[INFO] cloning repository https://github.com/conradludgate/tonic-tracing-repro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/conradludgate/tonic-tracing-repro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconradludgate%2Ftonic-tracing-repro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconradludgate%2Ftonic-tracing-repro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a7f6065c22ece6903e24f485b74969d9cd77a3a9
[INFO] checking conradludgate/tonic-tracing-repro 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%2Fconradludgate%2Ftonic-tracing-repro" "/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/conradludgate/tonic-tracing-repro
[INFO] finished tweaking git repo https://github.com/conradludgate/tonic-tracing-repro
[INFO] tweaked toml for git repo https://github.com/conradludgate/tonic-tracing-repro written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/conradludgate/tonic-tracing-repro 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/conradludgate/tonic-tracing-repro 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] 8ba4609b80f6f66a6d72be54a740d0ed4d606b74291d39fe2ba41c0ac5c5dc08
[INFO] running `Command { std: "docker" "start" "-a" "8ba4609b80f6f66a6d72be54a740d0ed4d606b74291d39fe2ba41c0ac5c5dc08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ba4609b80f6f66a6d72be54a740d0ed4d606b74291d39fe2ba41c0ac5c5dc08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ba4609b80f6f66a6d72be54a740d0ed4d606b74291d39fe2ba41c0ac5c5dc08", kill_on_drop: false }`
[INFO] [stdout] 8ba4609b80f6f66a6d72be54a740d0ed4d606b74291d39fe2ba41c0ac5c5dc08
[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] 6fc4ec1058a7455101ee205eac3154758b4726b6910323c99525c200a056a8c7
[INFO] running `Command { std: "docker" "start" "-a" "6fc4ec1058a7455101ee205eac3154758b4726b6910323c99525c200a056a8c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling parking_lot_core v0.9.2
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]     Checking tracing-core v0.1.25
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking http v0.2.6
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking mio v0.8.2
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling which v4.2.5
[INFO] [stderr]    Compiling cmake v0.1.48
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling httparse v1.7.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling prost-build v0.10.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]    Compiling fixedbitset v0.4.1
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling petgraph v0.6.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]    Compiling rustls v0.20.4
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking http-range-header v0.3.0
[INFO] [stderr]     Checking sync_wrapper v0.1.1
[INFO] [stderr]     Checking matchit v0.5.0
[INFO] [stderr]     Checking rustls-pemfile v0.3.0
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking webpki v0.22.0
[INFO] [stderr]    Compiling prettyplease v0.1.9
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.20
[INFO] [stderr]    Compiling prost-derive v0.10.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling async-stream-impl v0.3.3
[INFO] [stderr]     Checking async-stream v0.3.3
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]     Checking axum-core v0.2.1
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking tracing v0.1.33
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]    Compiling prost v0.10.1
[INFO] [stderr]    Compiling prost-types v0.10.1
[INFO] [stderr]    Compiling tonic-build v0.7.0
[INFO] [stderr]    Compiling tonic-tracing-repro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tokio-util v0.7.1
[INFO] [stderr]     Checking tokio-io-timeout v1.2.0
[INFO] [stderr]     Checking tokio-stream v0.1.8
[INFO] [stderr]     Checking tokio-rustls v0.23.3
[INFO] [stderr]     Checking h2 v0.3.13
[INFO] [stderr]     Checking tower v0.4.12
[INFO] [stderr]     Checking tower-http v0.2.5
[INFO] [stderr]     Checking hyper v0.14.18
[INFO] [stderr]     Checking axum v0.5.1
[INFO] [stderr]     Checking hyper-timeout v0.4.1
[INFO] [stderr]     Checking tonic v0.7.1
[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/tonic-tracing-repro-32b89f360cf84ea3/out/test.rs:182:42
[INFO] [stdout]     |
[INFO] [stdout] 182 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 183 | |                         let inner = inner.0;
[INFO] [stdout] 184 | |                         let method = TestSvc(inner);
[INFO] [stdout] 185 | |                         let codec = tonic::codec::ProstCodec::default();
[INFO] [stdout] ...   |
[INFO] [stdout] 192 | |                         Ok(res)
[INFO] [stdout] 193 | |                     };
[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/tonic-tracing-repro-32b89f360cf84ea3/out/test.rs:192:25
[INFO] [stdout]     |
[INFO] [stdout] 192 |                         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/tonic-tracing-repro-32b89f360cf84ea3/out/test.rs:197:41
[INFO] [stdout]     |
[INFO] [stdout] 197 |                       Box::pin(async move {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 198 | |                         Ok(
[INFO] [stdout] 199 | |                             http::Response::builder()
[INFO] [stdout] 200 | |                                 .status(200)
[INFO] [stdout] ...   |
[INFO] [stdout] 206 | |                     })
[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/tonic-tracing-repro-32b89f360cf84ea3/out/test.rs:198:25
[INFO] [stdout]     |
[INFO] [stdout] 198 | /                         Ok(
[INFO] [stdout] 199 | |                             http::Response::builder()
[INFO] [stdout] 200 | |                                 .status(200)
[INFO] [stdout] 201 | |                                 .header("grpc-status", "12")
[INFO] [stdout] ...   |
[INFO] [stdout] 204 | |                                 .unwrap(),
[INFO] [stdout] 205 | |                         )
[INFO] [stdout]     | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tonic-tracing-repro` (bin "tonic-tracing-repro") 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/tonic-tracing-repro-32b89f360cf84ea3/out/test.rs:182:42
[INFO] [stdout]     |
[INFO] [stdout] 182 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 183 | |                         let inner = inner.0;
[INFO] [stdout] 184 | |                         let method = TestSvc(inner);
[INFO] [stdout] 185 | |                         let codec = tonic::codec::ProstCodec::default();
[INFO] [stdout] ...   |
[INFO] [stdout] 192 | |                         Ok(res)
[INFO] [stdout] 193 | |                     };
[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/tonic-tracing-repro-32b89f360cf84ea3/out/test.rs:192:25
[INFO] [stdout]     |
[INFO] [stdout] 192 |                         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/tonic-tracing-repro-32b89f360cf84ea3/out/test.rs:197:41
[INFO] [stdout]     |
[INFO] [stdout] 197 |                       Box::pin(async move {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 198 | |                         Ok(
[INFO] [stdout] 199 | |                             http::Response::builder()
[INFO] [stdout] 200 | |                                 .status(200)
[INFO] [stdout] ...   |
[INFO] [stdout] 206 | |                     })
[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/tonic-tracing-repro-32b89f360cf84ea3/out/test.rs:198:25
[INFO] [stdout]     |
[INFO] [stdout] 198 | /                         Ok(
[INFO] [stdout] 199 | |                             http::Response::builder()
[INFO] [stdout] 200 | |                                 .status(200)
[INFO] [stdout] 201 | |                                 .header("grpc-status", "12")
[INFO] [stdout] ...   |
[INFO] [stdout] 204 | |                                 .unwrap(),
[INFO] [stdout] 205 | |                         )
[INFO] [stdout]     | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tonic-tracing-repro` (bin "tonic-tracing-repro" test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "6fc4ec1058a7455101ee205eac3154758b4726b6910323c99525c200a056a8c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fc4ec1058a7455101ee205eac3154758b4726b6910323c99525c200a056a8c7", kill_on_drop: false }`
[INFO] [stdout] 6fc4ec1058a7455101ee205eac3154758b4726b6910323c99525c200a056a8c7
