[INFO] cloning repository https://github.com/thaliaarchi/bfrs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thaliaarchi/bfrs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthaliaarchi%2Fbfrs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthaliaarchi%2Fbfrs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 373d05111f358e94bcce90d078430883991638e1
[INFO] checking thaliaarchi/bfrs against master#b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd for pr-155499
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthaliaarchi%2Fbfrs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/thaliaarchi/bfrs
[INFO] finished tweaking git repo https://github.com/thaliaarchi/bfrs
[INFO] tweaked toml for git repo https://github.com/thaliaarchi/bfrs written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/thaliaarchi/bfrs on toolchain b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/thaliaarchi/bfrs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd8253eb90d59857e664b37e9678b6fcd20cdd77116b3ec4f149fe285783d9cb
[INFO] running `Command { std: "docker" "start" "-a" "bd8253eb90d59857e664b37e9678b6fcd20cdd77116b3ec4f149fe285783d9cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd8253eb90d59857e664b37e9678b6fcd20cdd77116b3ec4f149fe285783d9cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd8253eb90d59857e664b37e9678b6fcd20cdd77116b3ec4f149fe285783d9cb", kill_on_drop: false }`
[INFO] [stdout] bd8253eb90d59857e664b37e9678b6fcd20cdd77116b3ec4f149fe285783d9cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3beaf0ff3b2b6cae1eb22f63826f81071652de65435218db4843a21ff2d04157
[INFO] running `Command { std: "docker" "start" "-a" "3beaf0ff3b2b6cae1eb22f63826f81071652de65435218db4843a21ff2d04157", kill_on_drop: false }`
[INFO] [stderr]     Checking allocator-api2 v0.2.18
[INFO] [stderr]     Checking foldhash v0.1.3
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking hashbrown v0.15.0
[INFO] [stderr]     Checking bfrs1 v0.1.0 (/opt/rustwide/workdir/bfrs1)
[INFO] [stderr]     Checking bfrs2 v0.1.0 (/opt/rustwide/workdir/bfrs2)
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> bfrs2/src/arena.rs:103:25
[INFO] [stdout]     |
[INFO] [stdout] 103 |             let chunk = (*self.chunks.get()).get_unchecked(index / Self::CHUNK_SIZE);
[INFO] [stdout]     |                         ^^-----------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           this raw pointer has type `*mut Vec<*mut MaybeUninit<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: `&[*mut MaybeUninit<T>]`
[INFO] [stdout]    --> bfrs2/src/arena.rs:103:25
[INFO] [stdout]     |
[INFO] [stdout] 103 |             let chunk = (*self.chunks.get()).get_unchecked(index / Self::CHUNK_SIZE);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: method calls to `get_unchecked` require a reference
[INFO] [stdout]    --> /rustc/b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd/library/core/src/slice/mod.rs:639:4
[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] 103 |             let chunk = (&(*self.chunks.get())).get_unchecked(index / Self::CHUNK_SIZE);
[INFO] [stdout]     |                         ++                    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> bfrs2/src/arena.rs:117:25
[INFO] [stdout]     |
[INFO] [stdout] 117 |             let chunk = (*self.chunks.get()).get_unchecked_mut(index / Self::CHUNK_SIZE);
[INFO] [stdout]     |                         ^^-----------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           this raw pointer has type `*mut Vec<*mut MaybeUninit<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: `&mut [*mut MaybeUninit<T>]`
[INFO] [stdout]    --> bfrs2/src/arena.rs:117:25
[INFO] [stdout]     |
[INFO] [stdout] 117 |             let chunk = (*self.chunks.get()).get_unchecked_mut(index / Self::CHUNK_SIZE);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: method calls to `get_unchecked_mut` require a reference
[INFO] [stdout]    --> /rustc/b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd/library/core/src/slice/mod.rs:684:4
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 117 |             let chunk = (&mut (*self.chunks.get())).get_unchecked_mut(index / Self::CHUNK_SIZE);
[INFO] [stdout]     |                         +++++                     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bfrs2` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> bfrs2/src/arena.rs:103:25
[INFO] [stdout]     |
[INFO] [stdout] 103 |             let chunk = (*self.chunks.get()).get_unchecked(index / Self::CHUNK_SIZE);
[INFO] [stdout]     |                         ^^-----------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           this raw pointer has type `*mut Vec<*mut MaybeUninit<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: `&[*mut MaybeUninit<T>]`
[INFO] [stdout]    --> bfrs2/src/arena.rs:103:25
[INFO] [stdout]     |
[INFO] [stdout] 103 |             let chunk = (*self.chunks.get()).get_unchecked(index / Self::CHUNK_SIZE);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: method calls to `get_unchecked` require a reference
[INFO] [stdout]    --> /rustc/b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd/library/core/src/slice/mod.rs:639:4
[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] 103 |             let chunk = (&(*self.chunks.get())).get_unchecked(index / Self::CHUNK_SIZE);
[INFO] [stdout]     |                         ++                    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> bfrs2/src/arena.rs:117:25
[INFO] [stdout]     |
[INFO] [stdout] 117 |             let chunk = (*self.chunks.get()).get_unchecked_mut(index / Self::CHUNK_SIZE);
[INFO] [stdout]     |                         ^^-----------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           this raw pointer has type `*mut Vec<*mut MaybeUninit<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: `&mut [*mut MaybeUninit<T>]`
[INFO] [stdout]    --> bfrs2/src/arena.rs:117:25
[INFO] [stdout]     |
[INFO] [stdout] 117 |             let chunk = (*self.chunks.get()).get_unchecked_mut(index / Self::CHUNK_SIZE);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: method calls to `get_unchecked_mut` require a reference
[INFO] [stdout]    --> /rustc/b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd/library/core/src/slice/mod.rs:684:4
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 117 |             let chunk = (&mut (*self.chunks.get())).get_unchecked_mut(index / Self::CHUNK_SIZE);
[INFO] [stdout]     |                         +++++                     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bfrs2` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "3beaf0ff3b2b6cae1eb22f63826f81071652de65435218db4843a21ff2d04157", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3beaf0ff3b2b6cae1eb22f63826f81071652de65435218db4843a21ff2d04157", kill_on_drop: false }`
[INFO] [stdout] 3beaf0ff3b2b6cae1eb22f63826f81071652de65435218db4843a21ff2d04157
