[INFO] fetching crate pin-rc 0.1.0... [INFO] testing pin-rc-0.1.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2 [INFO] extracting crate pin-rc 0.1.0 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate pin-rc 0.1.0 [INFO] finished tweaking crates.io crate pin-rc 0.1.0 [INFO] tweaked toml for crates.io crate pin-rc 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate pin-rc 0.1.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] aee0235bebf468c8f2c28e9a4846ef06086a9e75fde2996e2cf9e9e2d74d6d33 [INFO] running `Command { std: "docker" "start" "-a" "aee0235bebf468c8f2c28e9a4846ef06086a9e75fde2996e2cf9e9e2d74d6d33", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "aee0235bebf468c8f2c28e9a4846ef06086a9e75fde2996e2cf9e9e2d74d6d33", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aee0235bebf468c8f2c28e9a4846ef06086a9e75fde2996e2cf9e9e2d74d6d33", kill_on_drop: false }` [INFO] [stdout] aee0235bebf468c8f2c28e9a4846ef06086a9e75fde2996e2cf9e9e2d74d6d33 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] db4ec5325ddc399e87eab33baa77854f5f846ac63e4b957ae2403bbcf4ab6f4b [INFO] running `Command { std: "docker" "start" "-a" "db4ec5325ddc399e87eab33baa77854f5f846ac63e4b957ae2403bbcf4ab6f4b", kill_on_drop: false }` [INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] Compiling pin-rc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0432]: unresolved import `std::mem::Pin` [INFO] [stdout] --> src/pin_rc.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::mem::Pin; [INFO] [stdout] | ^^^^^^^^^^^^^ no `Pin` in `mem` [INFO] [stdout] | [INFO] [stdout] help: consider importing this struct instead [INFO] [stdout] | [INFO] [stdout] 3 - use std::mem::Pin; [INFO] [stdout] 3 + use std::pin::Pin; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved import `std::mem::Pin` [INFO] [stdout] --> src/pin_arc.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::mem::Pin; [INFO] [stdout] | ^^^^^^^^^^^^^ no `Pin` in `mem` [INFO] [stdout] | [INFO] [stdout] help: consider importing this struct instead [INFO] [stdout] | [INFO] [stdout] 5 - use std::mem::Pin; [INFO] [stdout] 5 + use std::pin::Pin; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: yield syntax is experimental [INFO] [stdout] --> src/lib.rs:34:17 [INFO] [stdout] | [INFO] [stdout] 34 | yield i; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #43122 for more information [INFO] [stdout] = help: add `#![feature(yield_expr)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2026-03-22; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: yield syntax is experimental [INFO] [stdout] --> src/lib.rs:50:17 [INFO] [stdout] | [INFO] [stdout] 50 | yield i; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #43122 for more information [INFO] [stdout] = help: add `#![feature(yield_expr)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2026-03-22; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: ambiguous glob re-exports [INFO] [stdout] --> src/lib.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | pub use pin_rc::*; [INFO] [stdout] | ^^^^^^^^^ the name `PinWeak` in the type namespace is first re-exported here [INFO] [stdout] 5 | pub use pin_arc::*; [INFO] [stdout] | ---------- but the name `PinWeak` in the type namespace is also re-exported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ambiguous_glob_reexports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `pin` has been stable since 1.33.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(pin)] [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0432, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0432`. [INFO] [stdout] [INFO] [stderr] error: could not compile `pin-rc` (lib) due to 4 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "db4ec5325ddc399e87eab33baa77854f5f846ac63e4b957ae2403bbcf4ab6f4b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db4ec5325ddc399e87eab33baa77854f5f846ac63e4b957ae2403bbcf4ab6f4b", kill_on_drop: false }` [INFO] [stdout] db4ec5325ddc399e87eab33baa77854f5f846ac63e4b957ae2403bbcf4ab6f4b