[INFO] fetching crate extra_pointers 0.1.4...
[INFO] checking extra_pointers-0.1.4 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] extracting crate extra_pointers 0.1.4 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate extra_pointers 0.1.4 on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate extra_pointers 0.1.4
[INFO] finished tweaking crates.io crate extra_pointers 0.1.4
[INFO] tweaked toml for crates.io crate extra_pointers 0.1.4 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5dc778e5a82e9d062e63e349671a4aa64d1558c6e2e8c0e31c891a5b4b8417d6
[INFO] running `Command { std: "docker" "start" "-a" "5dc778e5a82e9d062e63e349671a4aa64d1558c6e2e8c0e31c891a5b4b8417d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5dc778e5a82e9d062e63e349671a4aa64d1558c6e2e8c0e31c891a5b4b8417d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dc778e5a82e9d062e63e349671a4aa64d1558c6e2e8c0e31c891a5b4b8417d6", kill_on_drop: false }`
[INFO] [stdout] 5dc778e5a82e9d062e63e349671a4aa64d1558c6e2e8c0e31c891a5b4b8417d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fd17d70be1fc301fbf3b0c63514f10316535b6051d77eccf7dfce277d2a8367
[INFO] running `Command { std: "docker" "start" "-a" "0fd17d70be1fc301fbf3b0c63514f10316535b6051d77eccf7dfce277d2a8367", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking extra_pointers v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::ptr::Shared`
[INFO] [stdout]  --> src/irc.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::ptr::Shared;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^ no `Shared` in `ptr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `intrinsics` is internal to the compiler or standard library
[INFO] [stdout]  --> src/lib.rs:1:44
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(shared, unsize, coerce_unsized, intrinsics)]
[INFO] [stdout]   |                                            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: using it is strongly discouraged
[INFO] [stdout]   = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::ptr::Shared`
[INFO] [stdout]  --> src/irc.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::ptr::Shared;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^ no `Shared` in `ptr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `shared`
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(shared, unsize, coerce_unsized, intrinsics)]
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0374]: the trait `CoerceUnsized` may only be implemented for a coercion between structures
[INFO] [stdout]   --> src/irc.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl<T: ?Sized + IntrusiveReferenceCounted, U: ?Sized + IntrusiveReferenceCounted> CoerceUnsized<Irc<U>> for Irc<T> where T: Unsize<U> {}
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected a single field to be coerced, none found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `intrinsics` is internal to the compiler or standard library
[INFO] [stdout]  --> src/lib.rs:1:44
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(shared, unsize, coerce_unsized, intrinsics)]
[INFO] [stdout]   |                                            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: using it is strongly discouraged
[INFO] [stdout]   = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::any::Any`
[INFO] [stdout]  --> src/test.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::any::Any;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `shared`
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(shared, unsize, coerce_unsized, intrinsics)]
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0374]: the trait `CoerceUnsized` may only be implemented for a coercion between structures
[INFO] [stdout]   --> src/irc.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl<T: ?Sized + IntrusiveReferenceCounted, U: ?Sized + IntrusiveReferenceCounted> CoerceUnsized<Irc<U>> for Irc<T> where T: Unsize<U> {}
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected a single field to be coerced, none found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0374, E0432, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0374`.
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/test.rs:20:33
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let irc2 = irc1.clone() as Irc<IntrusiveReferenceCounted>;
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let irc2 = irc1.clone() as Irc<dyn IntrusiveReferenceCounted>;
[INFO] [stdout]    |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `extra_pointers` (lib) due to 4 previous errors; 1 warning emitted
[INFO] [stdout] error[E0620]: cast to unsized type: `Irc<IrcWrapped<[A; 2]>>` as `Irc<IrcWrapped<[A; 2]>>`
[INFO] [stdout]   --> src/test.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let irc1 = IrcWrapped::new_irc([A, A]) as Irc<IrcWrapped<[A;2]>>;
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider using a box or reference as appropriate
[INFO] [stdout]   --> src/test.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let irc1 = IrcWrapped::new_irc([A, A]) as Irc<IrcWrapped<[A;2]>>;
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0620]: cast to unsized type: `Irc<IrcWrapped<[A; 2]>>` as `Irc<dyn IntrusiveReferenceCounted>`
[INFO] [stdout]   --> src/test.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let irc2 = irc1.clone() as Irc<IntrusiveReferenceCounted>;
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider using a box or reference as appropriate
[INFO] [stdout]   --> src/test.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let irc2 = irc1.clone() as Irc<IntrusiveReferenceCounted>;
[INFO] [stdout]    |                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0620]: cast to unsized type: `Irc<AircWrapped<[A; 1]>>` as `Irc<AircWrapped<[A]>>`
[INFO] [stdout]   --> src/test.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let irc2 = irc1.clone() as Irc<AircWrapped<[A]>>;
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider using a box or reference as appropriate
[INFO] [stdout]   --> src/test.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let irc2 = irc1.clone() as Irc<AircWrapped<[A]>>;
[INFO] [stdout]    |                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0374, E0432, E0620, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0374`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `extra_pointers` (lib test) due to 7 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "0fd17d70be1fc301fbf3b0c63514f10316535b6051d77eccf7dfce277d2a8367", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fd17d70be1fc301fbf3b0c63514f10316535b6051d77eccf7dfce277d2a8367", kill_on_drop: false }`
[INFO] [stdout] 0fd17d70be1fc301fbf3b0c63514f10316535b6051d77eccf7dfce277d2a8367