[INFO] cloning repository https://github.com/js2xxx/owned-pin [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/js2xxx/owned-pin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjs2xxx%2Fowned-pin", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjs2xxx%2Fowned-pin'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b1419160a2dd5989c914cd60638a7650d23a4e07 [INFO] testing js2xxx/owned-pin against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjs2xxx%2Fowned-pin" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/js2xxx/owned-pin [INFO] finished tweaking git repo https://github.com/js2xxx/owned-pin [INFO] tweaked toml for git repo https://github.com/js2xxx/owned-pin written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/js2xxx/owned-pin 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/js2xxx/owned-pin 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] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 03f9367a57fecbd9627193efa0a80163c6bc697731b7a8b31824b7a78839a05d [INFO] running `Command { std: "docker" "start" "-a" "03f9367a57fecbd9627193efa0a80163c6bc697731b7a8b31824b7a78839a05d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "03f9367a57fecbd9627193efa0a80163c6bc697731b7a8b31824b7a78839a05d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "03f9367a57fecbd9627193efa0a80163c6bc697731b7a8b31824b7a78839a05d", kill_on_drop: false }` [INFO] [stdout] 03f9367a57fecbd9627193efa0a80163c6bc697731b7a8b31824b7a78839a05d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 788b4fdd80c847be0ed57aa059e14fb00148930171090d76410c8e588c436a78 [INFO] running `Command { std: "docker" "start" "-a" "788b4fdd80c847be0ed57aa059e14fb00148930171090d76410c8e588c436a78", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.70 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling syn v2.0.39 [INFO] [stderr] Compiling pinned-init-macro v0.0.4 [INFO] [stderr] Compiling pinned-init v0.0.6 [INFO] [stderr] Compiling owned-pin-macros v0.2.0 [INFO] [stderr] Compiling owned-pin v1.3.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `error_in_core` has been stable since 1.81.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:104:12 [INFO] [stdout] | [INFO] [stdout] 104 | #![feature(error_in_core)] [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `new_uninit` has been stable since 1.82.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:110:40 [INFO] [stdout] | [INFO] [stdout] 110 | #![cfg_attr(feature = "alloc", feature(new_uninit))] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `receiver_trait` [INFO] [stdout] --> src/lib.rs:106:12 [INFO] [stdout] | [INFO] [stdout] 106 | #![feature(receiver_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature `arbitrary_self_types` [INFO] [stdout] --> src/pointer.rs:11:87 [INFO] [stdout] | [INFO] [stdout] 11 | ops::{CoerceUnsized, Coroutine, CoroutineState, Deref, DerefMut, DispatchFromDyn, Receiver}, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #44874 for more information [INFO] [stdout] = help: add `#![feature(arbitrary_self_types)]` 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] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature `arbitrary_self_types` [INFO] [stdout] --> src/pointer.rs:61:21 [INFO] [stdout] | [INFO] [stdout] 61 | impl<'a, T: ?Sized> Receiver for OnStack<'a, T> {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #44874 for more information [INFO] [stdout] = help: add `#![feature(arbitrary_self_types)]` 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] [INFO] [stdout] [INFO] [stdout] error[E0119]: conflicting implementations of trait `Receiver` for type `OnStack<'_, _>` [INFO] [stdout] --> src/pointer.rs:61:1 [INFO] [stdout] | [INFO] [stdout] 61 | impl<'a, T: ?Sized> Receiver for OnStack<'a, T> {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: conflicting implementation in crate `core`: [INFO] [stdout] - impl Receiver for P [INFO] [stdout] where

::Target == T, P: Deref, P: ?Sized, T: ?Sized; [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/lib.rs:267:36 [INFO] [stdout] | [INFO] [stdout] 261 | unsafe impl RawConvertable for Rc { [INFO] [stdout] | - found this type parameter [INFO] [stdout] ... [INFO] [stdout] 267 | let ptr = Rc::into_raw(this); [INFO] [stdout] | ------------ ^^^^ expected `Rc<_>`, found `Rc` [INFO] [stdout] | | [INFO] [stdout] | arguments to this function are incorrect [INFO] [stdout] | [INFO] [stdout] = note: expected struct `Rc<_, alloc::alloc::Global>` [INFO] [stdout] found struct `Rc` [INFO] [stdout] note: associated function defined here [INFO] [stdout] --> /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/alloc/src/rc.rs:1344:12 [INFO] [stdout] help: call `Into::into` on this expression to convert `Rc` into `Rc<_>` [INFO] [stdout] | [INFO] [stdout] 267 | let ptr = Rc::into_raw(this.into()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed for `*const _` [INFO] [stdout] --> src/lib.rs:267:17 [INFO] [stdout] | [INFO] [stdout] 267 | let ptr = Rc::into_raw(this); [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 270 | (unsafe { NonNull::new_unchecked(ptr.cast_mut()) }, alloc) [INFO] [stdout] | -------- cannot call a method on a raw pointer with an unknown pointee type [INFO] [stdout] | [INFO] [stdout] help: consider giving `ptr` an explicit type, where the type for type parameter `T` is specified [INFO] [stdout] | [INFO] [stdout] 267 | let ptr: *const T = Rc::into_raw(this); [INFO] [stdout] | ++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/lib.rs:287:37 [INFO] [stdout] | [INFO] [stdout] 281 | unsafe impl RawConvertable for Arc { [INFO] [stdout] | - found this type parameter [INFO] [stdout] ... [INFO] [stdout] 287 | let ptr = Arc::into_raw(this); [INFO] [stdout] | ------------- ^^^^ expected `Arc<_>`, found `Arc` [INFO] [stdout] | | [INFO] [stdout] | arguments to this function are incorrect [INFO] [stdout] | [INFO] [stdout] = note: expected struct `Arc<_, alloc::alloc::Global>` [INFO] [stdout] found struct `Arc` [INFO] [stdout] note: associated function defined here [INFO] [stdout] --> /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/alloc/src/sync.rs:1489:12 [INFO] [stdout] help: call `Into::into` on this expression to convert `Arc` into `Arc<_>` [INFO] [stdout] | [INFO] [stdout] 287 | let ptr = Arc::into_raw(this.into()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed for `*const _` [INFO] [stdout] --> src/lib.rs:287:17 [INFO] [stdout] | [INFO] [stdout] 287 | let ptr = Arc::into_raw(this); [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 290 | (unsafe { NonNull::new_unchecked(ptr.cast_mut()) }, alloc) [INFO] [stdout] | -------- cannot call a method on a raw pointer with an unknown pointee type [INFO] [stdout] | [INFO] [stdout] help: consider giving `ptr` an explicit type, where the type for type parameter `T` is specified [INFO] [stdout] | [INFO] [stdout] 287 | let ptr: *const T = Arc::into_raw(this); [INFO] [stdout] | ++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0119, E0282, E0308, E0635, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0119`. [INFO] [stdout] [INFO] [stderr] error: could not compile `owned-pin` (lib) due to 8 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "788b4fdd80c847be0ed57aa059e14fb00148930171090d76410c8e588c436a78", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "788b4fdd80c847be0ed57aa059e14fb00148930171090d76410c8e588c436a78", kill_on_drop: false }` [INFO] [stdout] 788b4fdd80c847be0ed57aa059e14fb00148930171090d76410c8e588c436a78