[INFO] cloning repository https://github.com/ikruglov/grpcdemo2rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ikruglov/grpcdemo2rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fikruglov%2Fgrpcdemo2rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fikruglov%2Fgrpcdemo2rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 112b0f17048d2a3a51a7095e74e706d9da24b55c
[INFO] documenting ikruglov/grpcdemo2rust 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%2Fikruglov%2Fgrpcdemo2rust" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ikruglov/grpcdemo2rust 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/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-0/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" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-0/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[INFO] the lockfile is outdated, regenerating it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] [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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] cb0953f320d97aa1de40790f06ab9f5ae231c0cc59e7b5ccbff806cd6cdf8451
[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" "cb0953f320d97aa1de40790f06ab9f5ae231c0cc59e7b5ccbff806cd6cdf8451", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb0953f320d97aa1de40790f06ab9f5ae231c0cc59e7b5ccbff806cd6cdf8451", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb0953f320d97aa1de40790f06ab9f5ae231c0cc59e7b5ccbff806cd6cdf8451", kill_on_drop: false }`
[INFO] [stdout] cb0953f320d97aa1de40790f06ab9f5ae231c0cc59e7b5ccbff806cd6cdf8451
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] ed2457815c34c5b0a539aa583ba083dfe078ddbe9d80f24f8c21d12f7e985614
[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" "ed2457815c34c5b0a539aa583ba083dfe078ddbe9d80f24f8c21d12f7e985614", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]    Compiling protobuf v2.17.0
[INFO] [stderr]     Checking tracing-core v0.1.15
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking hyper v0.13.7
[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-ca8a31ebfbc9da57.rmeta --extern protobuf=/opt/rustwide/target/debug/deps/libprotobuf-2781dac99de79d5a.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "ed2457815c34c5b0a539aa583ba083dfe078ddbe9d80f24f8c21d12f7e985614", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed2457815c34c5b0a539aa583ba083dfe078ddbe9d80f24f8c21d12f7e985614", kill_on_drop: false }`
[INFO] [stdout] ed2457815c34c5b0a539aa583ba083dfe078ddbe9d80f24f8c21d12f7e985614