[INFO] fetching crate snarkos-metrics 2.0.2...
[INFO] testing snarkos-metrics-2.0.2 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate snarkos-metrics 2.0.2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate snarkos-metrics 2.0.2
[INFO] finished tweaking crates.io crate snarkos-metrics 2.0.2
[INFO] tweaked toml for crates.io crate snarkos-metrics 2.0.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate snarkos-metrics 2.0.2 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 87 packages to latest compatible versions
[INFO] [stderr]       Adding metrics v0.18.1 (available: v0.24.3)
[INFO] [stderr]       Adding metrics-exporter-prometheus v0.8.0 (available: v0.18.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b333a8f615b9b079ad7ac7b106c312434c7844c66a8b30a984ad994844942115
[INFO] running `Command { std: "docker" "start" "-a" "b333a8f615b9b079ad7ac7b106c312434c7844c66a8b30a984ad994844942115", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b333a8f615b9b079ad7ac7b106c312434c7844c66a8b30a984ad994844942115", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b333a8f615b9b079ad7ac7b106c312434c7844c66a8b30a984ad994844942115", kill_on_drop: false }`
[INFO] [stdout] b333a8f615b9b079ad7ac7b106c312434c7844c66a8b30a984ad994844942115
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1533288e4c209f188ae007d068a93fd460ec2e4fe8e9c31b6f74288d4a338582
[INFO] running `Command { std: "docker" "start" "-a" "1533288e4c209f188ae007d068a93fd460ec2e4fe8e9c31b6f74288d4a338582", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling metrics v0.18.1
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling futures-task v0.3.32
[INFO] [stderr]    Compiling tokio v1.52.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling futures-channel v0.3.32
[INFO] [stderr]    Compiling sketches-ddsketch v0.1.3
[INFO] [stderr]    Compiling atomic-shim v0.2.0
[INFO] [stderr]    Compiling raw-cpuid v10.7.0
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling quanta v0.9.3
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling metrics-macros v0.5.1
[INFO] [stderr]    Compiling hyper v0.14.32
[INFO] [stderr]    Compiling metrics-util v0.11.1
[INFO] [stderr]    Compiling metrics-exporter-prometheus v0.8.0
[INFO] [stderr]    Compiling snarkos-metrics v2.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.17s
[INFO] running `Command { std: "docker" "inspect" "1533288e4c209f188ae007d068a93fd460ec2e4fe8e9c31b6f74288d4a338582", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1533288e4c209f188ae007d068a93fd460ec2e4fe8e9c31b6f74288d4a338582", kill_on_drop: false }`
[INFO] [stdout] 1533288e4c209f188ae007d068a93fd460ec2e4fe8e9c31b6f74288d4a338582
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51a3f278740b39145c36bab6a3fb9e4f43ca43a1e16dd14502da88d7db649b76
[INFO] running `Command { std: "docker" "start" "-a" "51a3f278740b39145c36bab6a3fb9e4f43ca43a1e16dd14502da88d7db649b76", kill_on_drop: false }`
[INFO] [stderr]    Compiling snarkos-metrics v2.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "51a3f278740b39145c36bab6a3fb9e4f43ca43a1e16dd14502da88d7db649b76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51a3f278740b39145c36bab6a3fb9e4f43ca43a1e16dd14502da88d7db649b76", kill_on_drop: false }`
[INFO] [stdout] 51a3f278740b39145c36bab6a3fb9e4f43ca43a1e16dd14502da88d7db649b76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 50915be857308bebc39af73d42f0f698f224144ffa8214ffa2875791fe82d940
[INFO] running `Command { std: "docker" "start" "-a" "50915be857308bebc39af73d42f0f698f224144ffa8214ffa2875791fe82d940", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/snarkos_metrics-01c2359eca8ee3ac)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests snarkos_metrics
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "50915be857308bebc39af73d42f0f698f224144ffa8214ffa2875791fe82d940", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50915be857308bebc39af73d42f0f698f224144ffa8214ffa2875791fe82d940", kill_on_drop: false }`
[INFO] [stdout] 50915be857308bebc39af73d42f0f698f224144ffa8214ffa2875791fe82d940
