[INFO] fetching crate rmqtt-retainer 0.17.1...
[INFO] testing rmqtt-retainer-0.17.1 against 1.91.0 for beta-1.92-2
[INFO] extracting crate rmqtt-retainer 0.17.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate rmqtt-retainer 0.17.1
[INFO] finished tweaking crates.io crate rmqtt-retainer 0.17.1
[INFO] tweaked toml for crates.io crate rmqtt-retainer 0.17.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rmqtt-retainer 0.17.1 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rmqtt-retainer 0.17.1 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" "+1.91.0" "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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] [stderr]    Compiling rmqtt-retainer v0.17.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `json`
[INFO] [stdout]  --> src/lib.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 | use serde_json::{self, json};
[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: `Config`
[INFO] [stdout]   --> src/lib.rs:25:14
[INFO] [stdout]    |
[INFO] [stdout] 25 | use config::{Config, PluginConfig};
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/lib.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |           let (retainer, support_cluster) = match &mut cfg.write().await.storage {
[INFO] [stdout]    |  ___________________________________________-
[INFO] [stdout] 59 | |             #[cfg(feature = "ram")]
[INFO] [stdout] 60 | |             Some(Config::Ram) => (Retainer::Ram(RamRetainer::new(cfg.clone(), retain_enable.clone())), false),
[INFO] [stdout] 61 | |             #[cfg(any(feature = "sled", feature = "redis"))]
[INFO] [stdout] ...  |
[INFO] [stdout] 87 | |             None => return Err(anyhow!("No storage engine specified (ram, sled, or redis)")),
[INFO] [stdout] 88 | |         };
[INFO] [stdout]    | |_________- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 89 |
[INFO] [stdout] 90 |           Ok(Self { scx, register, cfg, retainer, support_cluster, retain_enable })
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0004]: non-exhaustive patterns: `&mut Some(_)` not covered
[INFO] [stdout]   --> src/lib.rs:58:49
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let (retainer, support_cluster) = match &mut cfg.write().await.storage {
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ pattern `&mut Some(_)` not covered
[INFO] [stdout]    |
[INFO] [stdout] note: `std::option::Option<Config>` defined here
[INFO] [stdout]   --> /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/option.rs:594:1
[INFO] [stdout]   ::: /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/option.rs:602:5
[INFO] [stdout]    |
[INFO] [stdout]    = note: not covered
[INFO] [stdout]    = note: the matched value is of type `&mut std::option::Option<Config>`
[INFO] [stdout]    = note: `Config` is uninhabited but is not being matched by value, so a wildcard `_` is required
[INFO] [stdout] help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown
[INFO] [stdout]    |
[INFO] [stdout] 87 ~             None => return Err(anyhow!("No storage engine specified (ram, sled, or redis)")),
[INFO] [stdout] 88 ~             &mut Some(_) => todo!(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0004]: non-exhaustive patterns: type `&Retainer` is non-empty
[INFO] [stdout]    --> src/lib.rs:213:15
[INFO] [stdout]     |
[INFO] [stdout] 213 |         match self {
[INFO] [stdout]     |               ^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `Retainer` defined here
[INFO] [stdout]    --> src/lib.rs:204:6
[INFO] [stdout]     |
[INFO] [stdout] 204 | enum Retainer {
[INFO] [stdout]     |      ^^^^^^^^
[INFO] [stdout]     = note: the matched value is of type `&Retainer`
[INFO] [stdout]     = note: references are always considered inhabited
[INFO] [stdout] help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern as shown
[INFO] [stdout]     |
[INFO] [stdout] 213 ~         match self {
[INFO] [stdout] 214 +             _ => todo!(),
[INFO] [stdout] 215 +         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0004]: non-exhaustive patterns: type `&Retainer` is non-empty
[INFO] [stdout]    --> src/lib.rs:222:15
[INFO] [stdout]     |
[INFO] [stdout] 222 |         match self {
[INFO] [stdout]     |               ^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `Retainer` defined here
[INFO] [stdout]    --> src/lib.rs:204:6
[INFO] [stdout]     |
[INFO] [stdout] 204 | enum Retainer {
[INFO] [stdout]     |      ^^^^^^^^
[INFO] [stdout]     = note: the matched value is of type `&Retainer`
[INFO] [stdout]     = note: references are always considered inhabited
[INFO] [stdout] help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern as shown
[INFO] [stdout]     |
[INFO] [stdout] 222 ~         match self {
[INFO] [stdout] 223 +             _ => todo!(),
[INFO] [stdout] 224 +         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/lib.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 145 |           let r: Box<dyn RetainStorage> = match self.retainer.clone() {
[INFO] [stdout]     |  _________________________________________-
[INFO] [stdout] 146 | |             #[cfg(feature = "ram")]
[INFO] [stdout] 147 | |             Retainer::Ram(r) => Box::new(r),
[INFO] [stdout] 148 | |             #[cfg(any(feature = "sled", feature = "redis"))]
[INFO] [stdout] 149 | |             Retainer::Storage(r) => Box::new(r),
[INFO] [stdout] 150 | |         };
[INFO] [stdout]     | |_________- any code following this expression is unreachable
[INFO] [stdout] 151 |           *self.scx.extends.retain_mut().await = r;
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `retainer`
[INFO] [stdout]    --> src/lib.rs:110:13
[INFO] [stdout]     |
[INFO] [stdout] 110 |         let retainer = self.retainer.clone();
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_retainer`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/lib.rs:145:41
[INFO] [stdout]     |
[INFO] [stdout] 145 |           let r: Box<dyn RetainStorage> = match self.retainer.clone() {
[INFO] [stdout]     |                                           ^     --------------------- any code following this expression is unreachable
[INFO] [stdout]     |  _________________________________________|
[INFO] [stdout]     | |
[INFO] [stdout] 146 | |             #[cfg(feature = "ram")]
[INFO] [stdout] 147 | |             Retainer::Ram(r) => Box::new(r),
[INFO] [stdout] 148 | |             #[cfg(any(feature = "sled", feature = "redis"))]
[INFO] [stdout] 149 | |             Retainer::Storage(r) => Box::new(r),
[INFO] [stdout] 150 | |         };
[INFO] [stdout]     | |_________^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout] note: this expression has type `Retainer`, which is uninhabited
[INFO] [stdout]    --> src/lib.rs:145:47
[INFO] [stdout]     |
[INFO] [stdout] 145 |         let r: Box<dyn RetainStorage> = match self.retainer.clone() {
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/lib.rs:145:13
[INFO] [stdout]     |
[INFO] [stdout] 145 |         let r: Box<dyn RetainStorage> = match self.retainer.clone() {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0004`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rmqtt-retainer` (lib) due to 3 previous errors; 7 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a734fe0f4363121768795e71538206d661aa12966cb6111638777b81a9761672", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a734fe0f4363121768795e71538206d661aa12966cb6111638777b81a9761672", kill_on_drop: false }`
[INFO] [stdout] a734fe0f4363121768795e71538206d661aa12966cb6111638777b81a9761672
