[INFO] cloning repository https://github.com/AlexanderChen1989/grpc-lb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AlexanderChen1989/grpc-lb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexanderChen1989%2Fgrpc-lb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexanderChen1989%2Fgrpc-lb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9159021d1833a51264fba3262da48971e02b2fa3
[INFO] checking AlexanderChen1989/grpc-lb against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexanderChen1989%2Fgrpc-lb" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AlexanderChen1989/grpc-lb
[INFO] finished tweaking git repo https://github.com/AlexanderChen1989/grpc-lb
[INFO] tweaked toml for git repo https://github.com/AlexanderChen1989/grpc-lb written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AlexanderChen1989/grpc-lb on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AlexanderChen1989/grpc-lb already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f0783f88cee01c7e27ab0abfaa2d63861daf81e7c8208f7f597a2a4b03ba2e6
[INFO] running `Command { std: "docker" "start" "-a" "2f0783f88cee01c7e27ab0abfaa2d63861daf81e7c8208f7f597a2a4b03ba2e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f0783f88cee01c7e27ab0abfaa2d63861daf81e7c8208f7f597a2a4b03ba2e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f0783f88cee01c7e27ab0abfaa2d63861daf81e7c8208f7f597a2a4b03ba2e6", kill_on_drop: false }`
[INFO] [stdout] 2f0783f88cee01c7e27ab0abfaa2d63861daf81e7c8208f7f597a2a4b03ba2e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTFLAGS=--cap-lints=forbid -Dunmustuse_in_always_ok" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b1fefd9b9c08aedda2eda4239048ad0728510f4b7e2e142bb651ab8a67236c0
[INFO] running `Command { std: "docker" "start" "-a" "7b1fefd9b9c08aedda2eda4239048ad0728510f4b7e2e142bb651ab8a67236c0", kill_on_drop: false }`
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[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> src/pb.rs:174:42
[INFO] [stdout]     |
[INFO] [stdout] 174 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 175 | |                         let inner = inner.0;
[INFO] [stdout] 176 | |                         let method = HelloSvc(inner);
[INFO] [stdout] 177 | |                         let codec = tonic::codec::ProstCodec::default();
[INFO] [stdout] ...   |
[INFO] [stdout] 184 | |                         Ok(res)
[INFO] [stdout] 185 | |                     };
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nice` (lib test) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> src/pb.rs:184:25
[INFO] [stdout]     |
[INFO] [stdout] 184 |                         Ok(res)
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> src/pb.rs:189:41
[INFO] [stdout]     |
[INFO] [stdout] 189 |                       Box::pin(async move {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 190 | |                         Ok(
[INFO] [stdout] 191 | |                             http::Response::builder()
[INFO] [stdout] 192 | |                                 .status(200)
[INFO] [stdout] ...   |
[INFO] [stdout] 198 | |                     })
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> src/pb.rs:190:25
[INFO] [stdout]     |
[INFO] [stdout] 190 | /                         Ok(
[INFO] [stdout] 191 | |                             http::Response::builder()
[INFO] [stdout] 192 | |                                 .status(200)
[INFO] [stdout] 193 | |                                 .header("grpc-status", "12")
[INFO] [stdout] ...   |
[INFO] [stdout] 196 | |                                 .unwrap(),
[INFO] [stdout] 197 | |                         )
[INFO] [stdout]     | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> src/pb.rs:174:42
[INFO] [stdout]     |
[INFO] [stdout] 174 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 175 | |                         let inner = inner.0;
[INFO] [stdout] 176 | |                         let method = HelloSvc(inner);
[INFO] [stdout] 177 | |                         let codec = tonic::codec::ProstCodec::default();
[INFO] [stdout] ...   |
[INFO] [stdout] 184 | |                         Ok(res)
[INFO] [stdout] 185 | |                     };
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> src/pb.rs:184:25
[INFO] [stdout]     |
[INFO] [stdout] 184 |                         Ok(res)
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> src/pb.rs:189:41
[INFO] [stdout]     |
[INFO] [stdout] 189 |                       Box::pin(async move {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 190 | |                         Ok(
[INFO] [stdout] 191 | |                             http::Response::builder()
[INFO] [stdout] 192 | |                                 .status(200)
[INFO] [stdout] ...   |
[INFO] [stdout] 198 | |                     })
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> src/pb.rs:190:25
[INFO] [stdout]     |
[INFO] [stdout] 190 | /                         Ok(
[INFO] [stdout] 191 | |                             http::Response::builder()
[INFO] [stdout] 192 | |                                 .status(200)
[INFO] [stdout] 193 | |                                 .header("grpc-status", "12")
[INFO] [stdout] ...   |
[INFO] [stdout] 196 | |                                 .unwrap(),
[INFO] [stdout] 197 | |                         )
[INFO] [stdout]     | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nice` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "7b1fefd9b9c08aedda2eda4239048ad0728510f4b7e2e142bb651ab8a67236c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b1fefd9b9c08aedda2eda4239048ad0728510f4b7e2e142bb651ab8a67236c0", kill_on_drop: false }`
[INFO] [stdout] 7b1fefd9b9c08aedda2eda4239048ad0728510f4b7e2e142bb651ab8a67236c0
