[INFO] cloning repository https://github.com/jihiggins/lending-stream [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jihiggins/lending-stream" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjihiggins%2Flending-stream", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjihiggins%2Flending-stream'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 564b516fff03b50f5bbb1f49490833d82437e1ac [INFO] checking jihiggins/lending-stream against try#c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f for 2025-12-16-next-solver-global [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjihiggins%2Flending-stream" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/jihiggins/lending-stream [INFO] finished tweaking git repo https://github.com/jihiggins/lending-stream [INFO] tweaked toml for git repo https://github.com/jihiggins/lending-stream written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/jihiggins/lending-stream on toolchain c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/jihiggins/lending-stream 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" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cd6714045165bd9493a4ed11e6c6c49f2d454b0c848b8689ed6538aaa8c52b5c [INFO] running `Command { std: "docker" "start" "-a" "cd6714045165bd9493a4ed11e6c6c49f2d454b0c848b8689ed6538aaa8c52b5c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cd6714045165bd9493a4ed11e6c6c49f2d454b0c848b8689ed6538aaa8c52b5c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cd6714045165bd9493a4ed11e6c6c49f2d454b0c848b8689ed6538aaa8c52b5c", kill_on_drop: false }` [INFO] [stdout] cd6714045165bd9493a4ed11e6c6c49f2d454b0c848b8689ed6538aaa8c52b5c [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=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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 808f8036d2b5093becf2668c18b12a54e69c1aa6b37c78e38cd8dd3c39becf91 [INFO] running `Command { std: "docker" "start" "-a" "808f8036d2b5093becf2668c18b12a54e69c1aa6b37c78e38cd8dd3c39becf91", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Compiling unicode-ident v1.0.11 [INFO] [stderr] Compiling futures-core v0.3.28 [INFO] [stderr] Compiling futures-channel v0.3.28 [INFO] [stderr] Compiling futures-task v0.3.28 [INFO] [stderr] Checking futures-sink v0.3.28 [INFO] [stderr] Compiling futures-util v0.3.28 [INFO] [stderr] Checking futures-io v0.3.28 [INFO] [stderr] Checking fastrand v1.9.0 [INFO] [stderr] Compiling slab v0.4.8 [INFO] [stderr] Compiling quote v1.0.32 [INFO] [stderr] Compiling syn v2.0.28 [INFO] [stderr] Compiling futures-macro v0.3.28 [INFO] [stderr] Checking futures-executor v0.3.28 [INFO] [stderr] Checking futures v0.3.28 [INFO] [stderr] Checking lending-stream v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `async_fn_in_trait` has been stable since 1.75.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(async_fn_in_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `async_fn_in_trait` has been stable since 1.75.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(async_fn_in_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed: cannot satisfy `U: LendingStream` [INFO] [stdout] --> src/lending_stream_ext.rs:555:27 [INFO] [stdout] | [INFO] [stdout] 555 | type NextFuture<'a> = impl Future>> where S: 'a, S::Item<'a>: 'a, Self: 'a; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: multiple `impl`s or `where` clauses satisfying `U: LendingStream` found [INFO] [stdout] --> src/lending_stream_ext.rs:550:8 [INFO] [stdout] | [INFO] [stdout] 550 | U: LendingStream + Unpin, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 551 | for<'a> S::Item<'a>: LendingStream + Unpin, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] note: required for `lending_stream_ext::Flatten` to implement `LendingStream` [INFO] [stdout] --> src/lending_stream_ext.rs:548:12 [INFO] [stdout] | [INFO] [stdout] 548 | impl LendingStream for Flatten [INFO] [stdout] | ^^^^^^^^^^^^^ ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 551 | for<'a> S::Item<'a>: LendingStream + Unpin, [INFO] [stdout] | ------------- unsatisfied trait bound introduced here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed: cannot satisfy `U: LendingStream` [INFO] [stdout] --> src/lending_stream_ext.rs:548:30 [INFO] [stdout] | [INFO] [stdout] 548 | impl LendingStream for Flatten [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: multiple `impl`s or `where` clauses satisfying `U: LendingStream` found [INFO] [stdout] --> src/lending_stream_ext.rs:550:8 [INFO] [stdout] | [INFO] [stdout] 550 | U: LendingStream + Unpin, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 551 | for<'a> S::Item<'a>: LendingStream + Unpin, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] note: required for `lending_stream_ext::Flatten` to implement `LendingStream` [INFO] [stdout] --> src/lending_stream_ext.rs:548:12 [INFO] [stdout] | [INFO] [stdout] 548 | impl LendingStream for Flatten [INFO] [stdout] | ^^^^^^^^^^^^^ ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 551 | for<'a> S::Item<'a>: LendingStream + Unpin, [INFO] [stdout] | ------------- unsatisfied trait bound introduced here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed: cannot satisfy `U: LendingStream` [INFO] [stdout] --> src/lending_stream_ext.rs:555:27 [INFO] [stdout] | [INFO] [stdout] 555 | type NextFuture<'a> = impl Future>> where S: 'a, S::Item<'a>: 'a, Self: 'a; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: multiple `impl`s or `where` clauses satisfying `U: LendingStream` found [INFO] [stdout] --> src/lending_stream_ext.rs:550:8 [INFO] [stdout] | [INFO] [stdout] 550 | U: LendingStream + Unpin, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 551 | for<'a> S::Item<'a>: LendingStream + Unpin, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] note: required for `lending_stream_ext::Flatten` to implement `LendingStream` [INFO] [stdout] --> src/lending_stream_ext.rs:548:12 [INFO] [stdout] | [INFO] [stdout] 548 | impl LendingStream for Flatten [INFO] [stdout] | ^^^^^^^^^^^^^ ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 551 | for<'a> S::Item<'a>: LendingStream + Unpin, [INFO] [stdout] | ------------- unsatisfied trait bound introduced here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed: cannot satisfy `U: LendingStream` [INFO] [stdout] --> src/lending_stream_ext.rs:548:30 [INFO] [stdout] | [INFO] [stdout] 548 | impl LendingStream for Flatten [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: multiple `impl`s or `where` clauses satisfying `U: LendingStream` found [INFO] [stdout] --> src/lending_stream_ext.rs:550:8 [INFO] [stdout] | [INFO] [stdout] 550 | U: LendingStream + Unpin, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 551 | for<'a> S::Item<'a>: LendingStream + Unpin, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] note: required for `lending_stream_ext::Flatten` to implement `LendingStream` [INFO] [stdout] --> src/lending_stream_ext.rs:548:12 [INFO] [stdout] | [INFO] [stdout] 548 | impl LendingStream for Flatten [INFO] [stdout] | ^^^^^^^^^^^^^ ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 551 | for<'a> S::Item<'a>: LendingStream + Unpin, [INFO] [stdout] | ------------- unsatisfied trait bound introduced here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed: cannot satisfy `U: LendingStream` [INFO] [stdout] --> src/lending_stream_ext.rs:555:5 [INFO] [stdout] | [INFO] [stdout] 555 | type NextFuture<'a> = impl Future>> where S: 'a, S::Item<'a>: 'a, Self: 'a; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: multiple `impl`s or `where` clauses satisfying `U: LendingStream` found [INFO] [stdout] --> src/lending_stream_ext.rs:550:8 [INFO] [stdout] | [INFO] [stdout] 550 | U: LendingStream + Unpin, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 551 | for<'a> S::Item<'a>: LendingStream + Unpin, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] note: required by a bound in ` as LendingStream>` [INFO] [stdout] --> src/lending_stream_ext.rs:551:26 [INFO] [stdout] | [INFO] [stdout] 551 | for<'a> S::Item<'a>: LendingStream + Unpin, [INFO] [stdout] | ^^^^^^^^^^^^^ required by this bound in ` as LendingStream>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed: cannot satisfy `U: LendingStream` [INFO] [stdout] --> src/lending_stream_ext.rs:555:5 [INFO] [stdout] | [INFO] [stdout] 555 | type NextFuture<'a> = impl Future>> where S: 'a, S::Item<'a>: 'a, Self: 'a; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: multiple `impl`s or `where` clauses satisfying `U: LendingStream` found [INFO] [stdout] --> src/lending_stream_ext.rs:550:8 [INFO] [stdout] | [INFO] [stdout] 550 | U: LendingStream + Unpin, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 551 | for<'a> S::Item<'a>: LendingStream + Unpin, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] note: required by a bound in ` as LendingStream>` [INFO] [stdout] --> src/lending_stream_ext.rs:551:26 [INFO] [stdout] | [INFO] [stdout] 551 | for<'a> S::Item<'a>: LendingStream + Unpin, [INFO] [stdout] | ^^^^^^^^^^^^^ required by this bound in ` as LendingStream>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed: cannot satisfy `U: LendingStream` [INFO] [stdout] --> src/lending_stream_ext.rs:557:34 [INFO] [stdout] | [INFO] [stdout] 557 | fn next<'a>(&'a mut self) -> Self::NextFuture<'a> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: multiple `impl`s or `where` clauses satisfying `U: LendingStream` found [INFO] [stdout] --> src/lending_stream_ext.rs:550:8 [INFO] [stdout] | [INFO] [stdout] 550 | U: LendingStream + Unpin, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 551 | for<'a> S::Item<'a>: LendingStream + Unpin, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] note: required for `lending_stream_ext::Flatten` to implement `LendingStream` [INFO] [stdout] --> src/lending_stream_ext.rs:548:12 [INFO] [stdout] | [INFO] [stdout] 548 | impl LendingStream for Flatten [INFO] [stdout] | ^^^^^^^^^^^^^ ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 551 | for<'a> S::Item<'a>: LendingStream + Unpin, [INFO] [stdout] | ------------- unsatisfied trait bound introduced here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed: cannot satisfy `U: LendingStream` [INFO] [stdout] --> src/lending_stream_ext.rs:557:34 [INFO] [stdout] | [INFO] [stdout] 557 | fn next<'a>(&'a mut self) -> Self::NextFuture<'a> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: multiple `impl`s or `where` clauses satisfying `U: LendingStream` found [INFO] [stdout] --> src/lending_stream_ext.rs:550:8 [INFO] [stdout] | [INFO] [stdout] 550 | U: LendingStream + Unpin, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 551 | for<'a> S::Item<'a>: LendingStream + Unpin, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] note: required for `lending_stream_ext::Flatten` to implement `LendingStream` [INFO] [stdout] --> src/lending_stream_ext.rs:548:12 [INFO] [stdout] | [INFO] [stdout] 548 | impl LendingStream for Flatten [INFO] [stdout] | ^^^^^^^^^^^^^ ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 551 | for<'a> S::Item<'a>: LendingStream + Unpin, [INFO] [stdout] | ------------- unsatisfied trait bound introduced here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed: cannot satisfy `U: LendingStream` [INFO] [stdout] --> src/lending_stream_ext.rs:557:5 [INFO] [stdout] | [INFO] [stdout] 557 | / fn next<'a>(&'a mut self) -> Self::NextFuture<'a> [INFO] [stdout] 558 | | where [INFO] [stdout] 559 | | Self: 'a, [INFO] [stdout] 560 | | Self: Unpin, [INFO] [stdout] | |____________________^ [INFO] [stdout] | [INFO] [stdout] note: multiple `impl`s or `where` clauses satisfying `U: LendingStream` found [INFO] [stdout] --> src/lending_stream_ext.rs:550:8 [INFO] [stdout] | [INFO] [stdout] 550 | U: LendingStream + Unpin, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 551 | for<'a> S::Item<'a>: LendingStream + Unpin, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] note: required for `lending_stream_ext::Flatten` to implement `LendingStream` [INFO] [stdout] --> src/lending_stream_ext.rs:548:12 [INFO] [stdout] | [INFO] [stdout] 548 | impl LendingStream for Flatten [INFO] [stdout] | ^^^^^^^^^^^^^ ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 551 | for<'a> S::Item<'a>: LendingStream + Unpin, [INFO] [stdout] | ------------- unsatisfied trait bound introduced here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed: cannot satisfy `U: LendingStream` [INFO] [stdout] --> src/lending_stream_ext.rs:557:5 [INFO] [stdout] | [INFO] [stdout] 557 | / fn next<'a>(&'a mut self) -> Self::NextFuture<'a> [INFO] [stdout] 558 | | where [INFO] [stdout] 559 | | Self: 'a, [INFO] [stdout] 560 | | Self: Unpin, [INFO] [stdout] | |____________________^ [INFO] [stdout] | [INFO] [stdout] note: multiple `impl`s or `where` clauses satisfying `U: LendingStream` found [INFO] [stdout] --> src/lending_stream_ext.rs:550:8 [INFO] [stdout] | [INFO] [stdout] 550 | U: LendingStream + Unpin, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 551 | for<'a> S::Item<'a>: LendingStream + Unpin, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] note: required for `lending_stream_ext::Flatten` to implement `LendingStream` [INFO] [stdout] --> src/lending_stream_ext.rs:548:12 [INFO] [stdout] | [INFO] [stdout] 548 | impl LendingStream for Flatten [INFO] [stdout] | ^^^^^^^^^^^^^ ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 551 | for<'a> S::Item<'a>: LendingStream + Unpin, [INFO] [stdout] | ------------- unsatisfied trait bound introduced here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0283`. [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0283`. [INFO] [stdout] [INFO] [stderr] error: could not compile `lending-stream` (lib test) due to 5 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `lending-stream` (lib) due to 5 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "808f8036d2b5093becf2668c18b12a54e69c1aa6b37c78e38cd8dd3c39becf91", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "808f8036d2b5093becf2668c18b12a54e69c1aa6b37c78e38cd8dd3c39becf91", kill_on_drop: false }` [INFO] [stdout] 808f8036d2b5093becf2668c18b12a54e69c1aa6b37c78e38cd8dd3c39becf91