[INFO] fetching crate pratt-gen-core 0.1.0...
[INFO] checking pratt-gen-core-0.1.0 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate pratt-gen-core 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate pratt-gen-core 0.1.0
[INFO] finished tweaking crates.io crate pratt-gen-core 0.1.0
[INFO] tweaked toml for crates.io crate pratt-gen-core 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pratt-gen-core 0.1.0 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 37 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding rand_xoshiro v0.6.0 (available: v0.7.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb4816b34d5586ae7b795bd789be476f63a2754aa489fde97717029e9f27dc88
[INFO] running `Command { std: "docker" "start" "-a" "fb4816b34d5586ae7b795bd789be476f63a2754aa489fde97717029e9f27dc88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb4816b34d5586ae7b795bd789be476f63a2754aa489fde97717029e9f27dc88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb4816b34d5586ae7b795bd789be476f63a2754aa489fde97717029e9f27dc88", kill_on_drop: false }`
[INFO] [stdout] fb4816b34d5586ae7b795bd789be476f63a2754aa489fde97717029e9f27dc88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d051ab26af80922804da031cf514dce3d92b8a38d837cc615ef8bced85ae384f
[INFO] running `Command { std: "docker" "start" "-a" "d051ab26af80922804da031cf514dce3d92b8a38d837cc615ef8bced85ae384f", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_xoshiro v0.6.0
[INFO] [stderr]     Checking pratt-gen-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]   --> src/arena.rs:32:26
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let slice = &mut (*self.buffer.get())[a / N][a % N .. b % N];
[INFO] [stdout]    |                          ^^-----------------^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            this raw pointer has type `*mut Vec<Box<[u8; 4096]>>`
[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 [u8; 4096]`
[INFO] [stdout]   --> src/arena.rs:32:26
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let slice = &mut (*self.buffer.get())[a / N][a % N .. b % N];
[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] 32 |         let slice = &mut (&mut (*self.buffer.get())[a / N])[a % N .. b % N];
[INFO] [stdout]    |                          +++++                            +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]   --> src/arena.rs:32:26
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let slice = &mut (*self.buffer.get())[a / N][a % N .. b % N];
[INFO] [stdout]    |                          ^^-----------------^^^^^^^^
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            this raw pointer has type `*mut Vec<Box<[u8; 4096]>>`
[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 Vec<Box<[u8; 4096]>>`
[INFO] [stdout]   --> src/arena.rs:32:26
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let slice = &mut (*self.buffer.get())[a / N][a % N .. b % N];
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let slice = &mut (&mut (*self.buffer.get()))[a / N][a % N .. b % N];
[INFO] [stdout]    |                          +++++                     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]   --> src/arena.rs:54:26
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let slice = &mut (*self.buffer.get())[a / N][a % N .. b % N];
[INFO] [stdout]    |                          ^^-----------------^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            this raw pointer has type `*mut Vec<Box<[u8; 4096]>>`
[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 [u8; 4096]`
[INFO] [stdout]   --> src/arena.rs:54:26
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let slice = &mut (*self.buffer.get())[a / N][a % N .. b % N];
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let slice = &mut (&mut (*self.buffer.get())[a / N])[a % N .. b % N];
[INFO] [stdout]    |                          +++++                            +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]   --> src/arena.rs:54:26
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let slice = &mut (*self.buffer.get())[a / N][a % N .. b % N];
[INFO] [stdout]    |                          ^^-----------------^^^^^^^^
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            this raw pointer has type `*mut Vec<Box<[u8; 4096]>>`
[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 Vec<Box<[u8; 4096]>>`
[INFO] [stdout]   --> src/arena.rs:54:26
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let slice = &mut (*self.buffer.get())[a / N][a % N .. b % N];
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let slice = &mut (&mut (*self.buffer.get()))[a / N][a % N .. b % N];
[INFO] [stdout]    |                          +++++                     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pratt-gen-core` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d051ab26af80922804da031cf514dce3d92b8a38d837cc615ef8bced85ae384f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d051ab26af80922804da031cf514dce3d92b8a38d837cc615ef8bced85ae384f", kill_on_drop: false }`
[INFO] [stdout] d051ab26af80922804da031cf514dce3d92b8a38d837cc615ef8bced85ae384f