[INFO] fetching crate biheap 0.5.1...
[INFO] testing biheap-0.5.1 against master#cced03bfd61a304243a34504618ecec86c17063f for pr-154065-2
[INFO] extracting crate biheap 0.5.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate biheap 0.5.1
[INFO] finished tweaking crates.io crate biheap 0.5.1
[INFO] tweaked toml for crates.io crate biheap 0.5.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate biheap 0.5.1 on toolchain cced03bfd61a304243a34504618ecec86c17063f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "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" "+cced03bfd61a304243a34504618ecec86c17063f" "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" "+cced03bfd61a304243a34504618ecec86c17063f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f31244879ffa727efe2613a59090c845fad2b29d01cc65acf28dd107358a0352
[INFO] running `Command { std: "docker" "start" "-a" "f31244879ffa727efe2613a59090c845fad2b29d01cc65acf28dd107358a0352", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f31244879ffa727efe2613a59090c845fad2b29d01cc65acf28dd107358a0352", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f31244879ffa727efe2613a59090c845fad2b29d01cc65acf28dd107358a0352", kill_on_drop: false }`
[INFO] [stdout] f31244879ffa727efe2613a59090c845fad2b29d01cc65acf28dd107358a0352
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc531b443bd45d06d7bdf0c42f0d11a35447979a1709cf83cc3c8149d58859bf
[INFO] running `Command { std: "docker" "start" "-a" "dc531b443bd45d06d7bdf0c42f0d11a35447979a1709cf83cc3c8149d58859bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling biheap v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/core/bubble.rs:124:17
[INFO] [stdout]     |
[INFO] [stdout] 124 |             let mut this = unsafe { &mut *this.get() };
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/core/bubble.rs:125:17
[INFO] [stdout]     |
[INFO] [stdout] 125 |             let mut cell = unsafe { &mut *cell_ref.get() }; 
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/core/push.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         drop(borrow); 
[INFO] [stdout]    |         ^^^^^------^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `&mut bivec::BiVec<std::rc::Rc<std::cell::UnsafeCell<core::Node<T>>>>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 25 -         drop(borrow); 
[INFO] [stdout] 25 +         let _ = borrow; 
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/core/bubble.rs:89:25
[INFO] [stdout]    |
[INFO] [stdout] 89 |                         drop(left_ref); 
[INFO] [stdout]    |                         ^^^^^--------^
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              argument has type `&mut core::Node<T>`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 89 -                         drop(left_ref); 
[INFO] [stdout] 89 +                         let _ = left_ref; 
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/core/bubble.rs:93:25
[INFO] [stdout]    |
[INFO] [stdout] 93 |                         drop(right_ref); 
[INFO] [stdout]    |                         ^^^^^---------^
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              argument has type `&mut core::Node<T>`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 93 -                         drop(right_ref); 
[INFO] [stdout] 93 +                         let _ = right_ref; 
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/core/bubble.rs:99:25
[INFO] [stdout]    |
[INFO] [stdout] 99 |                         drop(left_ref); 
[INFO] [stdout]    |                         ^^^^^--------^
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              argument has type `&mut core::Node<T>`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 99 -                         drop(left_ref); 
[INFO] [stdout] 99 +                         let _ = left_ref; 
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/core/bubble.rs:103:25
[INFO] [stdout]     |
[INFO] [stdout] 103 |                         drop(right_ref); 
[INFO] [stdout]     |                         ^^^^^---------^
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              argument has type `&mut core::Node<T>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 103 -                         drop(right_ref); 
[INFO] [stdout] 103 +                         let _ = right_ref; 
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/core/peek.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |         drop(bivec); 
[INFO] [stdout]     |         ^^^^^-----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&mut bivec::BiVec<std::rc::Rc<std::cell::UnsafeCell<core::Node<T>>>>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 117 -         drop(bivec); 
[INFO] [stdout] 117 +         let _ = bivec; 
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/core/iter.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn iter(&self) -> RefIter<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] 36 |     pub fn iter(&self) -> RefIter<'_, T> {
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "dc531b443bd45d06d7bdf0c42f0d11a35447979a1709cf83cc3c8149d58859bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc531b443bd45d06d7bdf0c42f0d11a35447979a1709cf83cc3c8149d58859bf", kill_on_drop: false }`
[INFO] [stdout] dc531b443bd45d06d7bdf0c42f0d11a35447979a1709cf83cc3c8149d58859bf
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8bc4e98661b05be4b4970fa0d10fff1ed721d9bbf4ee4b4b5b16a9f8be8b77ad
[INFO] running `Command { std: "docker" "start" "-a" "8bc4e98661b05be4b4970fa0d10fff1ed721d9bbf4ee4b4b5b16a9f8be8b77ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling biheap v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/core/bubble.rs:124:17
[INFO] [stdout]     |
[INFO] [stdout] 124 |             let mut this = unsafe { &mut *this.get() };
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/core/bubble.rs:125:17
[INFO] [stdout]     |
[INFO] [stdout] 125 |             let mut cell = unsafe { &mut *cell_ref.get() }; 
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/core/push.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         drop(borrow); 
[INFO] [stdout]    |         ^^^^^------^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `&mut bivec::BiVec<std::rc::Rc<std::cell::UnsafeCell<core::Node<T>>>>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 25 -         drop(borrow); 
[INFO] [stdout] 25 +         let _ = borrow; 
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/core/bubble.rs:89:25
[INFO] [stdout]    |
[INFO] [stdout] 89 |                         drop(left_ref); 
[INFO] [stdout]    |                         ^^^^^--------^
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              argument has type `&mut core::Node<T>`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 89 -                         drop(left_ref); 
[INFO] [stdout] 89 +                         let _ = left_ref; 
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/core/bubble.rs:93:25
[INFO] [stdout]    |
[INFO] [stdout] 93 |                         drop(right_ref); 
[INFO] [stdout]    |                         ^^^^^---------^
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              argument has type `&mut core::Node<T>`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 93 -                         drop(right_ref); 
[INFO] [stdout] 93 +                         let _ = right_ref; 
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/core/bubble.rs:99:25
[INFO] [stdout]    |
[INFO] [stdout] 99 |                         drop(left_ref); 
[INFO] [stdout]    |                         ^^^^^--------^
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              argument has type `&mut core::Node<T>`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 99 -                         drop(left_ref); 
[INFO] [stdout] 99 +                         let _ = left_ref; 
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/core/bubble.rs:103:25
[INFO] [stdout]     |
[INFO] [stdout] 103 |                         drop(right_ref); 
[INFO] [stdout]     |                         ^^^^^---------^
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              argument has type `&mut core::Node<T>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 103 -                         drop(right_ref); 
[INFO] [stdout] 103 +                         let _ = right_ref; 
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/core/peek.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |         drop(bivec); 
[INFO] [stdout]     |         ^^^^^-----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&mut bivec::BiVec<std::rc::Rc<std::cell::UnsafeCell<core::Node<T>>>>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 117 -         drop(bivec); 
[INFO] [stdout] 117 +         let _ = bivec; 
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/core/iter.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn iter(&self) -> RefIter<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] 36 |     pub fn iter(&self) -> RefIter<'_, T> {
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/core/bubble.rs:124:17
[INFO] [stdout]     |
[INFO] [stdout] 124 |             let mut this = unsafe { &mut *this.get() };
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/core/bubble.rs:125:17
[INFO] [stdout]     |
[INFO] [stdout] 125 |             let mut cell = unsafe { &mut *cell_ref.get() }; 
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/core/push.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         drop(borrow); 
[INFO] [stdout]    |         ^^^^^------^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `&mut bivec::BiVec<std::rc::Rc<std::cell::UnsafeCell<core::Node<T>>>>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 25 -         drop(borrow); 
[INFO] [stdout] 25 +         let _ = borrow; 
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/core/bubble.rs:89:25
[INFO] [stdout]    |
[INFO] [stdout] 89 |                         drop(left_ref); 
[INFO] [stdout]    |                         ^^^^^--------^
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              argument has type `&mut core::Node<T>`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 89 -                         drop(left_ref); 
[INFO] [stdout] 89 +                         let _ = left_ref; 
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/core/bubble.rs:93:25
[INFO] [stdout]    |
[INFO] [stdout] 93 |                         drop(right_ref); 
[INFO] [stdout]    |                         ^^^^^---------^
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              argument has type `&mut core::Node<T>`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 93 -                         drop(right_ref); 
[INFO] [stdout] 93 +                         let _ = right_ref; 
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/core/bubble.rs:99:25
[INFO] [stdout]    |
[INFO] [stdout] 99 |                         drop(left_ref); 
[INFO] [stdout]    |                         ^^^^^--------^
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              argument has type `&mut core::Node<T>`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 99 -                         drop(left_ref); 
[INFO] [stdout] 99 +                         let _ = left_ref; 
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/core/bubble.rs:103:25
[INFO] [stdout]     |
[INFO] [stdout] 103 |                         drop(right_ref); 
[INFO] [stdout]     |                         ^^^^^---------^
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              argument has type `&mut core::Node<T>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 103 -                         drop(right_ref); 
[INFO] [stdout] 103 +                         let _ = right_ref; 
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/core/peek.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |         drop(bivec); 
[INFO] [stdout]     |         ^^^^^-----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&mut bivec::BiVec<std::rc::Rc<std::cell::UnsafeCell<core::Node<T>>>>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 117 -         drop(bivec); 
[INFO] [stdout] 117 +         let _ = bivec; 
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/core/iter.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn iter(&self) -> RefIter<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] 36 |     pub fn iter(&self) -> RefIter<'_, T> {
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "8bc4e98661b05be4b4970fa0d10fff1ed721d9bbf4ee4b4b5b16a9f8be8b77ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bc4e98661b05be4b4970fa0d10fff1ed721d9bbf4ee4b4b5b16a9f8be8b77ad", kill_on_drop: false }`
[INFO] [stdout] 8bc4e98661b05be4b4970fa0d10fff1ed721d9bbf4ee4b4b5b16a9f8be8b77ad
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3b3ec7d57a2ac7077b657b849efa91467508c4116efc90f129d4d44468c3ca14
[INFO] running `Command { std: "docker" "start" "-a" "3b3ec7d57a2ac7077b657b849efa91467508c4116efc90f129d4d44468c3ca14", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/core/bubble.rs:124:17
[INFO] [stderr]     |
[INFO] [stderr] 124 |             let mut this = unsafe { &mut *this.get() };
[INFO] [stderr]     |                 ----^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/core/bubble.rs:125:17
[INFO] [stderr]     |
[INFO] [stderr] 125 |             let mut cell = unsafe { &mut *cell_ref.get() }; 
[INFO] [stderr]     |                 ----^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]   --> src/core/push.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |         drop(borrow); 
[INFO] [stderr]    |         ^^^^^------^
[INFO] [stderr]    |              |
[INFO] [stderr]    |              argument has type `&mut bivec::BiVec<std::rc::Rc<std::cell::UnsafeCell<core::Node<T>>>>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]    |
[INFO] [stderr] 25 -         drop(borrow); 
[INFO] [stderr] 25 +         let _ = borrow; 
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]   --> src/core/bubble.rs:89:25
[INFO] [stderr]    |
[INFO] [stderr] 89 |                         drop(left_ref); 
[INFO] [stderr]    |                         ^^^^^--------^
[INFO] [stderr]    |                              |
[INFO] [stderr]    |                              argument has type `&mut core::Node<T>`
[INFO] [stderr]    |
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]    |
[INFO] [stderr] 89 -                         drop(left_ref); 
[INFO] [stderr] 89 +                         let _ = left_ref; 
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]   --> src/core/bubble.rs:93:25
[INFO] [stderr]    |
[INFO] [stderr] 93 |                         drop(right_ref); 
[INFO] [stderr]    |                         ^^^^^---------^
[INFO] [stderr]    |                              |
[INFO] [stderr]    |                              argument has type `&mut core::Node<T>`
[INFO] [stderr]    |
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]    |
[INFO] [stderr] 93 -                         drop(right_ref); 
[INFO] [stderr] 93 +                         let _ = right_ref; 
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]   --> src/core/bubble.rs:99:25
[INFO] [stderr]    |
[INFO] [stderr] 99 |                         drop(left_ref); 
[INFO] [stderr]    |                         ^^^^^--------^
[INFO] [stderr]    |                              |
[INFO] [stderr]    |                              argument has type `&mut core::Node<T>`
[INFO] [stderr]    |
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]    |
[INFO] [stderr] 99 -                         drop(left_ref); 
[INFO] [stderr] 99 +                         let _ = left_ref; 
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]    --> src/core/bubble.rs:103:25
[INFO] [stderr]     |
[INFO] [stderr] 103 |                         drop(right_ref); 
[INFO] [stderr]     |                         ^^^^^---------^
[INFO] [stderr]     |                              |
[INFO] [stderr]     |                              argument has type `&mut core::Node<T>`
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]     |
[INFO] [stderr] 103 -                         drop(right_ref); 
[INFO] [stderr] 103 +                         let _ = right_ref; 
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]    --> src/core/peek.rs:117:9
[INFO] [stderr]     |
[INFO] [stderr] 117 |         drop(bivec); 
[INFO] [stderr]     |         ^^^^^-----^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              argument has type `&mut bivec::BiVec<std::rc::Rc<std::cell::UnsafeCell<core::Node<T>>>>`
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]     |
[INFO] [stderr] 117 -         drop(bivec); 
[INFO] [stderr] 117 +         let _ = bivec; 
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/core/iter.rs:36:17
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn iter(&self) -> RefIter<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] 36 |     pub fn iter(&self) -> RefIter<'_, T> {
[INFO] [stderr]    |                                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: `biheap` (lib) generated 9 warnings (run `cargo fix --lib -p biheap` to apply 3 suggestions)
[INFO] [stderr] warning: `biheap` (lib test) generated 9 warnings (9 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/biheap-dba54ff561e44e3a)
[INFO] [stdout] 
[INFO] [stdout] running 31 tests
[INFO] [stderr] 
[INFO] [stderr] thread 'bivec::extend::trim_1' (23) panicked at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/ptr/mod.rs:531:5:
[INFO] [stderr] unsafe precondition(s) violated: ptr::copy_nonoverlapping requires that both pointer arguments are aligned and non-null and the specified memory ranges do not overlap
[INFO] [stderr] 
[INFO] [stderr] This indicates a bug in the program. This Undefined Behavior check is optional, and cannot be relied on for safety.
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x569f2ef5ab08 - std[929523f510218772]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]    1:     0x569f2ef5ab08 - std[929523f510218772]::backtrace_rs::backtrace::trace_unsynchronized::<std[929523f510218772]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]    2:     0x569f2ef5ab08 - std[929523f510218772]::sys::backtrace::_print_fmt
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]    3:     0x569f2ef5ab08 - <<std[929523f510218772]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[28b146924c2f19c6]::fmt::Display>::fmt
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]    4:     0x569f2ef6f41a - <core[28b146924c2f19c6]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]    5:     0x569f2ef6f41a - core[28b146924c2f19c6]::fmt::write
[INFO] [stderr]    6:     0x569f2ef5fe72 - std[929523f510218772]::io::default_write_fmt::<std[929523f510218772]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/io/mod.rs:622:11
[INFO] [stderr]    7:     0x569f2ef5fe72 - <std[929523f510218772]::sys::stdio::unix::Stderr as std[929523f510218772]::io::Write>::write_fmt
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/io/mod.rs:1977:13
[INFO] [stderr]    8:     0x569f2ef39cb6 - <std[929523f510218772]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]    9:     0x569f2ef39cb6 - std[929523f510218772]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:292:27
[INFO] [stderr]   10:     0x569f2ef53021 - std[929523f510218772]::panicking::default_hook
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:319:9
[INFO] [stderr]   11:     0x569f2eeef10c - <alloc[95e62e727ddf147d]::boxed::Box<dyn for<'a, 'b> core[28b146924c2f19c6]::ops::function::Fn<(&'a std[929523f510218772]::panic::PanicHookInfo<'b>,), Output = ()> + core[28b146924c2f19c6]::marker::Sync + core[28b146924c2f19c6]::marker::Send> as core[28b146924c2f19c6]::ops::function::Fn<(&std[929523f510218772]::panic::PanicHookInfo,)>>::call
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/alloc/src/boxed.rs:2291:9
[INFO] [stderr]   12:     0x569f2eeef10c - test[6ec0502068880816]::test_main_inner::<test[6ec0502068880816]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/test/src/lib.rs:155:21
[INFO] [stderr]   13:     0x569f2ef53212 - <alloc[95e62e727ddf147d]::boxed::Box<dyn for<'a, 'b> core[28b146924c2f19c6]::ops::function::Fn<(&'a std[929523f510218772]::panic::PanicHookInfo<'b>,), Output = ()> + core[28b146924c2f19c6]::marker::Sync + core[28b146924c2f19c6]::marker::Send> as core[28b146924c2f19c6]::ops::function::Fn<(&std[929523f510218772]::panic::PanicHookInfo,)>>::call
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/alloc/src/boxed.rs:2291:9
[INFO] [stderr]   14:     0x569f2ef53212 - std[929523f510218772]::panicking::panic_with_hook
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:833:13
[INFO] [stderr]   15:     0x569f2ef39da4 - std[929523f510218772]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:691:13
[INFO] [stderr]   16:     0x569f2ef2ef79 - std[929523f510218772]::sys::backtrace::__rust_end_short_backtrace::<std[929523f510218772]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]   17:     0x569f2ef3aa8d - __rustc[acf6043c977865fb]::rust_begin_unwind
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:689:5
[INFO] [stderr]   18:     0x569f2ef6f98d - core[28b146924c2f19c6]::panicking::panic_nounwind_fmt::runtime
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/panicking.rs:122:22
[INFO] [stderr]   19:     0x569f2ef6f98d - core[28b146924c2f19c6]::panicking::panic_nounwind_fmt
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/intrinsics/mod.rs:2450:9
[INFO] [stderr]   20:     0x569f2eee0b6b - core[28b146924c2f19c6]::ptr::copy_nonoverlapping::precondition_check
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/ub_checks.rs:73:21
[INFO] [stderr]   21:     0x569f2eecc294 - core[28b146924c2f19c6]::ptr::copy_nonoverlapping::<i32>
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/ub_checks.rs:78:17
[INFO] [stderr]   22:     0x569f2eecc294 - <biheap[7416f6fbd1275c14]::bivec::BiVec<i32>>::set_capacity_or_nothing
[INFO] [stderr]                                at /opt/rustwide/workdir/src/bivec/extend.rs:19:13
[INFO] [stderr]   23:     0x569f2eecc7c9 - <biheap[7416f6fbd1275c14]::bivec::BiVec<i32>>::reserve
[INFO] [stderr]                                at /opt/rustwide/workdir/src/bivec/extend.rs:84:14
[INFO] [stderr]   24:     0x569f2eed3b15 - biheap[7416f6fbd1275c14]::bivec::extend::trim_1
[INFO] [stderr]                                at /opt/rustwide/workdir/src/bivec/extend.rs:103:11
[INFO] [stderr]   25:     0x569f2eed16e7 - biheap[7416f6fbd1275c14]::bivec::extend::trim_1::{closure#0}
[INFO] [stderr]                                at /opt/rustwide/workdir/src/bivec/extend.rs:101:12
[INFO] [stderr]   26:     0x569f2eed80d6 - <biheap[7416f6fbd1275c14]::bivec::extend::trim_1::{closure#0} as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   27:     0x569f2eee21eb - <fn() -> core[28b146924c2f19c6]::result::Result<(), alloc[95e62e727ddf147d]::string::String> as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   28:     0x569f2eee21eb - test[6ec0502068880816]::__rust_begin_short_backtrace::<core[28b146924c2f19c6]::result::Result<(), alloc[95e62e727ddf147d]::string::String>, fn() -> core[28b146924c2f19c6]::result::Result<(), alloc[95e62e727ddf147d]::string::String>>
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/test/src/lib.rs:724:18
[INFO] [stderr]   29:     0x569f2eeefa65 - test[6ec0502068880816]::run_test_in_process::{closure#0}
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/test/src/lib.rs:747:74
[INFO] [stderr]   30:     0x569f2eeefa65 - <core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<test[6ec0502068880816]::run_test_in_process::{closure#0}> as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stderr]   31:     0x569f2eeefa65 - std[929523f510218772]::panicking::catch_unwind::do_call::<core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<test[6ec0502068880816]::run_test_in_process::{closure#0}>, core[28b146924c2f19c6]::result::Result<(), alloc[95e62e727ddf147d]::string::String>>
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:581:40
[INFO] [stderr]   32:     0x569f2eeefa65 - std[929523f510218772]::panicking::catch_unwind::<core[28b146924c2f19c6]::result::Result<(), alloc[95e62e727ddf147d]::string::String>, core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<test[6ec0502068880816]::run_test_in_process::{closure#0}>>
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:544:19
[INFO] [stderr]   33:     0x569f2eeefa65 - std[929523f510218772]::panic::catch_unwind::<core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<test[6ec0502068880816]::run_test_in_process::{closure#0}>, core[28b146924c2f19c6]::result::Result<(), alloc[95e62e727ddf147d]::string::String>>
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panic.rs:359:14
[INFO] [stderr]   34:     0x569f2eeefa65 - test[6ec0502068880816]::run_test_in_process
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/test/src/lib.rs:747:27
[INFO] [stderr]   35:     0x569f2eeefa65 - test[6ec0502068880816]::run_test::{closure#0}
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/test/src/lib.rs:668:43
[INFO] [stderr]   36:     0x569f2eeea5c4 - test[6ec0502068880816]::run_test::{closure#1}
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/test/src/lib.rs:698:41
[INFO] [stderr]   37:     0x569f2eeea5c4 - std[929523f510218772]::sys::backtrace::__rust_begin_short_backtrace::<test[6ec0502068880816]::run_test::{closure#1}, ()>
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:166:18
[INFO] [stderr]   38:     0x569f2eef2ae2 - std[929523f510218772]::thread::lifecycle::spawn_unchecked::<test[6ec0502068880816]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stderr]   39:     0x569f2eef2ae2 - <core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<std[929523f510218772]::thread::lifecycle::spawn_unchecked<test[6ec0502068880816]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stderr]   40:     0x569f2eef2ae2 - std[929523f510218772]::panicking::catch_unwind::do_call::<core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<std[929523f510218772]::thread::lifecycle::spawn_unchecked<test[6ec0502068880816]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:581:40
[INFO] [stderr]   41:     0x569f2eef2ae2 - std[929523f510218772]::panicking::catch_unwind::<(), core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<std[929523f510218772]::thread::lifecycle::spawn_unchecked<test[6ec0502068880816]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:544:19
[INFO] [stderr]   42:     0x569f2eef2ae2 - std[929523f510218772]::panic::catch_unwind::<core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<std[929523f510218772]::thread::lifecycle::spawn_unchecked<test[6ec0502068880816]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panic.rs:359:14
[INFO] [stderr]   43:     0x569f2eef2ae2 - std[929523f510218772]::thread::lifecycle::spawn_unchecked::<test[6ec0502068880816]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stderr]   44:     0x569f2eef2ae2 - <std[929523f510218772]::thread::lifecycle::spawn_unchecked<test[6ec0502068880816]::run_test::{closure#1}, ()>::{closure#1} as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   45:     0x569f2ef5a46f - <alloc[95e62e727ddf147d]::boxed::Box<dyn core[28b146924c2f19c6]::ops::function::FnOnce<(), Output = ()> + core[28b146924c2f19c6]::marker::Send> as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/alloc/src/boxed.rs:2277:9
[INFO] [stderr]   46:     0x569f2ef5a46f - <std[929523f510218772]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stderr]   47:     0x767a072a1aa4 - <unknown>
[INFO] [stderr]   48:     0x767a0732ea64 - clone
[INFO] [stderr]   49:                0x0 - <unknown>
[INFO] [stderr] thread caused non-unwinding panic. aborting.
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/biheap-dba54ff561e44e3a` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "3b3ec7d57a2ac7077b657b849efa91467508c4116efc90f129d4d44468c3ca14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b3ec7d57a2ac7077b657b849efa91467508c4116efc90f129d4d44468c3ca14", kill_on_drop: false }`
[INFO] [stdout] 3b3ec7d57a2ac7077b657b849efa91467508c4116efc90f129d4d44468c3ca14
