[INFO] fetching crate hybrid-rc 0.6.0...
[INFO] checking hybrid-rc-0.6.0 against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
[INFO] extracting crate hybrid-rc 0.6.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate hybrid-rc 0.6.0
[INFO] finished tweaking crates.io crate hybrid-rc 0.6.0
[INFO] tweaked toml for crates.io crate hybrid-rc 0.6.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate hybrid-rc 0.6.0 on toolchain a5689b034ad287112f709693384a37f1377eb9cc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "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" "+a5689b034ad287112f709693384a37f1377eb9cc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 68 packages to highest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.8.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 707b7e58f9dfe4344ec89b4231bcce58adacc6cdd6fc6c9fc89cf05f12a1ea25
[INFO] running `Command { std: "docker" "start" "707b7e58f9dfe4344ec89b4231bcce58adacc6cdd6fc6c9fc89cf05f12a1ea25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "707b7e58f9dfe4344ec89b4231bcce58adacc6cdd6fc6c9fc89cf05f12a1ea25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "707b7e58f9dfe4344ec89b4231bcce58adacc6cdd6fc6c9fc89cf05f12a1ea25" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "707b7e58f9dfe4344ec89b4231bcce58adacc6cdd6fc6c9fc89cf05f12a1ea25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "707b7e58f9dfe4344ec89b4231bcce58adacc6cdd6fc6c9fc89cf05f12a1ea25" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.21
[INFO] [stderr]     Checking memchr v2.8.3
[INFO] [stderr]    Compiling crossbeam-deque v0.8.8
[INFO] [stderr]    Compiling serde_json v1.0.154
[INFO] [stderr]     Checking either v1.19.0
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking regex-automata v0.4.18
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling syn v3.0.9
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking lazy_static v1.5.1
[INFO] [stderr]     Checking hybrid-rc v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::Atomic::<usize>::fetch_update`: renamed to `try_update` for consistency
[INFO] [stdout]    --> src/lib.rs:625:5
[INFO] [stdout]     |
[INFO] [stdout] 625 |             .fetch_update(
[INFO] [stdout]     |              ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 625 -             .fetch_update(
[INFO] [stdout] 625 +             .try_update(
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stdout] error: useless conversion to the same type: `NonNull<RcBox<MaybeUninit<T>>>`
[INFO] [stdout]     --> src/lib.rs:1236:27
[INFO] [stdout]      |
[INFO] [stdout] 1236 |         Ok(HybridRc::from_inner(inner.into()))
[INFO] [stdout]      |                                 ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]      = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]      |
[INFO] [stdout] 1236 -         Ok(HybridRc::from_inner(inner.into()))
[INFO] [stdout] 1236 +         Ok(HybridRc::from_inner(inner))
[INFO] [stdout]      |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]      |
[INFO] [stdout] 1236 -         Ok(HybridRc::from_inner(inner.into()))
[INFO] [stdout] 1236 +         Ok(HybridRc::from_inner(<NonNull<RcBox<MaybeUninit<T>>> as Into<_>>::into(inner)))
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
[INFO] [stdout]    --> src/lib.rs:962:3
[INFO] [stdout]     |
[INFO] [stdout] 962 |         this.ptr.as_ptr() == other.ptr.as_ptr()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ambiguous_wide_pointer_comparisons)]` on by default
[INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
[INFO] [stdout]     |
[INFO] [stdout] 962 -         this.ptr.as_ptr() == other.ptr.as_ptr()
[INFO] [stdout] 962 +         std::ptr::addr_eq(this.ptr.as_ptr(), other.ptr.as_ptr())
[INFO] [stdout]     |
[INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses
[INFO] [stdout]     |
[INFO] [stdout] 962 -         this.ptr.as_ptr() == other.ptr.as_ptr()
[INFO] [stdout] 962 +         std::ptr::eq(this.ptr.as_ptr(), other.ptr.as_ptr())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
[INFO] [stdout]    --> src/lib.rs:971:3
[INFO] [stdout]     |
[INFO] [stdout] 971 |         this.ptr.as_ptr() == other.ptr.as_ptr()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
[INFO] [stdout]     |
[INFO] [stdout] 971 -         this.ptr.as_ptr() == other.ptr.as_ptr()
[INFO] [stdout] 971 +         std::ptr::addr_eq(this.ptr.as_ptr(), other.ptr.as_ptr())
[INFO] [stdout]     |
[INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses
[INFO] [stdout]     |
[INFO] [stdout] 971 -         this.ptr.as_ptr() == other.ptr.as_ptr()
[INFO] [stdout] 971 +         std::ptr::eq(this.ptr.as_ptr(), other.ptr.as_ptr())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hybrid-rc` (lib) due to 1 previous error; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "707b7e58f9dfe4344ec89b4231bcce58adacc6cdd6fc6c9fc89cf05f12a1ea25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "707b7e58f9dfe4344ec89b4231bcce58adacc6cdd6fc6c9fc89cf05f12a1ea25", kill_on_drop: false }`
[INFO] [stdout] 707b7e58f9dfe4344ec89b4231bcce58adacc6cdd6fc6c9fc89cf05f12a1ea25
