[INFO] fetching crate solana-metrics 1.6.22...
[INFO] testing solana-metrics-1.6.22 against 1.55.0 for beta-1.56-1
[INFO] extracting crate solana-metrics 1.6.22 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate solana-metrics 1.6.22 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate solana-metrics 1.6.22
[INFO] finished tweaking crates.io crate solana-metrics 1.6.22
[INFO] tweaked toml for crates.io crate solana-metrics 1.6.22 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2dd287086ef3a17d7ac780078e1f3ce0b8197fc9cf059756e9cb04035b2228f1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2dd287086ef3a17d7ac780078e1f3ce0b8197fc9cf059756e9cb04035b2228f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2dd287086ef3a17d7ac780078e1f3ce0b8197fc9cf059756e9cb04035b2228f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dd287086ef3a17d7ac780078e1f3ce0b8197fc9cf059756e9cb04035b2228f1", kill_on_drop: false }`
[INFO] [stdout] 2dd287086ef3a17d7ac780078e1f3ce0b8197fc9cf059756e9cb04035b2228f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 47fa5f6a7699e17dd227a67f197c4a325946fa3243af4cd6c2323c8afc879c6e
[INFO] running `Command { std: "docker" "start" "-a" "47fa5f6a7699e17dd227a67f197c4a325946fa3243af4cd6c2323c8afc879c6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling solana-sdk v1.6.22
[INFO] [stderr]    Compiling solana-program v1.6.22
[INFO] [stderr]    Compiling solana-crate-features v1.6.22
[INFO] [stderr]    Compiling solana-metrics v1.6.22 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.09s
[INFO] running `Command { std: "docker" "inspect" "47fa5f6a7699e17dd227a67f197c4a325946fa3243af4cd6c2323c8afc879c6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47fa5f6a7699e17dd227a67f197c4a325946fa3243af4cd6c2323c8afc879c6e", kill_on_drop: false }`
[INFO] [stdout] 47fa5f6a7699e17dd227a67f197c4a325946fa3243af4cd6c2323c8afc879c6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 124a7d805c145771faa3b1639f1614fc20d3bfd6f4216c0f5e0fbcfe24be60fd
[INFO] running `Command { std: "docker" "start" "-a" "124a7d805c145771faa3b1639f1614fc20d3bfd6f4216c0f5e0fbcfe24be60fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling serial_test_derive v0.4.0
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling serial_test v0.4.0
[INFO] [stderr]    Compiling solana-metrics v1.6.22 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 16.54s
[INFO] running `Command { std: "docker" "inspect" "124a7d805c145771faa3b1639f1614fc20d3bfd6f4216c0f5e0fbcfe24be60fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "124a7d805c145771faa3b1639f1614fc20d3bfd6f4216c0f5e0fbcfe24be60fd", kill_on_drop: false }`
[INFO] [stdout] 124a7d805c145771faa3b1639f1614fc20d3bfd6f4216c0f5e0fbcfe24be60fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c53945bf6b27e7676b65933cd442c2006a8a2a1e067de9a1299bac251b1f4315
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c53945bf6b27e7676b65933cd442c2006a8a2a1e067de9a1299bac251b1f4315", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/solana_metrics-e418a8866c4b7006)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test counter::tests::test_inc_new_counter ... ok
[INFO] [stdout] test counter::tests::test_metricsrate ... ok
[INFO] [stdout] test counter::tests::test_metricsrate_env ... ok
[INFO] [stdout] test datapoint::test::test_datapoint ... ok
[INFO] [stdout] test metrics::test::test_flush_before_drop ... ok
[INFO] [stdout] test metrics::test::test_live_submit ... ok
[INFO] [stdout] test metrics::test::test_submit_counter_increment ... ok
[INFO] [stdout] test metrics::test::test_submit ... ok
[INFO] [stdout] test counter::tests::test_lograte_env ... ok
[INFO] [stdout] test counter::tests::test_lograte ... ok
[INFO] [stdout] test metrics::test::test_submit_counter ... ok
[INFO] [stdout] test metrics::test::test_submit_bucketed_counter ... ok
[INFO] [stdout] test counter::tests::test_counter ... ok
[INFO] [stdout] test metrics::test::test_multithread_submit ... ok
[INFO] [stdout] test metrics::test::test_submit_with_delay ... ok
[INFO] [stdout] test metrics::test::test_submit_exceed_max_rate ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests solana_metrics
[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" "c53945bf6b27e7676b65933cd442c2006a8a2a1e067de9a1299bac251b1f4315", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c53945bf6b27e7676b65933cd442c2006a8a2a1e067de9a1299bac251b1f4315", kill_on_drop: false }`
[INFO] [stdout] c53945bf6b27e7676b65933cd442c2006a8a2a1e067de9a1299bac251b1f4315