[INFO] cloning repository https://github.com/eholk/async-iteration-scratch [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eholk/async-iteration-scratch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feholk%2Fasync-iteration-scratch", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feholk%2Fasync-iteration-scratch'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ba3c11d26c6410ad198617a9a600088fc4b7d38b [INFO] testing eholk/async-iteration-scratch against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feholk%2Fasync-iteration-scratch" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] removed /workspace/builds/worker-7-tc2/source/rust-toolchain.toml [INFO] started tweaking git repo https://github.com/eholk/async-iteration-scratch [INFO] finished tweaking git repo https://github.com/eholk/async-iteration-scratch [INFO] tweaked toml for git repo https://github.com/eholk/async-iteration-scratch written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/eholk/async-iteration-scratch on toolchain b83b707f97d809763b7861afa7638871f3339a33 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/eholk/async-iteration-scratch 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: the cargo feature `edition2024` has been stabilized in the 1.85 release and is no longer necessary to be listed in the manifest [INFO] [stderr] See https://doc.rust-lang.org/nightly/cargo/reference/manifest.html#the-edition-field for more information about using this feature. [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b0bb50369209bfa45c64eccdd2c187c2832519e241589969bcdb4720ee07cc79 [INFO] running `Command { std: "docker" "start" "-a" "b0bb50369209bfa45c64eccdd2c187c2832519e241589969bcdb4720ee07cc79", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b0bb50369209bfa45c64eccdd2c187c2832519e241589969bcdb4720ee07cc79", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b0bb50369209bfa45c64eccdd2c187c2832519e241589969bcdb4720ee07cc79", kill_on_drop: false }` [INFO] [stdout] b0bb50369209bfa45c64eccdd2c187c2832519e241589969bcdb4720ee07cc79 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3986d7bb8b7ab8ea4602f03b19960ae24f01fd7a311a2be08b6edb12900c4d9c [INFO] running `Command { std: "docker" "start" "-a" "3986d7bb8b7ab8ea4602f03b19960ae24f01fd7a311a2be08b6edb12900c4d9c", kill_on_drop: false }` [INFO] [stderr] warning: the cargo feature `edition2024` has been stabilized in the 1.85 release and is no longer necessary to be listed in the manifest [INFO] [stderr] See https://doc.rust-lang.org/nightly/cargo/reference/manifest.html#the-edition-field for more information about using this feature. [INFO] [stderr] Compiling async-iteration-scratch v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0658]: `async` trait bounds are unstable [INFO] [stdout] --> src/afit/mod.rs:12:45 [INFO] [stdout] | [INFO] [stdout] 12 | async fn for_each(mut self, mut f: impl async FnMut(Self::Item)) [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #62290 for more information [INFO] [stdout] = help: add `#![feature(async_trait_bounds)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-28; consider upgrading it if it is out of date [INFO] [stdout] = help: use the desugared name of the async trait, such as `AsyncFn` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `async` trait bounds are unstable [INFO] [stdout] --> src/afit/map.rs:3:36 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn map U, U>( [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #62290 for more information [INFO] [stdout] = help: add `#![feature(async_trait_bounds)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-28; consider upgrading it if it is out of date [INFO] [stdout] = help: use the desugared name of the async trait, such as `AsyncFn` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `async` trait bounds are unstable [INFO] [stdout] --> src/afit/map.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | F: async Fn(Iter::Item) -> U, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #62290 for more information [INFO] [stdout] = help: add `#![feature(async_trait_bounds)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-28; consider upgrading it if it is out of date [INFO] [stdout] = help: use the desugared name of the async trait, such as `AsyncFn` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `async` trait bounds are unstable [INFO] [stdout] --> src/afit/map.rs:21:8 [INFO] [stdout] | [INFO] [stdout] 21 | F: async Fn(Iter::Item) -> U, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #62290 for more information [INFO] [stdout] = help: add `#![feature(async_trait_bounds)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-28; consider upgrading it if it is out of date [INFO] [stdout] = help: use the desugared name of the async trait, such as `AsyncFn` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `async` trait bounds are unstable [INFO] [stdout] --> src/push/mod.rs:13:33 [INFO] [stdout] | [INFO] [stdout] 13 | async fn exec(self, f: impl async FnMut(Option) -> ControlFlow<()>); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #62290 for more information [INFO] [stdout] = help: add `#![feature(async_trait_bounds)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-28; consider upgrading it if it is out of date [INFO] [stdout] = help: use the desugared name of the async trait, such as `AsyncFn` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `async` trait bounds are unstable [INFO] [stdout] --> src/push/mod.rs:15:41 [INFO] [stdout] | [INFO] [stdout] 15 | async fn for_each(self, mut f: impl async FnMut(Self::Item)) [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #62290 for more information [INFO] [stdout] = help: add `#![feature(async_trait_bounds)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-28; consider upgrading it if it is out of date [INFO] [stdout] = help: use the desugared name of the async trait, such as `AsyncFn` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `async` trait bounds are unstable [INFO] [stdout] --> src/push/mod.rs:36:41 [INFO] [stdout] | [INFO] [stdout] 36 | async fn exec(self, mut f: impl async FnMut(Option) -> ControlFlow<()>) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #62290 for more information [INFO] [stdout] = help: add `#![feature(async_trait_bounds)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-28; consider upgrading it if it is out of date [INFO] [stdout] = help: use the desugared name of the async trait, such as `AsyncFn` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `async` trait bounds are unstable [INFO] [stdout] --> src/push/mod.rs:64:41 [INFO] [stdout] | [INFO] [stdout] 64 | async fn exec(self, mut f: impl async FnMut(Option) -> ControlFlow<()>) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #62290 for more information [INFO] [stdout] = help: add `#![feature(async_trait_bounds)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-28; consider upgrading it if it is out of date [INFO] [stdout] = help: use the desugared name of the async trait, such as `AsyncFn` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `async` trait bounds are unstable [INFO] [stdout] --> src/push/filter.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | F: async FnMut(&S::Item) -> bool, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #62290 for more information [INFO] [stdout] = help: add `#![feature(async_trait_bounds)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-28; consider upgrading it if it is out of date [INFO] [stdout] = help: use the desugared name of the async trait, such as `AsyncFn` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `async` trait bounds are unstable [INFO] [stdout] --> src/push/filter.rs:21:8 [INFO] [stdout] | [INFO] [stdout] 21 | F: async FnMut(&S::Item) -> bool, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #62290 for more information [INFO] [stdout] = help: add `#![feature(async_trait_bounds)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-28; consider upgrading it if it is out of date [INFO] [stdout] = help: use the desugared name of the async trait, such as `AsyncFn` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `async` trait bounds are unstable [INFO] [stdout] --> src/push/filter.rs:25:41 [INFO] [stdout] | [INFO] [stdout] 25 | async fn exec(mut self, mut f: impl async FnMut(Option) -> ControlFlow<()>) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #62290 for more information [INFO] [stdout] = help: add `#![feature(async_trait_bounds)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-28; consider upgrading it if it is out of date [INFO] [stdout] = help: use the desugared name of the async trait, such as `AsyncFn` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `async` trait bounds are unstable [INFO] [stdout] --> src/push/filter.rs:43:8 [INFO] [stdout] | [INFO] [stdout] 43 | F: async FnMut(&S::Item) -> bool, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #62290 for more information [INFO] [stdout] = help: add `#![feature(async_trait_bounds)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-28; consider upgrading it if it is out of date [INFO] [stdout] = help: use the desugared name of the async trait, such as `AsyncFn` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `async` trait bounds are unstable [INFO] [stdout] --> src/push/merge.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 18 | F: async FnOnce(SendPipe, ReceivePipe) -> U, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #62290 for more information [INFO] [stdout] = help: add `#![feature(async_trait_bounds)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-28; consider upgrading it if it is out of date [INFO] [stdout] = help: use the desugared name of the async trait, such as `AsyncFn` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `async` trait bounds are unstable [INFO] [stdout] --> src/push/merge.rs:103:37 [INFO] [stdout] | [INFO] [stdout] 103 | async fn exec(self, mut f: impl async FnMut(Option) -> std::ops::ControlFlow<()>) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #62290 for more information [INFO] [stdout] = help: add `#![feature(async_trait_bounds)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-28; consider upgrading it if it is out of date [INFO] [stdout] = help: use the desugared name of the async trait, such as `AsyncFn` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `JoinRoot` and `JoinWith` [INFO] [stdout] --> src/future_combinators/mod.rs:10:34 [INFO] [stdout] | [INFO] [stdout] 10 | pub use join::{join, JoinFuture, JoinRoot, JoinWith}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `async_closure` has been stable since 1.85.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | async_closure, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `noop_waker` has been stable since 1.85.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | noop_waker, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0658`. [INFO] [stdout] [INFO] [stderr] error: could not compile `async-iteration-scratch` (lib) due to 14 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "3986d7bb8b7ab8ea4602f03b19960ae24f01fd7a311a2be08b6edb12900c4d9c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3986d7bb8b7ab8ea4602f03b19960ae24f01fd7a311a2be08b6edb12900c4d9c", kill_on_drop: false }` [INFO] [stdout] 3986d7bb8b7ab8ea4602f03b19960ae24f01fd7a311a2be08b6edb12900c4d9c