[INFO] fetching crate atomicring 1.2.9...
[INFO] checking atomicring-1.2.9 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate atomicring 1.2.9 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate atomicring 1.2.9
[INFO] finished tweaking crates.io crate atomicring 1.2.9
[INFO] tweaked toml for crates.io crate atomicring 1.2.9 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate atomicring 1.2.9 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]     Updating crates.io index
[INFO] [stderr]      Locking 24 packages to latest compatible versions
[INFO] [stderr]       Adding parking_lot v0.11.2 (available: v0.12.4)
[INFO] [stderr]       Adding serial_test v0.5.1 (available: v3.2.0)
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 79335d975ce058b1b050b2010bc31cf08c753fad3f022014343f846b2e4ff47f
[INFO] running `Command { std: "docker" "start" "-a" "79335d975ce058b1b050b2010bc31cf08c753fad3f022014343f846b2e4ff47f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79335d975ce058b1b050b2010bc31cf08c753fad3f022014343f846b2e4ff47f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79335d975ce058b1b050b2010bc31cf08c753fad3f022014343f846b2e4ff47f", kill_on_drop: false }`
[INFO] [stdout] 79335d975ce058b1b050b2010bc31cf08c753fad3f022014343f846b2e4ff47f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 6924598962db88db37bf91bd66c5560f1b01ae7c43b8e1e666a72cab21f73fd9
[INFO] running `Command { std: "docker" "start" "-a" "6924598962db88db37bf91bd66c5560f1b01ae7c43b8e1e666a72cab21f73fd9", kill_on_drop: false }`
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]     Checking mpmc v0.1.6
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking crossbeam-queue v0.3.12
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking atomicring v1.2.9 (/opt/rustwide/workdir)
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/atomic_ring.rs:496:18
[INFO] [stdout]     |
[INFO] [stdout] 496 |         unsafe { (*self.mem).len() }
[INFO] [stdout]     |                  ^^--------^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    this raw pointer has type `*mut [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: `&[T]`
[INFO] [stdout]    --> src/atomic_ring.rs:496:18
[INFO] [stdout]     |
[INFO] [stdout] 496 |         unsafe { (*self.mem).len() }
[INFO] [stdout]     |                  ^^^^^^^^^^^
[INFO] [stdout] note: method calls to `len` require a reference
[INFO] [stdout]    --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/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] 496 |         unsafe { (&(*self.mem)).len() }
[INFO] [stdout]     |                  ++           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/atomic_ring.rs:542:9
[INFO] [stdout]     |
[INFO] [stdout] 542 |         (*self.mem).get_unchecked_mut(index)
[INFO] [stdout]     |         ^^--------^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |           |
[INFO] [stdout]     |           this raw pointer has type `*mut [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 [T]`
[INFO] [stdout]    --> src/atomic_ring.rs:542:9
[INFO] [stdout]     |
[INFO] [stdout] 542 |         (*self.mem).get_unchecked_mut(index)
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] note: method calls to `get_unchecked_mut` require a reference
[INFO] [stdout]    --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/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] 542 |         (&mut (*self.mem)).get_unchecked_mut(index)
[INFO] [stdout]     |         +++++            +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `atomicring` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6924598962db88db37bf91bd66c5560f1b01ae7c43b8e1e666a72cab21f73fd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6924598962db88db37bf91bd66c5560f1b01ae7c43b8e1e666a72cab21f73fd9", kill_on_drop: false }`
[INFO] [stdout] 6924598962db88db37bf91bd66c5560f1b01ae7c43b8e1e666a72cab21f73fd9