[INFO] cloning repository https://github.com/skanehira/rust-grpc-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/skanehira/rust-grpc-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskanehira%2Frust-grpc-example", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fd705c5508efe115dd79b4c9d9442e25f6b3e35f
[INFO] checking skanehira/rust-grpc-example/fd705c5508efe115dd79b4c9d9442e25f6b3e35f against master#9050733395f7c10560d49f549e022f411fa28cea for pr-146972
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskanehira%2Frust-grpc-example" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/skanehira/rust-grpc-example
[INFO] finished tweaking git repo https://github.com/skanehira/rust-grpc-example
[INFO] tweaked toml for git repo https://github.com/skanehira/rust-grpc-example written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/skanehira/rust-grpc-example on toolchain 9050733395f7c10560d49f549e022f411fa28cea
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9050733395f7c10560d49f549e022f411fa28cea" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/skanehira/rust-grpc-example 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" "+9050733395f7c10560d49f549e022f411fa28cea" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+9050733395f7c10560d49f549e022f411fa28cea" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "bfc0ed39a1ec931514d4d0c178edf736a34d208aa7e7e5cfcbd96e1c49e6aeb5", kill_on_drop: false }`
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[INFO] [stdout] error: error communicating with database: Connection refused (os error 111)
[INFO] [stdout]   --> src/main.rs:31:19
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let row = sqlx::query!("SELECT version()")
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::sqlx_macros::expand_query` which comes from the expansion of the macro `sqlx::query` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: error communicating with database: Connection refused (os error 111)
[INFO] [stdout]   --> src/main.rs:31:19
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let row = sqlx::query!("SELECT version()")
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::sqlx_macros::expand_query` which comes from the expansion of the macro `sqlx::query` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: error communicating with database: Connection refused (os error 111)
[INFO] [stdout]   --> src/main.rs:97:15
[INFO] [stdout]    |
[INFO] [stdout] 97 |     let row = sqlx::query!("SELECT version()").fetch_one(&db_pool).await?;
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::sqlx_macros::expand_query` which comes from the expansion of the macro `sqlx::query` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: error communicating with database: Connection refused (os error 111)
[INFO] [stdout]   --> src/main.rs:97:15
[INFO] [stdout]    |
[INFO] [stdout] 97 |     let row = sqlx::query!("SELECT version()").fetch_one(&db_pool).await?;
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::sqlx_macros::expand_query` which comes from the expansion of the macro `sqlx::query` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/main.rs:31:19
[INFO] [stdout]    |
[INFO] [stdout] 31 |           let row = sqlx::query!("SELECT version()")
[INFO] [stdout]    |  ___________________^
[INFO] [stdout] 32 | |             .fetch_one(&self.db_pool)
[INFO] [stdout] 33 | |             .await
[INFO] [stdout]    | |__________________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/main.rs:31:19
[INFO] [stdout]    |
[INFO] [stdout] 31 |           let row = sqlx::query!("SELECT version()")
[INFO] [stdout]    |  ___________________^
[INFO] [stdout] 32 | |             .fetch_one(&self.db_pool)
[INFO] [stdout] 33 | |             .await
[INFO] [stdout]    | |__________________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-grpc-example` (bin "rust-grpc-example") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-grpc-example` (bin "rust-grpc-example" test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "85853824313fe07ba261544d87ffc9263ff9b1a60c0a981c0898852f7ed06692", kill_on_drop: false }`
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[INFO] [stdout] 85853824313fe07ba261544d87ffc9263ff9b1a60c0a981c0898852f7ed06692