[INFO] fetching crate extra_pointers 0.1.4...
[INFO] checking extra_pointers-0.1.4 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4
[INFO] extracting crate extra_pointers 0.1.4 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate extra_pointers 0.1.4 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "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-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb5a49ada9c6c41ec036fd13e56894748f4736e61a294434f4ffe5e1eb336b89
[INFO] running `Command { std: "docker" "start" "-a" "bb5a49ada9c6c41ec036fd13e56894748f4736e61a294434f4ffe5e1eb336b89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb5a49ada9c6c41ec036fd13e56894748f4736e61a294434f4ffe5e1eb336b89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb5a49ada9c6c41ec036fd13e56894748f4736e61a294434f4ffe5e1eb336b89", kill_on_drop: false }`
[INFO] [stdout] bb5a49ada9c6c41ec036fd13e56894748f4736e61a294434f4ffe5e1eb336b89
[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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef39128c1491a3e82e4a47b4962b1edb6fb4028b2c117e81a7c9f24fde4611bd
[INFO] running `Command { std: "docker" "start" "-a" "ef39128c1491a3e82e4a47b4962b1edb6fb4028b2c117e81a7c9f24fde4611bd", kill_on_drop: false }`
[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] 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[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[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
[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] [stderr] error: could not compile `extra_pointers` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 3 previous errors
[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] [stderr] error: could not compile `extra_pointers` (lib test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "ef39128c1491a3e82e4a47b4962b1edb6fb4028b2c117e81a7c9f24fde4611bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef39128c1491a3e82e4a47b4962b1edb6fb4028b2c117e81a7c9f24fde4611bd", kill_on_drop: false }`
[INFO] [stdout] ef39128c1491a3e82e4a47b4962b1edb6fb4028b2c117e81a7c9f24fde4611bd