[INFO] fetching crate grpc 0.8.1...
[INFO] checking grpc-0.8.1 against master#74e80468347471779be6060d8d7d6d04e98e467f for pr-72788
[INFO] extracting crate grpc 0.8.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate grpc 0.8.1 on toolchain 74e80468347471779be6060d8d7d6d04e98e467f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate grpc 0.8.1
[INFO] finished tweaking crates.io crate grpc 0.8.1
[INFO] tweaked toml for crates.io crate grpc 0.8.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "RUSTFLAGS=--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" "/opt/rustwide/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] dd439b6294ce688c0564dd6eaab4bcc7603f0e61512d71a77b9fce247403f400
[INFO] running `"docker" "start" "-a" "dd439b6294ce688c0564dd6eaab4bcc7603f0e61512d71a77b9fce247403f400"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]    Compiling log-ndc-env-logger v0.2.0
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking tls-api v0.4.0
[INFO] [stderr]     Checking tls-api-stub v0.4.0
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking httpbis v0.9.0
[INFO] [stderr]     Checking grpc v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: field is never read: `conf`
[INFO] [stderr]   --> src/server/mod.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 |     conf: ServerConf,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `sender`
[INFO] [stderr]   --> src/req.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     sender: Option<mpsc::Sender<T>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `conf`
[INFO] [stderr]   --> src/server/mod.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 |     conf: ServerConf,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `sender`
[INFO] [stderr]   --> src/req.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     sender: Option<mpsc::Sender<T>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.23s
[INFO] running `"docker" "inspect" "dd439b6294ce688c0564dd6eaab4bcc7603f0e61512d71a77b9fce247403f400"`
[INFO] running `"docker" "rm" "-f" "dd439b6294ce688c0564dd6eaab4bcc7603f0e61512d71a77b9fce247403f400"`
[INFO] [stdout] dd439b6294ce688c0564dd6eaab4bcc7603f0e61512d71a77b9fce247403f400