[INFO] fetching crate ame-bus 1.2.1-alpha.3...
[INFO] checking ame-bus-1.2.1-alpha.3 against try#e117153a45c546e883c1f91d82611775fcaeffe0 for pr-146470-2
[INFO] extracting crate ame-bus 1.2.1-alpha.3 into /workspace/builds/worker-6-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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ame-bus 1.2.1-alpha.3 on toolchain e117153a45c546e883c1f91d82611775fcaeffe0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e117153a45c546e883c1f91d82611775fcaeffe0" "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" "+e117153a45c546e883c1f91d82611775fcaeffe0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+e117153a45c546e883c1f91d82611775fcaeffe0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87a9997e870f5e617472e1f23d2cef170fc18f8b8b837044a4a9a4d57fb2861c
[INFO] running `Command { std: "docker" "start" "-a" "87a9997e870f5e617472e1f23d2cef170fc18f8b8b837044a4a9a4d57fb2861c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87a9997e870f5e617472e1f23d2cef170fc18f8b8b837044a4a9a4d57fb2861c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87a9997e870f5e617472e1f23d2cef170fc18f8b8b837044a4a9a4d57fb2861c", kill_on_drop: false }`
[INFO] [stdout] 87a9997e870f5e617472e1f23d2cef170fc18f8b8b837044a4a9a4d57fb2861c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+e117153a45c546e883c1f91d82611775fcaeffe0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84086cc097a20fa1836b24bb65cab46eff1e58e05c627234275c9d84dece3353
[INFO] running `Command { std: "docker" "start" "-a" "84086cc097a20fa1836b24bb65cab46eff1e58e05c627234275c9d84dece3353", kill_on_drop: false }`
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[INFO] [stdout] error[E0446]: private type `KvReadError<<Self as KeyValue>::Value>` in public interface
[INFO] [stdout]    --> src/kv.rs:178:10
[INFO] [stdout]     |
[INFO] [stdout] 143 | enum KvReadError<V: ByteDeserialize> {
[INFO] [stdout]     | ------------------------------------ `KvReadError<<Self as KeyValue>::Value>` declared as private
[INFO] [stdout] ...
[INFO] [stdout] 178 |     ) -> impl Future<Output = Result<Option<Self>, KvReadError<Self::Value>>> + Send {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `KvReadError<<Self as KeyValue>::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<Output = Result<Option<Self>, KvReadError<Self::Value>>> + Send {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ opaque type `KeyValueRead::read_from::{anon_assoc#0}` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `KvReadError<<Self as KeyValue>::Value>` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/kv.rs:143:1
[INFO] [stdout]     |
[INFO] [stdout] 143 | enum KvReadError<V: ByteDeserialize> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_bounds)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0446]: private type `KvReadError<<Self as KeyValue>::Value>` in public interface
[INFO] [stdout]    --> src/kv.rs:198:10
[INFO] [stdout]     |
[INFO] [stdout] 143 | enum KvReadError<V: ByteDeserialize> {
[INFO] [stdout]     | ------------------------------------ `KvReadError<<Self as KeyValue>::Value>` declared as private
[INFO] [stdout] ...
[INFO] [stdout] 198 |     ) -> impl Future<Output = Result<Option<KvEntry<Self::Value>>, KvReadError<Self::Value>>> + Send
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `KvReadError<<Self as KeyValue>::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<Output = Result<Option<KvEntry<Self::Value>>, KvReadError<Self::Value>>> + 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<<Self as KeyValue>::Value>` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/kv.rs:143:1
[INFO] [stdout]     |
[INFO] [stdout] 143 | enum KvReadError<V: ByteDeserialize> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0446]: private type `KvReadError<<Self as KeyValue>::Value>` in public interface
[INFO] [stdout]    --> src/kv.rs:214:10
[INFO] [stdout]     |
[INFO] [stdout] 143 | enum KvReadError<V: ByteDeserialize> {
[INFO] [stdout]     | ------------------------------------ `KvReadError<<Self as KeyValue>::Value>` declared as private
[INFO] [stdout] ...
[INFO] [stdout] 214 |     ) -> impl Future<Output = Result<Option<KvEntry<Self::Value>>, KvReadError<Self::Value>>> + Send
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `KvReadError<<Self as KeyValue>::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<Output = Result<Option<KvEntry<Self::Value>>, KvReadError<Self::Value>>> + 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<<Self as KeyValue>::Value>` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/kv.rs:143:1
[INFO] [stdout]     |
[INFO] [stdout] 143 | enum KvReadError<V: ByteDeserialize> {
[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] [stdout] error[E0446]: private type `KvReadError<<Self as KeyValue>::Value>` in public interface
[INFO] [stdout]    --> src/kv.rs:178:10
[INFO] [stdout]     |
[INFO] [stdout] 143 | enum KvReadError<V: ByteDeserialize> {
[INFO] [stdout]     | ------------------------------------ `KvReadError<<Self as KeyValue>::Value>` declared as private
[INFO] [stdout] ...
[INFO] [stdout] 178 |     ) -> impl Future<Output = Result<Option<Self>, KvReadError<Self::Value>>> + Send {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `KvReadError<<Self as KeyValue>::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<Output = Result<Option<Self>, KvReadError<Self::Value>>> + Send {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ opaque type `KeyValueRead::read_from::{anon_assoc#0}` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `KvReadError<<Self as KeyValue>::Value>` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/kv.rs:143:1
[INFO] [stdout]     |
[INFO] [stdout] 143 | enum KvReadError<V: ByteDeserialize> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_bounds)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0446]: private type `KvReadError<<Self as KeyValue>::Value>` in public interface
[INFO] [stdout]    --> src/kv.rs:198:10
[INFO] [stdout]     |
[INFO] [stdout] 143 | enum KvReadError<V: ByteDeserialize> {
[INFO] [stdout]     | ------------------------------------ `KvReadError<<Self as KeyValue>::Value>` declared as private
[INFO] [stdout] ...
[INFO] [stdout] 198 |     ) -> impl Future<Output = Result<Option<KvEntry<Self::Value>>, KvReadError<Self::Value>>> + Send
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `KvReadError<<Self as KeyValue>::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<Output = Result<Option<KvEntry<Self::Value>>, KvReadError<Self::Value>>> + 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<<Self as KeyValue>::Value>` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/kv.rs:143:1
[INFO] [stdout]     |
[INFO] [stdout] 143 | enum KvReadError<V: ByteDeserialize> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0446]: private type `KvReadError<<Self as KeyValue>::Value>` in public interface
[INFO] [stdout]    --> src/kv.rs:214:10
[INFO] [stdout]     |
[INFO] [stdout] 143 | enum KvReadError<V: ByteDeserialize> {
[INFO] [stdout]     | ------------------------------------ `KvReadError<<Self as KeyValue>::Value>` declared as private
[INFO] [stdout] ...
[INFO] [stdout] 214 |     ) -> impl Future<Output = Result<Option<KvEntry<Self::Value>>, KvReadError<Self::Value>>> + Send
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `KvReadError<<Self as KeyValue>::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<Output = Result<Option<KvEntry<Self::Value>>, KvReadError<Self::Value>>> + 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<<Self as KeyValue>::Value>` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/kv.rs:143:1
[INFO] [stdout]     |
[INFO] [stdout] 143 | enum KvReadError<V: ByteDeserialize> {
[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 test) due to 3 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "84086cc097a20fa1836b24bb65cab46eff1e58e05c627234275c9d84dece3353", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84086cc097a20fa1836b24bb65cab46eff1e58e05c627234275c9d84dece3353", kill_on_drop: false }`
[INFO] [stdout] 84086cc097a20fa1836b24bb65cab46eff1e58e05c627234275c9d84dece3353
