[INFO] fetching crate dense-heap 0.1.2...
[INFO] testing dense-heap-0.1.2 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate dense-heap 0.1.2 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate dense-heap 0.1.2
[INFO] finished tweaking crates.io crate dense-heap 0.1.2
[INFO] tweaked toml for crates.io crate dense-heap 0.1.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dense-heap 0.1.2 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6b9c823e3540da36f20c0c40933e0fd0632a2278de322e3be7e941645aa4a15
[INFO] running `Command { std: "docker" "start" "-a" "f6b9c823e3540da36f20c0c40933e0fd0632a2278de322e3be7e941645aa4a15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6b9c823e3540da36f20c0c40933e0fd0632a2278de322e3be7e941645aa4a15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6b9c823e3540da36f20c0c40933e0fd0632a2278de322e3be7e941645aa4a15", kill_on_drop: false }`
[INFO] [stdout] f6b9c823e3540da36f20c0c40933e0fd0632a2278de322e3be7e941645aa4a15
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3825a601a1064dd74518d16c7281a6a485e6ac1db16e76facb12d52e6a7867bf
[INFO] running `Command { std: "docker" "start" "-a" "3825a601a1064dd74518d16c7281a6a485e6ac1db16e76facb12d52e6a7867bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling dense-heap v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/dheap.rs:115:30
[INFO] [stdout]     |
[INFO] [stdout] 115 |     pub unsafe fn unsafe_new(&self, v: T) -> DBox<T> {
[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] 115 |     pub unsafe fn unsafe_new(&self, v: T) -> DBox<'_, T> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/dheap.rs:154:21
[INFO] [stdout]     |
[INFO] [stdout] 154 |     pub fn safe_new(&self, v: T) -> Result<DBox<T>, &'static str> {
[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] 154 |     pub fn safe_new(&self, v: T) -> Result<DBox<'_, T>, &'static str> {
[INFO] [stdout]     |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "3825a601a1064dd74518d16c7281a6a485e6ac1db16e76facb12d52e6a7867bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3825a601a1064dd74518d16c7281a6a485e6ac1db16e76facb12d52e6a7867bf", kill_on_drop: false }`
[INFO] [stdout] 3825a601a1064dd74518d16c7281a6a485e6ac1db16e76facb12d52e6a7867bf
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4411064c1131432f911ef7d91c260c37b962b8916f31732159c9630a790b1759
[INFO] running `Command { std: "docker" "start" "-a" "4411064c1131432f911ef7d91c260c37b962b8916f31732159c9630a790b1759", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/dheap.rs:115:30
[INFO] [stdout]     |
[INFO] [stdout] 115 |     pub unsafe fn unsafe_new(&self, v: T) -> DBox<T> {
[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] 115 |     pub unsafe fn unsafe_new(&self, v: T) -> DBox<'_, T> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/dheap.rs:154:21
[INFO] [stdout]     |
[INFO] [stdout] 154 |     pub fn safe_new(&self, v: T) -> Result<DBox<T>, &'static str> {
[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] 154 |     pub fn safe_new(&self, v: T) -> Result<DBox<'_, T>, &'static str> {
[INFO] [stdout]     |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling dense-heap v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/dheap.rs:115:30
[INFO] [stdout]     |
[INFO] [stdout] 115 |     pub unsafe fn unsafe_new(&self, v: T) -> DBox<T> {
[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] 115 |     pub unsafe fn unsafe_new(&self, v: T) -> DBox<'_, T> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/dheap.rs:154:21
[INFO] [stdout]     |
[INFO] [stdout] 154 |     pub fn safe_new(&self, v: T) -> Result<DBox<T>, &'static str> {
[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] 154 |     pub fn safe_new(&self, v: T) -> Result<DBox<'_, T>, &'static str> {
[INFO] [stdout]     |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "4411064c1131432f911ef7d91c260c37b962b8916f31732159c9630a790b1759", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4411064c1131432f911ef7d91c260c37b962b8916f31732159c9630a790b1759", kill_on_drop: false }`
[INFO] [stdout] 4411064c1131432f911ef7d91c260c37b962b8916f31732159c9630a790b1759
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8108e452930823c613c8a769183b21eeb0b54fd4426a52def61e14aa57b92f55
[INFO] running `Command { std: "docker" "start" "-a" "8108e452930823c613c8a769183b21eeb0b54fd4426a52def61e14aa57b92f55", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/dheap.rs:115:30
[INFO] [stderr]     |
[INFO] [stderr] 115 |     pub unsafe fn unsafe_new(&self, v: T) -> DBox<T> {
[INFO] [stderr]     |                              ^^^^^           ^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                              |
[INFO] [stderr]     |                              the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 115 |     pub unsafe fn unsafe_new(&self, v: T) -> DBox<'_, T> {
[INFO] [stderr]     |                                                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/dheap.rs:154:21
[INFO] [stderr]     |
[INFO] [stderr] 154 |     pub fn safe_new(&self, v: T) -> Result<DBox<T>, &'static str> {
[INFO] [stderr]     |                     ^^^^^                  ^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 154 |     pub fn safe_new(&self, v: T) -> Result<DBox<'_, T>, &'static str> {
[INFO] [stderr]     |                                                 +++
[INFO] [stderr] 
[INFO] [stderr] warning: `dense-heap` (lib) generated 2 warnings (run `cargo fix --lib -p dense-heap` to apply 2 suggestions)
[INFO] [stderr] warning: `dense-heap` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dense_heap-b7f5d1d0d10afa1a)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::tests::allocate_and_deallocate ... ok
[INFO] [stdout] test tests::tests::create_dheap ... ok
[INFO] [stdout] test tests::tests::linked_list ... ok
[INFO] [stdout] test tests::tests::multiple_allocations ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dense_heap
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8108e452930823c613c8a769183b21eeb0b54fd4426a52def61e14aa57b92f55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8108e452930823c613c8a769183b21eeb0b54fd4426a52def61e14aa57b92f55", kill_on_drop: false }`
[INFO] [stdout] 8108e452930823c613c8a769183b21eeb0b54fd4426a52def61e14aa57b92f55
