[INFO] fetching crate solti-prometheus 0.0.1...
[INFO] testing solti-prometheus-0.0.1 against 1.95.0 for beta-1.96-2
[INFO] extracting crate solti-prometheus 0.0.1 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate solti-prometheus 0.0.1
[INFO] finished tweaking crates.io crate solti-prometheus 0.0.1
[INFO] tweaked toml for crates.io crate solti-prometheus 0.0.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate solti-prometheus 0.0.1 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate solti-prometheus 0.0.1 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded solti-model v0.0.1
[INFO] [stderr]   Downloaded solti-runner v0.0.1
[INFO] [stderr]   Downloaded taskvisor v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d466fea0062c1682f2cc8b97237b1f60e75389551c0938cd74218154d2abf7f
[INFO] running `Command { std: "docker" "start" "-a" "0d466fea0062c1682f2cc8b97237b1f60e75389551c0938cd74218154d2abf7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d466fea0062c1682f2cc8b97237b1f60e75389551c0938cd74218154d2abf7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d466fea0062c1682f2cc8b97237b1f60e75389551c0938cd74218154d2abf7f", kill_on_drop: false }`
[INFO] [stdout] 0d466fea0062c1682f2cc8b97237b1f60e75389551c0938cd74218154d2abf7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f029a03649fbc1af3909cc5d7acc938b6b238a3ac53d31418722f30d3a39217a
[INFO] running `Command { std: "docker" "start" "-a" "f029a03649fbc1af3909cc5d7acc938b6b238a3ac53d31418722f30d3a39217a", kill_on_drop: false }`
[INFO] [stderr]    Compiling protobuf v3.7.2
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling fastrand v2.4.1
[INFO] [stderr]    Compiling prometheus v0.14.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling protobuf-support v3.7.2
[INFO] [stderr]    Compiling solti-model v0.0.1
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling tokio v1.52.1
[INFO] [stderr]    Compiling dashmap v6.1.0
[INFO] [stderr]    Compiling tokio-util v0.7.18
[INFO] [stderr]    Compiling taskvisor v0.1.2
[INFO] [stderr]    Compiling solti-runner v0.0.1
[INFO] [stderr]    Compiling solti-prometheus v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.06s
[INFO] running `Command { std: "docker" "inspect" "f029a03649fbc1af3909cc5d7acc938b6b238a3ac53d31418722f30d3a39217a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f029a03649fbc1af3909cc5d7acc938b6b238a3ac53d31418722f30d3a39217a", kill_on_drop: false }`
[INFO] [stdout] f029a03649fbc1af3909cc5d7acc938b6b238a3ac53d31418722f30d3a39217a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c43cac54d3b062a3f21544a9b636c67f07332a75e77014d053daeb831fb60b7
[INFO] running `Command { std: "docker" "start" "-a" "7c43cac54d3b062a3f21544a9b636c67f07332a75e77014d053daeb831fb60b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling solti-prometheus v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "7c43cac54d3b062a3f21544a9b636c67f07332a75e77014d053daeb831fb60b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c43cac54d3b062a3f21544a9b636c67f07332a75e77014d053daeb831fb60b7", kill_on_drop: false }`
[INFO] [stdout] 7c43cac54d3b062a3f21544a9b636c67f07332a75e77014d053daeb831fb60b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+1.95.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 75feea270a4c4b3ed3472be7bfe6d3af5747f9576455cab90f15ffe844c38124
[INFO] running `Command { std: "docker" "start" "-a" "75feea270a4c4b3ed3472be7bfe6d3af5747f9576455cab90f15ffe844c38124", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/solti_prometheus-1cbb6b2af56385e8)
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test subscriber::tests::backoff_failure_increments_counter ... ok
[INFO] [stdout] test subscriber::tests::actor_exhausted_increments_terminal ... ok
[INFO] [stdout] test backend::tests::record_task_started_increments_counter ... ok
[INFO] [stdout] test subscriber::tests::backoff_success_increments_counter ... ok
[INFO] [stdout] test backend::tests::record_runner_error_increments_counter ... ok
[INFO] [stdout] test backend::tests::can_use_custom_registry ... ok
[INFO] [stdout] test subscriber::tests::controller_rejected_increments_counter ... ok
[INFO] [stdout] test subscriber::tests::controller_submitted_increments_counter ... ok
[INFO] [stdout] test backend::tests::can_create_prometheus_metrics ... ok
[INFO] [stdout] test subscriber::tests::first_attempt_is_not_a_restart ... ok
[INFO] [stdout] test subscriber::tests::second_attempt_is_a_restart ... ok
[INFO] [stdout] test subscriber::tests::subscriber_overflow_increments_counter ... ok
[INFO] [stdout] test subscriber::tests::subscriber_panicked_increments_counter ... ok
[INFO] [stdout] test subscriber::tests::in_flight_does_not_go_negative ... ok
[INFO] [stdout] test subscriber::tests::task_failed_decrements_in_flight ... ok
[INFO] [stdout] test backend::tests::record_task_completed_increments_counter_and_histogram ... ok
[INFO] [stdout] test subscriber::tests::shared_registry_with_backend ... ok
[INFO] [stdout] test subscriber::tests::timeout_hit_increments_counter ... ok
[INFO] [stdout] test subscriber::tests::actor_dead_increments_terminal ... ok
[INFO] [stdout] test subscriber::tests::task_starting_increments_in_flight ... ok
[INFO] [stdout] test subscriber::tests::task_stopped_decrements_in_flight ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests solti_prometheus
[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" "75feea270a4c4b3ed3472be7bfe6d3af5747f9576455cab90f15ffe844c38124", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75feea270a4c4b3ed3472be7bfe6d3af5747f9576455cab90f15ffe844c38124", kill_on_drop: false }`
[INFO] [stdout] 75feea270a4c4b3ed3472be7bfe6d3af5747f9576455cab90f15ffe844c38124
