[INFO] cloning repository https://github.com/michael-groble/zset
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/michael-groble/zset" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichael-groble%2Fzset", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichael-groble%2Fzset'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8fcecd83bcfec5a88e21ab19fe793a30e25e1035
[INFO] testing michael-groble/zset against 1.98.0-beta.8+cargoflags=--release for beta-release-1.99-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichael-groble%2Fzset" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/michael-groble/zset
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/michael-groble/zset
[INFO] tweaked toml for git repo https://github.com/michael-groble/zset written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/michael-groble/zset on toolchain 1.98.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/michael-groble/zset already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded getrandom v0.2.9
[INFO] [stderr]   Downloaded libc v0.2.144
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 7f5ec38fae6ae17337510724f8451a44b65cf2b7c1c1d2004a6eaebd0f33a880
[INFO] running `Command { std: "docker" "start" "7f5ec38fae6ae17337510724f8451a44b65cf2b7c1c1d2004a6eaebd0f33a880", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f5ec38fae6ae17337510724f8451a44b65cf2b7c1c1d2004a6eaebd0f33a880", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7f5ec38fae6ae17337510724f8451a44b65cf2b7c1c1d2004a6eaebd0f33a880" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f5ec38fae6ae17337510724f8451a44b65cf2b7c1c1d2004a6eaebd0f33a880", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7f5ec38fae6ae17337510724f8451a44b65cf2b7c1c1d2004a6eaebd0f33a880" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling getrandom v0.2.9
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling zset v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/skip_list.rs:642:21
[INFO] [stdout]     |
[INFO] [stdout] 642 |         let level = (*node.as_ptr()).levels.len() - 1; // see [Node::new]
[INFO] [stdout]     |                     ^^-------------^^^^^^^^^^^^^^
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       this raw pointer has type `*mut Node<T, S>`
[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: `&[Level<T, S>]`
[INFO] [stdout]    --> src/skip_list.rs:642:21
[INFO] [stdout]     |
[INFO] [stdout] 642 |         let level = (*node.as_ptr()).levels.len() - 1; // see [Node::new]
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: method calls to `len` require a reference
[INFO] [stdout]    --> /rustc/04eb0d7194012623e82369b466d5084522957446/library/core/src/slice/mod.rs:116:4
[INFO] [stdout]     = note: `#[warn(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] 642 |         let level = (&(*node.as_ptr()).levels).len() - 1; // see [Node::new]
[INFO] [stdout]     |                     ++                       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/skip_list_set.rs:179:22
[INFO] [stdout]     |
[INFO] [stdout] 179 |             unsafe { Box::from_raw(elt.value.as_ptr()) };
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 179 |             unsafe { let _ = Box::from_raw(elt.value.as_ptr()); };
[INFO] [stdout]     |                      +++++++                                  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/skip_list_set.rs:237:22
[INFO] [stdout]     |
[INFO] [stdout] 237 |             unsafe { Box::from_raw(key.value.as_ptr()) };
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 237 |             unsafe { let _ = Box::from_raw(key.value.as_ptr()); };
[INFO] [stdout]     |                      +++++++                                  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/skip_list_set.rs:248:22
[INFO] [stdout]     |
[INFO] [stdout] 248 |             unsafe { Box::from_raw(key.value.as_ptr()) };
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 248 |             unsafe { let _ = Box::from_raw(key.value.as_ptr()); };
[INFO] [stdout]     |                      +++++++                                  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/skip_list_set.rs:260:22
[INFO] [stdout]     |
[INFO] [stdout] 260 |             unsafe { Box::from_raw(key.value.as_ptr()) };
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 260 |             unsafe { let _ = Box::from_raw(key.value.as_ptr()); };
[INFO] [stdout]     |                      +++++++                                  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 1.72s
[INFO] running `Command { std: "docker" "inspect" "7f5ec38fae6ae17337510724f8451a44b65cf2b7c1c1d2004a6eaebd0f33a880", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7f5ec38fae6ae17337510724f8451a44b65cf2b7c1c1d2004a6eaebd0f33a880" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/skip_list.rs:642:21
[INFO] [stdout]     |
[INFO] [stdout] 642 |         let level = (*node.as_ptr()).levels.len() - 1; // see [Node::new]
[INFO] [stdout]     |                     ^^-------------^^^^^^^^^^^^^^
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       this raw pointer has type `*mut Node<T, S>`
[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: `&[Level<T, S>]`
[INFO] [stdout]    --> src/skip_list.rs:642:21
[INFO] [stdout]     |
[INFO] [stdout] 642 |         let level = (*node.as_ptr()).levels.len() - 1; // see [Node::new]
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: method calls to `len` require a reference
[INFO] [stdout]    --> /rustc/04eb0d7194012623e82369b466d5084522957446/library/core/src/slice/mod.rs:116:4
[INFO] [stdout]     = note: `#[warn(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] 642 |         let level = (&(*node.as_ptr()).levels).len() - 1; // see [Node::new]
[INFO] [stdout]     |                     ++                       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/skip_list_set.rs:179:22
[INFO] [stdout]     |
[INFO] [stdout] 179 |             unsafe { Box::from_raw(elt.value.as_ptr()) };
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 179 |             unsafe { let _ = Box::from_raw(elt.value.as_ptr()); };
[INFO] [stdout]     |                      +++++++                                  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/skip_list_set.rs:237:22
[INFO] [stdout]     |
[INFO] [stdout] 237 |             unsafe { Box::from_raw(key.value.as_ptr()) };
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 237 |             unsafe { let _ = Box::from_raw(key.value.as_ptr()); };
[INFO] [stdout]     |                      +++++++                                  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/skip_list_set.rs:248:22
[INFO] [stdout]     |
[INFO] [stdout] 248 |             unsafe { Box::from_raw(key.value.as_ptr()) };
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 248 |             unsafe { let _ = Box::from_raw(key.value.as_ptr()); };
[INFO] [stdout]     |                      +++++++                                  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling zset v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/skip_list_set.rs:260:22
[INFO] [stdout]     |
[INFO] [stdout] 260 |             unsafe { Box::from_raw(key.value.as_ptr()) };
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 260 |             unsafe { let _ = Box::from_raw(key.value.as_ptr()); };
[INFO] [stdout]     |                      +++++++                                  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/skip_list.rs:642:21
[INFO] [stdout]     |
[INFO] [stdout] 642 |         let level = (*node.as_ptr()).levels.len() - 1; // see [Node::new]
[INFO] [stdout]     |                     ^^-------------^^^^^^^^^^^^^^
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       this raw pointer has type `*mut Node<T, S>`
[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: `&[Level<T, S>]`
[INFO] [stdout]    --> src/skip_list.rs:642:21
[INFO] [stdout]     |
[INFO] [stdout] 642 |         let level = (*node.as_ptr()).levels.len() - 1; // see [Node::new]
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: method calls to `len` require a reference
[INFO] [stdout]    --> /rustc/04eb0d7194012623e82369b466d5084522957446/library/core/src/slice/mod.rs:116:4
[INFO] [stdout]     = note: `#[warn(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] 642 |         let level = (&(*node.as_ptr()).levels).len() - 1; // see [Node::new]
[INFO] [stdout]     |                     ++                       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/skip_list_set.rs:179:22
[INFO] [stdout]     |
[INFO] [stdout] 179 |             unsafe { Box::from_raw(elt.value.as_ptr()) };
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 179 |             unsafe { let _ = Box::from_raw(elt.value.as_ptr()); };
[INFO] [stdout]     |                      +++++++                                  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/skip_list_set.rs:237:22
[INFO] [stdout]     |
[INFO] [stdout] 237 |             unsafe { Box::from_raw(key.value.as_ptr()) };
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 237 |             unsafe { let _ = Box::from_raw(key.value.as_ptr()); };
[INFO] [stdout]     |                      +++++++                                  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/skip_list_set.rs:248:22
[INFO] [stdout]     |
[INFO] [stdout] 248 |             unsafe { Box::from_raw(key.value.as_ptr()) };
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 248 |             unsafe { let _ = Box::from_raw(key.value.as_ptr()); };
[INFO] [stdout]     |                      +++++++                                  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/skip_list_set.rs:260:22
[INFO] [stdout]     |
[INFO] [stdout] 260 |             unsafe { Box::from_raw(key.value.as_ptr()) };
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 260 |             unsafe { let _ = Box::from_raw(key.value.as_ptr()); };
[INFO] [stdout]     |                      +++++++                                  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 4.03s
[INFO] running `Command { std: "docker" "inspect" "7f5ec38fae6ae17337510724f8451a44b65cf2b7c1c1d2004a6eaebd0f33a880", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7f5ec38fae6ae17337510724f8451a44b65cf2b7c1c1d2004a6eaebd0f33a880" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stderr]    --> src/skip_list.rs:642:21
[INFO] [stderr]     |
[INFO] [stderr] 642 |         let level = (*node.as_ptr()).levels.len() - 1; // see [Node::new]
[INFO] [stderr]     |                     ^^-------------^^^^^^^^^^^^^^
[INFO] [stderr]     |                       |
[INFO] [stderr]     |                       this raw pointer has type `*mut Node<T, S>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stderr] note: autoref is being applied to this expression, resulting in: `&[Level<T, S>]`
[INFO] [stderr]    --> src/skip_list.rs:642:21
[INFO] [stderr]     |
[INFO] [stderr] 642 |         let level = (*node.as_ptr()).levels.len() - 1; // see [Node::new]
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] note: method calls to `len` require a reference
[INFO] [stderr]    --> /rustc/04eb0d7194012623e82369b466d5084522957446/library/core/src/slice/mod.rs:116:4
[INFO] [stderr]     = note: `#[warn(dangerous_implicit_autorefs)]` on by default
[INFO] [stderr] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stderr]     |
[INFO] [stderr] 642 |         let level = (&(*node.as_ptr()).levels).len() - 1; // see [Node::new]
[INFO] [stderr]     |                     ++                       +
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stderr]    --> src/skip_list_set.rs:179:22
[INFO] [stderr]     |
[INFO] [stderr] 179 |             unsafe { Box::from_raw(elt.value.as_ptr()) };
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 179 |             unsafe { let _ = Box::from_raw(elt.value.as_ptr()); };
[INFO] [stderr]     |                      +++++++                                  +
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stderr]    --> src/skip_list_set.rs:237:22
[INFO] [stderr]     |
[INFO] [stderr] 237 |             unsafe { Box::from_raw(key.value.as_ptr()) };
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 237 |             unsafe { let _ = Box::from_raw(key.value.as_ptr()); };
[INFO] [stderr]     |                      +++++++                                  +
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stderr]    --> src/skip_list_set.rs:248:22
[INFO] [stderr]     |
[INFO] [stderr] 248 |             unsafe { Box::from_raw(key.value.as_ptr()) };
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 248 |             unsafe { let _ = Box::from_raw(key.value.as_ptr()); };
[INFO] [stderr]     |                      +++++++                                  +
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stderr]    --> src/skip_list_set.rs:260:22
[INFO] [stderr]     |
[INFO] [stderr] 260 |             unsafe { Box::from_raw(key.value.as_ptr()) };
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 260 |             unsafe { let _ = Box::from_raw(key.value.as_ptr()); };
[INFO] [stderr]     |                      +++++++                                  +
[INFO] [stderr] 
[INFO] [stderr] warning: `zset` (lib) generated 5 warnings
[INFO] [stderr] warning: `zset` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/deps/zset-c0477633b6aa4b81)
[INFO] [stdout] 
[INFO] [stdout] running 43 tests
[INFO] [stdout] test skip_list::tests::test_backward ... ok
[INFO] [stdout] test skip_list::tests::test_delete_range_by_score ... ok
[INFO] [stdout] test skip_list::tests::test_delete_range_by_rank ... ok
[INFO] [stdout] test skip_list::tests::test_delete_range_by_lex ... ok
[INFO] [stdout] test skip_list::tests::test_drop ... ok
[INFO] [stdout] test skip_list::tests::test_drop_with_pop ... ok
[INFO] [stdout] test skip_list::tests::test_drop_with_range ... ok
[INFO] [stdout] test skip_list::tests::test_first_in_lexrange ... ok
[INFO] [stdout] test skip_list::tests::test_first_in_range ... ok
[INFO] [stdout] test skip_list::tests::test_in_lexrange ... ok
[INFO] [stdout] test skip_list::tests::test_in_range ... ok
[INFO] [stdout] test skip_list::tests::test_last_in_lexrange ... ok
[INFO] [stdout] test skip_list::tests::test_last_in_range ... ok
[INFO] [stdout] test skip_list::tests::test_basic ... ok
[INFO] [stdout] test skip_list::tests::test_range_iter ... ok
[INFO] [stdout] test skip_list::tests::test_lexrange_iter ... ok
[INFO] [stdout] test skip_list::tests::test_rank ... ok
[INFO] [stdout] test skip_list::tests::test_rank_iter ... ok
[INFO] [stdout] test skip_list::tests::test_drop_panic ... ok
[INFO] [stdout] test skip_list::tests::test_remove ... ok
[INFO] [stdout] test skip_list::tests::test_same_score_ordering ... ok
[INFO] [stdout] test skip_list::tests::test_update_score ... ok
[INFO] [stdout] test skip_list::tests::test_update_score_boxed ... ok
[INFO] [stdout] test skip_list::tests::test_update_with_wrong_element - should panic ... ok
[INFO] [stdout] test skip_list::tests::test_update_with_wrong_score - should panic ... ok
[INFO] [stdout] test skip_list_set::tests::test_basic ... ok
[INFO] [stdout] test skip_list_set::tests::test_count_in_lexrange ... ok
[INFO] [stdout] test skip_list_set::tests::test_count_in_range ... ok
[INFO] [stdout] test skip_list_set::tests::test_delete_range_by_lex ... ok
[INFO] [stdout] test skip_list_set::tests::test_delete_range_by_rank ... ok
[INFO] [stdout] test skip_list_set::tests::test_delete_range_by_score ... ok
[INFO] [stdout] test skip_list_set::tests::test_drop ... ok
[INFO] [stdout] test skip_list_set::tests::test_drop_delete_in_range ... ok
[INFO] [stdout] test skip_list_set::tests::test_drop_in_pop ... ok
[INFO] [stdout] test skip_list_set::tests::test_get ... ok
[INFO] [stdout] test skip_list_set::tests::test_lexrange_iter ... ok
[INFO] [stdout] test skip_list_set::tests::test_pop_max ... ok
[INFO] [stdout] test skip_list_set::tests::test_pop_min ... ok
[INFO] [stdout] test skip_list_set::tests::test_range_iter ... ok
[INFO] [stdout] test skip_list_set::tests::test_rank ... ok
[INFO] [stdout] test skip_list_set::tests::test_reverse_rank ... ok
[INFO] [stdout] test skip_list_set::tests::test_reinsert_updates_score ... ok
[INFO] [stdout] test skip_list_set::tests::test_rank_iter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 43 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests zset
[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" "7f5ec38fae6ae17337510724f8451a44b65cf2b7c1c1d2004a6eaebd0f33a880", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f5ec38fae6ae17337510724f8451a44b65cf2b7c1c1d2004a6eaebd0f33a880", kill_on_drop: false }`
[INFO] [stdout] 7f5ec38fae6ae17337510724f8451a44b65cf2b7c1c1d2004a6eaebd0f33a880
