[INFO] fetching crate stable-alloc-shim 0.64.0...
[INFO] building stable-alloc-shim-0.64.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate stable-alloc-shim 0.64.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate stable-alloc-shim 0.64.0
[INFO] finished tweaking crates.io crate stable-alloc-shim 0.64.0
[INFO] tweaked toml for crates.io crate stable-alloc-shim 0.64.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stable-alloc-shim 0.64.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bcf1539b393fef2092eecb3252eefa93bc693a5cd485746d8ef310b951686322
[INFO] running `Command { std: "docker" "start" "-a" "bcf1539b393fef2092eecb3252eefa93bc693a5cd485746d8ef310b951686322", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcf1539b393fef2092eecb3252eefa93bc693a5cd485746d8ef310b951686322", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcf1539b393fef2092eecb3252eefa93bc693a5cd485746d8ef310b951686322", kill_on_drop: false }`
[INFO] [stdout] bcf1539b393fef2092eecb3252eefa93bc693a5cd485746d8ef310b951686322
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 295894e641d3475b261652a6b8f32b79b43520370948e07ac228a271066b3dbb
[INFO] running `Command { std: "docker" "start" "-a" "295894e641d3475b261652a6b8f32b79b43520370948e07ac228a271066b3dbb", kill_on_drop: false }`
[INFO] [stderr]    Compiling stable-alloc-shim v0.64.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]   --> src/lib.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     (*uninit_ptr.as_ptr()).len()
[INFO] [stdout]    |     ^^-------------------^^^^^^^
[INFO] [stdout]    |       |
[INFO] [stdout]    |       this raw pointer has type `*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: `&[MaybeUninit<T>]`
[INFO] [stdout]   --> src/lib.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     (*uninit_ptr.as_ptr()).len()
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: method calls to `len` require a reference
[INFO] [stdout]   --> /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/core/src/slice/mod.rs:114:5
[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] 55 |     (&(*uninit_ptr.as_ptr())).len()
[INFO] [stdout]    |     ++                      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stable-alloc-shim` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "295894e641d3475b261652a6b8f32b79b43520370948e07ac228a271066b3dbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "295894e641d3475b261652a6b8f32b79b43520370948e07ac228a271066b3dbb", kill_on_drop: false }`
[INFO] [stdout] 295894e641d3475b261652a6b8f32b79b43520370948e07ac228a271066b3dbb