[INFO] fetching crate ame-bus 1.2.1-alpha.3... [INFO] testing ame-bus-1.2.1-alpha.3 against beta-2026-04-21 for beta-1.96-1 [INFO] extracting crate ame-bus 1.2.1-alpha.3 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate ame-bus 1.2.1-alpha.3 [INFO] finished tweaking crates.io crate ame-bus 1.2.1-alpha.3 [INFO] tweaked toml for crates.io crate ame-bus 1.2.1-alpha.3 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate ame-bus 1.2.1-alpha.3 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 ame-bus 1.2.1-alpha.3 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 }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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_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" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 102ba3a3e227000972fc35b45a90cab15fdf06dd42f7a0dabcf952f8e1eb8fff [INFO] running `Command { std: "docker" "start" "-a" "102ba3a3e227000972fc35b45a90cab15fdf06dd42f7a0dabcf952f8e1eb8fff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "102ba3a3e227000972fc35b45a90cab15fdf06dd42f7a0dabcf952f8e1eb8fff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "102ba3a3e227000972fc35b45a90cab15fdf06dd42f7a0dabcf952f8e1eb8fff", kill_on_drop: false }` [INFO] [stdout] 102ba3a3e227000972fc35b45a90cab15fdf06dd42f7a0dabcf952f8e1eb8fff [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" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ed6f6bab5954e193b3781e4ad7dbdbc2282052ab3c5c7d852cef49fe5fe31ffc [INFO] running `Command { std: "docker" "start" "-a" "ed6f6bab5954e193b3781e4ad7dbdbc2282052ab3c5c7d852cef49fe5fe31ffc", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.93 [INFO] [stderr] Compiling unicode-ident v1.0.17 [INFO] [stderr] Compiling serde v1.0.218 [INFO] [stderr] Compiling smallvec v1.14.0 [INFO] [stderr] Compiling semver v1.0.25 [INFO] [stderr] Compiling cc v1.2.15 [INFO] [stderr] Compiling base64ct v1.6.0 [INFO] [stderr] Compiling futures-channel v0.3.31 [INFO] [stderr] Compiling digest v0.10.7 [INFO] [stderr] Compiling rustls v0.23.23 [INFO] [stderr] Compiling itoa v1.0.14 [INFO] [stderr] Compiling portable-atomic v1.10.0 [INFO] [stderr] Compiling serde_json v1.0.139 [INFO] [stderr] Compiling ryu v1.0.19 [INFO] [stderr] Compiling anyhow v1.0.96 [INFO] [stderr] Compiling rustls-native-certs v0.7.3 [INFO] [stderr] Compiling convert_case v0.7.1 [INFO] [stderr] Compiling pem-rfc7468 v0.7.0 [INFO] [stderr] Compiling signature v2.2.0 [INFO] [stderr] Compiling sha2 v0.10.8 [INFO] [stderr] Compiling castaway v0.2.3 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Compiling der v0.7.9 [INFO] [stderr] Compiling ed25519 v2.2.3 [INFO] [stderr] Compiling parking_lot v0.12.3 [INFO] [stderr] Compiling rustc_version v0.4.1 [INFO] [stderr] Compiling curve25519-dalek v4.1.3 [INFO] [stderr] Compiling quote v1.0.38 [INFO] [stderr] Compiling ring v0.17.11 [INFO] [stderr] Compiling spki v0.7.3 [INFO] [stderr] Compiling syn v2.0.98 [INFO] [stderr] Compiling pkcs8 v0.10.2 [INFO] [stderr] Compiling signatory v0.27.1 [INFO] [stderr] Compiling synstructure v0.13.1 [INFO] [stderr] Compiling rustls-webpki v0.102.8 [INFO] [stderr] Compiling zerofrom-derive v0.1.5 [INFO] [stderr] Compiling yoke-derive v0.7.5 [INFO] [stderr] Compiling zerovec-derive v0.10.3 [INFO] [stderr] Compiling serde_derive v1.0.218 [INFO] [stderr] Compiling displaydoc v0.2.5 [INFO] [stderr] Compiling icu_provider_macros v1.5.0 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling tokio-macros v2.5.0 [INFO] [stderr] Compiling curve25519-dalek-derive v0.1.1 [INFO] [stderr] Compiling pin-project-internal v1.1.9 [INFO] [stderr] Compiling tracing-attributes v0.1.28 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling serde_repr v0.1.19 [INFO] [stderr] Compiling ame_bus_macros v0.3.0-alpha.2 [INFO] [stderr] Compiling async-trait v0.1.86 [INFO] [stderr] Compiling zerocopy v0.7.35 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling pin-project v1.1.9 [INFO] [stderr] Compiling zerofrom v0.1.5 [INFO] [stderr] Compiling tracing v0.1.41 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Compiling ed25519-dalek v2.1.1 [INFO] [stderr] Compiling yoke v0.7.5 [INFO] [stderr] Compiling zerovec v0.10.4 [INFO] [stderr] Compiling ppv-lite86 v0.2.20 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling tinystr v0.7.6 [INFO] [stderr] Compiling icu_collections v1.5.0 [INFO] [stderr] Compiling icu_locid v1.5.0 [INFO] [stderr] Compiling nkeys v0.4.4 [INFO] [stderr] Compiling nuid v0.5.0 [INFO] [stderr] Compiling icu_provider v1.5.0 [INFO] [stderr] Compiling icu_locid_transform v1.5.0 [INFO] [stderr] Compiling futures-executor v0.3.31 [INFO] [stderr] Compiling futures v0.3.31 [INFO] [stderr] Compiling icu_properties v1.5.1 [INFO] [stderr] Compiling bytes v1.10.0 [INFO] [stderr] Compiling deranged v0.4.1 [INFO] [stderr] Compiling serde_nanos v0.1.4 [INFO] [stderr] Compiling icu_normalizer v1.5.0 [INFO] [stderr] Compiling tokio v1.43.0 [INFO] [stderr] Compiling compact_str v0.9.0 [INFO] [stderr] Compiling idna_adapter v1.2.0 [INFO] [stderr] Compiling idna v1.0.3 [INFO] [stderr] Compiling time v0.3.41 [INFO] [stderr] Compiling url v2.5.4 [INFO] [stderr] Compiling tokio-rustls v0.26.1 [INFO] [stderr] Compiling tokio-util v0.7.13 [INFO] [stderr] Compiling tryhard v0.5.1 [INFO] [stderr] Compiling async-nats v0.40.0 [INFO] [stderr] Compiling ame-bus v1.2.1-alpha.3 (/opt/rustwide/workdir) [INFO] [stdout] error[E0446]: private type `KvReadError<::Value>` in public interface [INFO] [stdout] --> src/kv.rs:178:10 [INFO] [stdout] | [INFO] [stdout] 143 | enum KvReadError { [INFO] [stdout] | ------------------------------------ `KvReadError<::Value>` declared as private [INFO] [stdout] ... [INFO] [stdout] 178 | ) -> impl Future, KvReadError>> + Send { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `KvReadError<::Value>` is more private than the item `KeyValueRead::read_from::{anon_assoc#0}` [INFO] [stdout] --> src/kv.rs:178:10 [INFO] [stdout] | [INFO] [stdout] 178 | ) -> impl Future, KvReadError>> + Send { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ opaque type `KeyValueRead::read_from::{anon_assoc#0}` is reachable at visibility `pub` [INFO] [stdout] | [INFO] [stdout] note: but type `KvReadError<::Value>` is only usable at visibility `pub(self)` [INFO] [stdout] --> src/kv.rs:143:1 [INFO] [stdout] | [INFO] [stdout] 143 | enum KvReadError { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_bounds)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0446]: private type `KvReadError<::Value>` in public interface [INFO] [stdout] --> src/kv.rs:198:10 [INFO] [stdout] | [INFO] [stdout] 143 | enum KvReadError { [INFO] [stdout] | ------------------------------------ `KvReadError<::Value>` declared as private [INFO] [stdout] ... [INFO] [stdout] 198 | ) -> impl Future>, KvReadError>> + Send [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `KvReadError<::Value>` is more private than the item `KeyValueRead::atomic_read_from::{anon_assoc#0}` [INFO] [stdout] --> src/kv.rs:198:10 [INFO] [stdout] | [INFO] [stdout] 198 | ) -> impl Future>, KvReadError>> + Send [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ opaque type `KeyValueRead::atomic_read_from::{anon_assoc#0}` is reachable at visibility `pub` [INFO] [stdout] | [INFO] [stdout] note: but type `KvReadError<::Value>` is only usable at visibility `pub(self)` [INFO] [stdout] --> src/kv.rs:143:1 [INFO] [stdout] | [INFO] [stdout] 143 | enum KvReadError { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0446]: private type `KvReadError<::Value>` in public interface [INFO] [stdout] --> src/kv.rs:214:10 [INFO] [stdout] | [INFO] [stdout] 143 | enum KvReadError { [INFO] [stdout] | ------------------------------------ `KvReadError<::Value>` declared as private [INFO] [stdout] ... [INFO] [stdout] 214 | ) -> impl Future>, KvReadError>> + Send [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `KvReadError<::Value>` is more private than the item `KeyValueRead::history_read_from::{anon_assoc#0}` [INFO] [stdout] --> src/kv.rs:214:10 [INFO] [stdout] | [INFO] [stdout] 214 | ) -> impl Future>, KvReadError>> + Send [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ opaque type `KeyValueRead::history_read_from::{anon_assoc#0}` is reachable at visibility `pub` [INFO] [stdout] | [INFO] [stdout] note: but type `KvReadError<::Value>` is only usable at visibility `pub(self)` [INFO] [stdout] --> src/kv.rs:143:1 [INFO] [stdout] | [INFO] [stdout] 143 | enum KvReadError { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0446`. [INFO] [stdout] [INFO] [stderr] error: could not compile `ame-bus` (lib) due to 3 previous errors; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "ed6f6bab5954e193b3781e4ad7dbdbc2282052ab3c5c7d852cef49fe5fe31ffc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ed6f6bab5954e193b3781e4ad7dbdbc2282052ab3c5c7d852cef49fe5fe31ffc", kill_on_drop: false }` [INFO] [stdout] ed6f6bab5954e193b3781e4ad7dbdbc2282052ab3c5c7d852cef49fe5fe31ffc