[INFO] fetching crate fluvio-stream-model 0.50.1...
[INFO] testing fluvio-stream-model-0.50.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate fluvio-stream-model 0.50.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate fluvio-stream-model 0.50.1
[INFO] finished tweaking crates.io crate fluvio-stream-model 0.50.1
[INFO] tweaked toml for crates.io crate fluvio-stream-model 0.50.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fluvio-stream-model 0.50.1 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fluvio-stream-model 0.50.1 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6558688b94c4f1bb957b2f619175a1206497d76664df533a252c4cd6e9ec0421
[INFO] running `Command { std: "docker" "start" "-a" "6558688b94c4f1bb957b2f619175a1206497d76664df533a252c4cd6e9ec0421", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6558688b94c4f1bb957b2f619175a1206497d76664df533a252c4cd6e9ec0421", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6558688b94c4f1bb957b2f619175a1206497d76664df533a252c4cd6e9ec0421", kill_on_drop: false }`
[INFO] [stdout] 6558688b94c4f1bb957b2f619175a1206497d76664df533a252c4cd6e9ec0421
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a55631cf3ff57ea7f602dc29e2d8c87ea6b030bdf641141a9dead637f6b3405
[INFO] running `Command { std: "docker" "start" "-a" "5a55631cf3ff57ea7f602dc29e2d8c87ea6b030bdf641141a9dead637f6b3405", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling parking v2.2.1
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling event-listener v5.4.0
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling async-lock v3.4.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling fluvio-stream-model v0.50.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/store/concurrent_hashmap.rs:80:22
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn try_write(&self) -> Option<RwLockWriteGuard<BTreeMap<K, V>>> {
[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] 80 |     pub fn try_write(&self) -> Option<RwLockWriteGuard<'_, BTreeMap<K, V>>> {
[INFO] [stdout]    |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.43s
[INFO] running `Command { std: "docker" "inspect" "5a55631cf3ff57ea7f602dc29e2d8c87ea6b030bdf641141a9dead637f6b3405", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a55631cf3ff57ea7f602dc29e2d8c87ea6b030bdf641141a9dead637f6b3405", kill_on_drop: false }`
[INFO] [stdout] 5a55631cf3ff57ea7f602dc29e2d8c87ea6b030bdf641141a9dead637f6b3405
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89e3416dd20f31ba4235d049ee69db12dea9d2d65a707365b1745c32335e510f
[INFO] running `Command { std: "docker" "start" "-a" "89e3416dd20f31ba4235d049ee69db12dea9d2d65a707365b1745c32335e510f", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling futures-lite v2.6.0
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling event-listener v5.4.0
[INFO] [stderr]    Compiling async-task v4.7.1
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling piper v0.2.4
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling async-lock v3.4.0
[INFO] [stderr]    Compiling async-channel v2.3.1
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling blocking v1.6.1
[INFO] [stderr]    Compiling async-executor v1.13.2
[INFO] [stderr]    Compiling nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling smallvec v1.15.0
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling matchers v0.1.0
[INFO] [stderr]    Compiling regex v1.10.6
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling fluvio-future-derive v0.2.0
[INFO] [stderr]    Compiling tokio v1.46.0
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling polling v3.8.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling fluvio-stream-model v0.50.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling async-io v2.4.1
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/store/concurrent_hashmap.rs:80:22
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn try_write(&self) -> Option<RwLockWriteGuard<BTreeMap<K, V>>> {
[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] 80 |     pub fn try_write(&self) -> Option<RwLockWriteGuard<'_, BTreeMap<K, V>>> {
[INFO] [stdout]    |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling async-global-executor v3.1.0
[INFO] [stderr]    Compiling fluvio-future v0.8.3
[INFO] [stdout] error[E0432]: unresolved import `serde`
[INFO] [stdout]    --> src/epoch/epoch_map.rs:353:9
[INFO] [stdout]     |
[INFO] [stdout] 353 |     use serde::{Serialize, Deserialize};
[INFO] [stdout]     |         ^^^^^ use of unresolved module or unlinked crate `serde`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serde`, use `cargo add serde` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fluvio-stream-model` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "89e3416dd20f31ba4235d049ee69db12dea9d2d65a707365b1745c32335e510f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89e3416dd20f31ba4235d049ee69db12dea9d2d65a707365b1745c32335e510f", kill_on_drop: false }`
[INFO] [stdout] 89e3416dd20f31ba4235d049ee69db12dea9d2d65a707365b1745c32335e510f
