[INFO] cloning repository https://github.com/cjwcommuny/toy-paxos-classic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cjwcommuny/toy-paxos-classic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcjwcommuny%2Ftoy-paxos-classic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcjwcommuny%2Ftoy-paxos-classic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 89425ebb04d8ea6844f3a8eb5b66402d62964e2d
[INFO] checking cjwcommuny/toy-paxos-classic against master#32cd9114712a24010b0583624dc52ac302194128 for pr-143717
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcjwcommuny%2Ftoy-paxos-classic" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cjwcommuny/toy-paxos-classic
[INFO] finished tweaking git repo https://github.com/cjwcommuny/toy-paxos-classic
[INFO] tweaked toml for git repo https://github.com/cjwcommuny/toy-paxos-classic written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cjwcommuny/toy-paxos-classic on toolchain 32cd9114712a24010b0583624dc52ac302194128
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+32cd9114712a24010b0583624dc52ac302194128" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cjwcommuny/toy-paxos-classic 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" "+32cd9114712a24010b0583624dc52ac302194128" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+32cd9114712a24010b0583624dc52ac302194128" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 771ad18a6b8eb58826ac5264124e448601717a70ecf85c15286ac7d0fe28b974
[INFO] running `Command { std: "docker" "start" "-a" "771ad18a6b8eb58826ac5264124e448601717a70ecf85c15286ac7d0fe28b974", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "771ad18a6b8eb58826ac5264124e448601717a70ecf85c15286ac7d0fe28b974", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "771ad18a6b8eb58826ac5264124e448601717a70ecf85c15286ac7d0fe28b974", kill_on_drop: false }`
[INFO] [stdout] 771ad18a6b8eb58826ac5264124e448601717a70ecf85c15286ac7d0fe28b974
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+32cd9114712a24010b0583624dc52ac302194128" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1d0998a20f8d6471472d591db5b8bbf4aa17b57a132520d2fa58e3210e8542a
[INFO] running `Command { std: "docker" "start" "-a" "a1d0998a20f8d6471472d591db5b8bbf4aa17b57a132520d2fa58e3210e8542a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.73
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]    Compiling thiserror v1.0.53
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling quote v1.0.34
[INFO] [stderr]    Compiling syn v2.0.44
[INFO] [stderr]    Compiling getset v0.1.2
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling thiserror-impl v1.0.53
[INFO] [stderr]    Compiling derive-new v0.6.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking paxos-classic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `ReadResponse<V>` is more private than the item `ReadClient::Stream`
[INFO] [stdout]    --> src/alpha.rs:175:5
[INFO] [stdout]     |
[INFO] [stdout] 175 |     type Stream: Stream<Item = Result<ReadResponse<V>, Self::Error>>;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ associated type `ReadClient::Stream` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `ReadResponse<V>` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/alpha.rs:163:1
[INFO] [stdout]     |
[INFO] [stdout] 163 | struct ReadResponse<V> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_bounds)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `WriteResponse` is more private than the item `WriteClient::Stream`
[INFO] [stdout]    --> src/alpha.rs:181:5
[INFO] [stdout]     |
[INFO] [stdout] 181 |     type Stream: Stream<Item = Result<WriteResponse, Self::Error>>;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ associated type `WriteClient::Stream` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `WriteResponse` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/alpha.rs:168:1
[INFO] [stdout]     |
[INFO] [stdout] 168 | struct WriteResponse {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Value<V>` is more private than the item `WriteClient::broadcast_write`
[INFO] [stdout]    --> src/alpha.rs:182:5
[INFO] [stdout]     |
[INFO] [stdout] 182 |     fn broadcast_write(&self, value: Value<V>) -> Self::Stream;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `WriteClient::broadcast_write` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `Value<V>` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/alpha.rs:118:1
[INFO] [stdout]     |
[INFO] [stdout] 118 | struct Value<V> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `read` and `write` are never used
[INFO] [stdout]   --> src/alpha.rs:90:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | / impl<V> Alpha<V>
[INFO] [stdout] 15 | | where
[INFO] [stdout] 16 | |     V: Clone,
[INFO] [stdout]    | |_____________- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 90 |       fn read(&mut self, round: Round) -> ReadResponse<V> {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 98 |       fn write(&mut self, value: Value<V>) -> WriteResponse {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `last_round_with_write` is never read
[INFO] [stdout]    --> src/alpha.rs:120:5
[INFO] [stdout]     |
[INFO] [stdout] 118 | struct Value<V> {
[INFO] [stdout]     |        ----- field in this struct
[INFO] [stdout] 119 |     value: V,
[INFO] [stdout] 120 |     last_round_with_write: Round,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Value` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `round` is never read
[INFO] [stdout]    --> src/alpha.rs:169:5
[INFO] [stdout]     |
[INFO] [stdout] 168 | struct WriteResponse {
[INFO] [stdout]     |        ------------- field in this struct
[INFO] [stdout] 169 |     round: Round,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Proposer` is never constructed
[INFO] [stdout]  --> src/proposer.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Proposer<V, P, D> {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `propose` is never used
[INFO] [stdout]   --> src/proposer.rs:16:14
[INFO] [stdout]    |
[INFO] [stdout] 10 | / impl<V, P, D> Proposer<V, P, D>
[INFO] [stdout] 11 | | where
[INFO] [stdout] 12 | |     V: Clone,
[INFO] [stdout] 13 | |     D: FailureDetector,
[INFO] [stdout] 14 | |     P: WriteClient<V> + ReadClient<V> + Quorum,
[INFO] [stdout]    | |_______________________________________________- method in this implementation
[INFO] [stdout] 15 |   {
[INFO] [stdout] 16 |       async fn propose(&mut self, value: V) -> V {
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FailureDetector` is never used
[INFO] [stdout]   --> src/proposer.rs:32:7
[INFO] [stdout]    |
[INFO] [stdout] 32 | trait FailureDetector {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `ReadResponse<V>` is more private than the item `ReadClient::Stream`
[INFO] [stdout]    --> src/alpha.rs:175:5
[INFO] [stdout]     |
[INFO] [stdout] 175 |     type Stream: Stream<Item = Result<ReadResponse<V>, Self::Error>>;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ associated type `ReadClient::Stream` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `ReadResponse<V>` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/alpha.rs:163:1
[INFO] [stdout]     |
[INFO] [stdout] 163 | struct ReadResponse<V> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_bounds)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `WriteResponse` is more private than the item `WriteClient::Stream`
[INFO] [stdout]    --> src/alpha.rs:181:5
[INFO] [stdout]     |
[INFO] [stdout] 181 |     type Stream: Stream<Item = Result<WriteResponse, Self::Error>>;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ associated type `WriteClient::Stream` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `WriteResponse` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/alpha.rs:168:1
[INFO] [stdout]     |
[INFO] [stdout] 168 | struct WriteResponse {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Value<V>` is more private than the item `WriteClient::broadcast_write`
[INFO] [stdout]    --> src/alpha.rs:182:5
[INFO] [stdout]     |
[INFO] [stdout] 182 |     fn broadcast_write(&self, value: Value<V>) -> Self::Stream;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `WriteClient::broadcast_write` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `Value<V>` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/alpha.rs:118:1
[INFO] [stdout]     |
[INFO] [stdout] 118 | struct Value<V> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `read` and `write` are never used
[INFO] [stdout]   --> src/alpha.rs:90:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | / impl<V> Alpha<V>
[INFO] [stdout] 15 | | where
[INFO] [stdout] 16 | |     V: Clone,
[INFO] [stdout]    | |_____________- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 90 |       fn read(&mut self, round: Round) -> ReadResponse<V> {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 98 |       fn write(&mut self, value: Value<V>) -> WriteResponse {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `last_round_with_write` is never read
[INFO] [stdout]    --> src/alpha.rs:120:5
[INFO] [stdout]     |
[INFO] [stdout] 118 | struct Value<V> {
[INFO] [stdout]     |        ----- field in this struct
[INFO] [stdout] 119 |     value: V,
[INFO] [stdout] 120 |     last_round_with_write: Round,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Value` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `round` is never read
[INFO] [stdout]    --> src/alpha.rs:169:5
[INFO] [stdout]     |
[INFO] [stdout] 168 | struct WriteResponse {
[INFO] [stdout]     |        ------------- field in this struct
[INFO] [stdout] 169 |     round: Round,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Proposer` is never constructed
[INFO] [stdout]  --> src/proposer.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Proposer<V, P, D> {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `propose` is never used
[INFO] [stdout]   --> src/proposer.rs:16:14
[INFO] [stdout]    |
[INFO] [stdout] 10 | / impl<V, P, D> Proposer<V, P, D>
[INFO] [stdout] 11 | | where
[INFO] [stdout] 12 | |     V: Clone,
[INFO] [stdout] 13 | |     D: FailureDetector,
[INFO] [stdout] 14 | |     P: WriteClient<V> + ReadClient<V> + Quorum,
[INFO] [stdout]    | |_______________________________________________- method in this implementation
[INFO] [stdout] 15 |   {
[INFO] [stdout] 16 |       async fn propose(&mut self, value: V) -> V {
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FailureDetector` is never used
[INFO] [stdout]   --> src/proposer.rs:32:7
[INFO] [stdout]    |
[INFO] [stdout] 32 | trait FailureDetector {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.09s
[INFO] running `Command { std: "docker" "inspect" "a1d0998a20f8d6471472d591db5b8bbf4aa17b57a132520d2fa58e3210e8542a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1d0998a20f8d6471472d591db5b8bbf4aa17b57a132520d2fa58e3210e8542a", kill_on_drop: false }`
[INFO] [stdout] a1d0998a20f8d6471472d591db5b8bbf4aa17b57a132520d2fa58e3210e8542a
