[INFO] fetching crate ozone 0.1.0...
[INFO] testing ozone-0.1.0 against beta-2023-04-20 for beta-1.70-1
[INFO] extracting crate ozone 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate ozone 0.1.0 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fbab3bd89d0045c499f79b204fb7e275a698d72a81ea40db11c69cd647638beb
[INFO] running `Command { std: "docker" "start" "-a" "fbab3bd89d0045c499f79b204fb7e275a698d72a81ea40db11c69cd647638beb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbab3bd89d0045c499f79b204fb7e275a698d72a81ea40db11c69cd647638beb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbab3bd89d0045c499f79b204fb7e275a698d72a81ea40db11c69cd647638beb", kill_on_drop: false }`
[INFO] [stdout] fbab3bd89d0045c499f79b204fb7e275a698d72a81ea40db11c69cd647638beb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 942df244ac95928e8f43b101e072bd8835b5d1e86f16ef972c6fa8ce8591c9c2
[INFO] running `Command { std: "docker" "start" "-a" "942df244ac95928e8f43b101e072bd8835b5d1e86f16ef972c6fa8ce8591c9c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling memmap v0.5.2
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling ozone v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `AnonymousBuffer`, `Buffer`, `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)]` 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`, `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)]` 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)]` 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: value assigned to `i` is never read
[INFO] [stdout]    --> src/table/btree.rs:239:17
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]    --> src/table/btree.rs:259:17
[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: 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)]` 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: 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: unused variable: `vec`
[INFO] [stdout]    --> src/table/mod.rs:409:41
[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:410:42
[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/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)]` 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: 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: 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: 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: 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)]` on by default
[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]     | ------------------------------ 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)]` 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 `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: 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: 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: variants `Table` and `Index` are never constructed
[INFO] [stdout]    --> src/table/mod.rs:140:5
[INFO] [stdout]     |
[INFO] [stdout] 139 | pub enum TableType {
[INFO] [stdout]     |          --------- variants in this enum
[INFO] [stdout] 140 |     Table,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 141 |     Index,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TableType` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[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]     | ------------------- methods in this implementation
[INFO] [stdout] ...
[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: field `next` is never read
[INFO] [stdout]   --> src/table/btree.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Free {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 11 |     next: isize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Free` 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 `leaf`, `key_count`, `keys`, `ptrs`, and `parent` are never read
[INFO] [stdout]   --> src/table/btree.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Node<K>
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |     leaf: bool,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 19 |     key_count: u8,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 20 |     keys: [K; ORDER - 1],
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 21 |     ptrs: [isize; ORDER],
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 22 |     parent: Option<isize>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `values` is never read
[INFO] [stdout]   --> src/table/btree.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct Bucket<V>
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 29 |     values: [V; 1]
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Bucket` 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 `start`, `next`, `end`, and `root` are never read
[INFO] [stdout]   --> src/table/btree.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct Meta<K, V>
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 37 |     start: *mut Block<K, V>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 38 |     next: isize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 39 |     end: *mut Block<K, V>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 40 |     root: isize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Meta` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Free`, `Node`, `Bucket`, and `Meta` are never constructed
[INFO] [stdout]   --> src/table/btree.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | enum Block<K, V>
[INFO] [stdout]    |      ----- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 48 |     Free(Free),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 49 |     Node(Node<K>),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 50 |     Bucket(Bucket<V>),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 51 |     Meta(Meta<K, V>),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Block` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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]     | ---------------------- methods in this implementation
[INFO] [stdout] ...
[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: field `meta` is never read
[INFO] [stdout]    --> src/table/btree.rs:135:5
[INFO] [stdout]     |
[INFO] [stdout] 131 | pub struct BTree<K, V>
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 135 |     meta: Block<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]      | ---------------------- 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, V>) {
[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>, pivot: *co...
[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>, pivot_index...
[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: 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: 79 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `Command { std: "docker" "inspect" "942df244ac95928e8f43b101e072bd8835b5d1e86f16ef972c6fa8ce8591c9c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "942df244ac95928e8f43b101e072bd8835b5d1e86f16ef972c6fa8ce8591c9c2", kill_on_drop: false }`
[INFO] [stdout] 942df244ac95928e8f43b101e072bd8835b5d1e86f16ef972c6fa8ce8591c9c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da866f8d825d1e59de3d167e9e3509865a251363a558faf28d3991ae90e5d476
[INFO] running `Command { std: "docker" "start" "-a" "da866f8d825d1e59de3d167e9e3509865a251363a558faf28d3991ae90e5d476", kill_on_drop: false }`
[INFO] [stdout] warning: unused imports: `AnonymousBuffer`, `Buffer`, `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)]` 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`, `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)]` 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)]` 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: value assigned to `i` is never read
[INFO] [stdout]    --> src/table/btree.rs:239:17
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]    --> src/table/btree.rs:259:17
[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: 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)]` 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: 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: unused variable: `vec`
[INFO] [stdout]    --> src/table/mod.rs:409:41
[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:410:42
[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/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)]` 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: 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: 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: 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: 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)]` on by default
[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]     | ------------------------------ 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)]` 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 `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: 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: 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: variants `Table` and `Index` are never constructed
[INFO] [stdout]    --> src/table/mod.rs:140:5
[INFO] [stdout]     |
[INFO] [stdout] 139 | pub enum TableType {
[INFO] [stdout]     |          --------- variants in this enum
[INFO] [stdout] 140 |     Table,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 141 |     Index,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TableType` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[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] [stderr]    Compiling ozone v0.1.0 (/opt/rustwide/workdir)
[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]     | ------------------- methods in this implementation
[INFO] [stdout] ...
[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: field `next` is never read
[INFO] [stdout]   --> src/table/btree.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Free {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 11 |     next: isize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Free` 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 `leaf`, `key_count`, `keys`, `ptrs`, and `parent` are never read
[INFO] [stdout]   --> src/table/btree.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Node<K>
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |     leaf: bool,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 19 |     key_count: u8,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 20 |     keys: [K; ORDER - 1],
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 21 |     ptrs: [isize; ORDER],
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 22 |     parent: Option<isize>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `values` is never read
[INFO] [stdout]   --> src/table/btree.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct Bucket<V>
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 29 |     values: [V; 1]
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Bucket` 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 `start`, `next`, `end`, and `root` are never read
[INFO] [stdout]   --> src/table/btree.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct Meta<K, V>
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 37 |     start: *mut Block<K, V>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 38 |     next: isize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 39 |     end: *mut Block<K, V>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 40 |     root: isize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Meta` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Free`, `Node`, `Bucket`, and `Meta` are never constructed
[INFO] [stdout]   --> src/table/btree.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | enum Block<K, V>
[INFO] [stdout]    |      ----- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 48 |     Free(Free),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 49 |     Node(Node<K>),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 50 |     Bucket(Bucket<V>),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 51 |     Meta(Meta<K, V>),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Block` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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]     | ---------------------- methods in this implementation
[INFO] [stdout] ...
[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: field `meta` is never read
[INFO] [stdout]    --> src/table/btree.rs:135:5
[INFO] [stdout]     |
[INFO] [stdout] 131 | pub struct BTree<K, V>
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 135 |     meta: Block<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]      | ---------------------- 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, V>) {
[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>, pivot: *co...
[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>, pivot_index...
[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: 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: 79 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Buffer`, `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)]` 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)]` 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)]` 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)]` 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: value assigned to `i` is never read
[INFO] [stdout]    --> src/table/btree.rs:239:17
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]    --> src/table/btree.rs:259:17
[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: 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)]` 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: 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: unused variable: `vec`
[INFO] [stdout]    --> src/table/mod.rs:409:41
[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:410:42
[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/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)]` 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: 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: 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: 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: 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)]` on by default
[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]     | ------------------------------ 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)]` on by default
[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: 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: variants `Table` and `Index` are never constructed
[INFO] [stdout]    --> src/table/mod.rs:140:5
[INFO] [stdout]     |
[INFO] [stdout] 139 | pub enum TableType {
[INFO] [stdout]     |          --------- variants in this enum
[INFO] [stdout] 140 |     Table,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 141 |     Index,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TableType` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[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]     | ------------------- methods in this implementation
[INFO] [stdout] ...
[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]    | ---------------------- 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]      | ---------------------- 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: 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: 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: `#[warn(overflowing_literals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 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] [stdout] warning: 74 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `Command { std: "docker" "inspect" "da866f8d825d1e59de3d167e9e3509865a251363a558faf28d3991ae90e5d476", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da866f8d825d1e59de3d167e9e3509865a251363a558faf28d3991ae90e5d476", kill_on_drop: false }`
[INFO] [stdout] da866f8d825d1e59de3d167e9e3509865a251363a558faf28d3991ae90e5d476
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e6c47db452067ecd1ced9d687aa255020d5525d3bb9e6ba594d39fc4bfc842d4
[INFO] running `Command { std: "docker" "start" "-a" "e6c47db452067ecd1ced9d687aa255020d5525d3bb9e6ba594d39fc4bfc842d4", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `AnonymousBuffer`, `Buffer`, `FileBuffer`
[INFO] [stderr]  --> src/table/btree.rs:3:14
[INFO] [stderr]   |
[INFO] [stderr] 3 | use buffer::{Buffer, AnonymousBuffer, FileBuffer};
[INFO] [stderr]   |              ^^^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Page`
[INFO] [stderr]  --> src/table/btree.rs:4:13
[INFO] [stderr]   |
[INFO] [stderr] 4 | use table::{Page};
[INFO] [stderr]   |             ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Rng`, `StdRng`
[INFO] [stderr]  --> src/table/btree.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | use rand::{Rng, StdRng};
[INFO] [stderr]   |            ^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TypeId`
[INFO] [stderr]   --> src/table/mod.rs:21:21
[INFO] [stderr]    |
[INFO] [stderr] 21 | use std::any::{Any, TypeId};
[INFO] [stderr]    |                     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]   --> src/buffer.rs:12:25
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn new_sized(&self, usize) -> Result<Self>;
[INFO] [stderr]    |                         ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]   --> src/buffer.rs:13:26
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn resize(&mut self, usize) -> Result<()>;
[INFO] [stderr]    |                          ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/map.rs:95:40
[INFO] [stderr]    |
[INFO] [stderr] 95 |         let mut key: K = unsafe { mem::uninitialized() };
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/map.rs:96:42
[INFO] [stderr]    |
[INFO] [stderr] 96 |         let mut value: V = unsafe { mem::uninitialized() };
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/map.rs:122:42
[INFO] [stderr]     |
[INFO] [stderr] 122 |         let mut value: V = unsafe { mem::uninitialized() };
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/map.rs:138:40
[INFO] [stderr]     |
[INFO] [stderr] 138 |         let mut key: K = unsafe { mem::uninitialized() };
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/map.rs:268:39
[INFO] [stderr]     |
[INFO] [stderr] 268 |             let value = unsafe { mem::uninitialized() };
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/map.rs:377:42
[INFO] [stderr]     |
[INFO] [stderr] 377 |                 let k: K = unsafe { mem::uninitialized() };
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/map.rs:378:42
[INFO] [stderr]     |
[INFO] [stderr] 378 |                 let v: V = unsafe { mem::uninitialized() };
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/table/btree.rs:372:28
[INFO] [stderr]     |
[INFO] [stderr] 372 |                 keys: mem::uninitialized(),
[INFO] [stderr]     |                            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/table/btree.rs:391:28
[INFO] [stderr]     |
[INFO] [stderr] 391 |                 keys: mem::uninitialized(),
[INFO] [stderr]     |                            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/table/btree.rs:408:30
[INFO] [stderr]     |
[INFO] [stderr] 408 |                 values: mem::uninitialized(),
[INFO] [stderr]     |                              ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/table/btree.rs:445:46
[INFO] [stderr]     |
[INFO] [stderr] 445 |         let mut temp_keys: [K; ORDER] = mem::uninitialized();
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/table/btree.rs:446:50
[INFO] [stderr]     |
[INFO] [stderr] 446 |         let mut temp_ptrs: [isize; ORDER] = mem::uninitialized();
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/table/btree.rs:530:54
[INFO] [stderr]     |
[INFO] [stderr] 530 |         let mut temp_ptrs: [isize; ORDER + 1] = mem::uninitialized();
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/table/btree.rs:531:46
[INFO] [stderr]     |
[INFO] [stderr] 531 |         let mut temp_keys: [K; ORDER] = mem::uninitialized();
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type annotations needed
[INFO] [stderr]    --> src/table/btree.rs:250:57
[INFO] [stderr]     |
[INFO] [stderr] 250 |             c = (self.meta.as_meta().start as *const _).offset(*Self::nth_ptr(c, i));
[INFO] [stderr]     |                                                         ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]     = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stderr]     = note: `#[warn(tyvar_behind_raw_pointer)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type annotations needed
[INFO] [stderr]    --> src/table/btree.rs:319:64
[INFO] [stderr]     |
[INFO] [stderr] 319 |                 Some(&*(self.meta.as_meta().start as *const _).offset(*Self::nth_ptr(c, i)))
[INFO] [stderr]     |                                                                ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]     = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stderr] 
[INFO] [stderr] warning: type annotations needed
[INFO] [stderr]    --> src/table/btree.rs:338:65
[INFO] [stderr]     |
[INFO] [stderr] 338 |                 Some(&mut*(self.meta.as_meta().start as *mut _).offset(*Self::nth_ptr(c, i)))
[INFO] [stderr]     |                                                                 ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]     = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stderr] 
[INFO] [stderr] warning: type annotations needed
[INFO] [stderr]     --> src/table/btree.rs:1034:110
[INFO] [stderr]      |
[INFO] [stderr] 1034 |             self.find_block(key).and_then(|ref x| Some(&x.as_bucket().values[0] as *const _)).and_then(|x| x.as_ref())
[INFO] [stderr]      |                                                                                                              ^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]      = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stderr] 
[INFO] [stderr] warning: type annotations needed
[INFO] [stderr]     --> src/table/btree.rs:1057:98
[INFO] [stderr]      |
[INFO] [stderr] 1057 |             btree.meta.as_meta_mut().start = (&mut btree.meta.as_meta_mut() as *mut _ as *mut _).offset(0);
[INFO] [stderr]      |                                                                                                  ^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]      = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stderr] 
[INFO] [stderr] warning: type annotations needed
[INFO] [stderr]     --> src/table/btree.rs:1058:61
[INFO] [stderr]      |
[INFO] [stderr] 1058 |             btree.meta.as_meta_mut().end = (data as *mut _).offset(1) as *mut _;
[INFO] [stderr]      |                                                             ^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]      = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stderr] 
[INFO] [stderr] warning: type annotations needed
[INFO] [stderr]     --> src/table/btree.rs:1067:74
[INFO] [stderr]      |
[INFO] [stderr] 1067 |             btree.meta.as_meta_mut().start = (&mut btree.meta as *mut _).offset(0);
[INFO] [stderr]      |                                                                          ^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]      = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stderr] 
[INFO] [stderr] warning: type annotations needed
[INFO] [stderr]     --> src/table/btree.rs:1069:61
[INFO] [stderr]      |
[INFO] [stderr] 1069 |             btree.meta.as_meta_mut().end = (data as *mut _).offset(1) as *mut _;
[INFO] [stderr]      |                                                             ^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]      = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `i` is never read
[INFO] [stderr]    --> src/table/btree.rs:239:17
[INFO] [stderr]     |
[INFO] [stderr] 239 |         let mut i = 0usize;
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `i` is never read
[INFO] [stderr]    --> src/table/btree.rs:259:17
[INFO] [stderr]     |
[INFO] [stderr] 259 |         let mut i = 0usize;
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/table/btree.rs:712:13
[INFO] [stderr]     |
[INFO] [stderr] 712 |         for i in 0..Self::offset_to(self.meta.as_meta().start, self.meta.as_meta().end) {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/table/btree.rs:768:13
[INFO] [stderr]     |
[INFO] [stderr] 768 |         for i in 0..Self::offset_to(self.meta.as_meta().start, self.meta.as_meta().end) {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/table/btree.rs:775:13
[INFO] [stderr]     |
[INFO] [stderr] 775 |         for i in 0..Self::offset_to(self.meta.as_meta().start, self.meta.as_meta().end) {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/table/btree.rs:780:13
[INFO] [stderr]     |
[INFO] [stderr] 780 |         for i in 0..Self::offset_to(self.meta.as_meta().start, self.meta.as_meta().end) {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/table/btree.rs:797:13
[INFO] [stderr]     |
[INFO] [stderr] 797 |         for i in 0..Self::offset_to(self.meta.as_meta().start, self.meta.as_meta().end) {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/table/btree.rs:854:13
[INFO] [stderr]     |
[INFO] [stderr] 854 |         for i in 0..Self::offset_to(self.meta.as_meta().start, self.meta.as_meta().end) {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/table/btree.rs:881:13
[INFO] [stderr]     |
[INFO] [stderr] 881 |         for i in 0..Self::offset_to(self.meta.as_meta().start, self.meta.as_meta().end) {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/table/btree.rs:886:13
[INFO] [stderr]     |
[INFO] [stderr] 886 |         for i in 0..Self::offset_to(self.meta.as_meta().start, self.meta.as_meta().end) {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/table/btree.rs:894:13
[INFO] [stderr]     |
[INFO] [stderr] 894 |         for i in 0..Self::offset_to(self.meta.as_meta().start, self.meta.as_meta().end) {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/table/btree.rs:950:13
[INFO] [stderr]     |
[INFO] [stderr] 950 |         for i in 0..Self::offset_to(self.meta.as_meta().start, self.meta.as_meta().end) {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vec`
[INFO] [stderr]    --> src/table/mod.rs:409:41
[INFO] [stderr]     |
[INFO] [stderr] 409 |                         Entry::Data(ref vec) => mem::size_of_val(value),
[INFO] [stderr]     |                                         ^^^ help: if this is intentional, prefix it with an underscore: `_vec`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `entry`
[INFO] [stderr]    --> src/table/mod.rs:410:42
[INFO] [stderr]     |
[INFO] [stderr] 410 |                         Entry::Entry(ref entry) => mem::size_of::<(usize, usize)>()
[INFO] [stderr]     |                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/map.rs:172:17
[INFO] [stderr]     |
[INFO] [stderr] 172 |             let mut hash = h.elem_hash_mut(i);
[INFO] [stderr]     |                 ----^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/map.rs:203:17
[INFO] [stderr]     |
[INFO] [stderr] 203 |             let mut hash = h.elem_hash_mut(i);
[INFO] [stderr]     |                 ----^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/map.rs:355:17
[INFO] [stderr]     |
[INFO] [stderr] 355 |             let mut hash = self.elem_hash_mut(i);
[INFO] [stderr]     |                 ----^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/table/btree.rs:311:21
[INFO] [stderr]     |
[INFO] [stderr] 311 |         if let Some(mut c) = self.find_leaf(key) {
[INFO] [stderr]     |                     ----^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/table/btree.rs:330:21
[INFO] [stderr]     |
[INFO] [stderr] 330 |         if let Some(mut c) = self.find_leaf_mut(key) {
[INFO] [stderr]     |                     ----^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/table/btree.rs:562:13
[INFO] [stderr]     |
[INFO] [stderr] 562 |         let mut pivot = temp_keys[split];
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/table/btree.rs:903:17
[INFO] [stderr]     |
[INFO] [stderr] 903 |             let mut next_smallest = if Self::num_keys(n) == 0 {
[INFO] [stderr]     |                 ----^^^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/buffer.rs:87:17
[INFO] [stderr]    |
[INFO] [stderr] 87 |             let mut slice_from: &mut[u8] = unsafe { old_map.as_mut_slice() };
[INFO] [stderr]    |                 ----^^^^^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]     --> src/table/btree.rs:1088:9
[INFO] [stderr]      |
[INFO] [stderr] 1088 |         unsafe {
[INFO] [stderr]      |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `average_probe_count` is never used
[INFO] [stderr]    --> src/map.rs:452:8
[INFO] [stderr]     |
[INFO] [stderr] 300 | impl<K, V, B> HashMap<K, V, B>
[INFO] [stderr]     | ------------------------------ method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 452 |     fn average_probe_count(&self) -> f64 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `PAGE_SIZE` is never used
[INFO] [stderr]   --> src/table/mod.rs:26:11
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub const PAGE_SIZE: usize = 4095;
[INFO] [stderr]    |           ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `PAGE_USED` is never used
[INFO] [stderr]   --> src/table/mod.rs:29:11
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub const PAGE_USED: u8 = !0;
[INFO] [stderr]    |           ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `PAGE_AVAIL` is never used
[INFO] [stderr]   --> src/table/mod.rs:30:11
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub const PAGE_AVAIL: u8 = 1;
[INFO] [stderr]    |           ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `PAGE_FREE` is never used
[INFO] [stderr]   --> src/table/mod.rs:31:11
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub const PAGE_FREE: u8 = 0;
[INFO] [stderr]    |           ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple variants are never constructed
[INFO] [stderr]   --> src/table/mod.rs:79:5
[INFO] [stderr]    |
[INFO] [stderr] 78 | enum PageType {
[INFO] [stderr]    |      -------- variants in this enum
[INFO] [stderr] 79 |     Unallocated = 00,       // Free page: uninitialised data
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 80 |     Metadata = 01,          // Metadata page: global variables
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 81 |     PageTrunk = 02,         // Page data array: ArrayList<usize>(cursor)
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 82 |     Directory = 03,         // Table directory: BPlusTree<ByteString, usize>(tblname, pageidx) -> ColumnDirectory
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 83 |     IndexRoot = 04,         // Leaf pages tree: BPlusTree<Vn, usize>(keyval, pageidx) -> IndexLeaf
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 84 |     IndexLeaf = 05,         // Index data tree: BPlusTree<Vn, (usize, usize)>(keyval, (pageidx,offset)) -> FreeListPage
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 85 |     RowData = 06,           // Row values: FreeList<(size(V1),..,size(VN),V1,..,VN)>
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `PageType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Page` is never constructed
[INFO] [stderr]    --> src/table/mod.rs:106:12
[INFO] [stderr]     |
[INFO] [stderr] 106 | pub struct Page {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `MetadataPage` is never constructed
[INFO] [stderr]    --> src/table/mod.rs:111:8
[INFO] [stderr]     |
[INFO] [stderr] 111 | struct MetadataPage {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `BPlusTreePage` is never constructed
[INFO] [stderr]    --> src/table/mod.rs:115:8
[INFO] [stderr]     |
[INFO] [stderr] 115 | struct BPlusTreePage {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ArrayListPage` is never constructed
[INFO] [stderr]    --> src/table/mod.rs:120:8
[INFO] [stderr]     |
[INFO] [stderr] 120 | struct ArrayListPage {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `FreeListPage` is never constructed
[INFO] [stderr]    --> src/table/mod.rs:125:8
[INFO] [stderr]     |
[INFO] [stderr] 125 | struct FreeListPage {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Database` is never constructed
[INFO] [stderr]    --> src/table/mod.rs:131:12
[INFO] [stderr]     |
[INFO] [stderr] 131 | pub struct Database<B>
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Table` and `Index` are never constructed
[INFO] [stderr]    --> src/table/mod.rs:140:5
[INFO] [stderr]     |
[INFO] [stderr] 139 | pub enum TableType {
[INFO] [stderr]     |          --------- variants in this enum
[INFO] [stderr] 140 |     Table,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr] 141 |     Index,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `TableType` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `new` and `try_new` are never used
[INFO] [stderr]    --> src/table/mod.rs:145:12
[INFO] [stderr]     |
[INFO] [stderr] 144 | impl Database<AnonymousBuffer<Page>> {
[INFO] [stderr]     | ------------------------------------ associated functions in this implementation
[INFO] [stderr] 145 |     pub fn new() -> Self {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 149 |     pub fn try_new() -> Result<Self> {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `new` and `try_new` are never used
[INFO] [stderr]    --> src/table/mod.rs:158:12
[INFO] [stderr]     |
[INFO] [stderr] 157 | impl Database<FileBuffer<Page>> {
[INFO] [stderr]     | ------------------------------- associated functions in this implementation
[INFO] [stderr] 158 |     pub fn new<P>(path: P) -> Self
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 164 |     pub fn try_new<P>(path: P) -> Result<Self>
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple methods are never used
[INFO] [stderr]    --> src/table/mod.rs:177:8
[INFO] [stderr]     |
[INFO] [stderr] 174 | impl<B> Database<B>
[INFO] [stderr]     | ------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 177 |     fn metadata(&self) -> &'static MetadataPage {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 183 |     fn metadata_mut(&mut self) -> &'static mut MetadataPage {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 189 |     fn arraylist(&self, page_ix: usize, pagetype: PageType) -> &'static ArrayListPage {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 195 |     fn arraylist_mut(&mut self, page_ix: usize, pagetype: PageType) -> &'static mut ArrayListPage {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 201 |     fn freelist(&self, page_ix: usize, pagetype: PageType) -> &'static FreeListPage {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 207 |     fn freelist_mut(&mut self, page_ix: usize, pagetype: PageType) -> &'static mut FreeListPage {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 213 |     fn bplustree(&self, page_ix: usize, pagetype: PageType) -> &'static BPlusTreePage {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 219 |     fn bplustree_mut(&mut self, page_ix: usize, pagetype: PageType) -> &'static mut BPlusTreePage {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 225 |     fn init(&mut self) {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 277 |     fn freelist_insert(&mut self, data: &Entry) -> (usize, usize) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 293 |     fn freelist_insert_into_page(&mut self, page_ix: usize, data: &Entry) -> Option<usize> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 321 |     fn freelist_insert_row(&mut self, entry: &Vec<Entry>) -> (usize, usize) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 337 |     fn freelist_insert_row_into_page(&mut self, page_ix: usize, entry: &Vec<Entry>) -> Option<usize> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 369 |     fn create_page(&mut self, pagetype: PageType) -> usize {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Entry` is never used
[INFO] [stderr]    --> src/table/mod.rs:391:10
[INFO] [stderr]     |
[INFO] [stderr] 391 | pub enum Entry {
[INFO] [stderr]     |          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `size`, `from`, and `bytes` are never used
[INFO] [stderr]    --> src/table/mod.rs:397:12
[INFO] [stderr]     |
[INFO] [stderr] 396 | impl Entry {
[INFO] [stderr]     | ---------- associated items in this implementation
[INFO] [stderr] 397 |     pub fn new() -> Self {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 401 |     fn size(&self) -> usize {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 418 |     pub fn from<T>(value: &T) -> Self
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 424 |     pub fn bytes<T>(value: &T) -> Vec<u8>
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `next` is never read
[INFO] [stderr]   --> src/table/btree.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct Free {
[INFO] [stderr]    |            ---- field in this struct
[INFO] [stderr] 11 |     next: isize,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Free` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `leaf`, `key_count`, `keys`, `ptrs`, and `parent` are never read
[INFO] [stderr]   --> src/table/btree.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub struct Node<K>
[INFO] [stderr]    |            ---- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 18 |     leaf: bool,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 19 |     key_count: u8,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 20 |     keys: [K; ORDER - 1],
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 21 |     ptrs: [isize; ORDER],
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 22 |     parent: Option<isize>,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `values` is never read
[INFO] [stderr]   --> src/table/btree.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub struct Bucket<V>
[INFO] [stderr]    |            ------ field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 29 |     values: [V; 1]
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Bucket` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `start`, `next`, `end`, and `root` are never read
[INFO] [stderr]   --> src/table/btree.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 33 | struct Meta<K, V>
[INFO] [stderr]    |        ---- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 37 |     start: *mut Block<K, V>,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 38 |     next: isize,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 39 |     end: *mut Block<K, V>,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 40 |     root: isize,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Meta` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Free`, `Node`, `Bucket`, and `Meta` are never constructed
[INFO] [stderr]   --> src/table/btree.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 44 | enum Block<K, V>
[INFO] [stderr]    |      ----- variants in this enum
[INFO] [stderr] ...
[INFO] [stderr] 48 |     Free(Free),
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 49 |     Node(Node<K>),
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 50 |     Bucket(Bucket<V>),
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 51 |     Meta(Meta<K, V>),
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Block` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: multiple methods are never used
[INFO] [stderr]    --> src/table/btree.rs:58:8
[INFO] [stderr]     |
[INFO] [stderr] 54  | impl<K, V> Block<K, V>
[INFO] [stderr]     | ---------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 58  |     fn as_free(&self) -> &Free {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 67  |     fn as_free_mut(&mut self) -> &mut Free {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 76  |     fn as_node(&self) -> &Node<K> {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 85  |     fn as_node_mut(&mut self) -> &mut Node<K> {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 94  |     fn as_bucket(&self) -> &Bucket<V> {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 103 |     fn as_bucket_mut(&mut self) -> &mut Bucket<V> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 112 |     fn as_meta(&self) -> &Meta<K, V> {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 121 |     fn as_meta_mut(&mut self) -> &mut Meta<K, V> {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `meta` is never read
[INFO] [stderr]    --> src/table/btree.rs:135:5
[INFO] [stderr]     |
[INFO] [stderr] 131 | pub struct BTree<K, V>
[INFO] [stderr]     |            ----- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 135 |     meta: Block<K, V>,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple associated items are never used
[INFO] [stderr]     --> src/table/btree.rs:149:15
[INFO] [stderr]      |
[INFO] [stderr] 144  | impl<K, V> BTree<K, V>
[INFO] [stderr]      | ---------------------- associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 149  |     unsafe fn is_leaf(node: *const Block<K, V>) -> bool {
[INFO] [stderr]      |               ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 159  |     unsafe fn parent(node: *const Block<K, V>) -> Option<isize> {
[INFO] [stderr]      |               ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 169  |     unsafe fn parent_mut(node: *mut Block<K, V>) -> *mut Option<isize> {
[INFO] [stderr]      |               ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 179  |     unsafe fn num_keys(node: *const Block<K, V>) -> u8 {
[INFO] [stderr]      |               ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 189  |     unsafe fn num_keys_mut(node: *mut Block<K, V>) -> *mut u8 {
[INFO] [stderr]      |               ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 199  |     unsafe fn nth_key(node: *const Block<K, V>, n: usize) -> *const K {
[INFO] [stderr]      |               ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 209  |     unsafe fn nth_key_mut(node: *mut Block<K, V>, n: usize) -> *mut K {
[INFO] [stderr]      |               ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 219  |     unsafe fn nth_ptr(node: *const Block<K, V>, n: usize) -> *const isize {
[INFO] [stderr]      |               ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 229  |     unsafe fn nth_ptr_mut(node: *mut Block<K, V>, n: usize) -> *mut isize {
[INFO] [stderr]      |               ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 238  |     unsafe fn find_leaf(&self, key: &K) -> Option<*const Block<K, V>> {
[INFO] [stderr]      |               ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 258  |     unsafe fn find_leaf_mut(&mut self, key: &K) -> Option<*mut Block<K, V>> {
[INFO] [stderr]      |               ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 278  |     unsafe fn range_find_blocks<'a>(&self, key_start: &K, key_end: &K) -> Vec<(&K, &'a Block<K, V>)> {
[INFO] [stderr]      |               ^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 309  |     unsafe fn find_block<'a>(&self, key: &K) -> Option<&'a Block<K, V>> {
[INFO] [stderr]      |               ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 328  |     unsafe fn find_block_mut<'a>(&mut self, key: &K) -> Option<&'a mut Block<K, V>> {
[INFO] [stderr]      |               ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 348  |     fn cut(length: usize) -> usize {
[INFO] [stderr]      |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 357  |     fn offset_to(from: *const Block<K, V>, to: *const Block<K, V>) -> isize {
[INFO] [stderr]      |        ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 361  |     unsafe fn make_node(&mut self) -> isize {
[INFO] [stderr]      |               ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 380  |     unsafe fn make_leaf(&mut self) -> isize {
[INFO] [stderr]      |               ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 399  |     unsafe fn make_bucket(&mut self) -> isize {
[INFO] [stderr]      |               ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 414  |     unsafe fn get_left_index(&self, parent: *const Block<K, V>, left: *const Block<K, V>) -> usize {
[INFO] [stderr]      |               ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 422  |     unsafe fn insert_into_leaf(&mut self, leaf: *mut Block<K, V>, key: K, value: *mut Block<K, V>) {
[INFO] [stderr]      |               ^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 444  |     unsafe fn split_and_insert_into_leaf(&mut self, leaf: *mut Block<K, V>, key: K, value: *mut Block<K, V>) {
[INFO] [stderr]      |               ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 512  |     unsafe fn insert_into_node(&mut self, n: *mut Block<K, V>, left_index: usize, key: K, right: *mut Block<K, V>) {
[INFO] [stderr]      |               ^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 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, V>) {
[INFO] [stderr]      |               ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 590  |     unsafe fn insert_into_parent(&mut self, left: *mut Block<K, V>, key: K, right: *mut Block<K, V>) {
[INFO] [stderr]      |               ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 606  |     unsafe fn insert_into_new_root(&mut self, left: *mut Block<K, V>, key: K, right: *mut Block<K, V>) {
[INFO] [stderr]      |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 627  |     unsafe fn start_new_tree(&mut self, key: K, value: *mut Block<K, V>) {
[INFO] [stderr]      |               ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 639  |     unsafe fn get_neighbour_index(&self, n: *mut Block<K, V>) -> Option<usize> {
[INFO] [stderr]      |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 650  |     unsafe fn remove_entry_from_node(&mut self, n: *mut Block<K, V>, key: &K, value: *mut Block<K, V>) -> usize {
[INFO] [stderr]      |               ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 695  |     unsafe fn adjust_root(&mut self) {
[INFO] [stderr]      |               ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 711  |     unsafe fn merge_nodes(&mut self, mut n: *mut Block<K, V>, mut neighbour: *mut Block<K, V>, neighbour_index: Option<usize>, pivot: *co...
[INFO] [stderr]      |               ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 779  |     unsafe fn redistribute_nodes(&mut self, n: *mut Block<K, V>, neighbour: *mut Block<K, V>, neighbour_index: Option<usize>, pivot_index...
[INFO] [stderr]      |               ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 885  |     unsafe fn delete_entry(&mut self, n: *mut Block<K, V>, key: &K, value: *mut Block<K, V>) {
[INFO] [stderr]      |               ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 954  |     pub fn pop_front(&mut self) -> Option<(K, V)> {
[INFO] [stderr]      |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 972  |     pub fn pop_back(&mut self) -> Option<(K, V)> {
[INFO] [stderr]      |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 990  |     pub fn delete(&mut self, key: &K) -> bool {
[INFO] [stderr]      |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 1005 |     pub fn insert(&mut self, key: K, value: V) -> bool {
[INFO] [stderr]      |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 1032 |     pub fn find(&self, key: &K) -> Option<&V> {
[INFO] [stderr]      |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 1038 |     pub fn range_find(&self, key_start: &K, key_end: &K) -> Vec<(&K, &V)> {
[INFO] [stderr]      |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 1044 |     pub fn is_empty(&self) -> bool {
[INFO] [stderr]      |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 1048 |     pub fn is_full(&self) -> bool {
[INFO] [stderr]      |            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 1054 |     pub fn load_from<'a, T>(data: &mut T) -> &'a mut Self {
[INFO] [stderr]      |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 1063 |     pub fn create_from<T>(data: &mut T) -> &mut Self {
[INFO] [stderr]      |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the type `[isize; 3]` does not permit being left uninitialized
[INFO] [stderr]    --> src/table/btree.rs:446:45
[INFO] [stderr]     |
[INFO] [stderr] 446 |         let mut temp_ptrs: [isize; ORDER] = mem::uninitialized();
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                                             |
[INFO] [stderr]     |                                             this code causes undefined behavior when executed
[INFO] [stderr]     |                                             help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]     |
[INFO] [stderr]     = note: integers must be initialized
[INFO] [stderr]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the type `[isize; 4]` does not permit being left uninitialized
[INFO] [stderr]    --> src/table/btree.rs:530:49
[INFO] [stderr]     |
[INFO] [stderr] 530 |         let mut temp_ptrs: [isize; ORDER + 1] = mem::uninitialized();
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                                                 |
[INFO] [stderr]     |                                                 this code causes undefined behavior when executed
[INFO] [stderr]     |                                                 help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]     |
[INFO] [stderr]     = note: integers must be initialized
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Buffer`, `FileBuffer`
[INFO] [stderr]  --> src/table/btree.rs:3:14
[INFO] [stderr]   |
[INFO] [stderr] 3 | use buffer::{Buffer, AnonymousBuffer, FileBuffer};
[INFO] [stderr]   |              ^^^^^^                   ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]     --> src/table/btree.rs:1259:16
[INFO] [stderr]      |
[INFO] [stderr] 1259 |     inp.extend((1..151));
[INFO] [stderr]      |                ^      ^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 1259 -     inp.extend((1..151));
[INFO] [stderr] 1259 +     inp.extend(1..151);
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]     --> src/table/btree.rs:1260:16
[INFO] [stderr]      |
[INFO] [stderr] 1260 |     out.extend((1..151));
[INFO] [stderr]      |                ^      ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 1260 -     out.extend((1..151));
[INFO] [stderr] 1260 +     out.extend(1..151);
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: fields `data` and `typeid` are never read
[INFO] [stderr]    --> src/table/mod.rs:107:5
[INFO] [stderr]     |
[INFO] [stderr] 106 | pub struct Page {
[INFO] [stderr]     |            ---- fields in this struct
[INFO] [stderr] 107 |     data: [u8; PAGE_SIZE],
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 108 |     typeid: PageType,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `as_free_mut`, `as_node`, and `as_node_mut` are never used
[INFO] [stderr]   --> src/table/btree.rs:67:8
[INFO] [stderr]    |
[INFO] [stderr] 54 | impl<K, V> Block<K, V>
[INFO] [stderr]    | ---------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 67 |     fn as_free_mut(&mut self) -> &mut Free {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 76 |     fn as_node(&self) -> &Node<K> {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 85 |     fn as_node_mut(&mut self) -> &mut Node<K> {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `pop_front`, `pop_back`, and `load_from` are never used
[INFO] [stderr]     --> src/table/btree.rs:954:12
[INFO] [stderr]      |
[INFO] [stderr] 144  | impl<K, V> BTree<K, V>
[INFO] [stderr]      | ---------------------- associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 954  |     pub fn pop_front(&mut self) -> Option<(K, V)> {
[INFO] [stderr]      |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 972  |     pub fn pop_back(&mut self) -> Option<(K, V)> {
[INFO] [stderr]      |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 1054 |     pub fn load_from<'a, T>(data: &mut T) -> &'a mut Self {
[INFO] [stderr]      |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: literal out of range for `u8`
[INFO] [stderr]     --> src/table/btree.rs:1226:23
[INFO] [stderr]      |
[INFO] [stderr] 1226 |     let mut inp = (1..301).collect::<Vec<_>>();
[INFO] [stderr]      |                       ^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: the literal `301` does not fit into the type `u8` whose range is `0..=255`
[INFO] [stderr]      = note: `#[warn(overflowing_literals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: literal out of range for `u8`
[INFO] [stderr]     --> src/table/btree.rs:1227:23
[INFO] [stderr]      |
[INFO] [stderr] 1227 |     let mut out = (1..301).collect::<Vec<_>>();
[INFO] [stderr]      |                       ^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: the literal `301` does not fit into the type `u8` whose range is `0..=255`
[INFO] [stderr] 
[INFO] [stderr] warning: `ozone` (lib) generated 79 warnings (run `cargo fix --lib -p ozone` to apply 26 suggestions)
[INFO] [stderr] warning: `ozone` (lib test) generated 74 warnings (66 duplicates) (run `cargo fix --lib -p ozone --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ozone-31e29851d0127992)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test map::insert_and_get_hashmap ... ok
[INFO] [stdout] test map::insert_and_iter_hashmap ... ok
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/ozone-31e29851d0127992` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "e6c47db452067ecd1ced9d687aa255020d5525d3bb9e6ba594d39fc4bfc842d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6c47db452067ecd1ced9d687aa255020d5525d3bb9e6ba594d39fc4bfc842d4", kill_on_drop: false }`
[INFO] [stdout] e6c47db452067ecd1ced9d687aa255020d5525d3bb9e6ba594d39fc4bfc842d4
