[INFO] fetching crate leonardo-heap 0.3.0... [INFO] checking leonardo-heap-0.3.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170 [INFO] extracting crate leonardo-heap 0.3.0 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate leonardo-heap 0.3.0 [INFO] finished tweaking crates.io crate leonardo-heap 0.3.0 [INFO] tweaked toml for crates.io crate leonardo-heap 0.3.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate leonardo-heap 0.3.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 10 packages to latest compatible versions [INFO] [stderr] Adding rand v0.3.23 (available: v0.9.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c569d5617a6b960ca0630e66449adc7bd0b01c4200c927ea07ac103405313147 [INFO] running `Command { std: "docker" "start" "-a" "c569d5617a6b960ca0630e66449adc7bd0b01c4200c927ea07ac103405313147", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c569d5617a6b960ca0630e66449adc7bd0b01c4200c927ea07ac103405313147", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c569d5617a6b960ca0630e66449adc7bd0b01c4200c927ea07ac103405313147", kill_on_drop: false }` [INFO] [stdout] c569d5617a6b960ca0630e66449adc7bd0b01c4200c927ea07ac103405313147 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fd7157aaef4132af489ccf2022a2067903704e8ac4d89be055ae5cd65bedcb06 [INFO] running `Command { std: "docker" "start" "-a" "fd7157aaef4132af489ccf2022a2067903704e8ac4d89be055ae5cd65bedcb06", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling libc v0.2.174 [INFO] [stderr] Checking leonardo-heap v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function `leonardo_closed` is never used [INFO] [stdout] --> src/leonardo.rs:30:4 [INFO] [stdout] | [INFO] [stdout] 30 | fn leonardo_closed(order: u32) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `leonardo_naive` is never used [INFO] [stdout] --> src/leonardo.rs:43:4 [INFO] [stdout] | [INFO] [stdout] 43 | fn leonardo_naive(order: u32) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new_from_len` is never used [INFO] [stdout] --> src/layout.rs:39:12 [INFO] [stdout] | [INFO] [stdout] 31 | impl Layout { [INFO] [stdout] | ----------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 39 | pub fn new_from_len(size: usize) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/subheap.rs:20:22 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn new(data: &[T], order: u32) -> SubHeap { [INFO] [stdout] | ^^^^ ---------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 20 | pub fn new(data: &[T], order: u32) -> SubHeap<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/subheap.rs:31:24 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn destructure(&self) -> (&T, Option<(SubHeap, SubHeap)>) { [INFO] [stdout] | ^^^^^ -- ---------- ---------- the lifetimes get resolved as `'_` [INFO] [stdout] | | | | [INFO] [stdout] | | | the lifetimes get resolved as `'_` [INFO] [stdout] | | the lifetimes get resolved as `'_` [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 31 | pub fn destructure(&self) -> (&T, Option<(SubHeap<'_, T>, SubHeap<'_, T>)>) { [INFO] [stdout] | +++ +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/subheap.rs:57:21 [INFO] [stdout] | [INFO] [stdout] 57 | pub fn children(&self) -> Option<(SubHeap, SubHeap)> { [INFO] [stdout] | ^^^^^ ---------- ---------- the lifetimes get resolved as `'_` [INFO] [stdout] | | | [INFO] [stdout] | | the lifetimes get resolved as `'_` [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 57 | pub fn children(&self) -> Option<(SubHeap<'_, T>, SubHeap<'_, T>)> { [INFO] [stdout] | +++ +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/subheap.rs:73:22 [INFO] [stdout] | [INFO] [stdout] 73 | pub fn new(data: &mut [T], order: u32) -> SubHeapMut { [INFO] [stdout] | ^^^^^^^^ ------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 73 | pub fn new(data: &mut [T], order: u32) -> SubHeapMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/subheap.rs:85:24 [INFO] [stdout] | [INFO] [stdout] 85 | pub fn destructure(&self) -> (&T, Option<(SubHeap, SubHeap)>) { [INFO] [stdout] | ^^^^^ -- ---------- ---------- the lifetimes get resolved as `'_` [INFO] [stdout] | | | | [INFO] [stdout] | | | the lifetimes get resolved as `'_` [INFO] [stdout] | | the lifetimes get resolved as `'_` [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 85 | pub fn destructure(&self) -> (&T, Option<(SubHeap<'_, T>, SubHeap<'_, T>)>) { [INFO] [stdout] | +++ +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/subheap.rs:105:28 [INFO] [stdout] | [INFO] [stdout] 105 | pub fn destructure_mut(&mut self) -> (&mut T, Option<(SubHeapMut, SubHeapMut)>) { [INFO] [stdout] | ^^^^^^^^^ ------ ------------- ------------- the lifetimes get resolved as `'_` [INFO] [stdout] | | | | [INFO] [stdout] | | | the lifetimes get resolved as `'_` [INFO] [stdout] | | the lifetimes get resolved as `'_` [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 105 | pub fn destructure_mut(&mut self) -> (&mut T, Option<(SubHeapMut<'_, T>, SubHeapMut<'_, T>)>) { [INFO] [stdout] | +++ +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/subheap.rs:167:17 [INFO] [stdout] | [INFO] [stdout] 167 | fn children(&self) -> Option<(SubHeap, SubHeap)> { [INFO] [stdout] | ^^^^^ ---------- ---------- the lifetimes get resolved as `'_` [INFO] [stdout] | | | [INFO] [stdout] | | the lifetimes get resolved as `'_` [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 167 | fn children(&self) -> Option<(SubHeap<'_, T>, SubHeap<'_, T>)> { [INFO] [stdout] | +++ +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/subheap.rs:173:21 [INFO] [stdout] | [INFO] [stdout] 173 | fn children_mut(&mut self) -> Option<(SubHeapMut, SubHeapMut)> { [INFO] [stdout] | ^^^^^^^^^ ------------- ------------- the lifetimes get resolved as `'_` [INFO] [stdout] | | | [INFO] [stdout] | | the lifetimes get resolved as `'_` [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 173 | fn children_mut(&mut self) -> Option<(SubHeapMut<'_, T>, SubHeapMut<'_, T>)> { [INFO] [stdout] | +++ +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/subheap.rs:20:22 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn new(data: &[T], order: u32) -> SubHeap { [INFO] [stdout] | ^^^^ ---------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 20 | pub fn new(data: &[T], order: u32) -> SubHeap<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/subheap.rs:31:24 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn destructure(&self) -> (&T, Option<(SubHeap, SubHeap)>) { [INFO] [stdout] | ^^^^^ -- ---------- ---------- the lifetimes get resolved as `'_` [INFO] [stdout] | | | | [INFO] [stdout] | | | the lifetimes get resolved as `'_` [INFO] [stdout] | | the lifetimes get resolved as `'_` [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 31 | pub fn destructure(&self) -> (&T, Option<(SubHeap<'_, T>, SubHeap<'_, T>)>) { [INFO] [stdout] | +++ +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/subheap.rs:57:21 [INFO] [stdout] | [INFO] [stdout] 57 | pub fn children(&self) -> Option<(SubHeap, SubHeap)> { [INFO] [stdout] | ^^^^^ ---------- ---------- the lifetimes get resolved as `'_` [INFO] [stdout] | | | [INFO] [stdout] | | the lifetimes get resolved as `'_` [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 57 | pub fn children(&self) -> Option<(SubHeap<'_, T>, SubHeap<'_, T>)> { [INFO] [stdout] | +++ +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/subheap.rs:73:22 [INFO] [stdout] | [INFO] [stdout] 73 | pub fn new(data: &mut [T], order: u32) -> SubHeapMut { [INFO] [stdout] | ^^^^^^^^ ------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 73 | pub fn new(data: &mut [T], order: u32) -> SubHeapMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/subheap.rs:85:24 [INFO] [stdout] | [INFO] [stdout] 85 | pub fn destructure(&self) -> (&T, Option<(SubHeap, SubHeap)>) { [INFO] [stdout] | ^^^^^ -- ---------- ---------- the lifetimes get resolved as `'_` [INFO] [stdout] | | | | [INFO] [stdout] | | | the lifetimes get resolved as `'_` [INFO] [stdout] | | the lifetimes get resolved as `'_` [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 85 | pub fn destructure(&self) -> (&T, Option<(SubHeap<'_, T>, SubHeap<'_, T>)>) { [INFO] [stdout] | +++ +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/subheap.rs:105:28 [INFO] [stdout] | [INFO] [stdout] 105 | pub fn destructure_mut(&mut self) -> (&mut T, Option<(SubHeapMut, SubHeapMut)>) { [INFO] [stdout] | ^^^^^^^^^ ------ ------------- ------------- the lifetimes get resolved as `'_` [INFO] [stdout] | | | | [INFO] [stdout] | | | the lifetimes get resolved as `'_` [INFO] [stdout] | | the lifetimes get resolved as `'_` [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 105 | pub fn destructure_mut(&mut self) -> (&mut T, Option<(SubHeapMut<'_, T>, SubHeapMut<'_, T>)>) { [INFO] [stdout] | +++ +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/subheap.rs:167:17 [INFO] [stdout] | [INFO] [stdout] 167 | fn children(&self) -> Option<(SubHeap, SubHeap)> { [INFO] [stdout] | ^^^^^ ---------- ---------- the lifetimes get resolved as `'_` [INFO] [stdout] | | | [INFO] [stdout] | | the lifetimes get resolved as `'_` [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 167 | fn children(&self) -> Option<(SubHeap<'_, T>, SubHeap<'_, T>)> { [INFO] [stdout] | +++ +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/subheap.rs:173:21 [INFO] [stdout] | [INFO] [stdout] 173 | fn children_mut(&mut self) -> Option<(SubHeapMut, SubHeapMut)> { [INFO] [stdout] | ^^^^^^^^^ ------------- ------------- the lifetimes get resolved as `'_` [INFO] [stdout] | | | [INFO] [stdout] | | the lifetimes get resolved as `'_` [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 173 | fn children_mut(&mut self) -> Option<(SubHeapMut<'_, T>, SubHeapMut<'_, T>)> { [INFO] [stdout] | +++ +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.38s [INFO] running `Command { std: "docker" "inspect" "fd7157aaef4132af489ccf2022a2067903704e8ac4d89be055ae5cd65bedcb06", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fd7157aaef4132af489ccf2022a2067903704e8ac4d89be055ae5cd65bedcb06", kill_on_drop: false }` [INFO] [stdout] fd7157aaef4132af489ccf2022a2067903704e8ac4d89be055ae5cd65bedcb06