[INFO] cloning repository https://github.com/neilmckibben/Distributed-Cache
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/neilmckibben/Distributed-Cache" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneilmckibben%2FDistributed-Cache", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4b5d8f082da0150527ff8db279e517c8411a0de3
[INFO] checking neilmckibben/Distributed-Cache against try#5f6abd89da253a562ad85d235b9342a3ac336c28 for pr-156114
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneilmckibben%2FDistributed-Cache" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/neilmckibben/Distributed-Cache
[INFO] finished tweaking git repo https://github.com/neilmckibben/Distributed-Cache
[INFO] tweaked toml for git repo https://github.com/neilmckibben/Distributed-Cache written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/neilmckibben/Distributed-Cache on toolchain 5f6abd89da253a562ad85d235b9342a3ac336c28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5f6abd89da253a562ad85d235b9342a3ac336c28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/neilmckibben/Distributed-Cache 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" "+5f6abd89da253a562ad85d235b9342a3ac336c28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+5f6abd89da253a562ad85d235b9342a3ac336c28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] [stderr]    Compiling tonic-prost-build v0.14.2
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]    Compiling fastcache v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking h2 v0.4.12
[INFO] [stderr]     Checking tower v0.5.2
[INFO] [stderr]     Checking native-tls v0.2.18
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[INFO] [stdout] warning: associated function `from_file_str` is never used
[INFO] [stdout]    --> src/config.rs:510:8
[INFO] [stdout]     |
[INFO] [stdout] 508 | impl GatewayConfig {
[INFO] [stdout]     | ------------------ associated function in this implementation
[INFO] [stdout] 509 |     // Helper for tests
[INFO] [stdout] 510 |     fn from_file_str(toml_str: &str) -> Result<Self, Box<dyn std::error::Error>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `delete`
[INFO] [stdout]  --> src/gateway.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 |     routing::{delete, get, post},
[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: `core::time`
[INFO] [stdout]   --> src/gateway.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use core::time;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Request`, `Router`, and `body::Body`
[INFO] [stdout]  --> tests/gateway_tests.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     Router,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 3 |     body::Body,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 4 |     http::{Request, StatusCode},
[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: `tower::ServiceExt`
[INFO] [stdout]  --> tests/gateway_tests.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use tower::ServiceExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> benches/cache_benchmarks.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn bench_get(&mut self, key: &str) -> Result<Option<Vec<u8>>, String> {
[INFO] [stdout]    |                                           ------------------------------- expected `Result<Option<Vec<u8>>, String>` because of return type
[INFO] [stdout] 16 |         self.get(key).map_err(|e| format!("{:?}", e))
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `Result<Option<Vec<u8>>, String>`, found `Result<Option<(Vec<u8>, u64)>, String>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Result<Option<Vec<u8>>, _>`
[INFO] [stdout]               found enum `Result<Option<(Vec<u8>, u64)>, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ClearRequest`, `ClearResponse`, `DeleteRequest`, `DeleteResponse`, `GetResponse`, `GetStatsRequest`, `GetStatsResponse`, and `SetResponse`
[INFO] [stdout]  --> src/client.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     ClearRequest, ClearResponse, DeleteRequest, DeleteResponse, GetRequest, GetResponse,
[INFO] [stdout]   |     ^^^^^^^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^              ^^^^^^^^^^^
[INFO] [stdout] 3 |     GetStatsRequest, GetStatsResponse, SetRequest, SetResponse,
[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 imports: `Request`, `Response`, `Status`, and `transport::Server`
[INFO] [stdout]  --> src/client.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tonic::{Request, Response, Status, transport::Server};
[INFO] [stdout]   |             ^^^^^^^  ^^^^^^^^  ^^^^^^  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `delete`
[INFO] [stdout]  --> src/gateway.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 |     routing::{delete, get, post},
[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: `core::time`
[INFO] [stdout]   --> src/gateway.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use core::time;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fastcache` (bench "cache_benchmarks") due to 1 previous error
[INFO] [stdout] warning: unused import: `core::time`
[INFO] [stdout]  --> src/server.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::time;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused imports: `CacheConfig` and `EvictionPolicy`
[INFO] [stdout]   --> src/server.rs:13:24
[INFO] [stdout]    |
[INFO] [stdout] 13 | use fastcache::{Cache, CacheConfig, EvictionPolicy};
[INFO] [stdout]    |                        ^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::time`
[INFO] [stdout]  --> src/server.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::time;
[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 imports: `CacheConfig` and `EvictionPolicy`
[INFO] [stdout]   --> src/server.rs:13:24
[INFO] [stdout]    |
[INFO] [stdout] 13 | use fastcache::{Cache, CacheConfig, EvictionPolicy};
[INFO] [stdout]    |                        ^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ClearRequest`, `ClearResponse`, `DeleteRequest`, `DeleteResponse`, `GetResponse`, `GetStatsRequest`, `GetStatsResponse`, and `SetResponse`
[INFO] [stdout]  --> src/client.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     ClearRequest, ClearResponse, DeleteRequest, DeleteResponse, GetRequest, GetResponse,
[INFO] [stdout]   |     ^^^^^^^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^              ^^^^^^^^^^^
[INFO] [stdout] 3 |     GetStatsRequest, GetStatsResponse, SetRequest, SetResponse,
[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 imports: `Request`, `Response`, `Status`, and `transport::Server`
[INFO] [stdout]  --> src/client.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tonic::{Request, Response, Status, transport::Server};
[INFO] [stdout]   |             ^^^^^^^  ^^^^^^^^  ^^^^^^  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/gateway.rs:175:9
[INFO] [stdout]     |
[INFO] [stdout] 175 |     let mut clients = state.get_clients_for_replication(&payload.key, state.replication_factor);
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/gateway.rs:175:9
[INFO] [stdout]     |
[INFO] [stdout] 175 |     let mut clients = state.get_clients_for_replication(&payload.key, state.replication_factor);
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `replication_factor`
[INFO] [stdout]    --> src/gateway.rs:489:13
[INFO] [stdout]     |
[INFO] [stdout] 489 |         let replication_factor = 5;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_replication_factor`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `read_quorum` is never read
[INFO] [stdout]   --> src/gateway.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | struct GatewayState {
[INFO] [stdout]    |        ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 40 |     read_quorum: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `start_time` is never read
[INFO] [stdout]   --> src/server.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct CacheServer {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 22 |     cache: Arc<Cache>,
[INFO] [stdout] 23 |     start_time: Instant,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CacheServer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `start_time` is never read
[INFO] [stdout]   --> src/server.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct CacheServer {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 22 |     cache: Arc<Cache>,
[INFO] [stdout] 23 |     start_time: Instant,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CacheServer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "95a5ae2a8e35328669eed823851d44b317866eb84e948c5752f5ca7567f56f18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95a5ae2a8e35328669eed823851d44b317866eb84e948c5752f5ca7567f56f18", kill_on_drop: false }`
[INFO] [stdout] 95a5ae2a8e35328669eed823851d44b317866eb84e948c5752f5ca7567f56f18
