[INFO] cloning repository https://github.com/DelSkayn/toydb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DelSkayn/toydb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDelSkayn%2Ftoydb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDelSkayn%2Ftoydb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 56bd568a1b5a51b80384dcf21f69f1eda2421942
[INFO] checking DelSkayn/toydb against try#f77b5bc6c7c84df104f86b0dd01d9490e3923fa8 for pr-147834
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDelSkayn%2Ftoydb" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/DelSkayn/toydb
[INFO] finished tweaking git repo https://github.com/DelSkayn/toydb
[INFO] tweaked toml for git repo https://github.com/DelSkayn/toydb written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/DelSkayn/toydb on toolchain f77b5bc6c7c84df104f86b0dd01d9490e3923fa8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/DelSkayn/toydb 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" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 853829fd285b2cc0dbe54a01001660c6ea45853ea99afae94fd24de05ed817e9
[INFO] running `Command { std: "docker" "start" "-a" "853829fd285b2cc0dbe54a01001660c6ea45853ea99afae94fd24de05ed817e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "853829fd285b2cc0dbe54a01001660c6ea45853ea99afae94fd24de05ed817e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "853829fd285b2cc0dbe54a01001660c6ea45853ea99afae94fd24de05ed817e9", kill_on_drop: false }`
[INFO] [stdout] 853829fd285b2cc0dbe54a01001660c6ea45853ea99afae94fd24de05ed817e9
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d30c3380e5426311a1cac2b8ed4e9dffa4144d75618064a9e0369d7062058130
[INFO] running `Command { std: "docker" "start" "-a" "d30c3380e5426311a1cac2b8ed4e9dffa4144d75618064a9e0369d7062058130", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking half v2.3.1
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking clap_builder v4.4.18
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking rayon-core v1.12.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking rayon v1.8.1
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking is-terminal v0.4.10
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking clap v4.4.18
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]    Compiling bytemuck_derive v1.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking bytemuck v1.14.0
[INFO] [stderr]     Checking aart v0.1.0 (/opt/rustwide/workdir/crates/aart)
[INFO] [stderr]     Checking art v0.1.0 (/opt/rustwide/workdir/crates/art)
[INFO] [stdout] warning: unused import: `crate::raw::nodes::NodeHeader`
[INFO] [stdout]  --> crates/aart/src/key/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::raw::nodes::NodeHeader;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `crossbeam_loom`
[INFO] [stdout]  --> crates/aart/src/prim.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[cfg(crossbeam_loom)]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(crossbeam_loom)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(crossbeam_loom)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `crossbeam_loom`
[INFO] [stdout]  --> crates/aart/src/prim.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[cfg(crossbeam_loom)]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(crossbeam_loom)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(crossbeam_loom)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `crossbeam_loom`
[INFO] [stdout]   --> crates/aart/src/prim.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[cfg(not(crossbeam_loom))]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(crossbeam_loom)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(crossbeam_loom)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `crossbeam_loom`
[INFO] [stdout]   --> crates/aart/src/prim.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[cfg(not(crossbeam_loom))]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(crossbeam_loom)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(crossbeam_loom)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `range_start` in this scope
[INFO] [stdout]   --> crates/art/src/raw/mod.rs:78:54
[INFO] [stdout]    |
[INFO] [stdout] 78 |                 node.new_branch(key, value, matched, range_start, mismatch_index)
[INFO] [stdout]    |                                                      ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `mismatch_index` in this scope
[INFO] [stdout]   --> crates/art/src/raw/mod.rs:78:67
[INFO] [stdout]    |
[INFO] [stdout] 78 |                 node.new_branch(key, value, matched, range_start, mismatch_index)
[INFO] [stdout]    |                                                                   ^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `range_start` in this scope
[INFO] [stdout]   --> crates/art/src/raw/mod.rs:78:54
[INFO] [stdout]    |
[INFO] [stdout] 78 |                 node.new_branch(key, value, matched, range_start, mismatch_index)
[INFO] [stdout]    |                                                      ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `mismatch_index` in this scope
[INFO] [stdout]   --> crates/art/src/raw/mod.rs:78:67
[INFO] [stdout]    |
[INFO] [stdout] 78 |                 node.new_branch(key, value, matched, range_start, mismatch_index)
[INFO] [stdout]    |                                                                   ^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0049]: associated function `store` has 0 type parameters but its trait declaration has 1 type parameter
[INFO] [stdout]    --> crates/art/src/key/inline_buffer.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |     fn store(key: &K, range: Range<usize>, data: NodeData) -> Self {
[INFO] [stdout]     |             ^ found 0 type parameters
[INFO] [stdout]     |
[INFO] [stdout]    ::: crates/art/src/key/mod.rs:25:14
[INFO] [stdout]     |
[INFO] [stdout]  25 |     fn store<R: RangeBounds<usize>>(key: &K, range: R, data: NodeData) -> Self;
[INFO] [stdout]     |              - expected 1 type parameter
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0049]: associated function `store` has 0 type parameters but its trait declaration has 1 type parameter
[INFO] [stdout]   --> crates/art/src/key/pod.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn store(key: &T, range: Range<usize>, data: NodeData) -> Self {
[INFO] [stdout]    |             ^ found 0 type parameters
[INFO] [stdout]    |
[INFO] [stdout]   ::: crates/art/src/key/mod.rs:25:14
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn store<R: RangeBounds<usize>>(key: &K, range: R, data: NodeData) -> Self;
[INFO] [stdout]    |              - expected 1 type parameter
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0049]: associated function `store` has 0 type parameters but its trait declaration has 1 type parameter
[INFO] [stdout]    --> crates/art/src/key/inline_buffer.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |     fn store(key: &K, range: Range<usize>, data: NodeData) -> Self {
[INFO] [stdout]     |             ^ found 0 type parameters
[INFO] [stdout]     |
[INFO] [stdout]    ::: crates/art/src/key/mod.rs:25:14
[INFO] [stdout]     |
[INFO] [stdout]  25 |     fn store<R: RangeBounds<usize>>(key: &K, range: R, data: NodeData) -> Self;
[INFO] [stdout]     |              - expected 1 type parameter
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0049]: associated function `store` has 0 type parameters but its trait declaration has 1 type parameter
[INFO] [stdout]   --> crates/art/src/key/pod.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn store(key: &T, range: Range<usize>, data: NodeData) -> Self {
[INFO] [stdout]    |             ^ found 0 type parameters
[INFO] [stdout]    |
[INFO] [stdout]   ::: crates/art/src/key/mod.rs:25:14
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn store<R: RangeBounds<usize>>(key: &K, range: R, data: NodeData) -> Self;
[INFO] [stdout]    |              - expected 1 type parameter
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `KeyStorage`
[INFO] [stdout]  --> crates/aart/src/raw/nodes/node4.rs:6:21
[INFO] [stdout]   |
[INFO] [stdout] 6 |     key::{KeyBytes, KeyStorage},
[INFO] [stdout]   |                     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> crates/art/src/raw/mod.rs:32:52
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn insert(&mut self, key: &K, value: V) -> Option<V> {
[INFO] [stdout]    |            ------                                  ^^^^^^^^^ expected `Option<V>`, found `()`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Option<V>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> crates/art/src/raw/mod.rs:32:52
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn insert(&mut self, key: &K, value: V) -> Option<V> {
[INFO] [stdout]    |            ------                                  ^^^^^^^^^ expected `Option<V>`, found `()`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Option<V>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> crates/art/src/raw/nodes/leaf.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let mut header = NodeHeader::new::<Self>(key, range);
[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: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> crates/aart/src/raw/nodes/node16.rs:33:16
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn get(&self, key: u8) -> Option<NodeRef<K, V>> {
[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] 33 |     pub fn get(&self, key: u8) -> Option<NodeRef<'_, K, V>> {
[INFO] [stdout]    |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> crates/aart/src/raw/nodes/node256.rs:27:16
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn get(&self, key: u8) -> Option<NodeRef<K, V>> {
[INFO] [stdout]    |                ^^^^^                     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                |
[INFO] [stdout]    |                the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn get(&self, key: u8) -> Option<NodeRef<'_, K, V>> {
[INFO] [stdout]    |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> crates/aart/src/raw/nodes/node4.rs:36:16
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn get(&self, key: u8) -> Option<NodeRef<K, V>> {
[INFO] [stdout]    |                ^^^^^                     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                |
[INFO] [stdout]    |                the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn get(&self, key: u8) -> Option<NodeRef<'_, K, V>> {
[INFO] [stdout]    |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> crates/aart/src/raw/nodes/node48.rs:31:16
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn get(&self, key: u8) -> Option<NodeRef<K, V>> {
[INFO] [stdout]    |                ^^^^^                     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                |
[INFO] [stdout]    |                the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn get(&self, key: u8) -> Option<NodeRef<'_, K, V>> {
[INFO] [stdout]    |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> crates/aart/src/raw/nodes/ptr.rs:188:19
[INFO] [stdout]     |
[INFO] [stdout] 188 |     pub fn as_ref(&self) -> NodeRef<K, V> {
[INFO] [stdout]     |                   ^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 188 |     pub fn as_ref(&self) -> NodeRef<'_, K, V> {
[INFO] [stdout]     |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> crates/art/src/raw/nodes/node16.rs:168:24
[INFO] [stdout]     |
[INFO] [stdout] 154 |         unsafe {
[INFO] [stdout]     |         ------ because it's nested under this `unsafe` block
[INFO] [stdout] ...
[INFO] [stdout] 168 |                 return unsafe { Some(res.assume_owned()) };
[INFO] [stdout]     |                        ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> crates/art/src/raw/nodes/node48.rs:151:24
[INFO] [stdout]     |
[INFO] [stdout] 142 |         unsafe {
[INFO] [stdout]     |         ------ because it's nested under this `unsafe` block
[INFO] [stdout] ...
[INFO] [stdout] 151 |                 return unsafe { Some(res.assume_owned()) };
[INFO] [stdout]     |                        ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/art/src/raw/mod.rs:24:23
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn get(&self, key: &K) -> Option<&V> {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/art/src/raw/mod.rs:28:31
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn get_mut(&mut self, key: &K) -> Option<&mut V> {
[INFO] [stdout]    |                               ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/art/src/raw/mod.rs:40:30
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn remove(&mut self, key: &K) -> Option<V> {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> crates/art/src/raw/mod.rs:95:27
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn display(&self, f: &mut fmt::Formatter) -> fmt::Result {
[INFO] [stdout]    |                           ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> crates/art/src/raw/nodes/leaf.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let mut header = NodeHeader::new::<Self>(key, range);
[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] Some errors have detailed explanations: E0049, E0308, E0425.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0049`.
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> crates/art/src/raw/nodes/node16.rs:168:24
[INFO] [stdout]     |
[INFO] [stdout] 154 |         unsafe {
[INFO] [stdout]     |         ------ because it's nested under this `unsafe` block
[INFO] [stdout] ...
[INFO] [stdout] 168 |                 return unsafe { Some(res.assume_owned()) };
[INFO] [stdout]     |                        ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `art` (lib) due to 5 previous errors; 7 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> crates/art/src/raw/nodes/node48.rs:151:24
[INFO] [stdout]     |
[INFO] [stdout] 142 |         unsafe {
[INFO] [stdout]     |         ------ because it's nested under this `unsafe` block
[INFO] [stdout] ...
[INFO] [stdout] 151 |                 return unsafe { Some(res.assume_owned()) };
[INFO] [stdout]     |                        ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/art/src/raw/mod.rs:24:23
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn get(&self, key: &K) -> Option<&V> {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/art/src/raw/mod.rs:28:31
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn get_mut(&mut self, key: &K) -> Option<&mut V> {
[INFO] [stdout]    |                               ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/art/src/raw/mod.rs:40:30
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn remove(&mut self, key: &K) -> Option<V> {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> crates/art/src/raw/mod.rs:95:27
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn display(&self, f: &mut fmt::Formatter) -> fmt::Result {
[INFO] [stdout]    |                           ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0049, E0308, E0425.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0049`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `art` (lib test) due to 5 previous errors; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "d30c3380e5426311a1cac2b8ed4e9dffa4144d75618064a9e0369d7062058130", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d30c3380e5426311a1cac2b8ed4e9dffa4144d75618064a9e0369d7062058130", kill_on_drop: false }`
[INFO] [stdout] d30c3380e5426311a1cac2b8ed4e9dffa4144d75618064a9e0369d7062058130
