[INFO] fetching crate ozone 0.1.0...
[INFO] testing ozone-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate ozone 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate ozone 0.1.0
[INFO] finished tweaking crates.io crate ozone 0.1.0
[INFO] tweaked toml for crates.io crate ozone 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ozone 0.1.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] [stderr]       Adding memmap v0.5.2 (available: v0.7.0)
[INFO] [stderr]       Adding rand v0.3.23 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memmap v0.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c30cbc85e6132a2aea27f5776ebe896079e392d13032e606797825e03b9c4f8d
[INFO] running `Command { std: "docker" "start" "-a" "c30cbc85e6132a2aea27f5776ebe896079e392d13032e606797825e03b9c4f8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c30cbc85e6132a2aea27f5776ebe896079e392d13032e606797825e03b9c4f8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c30cbc85e6132a2aea27f5776ebe896079e392d13032e606797825e03b9c4f8d", kill_on_drop: false }`
[INFO] [stdout] c30cbc85e6132a2aea27f5776ebe896079e392d13032e606797825e03b9c4f8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2343bfe4de6fad365e72af2a90e0f6af08848ddd090627c9e7e318df6dbb9ef6
[INFO] running `Command { std: "docker" "start" "-a" "2343bfe4de6fad365e72af2a90e0f6af08848ddd090627c9e7e318df6dbb9ef6", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling memmap v0.5.2
[INFO] [stderr]    Compiling ozone v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `AnonymousBuffer`, `Buffer`, and `FileBuffer`
[INFO] [stdout]  --> src/table/btree.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | use buffer::{Buffer, AnonymousBuffer, FileBuffer};
[INFO] [stdout]   |              ^^^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Page`
[INFO] [stdout]  --> src/table/btree.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use table::{Page};
[INFO] [stdout]   |             ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rng` and `StdRng`
[INFO] [stdout]  --> src/table/btree.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::{Rng, StdRng};
[INFO] [stdout]   |            ^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TypeId`
[INFO] [stdout]   --> src/table/mod.rs:21:21
[INFO] [stdout]    |
[INFO] [stdout] 21 | use std::any::{Any, TypeId};
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/buffer.rs:12:25
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn new_sized(&self, usize) -> Result<Self>;
[INFO] [stdout]    |                         ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/buffer.rs:13:26
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn resize(&mut self, usize) -> Result<()>;
[INFO] [stdout]    |                          ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/map.rs:95:40
[INFO] [stdout]    |
[INFO] [stdout] 95 |         let mut key: K = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/map.rs:96:42
[INFO] [stdout]    |
[INFO] [stdout] 96 |         let mut value: V = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/map.rs:122:42
[INFO] [stdout]     |
[INFO] [stdout] 122 |         let mut value: V = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/map.rs:138:40
[INFO] [stdout]     |
[INFO] [stdout] 138 |         let mut key: K = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/map.rs:268:39
[INFO] [stdout]     |
[INFO] [stdout] 268 |             let value = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/map.rs:377:42
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let k: K = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/map.rs:378:42
[INFO] [stdout]     |
[INFO] [stdout] 378 |                 let v: V = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/table/btree.rs:372:28
[INFO] [stdout]     |
[INFO] [stdout] 372 |                 keys: mem::uninitialized(),
[INFO] [stdout]     |                            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/table/btree.rs:391:28
[INFO] [stdout]     |
[INFO] [stdout] 391 |                 keys: mem::uninitialized(),
[INFO] [stdout]     |                            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/table/btree.rs:408:30
[INFO] [stdout]     |
[INFO] [stdout] 408 |                 values: mem::uninitialized(),
[INFO] [stdout]     |                              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/table/btree.rs:445:46
[INFO] [stdout]     |
[INFO] [stdout] 445 |         let mut temp_keys: [K; ORDER] = mem::uninitialized();
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/table/btree.rs:446:50
[INFO] [stdout]     |
[INFO] [stdout] 446 |         let mut temp_ptrs: [isize; ORDER] = mem::uninitialized();
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/table/btree.rs:530:54
[INFO] [stdout]     |
[INFO] [stdout] 530 |         let mut temp_ptrs: [isize; ORDER + 1] = mem::uninitialized();
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/table/btree.rs:531:46
[INFO] [stdout]     |
[INFO] [stdout] 531 |         let mut temp_keys: [K; ORDER] = mem::uninitialized();
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]    --> src/table/btree.rs:250:57
[INFO] [stdout]     |
[INFO] [stdout] 250 |             c = (self.meta.as_meta().start as *const _).offset(*Self::nth_ptr(c, i));
[INFO] [stdout]     |                                                         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout]     = note: `#[warn(tyvar_behind_raw_pointer)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]    --> src/table/btree.rs:319:64
[INFO] [stdout]     |
[INFO] [stdout] 319 |                 Some(&*(self.meta.as_meta().start as *const _).offset(*Self::nth_ptr(c, i)))
[INFO] [stdout]     |                                                                ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]    --> src/table/btree.rs:338:65
[INFO] [stdout]     |
[INFO] [stdout] 338 |                 Some(&mut*(self.meta.as_meta().start as *mut _).offset(*Self::nth_ptr(c, i)))
[INFO] [stdout]     |                                                                 ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]     --> src/table/btree.rs:1034:110
[INFO] [stdout]      |
[INFO] [stdout] 1034 |             self.find_block(key).and_then(|ref x| Some(&x.as_bucket().values[0] as *const _)).and_then(|x| x.as_ref())
[INFO] [stdout]      |                                                                                                              ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]      = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]     --> src/table/btree.rs:1057:98
[INFO] [stdout]      |
[INFO] [stdout] 1057 |             btree.meta.as_meta_mut().start = (&mut btree.meta.as_meta_mut() as *mut _ as *mut _).offset(0);
[INFO] [stdout]      |                                                                                                  ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]      = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]     --> src/table/btree.rs:1058:61
[INFO] [stdout]      |
[INFO] [stdout] 1058 |             btree.meta.as_meta_mut().end = (data as *mut _).offset(1) as *mut _;
[INFO] [stdout]      |                                                             ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]      = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]     --> src/table/btree.rs:1067:74
[INFO] [stdout]      |
[INFO] [stdout] 1067 |             btree.meta.as_meta_mut().start = (&mut btree.meta as *mut _).offset(0);
[INFO] [stdout]      |                                                                          ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]      = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]     --> src/table/btree.rs:1069:61
[INFO] [stdout]      |
[INFO] [stdout] 1069 |             btree.meta.as_meta_mut().end = (data as *mut _).offset(1) as *mut _;
[INFO] [stdout]      |                                                             ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]      = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/map.rs:172:17
[INFO] [stdout]     |
[INFO] [stdout] 172 |             let mut hash = h.elem_hash_mut(i);
[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/map.rs:203:17
[INFO] [stdout]     |
[INFO] [stdout] 203 |             let mut hash = h.elem_hash_mut(i);
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/map.rs:355:17
[INFO] [stdout]     |
[INFO] [stdout] 355 |             let mut hash = self.elem_hash_mut(i);
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]    --> src/table/btree.rs:239:21
[INFO] [stdout]     |
[INFO] [stdout] 239 |         let mut i = 0usize;
[INFO] [stdout]     |                     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]    --> src/table/btree.rs:259:21
[INFO] [stdout]     |
[INFO] [stdout] 259 |         let mut i = 0usize;
[INFO] [stdout]     |                     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/table/btree.rs:311:21
[INFO] [stdout]     |
[INFO] [stdout] 311 |         if let Some(mut c) = self.find_leaf(key) {
[INFO] [stdout]     |                     ----^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/table/btree.rs:330:21
[INFO] [stdout]     |
[INFO] [stdout] 330 |         if let Some(mut c) = self.find_leaf_mut(key) {
[INFO] [stdout]     |                     ----^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/table/btree.rs:562:13
[INFO] [stdout]     |
[INFO] [stdout] 562 |         let mut pivot = temp_keys[split];
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/table/btree.rs:712:13
[INFO] [stdout]     |
[INFO] [stdout] 712 |         for i in 0..Self::offset_to(self.meta.as_meta().start, self.meta.as_meta().end) {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/table/btree.rs:768:13
[INFO] [stdout]     |
[INFO] [stdout] 768 |         for i in 0..Self::offset_to(self.meta.as_meta().start, self.meta.as_meta().end) {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/table/btree.rs:775:13
[INFO] [stdout]     |
[INFO] [stdout] 775 |         for i in 0..Self::offset_to(self.meta.as_meta().start, self.meta.as_meta().end) {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/table/btree.rs:780:13
[INFO] [stdout]     |
[INFO] [stdout] 780 |         for i in 0..Self::offset_to(self.meta.as_meta().start, self.meta.as_meta().end) {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/table/btree.rs:797:13
[INFO] [stdout]     |
[INFO] [stdout] 797 |         for i in 0..Self::offset_to(self.meta.as_meta().start, self.meta.as_meta().end) {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/table/btree.rs:854:13
[INFO] [stdout]     |
[INFO] [stdout] 854 |         for i in 0..Self::offset_to(self.meta.as_meta().start, self.meta.as_meta().end) {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/table/btree.rs:881:13
[INFO] [stdout]     |
[INFO] [stdout] 881 |         for i in 0..Self::offset_to(self.meta.as_meta().start, self.meta.as_meta().end) {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/table/btree.rs:903:17
[INFO] [stdout]     |
[INFO] [stdout] 903 |             let mut next_smallest = if Self::num_keys(n) == 0 {
[INFO] [stdout]     |                 ----^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/table/btree.rs:886:13
[INFO] [stdout]     |
[INFO] [stdout] 886 |         for i in 0..Self::offset_to(self.meta.as_meta().start, self.meta.as_meta().end) {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/table/btree.rs:894:13
[INFO] [stdout]     |
[INFO] [stdout] 894 |         for i in 0..Self::offset_to(self.meta.as_meta().start, self.meta.as_meta().end) {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/table/btree.rs:950:13
[INFO] [stdout]     |
[INFO] [stdout] 950 |         for i in 0..Self::offset_to(self.meta.as_meta().start, self.meta.as_meta().end) {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]     --> src/table/btree.rs:1088:9
[INFO] [stdout]      |
[INFO] [stdout] 1088 |         unsafe {
[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: unused variable: `vec`
[INFO] [stdout]    --> src/table/mod.rs:409:37
[INFO] [stdout]     |
[INFO] [stdout] 409 |                         Entry::Data(ref vec) => mem::size_of_val(value),
[INFO] [stdout]     |                                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entry`
[INFO] [stdout]    --> src/table/mod.rs:410:38
[INFO] [stdout]     |
[INFO] [stdout] 410 |                         Entry::Entry(ref entry) => mem::size_of::<(usize, usize)>()
[INFO] [stdout]     |                                      ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/buffer.rs:87:17
[INFO] [stdout]    |
[INFO] [stdout] 87 |             let mut slice_from: &mut[u8] = unsafe { old_map.as_mut_slice() };
[INFO] [stdout]    |                 ----^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `average_probe_count` is never used
[INFO] [stdout]    --> src/map.rs:452:8
[INFO] [stdout]     |
[INFO] [stdout] 300 | / impl<K, V, B> HashMap<K, V, B>
[INFO] [stdout] 301 | |     where K: 'static + Eq + Hash + Sized,
[INFO] [stdout] 302 | |           V: 'static + Sized,
[INFO] [stdout] 303 | |           B: Buffer<Elem<K, V>>
[INFO] [stdout]     | |_______________________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 452 |       fn average_probe_count(&self) -> f64 {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PAGE_SIZE` is never used
[INFO] [stdout]   --> src/table/mod.rs:26:11
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub const PAGE_SIZE: usize = 4095;
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `STRING_SIZE` is never used
[INFO] [stdout]   --> src/table/mod.rs:27:11
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub const STRING_SIZE: usize = 256;
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PAGE_USED` is never used
[INFO] [stdout]   --> src/table/mod.rs:29:11
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub const PAGE_USED: u8 = !0;
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PAGE_AVAIL` is never used
[INFO] [stdout]   --> src/table/mod.rs:30:11
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub const PAGE_AVAIL: u8 = 1;
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PAGE_FREE` is never used
[INFO] [stdout]   --> src/table/mod.rs:31:11
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub const PAGE_FREE: u8 = 0;
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ByteString` is never constructed
[INFO] [stdout]   --> src/table/mod.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct ByteString([u8; STRING_SIZE]);
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PageType` is never used
[INFO] [stdout]   --> src/table/mod.rs:78:6
[INFO] [stdout]    |
[INFO] [stdout] 78 | enum PageType {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Page` is never constructed
[INFO] [stdout]    --> src/table/mod.rs:106:12
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub struct Page {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MetadataPage` is never constructed
[INFO] [stdout]    --> src/table/mod.rs:111:8
[INFO] [stdout]     |
[INFO] [stdout] 111 | struct MetadataPage {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BPlusTreePage` is never constructed
[INFO] [stdout]    --> src/table/mod.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout] 115 | struct BPlusTreePage {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ArrayListPage` is never constructed
[INFO] [stdout]    --> src/table/mod.rs:120:8
[INFO] [stdout]     |
[INFO] [stdout] 120 | struct ArrayListPage {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FreeListPage` is never constructed
[INFO] [stdout]    --> src/table/mod.rs:125:8
[INFO] [stdout]     |
[INFO] [stdout] 125 | struct FreeListPage {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Database` is never constructed
[INFO] [stdout]    --> src/table/mod.rs:131:12
[INFO] [stdout]     |
[INFO] [stdout] 131 | pub struct Database<B>
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TableType` is never used
[INFO] [stdout]    --> src/table/mod.rs:139:10
[INFO] [stdout]     |
[INFO] [stdout] 139 | pub enum TableType {
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `try_new` are never used
[INFO] [stdout]    --> src/table/mod.rs:145:12
[INFO] [stdout]     |
[INFO] [stdout] 144 | impl Database<AnonymousBuffer<Page>> {
[INFO] [stdout]     | ------------------------------------ associated functions in this implementation
[INFO] [stdout] 145 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 149 |     pub fn try_new() -> Result<Self> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `try_new` are never used
[INFO] [stdout]    --> src/table/mod.rs:158:12
[INFO] [stdout]     |
[INFO] [stdout] 157 | impl Database<FileBuffer<Page>> {
[INFO] [stdout]     | ------------------------------- associated functions in this implementation
[INFO] [stdout] 158 |     pub fn new<P>(path: P) -> Self
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 164 |     pub fn try_new<P>(path: P) -> Result<Self>
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/table/mod.rs:177:8
[INFO] [stdout]     |
[INFO] [stdout] 174 | / impl<B> Database<B>
[INFO] [stdout] 175 | |     where B: Buffer<Page>
[INFO] [stdout]     | |_________________________- methods in this implementation
[INFO] [stdout] 176 |   {
[INFO] [stdout] 177 |       fn metadata(&self) -> &'static MetadataPage {
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 183 |       fn metadata_mut(&mut self) -> &'static mut MetadataPage {
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 189 |       fn arraylist(&self, page_ix: usize, pagetype: PageType) -> &'static ArrayListPage {
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 195 |       fn arraylist_mut(&mut self, page_ix: usize, pagetype: PageType) -> &'static mut ArrayListPage {
[INFO] [stdout]     |          ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 201 |       fn freelist(&self, page_ix: usize, pagetype: PageType) -> &'static FreeListPage {
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 207 |       fn freelist_mut(&mut self, page_ix: usize, pagetype: PageType) -> &'static mut FreeListPage {
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 213 |       fn bplustree(&self, page_ix: usize, pagetype: PageType) -> &'static BPlusTreePage {
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 219 |       fn bplustree_mut(&mut self, page_ix: usize, pagetype: PageType) -> &'static mut BPlusTreePage {
[INFO] [stdout]     |          ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 225 |       fn init(&mut self) {
[INFO] [stdout]     |          ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 277 |       fn freelist_insert(&mut self, data: &Entry) -> (usize, usize) {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 293 |       fn freelist_insert_into_page(&mut self, page_ix: usize, data: &Entry) -> Option<usize> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 321 |       fn freelist_insert_row(&mut self, entry: &Vec<Entry>) -> (usize, usize) {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 337 |       fn freelist_insert_row_into_page(&mut self, page_ix: usize, entry: &Vec<Entry>) -> Option<usize> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 369 |       fn create_page(&mut self, pagetype: PageType) -> usize {
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Entry` is never used
[INFO] [stdout]    --> src/table/mod.rs:391:10
[INFO] [stdout]     |
[INFO] [stdout] 391 | pub enum Entry {
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `size`, `from`, and `bytes` are never used
[INFO] [stdout]    --> src/table/mod.rs:397:12
[INFO] [stdout]     |
[INFO] [stdout] 396 | impl Entry {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout] 397 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 401 |     fn size(&self) -> usize {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 418 |     pub fn from<T>(value: &T) -> Self
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 424 |     pub fn bytes<T>(value: &T) -> Vec<u8>
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ORDER` is never used
[INFO] [stdout]  --> src/table/btree.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const ORDER: usize = 3;
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Free` is never constructed
[INFO] [stdout]   --> src/table/btree.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Free {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]   --> src/table/btree.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Node<K>
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Bucket` is never constructed
[INFO] [stdout]   --> src/table/btree.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct Bucket<V>
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Meta` is never constructed
[INFO] [stdout]   --> src/table/btree.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct Meta<K, V>
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Block` is never used
[INFO] [stdout]   --> src/table/btree.rs:44:6
[INFO] [stdout]    |
[INFO] [stdout] 44 | enum Block<K, V>
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/table/btree.rs:58:8
[INFO] [stdout]     |
[INFO] [stdout]  54 | / impl<K, V> Block<K, V>
[INFO] [stdout]  55 | |     where K: PartialOrd + Copy + Sized + fmt::Debug,
[INFO] [stdout]  56 | |           V: Copy + Sized + fmt::Debug,
[INFO] [stdout]     | |_______________________________________- methods in this implementation
[INFO] [stdout]  57 |   {
[INFO] [stdout]  58 |       fn as_free(&self) -> &Free {
[INFO] [stdout]     |          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  67 |       fn as_free_mut(&mut self) -> &mut Free {
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  76 |       fn as_node(&self) -> &Node<K> {
[INFO] [stdout]     |          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  85 |       fn as_node_mut(&mut self) -> &mut Node<K> {
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  94 |       fn as_bucket(&self) -> &Bucket<V> {
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 103 |       fn as_bucket_mut(&mut self) -> &mut Bucket<V> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 112 |       fn as_meta(&self) -> &Meta<K, V> {
[INFO] [stdout]     |          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 121 |       fn as_meta_mut(&mut self) -> &mut Meta<K, V> {
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BTree` is never constructed
[INFO] [stdout]    --> src/table/btree.rs:131:12
[INFO] [stdout]     |
[INFO] [stdout] 131 | pub struct BTree<K, V>
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]     --> src/table/btree.rs:149:15
[INFO] [stdout]      |
[INFO] [stdout]  144 | / impl<K, V> BTree<K, V>
[INFO] [stdout]  145 | |     where K: PartialOrd + Copy + Sized + fmt::Debug,
[INFO] [stdout]  146 | |           V: Copy + Sized + fmt::Debug,
[INFO] [stdout]      | |_______________________________________- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  149 |       unsafe fn is_leaf(node: *const Block<K, V>) -> bool {
[INFO] [stdout]      |                 ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  159 |       unsafe fn parent(node: *const Block<K, V>) -> Option<isize> {
[INFO] [stdout]      |                 ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  169 |       unsafe fn parent_mut(node: *mut Block<K, V>) -> *mut Option<isize> {
[INFO] [stdout]      |                 ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  179 |       unsafe fn num_keys(node: *const Block<K, V>) -> u8 {
[INFO] [stdout]      |                 ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  189 |       unsafe fn num_keys_mut(node: *mut Block<K, V>) -> *mut u8 {
[INFO] [stdout]      |                 ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  199 |       unsafe fn nth_key(node: *const Block<K, V>, n: usize) -> *const K {
[INFO] [stdout]      |                 ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  209 |       unsafe fn nth_key_mut(node: *mut Block<K, V>, n: usize) -> *mut K {
[INFO] [stdout]      |                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  219 |       unsafe fn nth_ptr(node: *const Block<K, V>, n: usize) -> *const isize {
[INFO] [stdout]      |                 ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  229 |       unsafe fn nth_ptr_mut(node: *mut Block<K, V>, n: usize) -> *mut isize {
[INFO] [stdout]      |                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  238 |       unsafe fn find_leaf(&self, key: &K) -> Option<*const Block<K, V>> {
[INFO] [stdout]      |                 ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  258 |       unsafe fn find_leaf_mut(&mut self, key: &K) -> Option<*mut Block<K, V>> {
[INFO] [stdout]      |                 ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  278 |       unsafe fn range_find_blocks<'a>(&self, key_start: &K, key_end: &K) -> Vec<(&K, &'a Block<K, V>)> {
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  309 |       unsafe fn find_block<'a>(&self, key: &K) -> Option<&'a Block<K, V>> {
[INFO] [stdout]      |                 ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  328 |       unsafe fn find_block_mut<'a>(&mut self, key: &K) -> Option<&'a mut Block<K, V>> {
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  348 |       fn cut(length: usize) -> usize {
[INFO] [stdout]      |          ^^^
[INFO] [stdout] ...
[INFO] [stdout]  357 |       fn offset_to(from: *const Block<K, V>, to: *const Block<K, V>) -> isize {
[INFO] [stdout]      |          ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  361 |       unsafe fn make_node(&mut self) -> isize {
[INFO] [stdout]      |                 ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  380 |       unsafe fn make_leaf(&mut self) -> isize {
[INFO] [stdout]      |                 ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  399 |       unsafe fn make_bucket(&mut self) -> isize {
[INFO] [stdout]      |                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  414 |       unsafe fn get_left_index(&self, parent: *const Block<K, V>, left: *const Block<K, V>) -> usize {
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  422 |       unsafe fn insert_into_leaf(&mut self, leaf: *mut Block<K, V>, key: K, value: *mut Block<K, V>) {
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  444 |       unsafe fn split_and_insert_into_leaf(&mut self, leaf: *mut Block<K, V>, key: K, value: *mut Block<K, V>) {
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  512 |       unsafe fn insert_into_node(&mut self, n: *mut Block<K, V>, left_index: usize, key: K, right: *mut Block<K, V>) {
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  529 |       unsafe fn split_and_insert_into_node(&mut self, old_node: *mut Block<K, V>, left_index: usize, key: K, right: *mut Block<K, ...
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  590 |       unsafe fn insert_into_parent(&mut self, left: *mut Block<K, V>, key: K, right: *mut Block<K, V>) {
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  606 |       unsafe fn insert_into_new_root(&mut self, left: *mut Block<K, V>, key: K, right: *mut Block<K, V>) {
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  627 |       unsafe fn start_new_tree(&mut self, key: K, value: *mut Block<K, V>) {
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  639 |       unsafe fn get_neighbour_index(&self, n: *mut Block<K, V>) -> Option<usize> {
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  650 |       unsafe fn remove_entry_from_node(&mut self, n: *mut Block<K, V>, key: &K, value: *mut Block<K, V>) -> usize {
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  695 |       unsafe fn adjust_root(&mut self) {
[INFO] [stdout]      |                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  711 |       unsafe fn merge_nodes(&mut self, mut n: *mut Block<K, V>, mut neighbour: *mut Block<K, V>, neighbour_index: Option<usize>, p...
[INFO] [stdout]      |                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  779 |       unsafe fn redistribute_nodes(&mut self, n: *mut Block<K, V>, neighbour: *mut Block<K, V>, neighbour_index: Option<usize>, pi...
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  885 |       unsafe fn delete_entry(&mut self, n: *mut Block<K, V>, key: &K, value: *mut Block<K, V>) {
[INFO] [stdout]      |                 ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  954 |       pub fn pop_front(&mut self) -> Option<(K, V)> {
[INFO] [stdout]      |              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  972 |       pub fn pop_back(&mut self) -> Option<(K, V)> {
[INFO] [stdout]      |              ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  990 |       pub fn delete(&mut self, key: &K) -> bool {
[INFO] [stdout]      |              ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1005 |       pub fn insert(&mut self, key: K, value: V) -> bool {
[INFO] [stdout]      |              ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1032 |       pub fn find(&self, key: &K) -> Option<&V> {
[INFO] [stdout]      |              ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1038 |       pub fn range_find(&self, key_start: &K, key_end: &K) -> Vec<(&K, &V)> {
[INFO] [stdout]      |              ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1044 |       pub fn is_empty(&self) -> bool {
[INFO] [stdout]      |              ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1048 |       pub fn is_full(&self) -> bool {
[INFO] [stdout]      |              ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1054 |       pub fn load_from<'a, T>(data: &mut T) -> &'a mut Self {
[INFO] [stdout]      |              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1063 |       pub fn create_from<T>(data: &mut T) -> &mut Self {
[INFO] [stdout]      |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/map.rs:263:18
[INFO] [stdout]     |
[INFO] [stdout] 263 |     pub fn entry(&mut self, key: K) -> Entry<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] 263 |     pub fn entry(&mut self, key: K) -> Entry<'_, K, V> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[isize; 3]` does not permit being left uninitialized
[INFO] [stdout]    --> src/table/btree.rs:446:45
[INFO] [stdout]     |
[INFO] [stdout] 446 |         let mut temp_ptrs: [isize; ORDER] = mem::uninitialized();
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                             |
[INFO] [stdout]     |                                             this code causes undefined behavior when executed
[INFO] [stdout]     |                                             help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[isize; 4]` does not permit being left uninitialized
[INFO] [stdout]    --> src/table/btree.rs:530:49
[INFO] [stdout]     |
[INFO] [stdout] 530 |         let mut temp_ptrs: [isize; ORDER + 1] = mem::uninitialized();
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                 |
[INFO] [stdout]     |                                                 this code causes undefined behavior when executed
[INFO] [stdout]     |                                                 help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "2343bfe4de6fad365e72af2a90e0f6af08848ddd090627c9e7e318df6dbb9ef6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2343bfe4de6fad365e72af2a90e0f6af08848ddd090627c9e7e318df6dbb9ef6", kill_on_drop: false }`
[INFO] [stdout] 2343bfe4de6fad365e72af2a90e0f6af08848ddd090627c9e7e318df6dbb9ef6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1bc97fe23a554d008415c715f8e7d21fb9e739f2b4938804ac2241c96bad1e8d
[INFO] running `Command { std: "docker" "start" "-a" "1bc97fe23a554d008415c715f8e7d21fb9e739f2b4938804ac2241c96bad1e8d", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stdout] warning: unused imports: `AnonymousBuffer`, `Buffer`, and `FileBuffer`
[INFO] [stdout]  --> src/table/btree.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | use buffer::{Buffer, AnonymousBuffer, FileBuffer};
[INFO] [stdout]   |              ^^^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Page`
[INFO] [stdout]  --> src/table/btree.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use table::{Page};
[INFO] [stdout]   |             ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rng` and `StdRng`
[INFO] [stdout]  --> src/table/btree.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::{Rng, StdRng};
[INFO] [stdout]   |            ^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TypeId`
[INFO] [stdout]   --> src/table/mod.rs:21:21
[INFO] [stdout]    |
[INFO] [stdout] 21 | use std::any::{Any, TypeId};
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/buffer.rs:12:25
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn new_sized(&self, usize) -> Result<Self>;
[INFO] [stdout]    |                         ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/buffer.rs:13:26
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn resize(&mut self, usize) -> Result<()>;
[INFO] [stdout]    |                          ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/map.rs:95:40
[INFO] [stdout]    |
[INFO] [stdout] 95 |         let mut key: K = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/map.rs:96:42
[INFO] [stdout]    |
[INFO] [stdout] 96 |         let mut value: V = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/map.rs:122:42
[INFO] [stdout]     |
[INFO] [stdout] 122 |         let mut value: V = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/map.rs:138:40
[INFO] [stdout]     |
[INFO] [stdout] 138 |         let mut key: K = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/map.rs:268:39
[INFO] [stdout]     |
[INFO] [stdout] 268 |             let value = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/map.rs:377:42
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let k: K = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/map.rs:378:42
[INFO] [stdout]     |
[INFO] [stdout] 378 |                 let v: V = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/table/btree.rs:372:28
[INFO] [stdout]     |
[INFO] [stdout] 372 |                 keys: mem::uninitialized(),
[INFO] [stdout]     |                            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/table/btree.rs:391:28
[INFO] [stdout]     |
[INFO] [stdout] 391 |                 keys: mem::uninitialized(),
[INFO] [stdout]     |                            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/table/btree.rs:408:30
[INFO] [stdout]     |
[INFO] [stdout] 408 |                 values: mem::uninitialized(),
[INFO] [stdout]     |                              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/table/btree.rs:445:46
[INFO] [stdout]     |
[INFO] [stdout] 445 |         let mut temp_keys: [K; ORDER] = mem::uninitialized();
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/table/btree.rs:446:50
[INFO] [stdout]     |
[INFO] [stdout] 446 |         let mut temp_ptrs: [isize; ORDER] = mem::uninitialized();
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/table/btree.rs:530:54
[INFO] [stdout]     |
[INFO] [stdout] 530 |         let mut temp_ptrs: [isize; ORDER + 1] = mem::uninitialized();
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/table/btree.rs:531:46
[INFO] [stdout]     |
[INFO] [stdout] 531 |         let mut temp_keys: [K; ORDER] = mem::uninitialized();
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]    --> src/table/btree.rs:250:57
[INFO] [stdout]     |
[INFO] [stdout] 250 |             c = (self.meta.as_meta().start as *const _).offset(*Self::nth_ptr(c, i));
[INFO] [stdout]     |                                                         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout]     = note: `#[warn(tyvar_behind_raw_pointer)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]    --> src/table/btree.rs:319:64
[INFO] [stdout]     |
[INFO] [stdout] 319 |                 Some(&*(self.meta.as_meta().start as *const _).offset(*Self::nth_ptr(c, i)))
[INFO] [stdout]     |                                                                ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]    --> src/table/btree.rs:338:65
[INFO] [stdout]     |
[INFO] [stdout] 338 |                 Some(&mut*(self.meta.as_meta().start as *mut _).offset(*Self::nth_ptr(c, i)))
[INFO] [stdout]     |                                                                 ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]     --> src/table/btree.rs:1034:110
[INFO] [stdout]      |
[INFO] [stdout] 1034 |             self.find_block(key).and_then(|ref x| Some(&x.as_bucket().values[0] as *const _)).and_then(|x| x.as_ref())
[INFO] [stdout]      |                                                                                                              ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]      = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]     --> src/table/btree.rs:1057:98
[INFO] [stdout]      |
[INFO] [stdout] 1057 |             btree.meta.as_meta_mut().start = (&mut btree.meta.as_meta_mut() as *mut _ as *mut _).offset(0);
[INFO] [stdout]      |                                                                                                  ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]      = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]     --> src/table/btree.rs:1058:61
[INFO] [stdout]      |
[INFO] [stdout] 1058 |             btree.meta.as_meta_mut().end = (data as *mut _).offset(1) as *mut _;
[INFO] [stdout]      |                                                             ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]      = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]     --> src/table/btree.rs:1067:74
[INFO] [stdout]      |
[INFO] [stdout] 1067 |             btree.meta.as_meta_mut().start = (&mut btree.meta as *mut _).offset(0);
[INFO] [stdout]      |                                                                          ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]      = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]     --> src/table/btree.rs:1069:61
[INFO] [stdout]      |
[INFO] [stdout] 1069 |             btree.meta.as_meta_mut().end = (data as *mut _).offset(1) as *mut _;
[INFO] [stdout]      |                                                             ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]      = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/map.rs:172:17
[INFO] [stdout]     |
[INFO] [stdout] 172 |             let mut hash = h.elem_hash_mut(i);
[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/map.rs:203:17
[INFO] [stdout]     |
[INFO] [stdout] 203 |             let mut hash = h.elem_hash_mut(i);
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/map.rs:355:17
[INFO] [stdout]     |
[INFO] [stdout] 355 |             let mut hash = self.elem_hash_mut(i);
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]    --> src/table/btree.rs:239:21
[INFO] [stdout]     |
[INFO] [stdout] 239 |         let mut i = 0usize;
[INFO] [stdout]     |                     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]    --> src/table/btree.rs:259:21
[INFO] [stdout]     |
[INFO] [stdout] 259 |         let mut i = 0usize;
[INFO] [stdout]     |                     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/table/btree.rs:311:21
[INFO] [stdout]     |
[INFO] [stdout] 311 |         if let Some(mut c) = self.find_leaf(key) {
[INFO] [stdout]     |                     ----^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/table/btree.rs:330:21
[INFO] [stdout]     |
[INFO] [stdout] 330 |         if let Some(mut c) = self.find_leaf_mut(key) {
[INFO] [stdout]     |                     ----^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/table/btree.rs:562:13
[INFO] [stdout]     |
[INFO] [stdout] 562 |         let mut pivot = temp_keys[split];
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/table/btree.rs:712:13
[INFO] [stdout]     |
[INFO] [stdout] 712 |         for i in 0..Self::offset_to(self.meta.as_meta().start, self.meta.as_meta().end) {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/table/btree.rs:768:13
[INFO] [stdout]     |
[INFO] [stdout] 768 |         for i in 0..Self::offset_to(self.meta.as_meta().start, self.meta.as_meta().end) {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/table/btree.rs:775:13
[INFO] [stdout]     |
[INFO] [stdout] 775 |         for i in 0..Self::offset_to(self.meta.as_meta().start, self.meta.as_meta().end) {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/table/btree.rs:780:13
[INFO] [stdout]     |
[INFO] [stdout] 780 |         for i in 0..Self::offset_to(self.meta.as_meta().start, self.meta.as_meta().end) {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/table/btree.rs:797:13
[INFO] [stdout]     |
[INFO] [stdout] 797 |         for i in 0..Self::offset_to(self.meta.as_meta().start, self.meta.as_meta().end) {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/table/btree.rs:854:13
[INFO] [stdout]     |
[INFO] [stdout] 854 |         for i in 0..Self::offset_to(self.meta.as_meta().start, self.meta.as_meta().end) {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/table/btree.rs:881:13
[INFO] [stdout]     |
[INFO] [stdout] 881 |         for i in 0..Self::offset_to(self.meta.as_meta().start, self.meta.as_meta().end) {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/table/btree.rs:903:17
[INFO] [stdout]     |
[INFO] [stdout] 903 |             let mut next_smallest = if Self::num_keys(n) == 0 {
[INFO] [stdout]     |                 ----^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/table/btree.rs:886:13
[INFO] [stdout]     |
[INFO] [stdout] 886 |         for i in 0..Self::offset_to(self.meta.as_meta().start, self.meta.as_meta().end) {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/table/btree.rs:894:13
[INFO] [stdout]     |
[INFO] [stdout] 894 |         for i in 0..Self::offset_to(self.meta.as_meta().start, self.meta.as_meta().end) {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/table/btree.rs:950:13
[INFO] [stdout]     |
[INFO] [stdout] 950 |         for i in 0..Self::offset_to(self.meta.as_meta().start, self.meta.as_meta().end) {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]     --> src/table/btree.rs:1088:9
[INFO] [stdout]      |
[INFO] [stdout] 1088 |         unsafe {
[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: unused variable: `vec`
[INFO] [stdout]    --> src/table/mod.rs:409:37
[INFO] [stdout]     |
[INFO] [stdout] 409 |                         Entry::Data(ref vec) => mem::size_of_val(value),
[INFO] [stdout]     |                                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entry`
[INFO] [stdout]    --> src/table/mod.rs:410:38
[INFO] [stdout]     |
[INFO] [stdout] 410 |                         Entry::Entry(ref entry) => mem::size_of::<(usize, usize)>()
[INFO] [stdout]     |                                      ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/buffer.rs:87:17
[INFO] [stdout]    |
[INFO] [stdout] 87 |             let mut slice_from: &mut[u8] = unsafe { old_map.as_mut_slice() };
[INFO] [stdout]    |                 ----^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `average_probe_count` is never used
[INFO] [stdout]    --> src/map.rs:452:8
[INFO] [stdout]     |
[INFO] [stdout] 300 | / impl<K, V, B> HashMap<K, V, B>
[INFO] [stdout] 301 | |     where K: 'static + Eq + Hash + Sized,
[INFO] [stdout] 302 | |           V: 'static + Sized,
[INFO] [stdout] 303 | |           B: Buffer<Elem<K, V>>
[INFO] [stdout]     | |_______________________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 452 |       fn average_probe_count(&self) -> f64 {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PAGE_SIZE` is never used
[INFO] [stdout]   --> src/table/mod.rs:26:11
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub const PAGE_SIZE: usize = 4095;
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `STRING_SIZE` is never used
[INFO] [stdout]   --> src/table/mod.rs:27:11
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub const STRING_SIZE: usize = 256;
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PAGE_USED` is never used
[INFO] [stdout]   --> src/table/mod.rs:29:11
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub const PAGE_USED: u8 = !0;
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PAGE_AVAIL` is never used
[INFO] [stdout]   --> src/table/mod.rs:30:11
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub const PAGE_AVAIL: u8 = 1;
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PAGE_FREE` is never used
[INFO] [stdout]   --> src/table/mod.rs:31:11
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub const PAGE_FREE: u8 = 0;
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ByteString` is never constructed
[INFO] [stdout]   --> src/table/mod.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct ByteString([u8; STRING_SIZE]);
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PageType` is never used
[INFO] [stdout]   --> src/table/mod.rs:78:6
[INFO] [stdout]    |
[INFO] [stdout] 78 | enum PageType {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Page` is never constructed
[INFO] [stdout]    --> src/table/mod.rs:106:12
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub struct Page {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MetadataPage` is never constructed
[INFO] [stdout]    --> src/table/mod.rs:111:8
[INFO] [stdout]     |
[INFO] [stdout] 111 | struct MetadataPage {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BPlusTreePage` is never constructed
[INFO] [stdout]    --> src/table/mod.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout] 115 | struct BPlusTreePage {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ArrayListPage` is never constructed
[INFO] [stdout]    --> src/table/mod.rs:120:8
[INFO] [stdout]     |
[INFO] [stdout] 120 | struct ArrayListPage {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FreeListPage` is never constructed
[INFO] [stdout]    --> src/table/mod.rs:125:8
[INFO] [stdout]     |
[INFO] [stdout] 125 | struct FreeListPage {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Database` is never constructed
[INFO] [stdout]    --> src/table/mod.rs:131:12
[INFO] [stdout]     |
[INFO] [stdout] 131 | pub struct Database<B>
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TableType` is never used
[INFO] [stdout]    --> src/table/mod.rs:139:10
[INFO] [stdout]     |
[INFO] [stdout] 139 | pub enum TableType {
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `try_new` are never used
[INFO] [stdout]    --> src/table/mod.rs:145:12
[INFO] [stdout]     |
[INFO] [stdout] 144 | impl Database<AnonymousBuffer<Page>> {
[INFO] [stdout]     | ------------------------------------ associated functions in this implementation
[INFO] [stdout] 145 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 149 |     pub fn try_new() -> Result<Self> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `try_new` are never used
[INFO] [stdout]    --> src/table/mod.rs:158:12
[INFO] [stdout]     |
[INFO] [stdout] 157 | impl Database<FileBuffer<Page>> {
[INFO] [stdout]     | ------------------------------- associated functions in this implementation
[INFO] [stdout] 158 |     pub fn new<P>(path: P) -> Self
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 164 |     pub fn try_new<P>(path: P) -> Result<Self>
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/table/mod.rs:177:8
[INFO] [stdout]     |
[INFO] [stdout] 174 | / impl<B> Database<B>
[INFO] [stdout] 175 | |     where B: Buffer<Page>
[INFO] [stdout]     | |_________________________- methods in this implementation
[INFO] [stdout] 176 |   {
[INFO] [stdout] 177 |       fn metadata(&self) -> &'static MetadataPage {
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 183 |       fn metadata_mut(&mut self) -> &'static mut MetadataPage {
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 189 |       fn arraylist(&self, page_ix: usize, pagetype: PageType) -> &'static ArrayListPage {
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 195 |       fn arraylist_mut(&mut self, page_ix: usize, pagetype: PageType) -> &'static mut ArrayListPage {
[INFO] [stdout]     |          ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 201 |       fn freelist(&self, page_ix: usize, pagetype: PageType) -> &'static FreeListPage {
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 207 |       fn freelist_mut(&mut self, page_ix: usize, pagetype: PageType) -> &'static mut FreeListPage {
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 213 |       fn bplustree(&self, page_ix: usize, pagetype: PageType) -> &'static BPlusTreePage {
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 219 |       fn bplustree_mut(&mut self, page_ix: usize, pagetype: PageType) -> &'static mut BPlusTreePage {
[INFO] [stdout]     |          ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 225 |       fn init(&mut self) {
[INFO] [stdout]     |          ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 277 |       fn freelist_insert(&mut self, data: &Entry) -> (usize, usize) {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 293 |       fn freelist_insert_into_page(&mut self, page_ix: usize, data: &Entry) -> Option<usize> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 321 |       fn freelist_insert_row(&mut self, entry: &Vec<Entry>) -> (usize, usize) {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 337 |       fn freelist_insert_row_into_page(&mut self, page_ix: usize, entry: &Vec<Entry>) -> Option<usize> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 369 |       fn create_page(&mut self, pagetype: PageType) -> usize {
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Entry` is never used
[INFO] [stdout]    --> src/table/mod.rs:391:10
[INFO] [stdout]     |
[INFO] [stdout] 391 | pub enum Entry {
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `size`, `from`, and `bytes` are never used
[INFO] [stdout]    --> src/table/mod.rs:397:12
[INFO] [stdout]     |
[INFO] [stdout] 396 | impl Entry {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout] 397 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 401 |     fn size(&self) -> usize {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 418 |     pub fn from<T>(value: &T) -> Self
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 424 |     pub fn bytes<T>(value: &T) -> Vec<u8>
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ORDER` is never used
[INFO] [stdout]  --> src/table/btree.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const ORDER: usize = 3;
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Free` is never constructed
[INFO] [stdout]   --> src/table/btree.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Free {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]   --> src/table/btree.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Node<K>
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Bucket` is never constructed
[INFO] [stdout]   --> src/table/btree.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct Bucket<V>
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Meta` is never constructed
[INFO] [stdout]   --> src/table/btree.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct Meta<K, V>
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Block` is never used
[INFO] [stdout]   --> src/table/btree.rs:44:6
[INFO] [stdout]    |
[INFO] [stdout] 44 | enum Block<K, V>
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/table/btree.rs:58:8
[INFO] [stdout]     |
[INFO] [stdout]  54 | / impl<K, V> Block<K, V>
[INFO] [stdout]  55 | |     where K: PartialOrd + Copy + Sized + fmt::Debug,
[INFO] [stdout]  56 | |           V: Copy + Sized + fmt::Debug,
[INFO] [stdout]     | |_______________________________________- methods in this implementation
[INFO] [stdout]  57 |   {
[INFO] [stdout]  58 |       fn as_free(&self) -> &Free {
[INFO] [stdout]     |          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  67 |       fn as_free_mut(&mut self) -> &mut Free {
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  76 |       fn as_node(&self) -> &Node<K> {
[INFO] [stdout]     |          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  85 |       fn as_node_mut(&mut self) -> &mut Node<K> {
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  94 |       fn as_bucket(&self) -> &Bucket<V> {
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 103 |       fn as_bucket_mut(&mut self) -> &mut Bucket<V> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 112 |       fn as_meta(&self) -> &Meta<K, V> {
[INFO] [stdout]     |          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 121 |       fn as_meta_mut(&mut self) -> &mut Meta<K, V> {
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ozone v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `BTree` is never constructed
[INFO] [stdout]    --> src/table/btree.rs:131:12
[INFO] [stdout]     |
[INFO] [stdout] 131 | pub struct BTree<K, V>
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]     --> src/table/btree.rs:149:15
[INFO] [stdout]      |
[INFO] [stdout]  144 | / impl<K, V> BTree<K, V>
[INFO] [stdout]  145 | |     where K: PartialOrd + Copy + Sized + fmt::Debug,
[INFO] [stdout]  146 | |           V: Copy + Sized + fmt::Debug,
[INFO] [stdout]      | |_______________________________________- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  149 |       unsafe fn is_leaf(node: *const Block<K, V>) -> bool {
[INFO] [stdout]      |                 ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  159 |       unsafe fn parent(node: *const Block<K, V>) -> Option<isize> {
[INFO] [stdout]      |                 ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  169 |       unsafe fn parent_mut(node: *mut Block<K, V>) -> *mut Option<isize> {
[INFO] [stdout]      |                 ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  179 |       unsafe fn num_keys(node: *const Block<K, V>) -> u8 {
[INFO] [stdout]      |                 ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  189 |       unsafe fn num_keys_mut(node: *mut Block<K, V>) -> *mut u8 {
[INFO] [stdout]      |                 ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  199 |       unsafe fn nth_key(node: *const Block<K, V>, n: usize) -> *const K {
[INFO] [stdout]      |                 ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  209 |       unsafe fn nth_key_mut(node: *mut Block<K, V>, n: usize) -> *mut K {
[INFO] [stdout]      |                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  219 |       unsafe fn nth_ptr(node: *const Block<K, V>, n: usize) -> *const isize {
[INFO] [stdout]      |                 ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  229 |       unsafe fn nth_ptr_mut(node: *mut Block<K, V>, n: usize) -> *mut isize {
[INFO] [stdout]      |                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  238 |       unsafe fn find_leaf(&self, key: &K) -> Option<*const Block<K, V>> {
[INFO] [stdout]      |                 ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  258 |       unsafe fn find_leaf_mut(&mut self, key: &K) -> Option<*mut Block<K, V>> {
[INFO] [stdout]      |                 ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  278 |       unsafe fn range_find_blocks<'a>(&self, key_start: &K, key_end: &K) -> Vec<(&K, &'a Block<K, V>)> {
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  309 |       unsafe fn find_block<'a>(&self, key: &K) -> Option<&'a Block<K, V>> {
[INFO] [stdout]      |                 ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  328 |       unsafe fn find_block_mut<'a>(&mut self, key: &K) -> Option<&'a mut Block<K, V>> {
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  348 |       fn cut(length: usize) -> usize {
[INFO] [stdout]      |          ^^^
[INFO] [stdout] ...
[INFO] [stdout]  357 |       fn offset_to(from: *const Block<K, V>, to: *const Block<K, V>) -> isize {
[INFO] [stdout]      |          ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  361 |       unsafe fn make_node(&mut self) -> isize {
[INFO] [stdout]      |                 ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  380 |       unsafe fn make_leaf(&mut self) -> isize {
[INFO] [stdout]      |                 ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  399 |       unsafe fn make_bucket(&mut self) -> isize {
[INFO] [stdout]      |                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  414 |       unsafe fn get_left_index(&self, parent: *const Block<K, V>, left: *const Block<K, V>) -> usize {
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  422 |       unsafe fn insert_into_leaf(&mut self, leaf: *mut Block<K, V>, key: K, value: *mut Block<K, V>) {
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  444 |       unsafe fn split_and_insert_into_leaf(&mut self, leaf: *mut Block<K, V>, key: K, value: *mut Block<K, V>) {
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  512 |       unsafe fn insert_into_node(&mut self, n: *mut Block<K, V>, left_index: usize, key: K, right: *mut Block<K, V>) {
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  529 |       unsafe fn split_and_insert_into_node(&mut self, old_node: *mut Block<K, V>, left_index: usize, key: K, right: *mut Block<K, ...
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  590 |       unsafe fn insert_into_parent(&mut self, left: *mut Block<K, V>, key: K, right: *mut Block<K, V>) {
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  606 |       unsafe fn insert_into_new_root(&mut self, left: *mut Block<K, V>, key: K, right: *mut Block<K, V>) {
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  627 |       unsafe fn start_new_tree(&mut self, key: K, value: *mut Block<K, V>) {
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  639 |       unsafe fn get_neighbour_index(&self, n: *mut Block<K, V>) -> Option<usize> {
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  650 |       unsafe fn remove_entry_from_node(&mut self, n: *mut Block<K, V>, key: &K, value: *mut Block<K, V>) -> usize {
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  695 |       unsafe fn adjust_root(&mut self) {
[INFO] [stdout]      |                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  711 |       unsafe fn merge_nodes(&mut self, mut n: *mut Block<K, V>, mut neighbour: *mut Block<K, V>, neighbour_index: Option<usize>, p...
[INFO] [stdout]      |                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  779 |       unsafe fn redistribute_nodes(&mut self, n: *mut Block<K, V>, neighbour: *mut Block<K, V>, neighbour_index: Option<usize>, pi...
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  885 |       unsafe fn delete_entry(&mut self, n: *mut Block<K, V>, key: &K, value: *mut Block<K, V>) {
[INFO] [stdout]      |                 ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  954 |       pub fn pop_front(&mut self) -> Option<(K, V)> {
[INFO] [stdout]      |              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  972 |       pub fn pop_back(&mut self) -> Option<(K, V)> {
[INFO] [stdout]      |              ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  990 |       pub fn delete(&mut self, key: &K) -> bool {
[INFO] [stdout]      |              ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1005 |       pub fn insert(&mut self, key: K, value: V) -> bool {
[INFO] [stdout]      |              ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1032 |       pub fn find(&self, key: &K) -> Option<&V> {
[INFO] [stdout]      |              ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1038 |       pub fn range_find(&self, key_start: &K, key_end: &K) -> Vec<(&K, &V)> {
[INFO] [stdout]      |              ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1044 |       pub fn is_empty(&self) -> bool {
[INFO] [stdout]      |              ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1048 |       pub fn is_full(&self) -> bool {
[INFO] [stdout]      |              ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1054 |       pub fn load_from<'a, T>(data: &mut T) -> &'a mut Self {
[INFO] [stdout]      |              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1063 |       pub fn create_from<T>(data: &mut T) -> &mut Self {
[INFO] [stdout]      |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/map.rs:263:18
[INFO] [stdout]     |
[INFO] [stdout] 263 |     pub fn entry(&mut self, key: K) -> Entry<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] 263 |     pub fn entry(&mut self, key: K) -> Entry<'_, K, V> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[isize; 3]` does not permit being left uninitialized
[INFO] [stdout]    --> src/table/btree.rs:446:45
[INFO] [stdout]     |
[INFO] [stdout] 446 |         let mut temp_ptrs: [isize; ORDER] = mem::uninitialized();
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                             |
[INFO] [stdout]     |                                             this code causes undefined behavior when executed
[INFO] [stdout]     |                                             help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[isize; 4]` does not permit being left uninitialized
[INFO] [stdout]    --> src/table/btree.rs:530:49
[INFO] [stdout]     |
[INFO] [stdout] 530 |         let mut temp_ptrs: [isize; ORDER + 1] = mem::uninitialized();
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                 |
[INFO] [stdout]     |                                                 this code causes undefined behavior when executed
[INFO] [stdout]     |                                                 help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Buffer` and `FileBuffer`
[INFO] [stdout]  --> src/table/btree.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | use buffer::{Buffer, AnonymousBuffer, FileBuffer};
[INFO] [stdout]   |              ^^^^^^                   ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]     --> src/table/btree.rs:1259:16
[INFO] [stdout]      |
[INFO] [stdout] 1259 |     inp.extend((1..151));
[INFO] [stdout]      |                ^      ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1259 -     inp.extend((1..151));
[INFO] [stdout] 1259 +     inp.extend(1..151);
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]     --> src/table/btree.rs:1260:16
[INFO] [stdout]      |
[INFO] [stdout] 1260 |     out.extend((1..151));
[INFO] [stdout]      |                ^      ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1260 -     out.extend((1..151));
[INFO] [stdout] 1260 +     out.extend(1..151);
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TypeId`
[INFO] [stdout]   --> src/table/mod.rs:21:21
[INFO] [stdout]    |
[INFO] [stdout] 21 | use std::any::{Any, TypeId};
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/buffer.rs:12:25
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn new_sized(&self, usize) -> Result<Self>;
[INFO] [stdout]    |                         ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/buffer.rs:13:26
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn resize(&mut self, usize) -> Result<()>;
[INFO] [stdout]    |                          ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/map.rs:95:40
[INFO] [stdout]    |
[INFO] [stdout] 95 |         let mut key: K = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/map.rs:96:42
[INFO] [stdout]    |
[INFO] [stdout] 96 |         let mut value: V = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/map.rs:122:42
[INFO] [stdout]     |
[INFO] [stdout] 122 |         let mut value: V = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/map.rs:138:40
[INFO] [stdout]     |
[INFO] [stdout] 138 |         let mut key: K = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/map.rs:268:39
[INFO] [stdout]     |
[INFO] [stdout] 268 |             let value = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/map.rs:377:42
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let k: K = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/map.rs:378:42
[INFO] [stdout]     |
[INFO] [stdout] 378 |                 let v: V = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/table/btree.rs:372:28
[INFO] [stdout]     |
[INFO] [stdout] 372 |                 keys: mem::uninitialized(),
[INFO] [stdout]     |                            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/table/btree.rs:391:28
[INFO] [stdout]     |
[INFO] [stdout] 391 |                 keys: mem::uninitialized(),
[INFO] [stdout]     |                            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/table/btree.rs:408:30
[INFO] [stdout]     |
[INFO] [stdout] 408 |                 values: mem::uninitialized(),
[INFO] [stdout]     |                              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/table/btree.rs:445:46
[INFO] [stdout]     |
[INFO] [stdout] 445 |         let mut temp_keys: [K; ORDER] = mem::uninitialized();
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/table/btree.rs:446:50
[INFO] [stdout]     |
[INFO] [stdout] 446 |         let mut temp_ptrs: [isize; ORDER] = mem::uninitialized();
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/table/btree.rs:530:54
[INFO] [stdout]     |
[INFO] [stdout] 530 |         let mut temp_ptrs: [isize; ORDER + 1] = mem::uninitialized();
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/table/btree.rs:531:46
[INFO] [stdout]     |
[INFO] [stdout] 531 |         let mut temp_keys: [K; ORDER] = mem::uninitialized();
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]    --> src/table/btree.rs:250:57
[INFO] [stdout]     |
[INFO] [stdout] 250 |             c = (self.meta.as_meta().start as *const _).offset(*Self::nth_ptr(c, i));
[INFO] [stdout]     |                                                         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout]     = note: `#[warn(tyvar_behind_raw_pointer)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]    --> src/table/btree.rs:319:64
[INFO] [stdout]     |
[INFO] [stdout] 319 |                 Some(&*(self.meta.as_meta().start as *const _).offset(*Self::nth_ptr(c, i)))
[INFO] [stdout]     |                                                                ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]    --> src/table/btree.rs:338:65
[INFO] [stdout]     |
[INFO] [stdout] 338 |                 Some(&mut*(self.meta.as_meta().start as *mut _).offset(*Self::nth_ptr(c, i)))
[INFO] [stdout]     |                                                                 ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]     --> src/table/btree.rs:1034:110
[INFO] [stdout]      |
[INFO] [stdout] 1034 |             self.find_block(key).and_then(|ref x| Some(&x.as_bucket().values[0] as *const _)).and_then(|x| x.as_ref())
[INFO] [stdout]      |                                                                                                              ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]      = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]     --> src/table/btree.rs:1057:98
[INFO] [stdout]      |
[INFO] [stdout] 1057 |             btree.meta.as_meta_mut().start = (&mut btree.meta.as_meta_mut() as *mut _ as *mut _).offset(0);
[INFO] [stdout]      |                                                                                                  ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]      = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]     --> src/table/btree.rs:1058:61
[INFO] [stdout]      |
[INFO] [stdout] 1058 |             btree.meta.as_meta_mut().end = (data as *mut _).offset(1) as *mut _;
[INFO] [stdout]      |                                                             ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]      = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]     --> src/table/btree.rs:1067:74
[INFO] [stdout]      |
[INFO] [stdout] 1067 |             btree.meta.as_meta_mut().start = (&mut btree.meta as *mut _).offset(0);
[INFO] [stdout]      |                                                                          ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]      = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]     --> src/table/btree.rs:1069:61
[INFO] [stdout]      |
[INFO] [stdout] 1069 |             btree.meta.as_meta_mut().end = (data as *mut _).offset(1) as *mut _;
[INFO] [stdout]      |                                                             ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]      = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/map.rs:172:17
[INFO] [stdout]     |
[INFO] [stdout] 172 |             let mut hash = h.elem_hash_mut(i);
[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/map.rs:203:17
[INFO] [stdout]     |
[INFO] [stdout] 203 |             let mut hash = h.elem_hash_mut(i);
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/map.rs:355:17
[INFO] [stdout]     |
[INFO] [stdout] 355 |             let mut hash = self.elem_hash_mut(i);
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]    --> src/table/btree.rs:239:21
[INFO] [stdout]     |
[INFO] [stdout] 239 |         let mut i = 0usize;
[INFO] [stdout]     |                     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]    --> src/table/btree.rs:259:21
[INFO] [stdout]     |
[INFO] [stdout] 259 |         let mut i = 0usize;
[INFO] [stdout]     |                     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/table/btree.rs:311:21
[INFO] [stdout]     |
[INFO] [stdout] 311 |         if let Some(mut c) = self.find_leaf(key) {
[INFO] [stdout]     |                     ----^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/table/btree.rs:330:21
[INFO] [stdout]     |
[INFO] [stdout] 330 |         if let Some(mut c) = self.find_leaf_mut(key) {
[INFO] [stdout]     |                     ----^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/table/btree.rs:562:13
[INFO] [stdout]     |
[INFO] [stdout] 562 |         let mut pivot = temp_keys[split];
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/table/btree.rs:712:13
[INFO] [stdout]     |
[INFO] [stdout] 712 |         for i in 0..Self::offset_to(self.meta.as_meta().start, self.meta.as_meta().end) {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/table/btree.rs:768:13
[INFO] [stdout]     |
[INFO] [stdout] 768 |         for i in 0..Self::offset_to(self.meta.as_meta().start, self.meta.as_meta().end) {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/table/btree.rs:775:13
[INFO] [stdout]     |
[INFO] [stdout] 775 |         for i in 0..Self::offset_to(self.meta.as_meta().start, self.meta.as_meta().end) {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/table/btree.rs:780:13
[INFO] [stdout]     |
[INFO] [stdout] 780 |         for i in 0..Self::offset_to(self.meta.as_meta().start, self.meta.as_meta().end) {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/table/btree.rs:797:13
[INFO] [stdout]     |
[INFO] [stdout] 797 |         for i in 0..Self::offset_to(self.meta.as_meta().start, self.meta.as_meta().end) {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/table/btree.rs:854:13
[INFO] [stdout]     |
[INFO] [stdout] 854 |         for i in 0..Self::offset_to(self.meta.as_meta().start, self.meta.as_meta().end) {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/table/btree.rs:881:13
[INFO] [stdout]     |
[INFO] [stdout] 881 |         for i in 0..Self::offset_to(self.meta.as_meta().start, self.meta.as_meta().end) {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/table/btree.rs:903:17
[INFO] [stdout]     |
[INFO] [stdout] 903 |             let mut next_smallest = if Self::num_keys(n) == 0 {
[INFO] [stdout]     |                 ----^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/table/btree.rs:886:13
[INFO] [stdout]     |
[INFO] [stdout] 886 |         for i in 0..Self::offset_to(self.meta.as_meta().start, self.meta.as_meta().end) {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/table/btree.rs:894:13
[INFO] [stdout]     |
[INFO] [stdout] 894 |         for i in 0..Self::offset_to(self.meta.as_meta().start, self.meta.as_meta().end) {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/table/btree.rs:950:13
[INFO] [stdout]     |
[INFO] [stdout] 950 |         for i in 0..Self::offset_to(self.meta.as_meta().start, self.meta.as_meta().end) {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]     --> src/table/btree.rs:1088:9
[INFO] [stdout]      |
[INFO] [stdout] 1088 |         unsafe {
[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: unused variable: `vec`
[INFO] [stdout]    --> src/table/mod.rs:409:37
[INFO] [stdout]     |
[INFO] [stdout] 409 |                         Entry::Data(ref vec) => mem::size_of_val(value),
[INFO] [stdout]     |                                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entry`
[INFO] [stdout]    --> src/table/mod.rs:410:38
[INFO] [stdout]     |
[INFO] [stdout] 410 |                         Entry::Entry(ref entry) => mem::size_of::<(usize, usize)>()
[INFO] [stdout]     |                                      ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/buffer.rs:87:17
[INFO] [stdout]    |
[INFO] [stdout] 87 |             let mut slice_from: &mut[u8] = unsafe { old_map.as_mut_slice() };
[INFO] [stdout]    |                 ----^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `average_probe_count` is never used
[INFO] [stdout]    --> src/map.rs:452:8
[INFO] [stdout]     |
[INFO] [stdout] 300 | / impl<K, V, B> HashMap<K, V, B>
[INFO] [stdout] 301 | |     where K: 'static + Eq + Hash + Sized,
[INFO] [stdout] 302 | |           V: 'static + Sized,
[INFO] [stdout] 303 | |           B: Buffer<Elem<K, V>>
[INFO] [stdout]     | |_______________________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 452 |       fn average_probe_count(&self) -> f64 {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `STRING_SIZE` is never used
[INFO] [stdout]   --> src/table/mod.rs:27:11
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub const STRING_SIZE: usize = 256;
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PAGE_USED` is never used
[INFO] [stdout]   --> src/table/mod.rs:29:11
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub const PAGE_USED: u8 = !0;
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PAGE_AVAIL` is never used
[INFO] [stdout]   --> src/table/mod.rs:30:11
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub const PAGE_AVAIL: u8 = 1;
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PAGE_FREE` is never used
[INFO] [stdout]   --> src/table/mod.rs:31:11
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub const PAGE_FREE: u8 = 0;
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ByteString` is never constructed
[INFO] [stdout]   --> src/table/mod.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct ByteString([u8; STRING_SIZE]);
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/table/mod.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 78 | enum PageType {
[INFO] [stdout]    |      -------- variants in this enum
[INFO] [stdout] 79 |     Unallocated = 00,       // Free page: uninitialised data
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 80 |     Metadata = 01,          // Metadata page: global variables
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 81 |     PageTrunk = 02,         // Page data array: ArrayList<usize>(cursor)
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 82 |     Directory = 03,         // Table directory: BPlusTree<ByteString, usize>(tblname, pageidx) -> ColumnDirectory
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 83 |     IndexRoot = 04,         // Leaf pages tree: BPlusTree<Vn, usize>(keyval, pageidx) -> IndexLeaf
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 84 |     IndexLeaf = 05,         // Index data tree: BPlusTree<Vn, (usize, usize)>(keyval, (pageidx,offset)) -> FreeListPage
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 85 |     RowData = 06,           // Row values: FreeList<(size(V1),..,size(VN),V1,..,VN)>
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PageType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `data` and `typeid` are never read
[INFO] [stdout]    --> src/table/mod.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub struct Page {
[INFO] [stdout]     |            ---- fields in this struct
[INFO] [stdout] 107 |     data: [u8; PAGE_SIZE],
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 108 |     typeid: PageType,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MetadataPage` is never constructed
[INFO] [stdout]    --> src/table/mod.rs:111:8
[INFO] [stdout]     |
[INFO] [stdout] 111 | struct MetadataPage {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BPlusTreePage` is never constructed
[INFO] [stdout]    --> src/table/mod.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout] 115 | struct BPlusTreePage {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ArrayListPage` is never constructed
[INFO] [stdout]    --> src/table/mod.rs:120:8
[INFO] [stdout]     |
[INFO] [stdout] 120 | struct ArrayListPage {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FreeListPage` is never constructed
[INFO] [stdout]    --> src/table/mod.rs:125:8
[INFO] [stdout]     |
[INFO] [stdout] 125 | struct FreeListPage {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Database` is never constructed
[INFO] [stdout]    --> src/table/mod.rs:131:12
[INFO] [stdout]     |
[INFO] [stdout] 131 | pub struct Database<B>
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TableType` is never used
[INFO] [stdout]    --> src/table/mod.rs:139:10
[INFO] [stdout]     |
[INFO] [stdout] 139 | pub enum TableType {
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `try_new` are never used
[INFO] [stdout]    --> src/table/mod.rs:145:12
[INFO] [stdout]     |
[INFO] [stdout] 144 | impl Database<AnonymousBuffer<Page>> {
[INFO] [stdout]     | ------------------------------------ associated functions in this implementation
[INFO] [stdout] 145 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 149 |     pub fn try_new() -> Result<Self> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `try_new` are never used
[INFO] [stdout]    --> src/table/mod.rs:158:12
[INFO] [stdout]     |
[INFO] [stdout] 157 | impl Database<FileBuffer<Page>> {
[INFO] [stdout]     | ------------------------------- associated functions in this implementation
[INFO] [stdout] 158 |     pub fn new<P>(path: P) -> Self
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 164 |     pub fn try_new<P>(path: P) -> Result<Self>
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/table/mod.rs:177:8
[INFO] [stdout]     |
[INFO] [stdout] 174 | / impl<B> Database<B>
[INFO] [stdout] 175 | |     where B: Buffer<Page>
[INFO] [stdout]     | |_________________________- methods in this implementation
[INFO] [stdout] 176 |   {
[INFO] [stdout] 177 |       fn metadata(&self) -> &'static MetadataPage {
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 183 |       fn metadata_mut(&mut self) -> &'static mut MetadataPage {
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 189 |       fn arraylist(&self, page_ix: usize, pagetype: PageType) -> &'static ArrayListPage {
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 195 |       fn arraylist_mut(&mut self, page_ix: usize, pagetype: PageType) -> &'static mut ArrayListPage {
[INFO] [stdout]     |          ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 201 |       fn freelist(&self, page_ix: usize, pagetype: PageType) -> &'static FreeListPage {
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 207 |       fn freelist_mut(&mut self, page_ix: usize, pagetype: PageType) -> &'static mut FreeListPage {
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 213 |       fn bplustree(&self, page_ix: usize, pagetype: PageType) -> &'static BPlusTreePage {
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 219 |       fn bplustree_mut(&mut self, page_ix: usize, pagetype: PageType) -> &'static mut BPlusTreePage {
[INFO] [stdout]     |          ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 225 |       fn init(&mut self) {
[INFO] [stdout]     |          ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 277 |       fn freelist_insert(&mut self, data: &Entry) -> (usize, usize) {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 293 |       fn freelist_insert_into_page(&mut self, page_ix: usize, data: &Entry) -> Option<usize> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 321 |       fn freelist_insert_row(&mut self, entry: &Vec<Entry>) -> (usize, usize) {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 337 |       fn freelist_insert_row_into_page(&mut self, page_ix: usize, entry: &Vec<Entry>) -> Option<usize> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 369 |       fn create_page(&mut self, pagetype: PageType) -> usize {
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Entry` is never used
[INFO] [stdout]    --> src/table/mod.rs:391:10
[INFO] [stdout]     |
[INFO] [stdout] 391 | pub enum Entry {
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `size`, `from`, and `bytes` are never used
[INFO] [stdout]    --> src/table/mod.rs:397:12
[INFO] [stdout]     |
[INFO] [stdout] 396 | impl Entry {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout] 397 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 401 |     fn size(&self) -> usize {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 418 |     pub fn from<T>(value: &T) -> Self
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 424 |     pub fn bytes<T>(value: &T) -> Vec<u8>
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `as_free_mut`, `as_node`, and `as_node_mut` are never used
[INFO] [stdout]   --> src/table/btree.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | / impl<K, V> Block<K, V>
[INFO] [stdout] 55 | |     where K: PartialOrd + Copy + Sized + fmt::Debug,
[INFO] [stdout] 56 | |           V: Copy + Sized + fmt::Debug,
[INFO] [stdout]    | |_______________________________________- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 67 |       fn as_free_mut(&mut self) -> &mut Free {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |       fn as_node(&self) -> &Node<K> {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 |       fn as_node_mut(&mut self) -> &mut Node<K> {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `pop_front`, `pop_back`, and `load_from` are never used
[INFO] [stdout]     --> src/table/btree.rs:954:12
[INFO] [stdout]      |
[INFO] [stdout]  144 | / impl<K, V> BTree<K, V>
[INFO] [stdout]  145 | |     where K: PartialOrd + Copy + Sized + fmt::Debug,
[INFO] [stdout]  146 | |           V: Copy + Sized + fmt::Debug,
[INFO] [stdout]      | |_______________________________________- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  954 |       pub fn pop_front(&mut self) -> Option<(K, V)> {
[INFO] [stdout]      |              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  972 |       pub fn pop_back(&mut self) -> Option<(K, V)> {
[INFO] [stdout]      |              ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1054 |       pub fn load_from<'a, T>(data: &mut T) -> &'a mut Self {
[INFO] [stdout]      |              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/map.rs:263:18
[INFO] [stdout]     |
[INFO] [stdout] 263 |     pub fn entry(&mut self, key: K) -> Entry<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] 263 |     pub fn entry(&mut self, key: K) -> Entry<'_, K, V> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[isize; 3]` does not permit being left uninitialized
[INFO] [stdout]    --> src/table/btree.rs:446:45
[INFO] [stdout]     |
[INFO] [stdout] 446 |         let mut temp_ptrs: [isize; ORDER] = mem::uninitialized();
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                             |
[INFO] [stdout]     |                                             this code causes undefined behavior when executed
[INFO] [stdout]     |                                             help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[isize; 4]` does not permit being left uninitialized
[INFO] [stdout]    --> src/table/btree.rs:530:49
[INFO] [stdout]     |
[INFO] [stdout] 530 |         let mut temp_ptrs: [isize; ORDER + 1] = mem::uninitialized();
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                 |
[INFO] [stdout]     |                                                 this code causes undefined behavior when executed
[INFO] [stdout]     |                                                 help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: literal out of range for `u8`
[INFO] [stdout]     --> src/table/btree.rs:1226:23
[INFO] [stdout]      |
[INFO] [stdout] 1226 |     let mut inp = (1..301).collect::<Vec<_>>();
[INFO] [stdout]      |                       ^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: the literal `301` does not fit into the type `u8` whose range is `0..=255`
[INFO] [stdout]      = note: `#[deny(overflowing_literals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: literal out of range for `u8`
[INFO] [stdout]     --> src/table/btree.rs:1227:23
[INFO] [stdout]      |
[INFO] [stdout] 1227 |     let mut out = (1..301).collect::<Vec<_>>();
[INFO] [stdout]      |                       ^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: the literal `301` does not fit into the type `u8` whose range is `0..=255`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ozone` (lib test) due to 2 previous errors; 75 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "1bc97fe23a554d008415c715f8e7d21fb9e739f2b4938804ac2241c96bad1e8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bc97fe23a554d008415c715f8e7d21fb9e739f2b4938804ac2241c96bad1e8d", kill_on_drop: false }`
[INFO] [stdout] 1bc97fe23a554d008415c715f8e7d21fb9e739f2b4938804ac2241c96bad1e8d
