[INFO] fetching crate async-graphql 2.9.11...
[INFO] checking async-graphql-2.9.11 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate async-graphql 2.9.11 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate async-graphql 2.9.11 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-graphql 2.9.11
[INFO] finished tweaking crates.io crate async-graphql 2.9.11
[INFO] tweaked toml for crates.io crate async-graphql 2.9.11 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bson v2.0.0-beta.3
[INFO] [stderr]   Downloaded opentelemetry v0.16.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28f7a302655709dac9582039c5c5f5887d248f701012e1624da7c222191c7640
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "28f7a302655709dac9582039c5c5f5887d248f701012e1624da7c222191c7640", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28f7a302655709dac9582039c5c5f5887d248f701012e1624da7c222191c7640", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28f7a302655709dac9582039c5c5f5887d248f701012e1624da7c222191c7640", kill_on_drop: false }`
[INFO] [stdout] 28f7a302655709dac9582039c5c5f5887d248f701012e1624da7c222191c7640
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31debb60c412432ae7e2a8d86dcfa7c5f2fdb9db66c27ddb03935d7c274f3bd4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "31debb60c412432ae7e2a8d86dcfa7c5f2fdb9db66c27ddb03935d7c274f3bd4", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
[INFO] [stderr] When building the following dependencies, the given features will no longer be used:
[INFO] [stderr] 
[INFO] [stderr]   itoa v0.4.7 (as host dependency): default, std
[INFO] [stderr]   memchr v2.4.0 (as host dependency): use_std
[INFO] [stderr] 
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling tokio v1.10.0
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]     Checking async-graphql v2.9.11 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/directive.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/mutation.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/mut_args.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/subscription_websocket_subscriptions_transport_ws.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/input_value.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/batch_request.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/result.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/complex_object.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/default_value.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/binary.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/schema.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/error_ext.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/maybe_undefined.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/field_features.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/rename.rs from 2018 edition to 2021
[INFO] [stdout] error[E0432]: unresolved import `futures_util::SinkExt`
[INFO] [stdout]  --> tests/subscription_websocket_subscriptions_transport_ws.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures_util::SinkExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^ no `SinkExt` in `futures_util`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/subscription_websocket_subscriptions_transport_ws.rs:22:40
[INFO] [stdout]    |
[INFO] [stdout] 22 |         async fn values(&self) -> impl Stream<Item = i32> {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream<Item = i32>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `--force-warn bare-trait-objects` implied by `--force-warn rust-2021-compatibility`
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/subscription_websocket_subscriptions_transport_ws.rs:22:40
[INFO] [stdout]    |
[INFO] [stdout] 22 |         async fn values(&self) -> impl Stream<Item = i32> {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream<Item = i32>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/subscription_websocket_subscriptions_transport_ws.rs:100:66
[INFO] [stdout]     |
[INFO] [stdout] 100 |         async fn values(&self, ctx: &Context<'_>) -> Result<impl Stream<Item = i32>> {
[INFO] [stdout]     |                                                                  ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream<Item = i32>>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/subscription_websocket_subscriptions_transport_ws.rs:207:40
[INFO] [stdout]     |
[INFO] [stdout] 207 |         async fn events(&self) -> impl Stream<Item = Event> {
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream<Item = Event>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/subscription_websocket_subscriptions_transport_ws.rs:288:40
[INFO] [stdout]     |
[INFO] [stdout] 288 |         async fn events(&self) -> impl Stream<Item = i32> {
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream<Item = i32>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating tests/scalar.rs from 2018 edition to 2021
[INFO] [stdout] error[E0599]: no method named `send` found for struct `futures_channel::mpsc::UnboundedSender` in the current scope
[INFO] [stdout]   --> tests/subscription_websocket_subscriptions_transport_ws.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 |     tx.send(
[INFO] [stdout]    |        ^^^^ method not found in `futures_channel::mpsc::UnboundedSender<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `send` found for struct `futures_channel::mpsc::UnboundedSender` in the current scope
[INFO] [stdout]   --> tests/subscription_websocket_subscriptions_transport_ws.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 |     tx.send(
[INFO] [stdout]    |        ^^^^ method not found in `futures_channel::mpsc::UnboundedSender<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `send` found for struct `futures_channel::mpsc::UnboundedSender` in the current scope
[INFO] [stdout]    --> tests/subscription_websocket_subscriptions_transport_ws.rs:127:8
[INFO] [stdout]     |
[INFO] [stdout] 127 |     tx.send(
[INFO] [stdout]     |        ^^^^ method not found in `futures_channel::mpsc::UnboundedSender<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `send` found for struct `futures_channel::mpsc::UnboundedSender` in the current scope
[INFO] [stdout]    --> tests/subscription_websocket_subscriptions_transport_ws.rs:144:8
[INFO] [stdout]     |
[INFO] [stdout] 144 |     tx.send(
[INFO] [stdout]     |        ^^^^ method not found in `futures_channel::mpsc::UnboundedSender<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating tests/subscription.rs from 2018 edition to 2021
[INFO] [stdout] error[E0599]: no method named `send` found for struct `futures_channel::mpsc::UnboundedSender` in the current scope
[INFO] [stdout]    --> tests/subscription_websocket_subscriptions_transport_ws.rs:216:8
[INFO] [stdout]     |
[INFO] [stdout] 216 |     tx.send(
[INFO] [stdout]     |        ^^^^ method not found in `futures_channel::mpsc::UnboundedSender<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `send` found for struct `futures_channel::mpsc::UnboundedSender` in the current scope
[INFO] [stdout]    --> tests/subscription_websocket_subscriptions_transport_ws.rs:232:8
[INFO] [stdout]     |
[INFO] [stdout] 232 |     tx.send(
[INFO] [stdout]     |        ^^^^ method not found in `futures_channel::mpsc::UnboundedSender<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `send` found for struct `futures_channel::mpsc::UnboundedSender` in the current scope
[INFO] [stdout]    --> tests/subscription_websocket_subscriptions_transport_ws.rs:297:8
[INFO] [stdout]     |
[INFO] [stdout] 297 |     tx.send(
[INFO] [stdout]     |        ^^^^ method not found in `futures_channel::mpsc::UnboundedSender<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `send` found for struct `futures_channel::mpsc::UnboundedSender` in the current scope
[INFO] [stdout]    --> tests/subscription_websocket_subscriptions_transport_ws.rs:313:8
[INFO] [stdout]     |
[INFO] [stdout] 313 |     tx.send(
[INFO] [stdout]     |        ^^^^ method not found in `futures_channel::mpsc::UnboundedSender<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `send` found for struct `futures_channel::mpsc::UnboundedSender` in the current scope
[INFO] [stdout]    --> tests/subscription_websocket_subscriptions_transport_ws.rs:348:8
[INFO] [stdout]     |
[INFO] [stdout] 348 |     tx.send(
[INFO] [stdout]     |        ^^^^ method not found in `futures_channel::mpsc::UnboundedSender<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `send` found for struct `futures_channel::mpsc::UnboundedSender` in the current scope
[INFO] [stdout]    --> tests/subscription_websocket_subscriptions_transport_ws.rs:364:8
[INFO] [stdout]     |
[INFO] [stdout] 364 |     tx.send(
[INFO] [stdout]     |        ^^^^ method not found in `futures_channel::mpsc::UnboundedSender<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `send` found for struct `futures_channel::mpsc::UnboundedSender` in the current scope
[INFO] [stdout]    --> tests/subscription_websocket_subscriptions_transport_ws.rs:410:8
[INFO] [stdout]     |
[INFO] [stdout] 410 |     tx.send(
[INFO] [stdout]     |        ^^^^ method not found in `futures_channel::mpsc::UnboundedSender<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 12 previous errors; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `async-graphql` due to 13 previous errors; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: failed to automatically apply fixes suggested by rustc to crate `result`
[INFO] [stderr] 
[INFO] [stderr] after fixes were automatically applied the compiler reported errors within these files:
[INFO] [stderr] 
[INFO] [stderr]   * tests/result.rs
[INFO] [stderr] 
[INFO] [stderr] This likely indicates a bug in either rustc or cargo itself,
[INFO] [stderr] and we would appreciate a bug report! You're likely to see 
[INFO] [stderr] a number of compiler warnings after this message which cargo
[INFO] [stderr] attempted to fix but failed. If you could open an issue at
[INFO] [stderr] https://github.com/rust-lang/rust/issues
[INFO] [stderr] quoting the full output of this command we'd be very appreciative!
[INFO] [stderr] Note that you may be able to make some more progress in the near-term
[INFO] [stderr] fixing code with the `--broken-code` flag
[INFO] [stderr] 
[INFO] [stderr] The following errors were reported:
[INFO] [stderr] error: invalid `dyn` keyword
[INFO] [stderr]    --> tests/result.rs:130:47
[INFO] [stderr]     |
[INFO] [stderr] 130 |         async fn value1(&self) -> Result<impl dyn Stream<Item = i32>, MyError> {
[INFO] [stderr]     |                                               ^^^ help: remove this keyword
[INFO] [stderr]     |
[INFO] [stderr]     = help: `dyn` is only needed at the start of a trait `+`-separated list
[INFO] [stderr] 
[INFO] [stderr] error: invalid `dyn` keyword
[INFO] [stderr]    --> tests/result.rs:134:40
[INFO] [stderr]     |
[INFO] [stderr] 134 |         async fn value2(&self) -> impl dyn Stream<Item = Result<i32, MyError>> {
[INFO] [stderr]     |                                        ^^^ help: remove this keyword
[INFO] [stderr]     |
[INFO] [stderr]     = help: `dyn` is only needed at the start of a trait `+`-separated list
[INFO] [stderr] 
[INFO] [stderr] error: expected `,`
[INFO] [stderr]    --> tests/result.rs:130:51
[INFO] [stderr]     |
[INFO] [stderr] 130 |         async fn value1(&self) -> Result<impl dyn Stream<Item = i32>, MyError> {
[INFO] [stderr]     |                                                   ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures_util::stream::Stream`
[INFO] [stderr]  --> tests/result.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use futures_util::stream::Stream;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Original diagnostics will follow.
[INFO] [stderr] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/result.rs:130:47
[INFO] [stdout]     |
[INFO] [stdout] 130 |         async fn value1(&self) -> Result<impl Stream<Item = i32>, MyError> {
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream<Item = i32>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `--force-warn bare-trait-objects` implied by `--force-warn rust-2021-compatibility`
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/result.rs:134:40
[INFO] [stdout]     |
[INFO] [stdout] 134 |         async fn value2(&self) -> impl Stream<Item = Result<i32, MyError>> {
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream<Item = Result<i32, MyError>>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/result.rs:130:47
[INFO] [stdout]     |
[INFO] [stdout] 130 |         async fn value1(&self) -> Result<impl Stream<Item = i32>, MyError> {
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream<Item = i32>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: failed to automatically apply fixes suggested by rustc to crate `field_features`
[INFO] [stderr] 
[INFO] [stderr] after fixes were automatically applied the compiler reported errors within these files:
[INFO] [stderr] 
[INFO] [stderr]   * tests/field_features.rs
[INFO] [stderr] 
[INFO] [stderr] This likely indicates a bug in either rustc or cargo itself,
[INFO] [stderr] and we would appreciate a bug report! You're likely to see 
[INFO] [stderr] a number of compiler warnings after this message which cargo
[INFO] [stderr] attempted to fix but failed. If you could open an issue at
[INFO] [stderr] https://github.com/rust-lang/rust/issues
[INFO] [stderr] quoting the full output of this command we'd be very appreciative!
[INFO] [stderr] Note that you may be able to make some more progress in the near-term
[INFO] [stderr] fixing code with the `--broken-code` flag
[INFO] [stderr] 
[INFO] [stderr] The following errors were reported:
[INFO] [stderr] error: invalid `dyn` keyword
[INFO] [stderr]   --> tests/field_features.rs:21:40
[INFO] [stderr]    |
[INFO] [stderr] 21 |         async fn values(&self) -> impl dyn Stream<Item = i32> {
[INFO] [stderr]    |                                        ^^^ help: remove this keyword
[INFO] [stderr]    |
[INFO] [stderr]    = help: `dyn` is only needed at the start of a trait `+`-separated list
[INFO] [stderr] 
[INFO] [stderr] error: expected curly braces
[INFO] [stderr]   --> tests/field_features.rs:21:44
[INFO] [stderr]    |
[INFO] [stderr] 21 |         async fn values(&self) -> impl dyn Stream<Item = i32> {
[INFO] [stderr]    |                                            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `StreamExt`, `Stream`
[INFO] [stderr]  --> tests/field_features.rs:4:28
[INFO] [stderr]   |
[INFO] [stderr] 4 | use futures_util::stream::{Stream, StreamExt};
[INFO] [stderr]   |                            ^^^^^^  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Original diagnostics will follow.
[INFO] [stderr] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/field_features.rs:21:40
[INFO] [stdout]    |
[INFO] [stdout] 21 |         async fn values(&self) -> impl Stream<Item = i32> {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream<Item = i32>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `--force-warn bare-trait-objects` implied by `--force-warn rust-2021-compatibility`
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/field_features.rs:21:40
[INFO] [stdout]    |
[INFO] [stdout] 21 |         async fn values(&self) -> impl Stream<Item = i32> {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream<Item = i32>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: failed to automatically apply fixes suggested by rustc to crate `rename`
[INFO] [stderr] 
[INFO] [stderr] after fixes were automatically applied the compiler reported errors within these files:
[INFO] [stderr] 
[INFO] [stderr]   * tests/rename.rs
[INFO] [stderr] 
[INFO] [stderr] This likely indicates a bug in either rustc or cargo itself,
[INFO] [stderr] and we would appreciate a bug report! You're likely to see 
[INFO] [stderr] a number of compiler warnings after this message which cargo
[INFO] [stderr] attempted to fix but failed. If you could open an issue at
[INFO] [stderr] https://github.com/rust-lang/rust/issues
[INFO] [stderr] quoting the full output of this command we'd be very appreciative!
[INFO] [stderr] Note that you may be able to make some more progress in the near-term
[INFO] [stderr] fixing code with the `--broken-code` flag
[INFO] [stderr] 
[INFO] [stderr] The following errors were reported:
[INFO] [stderr] error: invalid `dyn` keyword
[INFO] [stderr]    --> tests/rename.rs:122:62
[INFO] [stderr]     |
[INFO] [stderr] 122 |         async fn create_object(&self, ObjectId: i32) -> impl dyn Stream<Item = i32> {
[INFO] [stderr]     |                                                              ^^^ help: remove this keyword
[INFO] [stderr]     |
[INFO] [stderr]     = help: `dyn` is only needed at the start of a trait `+`-separated list
[INFO] [stderr] 
[INFO] [stderr] error: expected curly braces
[INFO] [stderr]    --> tests/rename.rs:122:66
[INFO] [stderr]     |
[INFO] [stderr] 122 |         async fn create_object(&self, ObjectId: i32) -> impl dyn Stream<Item = i32> {
[INFO] [stderr]     |                                                                  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Stream`
[INFO] [stderr]  --> tests/rename.rs:2:28
[INFO] [stderr]   |
[INFO] [stderr] 2 | use futures_util::stream::{Stream, StreamExt};
[INFO] [stderr]   |                            ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `StreamExt`
[INFO] [stderr]  --> tests/rename.rs:2:36
[INFO] [stderr]   |
[INFO] [stderr] 2 | use futures_util::stream::{Stream, StreamExt};
[INFO] [stderr]   |                                    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Original diagnostics will follow.
[INFO] [stderr] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/rename.rs:122:62
[INFO] [stdout]     |
[INFO] [stdout] 122 |         async fn create_object(&self, ObjectId: i32) -> impl Stream<Item = i32> {
[INFO] [stdout]     |                                                              ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream<Item = i32>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `--force-warn bare-trait-objects` implied by `--force-warn rust-2021-compatibility`
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/rename.rs:122:62
[INFO] [stdout]     |
[INFO] [stdout] 122 |         async fn create_object(&self, ObjectId: i32) -> impl Stream<Item = i32> {
[INFO] [stdout]     |                                                              ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream<Item = i32>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: failed to automatically apply fixes suggested by rustc to crate `subscription`
[INFO] [stderr] 
[INFO] [stderr] after fixes were automatically applied the compiler reported errors within these files:
[INFO] [stderr] 
[INFO] [stderr]   * tests/subscription.rs
[INFO] [stderr] 
[INFO] [stderr] This likely indicates a bug in either rustc or cargo itself,
[INFO] [stderr] and we would appreciate a bug report! You're likely to see 
[INFO] [stderr] a number of compiler warnings after this message which cargo
[INFO] [stderr] attempted to fix but failed. If you could open an issue at
[INFO] [stderr] https://github.com/rust-lang/rust/issues
[INFO] [stderr] quoting the full output of this command we'd be very appreciative!
[INFO] [stderr] Note that you may be able to make some more progress in the near-term
[INFO] [stderr] fixing code with the `--broken-code` flag
[INFO] [stderr] 
[INFO] [stderr] The following errors were reported:
[INFO] [stderr] error: invalid `dyn` keyword
[INFO] [stderr]   --> tests/subscription.rs:25:62
[INFO] [stderr]    |
[INFO] [stderr] 25 |         async fn values(&self, start: i32, end: i32) -> impl dyn Stream<Item = i32> {
[INFO] [stderr]    |                                                              ^^^ help: remove this keyword
[INFO] [stderr]    |
[INFO] [stderr]    = help: `dyn` is only needed at the start of a trait `+`-separated list
[INFO] [stderr] 
[INFO] [stderr] error: invalid `dyn` keyword
[INFO] [stderr]   --> tests/subscription.rs:29:62
[INFO] [stderr]    |
[INFO] [stderr] 29 |         async fn events(&self, start: i32, end: i32) -> impl dyn Stream<Item = Event> {
[INFO] [stderr]    |                                                              ^^^ help: remove this keyword
[INFO] [stderr]    |
[INFO] [stderr]    = help: `dyn` is only needed at the start of a trait `+`-separated list
[INFO] [stderr] 
[INFO] [stderr] error: invalid `dyn` keyword
[INFO] [stderr]   --> tests/subscription.rs:84:59
[INFO] [stderr]    |
[INFO] [stderr] 84 |         async fn values(&self, ctx: &Context<'_>) -> impl dyn Stream<Item = i32> {
[INFO] [stderr]    |                                                           ^^^ help: remove this keyword
[INFO] [stderr]    |
[INFO] [stderr]    = help: `dyn` is only needed at the start of a trait `+`-separated list
[INFO] [stderr] 
[INFO] [stderr] error: invalid `dyn` keyword
[INFO] [stderr]   --> tests/subscription.rs:89:41
[INFO] [stderr]    |
[INFO] [stderr] 89 |         async fn objects(&self) -> impl dyn Stream<Item = MyObject> {
[INFO] [stderr]    |                                         ^^^ help: remove this keyword
[INFO] [stderr]    |
[INFO] [stderr]    = help: `dyn` is only needed at the start of a trait `+`-separated list
[INFO] [stderr] 
[INFO] [stderr] error: invalid `dyn` keyword
[INFO] [stderr]    --> tests/subscription.rs:126:66
[INFO] [stderr]     |
[INFO] [stderr] 126 |         async fn values(&self, ctx: &Context<'_>) -> Result<impl dyn Stream<Item = i32>> {
[INFO] [stderr]     |                                                                  ^^^ help: remove this keyword
[INFO] [stderr]     |
[INFO] [stderr]     = help: `dyn` is only needed at the start of a trait `+`-separated list
[INFO] [stderr] 
[INFO] [stderr] error: invalid `dyn` keyword
[INFO] [stderr]    --> tests/subscription.rs:179:62
[INFO] [stderr]     |
[INFO] [stderr] 179 |         async fn events(&self, start: i32, end: i32) -> impl dyn Stream<Item = Event> {
[INFO] [stderr]     |                                                              ^^^ help: remove this keyword
[INFO] [stderr]     |
[INFO] [stderr]     = help: `dyn` is only needed at the start of a trait `+`-separated list
[INFO] [stderr] 
[INFO] [stderr] error: invalid `dyn` keyword
[INFO] [stderr]    --> tests/subscription.rs:226:62
[INFO] [stderr]     |
[INFO] [stderr] 226 |         async fn events(&self, start: i32, end: i32) -> impl dyn Stream<Item = Event> {
[INFO] [stderr]     |                                                              ^^^ help: remove this keyword
[INFO] [stderr]     |
[INFO] [stderr]     = help: `dyn` is only needed at the start of a trait `+`-separated list
[INFO] [stderr] 
[INFO] [stderr] error: invalid `dyn` keyword
[INFO] [stderr]    --> tests/subscription.rs:275:62
[INFO] [stderr]     |
[INFO] [stderr] 275 |         async fn events(&self, start: i32, end: i32) -> impl dyn Stream<Item = Event> {
[INFO] [stderr]     |                                                              ^^^ help: remove this keyword
[INFO] [stderr]     |
[INFO] [stderr]     = help: `dyn` is only needed at the start of a trait `+`-separated list
[INFO] [stderr] 
[INFO] [stderr] error: invalid `dyn` keyword
[INFO] [stderr]    --> tests/subscription.rs:328:40
[INFO] [stderr]     |
[INFO] [stderr] 328 |         async fn events(&self) -> impl dyn Stream<Item = Event> {
[INFO] [stderr]     |                                        ^^^ help: remove this keyword
[INFO] [stderr]     |
[INFO] [stderr]     = help: `dyn` is only needed at the start of a trait `+`-separated list
[INFO] [stderr] 
[INFO] [stderr] error: invalid `dyn` keyword
[INFO] [stderr]    --> tests/subscription.rs:369:40
[INFO] [stderr]     |
[INFO] [stderr] 369 |         async fn values(&self) -> impl dyn Stream<Item = Result<i32>> {
[INFO] [stderr]     |                                        ^^^ help: remove this keyword
[INFO] [stderr]     |
[INFO] [stderr]     = help: `dyn` is only needed at the start of a trait `+`-separated list
[INFO] [stderr] 
[INFO] [stderr] error: expected curly braces
[INFO] [stderr]   --> tests/subscription.rs:25:66
[INFO] [stderr]    |
[INFO] [stderr] 25 |         async fn values(&self, start: i32, end: i32) -> impl dyn Stream<Item = i32> {
[INFO] [stderr]    |                                                                  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: expected curly braces
[INFO] [stderr]   --> tests/subscription.rs:84:63
[INFO] [stderr]    |
[INFO] [stderr] 84 |         async fn values(&self, ctx: &Context<'_>) -> impl dyn Stream<Item = i32> {
[INFO] [stderr]    |                                                               ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: expected `,`
[INFO] [stderr]    --> tests/subscription.rs:126:70
[INFO] [stderr]     |
[INFO] [stderr] 126 |         async fn values(&self, ctx: &Context<'_>) -> Result<impl dyn Stream<Item = i32>> {
[INFO] [stderr]     |                                                                      ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: expected curly braces
[INFO] [stderr]    --> tests/subscription.rs:179:66
[INFO] [stderr]     |
[INFO] [stderr] 179 |         async fn events(&self, start: i32, end: i32) -> impl dyn Stream<Item = Event> {
[INFO] [stderr]     |                                                                  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: expected curly braces
[INFO] [stderr]    --> tests/subscription.rs:226:66
[INFO] [stderr]     |
[INFO] [stderr] 226 |         async fn events(&self, start: i32, end: i32) -> impl dyn Stream<Item = Event> {
[INFO] [stderr]     |                                                                  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: expected curly braces
[INFO] [stderr]    --> tests/subscription.rs:275:66
[INFO] [stderr]     |
[INFO] [stderr] 275 |         async fn events(&self, start: i32, end: i32) -> impl dyn Stream<Item = Event> {
[INFO] [stderr]     |                                                                  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: expected curly braces
[INFO] [stderr]    --> tests/subscription.rs:328:44
[INFO] [stderr]     |
[INFO] [stderr] 328 |         async fn events(&self) -> impl dyn Stream<Item = Event> {
[INFO] [stderr]     |                                            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: expected curly braces
[INFO] [stderr]    --> tests/subscription.rs:369:44
[INFO] [stderr]     |
[INFO] [stderr] 369 |         async fn values(&self) -> impl dyn Stream<Item = Result<i32>> {
[INFO] [stderr]     |                                            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Stream`
[INFO] [stderr]  --> tests/subscription.rs:2:28
[INFO] [stderr]   |
[INFO] [stderr] 2 | use futures_util::stream::{Stream, StreamExt, TryStreamExt};
[INFO] [stderr]   |                            ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `StreamExt`
[INFO] [stderr]  --> tests/subscription.rs:2:36
[INFO] [stderr]   |
[INFO] [stderr] 2 | use futures_util::stream::{Stream, StreamExt, TryStreamExt};
[INFO] [stderr]   |                                    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TryStreamExt`
[INFO] [stderr]  --> tests/subscription.rs:2:47
[INFO] [stderr]   |
[INFO] [stderr] 2 | use futures_util::stream::{Stream, StreamExt, TryStreamExt};
[INFO] [stderr]   |                                               ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 18 previous errors; 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Original diagnostics will follow.
[INFO] [stderr] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/subscription.rs:25:62
[INFO] [stdout]    |
[INFO] [stdout] 25 |         async fn values(&self, start: i32, end: i32) -> impl Stream<Item = i32> {
[INFO] [stdout]    |                                                              ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream<Item = i32>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `--force-warn bare-trait-objects` implied by `--force-warn rust-2021-compatibility`
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/subscription.rs:29:62
[INFO] [stdout]    |
[INFO] [stdout] 29 |         async fn events(&self, start: i32, end: i32) -> impl Stream<Item = Event> {
[INFO] [stdout]    |                                                              ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream<Item = Event>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/subscription.rs:25:62
[INFO] [stdout]    |
[INFO] [stdout] 25 |         async fn values(&self, start: i32, end: i32) -> impl Stream<Item = i32> {
[INFO] [stdout]    |                                                              ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream<Item = i32>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/subscription.rs:84:59
[INFO] [stdout]    |
[INFO] [stdout] 84 |         async fn values(&self, ctx: &Context<'_>) -> impl Stream<Item = i32> {
[INFO] [stdout]    |                                                           ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream<Item = i32>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/subscription.rs:89:41
[INFO] [stdout]    |
[INFO] [stdout] 89 |         async fn objects(&self) -> impl Stream<Item = MyObject> {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream<Item = MyObject>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/subscription.rs:126:66
[INFO] [stdout]     |
[INFO] [stdout] 126 |         async fn values(&self, ctx: &Context<'_>) -> Result<impl Stream<Item = i32>> {
[INFO] [stdout]     |                                                                  ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream<Item = i32>>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/subscription.rs:179:62
[INFO] [stdout]     |
[INFO] [stdout] 179 |         async fn events(&self, start: i32, end: i32) -> impl Stream<Item = Event> {
[INFO] [stdout]     |                                                              ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream<Item = Event>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/subscription.rs:226:62
[INFO] [stdout]     |
[INFO] [stdout] 226 |         async fn events(&self, start: i32, end: i32) -> impl Stream<Item = Event> {
[INFO] [stdout]     |                                                              ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream<Item = Event>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/subscription.rs:275:62
[INFO] [stdout]     |
[INFO] [stdout] 275 |         async fn events(&self, start: i32, end: i32) -> impl Stream<Item = Event> {
[INFO] [stdout]     |                                                              ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream<Item = Event>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/subscription.rs:328:40
[INFO] [stdout]     |
[INFO] [stdout] 328 |         async fn events(&self) -> impl Stream<Item = Event> {
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream<Item = Event>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/subscription.rs:369:40
[INFO] [stdout]     |
[INFO] [stdout] 369 |         async fn values(&self) -> impl Stream<Item = Result<i32>> {
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream<Item = Result<i32>>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] [stderr] error: failed to migrate to next edition
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `cargo fix --edition --allow-no-vcs --allow-dirty --frozen --all --all-targets --message-format=json` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "31debb60c412432ae7e2a8d86dcfa7c5f2fdb9db66c27ddb03935d7c274f3bd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31debb60c412432ae7e2a8d86dcfa7c5f2fdb9db66c27ddb03935d7c274f3bd4", kill_on_drop: false }`
[INFO] [stdout] 31debb60c412432ae7e2a8d86dcfa7c5f2fdb9db66c27ddb03935d7c274f3bd4