[INFO] fetching crate frame_mem_utils 0.2.0...
[INFO] testing frame_mem_utils-0.2.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate frame_mem_utils 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate frame_mem_utils 0.2.0
[INFO] finished tweaking crates.io crate frame_mem_utils 0.2.0
[INFO] tweaked toml for crates.io crate frame_mem_utils 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate frame_mem_utils 0.2.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate frame_mem_utils 0.2.0 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee2249302440973a0905feda01fdc5a3fce29e0e5261b92b7818ec4607b0fab0
[INFO] running `Command { std: "docker" "start" "-a" "ee2249302440973a0905feda01fdc5a3fce29e0e5261b92b7818ec4607b0fab0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee2249302440973a0905feda01fdc5a3fce29e0e5261b92b7818ec4607b0fab0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee2249302440973a0905feda01fdc5a3fce29e0e5261b92b7818ec4607b0fab0", kill_on_drop: false }`
[INFO] [stdout] ee2249302440973a0905feda01fdc5a3fce29e0e5261b92b7818ec4607b0fab0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e59a8149183244e8e3503e7650364d0ea43074c009721657a4418d90f0ba1c2
[INFO] running `Command { std: "docker" "start" "-a" "3e59a8149183244e8e3503e7650364d0ea43074c009721657a4418d90f0ba1c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling frame_mem_utils v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/stack.rs:107:38
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let above = unsafe { end.add((*buf).len()) }; // one-past high addr
[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/stack.rs:107:38
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let above = unsafe { end.add((*buf).len()) }; // one-past high addr
[INFO] [stdout]     |                                      ^^^^^^
[INFO] [stdout] note: method calls to `len` require a reference
[INFO] [stdout]    --> /rustc/b83b707f97d809763b7861afa7638871f3339a33/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] 107 |         let above = unsafe { end.add((&(*buf)).len()) }; // one-past high addr
[INFO] [stdout]     |                                      ++      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `frame_mem_utils` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "3e59a8149183244e8e3503e7650364d0ea43074c009721657a4418d90f0ba1c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e59a8149183244e8e3503e7650364d0ea43074c009721657a4418d90f0ba1c2", kill_on_drop: false }`
[INFO] [stdout] 3e59a8149183244e8e3503e7650364d0ea43074c009721657a4418d90f0ba1c2