[INFO] fetching crate solana-metrics 1.2.10... [INFO] testing solana-metrics-1.2.10 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409 [INFO] extracting crate solana-metrics 1.2.10 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate solana-metrics 1.2.10 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate solana-metrics 1.2.10 [INFO] finished tweaking crates.io crate solana-metrics 1.2.10 [INFO] tweaked toml for crates.io crate solana-metrics 1.2.10 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", 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] 7f88681e44958bfd8781b403cbb784fe8c096729bdc0224de3a036fc763a8597 [INFO] running `Command { std: "docker" "start" "-a" "7f88681e44958bfd8781b403cbb784fe8c096729bdc0224de3a036fc763a8597", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7f88681e44958bfd8781b403cbb784fe8c096729bdc0224de3a036fc763a8597", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7f88681e44958bfd8781b403cbb784fe8c096729bdc0224de3a036fc763a8597", kill_on_drop: false }` [INFO] [stdout] 7f88681e44958bfd8781b403cbb784fe8c096729bdc0224de3a036fc763a8597 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 566ab66b7b05bea4be4ef7f869275d93fd8c0aedbf12b0e93cdb1611ce34fd61 [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" "566ab66b7b05bea4be4ef7f869275d93fd8c0aedbf12b0e93cdb1611ce34fd61", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.73 [INFO] [stderr] Compiling spin v0.5.2 [INFO] [stderr] Compiling syn v1.0.35 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling futures v0.1.29 [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling futures-core v0.3.5 [INFO] [stderr] Compiling bytes v0.5.6 [INFO] [stderr] Compiling pin-project-internal v0.4.22 [INFO] [stderr] Compiling itoa v0.4.6 [INFO] [stderr] Compiling untrusted v0.7.1 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling pin-project-lite v0.1.7 [INFO] [stderr] Compiling proc-macro-nested v0.1.6 [INFO] [stderr] Compiling once_cell v1.4.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.16 [INFO] [stderr] Compiling tinyvec v0.3.3 [INFO] [stderr] Compiling futures-io v0.3.5 [INFO] [stderr] Compiling matches v0.1.8 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling futures-sink v0.3.5 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling base64 v0.12.3 [INFO] [stderr] Compiling try-lock v0.2.3 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling adler v0.2.3 [INFO] [stderr] Compiling regex-syntax v0.6.18 [INFO] [stderr] Compiling ppv-lite86 v0.2.8 [INFO] [stderr] Compiling encoding_rs v0.8.23 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling percent-encoding v2.1.0 [INFO] [stderr] Compiling tower-service v0.3.0 [INFO] [stderr] Compiling gimli v0.22.0 [INFO] [stderr] Compiling rustc-demangle v0.1.16 [INFO] [stderr] Compiling rustversion v1.0.3 [INFO] [stderr] Compiling subtle v2.2.3 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling winapi v0.3.9 [INFO] [stderr] Compiling dtoa v0.4.6 [INFO] [stderr] Compiling feature-probe v0.1.1 [INFO] [stderr] Compiling object v0.20.0 [INFO] [stderr] Compiling zeroize v1.1.0 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling mime v0.3.16 [INFO] [stderr] Compiling subtle v1.0.0 [INFO] [stderr] Compiling ipnet v2.3.0 [INFO] [stderr] Compiling termcolor v1.1.0 [INFO] [stderr] Compiling bs58 v0.3.1 [INFO] [stderr] Compiling assert_matches v1.3.0 [INFO] [stderr] Compiling hex v0.4.2 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling hashbrown v0.8.1 [INFO] [stderr] Compiling memoffset v0.5.5 [INFO] [stderr] Compiling indexmap v1.5.0 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling lock_api v0.3.4 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling futures-channel v0.3.5 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling unicode-bidi v0.3.4 [INFO] [stderr] Compiling futures-task v0.3.5 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling generic-array v0.14.3 [INFO] [stderr] Compiling miniz_oxide v0.4.0 [INFO] [stderr] Compiling unicode-normalization v0.1.13 [INFO] [stderr] Compiling http v0.2.1 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling bv v0.11.1 [INFO] [stderr] Compiling tracing-core v0.1.11 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling tokio-sync v0.1.8 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling generic-array v0.12.3 [INFO] [stderr] Compiling smallvec v0.6.13 [INFO] [stderr] Compiling want v0.3.0 [INFO] [stderr] Compiling tracing v0.1.17 [INFO] [stderr] Compiling aho-corasick v0.7.13 [INFO] [stderr] Compiling idna v0.2.0 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling solana-sdk v1.2.13 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Compiling crypto-mac v0.7.0 [INFO] [stderr] Compiling tokio-executor v0.1.10 [INFO] [stderr] Compiling crossbeam-queue v0.2.3 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling mime_guess v2.0.3 [INFO] [stderr] Compiling sha2 v0.8.2 [INFO] [stderr] Compiling pbkdf2 v0.3.0 [INFO] [stderr] Compiling hmac v0.7.1 [INFO] [stderr] Compiling url v2.1.1 [INFO] [stderr] Compiling tokio-current-thread v0.1.7 [INFO] [stderr] Compiling tokio-timer v0.2.13 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling jobserver v0.1.21 [INFO] [stderr] Compiling net2 v0.2.34 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Compiling socket2 v0.3.12 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling memmap v0.7.0 [INFO] [stderr] Compiling gethostname v0.2.1 [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [INFO] [stderr] Compiling addr2line v0.13.0 [INFO] [stderr] Compiling http-body v0.3.1 [INFO] [stderr] Compiling regex v1.3.9 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling cc v1.0.49 [INFO] [stderr] Compiling mio v0.6.22 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling chrono v0.4.13 [INFO] [stderr] Compiling tokio-threadpool v0.1.18 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling curve25519-dalek v2.1.0 [INFO] [stderr] Compiling tokio-io v0.1.13 [INFO] [stderr] Compiling tokio v0.2.22 [INFO] [stderr] Compiling mio-uds v0.6.8 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling tokio-reactor v0.1.12 [INFO] [stderr] Compiling tokio-codec v0.1.2 [INFO] [stderr] Compiling tokio-fs v0.1.7 [INFO] [stderr] Compiling env_logger v0.7.1 [INFO] [stderr] Compiling tokio-udp v0.1.6 [INFO] [stderr] Compiling tokio-tcp v0.1.4 [INFO] [stderr] Compiling tokio-uds v0.2.7 [INFO] [stderr] Compiling ring v0.16.12 [INFO] [stderr] Compiling clear_on_drop v0.2.4 [INFO] [stderr] Compiling solana-logger v1.2.13 [INFO] [stderr] Compiling tokio v0.1.22 [INFO] [stderr] Compiling tokio-util v0.3.1 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling webpki v0.21.2 [INFO] [stderr] Compiling sct v0.6.0 [INFO] [stderr] Compiling rustls v0.18.0 [INFO] [stderr] Compiling webpki-roots v0.19.0 [INFO] [stderr] Compiling serde_derive v1.0.114 [INFO] [stderr] Compiling futures-macro v0.3.5 [INFO] [stderr] Compiling thiserror-impl v1.0.20 [INFO] [stderr] Compiling num-derive v0.3.0 [INFO] [stderr] Compiling solana-sdk-macro v1.2.13 [INFO] [stderr] Compiling thiserror v1.0.20 [INFO] [stderr] Compiling tokio-rustls v0.14.0 [INFO] [stderr] Compiling pin-project v0.4.22 [INFO] [stderr] Compiling futures-util v0.3.5 [INFO] [stderr] Compiling h2 v0.2.6 [INFO] [stderr] Compiling serde_json v1.0.56 [INFO] [stderr] Compiling backtrace v0.3.50 [INFO] [stderr] Compiling serde_urlencoded v0.6.1 [INFO] [stderr] Compiling ed25519-dalek v1.0.0-pre.3 [INFO] [stderr] Compiling serde_bytes v0.11.5 [INFO] [stderr] Compiling bincode v1.3.1 [INFO] [stderr] Compiling hyper v0.13.7 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling hyper-rustls v0.21.0 [INFO] [stderr] Compiling reqwest v0.10.7 [INFO] [stderr] Compiling solana-crate-features v1.2.13 [INFO] [stderr] Compiling solana-metrics v1.2.10 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/metrics.rs:337:5 [INFO] [stdout] | [INFO] [stdout] 337 | std::mem::replace(&mut *rw, host_id); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4m 37s [INFO] running `Command { std: "docker" "inspect" "566ab66b7b05bea4be4ef7f869275d93fd8c0aedbf12b0e93cdb1611ce34fd61", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "566ab66b7b05bea4be4ef7f869275d93fd8c0aedbf12b0e93cdb1611ce34fd61", kill_on_drop: false }` [INFO] [stdout] 566ab66b7b05bea4be4ef7f869275d93fd8c0aedbf12b0e93cdb1611ce34fd61 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2d621b6ce10e336ffa5a90d3952dfa183e89eda504bf1be5fef7f0d01cccfe0f [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" "2d621b6ce10e336ffa5a90d3952dfa183e89eda504bf1be5fef7f0d01cccfe0f", kill_on_drop: false }` [INFO] [stderr] Compiling smallvec v1.4.1 [INFO] [stderr] Compiling serial_test_derive v0.4.0 [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/metrics.rs:337:5 [INFO] [stdout] | [INFO] [stdout] 337 | std::mem::replace(&mut *rw, host_id); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling parking_lot_core v0.7.2 [INFO] [stderr] Compiling parking_lot v0.10.2 [INFO] [stderr] Compiling serial_test v0.4.0 [INFO] [stderr] Compiling solana-metrics v1.2.10 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/metrics.rs:337:5 [INFO] [stdout] | [INFO] [stdout] 337 | std::mem::replace(&mut *rw, host_id); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 13.15s [INFO] running `Command { std: "docker" "inspect" "2d621b6ce10e336ffa5a90d3952dfa183e89eda504bf1be5fef7f0d01cccfe0f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d621b6ce10e336ffa5a90d3952dfa183e89eda504bf1be5fef7f0d01cccfe0f", kill_on_drop: false }` [INFO] [stdout] 2d621b6ce10e336ffa5a90d3952dfa183e89eda504bf1be5fef7f0d01cccfe0f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] d57aa71e977c7a62c1f1c7bb6c4e5957479c86881e176ba3885deff329db4b2b [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" "d57aa71e977c7a62c1f1c7bb6c4e5957479c86881e176ba3885deff329db4b2b", kill_on_drop: false }` [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/metrics.rs:337:5 [INFO] [stderr] | [INFO] [stderr] 337 | std::mem::replace(&mut *rw, host_id); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/metrics.rs:337:5 [INFO] [stderr] | [INFO] [stderr] 337 | std::mem::replace(&mut *rw, host_id); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.29s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/solana_metrics-7fa67e85ecbb8670 [INFO] [stdout] [INFO] [stdout] running 16 tests [INFO] [stdout] test counter::tests::test_inc_new_counter ... ok [INFO] [stdout] test datapoint::test::test_datapoint ... ok [INFO] [stdout] test metrics::test::test_submit_counter_increment ... ok [INFO] [stdout] test metrics::test::test_submit ... ok [INFO] [stdout] test metrics::test::test_submit_bucketed_counter ... ok [INFO] [stdout] test counter::tests::test_metricsrate_env ... ok [INFO] [stderr] [2020-07-25T11:04:16Z INFO solana_metrics::metrics] datapoint: measurement i=27i [INFO] [stdout] test counter::tests::test_lograte_env ... ok [INFO] [stderr] [2020-07-25T11:04:16Z INFO solana_metrics::metrics] datapoint: measurement i=31i [INFO] [stdout] test counter::tests::test_metricsrate ... ok [INFO] [stderr] [2020-07-25T11:04:16Z INFO solana_metrics::metrics] metrics disabled: SOLANA_METRICS_CONFIG: environment variable not found [INFO] [stdout] test counter::tests::test_counter ... ok [INFO] [stderr] [2020-07-25T11:04:16Z INFO solana_metrics::metrics::test] Writing 21 points (21 total) [INFO] [stdout] test counter::tests::test_lograte ... ok [INFO] [stderr] [2020-07-25T11:04:16Z INFO solana_metrics::metrics] datapoint: measurement i=29i [INFO] [stderr] [2020-07-25T11:04:16Z INFO solana_metrics::metrics] datapoint: live_submit_test true=true random_bool=true random_int=77i [INFO] [stdout] test metrics::test::test_submit_counter ... ok [INFO] [stderr] [2020-07-25T11:04:16Z INFO solana_metrics::metrics] datapoint: measurement i=38i [INFO] [stdout] test metrics::test::test_flush_before_drop ... ok [INFO] [stderr] [2020-07-25T11:04:16Z INFO solana_metrics::metrics] datapoint: point 1 [INFO] [stderr] [2020-07-25T11:04:16Z INFO solana_metrics::metrics::test] Writing 2 points (2 total) [INFO] [stdout] test metrics::test::test_live_submit ... ok [INFO] [stderr] [2020-07-25T11:04:16Z INFO solana_metrics::metrics] datapoint: measurement i=37i [INFO] [stderr] [2020-07-25T11:04:16Z INFO solana_metrics::metrics] datapoint: measurement i=41i [INFO] [stderr] [2020-07-25T11:04:16Z INFO solana_metrics::metrics] datapoint: measurement i=36i [INFO] [stderr] [2020-07-25T11:04:16Z INFO solana_metrics::metrics] datapoint: measurement i=35i [INFO] [stderr] [2020-07-25T11:04:16Z INFO solana_metrics::metrics] datapoint: measurement i=34i [INFO] [stderr] [2020-07-25T11:04:16Z INFO solana_metrics::metrics] datapoint: measurement i=28i [INFO] [stderr] [2020-07-25T11:04:16Z INFO solana_metrics::metrics] datapoint: measurement i=33i [INFO] [stderr] [2020-07-25T11:04:16Z INFO solana_metrics::metrics] datapoint: measurement i=30i [INFO] [stderr] [2020-07-25T11:04:16Z INFO solana_metrics::metrics] datapoint: measurement i=39i [INFO] [stderr] [2020-07-25T11:04:16Z INFO solana_metrics::metrics] datapoint: measurement i=40i [INFO] [stderr] [2020-07-25T11:04:16Z INFO solana_metrics::metrics] datapoint: measurement i=32i [INFO] [stderr] [2020-07-25T11:04:16Z INFO solana_metrics::metrics::test] Writing 43 points (43 total) [INFO] [stdout] test metrics::test::test_multithread_submit ... ok [INFO] [stderr] [2020-07-25T11:04:17Z 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] [2020-07-25T11:04:17Z INFO solana_metrics::metrics::test] Writing 100 points (100 total) [INFO] [stderr] [2020-07-25T11:04:17Z INFO solana_metrics::metrics::test] Writing 2 points (2 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. 16 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 `Command { std: "docker" "inspect" "d57aa71e977c7a62c1f1c7bb6c4e5957479c86881e176ba3885deff329db4b2b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d57aa71e977c7a62c1f1c7bb6c4e5957479c86881e176ba3885deff329db4b2b", kill_on_drop: false }` [INFO] [stdout] d57aa71e977c7a62c1f1c7bb6c4e5957479c86881e176ba3885deff329db4b2b