[INFO] fetching crate libp2p-auto-relay 0.1.2... [INFO] testing libp2p-auto-relay-0.1.2 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate libp2p-auto-relay 0.1.2 into /workspace/builds/worker-6-tc2/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-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate libp2p-auto-relay 0.1.2 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 246 packages to latest compatible versions [INFO] [stderr] Adding asynchronous-codec v0.6.2 (available: v0.7.0) [INFO] [stderr] Adding curve25519-dalek v3.2.0 (available: v3.2.1) [INFO] [stderr] Adding libp2p v0.50.1 (available: v0.56.0) [INFO] [stderr] Adding libp2p-core v0.38.0 (available: v0.43.1) [INFO] [stderr] Adding libp2p-noise v0.41.0 (available: v0.46.1) [INFO] [stderr] Adding libp2p-swarm v0.41.1 (available: v0.47.0) [INFO] [stderr] Adding libp2p-yamux v0.42.0 (available: v0.47.0) [INFO] [stderr] Adding proc-macro-crate v1.1.3 (available: v1.3.1) [INFO] [stderr] Adding prost v0.11.9 (available: v0.14.1) [INFO] [stderr] Adding prost-build v0.11.9 (available: v0.14.1) [INFO] [stderr] Adding thiserror v1.0.69 (available: v2.0.17) [INFO] [stderr] Adding x25519-dalek v1.1.1 (available: v1.2.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b0123ec3d5aa9b584810a19b928c3e62bf4e69b35da5d11f04617444bcfb39e0 [INFO] running `Command { std: "docker" "start" "-a" "b0123ec3d5aa9b584810a19b928c3e62bf4e69b35da5d11f04617444bcfb39e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b0123ec3d5aa9b584810a19b928c3e62bf4e69b35da5d11f04617444bcfb39e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b0123ec3d5aa9b584810a19b928c3e62bf4e69b35da5d11f04617444bcfb39e0", kill_on_drop: false }` [INFO] [stdout] b0123ec3d5aa9b584810a19b928c3e62bf4e69b35da5d11f04617444bcfb39e0 [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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6454321420b316db0eadaede14db2f4c334f9a904f4150fe37f8bc4dc6ec5cde [INFO] running `Command { std: "docker" "start" "-a" "6454321420b316db0eadaede14db2f4c334f9a904f4150fe37f8bc4dc6ec5cde", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.101 [INFO] [stderr] Compiling version_check v0.9.5 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling typenum v1.18.0 [INFO] [stderr] Compiling either v1.15.0 [INFO] [stderr] Compiling memchr v2.7.6 [INFO] [stderr] Compiling anyhow v1.0.100 [INFO] [stderr] Compiling futures-channel v0.3.31 [INFO] [stderr] Compiling futures-io v0.3.31 [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling bitflags v2.9.4 [INFO] [stderr] Compiling libc v0.2.176 [INFO] [stderr] Compiling rustix v0.38.44 [INFO] [stderr] Compiling zerocopy v0.8.27 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling getrandom v0.3.3 [INFO] [stderr] Compiling rustix v1.1.2 [INFO] [stderr] Compiling linux-raw-sys v0.11.0 [INFO] [stderr] Compiling linux-raw-sys v0.4.15 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Compiling prettyplease v0.1.25 [INFO] [stderr] Compiling hashbrown v0.16.0 [INFO] [stderr] Compiling bytes v1.10.1 [INFO] [stderr] Compiling regex-syntax v0.8.6 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling fixedbitset v0.4.2 [INFO] [stderr] Compiling home v0.5.11 [INFO] [stderr] Compiling once_cell v1.21.3 [INFO] [stderr] Compiling fastrand v2.3.0 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling heck v0.4.1 [INFO] [stderr] Compiling lazy_static v1.5.0 [INFO] [stderr] Compiling multimap v0.8.3 [INFO] [stderr] Compiling cpufeatures v0.2.17 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling quote v1.0.41 [INFO] [stderr] Compiling num_cpus v1.17.0 [INFO] [stderr] Compiling data-encoding v2.9.0 [INFO] [stderr] Compiling const-oid v0.9.6 [INFO] [stderr] Compiling unicode-xid v0.2.6 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling getrandom v0.2.16 [INFO] [stderr] Compiling indexmap v2.11.4 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling const-str v0.4.3 [INFO] [stderr] Compiling base64ct v1.8.0 [INFO] [stderr] Compiling crypto-common v0.1.6 [INFO] [stderr] Compiling block-buffer v0.10.4 [INFO] [stderr] Compiling digest v0.9.0 [INFO] [stderr] Compiling block-buffer v0.9.0 [INFO] [stderr] Compiling form_urlencoded v1.2.2 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling digest v0.10.7 [INFO] [stderr] Compiling regex-automata v0.4.11 [INFO] [stderr] Compiling core2 v0.4.0 [INFO] [stderr] Compiling opaque-debug v0.3.1 [INFO] [stderr] Compiling subtle v2.6.1 [INFO] [stderr] Compiling base-x v0.2.11 [INFO] [stderr] Compiling sha2 v0.10.9 [INFO] [stderr] Compiling signature v1.6.4 [INFO] [stderr] Compiling sha2 v0.9.9 [INFO] [stderr] Compiling ed25519 v1.5.3 [INFO] [stderr] Compiling arrayref v0.3.9 [INFO] [stderr] Compiling base16ct v0.1.1 [INFO] [stderr] Compiling petgraph v0.6.5 [INFO] [stderr] Compiling instant v0.1.13 [INFO] [stderr] Compiling bs58 v0.4.0 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling asn1_der v0.7.6 [INFO] [stderr] Compiling tempfile v3.23.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.21 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling which v4.4.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling toml v0.5.11 [INFO] [stderr] Compiling regex v1.11.3 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling synstructure v0.13.2 [INFO] [stderr] Compiling zerofrom-derive v0.1.6 [INFO] [stderr] Compiling yoke-derive v0.8.0 [INFO] [stderr] Compiling zerovec-derive v0.11.1 [INFO] [stderr] Compiling displaydoc v0.2.5 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling zeroize_derive v1.4.2 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling data-encoding-macro-internal v0.1.16 [INFO] [stderr] Compiling pin-project-internal v1.1.10 [INFO] [stderr] Compiling tracing-attributes v0.1.30 [INFO] [stderr] Compiling prost-derive v0.11.9 [INFO] [stderr] Compiling match-lookup v0.1.1 [INFO] [stderr] Compiling base256emoji v1.0.2 [INFO] [stderr] Compiling data-encoding-macro v0.1.18 [INFO] [stderr] Compiling multibase v0.9.2 [INFO] [stderr] Compiling zeroize v1.8.2 [INFO] [stderr] Compiling der v0.6.1 [INFO] [stderr] Compiling curve25519-dalek v3.2.0 [INFO] [stderr] Compiling zerofrom v0.1.6 [INFO] [stderr] Compiling yoke v0.8.0 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling zerotrie v0.2.2 [INFO] [stderr] Compiling pin-project v1.1.10 [INFO] [stderr] Compiling zerovec v0.11.4 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Compiling tracing v0.1.41 [INFO] [stderr] Compiling proc-macro-crate v1.1.3 [INFO] [stderr] Compiling prost v0.11.9 [INFO] [stderr] Compiling multihash-derive v0.8.1 [INFO] [stderr] Compiling ed25519-dalek v1.0.1 [INFO] [stderr] Compiling spki v0.6.0 [INFO] [stderr] Compiling pkcs8 v0.9.0 [INFO] [stderr] Compiling prost-types v0.11.9 [INFO] [stderr] Compiling sec1 v0.3.0 [INFO] [stderr] Compiling tinystr v0.8.1 [INFO] [stderr] Compiling potential_utf v0.1.3 [INFO] [stderr] Compiling icu_collections v2.0.0 [INFO] [stderr] Compiling icu_locale_core v2.0.0 [INFO] [stderr] Compiling prost-build v0.11.9 [INFO] [stderr] Compiling icu_provider v2.0.0 [INFO] [stderr] Compiling libp2p-core v0.38.0 [INFO] [stderr] Compiling libp2p-auto-relay v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Compiling icu_normalizer v2.0.0 [INFO] [stderr] Compiling icu_properties v2.0.1 [INFO] [stderr] Compiling asynchronous-codec v0.6.2 [INFO] [stderr] Compiling futures-executor v0.3.31 [INFO] [stderr] Compiling unsigned-varint v0.7.2 [INFO] [stderr] Compiling multihash v0.16.3 [INFO] [stderr] Compiling prost-codec v0.3.0 [INFO] [stderr] Compiling futures v0.3.31 [INFO] [stderr] Compiling multistream-select v0.12.1 [INFO] [stderr] Compiling rw-stream-sink v0.3.0 [INFO] [stderr] Compiling idna_adapter v1.2.1 [INFO] [stderr] Compiling idna v1.1.0 [INFO] [stderr] Compiling url v2.5.7 [INFO] [stderr] Compiling multiaddr v0.16.0 [INFO] [stderr] Compiling libp2p-swarm v0.41.1 [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(type_alias_impl_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [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>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #63063 for more information [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>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #63063 for more information [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>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #63063 for more information [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>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #63063 for more information [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>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #63063 for more information [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>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #63063 for more information [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 `::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>; [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>; [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>; [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>; [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, E0554, 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 11 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "6454321420b316db0eadaede14db2f4c334f9a904f4150fe37f8bc4dc6ec5cde", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6454321420b316db0eadaede14db2f4c334f9a904f4150fe37f8bc4dc6ec5cde", kill_on_drop: false }` [INFO] [stdout] 6454321420b316db0eadaede14db2f4c334f9a904f4150fe37f8bc4dc6ec5cde