[INFO] cloning repository https://github.com/ravikiran232/raft-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ravikiran232/raft-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fravikiran232%2Fraft-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fravikiran232%2Fraft-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a0a68d166dd297a716bf7a430c8a7a4cb96806d6
[INFO] checking ravikiran232/raft-rust against try#f16624c7fb52ccf15cd304a9728caf1ef4b9c0d2 for pr-156992
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fravikiran232%2Fraft-rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ravikiran232/raft-rust
[INFO] finished tweaking git repo https://github.com/ravikiran232/raft-rust
[INFO] tweaked toml for git repo https://github.com/ravikiran232/raft-rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ravikiran232/raft-rust on toolchain f16624c7fb52ccf15cd304a9728caf1ef4b9c0d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f16624c7fb52ccf15cd304a9728caf1ef4b9c0d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ravikiran232/raft-rust 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" "+f16624c7fb52ccf15cd304a9728caf1ef4b9c0d2" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking ravikiran232/raft-rust against try#f16624c7fb52ccf15cd304a9728caf1ef4b9c0d2 for pr-156992
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fravikiran232%2Fraft-rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ravikiran232/raft-rust
[INFO] finished tweaking git repo https://github.com/ravikiran232/raft-rust
[INFO] tweaked toml for git repo https://github.com/ravikiran232/raft-rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ravikiran232/raft-rust on toolchain f16624c7fb52ccf15cd304a9728caf1ef4b9c0d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f16624c7fb52ccf15cd304a9728caf1ef4b9c0d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ravikiran232/raft-rust 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" "+f16624c7fb52ccf15cd304a9728caf1ef4b9c0d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]    Compiling percolator v0.1.0 (/opt/rustwide/workdir/percolator)
[INFO] [stderr]    Compiling raft v0.1.0 (/opt/rustwide/workdir/raft)
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[INFO] [stdout] warning: unused import: `SyncSender`
[INFO] [stdout]  --> raft/src/raft/mod.rs:1:47
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::mpsc::{sync_channel, Receiver, SyncSender};
[INFO] [stdout]   |                                               ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]  --> raft/src/raft/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::time::Instant;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `labrpc::Rpc`
[INFO] [stdout]  --> raft/src/raft/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use labrpc::Rpc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Service` and `add_service as add_tso_service`
[INFO] [stdout]   --> percolator/src/service.rs:12:21
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub use timestamp::{add_service as add_tso_service, Client as TSOClient, Service};
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^                       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `add_service as add_transaction_service`
[INFO] [stdout]   --> percolator/src/service.rs:22:23
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub use transaction::{add_service as add_transaction_service, Client as TransactionClient};
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `add_service as add_raft_service`
[INFO] [stdout]   --> raft/src/proto/mod.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |         add_service as add_raft_service, Client as RaftClient, Service as RaftService,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `add_service as add_kv_service`
[INFO] [stdout]   --> raft/src/proto/mod.rs:30:24
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub use self::kv::{add_service as add_kv_service, Client as KvClient, Service as KvService};
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SyncSender`
[INFO] [stdout]  --> raft/src/raft/mod.rs:1:47
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::mpsc::{sync_channel, Receiver, SyncSender};
[INFO] [stdout]   |                                               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]  --> raft/src/raft/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::time::Instant;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `labrpc::Rpc`
[INFO] [stdout]  --> raft/src/raft/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use labrpc::Rpc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Service`
[INFO] [stdout]   --> percolator/src/service.rs:12:74
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub use timestamp::{add_service as add_tso_service, Client as TSOClient, Service};
[INFO] [stdout]    |                                                                          ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `apply_ch`
[INFO] [stdout]   --> raft/src/raft/mod.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |         apply_ch: UnboundedSender<ApplyMsg>,
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_apply_ch`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `index` is assigned to, but never used
[INFO] [stdout]    --> raft/src/raft/mod.rs:491:17
[INFO] [stdout]     |
[INFO] [stdout] 491 |             let mut index = 0;
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_index` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `index` is never read
[INFO] [stdout]    --> raft/src/raft/mod.rs:510:17
[INFO] [stdout]     |
[INFO] [stdout] 510 |                 index += 1;
[INFO] [stdout]     |                 ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]  --> raft/src/kvraft/client.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Put(String, String),
[INFO] [stdout]   |     --- ^^^^^^  ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]   |
[INFO] [stdout] 6 -     Put(String, String),
[INFO] [stdout] 6 +     Put((), ()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]  --> raft/src/kvraft/client.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Append(String, String),
[INFO] [stdout]   |     ------ ^^^^^^  ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]   |
[INFO] [stdout] 7 -     Append(String, String),
[INFO] [stdout] 7 +     Append((), ()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `voted_for` is never read
[INFO] [stdout]   --> raft/src/raft/mod.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub struct Raft {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 66 |     voted_for: Arc<Mutex<i32>>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> raft/src/raft/mod.rs:174:13
[INFO] [stdout]     |
[INFO] [stdout] 174 |             tx.send(res);
[INFO] [stdout]     |             ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 174 |             let _ = tx.send(res);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> raft/src/raft/mod.rs:232:13
[INFO] [stdout]     |
[INFO] [stdout] 232 |             tx.send(res);
[INFO] [stdout]     |             ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 232 |             let _ = tx.send(res);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `apply_ch`
[INFO] [stdout]   --> raft/src/raft/mod.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |         apply_ch: UnboundedSender<ApplyMsg>,
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_apply_ch`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `index` is assigned to, but never used
[INFO] [stdout]    --> raft/src/raft/mod.rs:491:17
[INFO] [stdout]     |
[INFO] [stdout] 491 |             let mut index = 0;
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_index` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `index` is never read
[INFO] [stdout]    --> raft/src/raft/mod.rs:510:17
[INFO] [stdout]     |
[INFO] [stdout] 510 |                 index += 1;
[INFO] [stdout]     |                 ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]  --> raft/src/kvraft/client.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Put(String, String),
[INFO] [stdout]   |     --- ^^^^^^  ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]   |
[INFO] [stdout] 6 -     Put(String, String),
[INFO] [stdout] 6 +     Put((), ()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]  --> raft/src/kvraft/client.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Append(String, String),
[INFO] [stdout]   |     ------ ^^^^^^  ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]   |
[INFO] [stdout] 7 -     Append(String, String),
[INFO] [stdout] 7 +     Append((), ()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `voted_for` is never read
[INFO] [stdout]   --> raft/src/raft/mod.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub struct Raft {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 66 |     voted_for: Arc<Mutex<i32>>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> raft/src/raft/mod.rs:174:13
[INFO] [stdout]     |
[INFO] [stdout] 174 |             tx.send(res);
[INFO] [stdout]     |             ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 174 |             let _ = tx.send(res);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> raft/src/raft/mod.rs:232:13
[INFO] [stdout]     |
[INFO] [stdout] 232 |             tx.send(res);
[INFO] [stdout]     |             ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 232 |             let _ = tx.send(res);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.92s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "a8b32f618ac138813a1f439c52a6f6c5da5cb80bac8f31b6931c756b1755b28b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8b32f618ac138813a1f439c52a6f6c5da5cb80bac8f31b6931c756b1755b28b", kill_on_drop: false }`
[INFO] [stdout] a8b32f618ac138813a1f439c52a6f6c5da5cb80bac8f31b6931c756b1755b28b
