[INFO] fetching crate ref_clone 0.8.0...
[INFO] checking ref_clone-0.8.0 against try#31561a63598a0f21fc74c024747ef1310fdd2eb2 for pr-133536
[INFO] extracting crate ref_clone 0.8.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate ref_clone 0.8.0 on toolchain 31561a63598a0f21fc74c024747ef1310fdd2eb2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc271f5df53660e12dfe9bf369fd78515bfb1bec8949026d5908e2747f3ab1bf
[INFO] running `Command { std: "docker" "start" "-a" "bc271f5df53660e12dfe9bf369fd78515bfb1bec8949026d5908e2747f3ab1bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc271f5df53660e12dfe9bf369fd78515bfb1bec8949026d5908e2747f3ab1bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc271f5df53660e12dfe9bf369fd78515bfb1bec8949026d5908e2747f3ab1bf", kill_on_drop: false }`
[INFO] [stdout] bc271f5df53660e12dfe9bf369fd78515bfb1bec8949026d5908e2747f3ab1bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48205f6e12ff07440592352eaf807577fa7620f050d70cb2347085604f0e5446
[INFO] running `Command { std: "docker" "start" "-a" "48205f6e12ff07440592352eaf807577fa7620f050d70cb2347085604f0e5446", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling ref_clone_derive v0.7.0
[INFO] [stderr]     Checking 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 favor of `#![feature(adt_const_params)]` and `#![feature(generic_const_exprs)]`
[INFO] [stdout] 
[INFO] [stdout] 
[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 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] 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<T: RefType>: Iterator<Item = Ref<'a, Self::Item, T>>;
[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 <https://github.com/rust-lang/rust/issues/87479> for more information
[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<T: RefType>: Iterator<Item = Ref<'a, Self::Item, T>>;
[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 <https://github.com/rust-lang/rust/issues/87479> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ref_clone` (lib) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `ref_clone` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "48205f6e12ff07440592352eaf807577fa7620f050d70cb2347085604f0e5446", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48205f6e12ff07440592352eaf807577fa7620f050d70cb2347085604f0e5446", kill_on_drop: false }`
[INFO] [stdout] 48205f6e12ff07440592352eaf807577fa7620f050d70cb2347085604f0e5446
