[INFO] cloning repository https://github.com/wcygan/grpc-toy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wcygan/grpc-toy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwcygan%2Fgrpc-toy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwcygan%2Fgrpc-toy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 40a2b4045105cc6932a4f9de73f53355a27f11c3
[INFO] checking wcygan/grpc-toy 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%2Fwcygan%2Fgrpc-toy" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/wcygan/grpc-toy
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/wcygan/grpc-toy
[INFO] tweaked toml for git repo https://github.com/wcygan/grpc-toy written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/wcygan/grpc-toy 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/wcygan/grpc-toy 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 86884d2c33f2862a8e0e510b0fb4d3ec8397e5cf808cc4ad580a046b235ead4c
[INFO] running `Command { std: "docker" "start" "-a" "86884d2c33f2862a8e0e510b0fb4d3ec8397e5cf808cc4ad580a046b235ead4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86884d2c33f2862a8e0e510b0fb4d3ec8397e5cf808cc4ad580a046b235ead4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86884d2c33f2862a8e0e510b0fb4d3ec8397e5cf808cc4ad580a046b235ead4c", kill_on_drop: false }`
[INFO] [stdout] 86884d2c33f2862a8e0e510b0fb4d3ec8397e5cf808cc4ad580a046b235ead4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 86940775a8ebf8e6ea758b9464e6748e32d70b659e129e9929557a5f50715e41
[INFO] running `Command { std: "docker" "start" "-a" "86940775a8ebf8e6ea758b9464e6748e32d70b659e129e9929557a5f50715e41", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]     Checking smallvec v1.11.1
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling rustix v0.38.14
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling bitflags v2.4.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.7
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling async-trait v0.1.73
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]    Compiling prettyplease v0.2.15
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling bytes v1.5.0
[INFO] [stderr]    Compiling hashbrown v0.14.0
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]    Compiling axum-core v0.3.4
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]    Compiling fastrand v2.0.0
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]     Checking tower-layer v0.3.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling home v0.5.5
[INFO] [stderr]    Compiling axum v0.6.20
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking http-body v0.4.5
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[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking socket2 v0.5.4
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]    Compiling crossbeam-queue v0.3.8
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking base64 v0.21.4
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling indexmap v2.0.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]    Compiling regex-automata v0.3.8
[INFO] [stderr]    Compiling petgraph v0.6.4
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling tempfile v3.8.0
[INFO] [stderr]    Compiling regex v1.9.5
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling prost-derive v0.12.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]     Checking async-stream v0.3.5
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]    Compiling prost v0.12.1
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]    Compiling prost-types v0.12.1
[INFO] [stderr]    Compiling prost-build v0.12.1
[INFO] [stderr]    Compiling tonic-build v0.10.1
[INFO] [stderr]    Compiling grpc-toy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tokio-util v0.7.9
[INFO] [stderr]     Checking tokio-io-timeout v1.2.0
[INFO] [stderr]     Checking tokio-stream v0.1.14
[INFO] [stderr]     Checking tub v0.3.7
[INFO] [stderr]     Checking h2 v0.3.21
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking hyper-timeout v0.4.1
[INFO] [stderr]     Checking tonic v0.10.1
[INFO] [stderr]     Checking tonic-health v0.10.1
[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]    --> /opt/rustwide/target/debug/build/grpc-toy-f8c6b7fe0f5af3a6/out/hello.rs:247:42
[INFO] [stdout]     |
[INFO] [stdout] 247 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 248 | |                         let inner = inner.0;
[INFO] [stdout] 249 | |                         let method = SayHelloSvc(inner);
[INFO] [stdout] 250 | |                         let codec = tonic::codec::ProstCodec::default();
[INFO] [stdout] ...   |
[INFO] [stdout] 261 | |                         Ok(res)
[INFO] [stdout] 262 | |                     };
[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]    --> /opt/rustwide/target/debug/build/grpc-toy-f8c6b7fe0f5af3a6/out/hello.rs:261:25
[INFO] [stdout]     |
[INFO] [stdout] 261 |                         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]    --> /opt/rustwide/target/debug/build/grpc-toy-f8c6b7fe0f5af3a6/out/hello.rs:266:41
[INFO] [stdout]     |
[INFO] [stdout] 266 |                       Box::pin(async move {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 267 | |                         Ok(
[INFO] [stdout] 268 | |                             http::Response::builder()
[INFO] [stdout] 269 | |                                 .status(200)
[INFO] [stdout] ...   |
[INFO] [stdout] 275 | |                     })
[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]    --> /opt/rustwide/target/debug/build/grpc-toy-f8c6b7fe0f5af3a6/out/hello.rs:267:25
[INFO] [stdout]     |
[INFO] [stdout] 267 | /                         Ok(
[INFO] [stdout] 268 | |                             http::Response::builder()
[INFO] [stdout] 269 | |                                 .status(200)
[INFO] [stdout] 270 | |                                 .header("grpc-status", "12")
[INFO] [stdout] ...   |
[INFO] [stdout] 273 | |                                 .unwrap(),
[INFO] [stdout] 274 | |                         )
[INFO] [stdout]     | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `grpc-toy` (test "grpc-toy") 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]    --> /opt/rustwide/target/debug/build/grpc-toy-f8c6b7fe0f5af3a6/out/hello.rs:247:42
[INFO] [stdout]     |
[INFO] [stdout] 247 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 248 | |                         let inner = inner.0;
[INFO] [stdout] 249 | |                         let method = SayHelloSvc(inner);
[INFO] [stdout] 250 | |                         let codec = tonic::codec::ProstCodec::default();
[INFO] [stdout] ...   |
[INFO] [stdout] 261 | |                         Ok(res)
[INFO] [stdout] 262 | |                     };
[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]    --> /opt/rustwide/target/debug/build/grpc-toy-f8c6b7fe0f5af3a6/out/hello.rs:261:25
[INFO] [stdout]     |
[INFO] [stdout] 261 |                         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]    --> /opt/rustwide/target/debug/build/grpc-toy-f8c6b7fe0f5af3a6/out/hello.rs:266:41
[INFO] [stdout]     |
[INFO] [stdout] 266 |                       Box::pin(async move {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 267 | |                         Ok(
[INFO] [stdout] 268 | |                             http::Response::builder()
[INFO] [stdout] 269 | |                                 .status(200)
[INFO] [stdout] ...   |
[INFO] [stdout] 275 | |                     })
[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]    --> /opt/rustwide/target/debug/build/grpc-toy-f8c6b7fe0f5af3a6/out/hello.rs:267:25
[INFO] [stdout]     |
[INFO] [stdout] 267 | /                         Ok(
[INFO] [stdout] 268 | |                             http::Response::builder()
[INFO] [stdout] 269 | |                                 .status(200)
[INFO] [stdout] 270 | |                                 .header("grpc-status", "12")
[INFO] [stdout] ...   |
[INFO] [stdout] 273 | |                                 .unwrap(),
[INFO] [stdout] 274 | |                         )
[INFO] [stdout]     | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `grpc-toy` (bin "grpc-toy" test) due to 4 previous errors
[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]    --> /opt/rustwide/target/debug/build/grpc-toy-f8c6b7fe0f5af3a6/out/hello.rs:247:42
[INFO] [stdout]     |
[INFO] [stdout] 247 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 248 | |                         let inner = inner.0;
[INFO] [stdout] 249 | |                         let method = SayHelloSvc(inner);
[INFO] [stdout] 250 | |                         let codec = tonic::codec::ProstCodec::default();
[INFO] [stdout] ...   |
[INFO] [stdout] 261 | |                         Ok(res)
[INFO] [stdout] 262 | |                     };
[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]    --> /opt/rustwide/target/debug/build/grpc-toy-f8c6b7fe0f5af3a6/out/hello.rs:261:25
[INFO] [stdout]     |
[INFO] [stdout] 261 |                         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]    --> /opt/rustwide/target/debug/build/grpc-toy-f8c6b7fe0f5af3a6/out/hello.rs:266:41
[INFO] [stdout]     |
[INFO] [stdout] 266 |                       Box::pin(async move {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 267 | |                         Ok(
[INFO] [stdout] 268 | |                             http::Response::builder()
[INFO] [stdout] 269 | |                                 .status(200)
[INFO] [stdout] ...   |
[INFO] [stdout] 275 | |                     })
[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]    --> /opt/rustwide/target/debug/build/grpc-toy-f8c6b7fe0f5af3a6/out/hello.rs:267:25
[INFO] [stdout]     |
[INFO] [stdout] 267 | /                         Ok(
[INFO] [stdout] 268 | |                             http::Response::builder()
[INFO] [stdout] 269 | |                                 .status(200)
[INFO] [stdout] 270 | |                                 .header("grpc-status", "12")
[INFO] [stdout] ...   |
[INFO] [stdout] 273 | |                                 .unwrap(),
[INFO] [stdout] 274 | |                         )
[INFO] [stdout]     | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `grpc-toy` (bin "grpc-toy") due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "86940775a8ebf8e6ea758b9464e6748e32d70b659e129e9929557a5f50715e41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86940775a8ebf8e6ea758b9464e6748e32d70b659e129e9929557a5f50715e41", kill_on_drop: false }`
[INFO] [stdout] 86940775a8ebf8e6ea758b9464e6748e32d70b659e129e9929557a5f50715e41
