[INFO] fetching crate uchan 0.1.4...
[INFO] testing uchan-0.1.4 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate uchan 0.1.4 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate uchan 0.1.4
[INFO] finished tweaking crates.io crate uchan 0.1.4
[INFO] tweaked toml for crates.io crate uchan 0.1.4 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate uchan 0.1.4 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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 cache-padded v1.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a743bd356a68c25f261d1a01544cf85b58f47071236779dd28a69d3f6313bb0d
[INFO] running `Command { std: "docker" "start" "-a" "a743bd356a68c25f261d1a01544cf85b58f47071236779dd28a69d3f6313bb0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a743bd356a68c25f261d1a01544cf85b58f47071236779dd28a69d3f6313bb0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a743bd356a68c25f261d1a01544cf85b58f47071236779dd28a69d3f6313bb0d", kill_on_drop: false }`
[INFO] [stdout] a743bd356a68c25f261d1a01544cf85b58f47071236779dd28a69d3f6313bb0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb4bfb466b76ee9d2860f9296e2124956c98c274685ed64cbcddc300125cebff
[INFO] running `Command { std: "docker" "start" "-a" "bb4bfb466b76ee9d2860f9296e2124956c98c274685ed64cbcddc300125cebff", kill_on_drop: false }`
[INFO] [stderr]    Compiling sptr v0.3.2
[INFO] [stderr]    Compiling cache-padded v1.3.0
[INFO] [stderr]    Compiling uchan v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated struct `cache_padded::CachePadded`: This crate is now deprecated in favor of [crossbeam-utils::CachePadded](https://docs.rs/crossbeam-utils/latest/crossbeam_utils/struct.CachePadded.html).
[INFO] [stdout]  --> src/queue/./faa.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 | use cache_padded::CachePadded;
[INFO] [stdout]   |                   ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `cache_padded::CachePadded`: This crate is now deprecated in favor of [crossbeam-utils::CachePadded](https://docs.rs/crossbeam-utils/latest/crossbeam_utils/struct.CachePadded.html).
[INFO] [stdout]   --> src/queue/./faa.rs:68:15
[INFO] [stdout]    |
[INFO] [stdout] 68 |     producer: CachePadded<AtomicPtr<Block<T>>>,
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `cache_padded::CachePadded`: This crate is now deprecated in favor of [crossbeam-utils::CachePadded](https://docs.rs/crossbeam-utils/latest/crossbeam_utils/struct.CachePadded.html).
[INFO] [stdout]   --> src/queue/./faa.rs:69:15
[INFO] [stdout]    |
[INFO] [stdout] 69 |     consumer: CachePadded<Consumer<T>>,
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `cache_padded::CachePadded`: This crate is now deprecated in favor of [crossbeam-utils::CachePadded](https://docs.rs/crossbeam-utils/latest/crossbeam_utils/struct.CachePadded.html).
[INFO] [stdout]   --> src/queue/./faa.rs:74:19
[INFO] [stdout]    |
[INFO] [stdout] 74 |         producer: CachePadded::new(AtomicPtr::new(null_mut())),
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `cache_padded::CachePadded`: This crate is now deprecated in favor of [crossbeam-utils::CachePadded](https://docs.rs/crossbeam-utils/latest/crossbeam_utils/struct.CachePadded.html).
[INFO] [stdout]   --> src/queue/./faa.rs:75:19
[INFO] [stdout]    |
[INFO] [stdout] 75 |         consumer: CachePadded::new(Consumer {
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `cache_padded::CachePadded::<T>::new`: This crate is now deprecated in favor of [crossbeam-utils::CachePadded](https://docs.rs/crossbeam-utils/latest/crossbeam_utils/struct.CachePadded.html).
[INFO] [stdout]   --> src/queue/./faa.rs:74:32
[INFO] [stdout]    |
[INFO] [stdout] 74 |         producer: CachePadded::new(AtomicPtr::new(null_mut())),
[INFO] [stdout]    |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `cache_padded::CachePadded::<T>::new`: This crate is now deprecated in favor of [crossbeam-utils::CachePadded](https://docs.rs/crossbeam-utils/latest/crossbeam_utils/struct.CachePadded.html).
[INFO] [stdout]   --> src/queue/./faa.rs:75:32
[INFO] [stdout]    |
[INFO] [stdout] 75 |         consumer: CachePadded::new(Consumer {
[INFO] [stdout]    |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sptr::Strict`
[INFO] [stdout]   --> src/queue/./faa.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use sptr::Strict;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/queue/./faa.rs:271:30
[INFO] [stdout]     |
[INFO] [stdout] 271 |                 for slot in &(*block).slots[index..] {
[INFO] [stdout]     |                              ^^-----^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                this raw pointer has type `*mut Block<T>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&[Slot<T>; 256]`
[INFO] [stdout]    --> src/queue/./faa.rs:271:30
[INFO] [stdout]     |
[INFO] [stdout] 271 |                 for slot in &(*block).slots[index..] {
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[deny(dangerous_implicit_autorefs)]` on by default
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 271 |                 for slot in &(&(*block).slots)[index..] {
[INFO] [stdout]     |                              ++              +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `uchan` (lib) due to 1 previous error; 8 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "bb4bfb466b76ee9d2860f9296e2124956c98c274685ed64cbcddc300125cebff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb4bfb466b76ee9d2860f9296e2124956c98c274685ed64cbcddc300125cebff", kill_on_drop: false }`
[INFO] [stdout] bb4bfb466b76ee9d2860f9296e2124956c98c274685ed64cbcddc300125cebff
