[INFO] crate solana-metrics 0.16.6 is already in cache
[INFO] extracting crate solana-metrics 0.16.6 into work/ex/beta-1.38-1/sources/1.37.0/reg/solana-metrics/0.16.6
[INFO] extracting crate solana-metrics 0.16.6 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/solana-metrics/0.16.6
[INFO] validating manifest of solana-metrics-0.16.6 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of solana-metrics-0.16.6 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing solana-metrics-0.16.6
[INFO] finished frobbing solana-metrics-0.16.6
[INFO] frobbed toml for solana-metrics-0.16.6 written to work/ex/beta-1.38-1/sources/1.37.0/reg/solana-metrics/0.16.6/Cargo.toml
[INFO] started frobbing solana-metrics-0.16.6
[INFO] finished frobbing solana-metrics-0.16.6
[INFO] frobbed toml for solana-metrics-0.16.6 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/solana-metrics/0.16.6/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing solana-metrics-0.16.6 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/solana-metrics/0.16.6:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 9d7f810ddca138c7c805954cb459adaed106e170d51cd5a2f5399f7f1bf43d3e
[INFO] running `"docker" "start" "-a" "9d7f810ddca138c7c805954cb459adaed106e170d51cd5a2f5399f7f1bf43d3e"`
[INFO] [stderr]    Compiling solana-metrics v0.16.6 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/metrics.rs:212:21
[INFO] [stderr]     |
[INFO] [stderr] 212 |         writer: Arc<MetricsWriter + Send + Sync>,
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MetricsWriter + Send + Sync`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/metrics.rs:227:22
[INFO] [stderr]     |
[INFO] [stderr] 227 |         writer: &Arc<MetricsWriter + Send + Sync>,
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MetricsWriter + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/metrics.rs:272:22
[INFO] [stderr]     |
[INFO] [stderr] 272 |         writer: &Arc<MetricsWriter + Send + Sync>,
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MetricsWriter + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.86s
[INFO] running `"docker" "inspect" "9d7f810ddca138c7c805954cb459adaed106e170d51cd5a2f5399f7f1bf43d3e"`
[INFO] running `"docker" "rm" "-f" "9d7f810ddca138c7c805954cb459adaed106e170d51cd5a2f5399f7f1bf43d3e"`
[INFO] [stdout] 9d7f810ddca138c7c805954cb459adaed106e170d51cd5a2f5399f7f1bf43d3e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/solana-metrics/0.16.6:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] c5ff5aed058fb3b6765af24629d7a32e9a01271e4dc255d07bce3eda61eae511
[INFO] running `"docker" "start" "-a" "c5ff5aed058fb3b6765af24629d7a32e9a01271e4dc255d07bce3eda61eae511"`
[INFO] [stderr]    Compiling solana-metrics v0.16.6 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/metrics.rs:212:21
[INFO] [stderr]     |
[INFO] [stderr] 212 |         writer: Arc<MetricsWriter + Send + Sync>,
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MetricsWriter + Send + Sync`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/metrics.rs:227:22
[INFO] [stderr]     |
[INFO] [stderr] 227 |         writer: &Arc<MetricsWriter + Send + Sync>,
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MetricsWriter + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/metrics.rs:272:22
[INFO] [stderr]     |
[INFO] [stderr] 272 |         writer: &Arc<MetricsWriter + Send + Sync>,
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MetricsWriter + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.00s
[INFO] running `"docker" "inspect" "c5ff5aed058fb3b6765af24629d7a32e9a01271e4dc255d07bce3eda61eae511"`
[INFO] running `"docker" "rm" "-f" "c5ff5aed058fb3b6765af24629d7a32e9a01271e4dc255d07bce3eda61eae511"`
[INFO] [stdout] c5ff5aed058fb3b6765af24629d7a32e9a01271e4dc255d07bce3eda61eae511
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/solana-metrics/0.16.6:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] d6d347ffa6abda5e1759f1cd987f82d92cfb91198dddd2473c04799b485efe54
[INFO] running `"docker" "start" "-a" "d6d347ffa6abda5e1759f1cd987f82d92cfb91198dddd2473c04799b485efe54"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/solana_metrics-4ad53a916c26a14d
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test counter::tests::test_inc_new_counter ... ok
[INFO] [stdout] test counter::tests::test_counter ... ok
[INFO] [stdout] test counter::tests::test_lograte_env ... ok
[INFO] [stdout] test counter::tests::test_lograte ... ok
[INFO] [stdout] test metrics::test::test_datapoint ... ok
[INFO] [stdout] test metrics::test::test_live_submit ... ok
[INFO] [stderr] [2019-08-23T05:16:26Z INFO  solana_metrics::metrics::test] Writing 1 points (1 total)
[INFO] [stdout] test metrics::test::test_submit ... ok
[INFO] [stderr] [2019-08-23T05:16:26Z INFO  solana_metrics::metrics::test] Writing 42 points (42 total)
[INFO] [stdout] test metrics::test::test_flush_before_drop ... ok
[INFO] [stderr] [2019-08-23T05:16:26Z INFO  solana_metrics::metrics::test] Writing 42 points (42 total)
[INFO] [stdout] test metrics::test::test_multithread_submit ... ok
[INFO] [stderr] [2019-08-23T05:16:27Z WARN  solana_metrics::metrics] max submission rate of 100 datapoints per second exceeded.  only the
[INFO] [stderr]                     first 100 of 102 points will be submitted
[INFO] [stderr] [2019-08-23T05:16:27Z INFO  solana_metrics::metrics::test] Writing 1 points (1 total)
[INFO] [stderr] [2019-08-23T05:16:27Z INFO  solana_metrics::metrics::test] Writing 1 points (2 total)
[INFO] [stderr] [2019-08-23T05:16:27Z INFO  solana_metrics::metrics::test] Writing 99 points (99 total)
[INFO] [stderr] [2019-08-23T05:16:27Z INFO  solana_metrics::metrics::test] Writing 1 points (100 total)
[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. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d6d347ffa6abda5e1759f1cd987f82d92cfb91198dddd2473c04799b485efe54"`
[INFO] running `"docker" "rm" "-f" "d6d347ffa6abda5e1759f1cd987f82d92cfb91198dddd2473c04799b485efe54"`
[INFO] [stdout] d6d347ffa6abda5e1759f1cd987f82d92cfb91198dddd2473c04799b485efe54