[INFO] fetching crate pi_slab 0.1.0...
[INFO] testing pi_slab-0.1.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate pi_slab 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate pi_slab 0.1.0
[INFO] finished tweaking crates.io crate pi_slab 0.1.0
[INFO] tweaked toml for crates.io crate pi_slab 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pi_slab 0.1.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e02d7868d798fe1fb00461524f8dc0f29d02c919b353218241a7ff0be3002edc
[INFO] running `Command { std: "docker" "start" "-a" "e02d7868d798fe1fb00461524f8dc0f29d02c919b353218241a7ff0be3002edc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e02d7868d798fe1fb00461524f8dc0f29d02c919b353218241a7ff0be3002edc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e02d7868d798fe1fb00461524f8dc0f29d02c919b353218241a7ff0be3002edc", kill_on_drop: false }`
[INFO] [stdout] e02d7868d798fe1fb00461524f8dc0f29d02c919b353218241a7ff0be3002edc
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a342e6e22643661556ae67fb7dbc4267dbd5dea00a999f06a08660ecdf9cb01f
[INFO] running `Command { std: "docker" "start" "-a" "a342e6e22643661556ae67fb7dbc4267dbd5dea00a999f06a08660ecdf9cb01f", kill_on_drop: false }`
[INFO] [stderr]    Compiling pi_slab v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/lib.rs:504:52
[INFO] [stdout]     |
[INFO] [stdout] 504 |                 return Some((curr + 1, unsafe{&mut (*self.entries)[curr]} ));
[INFO] [stdout]     |                                                    ^^------------^^^^^^^
[INFO] [stdout]     |                                                      |
[INFO] [stdout]     |                                                      this raw pointer has type `*mut Vec<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 Vec<T>`
[INFO] [stdout]    --> src/lib.rs:504:52
[INFO] [stdout]     |
[INFO] [stdout] 504 |                 return Some((curr + 1, unsafe{&mut (*self.entries)[curr]} ));
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(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] 504 |                 return Some((curr + 1, unsafe{&mut (&mut (*self.entries))[curr]} ));
[INFO] [stdout]     |                                                    +++++                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "a342e6e22643661556ae67fb7dbc4267dbd5dea00a999f06a08660ecdf9cb01f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a342e6e22643661556ae67fb7dbc4267dbd5dea00a999f06a08660ecdf9cb01f", kill_on_drop: false }`
[INFO] [stdout] a342e6e22643661556ae67fb7dbc4267dbd5dea00a999f06a08660ecdf9cb01f
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4b0943e53a62a8674e1db5e7a908e1b15fb1d47c2e687cf7ba39684e3171b8a
[INFO] running `Command { std: "docker" "start" "-a" "a4b0943e53a62a8674e1db5e7a908e1b15fb1d47c2e687cf7ba39684e3171b8a", kill_on_drop: false }`
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/lib.rs:504:52
[INFO] [stdout]     |
[INFO] [stdout] 504 |                 return Some((curr + 1, unsafe{&mut (*self.entries)[curr]} ));
[INFO] [stdout]     |                                                    ^^------------^^^^^^^
[INFO] [stdout]     |                                                      |
[INFO] [stdout]     |                                                      this raw pointer has type `*mut Vec<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 Vec<T>`
[INFO] [stdout]    --> src/lib.rs:504:52
[INFO] [stdout]     |
[INFO] [stdout] 504 |                 return Some((curr + 1, unsafe{&mut (*self.entries)[curr]} ));
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(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] 504 |                 return Some((curr + 1, unsafe{&mut (&mut (*self.entries))[curr]} ));
[INFO] [stdout]     |                                                    +++++                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pi_slab v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/lib.rs:504:52
[INFO] [stdout]     |
[INFO] [stdout] 504 |                 return Some((curr + 1, unsafe{&mut (*self.entries)[curr]} ));
[INFO] [stdout]     |                                                    ^^------------^^^^^^^
[INFO] [stdout]     |                                                      |
[INFO] [stdout]     |                                                      this raw pointer has type `*mut Vec<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 Vec<T>`
[INFO] [stdout]    --> src/lib.rs:504:52
[INFO] [stdout]     |
[INFO] [stdout] 504 |                 return Some((curr + 1, unsafe{&mut (*self.entries)[curr]} ));
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(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] 504 |                 return Some((curr + 1, unsafe{&mut (&mut (*self.entries))[curr]} ));
[INFO] [stdout]     |                                                    +++++                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "a4b0943e53a62a8674e1db5e7a908e1b15fb1d47c2e687cf7ba39684e3171b8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4b0943e53a62a8674e1db5e7a908e1b15fb1d47c2e687cf7ba39684e3171b8a", kill_on_drop: false }`
[INFO] [stdout] a4b0943e53a62a8674e1db5e7a908e1b15fb1d47c2e687cf7ba39684e3171b8a
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a3720f0654c655d702f5df7aef662ec2dc516aaa8c5b59d0b6058ce3f5c9a739
[INFO] running `Command { std: "docker" "start" "-a" "a3720f0654c655d702f5df7aef662ec2dc516aaa8c5b59d0b6058ce3f5c9a739", kill_on_drop: false }`
[INFO] [stderr] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stderr]    --> src/lib.rs:504:52
[INFO] [stderr]     |
[INFO] [stderr] 504 |                 return Some((curr + 1, unsafe{&mut (*self.entries)[curr]} ));
[INFO] [stderr]     |                                                    ^^------------^^^^^^^
[INFO] [stderr]     |                                                      |
[INFO] [stderr]     |                                                      this raw pointer has type `*mut Vec<T>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stderr] note: autoref is being applied to this expression, resulting in: `&mut Vec<T>`
[INFO] [stderr]    --> src/lib.rs:504:52
[INFO] [stderr]     |
[INFO] [stderr] 504 |                 return Some((curr + 1, unsafe{&mut (*self.entries)[curr]} ));
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^
[INFO] [stderr]     = note: `#[warn(dangerous_implicit_autorefs)]` on by default
[INFO] [stderr] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stderr]     |
[INFO] [stderr] 504 |                 return Some((curr + 1, unsafe{&mut (&mut (*self.entries))[curr]} ));
[INFO] [stderr]     |                                                    +++++                +
[INFO] [stderr] 
[INFO] [stderr] warning: `pi_slab` (lib) generated 1 warning
[INFO] [stderr] warning: `pi_slab` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pi_slab-96d630489f401e3a)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_alloc ... ok
[INFO] [stdout] test test ... ok
[INFO] [stdout] test test_eff ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.49s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pi_slab
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a3720f0654c655d702f5df7aef662ec2dc516aaa8c5b59d0b6058ce3f5c9a739", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3720f0654c655d702f5df7aef662ec2dc516aaa8c5b59d0b6058ce3f5c9a739", kill_on_drop: false }`
[INFO] [stdout] a3720f0654c655d702f5df7aef662ec2dc516aaa8c5b59d0b6058ce3f5c9a739