[INFO] fetching crate pdk-metrics-lib 1.6.0-rc.1...
[INFO] checking pdk-metrics-lib-1.6.0-rc.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate pdk-metrics-lib 1.6.0-rc.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate pdk-metrics-lib 1.6.0-rc.1
[INFO] finished tweaking crates.io crate pdk-metrics-lib 1.6.0-rc.1
[INFO] tweaked toml for crates.io crate pdk-metrics-lib 1.6.0-rc.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pdk-metrics-lib 1.6.0-rc.1 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 pdk-metrics-lib 1.6.0-rc.1 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] af7f3c54e844f50a9b1f76dab683e62d6633f0cca20e89697c08e4bf12ba006a
[INFO] running `Command { std: "docker" "start" "-a" "af7f3c54e844f50a9b1f76dab683e62d6633f0cca20e89697c08e4bf12ba006a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af7f3c54e844f50a9b1f76dab683e62d6633f0cca20e89697c08e4bf12ba006a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af7f3c54e844f50a9b1f76dab683e62d6633f0cca20e89697c08e4bf12ba006a", kill_on_drop: false }`
[INFO] [stdout] af7f3c54e844f50a9b1f76dab683e62d6633f0cca20e89697c08e4bf12ba006a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] df1ef9533589ddbf0e05e471fece34b3397323a12c84b833b7706e262cab9ba6
[INFO] running `Command { std: "docker" "start" "-a" "df1ef9533589ddbf0e05e471fece34b3397323a12c84b833b7706e262cab9ba6", kill_on_drop: false }`
[INFO] [stderr]    Compiling protobuf v3.7.2
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]     Checking icu_normalizer v2.1.1
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking pdk-proxy-wasm-stub v1.6.0-rc.1
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking url v2.5.7
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling protobuf-support v3.7.2
[INFO] [stderr]     Checking pdk-pel v1.6.0-rc.1
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]     Checking rmp-serde v1.3.0
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking pdk-classy v1.6.0-rc.1
[INFO] [stderr]    Compiling pdk-macros v1.6.0-rc.1
[INFO] [stderr]    Compiling protobuf-parse v3.7.2
[INFO] [stderr]     Checking pdk-script v1.6.0-rc.1
[INFO] [stderr]    Compiling protobuf-codegen v3.7.2
[INFO] [stderr]    Compiling pdk-core v1.6.0-rc.1
[INFO] [stderr]     Checking pdk-metrics-lib v1.6.0-rc.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<MetricsBuilder, Infallible>
[INFO] [stdout]   --> src/builder.rs:42:78
[INFO] [stdout]    |
[INFO] [stdout] 42 |       fn from_context(context: &ConfigureContext) -> Result<Self, Self::Error> {
[INFO] [stdout]    |  ______________________________________________________________________________^
[INFO] [stdout] 43 | |         let metrics: Rc<dyn MetricsHost> = context.extract()?;
[INFO] [stdout] 44 | |         let metadata: Rc<Metadata> = Rc::new(context.extract()?);
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |     }
[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: ControlFlow<Result<Infallible, Infallible>, Rc<dyn MetricsHost>>
[INFO] [stdout]   --> src/builder.rs:43:44
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let metrics: Rc<dyn MetricsHost> = context.extract()?;
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Rc<dyn MetricsHost>, Infallible>
[INFO] [stdout]   --> src/builder.rs:43:44
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let metrics: Rc<dyn MetricsHost> = context.extract()?;
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<MetricsBuilder, Infallible>
[INFO] [stdout]   --> src/builder.rs:43:44
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let metrics: Rc<dyn MetricsHost> = context.extract()?;
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, pdk_core::policy_context::api::Metadata>
[INFO] [stdout]   --> src/builder.rs:44:46
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let metadata: Rc<Metadata> = Rc::new(context.extract()?);
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<pdk_core::policy_context::api::Metadata, Infallible>
[INFO] [stdout]   --> src/builder.rs:44:46
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let metadata: Rc<Metadata> = Rc::new(context.extract()?);
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<MetricsBuilder, Infallible>
[INFO] [stdout]   --> src/builder.rs:44:46
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let metadata: Rc<Metadata> = Rc::new(context.extract()?);
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<MetricsBuilder, Infallible>
[INFO] [stdout]   --> src/builder.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         Ok(MetricsBuilder { metrics, metadata })
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ReadinessInstance, Infallible>
[INFO] [stdout]   --> src/readiness.rs:48:78
[INFO] [stdout]    |
[INFO] [stdout] 48 |       fn from_context(context: &ConfigureContext) -> Result<Self, Self::Error> {
[INFO] [stdout]    |  ______________________________________________________________________________^
[INFO] [stdout] 49 | |         let metrics: MetricsBuilder = context.extract()?;
[INFO] [stdout] 50 | |         let metadata: Metadata = context.extract()?;
[INFO] [stdout] ...  |
[INFO] [stdout] 60 | |         Ok(ReadinessInstance { gauge })
[INFO] [stdout] 61 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, MetricsBuilder>
[INFO] [stdout]   --> src/readiness.rs:49:39
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let metrics: MetricsBuilder = context.extract()?;
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<MetricsBuilder, Infallible>
[INFO] [stdout]   --> src/readiness.rs:49:39
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let metrics: MetricsBuilder = context.extract()?;
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ReadinessInstance, Infallible>
[INFO] [stdout]   --> src/readiness.rs:49:39
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let metrics: MetricsBuilder = context.extract()?;
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, pdk_core::policy_context::api::Metadata>
[INFO] [stdout]   --> src/readiness.rs:50:34
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let metadata: Metadata = context.extract()?;
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<pdk_core::policy_context::api::Metadata, Infallible>
[INFO] [stdout]   --> src/readiness.rs:50:34
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let metadata: Metadata = context.extract()?;
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ReadinessInstance, Infallible>
[INFO] [stdout]   --> src/readiness.rs:50:34
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let metadata: Metadata = context.extract()?;
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ReadinessInstance, Infallible>
[INFO] [stdout]   --> src/readiness.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |         Ok(ReadinessInstance { gauge })
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pdk-metrics-lib` (lib) due to 16 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<MetricsBuilder, Infallible>
[INFO] [stdout]   --> src/builder.rs:42:78
[INFO] [stdout]    |
[INFO] [stdout] 42 |       fn from_context(context: &ConfigureContext) -> Result<Self, Self::Error> {
[INFO] [stdout]    |  ______________________________________________________________________________^
[INFO] [stdout] 43 | |         let metrics: Rc<dyn MetricsHost> = context.extract()?;
[INFO] [stdout] 44 | |         let metadata: Rc<Metadata> = Rc::new(context.extract()?);
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |     }
[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: ControlFlow<Result<Infallible, Infallible>, Rc<dyn MetricsHost>>
[INFO] [stdout]   --> src/builder.rs:43:44
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let metrics: Rc<dyn MetricsHost> = context.extract()?;
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Rc<dyn MetricsHost>, Infallible>
[INFO] [stdout]   --> src/builder.rs:43:44
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let metrics: Rc<dyn MetricsHost> = context.extract()?;
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<MetricsBuilder, Infallible>
[INFO] [stdout]   --> src/builder.rs:43:44
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let metrics: Rc<dyn MetricsHost> = context.extract()?;
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, pdk_core::policy_context::api::Metadata>
[INFO] [stdout]   --> src/builder.rs:44:46
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let metadata: Rc<Metadata> = Rc::new(context.extract()?);
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<pdk_core::policy_context::api::Metadata, Infallible>
[INFO] [stdout]   --> src/builder.rs:44:46
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let metadata: Rc<Metadata> = Rc::new(context.extract()?);
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<MetricsBuilder, Infallible>
[INFO] [stdout]   --> src/builder.rs:44:46
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let metadata: Rc<Metadata> = Rc::new(context.extract()?);
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<MetricsBuilder, Infallible>
[INFO] [stdout]   --> src/builder.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         Ok(MetricsBuilder { metrics, metadata })
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ReadinessInstance, Infallible>
[INFO] [stdout]   --> src/readiness.rs:48:78
[INFO] [stdout]    |
[INFO] [stdout] 48 |       fn from_context(context: &ConfigureContext) -> Result<Self, Self::Error> {
[INFO] [stdout]    |  ______________________________________________________________________________^
[INFO] [stdout] 49 | |         let metrics: MetricsBuilder = context.extract()?;
[INFO] [stdout] 50 | |         let metadata: Metadata = context.extract()?;
[INFO] [stdout] ...  |
[INFO] [stdout] 60 | |         Ok(ReadinessInstance { gauge })
[INFO] [stdout] 61 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, MetricsBuilder>
[INFO] [stdout]   --> src/readiness.rs:49:39
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let metrics: MetricsBuilder = context.extract()?;
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<MetricsBuilder, Infallible>
[INFO] [stdout]   --> src/readiness.rs:49:39
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let metrics: MetricsBuilder = context.extract()?;
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ReadinessInstance, Infallible>
[INFO] [stdout]   --> src/readiness.rs:49:39
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let metrics: MetricsBuilder = context.extract()?;
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, pdk_core::policy_context::api::Metadata>
[INFO] [stdout]   --> src/readiness.rs:50:34
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let metadata: Metadata = context.extract()?;
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<pdk_core::policy_context::api::Metadata, Infallible>
[INFO] [stdout]   --> src/readiness.rs:50:34
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let metadata: Metadata = context.extract()?;
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ReadinessInstance, Infallible>
[INFO] [stdout]   --> src/readiness.rs:50:34
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let metadata: Metadata = context.extract()?;
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ReadinessInstance, Infallible>
[INFO] [stdout]   --> src/readiness.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |         Ok(ReadinessInstance { gauge })
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pdk-metrics-lib` (lib test) due to 16 previous errors
[INFO] running `Command { std: "docker" "inspect" "df1ef9533589ddbf0e05e471fece34b3397323a12c84b833b7706e262cab9ba6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df1ef9533589ddbf0e05e471fece34b3397323a12c84b833b7706e262cab9ba6", kill_on_drop: false }`
[INFO] [stdout] df1ef9533589ddbf0e05e471fece34b3397323a12c84b833b7706e262cab9ba6
