[INFO] fetching crate groupcache-pb 0.3.0...
[INFO] checking groupcache-pb-0.3.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate groupcache-pb 0.3.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate groupcache-pb 0.3.0
[INFO] finished tweaking crates.io crate groupcache-pb 0.3.0
[INFO] tweaked toml for crates.io crate groupcache-pb 0.3.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate groupcache-pb 0.3.0 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 crates.io crate groupcache-pb 0.3.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] fa98eb145df9ebfd5146a90dec84adda0109bc8e8f2f2e2306d9f79e3a2b6f5b
[INFO] running `Command { std: "docker" "start" "-a" "fa98eb145df9ebfd5146a90dec84adda0109bc8e8f2f2e2306d9f79e3a2b6f5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa98eb145df9ebfd5146a90dec84adda0109bc8e8f2f2e2306d9f79e3a2b6f5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa98eb145df9ebfd5146a90dec84adda0109bc8e8f2f2e2306d9f79e3a2b6f5b", kill_on_drop: false }`
[INFO] [stdout] fa98eb145df9ebfd5146a90dec84adda0109bc8e8f2f2e2306d9f79e3a2b6f5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] bd5c9ac272a757b78f97e16e29771b432deed80419cd6dd9beccd91c6d6508bd
[INFO] running `Command { std: "docker" "start" "-a" "bd5c9ac272a757b78f97e16e29771b432deed80419cd6dd9beccd91c6d6508bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling pulldown-cmark v0.13.0
[INFO] [stderr]    Compiling rustix v0.38.42
[INFO] [stderr]    Compiling prettyplease v0.2.25
[INFO] [stderr]     Checking indexmap v2.12.0
[INFO] [stderr]     Checking http v1.3.1
[INFO] [stderr]     Checking unicode-ident v1.0.14
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling multimap v0.10.0
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]     Checking heck v0.5.0
[INFO] [stderr]     Checking petgraph v0.6.5
[INFO] [stderr]     Checking pulldown-cmark-to-cmark v21.0.0
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]     Checking http-body-util v0.1.2
[INFO] [stderr]    Compiling syn v2.0.92
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking axum-core v0.5.5
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]    Compiling tempfile v3.14.0
[INFO] [stderr]     Checking tonic-build v0.14.2
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling prost-derive v0.14.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling pin-project-internal v1.1.7
[INFO] [stderr]    Compiling async-trait v0.1.83
[INFO] [stderr]     Checking tokio v1.48.0
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking pin-project v1.1.7
[INFO] [stderr]    Compiling prost v0.14.1
[INFO] [stderr]     Checking prost-types v0.14.1
[INFO] [stderr]     Checking prost-build v0.14.1
[INFO] [stderr]     Checking tonic-prost-build v0.14.2
[INFO] [stderr]    Compiling groupcache-pb v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tokio-util v0.7.13
[INFO] [stderr]     Checking tokio-stream v0.1.17
[INFO] [stderr]     Checking h2 v0.4.7
[INFO] [stderr]     Checking tower v0.5.2
[INFO] [stderr]     Checking axum v0.8.6
[INFO] [stderr]     Checking hyper v1.7.0
[INFO] [stderr]     Checking hyper-util v0.1.17
[INFO] [stderr]     Checking hyper-timeout v0.5.2
[INFO] [stderr]     Checking tonic v0.14.2
[INFO] [stderr]     Checking tonic-prost v0.14.2
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<tonic::body::Body>, Infallible>
[INFO] [stdout]    --> src/groupcache_pb.rs:278:42
[INFO] [stdout]     |
[INFO] [stdout] 278 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 279 | |                         let method = GetSvc(inner);
[INFO] [stdout] 280 | |                         let codec = tonic_prost::ProstCodec::default();
[INFO] [stdout] 281 | |                         let mut grpc = tonic::server::Grpc::new(codec)
[INFO] [stdout] ...   |
[INFO] [stdout] 291 | |                         Ok(res)
[INFO] [stdout] 292 | |                     };
[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<tonic::body::Body>, Infallible>
[INFO] [stdout]    --> src/groupcache_pb.rs:291:25
[INFO] [stdout]     |
[INFO] [stdout] 291 |                         Ok(res)
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<tonic::body::Body>, Infallible>
[INFO] [stdout]    --> src/groupcache_pb.rs:321:42
[INFO] [stdout]     |
[INFO] [stdout] 321 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 322 | |                         let method = RemoveSvc(inner);
[INFO] [stdout] 323 | |                         let codec = tonic_prost::ProstCodec::default();
[INFO] [stdout] 324 | |                         let mut grpc = tonic::server::Grpc::new(codec)
[INFO] [stdout] ...   |
[INFO] [stdout] 334 | |                         Ok(res)
[INFO] [stdout] 335 | |                     };
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<tonic::body::Body>, Infallible>
[INFO] [stdout]    --> src/groupcache_pb.rs:334:25
[INFO] [stdout]     |
[INFO] [stdout] 334 |                         Ok(res)
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<tonic::body::Body>, Infallible>
[INFO] [stdout]    --> src/groupcache_pb.rs:339:41
[INFO] [stdout]     |
[INFO] [stdout] 339 |                       Box::pin(async move {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 340 | |                         let mut response = http::Response::new(
[INFO] [stdout] 341 | |                             tonic::body::Body::default(),
[INFO] [stdout] 342 | |                         );
[INFO] [stdout] ...   |
[INFO] [stdout] 354 | |                         Ok(response)
[INFO] [stdout] 355 | |                     })
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<tonic::body::Body>, Infallible>
[INFO] [stdout]    --> src/groupcache_pb.rs:354:25
[INFO] [stdout]     |
[INFO] [stdout] 354 |                         Ok(response)
[INFO] [stdout]     |                         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `groupcache-pb` (lib) due to 6 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<tonic::body::Body>, Infallible>
[INFO] [stdout]    --> src/groupcache_pb.rs:278:42
[INFO] [stdout]     |
[INFO] [stdout] 278 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 279 | |                         let method = GetSvc(inner);
[INFO] [stdout] 280 | |                         let codec = tonic_prost::ProstCodec::default();
[INFO] [stdout] 281 | |                         let mut grpc = tonic::server::Grpc::new(codec)
[INFO] [stdout] ...   |
[INFO] [stdout] 291 | |                         Ok(res)
[INFO] [stdout] 292 | |                     };
[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<tonic::body::Body>, Infallible>
[INFO] [stdout]    --> src/groupcache_pb.rs:291:25
[INFO] [stdout]     |
[INFO] [stdout] 291 |                         Ok(res)
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<tonic::body::Body>, Infallible>
[INFO] [stdout]    --> src/groupcache_pb.rs:321:42
[INFO] [stdout]     |
[INFO] [stdout] 321 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 322 | |                         let method = RemoveSvc(inner);
[INFO] [stdout] 323 | |                         let codec = tonic_prost::ProstCodec::default();
[INFO] [stdout] 324 | |                         let mut grpc = tonic::server::Grpc::new(codec)
[INFO] [stdout] ...   |
[INFO] [stdout] 334 | |                         Ok(res)
[INFO] [stdout] 335 | |                     };
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<tonic::body::Body>, Infallible>
[INFO] [stdout]    --> src/groupcache_pb.rs:334:25
[INFO] [stdout]     |
[INFO] [stdout] 334 |                         Ok(res)
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<tonic::body::Body>, Infallible>
[INFO] [stdout]    --> src/groupcache_pb.rs:339:41
[INFO] [stdout]     |
[INFO] [stdout] 339 |                       Box::pin(async move {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 340 | |                         let mut response = http::Response::new(
[INFO] [stdout] 341 | |                             tonic::body::Body::default(),
[INFO] [stdout] 342 | |                         );
[INFO] [stdout] ...   |
[INFO] [stdout] 354 | |                         Ok(response)
[INFO] [stdout] 355 | |                     })
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<tonic::body::Body>, Infallible>
[INFO] [stdout]    --> src/groupcache_pb.rs:354:25
[INFO] [stdout]     |
[INFO] [stdout] 354 |                         Ok(response)
[INFO] [stdout]     |                         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `groupcache-pb` (lib test) due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "bd5c9ac272a757b78f97e16e29771b432deed80419cd6dd9beccd91c6d6508bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd5c9ac272a757b78f97e16e29771b432deed80419cd6dd9beccd91c6d6508bd", kill_on_drop: false }`
[INFO] [stdout] bd5c9ac272a757b78f97e16e29771b432deed80419cd6dd9beccd91c6d6508bd
