[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] testing eun-ice/atomicring against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feun-ice%2Fatomicring" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-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-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/eun-ice/atomicring 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 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" "+b83b707f97d809763b7861afa7638871f3339a33" "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-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] 5bcad62e261ab864c851c04f91121d038f292e723c4f37bfa8f75b7fc967dcdc
[INFO] running `Command { std: "docker" "start" "-a" "5bcad62e261ab864c851c04f91121d038f292e723c4f37bfa8f75b7fc967dcdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5bcad62e261ab864c851c04f91121d038f292e723c4f37bfa8f75b7fc967dcdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bcad62e261ab864c851c04f91121d038f292e723c4f37bfa8f75b7fc967dcdc", kill_on_drop: false }`
[INFO] [stdout] 5bcad62e261ab864c851c04f91121d038f292e723c4f37bfa8f75b7fc967dcdc
[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] bdeadbc2c1c9452f75667f0fa60601106938be2d737343bfc7a1e13c4ce05422
[INFO] running `Command { std: "docker" "start" "-a" "bdeadbc2c1c9452f75667f0fa60601106938be2d737343bfc7a1e13c4ce05422", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling 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/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] 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/b83b707f97d809763b7861afa7638871f3339a33/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" "bdeadbc2c1c9452f75667f0fa60601106938be2d737343bfc7a1e13c4ce05422", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdeadbc2c1c9452f75667f0fa60601106938be2d737343bfc7a1e13c4ce05422", kill_on_drop: false }`
[INFO] [stdout] bdeadbc2c1c9452f75667f0fa60601106938be2d737343bfc7a1e13c4ce05422