[INFO] updating cached repository nuclearfurnace/synchrotron [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/nuclearfurnace/synchrotron [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/nuclearfurnace/synchrotron" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/nuclearfurnace/synchrotron"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/nuclearfurnace/synchrotron'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/nuclearfurnace/synchrotron" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/nuclearfurnace/synchrotron"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/nuclearfurnace/synchrotron'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 5cd3eb37809b14c13529f8f471155e4cdb339437 [INFO] sha for GitHub repo nuclearfurnace/synchrotron: 5cd3eb37809b14c13529f8f471155e4cdb339437 [INFO] validating manifest of nuclearfurnace/synchrotron on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of nuclearfurnace/synchrotron on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing nuclearfurnace/synchrotron [INFO] finished frobbing nuclearfurnace/synchrotron [INFO] frobbed toml for nuclearfurnace/synchrotron written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/nuclearfurnace/synchrotron/Cargo.toml [INFO] started frobbing nuclearfurnace/synchrotron [INFO] finished frobbing nuclearfurnace/synchrotron [INFO] frobbed toml for nuclearfurnace/synchrotron written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/nuclearfurnace/synchrotron/Cargo.toml [INFO] crate nuclearfurnace/synchrotron already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking nuclearfurnace/synchrotron against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-6/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/nuclearfurnace/synchrotron:/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=forbid" "-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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] c7144ebf86c21ef2fe911c5b4a48a0f6719e484567fae19234b984c59e1292e9 [INFO] running `"docker" "start" "-a" "c7144ebf86c21ef2fe911c5b4a48a0f6719e484567fae19234b984c59e1292e9"` [INFO] [stderr] Compiling synchrotron v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Checking tower v0.1.0 (https://github.com/nuclearfurnace/tower#afeed66a) [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking tower-direct-service v0.1.0 (https://github.com/nuclearfurnace/tower#afeed66a) [INFO] [stderr] Checking tower-service v0.2.0 (https://github.com/nuclearfurnace/tower#afeed66a) [INFO] [stderr] Checking futures-turnstyle v3.0.0 [INFO] [stderr] Checking crossbeam-channel v0.3.8 [INFO] [stderr] Checking quanta v0.1.0 [INFO] [stderr] Checking signal-hook v0.1.8 [INFO] [stderr] Checking tokio-current-thread v0.1.4 [INFO] [stderr] Checking btoi v0.4.0 [INFO] [stderr] Checking nom v4.2.1 [INFO] [stderr] Checking tower-buffer v0.1.0 (https://github.com/nuclearfurnace/tower#afeed66a) [INFO] [stderr] Checking crossbeam-deque v0.6.3 [INFO] [stderr] Checking tokio-evacuate v1.1.1 [INFO] [stderr] Checking chrono v0.4.6 [INFO] [stderr] Checking input_buffer v0.2.0 [INFO] [stderr] Checking rust-crypto v0.2.36 [INFO] [stderr] Checking tokio-io v0.1.11 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking want v0.0.6 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Compiling headers-derive v0.1.0 [INFO] [stderr] Checking pruefung v0.2.1 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking headers-core v0.1.0 [INFO] [stderr] Compiling phf_macros v0.7.24 [INFO] [stderr] Checking tungstenite v0.6.1 [INFO] [stderr] Checking crossbeam v0.6.0 [INFO] [stderr] Checking hdrhistogram v6.1.1 [INFO] [stderr] Checking config v0.9.2 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking h2 v0.1.16 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking tokio-reactor v0.1.8 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking slog-term v2.4.0 [INFO] [stderr] Checking tokio-threadpool v0.1.11 [INFO] [stderr] Checking slog-scope v4.1.1 [INFO] [stderr] Checking hotmic v0.7.1 [INFO] [stderr] Checking spectral v0.6.0 [INFO] [stderr] Checking headers v0.2.1 [INFO] [stderr] Checking tokio-udp v0.1.3 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking tokio-uds v0.2.5 [INFO] [stderr] Checking slog-stdlog v3.0.2 [INFO] [stderr] Checking tokio-fs v0.1.5 [INFO] [stderr] Checking phf v0.7.24 [INFO] [stderr] Checking tokio v0.1.15 [INFO] [stderr] Checking mime_guess v2.0.0-alpha.6 [INFO] [stderr] Checking hyper v0.12.24 [INFO] [stderr] Checking tokio-io-pool v0.1.5 [INFO] [stderr] Checking warp v0.1.13 [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/backend/distributor/mod.rs:40:61 [INFO] [stderr] | [INFO] [stderr] 40 | pub fn configure_distributor(dist_type: &str) -> Result, CreationError> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Distributor + 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/backend/errors.rs:87:32 [INFO] [stderr] | [INFO] [stderr] 87 | fn cause(&self) -> Option<&error::Error> { None } [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stderr] [INFO] [stderr] warning: the item `Error` is imported redundantly [INFO] [stderr] --> src/backend/errors.rs:92:13 [INFO] [stderr] | [INFO] [stderr] 23 | error::{self, Error}, [INFO] [stderr] | ----- the item `Error` is already imported here [INFO] [stderr] ... [INFO] [stderr] 92 | use std::error::Error; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/backend/hasher/mod.rs:33:56 [INFO] [stderr] | [INFO] [stderr] 33 | pub fn configure_hasher(hash_type: &str) -> Result, CreationError> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn KeyHasher + Send + Sync` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/backend/pool.rs:37:34 [INFO] [stderr] | [INFO] [stderr] 37 | type DistributorFutureSafe = Box; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Distributor + Send + 'static` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/backend/pool.rs:38:32 [INFO] [stderr] | [INFO] [stderr] 38 | type KeyHasherFutureSafe = Box; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn KeyHasher + Send + 'static` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/backend/processor/errors.rs:47:32 [INFO] [stderr] | [INFO] [stderr] 47 | fn cause(&self) -> Option<&error::Error> { None } [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/backend/processor/mod.rs:55:40 [INFO] [stderr] | [INFO] [stderr] 55 | fn get_error_message(&self, _: Box) -> Self::Message; [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/backend/redis.rs:63:40 [INFO] [stderr] | [INFO] [stderr] 63 | fn get_error_message(&self, e: Box) -> Self::Message { RedisMessage::from_error(e) } [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/listener.rs:48:33 [INFO] [stderr] | [INFO] [stderr] 48 | type GenericRuntimeFuture = Box + Send + 'static>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future + Send + 'static` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/protocol/errors.rs:53:32 [INFO] [stderr] | [INFO] [stderr] 53 | fn cause(&self) -> Option<&error::Error> { None } [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/protocol/redis/mod.rs:141:30 [INFO] [stderr] | [INFO] [stderr] 141 | pub fn from_error(e: Box) -> RedisMessage { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/routing/errors.rs:62:32 [INFO] [stderr] | [INFO] [stderr] 62 | fn cause(&self) -> Option<&error::Error> { None } [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/util/helpers.rs:26:16 [INFO] [stderr] | [INFO] [stderr] 26 | inner: Box + Send + 'static>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future + Send + 'static` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/backend/distributor/mod.rs:40:61 [INFO] [stderr] | [INFO] [stderr] 40 | pub fn configure_distributor(dist_type: &str) -> Result, CreationError> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Distributor + 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/backend/errors.rs:87:32 [INFO] [stderr] | [INFO] [stderr] 87 | fn cause(&self) -> Option<&error::Error> { None } [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stderr] [INFO] [stderr] warning: the item `Error` is imported redundantly [INFO] [stderr] --> src/backend/errors.rs:92:13 [INFO] [stderr] | [INFO] [stderr] 23 | error::{self, Error}, [INFO] [stderr] | ----- the item `Error` is already imported here [INFO] [stderr] ... [INFO] [stderr] 92 | use std::error::Error; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/backend/hasher/mod.rs:33:56 [INFO] [stderr] | [INFO] [stderr] 33 | pub fn configure_hasher(hash_type: &str) -> Result, CreationError> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn KeyHasher + Send + Sync` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/backend/pool.rs:37:34 [INFO] [stderr] | [INFO] [stderr] 37 | type DistributorFutureSafe = Box; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Distributor + Send + 'static` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/backend/pool.rs:38:32 [INFO] [stderr] | [INFO] [stderr] 38 | type KeyHasherFutureSafe = Box; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn KeyHasher + Send + 'static` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/backend/processor/errors.rs:47:32 [INFO] [stderr] | [INFO] [stderr] 47 | fn cause(&self) -> Option<&error::Error> { None } [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/backend/processor/mod.rs:55:40 [INFO] [stderr] | [INFO] [stderr] 55 | fn get_error_message(&self, _: Box) -> Self::Message; [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/backend/redis.rs:63:40 [INFO] [stderr] | [INFO] [stderr] 63 | fn get_error_message(&self, e: Box) -> Self::Message { RedisMessage::from_error(e) } [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/listener.rs:48:33 [INFO] [stderr] | [INFO] [stderr] 48 | type GenericRuntimeFuture = Box + Send + 'static>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future + Send + 'static` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/protocol/errors.rs:53:32 [INFO] [stderr] | [INFO] [stderr] 53 | fn cause(&self) -> Option<&error::Error> { None } [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/protocol/redis/mod.rs:141:30 [INFO] [stderr] | [INFO] [stderr] 141 | pub fn from_error(e: Box) -> RedisMessage { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/routing/errors.rs:62:32 [INFO] [stderr] | [INFO] [stderr] 62 | fn cause(&self) -> Option<&error::Error> { None } [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/util/helpers.rs:26:16 [INFO] [stderr] | [INFO] [stderr] 26 | inner: Box + Send + 'static>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future + Send + 'static` [INFO] [stderr] [INFO] [stderr] warning: field is never used: `noreply` [INFO] [stderr] --> src/backend/pool.rs:48:5 [INFO] [stderr] | [INFO] [stderr] 48 | noreply: bool, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `sink` [INFO] [stderr] --> src/backend/pool.rs:50:5 [INFO] [stderr] | [INFO] [stderr] 50 | sink: MetricSink<&'static str>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `set_noreply` [INFO] [stderr] --> src/backend/pool.rs:200:5 [INFO] [stderr] | [INFO] [stderr] 200 | pub fn set_noreply(mut self, noreply: bool) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `sink` [INFO] [stderr] --> src/backend/mod.rs:276:5 [INFO] [stderr] | [INFO] [stderr] 276 | sink: MetricSink<&'static str>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `REDIS_STATUS_BUF` [INFO] [stderr] --> src/protocol/redis/mod.rs:43:1 [INFO] [stderr] | [INFO] [stderr] 43 | const REDIS_STATUS_BUF: [u8; 1] = [REDIS_COMMAND_STATUS]; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `from_status` [INFO] [stderr] --> src/protocol/redis/mod.rs:131:5 [INFO] [stderr] | [INFO] [stderr] 131 | pub fn from_status(status_str: &str) -> RedisMessage { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `noreply` [INFO] [stderr] --> src/backend/pool.rs:48:5 [INFO] [stderr] | [INFO] [stderr] 48 | noreply: bool, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `sink` [INFO] [stderr] --> src/backend/pool.rs:50:5 [INFO] [stderr] | [INFO] [stderr] 50 | sink: MetricSink<&'static str>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `set_noreply` [INFO] [stderr] --> src/backend/pool.rs:200:5 [INFO] [stderr] | [INFO] [stderr] 200 | pub fn set_noreply(mut self, noreply: bool) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `sink` [INFO] [stderr] --> src/backend/mod.rs:276:5 [INFO] [stderr] | [INFO] [stderr] 276 | sink: MetricSink<&'static str>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 51.80s [INFO] running `"docker" "inspect" "c7144ebf86c21ef2fe911c5b4a48a0f6719e484567fae19234b984c59e1292e9"` [INFO] running `"docker" "rm" "-f" "c7144ebf86c21ef2fe911c5b4a48a0f6719e484567fae19234b984c59e1292e9"` [INFO] [stdout] c7144ebf86c21ef2fe911c5b4a48a0f6719e484567fae19234b984c59e1292e9