[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>, 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>, 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>, 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>, 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>, 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>, 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>, 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>, 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