[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 try#0de49ae9e81f9a1e7df6f0783824ce94ed18e8a9 for pr-147185
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthaliaarchi%2Fbfrs" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/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-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/thaliaarchi/bfrs on toolchain 0de49ae9e81f9a1e7df6f0783824ce94ed18e8a9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0de49ae9e81f9a1e7df6f0783824ce94ed18e8a9" "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" "+0de49ae9e81f9a1e7df6f0783824ce94ed18e8a9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking thaliaarchi/bfrs against try#0de49ae9e81f9a1e7df6f0783824ce94ed18e8a9 for pr-147185
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthaliaarchi%2Fbfrs" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/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-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/thaliaarchi/bfrs on toolchain 0de49ae9e81f9a1e7df6f0783824ce94ed18e8a9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0de49ae9e81f9a1e7df6f0783824ce94ed18e8a9" "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" "+0de49ae9e81f9a1e7df6f0783824ce94ed18e8a9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+0de49ae9e81f9a1e7df6f0783824ce94ed18e8a9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc63b3ac0b20ec9e44dcd1d8488d6979d8d30459c7dedd742eaa1fcc8667a537
[INFO] running `Command { std: "docker" "start" "-a" "fc63b3ac0b20ec9e44dcd1d8488d6979d8d30459c7dedd742eaa1fcc8667a537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc63b3ac0b20ec9e44dcd1d8488d6979d8d30459c7dedd742eaa1fcc8667a537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc63b3ac0b20ec9e44dcd1d8488d6979d8d30459c7dedd742eaa1fcc8667a537", kill_on_drop: false }`
[INFO] [stdout] fc63b3ac0b20ec9e44dcd1d8488d6979d8d30459c7dedd742eaa1fcc8667a537
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+0de49ae9e81f9a1e7df6f0783824ce94ed18e8a9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 962bf0a3b875728cbe1ce4de6f9c5fbe25428d863154a971a317f8213b0c0741
[INFO] running `Command { std: "docker" "start" "-a" "962bf0a3b875728cbe1ce4de6f9c5fbe25428d863154a971a317f8213b0c0741", kill_on_drop: false }`
[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/0de49ae9e81f9a1e7df6f0783824ce94ed18e8a9/library/core/src/slice/mod.rs:637:5
[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/0de49ae9e81f9a1e7df6f0783824ce94ed18e8a9/library/core/src/slice/mod.rs:682:5
[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] [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/0de49ae9e81f9a1e7df6f0783824ce94ed18e8a9/library/core/src/slice/mod.rs:637:5
[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/0de49ae9e81f9a1e7df6f0783824ce94ed18e8a9/library/core/src/slice/mod.rs:682:5
[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] running `Command { std: "docker" "inspect" "962bf0a3b875728cbe1ce4de6f9c5fbe25428d863154a971a317f8213b0c0741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "962bf0a3b875728cbe1ce4de6f9c5fbe25428d863154a971a317f8213b0c0741", kill_on_drop: false }`
[INFO] [stdout] 962bf0a3b875728cbe1ce4de6f9c5fbe25428d863154a971a317f8213b0c0741