[INFO] fetching crate qni-core-rs 0.3.2...
[INFO] documenting qni-core-rs-0.3.2 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate qni-core-rs 0.3.2 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate qni-core-rs 0.3.2 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate qni-core-rs 0.3.2
[INFO] finished tweaking crates.io crate qni-core-rs 0.3.2
[INFO] tweaked toml for crates.io crate qni-core-rs 0.3.2 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 602b30f1277c009e85c8cb1862a72defc7383de3d79633c56a550562fbaff44b
[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" "602b30f1277c009e85c8cb1862a72defc7383de3d79633c56a550562fbaff44b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "602b30f1277c009e85c8cb1862a72defc7383de3d79633c56a550562fbaff44b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "602b30f1277c009e85c8cb1862a72defc7383de3d79633c56a550562fbaff44b", kill_on_drop: false }`
[INFO] [stdout] 602b30f1277c009e85c8cb1862a72defc7383de3d79633c56a550562fbaff44b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89e025deba9c08069d5d6a6eac6b3c9fad102a5a54ecabc313d4c48dee8d34ea
[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" "89e025deba9c08069d5d6a6eac6b3c9fad102a5a54ecabc313d4c48dee8d34ea", kill_on_drop: false }`
[INFO] [stderr]  Documenting qni-core-rs v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find value `VERSION_2_8_1` in crate `protobuf`
[INFO] [stdout]   --> src/protos/qni_api.rs:27:49
[INFO] [stdout]    |
[INFO] [stdout] 27 | const _PROTOBUF_VERSION_CHECK: () = ::protobuf::VERSION_2_8_1;
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^ help: a constant with a similar name exists: `VERSION_2_18_0`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/target/debug/build/protobuf-0b0aa106c843a76f/out/version.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub const VERSION_2_18_0: () = ();
[INFO] [stdout]    | ---------------------------------- similarly named constant `VERSION_2_18_0` defined here
[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 E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `qni-core-rs`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name qni_core_rs 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 atomic_option=/opt/rustwide/target/debug/deps/libatomic_option-4b2149c1efbdc94f.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-a9c32aff8e87a086.rmeta --extern failure=/opt/rustwide/target/debug/deps/libfailure-fa85c9e222265e84.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-2f80a151d70e23d0.rmeta --extern protobuf=/opt/rustwide/target/debug/deps/libprotobuf-ac81080682e70f68.rmeta --cap-lints=warn --crate-version 0.3.2` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "89e025deba9c08069d5d6a6eac6b3c9fad102a5a54ecabc313d4c48dee8d34ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89e025deba9c08069d5d6a6eac6b3c9fad102a5a54ecabc313d4c48dee8d34ea", kill_on_drop: false }`
[INFO] [stdout] 89e025deba9c08069d5d6a6eac6b3c9fad102a5a54ecabc313d4c48dee8d34ea
