[INFO] cloning repository https://github.com/BugenZhao/Raft [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BugenZhao/Raft" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBugenZhao%2FRaft", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBugenZhao%2FRaft'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8f095bdaecd4e1ff571570a6611f69639216f957 [INFO] checking BugenZhao/Raft against master#a33907a7a5381473eec8bcfa0c56e05a856a911c for pr-151539 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBugenZhao%2FRaft" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/BugenZhao/Raft [INFO] finished tweaking git repo https://github.com/BugenZhao/Raft [INFO] tweaked toml for git repo https://github.com/BugenZhao/Raft written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/BugenZhao/Raft on toolchain a33907a7a5381473eec8bcfa0c56e05a856a911c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a33907a7a5381473eec8bcfa0c56e05a856a911c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/BugenZhao/Raft 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" "+a33907a7a5381473eec8bcfa0c56e05a856a911c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded anyhow v1.0.47 [INFO] [stderr] Downloaded serde_json v1.0.71 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+a33907a7a5381473eec8bcfa0c56e05a856a911c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 931d60e806697443e814597f3ddf3345e7a56cc12f846301e22c19854442af5e [INFO] running `Command { std: "docker" "start" "-a" "931d60e806697443e814597f3ddf3345e7a56cc12f846301e22c19854442af5e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "931d60e806697443e814597f3ddf3345e7a56cc12f846301e22c19854442af5e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "931d60e806697443e814597f3ddf3345e7a56cc12f846301e22c19854442af5e", kill_on_drop: false }` [INFO] [stdout] 931d60e806697443e814597f3ddf3345e7a56cc12f846301e22c19854442af5e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+a33907a7a5381473eec8bcfa0c56e05a856a911c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7d9b8ef960bcbfcbf1a20b6dc22337528c2e2dd3379fc46c05958e7c3b307323 [INFO] running `Command { std: "docker" "start" "-a" "7d9b8ef960bcbfcbf1a20b6dc22337528c2e2dd3379fc46c05958e7c3b307323", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling syn v1.0.81 [INFO] [stderr] Compiling 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[INFO] [stderr] Compiling raft v0.1.0 (/opt/rustwide/workdir/raft) [INFO] [stderr] Compiling percolator v0.1.0 (/opt/rustwide/workdir/percolator) [INFO] [stderr] Checking futures-executor v0.3.17 [INFO] [stderr] Checking futures v0.3.17 [INFO] [stderr] Checking labrpc v0.1.0 (/opt/rustwide/workdir/labrpc) [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: `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: constant `TTL` is never used [INFO] [stdout] --> percolator/src/server.rs:14:7 [INFO] [stdout] | [INFO] [stdout] 14 | const TTL: Duration = Duration::from_millis(100); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `TimestampOracle` is never constructed [INFO] [stdout] --> percolator/src/server.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 17 | pub struct TimestampOracle { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `Key` is never used [INFO] [stdout] --> percolator/src/server.rs:36:10 [INFO] [stdout] | [INFO] [stdout] 36 | pub type Key = (Vec, u64); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Value` is never used [INFO] [stdout] --> percolator/src/server.rs:39:10 [INFO] [stdout] | [INFO] [stdout] 39 | pub enum Value { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `as_ts` and `as_bytes` are never used [INFO] [stdout] --> percolator/src/server.rs:45:8 [INFO] [stdout] | [INFO] [stdout] 44 | impl Value { [INFO] [stdout] | ---------- methods in this implementation [INFO] [stdout] 45 | fn as_ts(&self) -> u64 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 52 | fn as_bytes(&self) -> &[u8] { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Column` is never used [INFO] [stdout] --> percolator/src/server.rs:60:10 [INFO] [stdout] | [INFO] [stdout] 60 | pub enum Column { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `KvTable` is never constructed [INFO] [stdout] --> percolator/src/server.rs:69:12 [INFO] [stdout] | [INFO] [stdout] 69 | pub struct KvTable { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple methods are never used [INFO] [stdout] --> percolator/src/server.rs:76:8 [INFO] [stdout] | [INFO] [stdout] 75 | impl KvTable { [INFO] [stdout] | ------------ methods in this implementation [INFO] [stdout] 76 | fn column_ref(&self, column: Column) -> &BTreeMap { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 84 | fn column_mut(&mut self, column: Column) -> &mut BTreeMap { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 94 | fn read( [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 119 | fn read_owned( [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 130 | fn write(&mut self, key: Vec, column: Column, ts: u64, value: Value) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 137 | fn erase(&mut self, key: &[u8], column: Column, commit_ts: u64) -> Option { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 143 | fn try_erase_expired(&mut self, key: &[u8], column: Column, commit_ts: u64) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MemoryStorage` is never constructed [INFO] [stdout] --> percolator/src/server.rs:159:12 [INFO] [stdout] | [INFO] [stdout] 159 | pub struct MemoryStorage { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `back_off_maybe_clean_up_lock` is never used [INFO] [stdout] --> percolator/src/server.rs:258:8 [INFO] [stdout] | [INFO] [stdout] 257 | impl MemoryStorage { [INFO] [stdout] | ------------------ method in this implementation [INFO] [stdout] 258 | fn back_off_maybe_clean_up_lock<'a>( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Checking csv v1.1.6 [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:28:24 [INFO] [stdout] | [INFO] [stdout] 28 | pub use self::kv::{add_service as add_kv_service, Client as KvClient, Service as KvService}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> raft/src/kvraft/server.rs:28:11 [INFO] [stdout] | [INFO] [stdout] 28 | Get { value: String }, [INFO] [stdout] | --- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `NotifyReply` has derived impls for the traits `Clone` and `Debug`, but these are 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: type alias `Command` is never used [INFO] [stdout] --> raft/src/kvraft/server.rs:38:6 [INFO] [stdout] | [INFO] [stdout] 38 | type Command = KvRequest; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `start` is never used [INFO] [stdout] --> raft/src/kvraft/server.rs:104:8 [INFO] [stdout] | [INFO] [stdout] 102 | impl KvServer { [INFO] [stdout] | ------------- method in this implementation [INFO] [stdout] 103 | /// Send and start a command to Raft layer. [INFO] [stdout] 104 | fn start(&mut self, command: Command) -> Result> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `timer_action_tx` is never used [INFO] [stdout] --> raft/src/raft/mod.rs:208:8 [INFO] [stdout] | [INFO] [stdout] 201 | impl Raft { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 208 | fn timer_action_tx(&self) -> &UnboundedSender { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `reset_timeout` is never used [INFO] [stdout] --> raft/src/raft/mod.rs:428:8 [INFO] [stdout] | [INFO] [stdout] 308 | impl Raft { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 428 | fn reset_timeout(&self) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `handle_request_vote_request`, `handle_append_entries_request`, and `handle_install_snapshot_request` are never used [INFO] [stdout] --> raft/src/raft/mod.rs:552:8 [INFO] [stdout] | [INFO] [stdout] 492 | impl Raft { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 552 | fn handle_request_vote_request( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 622 | fn handle_append_entries_request( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 764 | fn handle_install_snapshot_request( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `pop_back` is never used [INFO] [stdout] --> raft/src/raft/states.rs:153:12 [INFO] [stdout] | [INFO] [stdout] 66 | impl Log { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 153 | pub fn pop_back(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> raft/src/raft/states.rs:281:18 [INFO] [stdout] | [INFO] [stdout] 281 | pub fn write(&mut self) -> PersistentStateGuard { [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] 281 | pub fn write(&mut self) -> PersistentStateGuard<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking criterion v0.3.5 [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> raft/src/raft/states.rs:281:18 [INFO] [stdout] | [INFO] [stdout] 281 | pub fn write(&mut self) -> PersistentStateGuard { [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] 281 | pub fn write(&mut self) -> PersistentStateGuard<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.32s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 7` [INFO] running `Command { std: "docker" "inspect" "7d9b8ef960bcbfcbf1a20b6dc22337528c2e2dd3379fc46c05958e7c3b307323", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7d9b8ef960bcbfcbf1a20b6dc22337528c2e2dd3379fc46c05958e7c3b307323", kill_on_drop: false }` [INFO] [stdout] 7d9b8ef960bcbfcbf1a20b6dc22337528c2e2dd3379fc46c05958e7c3b307323