[INFO] cloning repository https://github.com/eun-ice/atomicring
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eun-ice/atomicring" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feun-ice%2Fatomicring", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feun-ice%2Fatomicring'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8e5322ce65378f5b0304b2021113259866c92fc3
[INFO] checking eun-ice/atomicring against try#51de2e90f91fdec6cf64ff542a4e15b9c177a797 for pr-147294
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feun-ice%2Fatomicring" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/eun-ice/atomicring
[INFO] finished tweaking git repo https://github.com/eun-ice/atomicring
[INFO] tweaked toml for git repo https://github.com/eun-ice/atomicring written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/eun-ice/atomicring on toolchain 51de2e90f91fdec6cf64ff542a4e15b9c177a797
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+51de2e90f91fdec6cf64ff542a4e15b9c177a797" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/eun-ice/atomicring 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" "+51de2e90f91fdec6cf64ff542a4e15b9c177a797" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serial_test v3.0.0
[INFO] [stderr]   Downloaded mpmc v0.1.6
[INFO] [stderr]   Downloaded serial_test_derive v3.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+51de2e90f91fdec6cf64ff542a4e15b9c177a797" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b97bc06499b8e83780b68381d5a9dec60ba44232d4a5d8ab163e5a5a759a6980
[INFO] running `Command { std: "docker" "start" "-a" "b97bc06499b8e83780b68381d5a9dec60ba44232d4a5d8ab163e5a5a759a6980", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b97bc06499b8e83780b68381d5a9dec60ba44232d4a5d8ab163e5a5a759a6980", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b97bc06499b8e83780b68381d5a9dec60ba44232d4a5d8ab163e5a5a759a6980", kill_on_drop: false }`
[INFO] [stdout] b97bc06499b8e83780b68381d5a9dec60ba44232d4a5d8ab163e5a5a759a6980
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+51de2e90f91fdec6cf64ff542a4e15b9c177a797" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0d33313c5e6df22d4711c70aa9ff907f6bd3810965db810efd10b11b6f01372
[INFO] running `Command { std: "docker" "start" "-a" "f0d33313c5e6df22d4711c70aa9ff907f6bd3810965db810efd10b11b6f01372", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking mpmc v0.1.6
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking crossbeam-queue v0.3.11
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking dashmap v5.3.4
[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/51de2e90f91fdec6cf64ff542a4e15b9c177a797/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/51de2e90f91fdec6cf64ff542a4e15b9c177a797/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" "f0d33313c5e6df22d4711c70aa9ff907f6bd3810965db810efd10b11b6f01372", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0d33313c5e6df22d4711c70aa9ff907f6bd3810965db810efd10b11b6f01372", kill_on_drop: false }`
[INFO] [stdout] f0d33313c5e6df22d4711c70aa9ff907f6bd3810965db810efd10b11b6f01372