[INFO] updating cached repository https://github.com/tommyjk/kv-server [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] [stderr] From https://github.com/tommyjk/kv-server [INFO] [stderr] bde59ae..35a0123 master -> master [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 35a0123138499ff25331eaae2daf41c4adb03a1c [INFO] checking tommyjk/kv-server against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftommyjk%2Fkv-server" "/workspace/builds/worker-4/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tommyjk/kv-server on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c [INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/tommyjk/kv-server [INFO] finished tweaking git repo https://github.com/tommyjk/kv-server [INFO] tweaked toml for git repo https://github.com/tommyjk/kv-server written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/tommyjk/kv-server already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "/opt/rustwide/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 040880bf8bc2840bd9861e4ed35a376a85cac0978c9c2909929bb8a9a097e824 [INFO] running `"docker" "start" "-a" "040880bf8bc2840bd9861e4ed35a376a85cac0978c9c2909929bb8a9a097e824"` [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling syn v0.15.39 [INFO] [stderr] Compiling serde v1.0.99 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling proc-macro2 v1.0.2 [INFO] [stderr] Compiling arrayvec v0.4.11 [INFO] [stderr] Compiling ryu v1.0.0 [INFO] [stderr] Checking futures-sink-preview v0.3.0-alpha.19 [INFO] [stderr] Checking futures-core-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling rayon-core v1.6.0 [INFO] [stderr] Checking either v1.5.2 [INFO] [stderr] Compiling slog v2.5.2 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Checking historian v4.0.3 [INFO] [stderr] Compiling regex v1.1.9 [INFO] [stderr] Checking take_mut v0.2.2 [INFO] [stderr] Checking once_cell v1.2.0 [INFO] [stderr] Checking futures-io v0.3.1 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thread_local v0.3.6 [INFO] [stderr] Checking crossbeam-utils v0.6.6 (http://github.com/crossbeam-rs/crossbeam.git?rev=31fc7e6#31fc7e62) [INFO] [stderr] Checking c2-chacha v0.2.2 [INFO] [stderr] Checking crc32fast v1.2.0 [INFO] [stderr] Checking walkdir v2.2.9 [INFO] [stderr] Checking predicates-tree v1.0.0 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Checking regex-automata v0.1.8 [INFO] [stderr] Checking crossbeam-utils v0.7.0 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Checking async-task v1.0.0 [INFO] [stderr] Checking kv-log-macro v1.0.4 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 (http://github.com/crossbeam-rs/crossbeam.git?rev=31fc7e6#31fc7e62) [INFO] [stderr] Checking crossbeam-epoch v0.8.0 [INFO] [stderr] Checking crossbeam-channel v0.4.0 [INFO] [stderr] Checking slog-async v2.3.0 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking parking_lot_core v0.6.2 [INFO] [stderr] Checking num_cpus v1.11.1 [INFO] [stderr] Checking getrandom v0.1.6 [INFO] [stderr] Checking atty v0.2.12 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking dirs v1.0.5 [INFO] [stderr] Checking fs2 v0.4.3 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking nix v0.14.1 [INFO] [stderr] Checking crossbeam-deque v0.7.2 [INFO] [stderr] Checking crossbeam-skiplist v0.0.0 (http://github.com/crossbeam-rs/crossbeam.git?rev=31fc7e6#31fc7e62) [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking rand_core v0.5.0 [INFO] [stderr] Checking term v0.5.2 [INFO] [stderr] Checking parking_lot v0.9.0 [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Checking criterion-plot v0.4.0 [INFO] [stderr] Checking aho-corasick v0.7.4 [INFO] [stderr] Checking csv-core v0.1.6 [INFO] [stderr] Checking rand_os v0.2.2 [INFO] [stderr] Checking rand_xoshiro v0.3.1 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v0.27.0 [INFO] [stderr] Checking kvs v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `Seek` [INFO] [stderr] --> src/kvs/kvs.rs:3:32 [INFO] [stderr] | [INFO] [stderr] 3 | io::{BufReader, BufWriter, Seek, SeekFrom}, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `DerefMut`, `Deref` [INFO] [stderr] --> src/kvs/kvs.rs:13:11 [INFO] [stderr] | [INFO] [stderr] 13 | ops::{Deref, DerefMut}, [INFO] [stderr] | ^^^^^ ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Seek` [INFO] [stderr] --> src/kvs/kvs.rs:3:32 [INFO] [stderr] | [INFO] [stderr] 3 | io::{BufReader, BufWriter, Seek, SeekFrom}, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `DerefMut`, `Deref` [INFO] [stderr] --> src/kvs/kvs.rs:13:11 [INFO] [stderr] | [INFO] [stderr] 13 | ops::{Deref, DerefMut}, [INFO] [stderr] | ^^^^^ ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `eng` [INFO] [stderr] --> src/server.rs:49:25 [INFO] [stderr] | [INFO] [stderr] 49 | let eng = self.engine.clone(); [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_eng` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `log` [INFO] [stderr] --> src/server.rs:50:25 [INFO] [stderr] | [INFO] [stderr] 50 | let log = self.log.clone(); [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_log` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `g` [INFO] [stderr] --> src/server.rs:51:25 [INFO] [stderr] | [INFO] [stderr] 51 | let g = wg.clone(); [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_g` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/kvs/kvs.rs:585:17 [INFO] [stderr] | [INFO] [stderr] 585 | let mut file = old_set.get_mut(&fileid).expect("Database in an inconsistent state."); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `handle_connection` [INFO] [stderr] --> src/server.rs:71:4 [INFO] [stderr] | [INFO] [stderr] 71 | fn handle_connection( [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `process_message` [INFO] [stderr] --> src/server.rs:93:4 [INFO] [stderr] | [INFO] [stderr] 93 | fn process_message(log: &slog::Logger, msg: KvsRequest, engine: impl KvsEngine) -> KvsResponse { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `threads` [INFO] [stderr] --> src/thread_pool/shared_queue.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | threads: Vec>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused implementer of `std::future::Future` that must be used [INFO] [stderr] --> src/kvs/kvs.rs:246:56 [INFO] [stderr] | [INFO] [stderr] 246 | let handle = Arc::new(task::spawn(async move { Self::run_writer(writer, receiver); })); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: futures do nothing unless you `.await` or poll them [INFO] [stderr] [INFO] [stderr] warning: unused implementer of `std::future::Future` that must be used [INFO] [stderr] --> src/kvs/kvs.rs:340:56 [INFO] [stderr] | [INFO] [stderr] 340 | let handle = Arc::new(task::spawn(async move { Self::run_writer(writer, receiver); })); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: futures do nothing unless you `.await` or poll them [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/kvs/kvs.rs:542:9 [INFO] [stderr] | [INFO] [stderr] 542 | bufwriter.write_all(&self.min_fileid.load(Ordering::Relaxed).to_le_bytes()).await; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused variable: `eng` [INFO] [stderr] --> src/server.rs:49:25 [INFO] [stderr] | [INFO] [stderr] 49 | let eng = self.engine.clone(); [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_eng` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `log` [INFO] [stderr] --> src/server.rs:50:25 [INFO] [stderr] | [INFO] [stderr] 50 | let log = self.log.clone(); [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_log` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `g` [INFO] [stderr] --> src/server.rs:51:25 [INFO] [stderr] | [INFO] [stderr] 51 | let g = wg.clone(); [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_g` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/kvs/kvs.rs:585:17 [INFO] [stderr] | [INFO] [stderr] 585 | let mut file = old_set.get_mut(&fileid).expect("Database in an inconsistent state."); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `handle_connection` [INFO] [stderr] --> src/server.rs:71:4 [INFO] [stderr] | [INFO] [stderr] 71 | fn handle_connection( [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `process_message` [INFO] [stderr] --> src/server.rs:93:4 [INFO] [stderr] | [INFO] [stderr] 93 | fn process_message(log: &slog::Logger, msg: KvsRequest, engine: impl KvsEngine) -> KvsResponse { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `threads` [INFO] [stderr] --> src/thread_pool/shared_queue.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | threads: Vec>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused implementer of `std::future::Future` that must be used [INFO] [stderr] --> src/kvs/kvs.rs:246:56 [INFO] [stderr] | [INFO] [stderr] 246 | let handle = Arc::new(task::spawn(async move { Self::run_writer(writer, receiver); })); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: futures do nothing unless you `.await` or poll them [INFO] [stderr] [INFO] [stderr] warning: unused implementer of `std::future::Future` that must be used [INFO] [stderr] --> src/kvs/kvs.rs:340:56 [INFO] [stderr] | [INFO] [stderr] 340 | let handle = Arc::new(task::spawn(async move { Self::run_writer(writer, receiver); })); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: futures do nothing unless you `.await` or poll them [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/kvs/kvs.rs:542:9 [INFO] [stderr] | [INFO] [stderr] 542 | bufwriter.write_all(&self.min_fileid.load(Ordering::Relaxed).to_le_bytes()).await; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused variable: `pool` [INFO] [stderr] --> src/bin/kvs-server.rs:157:9 [INFO] [stderr] | [INFO] [stderr] 157 | pool, [INFO] [stderr] | ^^^^ help: try ignoring the field: `pool: _` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `threads` [INFO] [stderr] --> src/bin/kvs-server.rs:158:9 [INFO] [stderr] | [INFO] [stderr] 158 | threads, [INFO] [stderr] | ^^^^^^^ help: try ignoring the field: `threads: _` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bin/kvs-server.rs:165:5 [INFO] [stderr] | [INFO] [stderr] 165 | / task::block_on(async { [INFO] [stderr] 166 | | check_your_engines(&db_path, &engine).await.map_err(|e| { [INFO] [stderr] 167 | | error!(log, "Check engine failed: {}", e); [INFO] [stderr] 168 | | panic!() [INFO] [stderr] 169 | | }) [INFO] [stderr] 170 | | }); [INFO] [stderr] | |_______^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused import: `sync::Arc` [INFO] [stderr] --> benches/kvserver.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | sync::Arc, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] error[E0107]: wrong number of type arguments: expected 1, found 2 [INFO] [stderr] --> benches/kvserver.rs:31:24 [INFO] [stderr] | [INFO] [stderr] 31 | ) -> KvServer { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ unexpected type argument [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0107`. [INFO] [stderr] error: could not compile `kvs`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error[E0599]: no method named `unwrap` found for type `impl std::future::Future` in the current scope [INFO] [stderr] --> benches/benches.rs:19:44 [INFO] [stderr] | [INFO] [stderr] 19 | let kvsengine = KvStore::open(kvs_dir).unwrap(); [INFO] [stderr] | ^^^^^^ method not found in `impl std::future::Future` [INFO] [stderr] [INFO] [stderr] error[E0277]: the `?` operator can only be applied to values that implement `std::ops::Try` [INFO] [stderr] --> tests/kv_store.rs:11:17 [INFO] [stderr] | [INFO] [stderr] 11 | let store = KvStore::open(temp_dir.path())?; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the `?` operator cannot be applied to type `impl std::future::Future` [INFO] [stderr] | [INFO] [stderr] = help: the trait `std::ops::Try` is not implemented for `impl std::future::Future` [INFO] [stderr] = note: required by `std::ops::Try::into_result` [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0599`. [INFO] [stderr] error: could not compile `kvs`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error[E0277]: the `?` operator can only be applied to values that implement `std::ops::Try` [INFO] [stderr] --> tests/kv_store.rs:21:17 [INFO] [stderr] | [INFO] [stderr] 21 | let store = KvStore::open(temp_dir.path())?; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the `?` operator cannot be applied to type `impl std::future::Future` [INFO] [stderr] | [INFO] [stderr] = help: the trait `std::ops::Try` is not implemented for `impl std::future::Future` [INFO] [stderr] = note: required by `std::ops::Try::into_result` [INFO] [stderr] [INFO] [stderr] error[E0277]: the `?` operator can only be applied to values that implement `std::ops::Try` [INFO] [stderr] --> tests/kv_store.rs:32:17 [INFO] [stderr] | [INFO] [stderr] 32 | let store = KvStore::open(temp_dir.path())?; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the `?` operator cannot be applied to type `impl std::future::Future` [INFO] [stderr] | [INFO] [stderr] = help: the trait `std::ops::Try` is not implemented for `impl std::future::Future` [INFO] [stderr] = note: required by `std::ops::Try::into_result` [INFO] [stderr] [INFO] [stderr] error[E0277]: the `?` operator can only be applied to values that implement `std::ops::Try` [INFO] [stderr] --> tests/kv_store.rs:41:17 [INFO] [stderr] | [INFO] [stderr] 41 | let store = KvStore::open(temp_dir.path())?; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the `?` operator cannot be applied to type `impl std::future::Future` [INFO] [stderr] | [INFO] [stderr] = help: the trait `std::ops::Try` is not implemented for `impl std::future::Future` [INFO] [stderr] = note: required by `std::ops::Try::into_result` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `pool` [INFO] [stderr] --> src/bin/kvs-server.rs:157:9 [INFO] [stderr] | [INFO] [stderr] 157 | pool, [INFO] [stderr] | ^^^^ help: try ignoring the field: `pool: _` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `threads` [INFO] [stderr] --> src/bin/kvs-server.rs:158:9 [INFO] [stderr] | [INFO] [stderr] 158 | threads, [INFO] [stderr] | ^^^^^^^ help: try ignoring the field: `threads: _` [INFO] [stderr] [INFO] [stderr] error[E0277]: the `?` operator can only be applied to values that implement `std::ops::Try` [INFO] [stderr] --> tests/kv_store.rs:53:17 [INFO] [stderr] | [INFO] [stderr] 53 | let store = KvStore::open(temp_dir.path())?; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the `?` operator cannot be applied to type `impl std::future::Future` [INFO] [stderr] | [INFO] [stderr] = help: the trait `std::ops::Try` is not implemented for `impl std::future::Future` [INFO] [stderr] = note: required by `std::ops::Try::into_result` [INFO] [stderr] [INFO] [stderr] error[E0277]: the `?` operator can only be applied to values that implement `std::ops::Try` [INFO] [stderr] --> tests/kv_store.rs:60:17 [INFO] [stderr] | [INFO] [stderr] 60 | let store = KvStore::open(temp_dir.path())?; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the `?` operator cannot be applied to type `impl std::future::Future` [INFO] [stderr] | [INFO] [stderr] = help: the trait `std::ops::Try` is not implemented for `impl std::future::Future` [INFO] [stderr] = note: required by `std::ops::Try::into_result` [INFO] [stderr] [INFO] [stderr] error[E0277]: the `?` operator can only be applied to values that implement `std::ops::Try` [INFO] [stderr] --> tests/kv_store.rs:69:17 [INFO] [stderr] | [INFO] [stderr] 69 | let store = KvStore::open(temp_dir.path())?; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the `?` operator cannot be applied to type `impl std::future::Future` [INFO] [stderr] | [INFO] [stderr] = help: the trait `std::ops::Try` is not implemented for `impl std::future::Future` [INFO] [stderr] = note: required by `std::ops::Try::into_result` [INFO] [stderr] [INFO] [stderr] error[E0277]: the `?` operator can only be applied to values that implement `std::ops::Try` [INFO] [stderr] --> tests/kv_store.rs:77:17 [INFO] [stderr] | [INFO] [stderr] 77 | let store = KvStore::open(temp_dir.path())?; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the `?` operator cannot be applied to type `impl std::future::Future` [INFO] [stderr] | [INFO] [stderr] = help: the trait `std::ops::Try` is not implemented for `impl std::future::Future` [INFO] [stderr] = note: required by `std::ops::Try::into_result` [INFO] [stderr] [INFO] [stderr] error[E0277]: the `?` operator can only be applied to values that implement `std::ops::Try` [INFO] [stderr] --> tests/kv_store.rs:89:17 [INFO] [stderr] | [INFO] [stderr] 89 | let store = KvStore::open(temp_dir.path())?; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the `?` operator cannot be applied to type `impl std::future::Future` [INFO] [stderr] | [INFO] [stderr] = help: the trait `std::ops::Try` is not implemented for `impl std::future::Future` [INFO] [stderr] = note: required by `std::ops::Try::into_result` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bin/kvs-server.rs:165:5 [INFO] [stderr] | [INFO] [stderr] 165 | / task::block_on(async { [INFO] [stderr] 166 | | check_your_engines(&db_path, &engine).await.map_err(|e| { [INFO] [stderr] 167 | | error!(log, "Check engine failed: {}", e); [INFO] [stderr] 168 | | panic!() [INFO] [stderr] 169 | | }) [INFO] [stderr] 170 | | }); [INFO] [stderr] | |_______^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] error[E0277]: the `?` operator can only be applied to values that implement `std::ops::Try` [INFO] [stderr] --> tests/kv_store.rs:119:21 [INFO] [stderr] | [INFO] [stderr] 119 | let store = KvStore::open(temp_dir.path())?; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the `?` operator cannot be applied to type `impl std::future::Future` [INFO] [stderr] | [INFO] [stderr] = help: the trait `std::ops::Try` is not implemented for `impl std::future::Future` [INFO] [stderr] = note: required by `std::ops::Try::into_result` [INFO] [stderr] [INFO] [stderr] error[E0277]: the `?` operator can only be applied to values that implement `std::ops::Try` [INFO] [stderr] --> tests/kv_store.rs:133:17 [INFO] [stderr] | [INFO] [stderr] 133 | let store = KvStore::open(temp_dir.path())?; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the `?` operator cannot be applied to type `impl std::future::Future` [INFO] [stderr] | [INFO] [stderr] = help: the trait `std::ops::Try` is not implemented for `impl std::future::Future` [INFO] [stderr] = note: required by `std::ops::Try::into_result` [INFO] [stderr] [INFO] [stderr] error[E0277]: the `?` operator can only be applied to values that implement `std::ops::Try` [INFO] [stderr] --> tests/kv_store.rs:153:17 [INFO] [stderr] | [INFO] [stderr] 153 | let store = KvStore::open(temp_dir.path())?; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the `?` operator cannot be applied to type `impl std::future::Future` [INFO] [stderr] | [INFO] [stderr] = help: the trait `std::ops::Try` is not implemented for `impl std::future::Future` [INFO] [stderr] = note: required by `std::ops::Try::into_result` [INFO] [stderr] [INFO] [stderr] error[E0277]: the `?` operator can only be applied to values that implement `std::ops::Try` [INFO] [stderr] --> tests/kv_store.rs:164:17 [INFO] [stderr] | [INFO] [stderr] 164 | let store = KvStore::open(temp_dir.path())?; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the `?` operator cannot be applied to type `impl std::future::Future` [INFO] [stderr] | [INFO] [stderr] = help: the trait `std::ops::Try` is not implemented for `impl std::future::Future` [INFO] [stderr] = note: required by `std::ops::Try::into_result` [INFO] [stderr] [INFO] [stderr] error[E0277]: the `?` operator can only be applied to values that implement `std::ops::Try` [INFO] [stderr] --> tests/kv_store.rs:191:17 [INFO] [stderr] | [INFO] [stderr] 191 | let store = KvStore::open(temp_dir.path())?; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the `?` operator cannot be applied to type `impl std::future::Future` [INFO] [stderr] | [INFO] [stderr] = help: the trait `std::ops::Try` is not implemented for `impl std::future::Future` [INFO] [stderr] = note: required by `std::ops::Try::into_result` [INFO] [stderr] [INFO] [stderr] warning: unused import: `KvsEngine` [INFO] [stderr] --> tests/kv_store.rs:1:20 [INFO] [stderr] | [INFO] [stderr] 1 | use kvs::{KvStore, KvsEngine, Result}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] error: aborting due to 14 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0277`. [INFO] [stderr] error: could not compile `kvs`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "040880bf8bc2840bd9861e4ed35a376a85cac0978c9c2909929bb8a9a097e824"` [INFO] running `"docker" "rm" "-f" "040880bf8bc2840bd9861e4ed35a376a85cac0978c9c2909929bb8a9a097e824"` [INFO] [stdout] 040880bf8bc2840bd9861e4ed35a376a85cac0978c9c2909929bb8a9a097e824