[INFO] fetching crate launchdarkly-server-sdk 2.6.1...
[INFO] checking launchdarkly-server-sdk-2.6.1 against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] extracting crate launchdarkly-server-sdk 2.6.1 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate launchdarkly-server-sdk 2.6.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate launchdarkly-server-sdk 2.6.1
[INFO] tweaked toml for crates.io crate launchdarkly-server-sdk 2.6.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate launchdarkly-server-sdk 2.6.1 on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate launchdarkly-server-sdk 2.6.1 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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-io-timeout v1.2.1
[INFO] [stderr]   Downloaded generator v0.8.7
[INFO] [stderr]   Downloaded winapi-util v0.1.10
[INFO] [stderr]   Downloaded async-io v2.5.0
[INFO] [stderr]   Downloaded polling v3.10.0
[INFO] [stderr]   Downloaded eventsource-client v0.14.0
[INFO] [stderr]   Downloaded launchdarkly-server-sdk-evaluation v2.0.1
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f6312055364291230f5e327a8d597e50df4a9aa7ac717fa2c26231bcdaf5b56
[INFO] running `Command { std: "docker" "start" "-a" "9f6312055364291230f5e327a8d597e50df4a9aa7ac717fa2c26231bcdaf5b56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f6312055364291230f5e327a8d597e50df4a9aa7ac717fa2c26231bcdaf5b56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f6312055364291230f5e327a8d597e50df4a9aa7ac717fa2c26231bcdaf5b56", kill_on_drop: false }`
[INFO] [stdout] 9f6312055364291230f5e327a8d597e50df4a9aa7ac717fa2c26231bcdaf5b56
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93b8e5de2a5fb69e0048b642948757fe53fefe1efae9108944e0092a7d2f839d
[INFO] running `Command { std: "docker" "start" "-a" "93b8e5de2a5fb69e0048b642948757fe53fefe1efae9108944e0092a7d2f839d", kill_on_drop: false }`
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[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/config.rs:145:42
[INFO] [stdout]     |
[INFO] [stdout] 145 |     pub fn data_store_builder(&self) -> &(dyn DataStoreFactory) {
[INFO] [stdout]     |                                          ^                    ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 145 -     pub fn data_store_builder(&self) -> &(dyn DataStoreFactory) {
[INFO] [stdout] 145 +     pub fn data_store_builder(&self) -> &dyn DataStoreFactory  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/config.rs:150:43
[INFO] [stdout]     |
[INFO] [stdout] 150 |     pub fn data_source_builder(&self) -> &(dyn DataSourceFactory) {
[INFO] [stdout]     |                                           ^                     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 150 -     pub fn data_source_builder(&self) -> &(dyn DataSourceFactory) {
[INFO] [stdout] 150 +     pub fn data_source_builder(&self) -> &dyn DataSourceFactory  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/config.rs:155:47
[INFO] [stdout]     |
[INFO] [stdout] 155 |     pub fn event_processor_builder(&self) -> &(dyn EventProcessorFactory) {
[INFO] [stdout]     |                                               ^                         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 155 -     pub fn event_processor_builder(&self) -> &(dyn EventProcessorFactory) {
[INFO] [stdout] 155 +     pub fn event_processor_builder(&self) -> &dyn EventProcessorFactory  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/client.rs:1432:25
[INFO] [stdout]      |
[INFO] [stdout] 1432 |         ) -> Result<Box<(dyn PersistentDataStore + 'static)>, std::io::Error> {
[INFO] [stdout]      |                         ^                                 ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1432 -         ) -> Result<Box<(dyn PersistentDataStore + 'static)>, std::io::Error> {
[INFO] [stdout] 1432 +         ) -> Result<Box<dyn PersistentDataStore + 'static >, std::io::Error> {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/config.rs:145:42
[INFO] [stdout]     |
[INFO] [stdout] 145 |     pub fn data_store_builder(&self) -> &(dyn DataStoreFactory) {
[INFO] [stdout]     |                                          ^                    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 145 -     pub fn data_store_builder(&self) -> &(dyn DataStoreFactory) {
[INFO] [stdout] 145 +     pub fn data_store_builder(&self) -> &dyn DataStoreFactory  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/config.rs:150:43
[INFO] [stdout]     |
[INFO] [stdout] 150 |     pub fn data_source_builder(&self) -> &(dyn DataSourceFactory) {
[INFO] [stdout]     |                                           ^                     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 150 -     pub fn data_source_builder(&self) -> &(dyn DataSourceFactory) {
[INFO] [stdout] 150 +     pub fn data_source_builder(&self) -> &dyn DataSourceFactory  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/config.rs:155:47
[INFO] [stdout]     |
[INFO] [stdout] 155 |     pub fn event_processor_builder(&self) -> &(dyn EventProcessorFactory) {
[INFO] [stdout]     |                                               ^                         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 155 -     pub fn event_processor_builder(&self) -> &(dyn EventProcessorFactory) {
[INFO] [stdout] 155 +     pub fn event_processor_builder(&self) -> &dyn EventProcessorFactory  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/stores/persistent_store_builders.rs:105:25
[INFO] [stdout]     |
[INFO] [stdout] 105 |         ) -> Result<Box<(dyn PersistentDataStore + 'static)>, std::io::Error> {
[INFO] [stdout]     |                         ^                                 ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 105 -         ) -> Result<Box<(dyn PersistentDataStore + 'static)>, std::io::Error> {
[INFO] [stdout] 105 +         ) -> Result<Box<dyn PersistentDataStore + 'static >, std::io::Error> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `client::Client::initialized_async`: blocking without a timeout is discouraged, use wait_for_initialization instead
[INFO] [stdout]    --> src/client.rs:891:34
[INFO] [stdout]     |
[INFO] [stdout] 891 |         let initialized = client.initialized_async().await;
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/events/sender.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         &self,
[INFO] [stdout]    |         ^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 37 |     ) -> BoxFuture<()>;
[INFO] [stdout]    |          ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 37 |     ) -> BoxFuture<'_, ()>;
[INFO] [stdout]    |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/events/sender.rs:99:9
[INFO] [stdout]     |
[INFO] [stdout]  99 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 102 |     ) -> BoxFuture<()> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 102 |     ) -> BoxFuture<'_, ()> {
[INFO] [stdout]     |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/feature_requester.rs:20:16
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn get_all(&mut self) -> BoxFuture<Result<AllData<Flag, Segment>, FeatureRequesterError>>;
[INFO] [stdout]    |                ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                |
[INFO] [stdout]    |                the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn get_all(&mut self) -> BoxFuture<'_, Result<AllData<Flag, Segment>, FeatureRequesterError>>;
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/feature_requester.rs:52:16
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn get_all(&mut self) -> BoxFuture<Result<AllData<Flag, Segment>, FeatureRequesterError>> {
[INFO] [stdout]    |                ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                |
[INFO] [stdout]    |                the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn get_all(&mut self) -> BoxFuture<'_, Result<AllData<Flag, Segment>, FeatureRequesterError>> {
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/events/sender.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         &self,
[INFO] [stdout]    |         ^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 37 |     ) -> BoxFuture<()>;
[INFO] [stdout]    |          ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 37 |     ) -> BoxFuture<'_, ()>;
[INFO] [stdout]    |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/events/sender.rs:99:9
[INFO] [stdout]     |
[INFO] [stdout]  99 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 102 |     ) -> BoxFuture<()> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 102 |     ) -> BoxFuture<'_, ()> {
[INFO] [stdout]     |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/events/sender.rs:230:9
[INFO] [stdout]     |
[INFO] [stdout] 230 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 233 |     ) -> BoxFuture<()> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 233 |     ) -> BoxFuture<'_, ()> {
[INFO] [stdout]     |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/feature_requester.rs:20:16
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn get_all(&mut self) -> BoxFuture<Result<AllData<Flag, Segment>, FeatureRequesterError>>;
[INFO] [stdout]    |                ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                |
[INFO] [stdout]    |                the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn get_all(&mut self) -> BoxFuture<'_, Result<AllData<Flag, Segment>, FeatureRequesterError>>;
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/feature_requester.rs:52:16
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn get_all(&mut self) -> BoxFuture<Result<AllData<Flag, Segment>, FeatureRequesterError>> {
[INFO] [stdout]    |                ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                |
[INFO] [stdout]    |                the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn get_all(&mut self) -> BoxFuture<'_, Result<AllData<Flag, Segment>, FeatureRequesterError>> {
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 41s
[INFO] running `Command { std: "docker" "inspect" "93b8e5de2a5fb69e0048b642948757fe53fefe1efae9108944e0092a7d2f839d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93b8e5de2a5fb69e0048b642948757fe53fefe1efae9108944e0092a7d2f839d", kill_on_drop: false }`
[INFO] [stdout] 93b8e5de2a5fb69e0048b642948757fe53fefe1efae9108944e0092a7d2f839d
