[INFO] fetching crate libp2p-auto-relay 0.1.2...
[INFO] testing libp2p-auto-relay-0.1.2 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate libp2p-auto-relay 0.1.2 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate libp2p-auto-relay 0.1.2
[INFO] finished tweaking crates.io crate libp2p-auto-relay 0.1.2
[INFO] tweaked toml for crates.io crate libp2p-auto-relay 0.1.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate libp2p-auto-relay 0.1.2 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]    --> src/combine.rs:124:17
[INFO] [stdout]     |
[INFO] [stdout] 124 |     type Dial = impl Future<Output = Result<Self::Output, Self::Error>>;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout]     = help: add `#![feature(impl_trait_in_assoc_type)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]   --> src/endpoint/transport.rs:71:17
[INFO] [stdout]    |
[INFO] [stdout] 71 |     type Dial = impl Future<Output = Result<Self::Output, Self::Error>>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout]    = help: add `#![feature(impl_trait_in_assoc_type)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]   --> src/endpoint/upgrade/inbound.rs:42:19
[INFO] [stdout]    |
[INFO] [stdout] 42 |     type Future = impl Future<Output = Result<Self::Output, Self::Error>>;
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout]    = help: add `#![feature(impl_trait_in_assoc_type)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]    --> src/endpoint/upgrade/outbound.rs:187:19
[INFO] [stdout]     |
[INFO] [stdout] 187 |     type Future = impl Future<Output = Result<Self::Output, Self::Error>>;
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout]     = help: add `#![feature(impl_trait_in_assoc_type)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]    --> src/relay/upgrade/inbound.rs:284:19
[INFO] [stdout]     |
[INFO] [stdout] 284 |     type Future = impl Future<Output = Result<Self::Output, Self::Error>>;
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout]     = help: add `#![feature(impl_trait_in_assoc_type)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]   --> src/relay/upgrade/outbound.rs:42:19
[INFO] [stdout]    |
[INFO] [stdout] 42 |     type Future = impl Future<Output = Result<Self::Output, Self::Error>>;
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout]    = help: add `#![feature(impl_trait_in_assoc_type)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ListenRequest`
[INFO] [stdout]  --> src/relay/upgrade/mod.rs:3:51
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use inbound::{ConnectRequest, InboundUpgrade, ListenRequest};
[INFO] [stdout]   |                                                   ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: item does not constrain `<endpoint::transport::Transport as libp2p_core::Transport>::Dial::{opaque#0}`
[INFO] [stdout]    --> src/endpoint/transport.rs:159:8
[INFO] [stdout]     |
[INFO] [stdout] 159 |     fn dial_as_listener(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider removing `#[define_opaque]` or adding an empty `#[define_opaque()]`
[INFO] [stdout] note: this opaque type is supposed to be constrained
[INFO] [stdout]    --> src/endpoint/transport.rs:71:17
[INFO] [stdout]     |
[INFO] [stdout]  71 |     type Dial = impl Future<Output = Result<Self::Output, Self::Error>>;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unconstrained opaque type
[INFO] [stdout]    --> src/relay/behaviour.rs:243:19
[INFO] [stdout]     |
[INFO] [stdout] 243 | type CopyFuture = impl Future<Output = io::Result<u64>>;
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CopyFuture` must be used in combination with a concrete type within the same crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/relay/behaviour.rs:119:43
[INFO] [stdout]     |
[INFO] [stdout] 119 |                 self.io_copy_futures.push(copy(dial_conn_read, conn_write));
[INFO] [stdout]     |                                      ---- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected future, found a different future
[INFO] [stdout]     |                                      |
[INFO] [stdout]     |                                      arguments to this method are incorrect
[INFO] [stdout] ...
[INFO] [stdout] 243 | type CopyFuture = impl Future<Output = io::Result<u64>>;
[INFO] [stdout]     |                   ------------------------------------- the expected future
[INFO] [stdout]     |
[INFO] [stdout]     = note: distinct uses of `impl Trait` result in different opaque types
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-util-0.3.31/src/stream/futures_unordered/mod.rs:166:12
[INFO] [stdout]     |
[INFO] [stdout] 166 |     pub fn push(&self, future: Fut) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/relay/behaviour.rs:120:43
[INFO] [stdout]     |
[INFO] [stdout] 120 |                 self.io_copy_futures.push(copy(conn_read, dial_conn_write));
[INFO] [stdout]     |                                      ---- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected future, found a different future
[INFO] [stdout]     |                                      |
[INFO] [stdout]     |                                      arguments to this method are incorrect
[INFO] [stdout] ...
[INFO] [stdout] 243 | type CopyFuture = impl Future<Output = io::Result<u64>>;
[INFO] [stdout]     |                   ------------------------------------- the expected future
[INFO] [stdout]     |
[INFO] [stdout]     = note: distinct uses of `impl Trait` result in different opaque types
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-util-0.3.31/src/stream/futures_unordered/mod.rs:166:12
[INFO] [stdout]     |
[INFO] [stdout] 166 |     pub fn push(&self, future: Fut) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libp2p-auto-relay` (lib) due to 10 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "48f51832a46b04a4ab0c58f07f2f6086967244d6422503d5e3947d566ca11903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48f51832a46b04a4ab0c58f07f2f6086967244d6422503d5e3947d566ca11903", kill_on_drop: false }`
[INFO] [stdout] 48f51832a46b04a4ab0c58f07f2f6086967244d6422503d5e3947d566ca11903
