[INFO] fetching crate backdrop_arc 0.3.0...
[INFO] testing backdrop_arc-0.3.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate backdrop_arc 0.3.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate backdrop_arc 0.3.0
[INFO] finished tweaking crates.io crate backdrop_arc 0.3.0
[INFO] tweaked toml for crates.io crate backdrop_arc 0.3.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate backdrop_arc 0.3.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 16 packages to latest compatible versions
[INFO] [stderr]       Adding yoke v0.7.5 (available: v0.8.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded triomphe v0.1.15
[INFO] [stderr]   Downloaded backdrop v0.1.11
[INFO] [stderr]   Downloaded unsize v1.1.0
[INFO] [stderr]   Downloaded yoke v0.7.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18fa0d7c9b5d11dcd39f13520234d219110315facf5281cab4c0b0b8e14fa8c1
[INFO] running `Command { std: "docker" "start" "-a" "18fa0d7c9b5d11dcd39f13520234d219110315facf5281cab4c0b0b8e14fa8c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18fa0d7c9b5d11dcd39f13520234d219110315facf5281cab4c0b0b8e14fa8c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18fa0d7c9b5d11dcd39f13520234d219110315facf5281cab4c0b0b8e14fa8c1", kill_on_drop: false }`
[INFO] [stdout] 18fa0d7c9b5d11dcd39f13520234d219110315facf5281cab4c0b0b8e14fa8c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e1a40467c6dc95cf00f45d27d98830a28ffdf878b9d7c0d873524dd2cac737a
[INFO] running `Command { std: "docker" "start" "-a" "3e1a40467c6dc95cf00f45d27d98830a28ffdf878b9d7c0d873524dd2cac737a", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling backdrop v0.1.11
[INFO] [stderr]    Compiling backdrop_arc v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/arc.rs:205:19
[INFO] [stdout]     |
[INFO] [stdout] 205 |         let len = (*ptr).len();
[INFO] [stdout]     |                   ^^---^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this raw pointer has type `*const [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/arc.rs:205:19
[INFO] [stdout]     |
[INFO] [stdout] 205 |         let len = (*ptr).len();
[INFO] [stdout]     |                   ^^^^^^
[INFO] [stdout] note: method calls to `len` require a reference
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/slice/mod.rs:114:4
[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] 205 |         let len = (&(*ptr)).len();
[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/arc.rs:294:9
[INFO] [stdout]     |
[INFO] [stdout] 294 |         this.ptr() == other.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] 294 -         this.ptr() == other.ptr()
[INFO] [stdout] 294 +         std::ptr::addr_eq(this.ptr(), other.ptr())
[INFO] [stdout]     |
[INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses
[INFO] [stdout]     |
[INFO] [stdout] 294 -         this.ptr() == other.ptr()
[INFO] [stdout] 294 +         std::ptr::eq(this.ptr(), other.ptr())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/arc_union.rs:90:19
[INFO] [stdout]    |
[INFO] [stdout] 90 |     pub fn borrow(&self) -> ArcUnionBorrow<A, B> {
[INFO] [stdout]    |                   ^^^^^     ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 90 |     pub fn borrow(&self) -> ArcUnionBorrow<'_, A, B> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/arc_union.rs:127:21
[INFO] [stdout]     |
[INFO] [stdout] 127 |     pub fn as_first(&self) -> Option<ArcBorrow<A>> {
[INFO] [stdout]     |                     ^^^^^            ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 127 |     pub fn as_first(&self) -> Option<ArcBorrow<'_, A>> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/arc_union.rs:135:22
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn as_second(&self) -> Option<ArcBorrow<B>> {
[INFO] [stdout]     |                      ^^^^^            ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn as_second(&self) -> Option<ArcBorrow<'_, B>> {
[INFO] [stdout]     |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `backdrop_arc` (lib) due to 1 previous error; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "3e1a40467c6dc95cf00f45d27d98830a28ffdf878b9d7c0d873524dd2cac737a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e1a40467c6dc95cf00f45d27d98830a28ffdf878b9d7c0d873524dd2cac737a", kill_on_drop: false }`
[INFO] [stdout] 3e1a40467c6dc95cf00f45d27d98830a28ffdf878b9d7c0d873524dd2cac737a
