[INFO] fetching crate slatedb 0.9.0...
[INFO] checking slatedb-0.9.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate slatedb 0.9.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate slatedb 0.9.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate slatedb 0.9.0
[INFO] tweaked toml for crates.io crate slatedb 0.9.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate slatedb 0.9.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate slatedb 0.9.0 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3896df55dd6509dc280a83bf0863c97587fad6827d9c0c5ef57b25c9ef899fb7
[INFO] running `Command { std: "docker" "start" "-a" "3896df55dd6509dc280a83bf0863c97587fad6827d9c0c5ef57b25c9ef899fb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3896df55dd6509dc280a83bf0863c97587fad6827d9c0c5ef57b25c9ef899fb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3896df55dd6509dc280a83bf0863c97587fad6827d9c0c5ef57b25c9ef899fb7", kill_on_drop: false }`
[INFO] [stdout] 3896df55dd6509dc280a83bf0863c97587fad6827d9c0c5ef57b25c9ef899fb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2469e767b0cf2a7342652fc0f1998fbf0f6802d89fd4790c877993d8bf7e0ce6
[INFO] running `Command { std: "docker" "start" "-a" "2469e767b0cf2a7342652fc0f1998fbf0f6802d89fd4790c877993d8bf7e0ce6", kill_on_drop: false }`
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[INFO] [stderr]     Checking object_store v0.12.3
[INFO] [stderr]     Checking slatedb v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, MergeOperatorError>, bytes::Bytes>
[INFO] [stdout]    --> src/merge_operator.rs:216:41
[INFO] [stdout]     |
[INFO] [stdout] 216 |                       merged_value = Some(self.merge_operator.merge(
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 217 | |                         &key,
[INFO] [stdout] 218 | |                         merged_value,
[INFO] [stdout] 219 | |                         value.clone(),
[INFO] [stdout] 220 | |                     )?);
[INFO] [stdout]     | |______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bytes::Bytes, MergeOperatorError>
[INFO] [stdout]    --> src/merge_operator.rs:216:41
[INFO] [stdout]     |
[INFO] [stdout] 216 |                       merged_value = Some(self.merge_operator.merge(
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 217 | |                         &key,
[INFO] [stdout] 218 | |                         merged_value,
[INFO] [stdout] 219 | |                         value.clone(),
[INFO] [stdout] 220 | |                     )?);
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/sst.rs:309:33
[INFO] [stdout]     |
[INFO] [stdout] 309 |     pub(crate) fn table_builder(&self) -> EncodedSsTableBuilder {
[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]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 309 |     pub(crate) fn table_builder(&self) -> EncodedSsTableBuilder<'_> {
[INFO] [stdout]     |                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/tablestore.rs:162:32
[INFO] [stdout]     |
[INFO] [stdout] 162 |     pub(crate) fn table_writer(&self, id: SsTableId) -> EncodedSsTableWriter {
[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] 162 |     pub(crate) fn table_writer(&self, id: SsTableId) -> EncodedSsTableWriter<'_> {
[INFO] [stdout]     |                                                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/tablestore.rs:175:33
[INFO] [stdout]     |
[INFO] [stdout] 175 |     pub(crate) fn table_builder(&self) -> EncodedSsTableBuilder {
[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] 175 |     pub(crate) fn table_builder(&self) -> EncodedSsTableBuilder<'_> {
[INFO] [stdout]     |                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `slatedb` (lib) due to 2 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<bytes::Bytes, merge_operator::MergeOperatorError>
[INFO] [stdout]     --> src/batch.rs:1180:71
[INFO] [stdout]      |
[INFO] [stdout] 1180 |           ) -> Result<Bytes, crate::merge_operator::MergeOperatorError> {
[INFO] [stdout]      |  _______________________________________________________________________^
[INFO] [stdout] 1181 | |             match existing_value {
[INFO] [stdout] 1182 | |                 Some(base) => {
[INFO] [stdout] 1183 | |                     let mut merged = base.to_vec();
[INFO] [stdout] ...    |
[INFO] [stdout] 1189 | |         }
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bytes::Bytes, merge_operator::MergeOperatorError>
[INFO] [stdout]     --> src/batch.rs:1181:13
[INFO] [stdout]      |
[INFO] [stdout] 1181 | /             match existing_value {
[INFO] [stdout] 1182 | |                 Some(base) => {
[INFO] [stdout] 1183 | |                     let mut merged = base.to_vec();
[INFO] [stdout] 1184 | |                     merged.extend_from_slice(&operand);
[INFO] [stdout] ...    |
[INFO] [stdout] 1187 | |                 None => Ok(operand),
[INFO] [stdout] 1188 | |             }
[INFO] [stdout]      | |_____________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bytes::Bytes, merge_operator::MergeOperatorError>
[INFO] [stdout]     --> src/batch.rs:1182:31
[INFO] [stdout]      |
[INFO] [stdout] 1182 |                   Some(base) => {
[INFO] [stdout]      |  _______________________________^
[INFO] [stdout] 1183 | |                     let mut merged = base.to_vec();
[INFO] [stdout] 1184 | |                     merged.extend_from_slice(&operand);
[INFO] [stdout] 1185 | |                     Ok(Bytes::from(merged))
[INFO] [stdout] 1186 | |                 }
[INFO] [stdout]      | |_________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bytes::Bytes, merge_operator::MergeOperatorError>
[INFO] [stdout]     --> src/batch.rs:1185:21
[INFO] [stdout]      |
[INFO] [stdout] 1185 |                     Ok(Bytes::from(merged))
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bytes::Bytes, merge_operator::MergeOperatorError>
[INFO] [stdout]     --> src/batch.rs:1187:25
[INFO] [stdout]      |
[INFO] [stdout] 1187 |                 None => Ok(operand),
[INFO] [stdout]      |                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bytes::Bytes, merge_operator::MergeOperatorError>
[INFO] [stdout]    --> src/compactor.rs:722:48
[INFO] [stdout]     |
[INFO] [stdout] 722 |           ) -> Result<Bytes, MergeOperatorError> {
[INFO] [stdout]     |  ________________________________________________^
[INFO] [stdout] 723 | |             let mut result = existing_value.unwrap_or_default().as_ref().to_vec();
[INFO] [stdout] 724 | |             result.extend_from_slice(&value);
[INFO] [stdout] 725 | |             Ok(Bytes::from(result))
[INFO] [stdout] 726 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bytes::Bytes, merge_operator::MergeOperatorError>
[INFO] [stdout]    --> src/compactor.rs:725:13
[INFO] [stdout]     |
[INFO] [stdout] 725 |             Ok(Bytes::from(result))
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bytes::Bytes, merge_operator::MergeOperatorError>
[INFO] [stdout]     --> src/db.rs:4953:71
[INFO] [stdout]      |
[INFO] [stdout] 4953 |           ) -> Result<Bytes, crate::merge_operator::MergeOperatorError> {
[INFO] [stdout]      |  _______________________________________________________________________^
[INFO] [stdout] 4954 | |             match existing_value {
[INFO] [stdout] 4955 | |                 Some(existing) => {
[INFO] [stdout] 4956 | |                     let mut merged = existing.to_vec();
[INFO] [stdout] ...    |
[INFO] [stdout] 4962 | |         }
[INFO] [stdout]      | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bytes::Bytes, merge_operator::MergeOperatorError>
[INFO] [stdout]     --> src/db.rs:4954:13
[INFO] [stdout]      |
[INFO] [stdout] 4954 | /             match existing_value {
[INFO] [stdout] 4955 | |                 Some(existing) => {
[INFO] [stdout] 4956 | |                     let mut merged = existing.to_vec();
[INFO] [stdout] 4957 | |                     merged.extend_from_slice(&value);
[INFO] [stdout] ...    |
[INFO] [stdout] 4960 | |                 None => Ok(value),
[INFO] [stdout] 4961 | |             }
[INFO] [stdout]      | |_____________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bytes::Bytes, merge_operator::MergeOperatorError>
[INFO] [stdout]     --> src/db.rs:4955:35
[INFO] [stdout]      |
[INFO] [stdout] 4955 |                   Some(existing) => {
[INFO] [stdout]      |  ___________________________________^
[INFO] [stdout] 4956 | |                     let mut merged = existing.to_vec();
[INFO] [stdout] 4957 | |                     merged.extend_from_slice(&value);
[INFO] [stdout] 4958 | |                     Ok(Bytes::from(merged))
[INFO] [stdout] 4959 | |                 }
[INFO] [stdout]      | |_________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bytes::Bytes, merge_operator::MergeOperatorError>
[INFO] [stdout]     --> src/db.rs:4958:21
[INFO] [stdout]      |
[INFO] [stdout] 4958 |                     Ok(Bytes::from(merged))
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bytes::Bytes, merge_operator::MergeOperatorError>
[INFO] [stdout]     --> src/db.rs:4960:25
[INFO] [stdout]      |
[INFO] [stdout] 4960 |                 None => Ok(value),
[INFO] [stdout]      |                         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, merge_operator::MergeOperatorError>, bytes::Bytes>
[INFO] [stdout]    --> src/merge_operator.rs:216:41
[INFO] [stdout]     |
[INFO] [stdout] 216 |                       merged_value = Some(self.merge_operator.merge(
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 217 | |                         &key,
[INFO] [stdout] 218 | |                         merged_value,
[INFO] [stdout] 219 | |                         value.clone(),
[INFO] [stdout] 220 | |                     )?);
[INFO] [stdout]     | |______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bytes::Bytes, merge_operator::MergeOperatorError>
[INFO] [stdout]    --> src/merge_operator.rs:216:41
[INFO] [stdout]     |
[INFO] [stdout] 216 |                       merged_value = Some(self.merge_operator.merge(
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 217 | |                         &key,
[INFO] [stdout] 218 | |                         merged_value,
[INFO] [stdout] 219 | |                         value.clone(),
[INFO] [stdout] 220 | |                     )?);
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bytes::Bytes, merge_operator::MergeOperatorError>
[INFO] [stdout]    --> src/merge_operator.rs:295:48
[INFO] [stdout]     |
[INFO] [stdout] 295 |           ) -> Result<Bytes, MergeOperatorError> {
[INFO] [stdout]     |  ________________________________________________^
[INFO] [stdout] 296 | |             match existing_value {
[INFO] [stdout] 297 | |                 Some(existing) => {
[INFO] [stdout] 298 | |                     let mut merged = existing.to_vec();
[INFO] [stdout] ...   |
[INFO] [stdout] 304 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bytes::Bytes, merge_operator::MergeOperatorError>
[INFO] [stdout]    --> src/merge_operator.rs:296:13
[INFO] [stdout]     |
[INFO] [stdout] 296 | /             match existing_value {
[INFO] [stdout] 297 | |                 Some(existing) => {
[INFO] [stdout] 298 | |                     let mut merged = existing.to_vec();
[INFO] [stdout] 299 | |                     merged.extend_from_slice(&value);
[INFO] [stdout] ...   |
[INFO] [stdout] 302 | |                 None => Ok(value),
[INFO] [stdout] 303 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bytes::Bytes, merge_operator::MergeOperatorError>
[INFO] [stdout]    --> src/merge_operator.rs:297:35
[INFO] [stdout]     |
[INFO] [stdout] 297 |                   Some(existing) => {
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 298 | |                     let mut merged = existing.to_vec();
[INFO] [stdout] 299 | |                     merged.extend_from_slice(&value);
[INFO] [stdout] 300 | |                     Ok(Bytes::from(merged))
[INFO] [stdout] 301 | |                 }
[INFO] [stdout]     | |_________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bytes::Bytes, merge_operator::MergeOperatorError>
[INFO] [stdout]    --> src/merge_operator.rs:300:21
[INFO] [stdout]     |
[INFO] [stdout] 300 |                     Ok(Bytes::from(merged))
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bytes::Bytes, merge_operator::MergeOperatorError>
[INFO] [stdout]    --> src/merge_operator.rs:302:25
[INFO] [stdout]     |
[INFO] [stdout] 302 |                 None => Ok(value),
[INFO] [stdout]     |                         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bytes::Bytes, merge_operator::MergeOperatorError>
[INFO] [stdout]    --> src/merge_operator.rs:481:48
[INFO] [stdout]     |
[INFO] [stdout] 481 |           ) -> Result<Bytes, MergeOperatorError> {
[INFO] [stdout]     |  ________________________________________________^
[INFO] [stdout] 482 | |             if key.starts_with(b"sum:") {
[INFO] [stdout] 483 | |                 // Sum merge for sum keys
[INFO] [stdout] 484 | |                 match existing_value {
[INFO] [stdout] ...   |
[INFO] [stdout] 519 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bytes::Bytes, merge_operator::MergeOperatorError>
[INFO] [stdout]    --> src/merge_operator.rs:482:13
[INFO] [stdout]     |
[INFO] [stdout] 482 | /             if key.starts_with(b"sum:") {
[INFO] [stdout] 483 | |                 // Sum merge for sum keys
[INFO] [stdout] 484 | |                 match existing_value {
[INFO] [stdout] 485 | |                     Some(existing) => {
[INFO] [stdout] ...   |
[INFO] [stdout] 518 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bytes::Bytes, merge_operator::MergeOperatorError>
[INFO] [stdout]    --> src/merge_operator.rs:482:41
[INFO] [stdout]     |
[INFO] [stdout] 482 |               if key.starts_with(b"sum:") {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 483 | |                 // Sum merge for sum keys
[INFO] [stdout] 484 | |                 match existing_value {
[INFO] [stdout] 485 | |                     Some(existing) => {
[INFO] [stdout] ...   |
[INFO] [stdout] 495 | |             } else if key.starts_with(b"max:") {
[INFO] [stdout]     | |_____________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bytes::Bytes, merge_operator::MergeOperatorError>
[INFO] [stdout]    --> src/merge_operator.rs:484:17
[INFO] [stdout]     |
[INFO] [stdout] 484 | /                 match existing_value {
[INFO] [stdout] 485 | |                     Some(existing) => {
[INFO] [stdout] 486 | |                         let existing_num =
[INFO] [stdout] 487 | |                             u64::from_le_bytes(existing.as_ref().try_into().unwrap());
[INFO] [stdout] ...   |
[INFO] [stdout] 493 | |                     None => Ok(value),
[INFO] [stdout] 494 | |                 }
[INFO] [stdout]     | |_________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bytes::Bytes, merge_operator::MergeOperatorError>
[INFO] [stdout]    --> src/merge_operator.rs:485:39
[INFO] [stdout]     |
[INFO] [stdout] 485 |                       Some(existing) => {
[INFO] [stdout]     |  _______________________________________^
[INFO] [stdout] 486 | |                         let existing_num =
[INFO] [stdout] 487 | |                             u64::from_le_bytes(existing.as_ref().try_into().unwrap());
[INFO] [stdout] 488 | |                         let new_num = u64::from_le_bytes(value.as_ref().try_into().unwrap());
[INFO] [stdout] ...   |
[INFO] [stdout] 491 | |                         ))
[INFO] [stdout] 492 | |                     }
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bytes::Bytes, merge_operator::MergeOperatorError>
[INFO] [stdout]    --> src/merge_operator.rs:489:25
[INFO] [stdout]     |
[INFO] [stdout] 489 | /                         Ok(Bytes::copy_from_slice(
[INFO] [stdout] 490 | |                             &(existing_num + new_num).to_le_bytes(),
[INFO] [stdout] 491 | |                         ))
[INFO] [stdout]     | |__________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bytes::Bytes, merge_operator::MergeOperatorError>
[INFO] [stdout]    --> src/merge_operator.rs:493:29
[INFO] [stdout]     |
[INFO] [stdout] 493 |                     None => Ok(value),
[INFO] [stdout]     |                             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bytes::Bytes, merge_operator::MergeOperatorError>
[INFO] [stdout]    --> src/merge_operator.rs:495:20
[INFO] [stdout]     |
[INFO] [stdout] 495 |               } else if key.starts_with(b"max:") {
[INFO] [stdout]     |  ____________________^
[INFO] [stdout] 496 | |                 // Max merge for max keys
[INFO] [stdout] 497 | |                 match existing_value {
[INFO] [stdout] 498 | |                     Some(existing) => {
[INFO] [stdout] ...   |
[INFO] [stdout] 518 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bytes::Bytes, merge_operator::MergeOperatorError>
[INFO] [stdout]    --> src/merge_operator.rs:495:48
[INFO] [stdout]     |
[INFO] [stdout] 495 |               } else if key.starts_with(b"max:") {
[INFO] [stdout]     |  ________________________________________________^
[INFO] [stdout] 496 | |                 // Max merge for max keys
[INFO] [stdout] 497 | |                 match existing_value {
[INFO] [stdout] 498 | |                     Some(existing) => {
[INFO] [stdout] ...   |
[INFO] [stdout] 508 | |             } else {
[INFO] [stdout]     | |_____________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bytes::Bytes, merge_operator::MergeOperatorError>
[INFO] [stdout]    --> src/merge_operator.rs:497:17
[INFO] [stdout]     |
[INFO] [stdout] 497 | /                 match existing_value {
[INFO] [stdout] 498 | |                     Some(existing) => {
[INFO] [stdout] 499 | |                         let existing_num =
[INFO] [stdout] 500 | |                             u64::from_le_bytes(existing.as_ref().try_into().unwrap());
[INFO] [stdout] ...   |
[INFO] [stdout] 506 | |                     None => Ok(value),
[INFO] [stdout] 507 | |                 }
[INFO] [stdout]     | |_________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bytes::Bytes, merge_operator::MergeOperatorError>
[INFO] [stdout]    --> src/merge_operator.rs:498:39
[INFO] [stdout]     |
[INFO] [stdout] 498 |                       Some(existing) => {
[INFO] [stdout]     |  _______________________________________^
[INFO] [stdout] 499 | |                         let existing_num =
[INFO] [stdout] 500 | |                             u64::from_le_bytes(existing.as_ref().try_into().unwrap());
[INFO] [stdout] 501 | |                         let new_num = u64::from_le_bytes(value.as_ref().try_into().unwrap());
[INFO] [stdout] ...   |
[INFO] [stdout] 504 | |                         ))
[INFO] [stdout] 505 | |                     }
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bytes::Bytes, merge_operator::MergeOperatorError>
[INFO] [stdout]    --> src/merge_operator.rs:502:25
[INFO] [stdout]     |
[INFO] [stdout] 502 | /                         Ok(Bytes::copy_from_slice(
[INFO] [stdout] 503 | |                             &existing_num.max(new_num).to_le_bytes(),
[INFO] [stdout] 504 | |                         ))
[INFO] [stdout]     | |__________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bytes::Bytes, merge_operator::MergeOperatorError>
[INFO] [stdout]    --> src/merge_operator.rs:506:29
[INFO] [stdout]     |
[INFO] [stdout] 506 |                     None => Ok(value),
[INFO] [stdout]     |                             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bytes::Bytes, merge_operator::MergeOperatorError>
[INFO] [stdout]    --> src/merge_operator.rs:508:20
[INFO] [stdout]     |
[INFO] [stdout] 508 |               } else {
[INFO] [stdout]     |  ____________________^
[INFO] [stdout] 509 | |                 // Default to concat for unknown prefixes
[INFO] [stdout] 510 | |                 match existing_value {
[INFO] [stdout] 511 | |                     Some(existing) => {
[INFO] [stdout] ...   |
[INFO] [stdout] 518 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bytes::Bytes, merge_operator::MergeOperatorError>
[INFO] [stdout]    --> src/merge_operator.rs:510:17
[INFO] [stdout]     |
[INFO] [stdout] 510 | /                 match existing_value {
[INFO] [stdout] 511 | |                     Some(existing) => {
[INFO] [stdout] 512 | |                         let mut merged = existing.to_vec();
[INFO] [stdout] 513 | |                         merged.extend_from_slice(&value);
[INFO] [stdout] ...   |
[INFO] [stdout] 516 | |                     None => Ok(value),
[INFO] [stdout] 517 | |                 }
[INFO] [stdout]     | |_________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bytes::Bytes, merge_operator::MergeOperatorError>
[INFO] [stdout]    --> src/merge_operator.rs:511:39
[INFO] [stdout]     |
[INFO] [stdout] 511 |                       Some(existing) => {
[INFO] [stdout]     |  _______________________________________^
[INFO] [stdout] 512 | |                         let mut merged = existing.to_vec();
[INFO] [stdout] 513 | |                         merged.extend_from_slice(&value);
[INFO] [stdout] 514 | |                         Ok(Bytes::from(merged))
[INFO] [stdout] 515 | |                     }
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bytes::Bytes, merge_operator::MergeOperatorError>
[INFO] [stdout]    --> src/merge_operator.rs:514:25
[INFO] [stdout]     |
[INFO] [stdout] 514 |                         Ok(Bytes::from(merged))
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bytes::Bytes, merge_operator::MergeOperatorError>
[INFO] [stdout]    --> src/merge_operator.rs:516:29
[INFO] [stdout]     |
[INFO] [stdout] 516 |                     None => Ok(value),
[INFO] [stdout]     |                             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bytes::Bytes, merge_operator::MergeOperatorError>
[INFO] [stdout]    --> src/reader.rs:423:48
[INFO] [stdout]     |
[INFO] [stdout] 423 |           ) -> Result<Bytes, MergeOperatorError> {
[INFO] [stdout]     |  ________________________________________________^
[INFO] [stdout] 424 | |             match existing_value {
[INFO] [stdout] 425 | |                 Some(base) => {
[INFO] [stdout] 426 | |                     let mut merged = base.to_vec();
[INFO] [stdout] ...   |
[INFO] [stdout] 432 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bytes::Bytes, merge_operator::MergeOperatorError>
[INFO] [stdout]    --> src/reader.rs:424:13
[INFO] [stdout]     |
[INFO] [stdout] 424 | /             match existing_value {
[INFO] [stdout] 425 | |                 Some(base) => {
[INFO] [stdout] 426 | |                     let mut merged = base.to_vec();
[INFO] [stdout] 427 | |                     merged.extend_from_slice(&operand);
[INFO] [stdout] ...   |
[INFO] [stdout] 430 | |                 None => Ok(operand),
[INFO] [stdout] 431 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bytes::Bytes, merge_operator::MergeOperatorError>
[INFO] [stdout]    --> src/reader.rs:425:31
[INFO] [stdout]     |
[INFO] [stdout] 425 |                   Some(base) => {
[INFO] [stdout]     |  _______________________________^
[INFO] [stdout] 426 | |                     let mut merged = base.to_vec();
[INFO] [stdout] 427 | |                     merged.extend_from_slice(&operand);
[INFO] [stdout] 428 | |                     Ok(Bytes::from(merged))
[INFO] [stdout] 429 | |                 }
[INFO] [stdout]     | |_________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bytes::Bytes, merge_operator::MergeOperatorError>
[INFO] [stdout]    --> src/reader.rs:428:21
[INFO] [stdout]     |
[INFO] [stdout] 428 |                     Ok(Bytes::from(merged))
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bytes::Bytes, merge_operator::MergeOperatorError>
[INFO] [stdout]    --> src/reader.rs:430:25
[INFO] [stdout]     |
[INFO] [stdout] 430 |                 None => Ok(operand),
[INFO] [stdout]     |                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/sst.rs:309:33
[INFO] [stdout]     |
[INFO] [stdout] 309 |     pub(crate) fn table_builder(&self) -> EncodedSsTableBuilder {
[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]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 309 |     pub(crate) fn table_builder(&self) -> EncodedSsTableBuilder<'_> {
[INFO] [stdout]     |                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/tablestore.rs:162:32
[INFO] [stdout]     |
[INFO] [stdout] 162 |     pub(crate) fn table_writer(&self, id: SsTableId) -> EncodedSsTableWriter {
[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] 162 |     pub(crate) fn table_writer(&self, id: SsTableId) -> EncodedSsTableWriter<'_> {
[INFO] [stdout]     |                                                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/tablestore.rs:175:33
[INFO] [stdout]     |
[INFO] [stdout] 175 |     pub(crate) fn table_builder(&self) -> EncodedSsTableBuilder {
[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] 175 |     pub(crate) fn table_builder(&self) -> EncodedSsTableBuilder<'_> {
[INFO] [stdout]     |                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `slatedb` (lib test) due to 42 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "2469e767b0cf2a7342652fc0f1998fbf0f6802d89fd4790c877993d8bf7e0ce6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2469e767b0cf2a7342652fc0f1998fbf0f6802d89fd4790c877993d8bf7e0ce6", kill_on_drop: false }`
[INFO] [stdout] 2469e767b0cf2a7342652fc0f1998fbf0f6802d89fd4790c877993d8bf7e0ce6
