[INFO] cloning repository https://github.com/dat2/rust-raft [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dat2/rust-raft" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdat2%2Frust-raft", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdat2%2Frust-raft'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8881ddba811664ddb4f67e143b876fc7f06a5c9d [INFO] checking dat2/rust-raft/8881ddba811664ddb4f67e143b876fc7f06a5c9d against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdat2%2Frust-raft" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dat2/rust-raft on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/dat2/rust-raft [INFO] finished tweaking git repo https://github.com/dat2/rust-raft [INFO] tweaked toml for git repo https://github.com/dat2/rust-raft written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/dat2/rust-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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8b3cd91b66a0afc0d8f71c8bdb6154c082210374cc58ada803f7306459b93fa1 [INFO] running `Command { std: "docker" "start" "-a" "8b3cd91b66a0afc0d8f71c8bdb6154c082210374cc58ada803f7306459b93fa1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8b3cd91b66a0afc0d8f71c8bdb6154c082210374cc58ada803f7306459b93fa1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8b3cd91b66a0afc0d8f71c8bdb6154c082210374cc58ada803f7306459b93fa1", kill_on_drop: false }` [INFO] [stdout] 8b3cd91b66a0afc0d8f71c8bdb6154c082210374cc58ada803f7306459b93fa1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dtail_expr_drop_order" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bbe68fa957f4bc2fae942a5bc8d21093c46e6a61192cce9c876da6735b2ee5fa [INFO] running `Command { std: "docker" "start" "-a" "bbe68fa957f4bc2fae942a5bc8d21093c46e6a61192cce9c876da6735b2ee5fa", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking libc v0.2.21 [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Checking cfg-if v0.1.0 [INFO] [stderr] Checking log v0.3.6 [INFO] [stderr] Checking byteorder v1.0.0 [INFO] [stderr] Compiling gcc v0.3.43 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Checking futures v0.1.13 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Checking lazycell v0.4.0 [INFO] [stderr] Checking slab v0.3.0 [INFO] [stderr] Compiling backtrace v0.3.0 [INFO] [stderr] Checking scoped-tls v0.1.0 [INFO] [stderr] Checking rustc-demangle v0.1.4 [INFO] [stderr] Checking unreachable v0.1.1 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Compiling dbghelp-sys v0.2.0 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Checking regex-syntax v0.4.0 [INFO] [stderr] Checking strsim v0.6.0 [INFO] [stderr] Checking num-traits v0.1.37 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Checking unicode-width v0.1.4 [INFO] [stderr] Checking unicode-segmentation v1.1.0 [INFO] [stderr] Checking take v0.1.0 [INFO] [stderr] Checking serde v1.0.4 [INFO] [stderr] Checking vec_map v0.6.0 [INFO] [stderr] Checking ansi_term v0.9.0 [INFO] [stderr] Checking smallvec v0.2.1 [INFO] [stderr] Checking bitflags v0.7.0 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Checking iovec v0.1.0 [INFO] [stderr] Checking net2 v0.2.29 [INFO] [stderr] Checking memchr v1.0.1 [INFO] [stderr] Checking thread-id v3.0.0 [INFO] [stderr] Checking term_size v0.2.3 [INFO] [stderr] Checking rand v0.3.15 [INFO] [stderr] Checking bytes v0.4.3 [INFO] [stderr] Checking thread_local v0.3.3 [INFO] [stderr] Checking aho-corasick v0.6.2 [INFO] [stderr] Compiling backtrace-sys v0.1.10 [INFO] [stderr] Checking clap v2.20.5 [INFO] [stderr] Checking mio v0.6.7 [INFO] [stderr] Checking regex v0.2.1 [INFO] [stderr] Checking tokio-io v0.1.1 [INFO] [stderr] Checking tokio-service v0.1.0 [INFO] [stderr] Checking tokio-core v0.1.7 [INFO] [stderr] Compiling serde_derive_internals v0.15.0 [INFO] [stderr] Checking env_logger v0.4.1 [INFO] [stderr] Checking tokio-proto v0.1.1 [INFO] [stderr] Compiling serde_derive v1.0.4 [INFO] [stderr] Checking bincode v0.8.0 [INFO] [stderr] Checking error-chain v0.7.2 [INFO] [stderr] Checking raft v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::str` [INFO] [stdout] --> src/server.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::str; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `UnboundedReceiver` [INFO] [stdout] --> src/server.rs:13:55 [INFO] [stdout] | [INFO] [stdout] 13 | use futures::sync::mpsc::{unbounded, UnboundedSender, UnboundedReceiver}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str` [INFO] [stdout] --> src/client.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::str; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/errors.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | / error_chain! { [INFO] [stdout] 2 | | [INFO] [stdout] 3 | | types { [INFO] [stdout] 4 | | Error, ErrorKind, ResultExt, Result; [INFO] [stdout] ... | [INFO] [stdout] 12 | | } [INFO] [stdout] 13 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in the macro `error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str` [INFO] [stdout] --> src/server.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::str; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `UnboundedReceiver` [INFO] [stdout] --> src/server.rs:13:55 [INFO] [stdout] | [INFO] [stdout] 13 | use futures::sync::mpsc::{unbounded, UnboundedSender, UnboundedReceiver}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str` [INFO] [stdout] --> src/client.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::str; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/errors.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | / error_chain! { [INFO] [stdout] 2 | | [INFO] [stdout] 3 | | types { [INFO] [stdout] 4 | | Error, ErrorKind, ResultExt, Result; [INFO] [stdout] ... | [INFO] [stdout] 12 | | } [INFO] [stdout] 13 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in the macro `error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting [INFO] [stdout] --> src/errors.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | / error_chain! { [INFO] [stdout] 2 | | [INFO] [stdout] 3 | | types { [INFO] [stdout] 4 | | Error, ErrorKind, ResultExt, Result; [INFO] [stdout] ... | [INFO] [stdout] 12 | | } [INFO] [stdout] 13 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/server.rs:34:62 [INFO] [stdout] | [INFO] [stdout] 34 | Err(e) => Err(io::Error::new(io::ErrorKind::Other, e.description())) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/server.rs:53:60 [INFO] [stdout] | [INFO] [stdout] 53 | Err(e) => Err(io::Error::new(io::ErrorKind::Other, e.description())) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/server.rs:87:85 [INFO] [stdout] | [INFO] [stdout] 87 | self.tx.send(oneshot_tx).map_err(|e| io::Error::new(io::ErrorKind::Other, e.description())) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/server.rs:89:87 [INFO] [stdout] | [INFO] [stdout] 89 | .and_then(|_| oneshot_rx.map_err(|e| io::Error::new(io::ErrorKind::Other, e.description()))) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/client.rs:33:62 [INFO] [stdout] | [INFO] [stdout] 33 | Err(e) => Err(io::Error::new(io::ErrorKind::Other, e.description())), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/client.rs:52:60 [INFO] [stdout] | [INFO] [stdout] 52 | Err(e) => Err(io::Error::new(io::ErrorKind::Other, e.description())), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting [INFO] [stdout] --> src/errors.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | / error_chain! { [INFO] [stdout] 2 | | [INFO] [stdout] 3 | | types { [INFO] [stdout] 4 | | Error, ErrorKind, ResultExt, Result; [INFO] [stdout] ... | [INFO] [stdout] 12 | | } [INFO] [stdout] 13 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/server.rs:34:62 [INFO] [stdout] | [INFO] [stdout] 34 | Err(e) => Err(io::Error::new(io::ErrorKind::Other, e.description())) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/server.rs:53:60 [INFO] [stdout] | [INFO] [stdout] 53 | Err(e) => Err(io::Error::new(io::ErrorKind::Other, e.description())) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/server.rs:87:85 [INFO] [stdout] | [INFO] [stdout] 87 | self.tx.send(oneshot_tx).map_err(|e| io::Error::new(io::ErrorKind::Other, e.description())) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/server.rs:89:87 [INFO] [stdout] | [INFO] [stdout] 89 | .and_then(|_| oneshot_rx.map_err(|e| io::Error::new(io::ErrorKind::Other, e.description()))) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/client.rs:33:62 [INFO] [stdout] | [INFO] [stdout] 33 | Err(e) => Err(io::Error::new(io::ErrorKind::Other, e.description())), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/client.rs:52:60 [INFO] [stdout] | [INFO] [stdout] 52 | Err(e) => Err(io::Error::new(io::ErrorKind::Other, e.description())), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `RaftState` is never constructed [INFO] [stdout] --> src/state.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct RaftState { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `RaftState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `vote` are never used [INFO] [stdout] --> src/state.rs:7:10 [INFO] [stdout] | [INFO] [stdout] 6 | impl RaftState { [INFO] [stdout] | -------------- associated items in this implementation [INFO] [stdout] 7 | pub fn new() -> RaftState { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 11 | pub fn vote(&mut self, candidate: String) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `StateEnum` is never used [INFO] [stdout] --> src/state.rs:19:10 [INFO] [stdout] | [INFO] [stdout] 19 | pub enum StateEnum { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `StateEnum` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `state` is never read [INFO] [stdout] --> src/state.rs:27:7 [INFO] [stdout] | [INFO] [stdout] 26 | pub struct StateMachine { [INFO] [stdout] | ------------ field in this struct [INFO] [stdout] 27 | pub state: S, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `StateMachine` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `init`, `vote`, `complete_vote`, and `election_timeout` are never used [INFO] [stdout] --> src/state.rs:42:10 [INFO] [stdout] | [INFO] [stdout] 40 | impl StateMachine { [INFO] [stdout] | --------------------------- associated items in this implementation [INFO] [stdout] 41 | // everyone starts off as a follower [INFO] [stdout] 42 | pub fn init() -> StateMachine { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 47 | pub fn vote(self, candidate: String) -> StateMachine { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 52 | pub fn complete_vote(self) -> StateMachine { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 57 | pub fn election_timeout(self) -> StateMachine { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `failed_majority_timeout`, `other_leader_elected`, and `elected` are never used [INFO] [stdout] --> src/state.rs:64:10 [INFO] [stdout] | [INFO] [stdout] 62 | impl StateMachine { [INFO] [stdout] | ---------------------------- methods in this implementation [INFO] [stdout] 63 | // if no majority was reached, then we just need to increment term and try again [INFO] [stdout] 64 | pub fn failed_majority_timeout(self) -> StateMachine { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 69 | pub fn other_leader_elected(self) -> StateMachine { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 74 | pub fn elected(self) -> StateMachine { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `voted_for` is never read [INFO] [stdout] --> src/state.rs:81:3 [INFO] [stdout] | [INFO] [stdout] 80 | pub struct Follower { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 81 | voted_for: Option, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Follower` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/server.rs:67:8 [INFO] [stdout] | [INFO] [stdout] 66 | fn bind_transport(&self, io: T) -> Self::BindTransport { [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 67 | Ok(io.framed(RaftCodec)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/server.rs:107:7 [INFO] [stdout] | [INFO] [stdout] 107 | v.send(rng.gen()); [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)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 107 | let _ = v.send(rng.gen()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/client.rs:66:8 [INFO] [stdout] | [INFO] [stdout] 65 | fn bind_transport(&self, io: T) -> Self::BindTransport { [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 66 | Ok(io.framed(RaftClientCodec)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 19 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `raft` (lib) due to 3 previous errors; 19 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: struct `RaftState` is never constructed [INFO] [stdout] --> src/state.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct RaftState { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `RaftState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `vote` are never used [INFO] [stdout] --> src/state.rs:7:10 [INFO] [stdout] | [INFO] [stdout] 6 | impl RaftState { [INFO] [stdout] | -------------- associated items in this implementation [INFO] [stdout] 7 | pub fn new() -> RaftState { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 11 | pub fn vote(&mut self, candidate: String) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `StateEnum` is never used [INFO] [stdout] --> src/state.rs:19:10 [INFO] [stdout] | [INFO] [stdout] 19 | pub enum StateEnum { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `StateEnum` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `state` is never read [INFO] [stdout] --> src/state.rs:27:7 [INFO] [stdout] | [INFO] [stdout] 26 | pub struct StateMachine { [INFO] [stdout] | ------------ field in this struct [INFO] [stdout] 27 | pub state: S, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `StateMachine` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `init`, `vote`, `complete_vote`, and `election_timeout` are never used [INFO] [stdout] --> src/state.rs:42:10 [INFO] [stdout] | [INFO] [stdout] 40 | impl StateMachine { [INFO] [stdout] | --------------------------- associated items in this implementation [INFO] [stdout] 41 | // everyone starts off as a follower [INFO] [stdout] 42 | pub fn init() -> StateMachine { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 47 | pub fn vote(self, candidate: String) -> StateMachine { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 52 | pub fn complete_vote(self) -> StateMachine { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 57 | pub fn election_timeout(self) -> StateMachine { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `failed_majority_timeout`, `other_leader_elected`, and `elected` are never used [INFO] [stdout] --> src/state.rs:64:10 [INFO] [stdout] | [INFO] [stdout] 62 | impl StateMachine { [INFO] [stdout] | ---------------------------- methods in this implementation [INFO] [stdout] 63 | // if no majority was reached, then we just need to increment term and try again [INFO] [stdout] 64 | pub fn failed_majority_timeout(self) -> StateMachine { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 69 | pub fn other_leader_elected(self) -> StateMachine { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 74 | pub fn elected(self) -> StateMachine { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `voted_for` is never read [INFO] [stdout] --> src/state.rs:81:3 [INFO] [stdout] | [INFO] [stdout] 80 | pub struct Follower { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 81 | voted_for: Option, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Follower` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/server.rs:67:8 [INFO] [stdout] | [INFO] [stdout] 66 | fn bind_transport(&self, io: T) -> Self::BindTransport { [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 67 | Ok(io.framed(RaftCodec)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/server.rs:107:7 [INFO] [stdout] | [INFO] [stdout] 107 | v.send(rng.gen()); [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)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 107 | let _ = v.send(rng.gen()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/client.rs:66:8 [INFO] [stdout] | [INFO] [stdout] 65 | fn bind_transport(&self, io: T) -> Self::BindTransport { [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 66 | Ok(io.framed(RaftClientCodec)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 19 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `raft` (lib test) due to 3 previous errors; 19 warnings emitted [INFO] running `Command { std: "docker" "inspect" "bbe68fa957f4bc2fae942a5bc8d21093c46e6a61192cce9c876da6735b2ee5fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bbe68fa957f4bc2fae942a5bc8d21093c46e6a61192cce9c876da6735b2ee5fa", kill_on_drop: false }` [INFO] [stdout] bbe68fa957f4bc2fae942a5bc8d21093c46e6a61192cce9c876da6735b2ee5fa