[INFO] fetching crate pollination 0.1.0...
[INFO] testing pollination-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate pollination 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate pollination 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate pollination 0.1.0
[INFO] tweaked toml for crates.io crate pollination 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pollination 0.1.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate pollination 0.1.0 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 69543dbb67f07e607edc5cc46c98f455e36e97f35dedfe9c330ac01414f9457c
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[INFO] [stdout] 69543dbb67f07e607edc5cc46c98f455e36e97f35dedfe9c330ac01414f9457c
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[INFO] [stdout] 74c94922ead569be5467a7f16a7535591586af3ff8a17ec99c866f7b9fcdafca
[INFO] running `Command { std: "docker" "start" "-a" "74c94922ead569be5467a7f16a7535591586af3ff8a17ec99c866f7b9fcdafca", kill_on_drop: false }`
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[INFO] [stderr]    Compiling pollination v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `clock` and `router` are never read
[INFO] [stdout]   --> src/flower.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Flower<E: Engine, C, R> {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |     clock: C,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 19 |     router: R,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `old_core` is never read
[INFO] [stdout]    --> src/pollination.rs:467:9
[INFO] [stdout]     |
[INFO] [stdout] 465 | pub struct PollinationResponse<A> {
[INFO] [stdout]     |            ------------------- field in this struct
[INFO] [stdout] 466 |     pub response: Option<PollinationMessage>,
[INFO] [stdout] 467 |     pub old_core: Option<PollinationNode<A>>,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `force_propagating` is never used
[INFO] [stdout]   --> src/propagativity.rs:38:19
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl<T: TimeoutProvider> Propagativity<T> {
[INFO] [stdout]    | ----------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub(crate) fn force_propagating(&mut self) {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `peer_id` and `peer_ts` are never read
[INFO] [stdout]   --> src/connection.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct Connection {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 10 |     pub(crate) peer_id: Option<IdTree>,
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout] 11 |     pub(crate) peer_ts: Option<EventTree>,
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Connection` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 15s
[INFO] running `Command { std: "docker" "inspect" "74c94922ead569be5467a7f16a7535591586af3ff8a17ec99c866f7b9fcdafca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74c94922ead569be5467a7f16a7535591586af3ff8a17ec99c866f7b9fcdafca", kill_on_drop: false }`
[INFO] [stdout] 74c94922ead569be5467a7f16a7535591586af3ff8a17ec99c866f7b9fcdafca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34289527991b60bad9e57772355a50725cfa36d06646ecd6c6956bb536002119
[INFO] running `Command { std: "docker" "start" "-a" "34289527991b60bad9e57772355a50725cfa36d06646ecd6c6956bb536002119", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracing-serde v0.2.0
[INFO] [stderr]    Compiling anstyle-query v1.1.3
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling clap_derive v4.5.41
[INFO] [stderr]    Compiling console v0.15.11
[INFO] [stderr]    Compiling similar v2.7.0
[INFO] [stderr]    Compiling anstream v0.6.19
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling clap_builder v4.5.42
[INFO] [stderr]    Compiling insta v1.43.1
[INFO] [stderr]    Compiling tracing-test v0.2.5
[INFO] [stderr]    Compiling pollination v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling clap v4.5.42
[INFO] [stdout] warning: fields `clock` and `router` are never read
[INFO] [stdout]   --> src/flower.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Flower<E: Engine, C, R> {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |     clock: C,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 19 |     router: R,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `old_core` is never read
[INFO] [stdout]    --> src/pollination.rs:467:9
[INFO] [stdout]     |
[INFO] [stdout] 465 | pub struct PollinationResponse<A> {
[INFO] [stdout]     |            ------------------- field in this struct
[INFO] [stdout] 466 |     pub response: Option<PollinationMessage>,
[INFO] [stdout] 467 |     pub old_core: Option<PollinationNode<A>>,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `force_propagating` is never used
[INFO] [stdout]   --> src/propagativity.rs:38:19
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl<T: TimeoutProvider> Propagativity<T> {
[INFO] [stdout]    | ----------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub(crate) fn force_propagating(&mut self) {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `peer_id` and `peer_ts` are never read
[INFO] [stdout]   --> src/connection.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct Connection {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 10 |     pub(crate) peer_id: Option<IdTree>,
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout] 11 |     pub(crate) peer_ts: Option<EventTree>,
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Connection` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `florescence` in this scope
[INFO] [stdout]  --> examples/basic_axum.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use florescence::{Flower, engine::axum::AxumEngine};
[INFO] [stdout]   |     ^^^^^^^^^^^ use of unresolved module or unlinked crate `florescence`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `florescence`, use `cargo add florescence` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `florescence`
[INFO] [stdout]  --> examples/basic_axum.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use florescence::{Flower, engine::axum::AxumEngine};
[INFO] [stdout]   |     ^^^^^^^^^^^ use of unresolved module or unlinked crate `florescence`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `florescence`, use `cargo add florescence` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Rng` in this scope
[INFO] [stdout]    --> src/pollination.rs:619:27
[INFO] [stdout]     |
[INFO] [stdout] 619 |     fn notify_of_death<R: Rng>(
[INFO] [stdout]     |                           ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Rng` in this scope
[INFO] [stdout]    --> src/pollination.rs:646:20
[INFO] [stdout]     |
[INFO] [stdout] 646 |     fn sync_two<R: Rng>(
[INFO] [stdout]     |                    ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::engine::Engine`
[INFO] [stdout]    --> src/pollination.rs:531:9
[INFO] [stdout]     |
[INFO] [stdout] 531 |     use crate::engine::Engine;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stdout]    --> src/pollination.rs:541:30
[INFO] [stdout]     |
[INFO] [stdout] 541 |             let seed = rand::thread_rng().random();
[INFO] [stdout]     |                              ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pollination` (example "basic_axum") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0433]: cannot find type `StdRng` in this scope
[INFO] [stdout]    --> src/pollination.rs:554:23
[INFO] [stdout]     |
[INFO] [stdout] 554 |         let mut rng = StdRng::seed_from_u64(seed);
[INFO] [stdout]     |                       ^^^^^^ use of undeclared type `StdRng`
[INFO] [stdout]     |
[INFO] [stdout] help: a struct with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 554 -         let mut rng = StdRng::seed_from_u64(seed);
[INFO] [stdout] 554 +         let mut rng = String::seed_from_u64(seed);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pollination` (lib test) due to 3 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "34289527991b60bad9e57772355a50725cfa36d06646ecd6c6956bb536002119", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34289527991b60bad9e57772355a50725cfa36d06646ecd6c6956bb536002119", kill_on_drop: false }`
[INFO] [stdout] 34289527991b60bad9e57772355a50725cfa36d06646ecd6c6956bb536002119
