[INFO] cloning repository https://github.com/guvenc/vsock_grpc_echo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/guvenc/vsock_grpc_echo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguvenc%2Fvsock_grpc_echo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguvenc%2Fvsock_grpc_echo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cf002e40c156c6ea401390d8e6e76bbe54317ed4
[INFO] checking guvenc/vsock_grpc_echo 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%2Fguvenc%2Fvsock_grpc_echo" "/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/guvenc/vsock_grpc_echo
[INFO] finished tweaking git repo https://github.com/guvenc/vsock_grpc_echo
[INFO] tweaked toml for git repo https://github.com/guvenc/vsock_grpc_echo written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/guvenc/vsock_grpc_echo 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/guvenc/vsock_grpc_echo 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] ca8cb4e062c967d59be2e4668a6e06fd4f68181372891919f4a35554c7eca203
[INFO] running `Command { std: "docker" "start" "-a" "ca8cb4e062c967d59be2e4668a6e06fd4f68181372891919f4a35554c7eca203", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca8cb4e062c967d59be2e4668a6e06fd4f68181372891919f4a35554c7eca203", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca8cb4e062c967d59be2e4668a6e06fd4f68181372891919f4a35554c7eca203", kill_on_drop: false }`
[INFO] [stdout] ca8cb4e062c967d59be2e4668a6e06fd4f68181372891919f4a35554c7eca203
[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] 18030aae8ab043ae5aa09288c5e58d481e3a9f80974408897aee77c5be62614d
[INFO] running `Command { std: "docker" "start" "-a" "18030aae8ab043ae5aa09288c5e58d481e3a9f80974408897aee77c5be62614d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking bytes v1.6.1
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]    Compiling httparse v1.9.4
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling prettyplease v0.2.20
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling axum-core v0.4.3
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling fastrand v2.1.0
[INFO] [stderr]    Compiling nix v0.28.0
[INFO] [stderr]    Compiling axum v0.7.5
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]     Checking http v1.1.0
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]    Compiling petgraph v0.6.5
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking mio v1.0.1
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling tempfile v3.10.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking vsock v0.5.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling prost-derive v0.13.1
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling async-trait v0.1.81
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]    Compiling regex v1.10.5
[INFO] [stderr]     Checking async-stream v0.3.5
[INFO] [stderr]     Checking tokio v1.39.1
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling prost v0.13.1
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]    Compiling prost-types v0.13.1
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]    Compiling prost-build v0.13.1
[INFO] [stderr]    Compiling tonic-build v0.12.1
[INFO] [stderr]     Checking http-body-util v0.1.2
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking tokio-util v0.7.11
[INFO] [stderr]     Checking tokio-stream v0.1.15
[INFO] [stderr]    Compiling vsock_grpc_echo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking h2 v0.4.5
[INFO] [stderr]     Checking hyper v1.4.1
[INFO] [stderr]     Checking hyper-util v0.1.6
[INFO] [stderr]     Checking hyper-timeout v0.5.1
[INFO] [stderr]     Checking tonic v0.12.1
[INFO] [stderr]     Checking tokio-vsock v0.5.0 (https://github.com/rust-vsock/tokio-vsock?rev=3a41323#3a413237)
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/vsock_grpc_echo-1b3f51d7407b965f/out/echo.rs:234:42
[INFO] [stdout]     |
[INFO] [stdout] 234 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 235 | |                         let method = EchoStringSvc(inner);
[INFO] [stdout] 236 | |                         let codec = tonic::codec::ProstCodec::default();
[INFO] [stdout] 237 | |                         let mut grpc = tonic::server::Grpc::new(codec)
[INFO] [stdout] ...   |
[INFO] [stdout] 247 | |                         Ok(res)
[INFO] [stdout] 248 | |                     };
[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_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/vsock_grpc_echo-1b3f51d7407b965f/out/echo.rs:247:25
[INFO] [stdout]     |
[INFO] [stdout] 247 |                         Ok(res)
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/vsock_grpc_echo-1b3f51d7407b965f/out/echo.rs:252:41
[INFO] [stdout]     |
[INFO] [stdout] 252 |                       Box::pin(async move {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 253 | |                         Ok(
[INFO] [stdout] 254 | |                             http::Response::builder()
[INFO] [stdout] 255 | |                                 .status(200)
[INFO] [stdout] ...   |
[INFO] [stdout] 264 | |                     })
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/vsock_grpc_echo-1b3f51d7407b965f/out/echo.rs:253:25
[INFO] [stdout]     |
[INFO] [stdout] 253 | /                         Ok(
[INFO] [stdout] 254 | |                             http::Response::builder()
[INFO] [stdout] 255 | |                                 .status(200)
[INFO] [stdout] 256 | |                                 .header("grpc-status", tonic::Code::Unimplemented as i32)
[INFO] [stdout] ...   |
[INFO] [stdout] 262 | |                                 .unwrap(),
[INFO] [stdout] 263 | |                         )
[INFO] [stdout]     | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `vsock_grpc_echo` (bin "vsock_grpc_echo" 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_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/vsock_grpc_echo-1b3f51d7407b965f/out/echo.rs:234:42
[INFO] [stdout]     |
[INFO] [stdout] 234 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 235 | |                         let method = EchoStringSvc(inner);
[INFO] [stdout] 236 | |                         let codec = tonic::codec::ProstCodec::default();
[INFO] [stdout] 237 | |                         let mut grpc = tonic::server::Grpc::new(codec)
[INFO] [stdout] ...   |
[INFO] [stdout] 247 | |                         Ok(res)
[INFO] [stdout] 248 | |                     };
[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_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/vsock_grpc_echo-1b3f51d7407b965f/out/echo.rs:247:25
[INFO] [stdout]     |
[INFO] [stdout] 247 |                         Ok(res)
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/vsock_grpc_echo-1b3f51d7407b965f/out/echo.rs:252:41
[INFO] [stdout]     |
[INFO] [stdout] 252 |                       Box::pin(async move {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 253 | |                         Ok(
[INFO] [stdout] 254 | |                             http::Response::builder()
[INFO] [stdout] 255 | |                                 .status(200)
[INFO] [stdout] ...   |
[INFO] [stdout] 264 | |                     })
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/vsock_grpc_echo-1b3f51d7407b965f/out/echo.rs:253:25
[INFO] [stdout]     |
[INFO] [stdout] 253 | /                         Ok(
[INFO] [stdout] 254 | |                             http::Response::builder()
[INFO] [stdout] 255 | |                                 .status(200)
[INFO] [stdout] 256 | |                                 .header("grpc-status", tonic::Code::Unimplemented as i32)
[INFO] [stdout] ...   |
[INFO] [stdout] 262 | |                                 .unwrap(),
[INFO] [stdout] 263 | |                         )
[INFO] [stdout]     | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `vsock_grpc_echo` (bin "vsock_grpc_echo") due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "18030aae8ab043ae5aa09288c5e58d481e3a9f80974408897aee77c5be62614d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18030aae8ab043ae5aa09288c5e58d481e3a9f80974408897aee77c5be62614d", kill_on_drop: false }`
[INFO] [stdout] 18030aae8ab043ae5aa09288c5e58d481e3a9f80974408897aee77c5be62614d
