source [INFO] validating manifest of crates.io crate mioco 0.8.1 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 mioco 0.8.1 [INFO] finished tweaking crates.io crate mioco 0.8.1 [INFO] tweaked toml for crates.io crate mioco 0.8.1 written to /workspace/builds/worker-11/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] [stderr] Blocking waiting for file lock on package cache [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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 9954b2afb6f9d2aafd46da40c07dfd141bd8f15a9f3e9a529d72c5d09e183972 [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" "9954b2afb6f9d2aafd46da40c07dfd141bd8f15a9f3e9a529d72c5d09e183972", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9954b2afb6f9d2aafd46da40c07dfd141bd8f15a9f3e9a529d72c5d09e183972", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9954b2afb6f9d2aafd46da40c07dfd141bd8f15a9f3e9a529d72c5d09e183972", kill_on_drop: false }` [INFO] [stdout] 9954b2afb6f9d2aafd46da40c07dfd141bd8f15a9f3e9a529d72c5d09e183972 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] f42a7932803716771cb9ac6c0996dd8e2504e96c12f3e15c54195d9cc652fe90 [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" "f42a7932803716771cb9ac6c0996dd8e2504e96c12f3e15c54195d9cc652fe90", kill_on_drop: false }` [INFO] [stderr] Checking bytes v0.3.0 [INFO] [stderr] Checking slab v0.1.3 [INFO] [stderr] Checking thread-scoped v1.0.2 [INFO] [stderr] Checking slab v0.2.0 [INFO] [stderr] Checking spin v0.4.10 [INFO] [stderr] Checking owning_ref v0.2.4 [INFO] [stderr] Compiling nix v0.6.0 [INFO] [stderr] Compiling context v1.0.1 [INFO] [stderr] Checking ws2_32-sys v0.2.1 [INFO] [stderr] Checking miow v0.1.5 [INFO] [stderr] Checking mio v0.5.1 [INFO] [stderr] Documenting mioco v0.8.1 (/opt/rustwide/workdir) [INFO] [stdout] error[E0446]: private type `src::sync::mpsc::ReceiverCore` in public interface [INFO] [stdout] --> src/sync/mpsc.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 26 | struct ReceiverCore { [INFO] [stdout] | - `src::sync::mpsc::ReceiverCore` declared as private [INFO] [stdout] ... [INFO] [stdout] 35 | type Raw = ReceiverCore; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0446]: private type `src::timer::TimerCore` in public interface [INFO] [stdout] --> src/timer.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 18 | struct TimerCore { [INFO] [stdout] | - `src::timer::TimerCore` declared as private [INFO] [stdout] ... [INFO] [stdout] 47 | type Raw = TimerCore; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ can't leak private type [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 E0446`. [INFO] [stdout] [INFO] [stderr] error: Could not document `mioco`. [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --crate-type lib --crate-name mioco lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern context=/opt/rustwide/target/debug/deps/libcontext-9b4ecc57162089b6.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-1ad3ad1e20beb97f.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-538ccf74a4ec0a82.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-88fd5da6f5aa520f.rmeta --extern nix=/opt/rustwide/target/debug/deps/libnix-cea126ab53e34ede.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-ef9e7676cee12a0b.rmeta --extern owning_ref=/opt/rustwide/target/debug/deps/libowning_ref-4eef0ac713c32af2.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-9d1365db87d7cf2d.rmeta --extern spin=/opt/rustwide/target/debug/deps/libspin-2b6909aaff09af3a.rmeta --extern thread_scoped=/opt/rustwide/target/debug/deps/libthread_scoped-69b77ee524a7e3ec.rmeta --extern time=/opt/rustwide/target/debug/deps/libtime-06a439cbf99d31a6.rmeta --cap-lints=warn` (exit code: 1) [INFO] running `Command { std: "docker" "inspect" "f42a7932803716771cb9ac6c0996dd8e2504e96c12f3e15c54195d9cc652fe90", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f42a7932803716771cb9ac6c0996dd8e2504e96c12f3e15c54195d9cc652fe90", kill_on_drop: false }` [INFO] [stdout] f42a7932803716771cb9ac6c0996dd8e2504e96c12f3e15c54195d9cc652fe90