[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 }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ccd1cd7851c631db3ff98dd78cb07050e86f2d36
[INFO] testing AndrewRoh/exam_rust against 1.76.0 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndrewRoh%2Fexam_rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AndrewRoh/exam_rust on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "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-3-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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "inspect" "86a2a0115bc0a554f1d808cfef7953029ad9c0926022c29012203c702a352e35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86a2a0115bc0a554f1d808cfef7953029ad9c0926022c29012203c702a352e35", kill_on_drop: false }`
[INFO] [stdout] 86a2a0115bc0a554f1d808cfef7953029ad9c0926022c29012203c702a352e35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82ed244d04fe0b511841a428778f7c3204bdf160b00d891bdb13c5bc32c5a8e4
[INFO] running `Command { std: "docker" "start" "-a" "82ed244d04fe0b511841a428778f7c3204bdf160b00d891bdb13c5bc32c5a8e4", 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] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 18.49s
[INFO] running `Command { std: "docker" "inspect" "82ed244d04fe0b511841a428778f7c3204bdf160b00d891bdb13c5bc32c5a8e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82ed244d04fe0b511841a428778f7c3204bdf160b00d891bdb13c5bc32c5a8e4", kill_on_drop: false }`
[INFO] [stdout] 82ed244d04fe0b511841a428778f7c3204bdf160b00d891bdb13c5bc32c5a8e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+1.76.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3caaec35d7b0e83bcf31b3497c47cfe7434310ae72eeedd02a64347314680671
[INFO] running `Command { std: "docker" "start" "-a" "3caaec35d7b0e83bcf31b3497c47cfe7434310ae72eeedd02a64347314680671", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::tiberius::ToSql`
[INFO] [stderr]  --> examples/src/db/db_exec2.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::tiberius::ToSql;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tonic::async_trait`
[INFO] [stderr]  --> examples/src/db/db_exec2.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use tonic::async_trait;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `conn`
[INFO] [stderr]   --> examples/src/db/db_exec2.rs:74:13
[INFO] [stderr]    |
[INFO] [stderr] 74 |     let mut conn = pool.get().await?;
[INFO] [stderr]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_conn`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/src/db/db_exec2.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 |     let mut conn = pool.get().await?;
[INFO] [stderr]    |         ----^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `request`
[INFO] [stderr]   --> examples/src/grpc/server_streaming.rs:55:43
[INFO] [stderr]    |
[INFO] [stderr] 55 |     async fn client_streaming_echo(&self, request: Request<Streaming<EchoRequest>>) -> Result<Response<EchoResponse>, Status> {
[INFO] [stderr]    |                                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `request`
[INFO] [stderr]   --> examples/src/grpc/server_streaming.rs:61:50
[INFO] [stderr]    |
[INFO] [stderr] 61 |     async fn bidirectional_streaming_echo(&self, request: Request<Streaming<EchoRequest>>) -> Result<Response<Self::BidirectionalStreamin...
[INFO] [stderr]    |                                                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stderr] 
[INFO] [stderr] warning: function `echo_requests_iter` is never used
[INFO] [stderr]   --> examples/src/grpc/client_streaming.rs:49:4
[INFO] [stderr]    |
[INFO] [stderr] 49 | fn echo_requests_iter() -> impl Stream<Item = EchoRequest> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `bidirectional_streaming_echo` is never used
[INFO] [stderr]   --> examples/src/grpc/client_streaming.rs:55:10
[INFO] [stderr]    |
[INFO] [stderr] 55 | async fn bidirectional_streaming_echo(client: &mut EchoClient<tonic::transport::Channel>, num: usize) {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `bidirectional_streaming_echo_throttle` is never used
[INFO] [stderr]   --> examples/src/grpc/client_streaming.rs:69:10
[INFO] [stderr]    |
[INFO] [stderr] 69 | async fn bidirectional_streaming_echo_throttle(client: &mut EchoClient<tonic::transport::Channel>, dur: Duration) {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]   --> examples/src/grpc/server_streaming.rs:67:10
[INFO] [stderr]    |
[INFO] [stderr] 67 | async fn main() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stderr]    |          ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `examples` (example "db_exec2") generated 4 warnings (run `cargo fix --example "db_exec2"` to apply 4 suggestions)
[INFO] [stderr] warning: `examples` (example "server_streaming") generated 2 warnings (run `cargo fix --example "server_streaming"` to apply 2 suggestions)
[INFO] [stderr] warning: `examples` (example "client_streaming") generated 3 warnings
[INFO] [stderr] warning: `examples` (example "server") generated 3 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/examples-8ec5c0f437a73b9b)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/gen-f890098ac75bf5db)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests examples
[INFO] [stderr]    Doc-tests gen
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3caaec35d7b0e83bcf31b3497c47cfe7434310ae72eeedd02a64347314680671", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3caaec35d7b0e83bcf31b3497c47cfe7434310ae72eeedd02a64347314680671", kill_on_drop: false }`
[INFO] [stdout] 3caaec35d7b0e83bcf31b3497c47cfe7434310ae72eeedd02a64347314680671
