[INFO] fetching crate metrics-exporter-dogstatsd 0.9.6...
[INFO] checking metrics-exporter-dogstatsd-0.9.6 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate metrics-exporter-dogstatsd 0.9.6 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate metrics-exporter-dogstatsd 0.9.6
[INFO] finished tweaking crates.io crate metrics-exporter-dogstatsd 0.9.6
[INFO] tweaked toml for crates.io crate metrics-exporter-dogstatsd 0.9.6 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate metrics-exporter-dogstatsd 0.9.6 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 metrics-exporter-dogstatsd 0.9.6 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] 961f903e3e052016dcf9bca382c7f312816973f5e8648689ccd92aa7610428f4
[INFO] running `Command { std: "docker" "start" "-a" "961f903e3e052016dcf9bca382c7f312816973f5e8648689ccd92aa7610428f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "961f903e3e052016dcf9bca382c7f312816973f5e8648689ccd92aa7610428f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "961f903e3e052016dcf9bca382c7f312816973f5e8648689ccd92aa7610428f4", kill_on_drop: false }`
[INFO] [stdout] 961f903e3e052016dcf9bca382c7f312816973f5e8648689ccd92aa7610428f4
[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] 5750873ebe0ed1ad5be605ea4f4f9d249f4889a9871ca6aea51409b2337627c1
[INFO] running `Command { std: "docker" "start" "-a" "5750873ebe0ed1ad5be605ea4f4f9d249f4889a9871ca6aea51409b2337627c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling zerocopy v0.8.24
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking smallvec v1.15.0
[INFO] [stderr]     Checking foldhash v0.1.5
[INFO] [stderr]     Checking hashbrown v0.15.2
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking raw-cpuid v11.5.0
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]     Checking metrics v0.24.2
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking indexmap v2.9.0
[INFO] [stderr]     Checking ordered-float v4.6.0
[INFO] [stderr]     Checking sketches-ddsketch v0.3.0
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking rand_xoshiro v0.7.0
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking unarray v0.1.4
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]     Checking quanta v0.12.5
[INFO] [stderr]     Checking tracing-subscriber v0.3.19
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.9.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking metrics-util v0.20.0
[INFO] [stderr]     Checking proptest v1.6.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]     Checking metrics-exporter-dogstatsd v0.9.6 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<Xoshiro256StarStar, Infallible>
[INFO] [stdout]   --> examples/dogstatsd_synchronous.rs:21:19
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut rng = Xoshiro256StarStar::try_from_rng(&mut rand::rng()).unwrap();
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `metrics-exporter-dogstatsd` (example "dogstatsd_synchronous") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5750873ebe0ed1ad5be605ea4f4f9d249f4889a9871ca6aea51409b2337627c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5750873ebe0ed1ad5be605ea4f4f9d249f4889a9871ca6aea51409b2337627c1", kill_on_drop: false }`
[INFO] [stdout] 5750873ebe0ed1ad5be605ea4f4f9d249f4889a9871ca6aea51409b2337627c1