[INFO] updating cached repository https://github.com/ikruglov/grpcdemo2rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 112b0f17048d2a3a51a7095e74e706d9da24b55c
[INFO] documenting ikruglov/grpcdemo2rust against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fikruglov%2Fgrpcdemo2rust" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ikruglov/grpcdemo2rust on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ikruglov/grpcdemo2rust
[INFO] finished tweaking git repo https://github.com/ikruglov/grpcdemo2rust
[INFO] tweaked toml for git repo https://github.com/ikruglov/grpcdemo2rust written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/ikruglov/grpcdemo2rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-3/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[INFO] the lockfile is outdated, regenerating it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" "+394e1b40d264aa6928811919c1124fa248e7d802" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "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] 8a01498c42e7a6a5328cffdd0a9c6342b2c92f30bc1c31efb29a2a857d0fdf52
[INFO] running `Command { std: "docker" "start" "-a" "8a01498c42e7a6a5328cffdd0a9c6342b2c92f30bc1c31efb29a2a857d0fdf52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a01498c42e7a6a5328cffdd0a9c6342b2c92f30bc1c31efb29a2a857d0fdf52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a01498c42e7a6a5328cffdd0a9c6342b2c92f30bc1c31efb29a2a857d0fdf52", kill_on_drop: false }`
[INFO] [stdout] 8a01498c42e7a6a5328cffdd0a9c6342b2c92f30bc1c31efb29a2a857d0fdf52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53d8ae0d2bb771e646069d4bb67060930cac9a86b1c8df5774d8a7789b8ff581
[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" "53d8ae0d2bb771e646069d4bb67060930cac9a86b1c8df5774d8a7789b8ff581", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling protobuf v2.15.1
[INFO] [stderr]  Documenting grpcdemo2rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `hyper::server::Request`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use hyper::server::Request;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^ no `Request` in `server`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `hyper::server::Response`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use hyper::server::Response;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^ no `Response` in `server`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `MessageStatic` in crate `protobuf`
[INFO] [stdout]    --> src/helloworld.rs:145:18
[INFO] [stdout]     |
[INFO] [stdout] 145 | impl ::protobuf::MessageStatic for HelloRequest {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^ not found in `protobuf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `MessageStatic` in crate `protobuf`
[INFO] [stdout]    --> src/helloworld.rs:325:18
[INFO] [stdout]     |
[INFO] [stdout] 325 | impl ::protobuf::MessageStatic for HelloReply {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^ not found in `protobuf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `grpcdemo2rust`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name grpcdemo2rust 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 hyper=/opt/rustwide/target/debug/deps/libhyper-2dc34b72109ec5ac.rmeta --extern protobuf=/opt/rustwide/target/debug/deps/libprotobuf-dda944292e3594f3.rmeta --cap-lints=forbid` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "53d8ae0d2bb771e646069d4bb67060930cac9a86b1c8df5774d8a7789b8ff581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53d8ae0d2bb771e646069d4bb67060930cac9a86b1c8df5774d8a7789b8ff581", kill_on_drop: false }`
[INFO] [stdout] 53d8ae0d2bb771e646069d4bb67060930cac9a86b1c8df5774d8a7789b8ff581