[INFO] fetching crate ref_clone 0.8.0... [INFO] testing ref_clone-0.8.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2 [INFO] extracting crate ref_clone 0.8.0 into /workspace/builds/worker-5-tc1/source [INFO] started tweaking crates.io crate ref_clone 0.8.0 [INFO] finished tweaking crates.io crate ref_clone 0.8.0 [INFO] tweaked toml for crates.io crate ref_clone 0.8.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate ref_clone 0.8.0 on toolchain 562dee4820c458d823175268e41601d4c060588a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 5 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ref_clone_derive v0.7.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 91af8e6c9258e27be8d43c83d85b3c9ff5b57932e6af856207deaf22157ca520 [INFO] running `Command { std: "docker" "start" "-a" "91af8e6c9258e27be8d43c83d85b3c9ff5b57932e6af856207deaf22157ca520", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "91af8e6c9258e27be8d43c83d85b3c9ff5b57932e6af856207deaf22157ca520", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "91af8e6c9258e27be8d43c83d85b3c9ff5b57932e6af856207deaf22157ca520", kill_on_drop: false }` [INFO] [stdout] 91af8e6c9258e27be8d43c83d85b3c9ff5b57932e6af856207deaf22157ca520 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e629d835109ce5edd751da86e7068fbc11b84cd03a8e67f16de2d76f16286c42 [INFO] running `Command { std: "docker" "start" "-a" "e629d835109ce5edd751da86e7068fbc11b84cd03a8e67f16de2d76f16286c42", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling ref_clone_derive v0.7.0 [INFO] [stderr] Compiling ref_clone v0.8.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:37:12 [INFO] [stdout] | [INFO] [stdout] 37 | #![feature(const_generics)] [INFO] [stdout] | ^^^^^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: removed in 1.56.0; see for more information [INFO] [stdout] = note: removed in favor of `#![feature(adt_const_params)]` and `#![feature(generic_const_exprs)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `generic_associated_types` has been stable since 1.65.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:39:12 [INFO] [stdout] | [INFO] [stdout] 39 | #![feature(generic_associated_types)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: missing required bound on `IntoIter` [INFO] [stdout] --> src/traits.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | type IntoIter: Iterator>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- [INFO] [stdout] | | [INFO] [stdout] | help: add the required where clause: `where Self: 'a` [INFO] [stdout] | [INFO] [stdout] = note: this bound is currently required to ensure that impls have maximum flexibility [INFO] [stdout] = note: we are soliciting feedback, see issue #87479 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `ref_clone` (lib) due to 2 previous errors; 1 warning emitted [INFO] [stdout] For more information about this error, try `rustc --explain E0557`. [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "e629d835109ce5edd751da86e7068fbc11b84cd03a8e67f16de2d76f16286c42", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e629d835109ce5edd751da86e7068fbc11b84cd03a8e67f16de2d76f16286c42", kill_on_drop: false }` [INFO] [stdout] e629d835109ce5edd751da86e7068fbc11b84cd03a8e67f16de2d76f16286c42