[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] documenting DelSkayn/toydb against beta-2025-10-28 for beta-1.92-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDelSkayn%2Ftoydb" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-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-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/DelSkayn/toydb on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51f8ad80f4ced9f7d8a8ce0af13fd257ee1c50a0482307c6867df8a1edb0a142
[INFO] running `Command { std: "docker" "start" "-a" "51f8ad80f4ced9f7d8a8ce0af13fd257ee1c50a0482307c6867df8a1edb0a142", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51f8ad80f4ced9f7d8a8ce0af13fd257ee1c50a0482307c6867df8a1edb0a142", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51f8ad80f4ced9f7d8a8ce0af13fd257ee1c50a0482307c6867df8a1edb0a142", kill_on_drop: false }`
[INFO] [stdout] 51f8ad80f4ced9f7d8a8ce0af13fd257ee1c50a0482307c6867df8a1edb0a142
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26b09a3b20cd878bf77a6a703762080b9403f76d700a291f7999d6b771ed47ae
[INFO] running `Command { std: "docker" "start" "-a" "26b09a3b20cd878bf77a6a703762080b9403f76d700a291f7999d6b771ed47ae", kill_on_drop: false }`
[INFO] [stderr]     Checking art v0.1.0 (/opt/rustwide/workdir/crates/art)
[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[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: 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] 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) due to 5 previous errors; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "26b09a3b20cd878bf77a6a703762080b9403f76d700a291f7999d6b771ed47ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26b09a3b20cd878bf77a6a703762080b9403f76d700a291f7999d6b771ed47ae", kill_on_drop: false }`
[INFO] [stdout] 26b09a3b20cd878bf77a6a703762080b9403f76d700a291f7999d6b771ed47ae
