[INFO] cloning repository https://github.com/AndrewRoh/exam_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AndrewRoh/exam_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndrewRoh%2Fexam_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndrewRoh%2Fexam_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ccd1cd7851c631db3ff98dd78cb07050e86f2d36
[INFO] testing AndrewRoh/exam_rust against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndrewRoh%2Fexam_rust" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AndrewRoh/exam_rust on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AndrewRoh/exam_rust
[INFO] finished tweaking git repo https://github.com/AndrewRoh/exam_rust
[INFO] tweaked toml for git repo https://github.com/AndrewRoh/exam_rust written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/AndrewRoh/exam_rust 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "inspect" "f4fab4e2386dedc7a1d09b0da85cfcfe33405f25545c39db8ed554764040fe88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4fab4e2386dedc7a1d09b0da85cfcfe33405f25545c39db8ed554764040fe88", kill_on_drop: false }`
[INFO] [stdout] f4fab4e2386dedc7a1d09b0da85cfcfe33405f25545c39db8ed554764040fe88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a8318b6b75f6e90563d606cfe5090fe6f695fea8729b327d1ba4c970d38ae50
[INFO] running `Command { std: "docker" "start" "-a" "5a8318b6b75f6e90563d606cfe5090fe6f695fea8729b327d1ba4c970d38ae50", kill_on_drop: false }`
[INFO] [stderr]    Compiling gen v0.1.0 (/opt/rustwide/workdir/gen)
[INFO] [stderr]    Compiling examples v0.1.0 (/opt/rustwide/workdir/examples)
[INFO] [stdout] warning: unused import: `crate::tiberius::ToSql`
[INFO] [stdout]  --> examples/src/db/db_exec2.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::tiberius::ToSql;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tonic::async_trait`
[INFO] [stdout]  --> examples/src/db/db_exec2.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tonic::async_trait;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn`
[INFO] [stdout]   --> examples/src/db/db_exec2.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let mut conn = pool.get().await?;
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_conn`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/src/db/db_exec2.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let mut conn = pool.get().await?;
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]   --> examples/src/grpc/server_streaming.rs:55:43
[INFO] [stdout]    |
[INFO] [stdout] 55 |     async fn client_streaming_echo(&self, request: Request<Streaming<EchoRequest>>) -> Result<Response<EchoResponse>, Status> {
[INFO] [stdout]    |                                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]   --> examples/src/grpc/server_streaming.rs:61:50
[INFO] [stdout]    |
[INFO] [stdout] 61 |     async fn bidirectional_streaming_echo(&self, request: Request<Streaming<EchoRequest>>) -> Result<Response<Self::BidirectionalStreamin...
[INFO] [stdout]    |                                                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `echo_requests_iter` is never used
[INFO] [stdout]   --> examples/src/grpc/client_streaming.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn echo_requests_iter() -> impl Stream<Item = EchoRequest> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bidirectional_streaming_echo` is never used
[INFO] [stdout]   --> examples/src/grpc/client_streaming.rs:55:10
[INFO] [stdout]    |
[INFO] [stdout] 55 | async fn bidirectional_streaming_echo(client: &mut EchoClient<tonic::transport::Channel>, num: usize) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bidirectional_streaming_echo_throttle` is never used
[INFO] [stdout]   --> examples/src/grpc/client_streaming.rs:69:10
[INFO] [stdout]    |
[INFO] [stdout] 69 | async fn bidirectional_streaming_echo_throttle(client: &mut EchoClient<tonic::transport::Channel>, dur: Duration) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]   --> examples/src/grpc/server_streaming.rs:55:43
[INFO] [stdout]    |
[INFO] [stdout] 55 |     async fn client_streaming_echo(&self, request: Request<Streaming<EchoRequest>>) -> Result<Response<EchoResponse>, Status> {
[INFO] [stdout]    |                                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]   --> examples/src/grpc/server_streaming.rs:61:50
[INFO] [stdout]    |
[INFO] [stdout] 61 |     async fn bidirectional_streaming_echo(&self, request: Request<Streaming<EchoRequest>>) -> Result<Response<Self::BidirectionalStreamin...
[INFO] [stdout]    |                                                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> examples/src/grpc/server_streaming.rs:67:10
[INFO] [stdout]    |
[INFO] [stdout] 67 | async fn main() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `examples` (example "server_streaming"); 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name server_streaming --edition=2021 examples/src/grpc/server_streaming.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 -C metadata=b4f9e86419e23480 -C extra-filename=-b4f9e86419e23480 --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern bb8=/opt/rustwide/target/debug/deps/libbb8-3620b64935cace53.rlib --extern bb8_tiberius=/opt/rustwide/target/debug/deps/libbb8_tiberius-9fa67c5cd6749a90.rlib --extern chrono=/opt/rustwide/target/debug/deps/libchrono-517b8e833ab79f73.rlib --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-4faa6ed7887e8f9f.rlib --extern examples=/opt/rustwide/target/debug/deps/libexamples-852bbb3bb48530ec.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-cc354febb16ab183.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-f890f515b6ed6975.rlib --extern prost=/opt/rustwide/target/debug/deps/libprost-d4744cc1313a1428.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-244e2777f4518dce.rlib --extern tiberius=/opt/rustwide/target/debug/deps/libtiberius-70c8dfd83142ff84.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-72a796a9c4b21fad.rlib --extern tokio_stream=/opt/rustwide/target/debug/deps/libtokio_stream-6c2a9788cc36f723.rlib --extern tokio_util=/opt/rustwide/target/debug/deps/libtokio_util-d3264d34567b8d2b.rlib --extern tonic=/opt/rustwide/target/debug/deps/libtonic-d2a3bfe2ed76eb71.rlib --extern tonic_build=/opt/rustwide/target/debug/deps/libtonic_build-5bdf384af07187d5.rlib --extern uuid=/opt/rustwide/target/debug/deps/libuuid-d3aec3a887ecacc3.rlib --cap-lints=warn -L native=/opt/rustwide/target/debug/build/ring-be836c8f96de9cdf/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `examples` (example "server"); 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name server --edition=2021 examples/src/grpc/server.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 -C metadata=7d2363750cc93723 -C extra-filename=-7d2363750cc93723 --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern bb8=/opt/rustwide/target/debug/deps/libbb8-3620b64935cace53.rlib --extern bb8_tiberius=/opt/rustwide/target/debug/deps/libbb8_tiberius-9fa67c5cd6749a90.rlib --extern chrono=/opt/rustwide/target/debug/deps/libchrono-517b8e833ab79f73.rlib --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-4faa6ed7887e8f9f.rlib --extern examples=/opt/rustwide/target/debug/deps/libexamples-852bbb3bb48530ec.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-cc354febb16ab183.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-f890f515b6ed6975.rlib --extern prost=/opt/rustwide/target/debug/deps/libprost-d4744cc1313a1428.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-244e2777f4518dce.rlib --extern tiberius=/opt/rustwide/target/debug/deps/libtiberius-70c8dfd83142ff84.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-72a796a9c4b21fad.rlib --extern tokio_stream=/opt/rustwide/target/debug/deps/libtokio_stream-6c2a9788cc36f723.rlib --extern tokio_util=/opt/rustwide/target/debug/deps/libtokio_util-d3264d34567b8d2b.rlib --extern tonic=/opt/rustwide/target/debug/deps/libtonic-d2a3bfe2ed76eb71.rlib --extern tonic_build=/opt/rustwide/target/debug/deps/libtonic_build-5bdf384af07187d5.rlib --extern uuid=/opt/rustwide/target/debug/deps/libuuid-d3aec3a887ecacc3.rlib --cap-lints=warn -L native=/opt/rustwide/target/debug/build/ring-be836c8f96de9cdf/out` (signal: 9, SIGKILL: kill)
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5a8318b6b75f6e90563d606cfe5090fe6f695fea8729b327d1ba4c970d38ae50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a8318b6b75f6e90563d606cfe5090fe6f695fea8729b327d1ba4c970d38ae50", kill_on_drop: false }`
[INFO] [stdout] 5a8318b6b75f6e90563d606cfe5090fe6f695fea8729b327d1ba4c970d38ae50
