[INFO] cloning repository https://github.com/JNhua/rust_kv
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JNhua/rust_kv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJNhua%2Frust_kv", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJNhua%2Frust_kv'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f36f0aa256c6faab9fd9f3dd4bdb0102d7876655
[INFO] checking JNhua/rust_kv against master#5a45ab9738330fb317d49e3594c2db5248b1e971 for pr-136303
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJNhua%2Frust_kv" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JNhua/rust_kv on toolchain 5a45ab9738330fb317d49e3594c2db5248b1e971
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
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[INFO] finished tweaking git repo https://github.com/JNhua/rust_kv
[INFO] tweaked toml for git repo https://github.com/JNhua/rust_kv written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/JNhua/rust_kv 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" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] warning: field `path` is never read
[INFO] [stdout]   --> src/engines/kvs.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub struct KvStore<P: ThreadPool> {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 46 |     // directory for the log and other data
[INFO] [stdout] 47 |     path: Arc<PathBuf>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `KvStore` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> src/error.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Fail, Debug)]
[INFO] [stdout]   |          ^---
[INFO] [stdout]   |          |
[INFO] [stdout]   |          `Fail` is not local
[INFO] [stdout]   |          move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_KvsError`
[INFO] [stdout] 7 | pub enum KvsError {
[INFO] [stdout]   |          -------- `KvsError` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]   = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> src/error.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Fail, Debug)]
[INFO] [stdout]   |          ^---
[INFO] [stdout]   |          |
[INFO] [stdout]   |          `Display` is not local
[INFO] [stdout]   |          move the `impl` block outside of this constant `_DERIVE_failure_core_fmt_Display_FOR_KvsError`
[INFO] [stdout] 7 | pub enum KvsError {
[INFO] [stdout]   |          -------- `KvsError` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `path` is never read
[INFO] [stdout]   --> src/engines/kvs.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub struct KvStore<P: ThreadPool> {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 46 |     // directory for the log and other data
[INFO] [stdout] 47 |     path: Arc<PathBuf>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `KvStore` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> src/error.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Fail, Debug)]
[INFO] [stdout]   |          ^---
[INFO] [stdout]   |          |
[INFO] [stdout]   |          `Fail` is not local
[INFO] [stdout]   |          move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_KvsError`
[INFO] [stdout] 7 | pub enum KvsError {
[INFO] [stdout]   |          -------- `KvsError` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]   = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> src/error.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Fail, Debug)]
[INFO] [stdout]   |          ^---
[INFO] [stdout]   |          |
[INFO] [stdout]   |          `Display` is not local
[INFO] [stdout]   |          move the `impl` block outside of this constant `_DERIVE_failure_core_fmt_Display_FOR_KvsError`
[INFO] [stdout] 7 | pub enum KvsError {
[INFO] [stdout]   |          -------- `KvsError` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 2 arguments but 1 argument was supplied
[INFO] [stdout]   --> benches/engine_bench.rs:18:22
[INFO] [stdout]    |
[INFO] [stdout] 18 |                     (KvStore::open(temp_dir.path()).unwrap(), temp_dir)
[INFO] [stdout]    |                      ^^^^^^^^^^^^^----------------- argument #2 of type `u32` is missing
[INFO] [stdout]    |
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]   --> /opt/rustwide/workdir/src/engines/kvs.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn open(path: impl Into<PathBuf>, concurrency: u32) -> Result<Self> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] help: provide the argument
[INFO] [stdout]    |
[INFO] [stdout] 18 |                     (KvStore::open(temp_dir.path(), /* u32 */).unwrap(), temp_dir)
[INFO] [stdout]    |                                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `unwrap` found for struct `Box<(dyn futures::future::Future<Error = KvsError, Item = ()> + Send + 'static)>` in the current scope
[INFO] [stdout]   --> benches/engine_bench.rs:22:77
[INFO] [stdout]    |
[INFO] [stdout] 22 |                         store.set(format!("key{}", i), "value".to_string()).unwrap();
[INFO] [stdout]    |                                                                             ^^^^^^ method not found in `Box<dyn Future<Error = KvsError, Item = ()> + Send>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 2 arguments but 1 argument was supplied
[INFO] [stdout]   --> benches/engine_bench.rs:35:21
[INFO] [stdout]    |
[INFO] [stdout] 35 |                     SledKvsEngine::new(Db::start_default(&temp_dir).unwrap()),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^--------------------------------------- argument #2 of type `u32` is missing
[INFO] [stdout]    |
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]   --> /opt/rustwide/workdir/src/engines/sled.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn new(db: Db, concurrency: u32) -> Result<Self> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] help: provide the argument
[INFO] [stdout]    |
[INFO] [stdout] 35 |                     SledKvsEngine::new(Db::start_default(&temp_dir).unwrap(), /* u32 */),
[INFO] [stdout]    |                                       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `set` found for enum `Result` in the current scope
[INFO] [stdout]   --> benches/engine_bench.rs:41:24
[INFO] [stdout]    |
[INFO] [stdout] 41 |                     db.set(format!("key{}", i), "value".to_string()).unwrap();
[INFO] [stdout]    |                        ^^^ method not found in `Result<SledKvsEngine<_>, KvsError>`
[INFO] [stdout]    |
[INFO] [stdout] note: the method `set` exists on the type `SledKvsEngine<_>`
[INFO] [stdout]   --> /opt/rustwide/workdir/src/engines/mod.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn set(&self, key: String, value: String) -> Box<dyn Future<Item = (), Error = KvsError> + Send>;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: consider using `Result::expect` to unwrap the `SledKvsEngine<_>` value, panicking if the value is a `Result::Err`
[INFO] [stdout]    |
[INFO] [stdout] 41 |                     db.expect("REASON").set(format!("key{}", i), "value".to_string()).unwrap();
[INFO] [stdout]    |                       +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 2 arguments but 1 argument was supplied
[INFO] [stdout]   --> benches/engine_bench.rs:55:29
[INFO] [stdout]    |
[INFO] [stdout] 55 |             let mut store = KvStore::open(temp_dir.path()).unwrap();
[INFO] [stdout]    |                             ^^^^^^^^^^^^^----------------- argument #2 of type `u32` is missing
[INFO] [stdout]    |
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]   --> /opt/rustwide/workdir/src/engines/kvs.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn open(path: impl Into<PathBuf>, concurrency: u32) -> Result<Self> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] help: provide the argument
[INFO] [stdout]    |
[INFO] [stdout] 55 |             let mut store = KvStore::open(temp_dir.path(), /* u32 */).unwrap();
[INFO] [stdout]    |                                          ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `unwrap` found for struct `Box<(dyn futures::future::Future<Error = KvsError, Item = ()> + Send + 'static)>` in the current scope
[INFO] [stdout]   --> benches/engine_bench.rs:59:22
[INFO] [stdout]    |
[INFO] [stdout] 57 | /                 store
[INFO] [stdout] 58 | |                     .set(format!("key{}", key_i), "value".to_string())
[INFO] [stdout] 59 | |                     .unwrap();
[INFO] [stdout]    | |                     -^^^^^^ method not found in `Box<dyn Future<Error = KvsError, Item = ()> + Send>`
[INFO] [stdout]    | |_____________________|
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `unwrap` found for struct `Box<(dyn futures::future::Future<Error = KvsError, Item = Option<String>> + Send + 'static)>` in the current scope
[INFO] [stdout]   --> benches/engine_bench.rs:65:22
[INFO] [stdout]    |
[INFO] [stdout] 63 | /                 store
[INFO] [stdout] 64 | |                     .get(format!("key{}", rng.gen_range(1, 1 << i)))
[INFO] [stdout] 65 | |                     .unwrap();
[INFO] [stdout]    | |                     -^^^^^^ method not found in `Box<dyn Future<Error = KvsError, Item = Option<String>> + Send>`
[INFO] [stdout]    | |_____________________|
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 2 arguments but 1 argument was supplied
[INFO] [stdout]   --> benches/engine_bench.rs:72:22
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let mut db = SledKvsEngine::new(Db::start_default(&temp_dir).unwrap());
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^--------------------------------------- argument #2 of type `u32` is missing
[INFO] [stdout]    |
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]   --> /opt/rustwide/workdir/src/engines/sled.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn new(db: Db, concurrency: u32) -> Result<Self> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] help: provide the argument
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let mut db = SledKvsEngine::new(Db::start_default(&temp_dir).unwrap(), /* u32 */);
[INFO] [stdout]    |                                        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `set` found for enum `Result` in the current scope
[INFO] [stdout]   --> benches/engine_bench.rs:74:16
[INFO] [stdout]    |
[INFO] [stdout] 74 |             db.set(format!("key{}", key_i), "value".to_string())
[INFO] [stdout]    |                ^^^ method not found in `Result<SledKvsEngine<_>, KvsError>`
[INFO] [stdout]    |
[INFO] [stdout] note: the method `set` exists on the type `SledKvsEngine<_>`
[INFO] [stdout]   --> /opt/rustwide/workdir/src/engines/mod.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn set(&self, key: String, value: String) -> Box<dyn Future<Item = (), Error = KvsError> + Send>;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: consider using `Result::expect` to unwrap the `SledKvsEngine<_>` value, panicking if the value is a `Result::Err`
[INFO] [stdout]    |
[INFO] [stdout] 74 |             db.expect("REASON").set(format!("key{}", key_i), "value".to_string())
[INFO] [stdout]    |               +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get` found for enum `Result` in the current scope
[INFO] [stdout]   --> benches/engine_bench.rs:79:16
[INFO] [stdout]    |
[INFO] [stdout] 79 |             db.get(format!("key{}", rng.gen_range(1, 1 << i))).unwrap();
[INFO] [stdout]    |                ^^^ method not found in `Result<SledKvsEngine<_>, KvsError>`
[INFO] [stdout]    |
[INFO] [stdout] note: the method `get` exists on the type `SledKvsEngine<_>`
[INFO] [stdout]   --> /opt/rustwide/workdir/src/engines/mod.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn get(&self, key: String) -> Box<dyn Future<Item = Option<String>, Error = KvsError> + Send>;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: consider using `Result::expect` to unwrap the `SledKvsEngine<_>` value, panicking if the value is a `Result::Err`
[INFO] [stdout]    |
[INFO] [stdout] 79 |             db.expect("REASON").get(format!("key{}", rng.gen_range(1, 1 << i))).unwrap();
[INFO] [stdout]    |               +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kvs` (bench "engine_bench") due to 10 previous errors
[INFO] running `Command { std: "docker" "inspect" "fb755eb2ef61dcef82086e6f7c1cef4ddcc99918f80742227f48ba1a081b39b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb755eb2ef61dcef82086e6f7c1cef4ddcc99918f80742227f48ba1a081b39b8", kill_on_drop: false }`
[INFO] [stdout] fb755eb2ef61dcef82086e6f7c1cef4ddcc99918f80742227f48ba1a081b39b8
