[INFO] fetching crate meowstore_bindb 0.1.0...
[INFO] checking meowstore_bindb-0.1.0 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate meowstore_bindb 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate meowstore_bindb 0.1.0 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate meowstore_bindb 0.1.0
[INFO] finished tweaking crates.io crate meowstore_bindb 0.1.0
[INFO] tweaked toml for crates.io crate meowstore_bindb 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 21 packages to latest compatible versions
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded extend v1.2.0
[INFO] [stderr]   Downloaded meowstore_binbuf_macros v0.1.0
[INFO] [stderr]   Downloaded meowstore_binbuf v0.1.0
[INFO] [stderr]   Downloaded to_phantom v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 092b6979a59c918078d04084686c410b645fdc502a5729ec269917313e49f96c
[INFO] running `Command { std: "docker" "start" "-a" "092b6979a59c918078d04084686c410b645fdc502a5729ec269917313e49f96c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "092b6979a59c918078d04084686c410b645fdc502a5729ec269917313e49f96c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "092b6979a59c918078d04084686c410b645fdc502a5729ec269917313e49f96c", kill_on_drop: false }`
[INFO] [stdout] 092b6979a59c918078d04084686c410b645fdc502a5729ec269917313e49f96c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27b1db0bdd2e72722917673312c02104e0afd09d6ca64f68c196dbf6e7ef34f2
[INFO] running `Command { std: "docker" "start" "-a" "27b1db0bdd2e72722917673312c02104e0afd09d6ca64f68c196dbf6e7ef34f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking syn v2.0.77
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking memmap2 v0.9.4
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking to_phantom v0.1.0
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling meowstore_binbuf_macros v0.1.0
[INFO] [stderr]    Compiling extend v1.2.0
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking meowstore_binbuf v0.1.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking meowstore_bindb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generic_const_exprs)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `slice_to_array_mut` and `slice_to_array`
[INFO] [stdout]  --> src/storage/fixed.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::utils::{slice_to_array, slice_to_array_mut};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `path::Path`
[INFO] [stdout]  --> src/storage/fixed.rs:3:42
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{fs::File, marker::PhantomData, path::Path};
[INFO] [stdout]   |                                          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MmapAsRawDesc`
[INFO] [stdout]  --> src/storage/fixed.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use memmap2::{MmapAsRawDesc, MmapMut, MmapOptions};
[INFO] [stdout]   |               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/storage/fixed/header.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PathBuf` and `Path`
[INFO] [stdout]  --> src/storage/dynamic.rs:1:49
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs::File, marker::PhantomData, path::{Path, PathBuf}, pin::pin};
[INFO] [stdout]   |                                                 ^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Mmap`
[INFO] [stdout]  --> src/storage/dynamic.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use memmap2::{Mmap, MmapMut, MmapOptions};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/storage/dynamic/header.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `path::Path`
[INFO] [stdout]  --> src/storage/indexed_dynamic.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs::File, path::Path};
[INFO] [stdout]   |                     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `arb_num`
[INFO] [stdout]  --> src/storage/binary_tree.rs:2:50
[INFO] [stdout]   |
[INFO] [stdout] 2 | use binbuf::{bytes_ptr, fixed::Readable, impls::{arb_num, ArbNum}, BytesPtr, Entry, Fixed as _};
[INFO] [stdout]   |                                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generic_const_exprs)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `slice_to_array_mut` and `slice_to_array`
[INFO] [stdout]  --> src/storage/fixed.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::utils::{slice_to_array, slice_to_array_mut};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `path::Path`
[INFO] [stdout]  --> src/storage/fixed.rs:3:42
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{fs::File, marker::PhantomData, path::Path};
[INFO] [stdout]   |                                          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MmapAsRawDesc`
[INFO] [stdout]  --> src/storage/fixed.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use memmap2::{MmapAsRawDesc, MmapMut, MmapOptions};
[INFO] [stdout]   |               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/storage/fixed/header.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PathBuf` and `Path`
[INFO] [stdout]  --> src/storage/dynamic.rs:1:49
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs::File, marker::PhantomData, path::{Path, PathBuf}, pin::pin};
[INFO] [stdout]   |                                                 ^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Mmap`
[INFO] [stdout]  --> src/storage/dynamic.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use memmap2::{Mmap, MmapMut, MmapOptions};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/storage/dynamic/header.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `path::Path`
[INFO] [stdout]  --> src/storage/indexed_dynamic.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs::File, path::Path};
[INFO] [stdout]   |                     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `arb_num`
[INFO] [stdout]  --> src/storage/binary_tree.rs:2:50
[INFO] [stdout]   |
[INFO] [stdout] 2 | use binbuf::{bytes_ptr, fixed::Readable, impls::{arb_num, ArbNum}, BytesPtr, Entry, Fixed as _};
[INFO] [stdout]   |                                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BytesPtr`
[INFO] [stdout]  --> src/storage/single.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | use binbuf::{BytesPtr, bytes_ptr};
[INFO] [stdout]   |              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BytesPtr`
[INFO] [stdout]  --> src/storage/fixed.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | use binbuf::{BytesPtr, bytes_ptr, Fixed as _, Entry as _};
[INFO] [stdout]   |              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BytesPtr`
[INFO] [stdout]  --> src/storage/binary_tree.rs:2:68
[INFO] [stdout]   |
[INFO] [stdout] 2 | use binbuf::{bytes_ptr, fixed::Readable, impls::{arb_num, ArbNum}, BytesPtr, Entry, Fixed as _};
[INFO] [stdout]   |                                                                    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/storage/fixed.rs:244:13
[INFO] [stdout]     |
[INFO] [stdout] 244 |         let mut dst = self.buf_mut_unchecked(dst_id);
[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/storage/fixed.rs:257:17
[INFO] [stdout]     |
[INFO] [stdout] 257 |             let mut a = self.buf_mut_unchecked(a_id);
[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/storage/fixed.rs:258:17
[INFO] [stdout]     |
[INFO] [stdout] 258 |             let mut b = self.buf_mut_unchecked(b_id);
[INFO] [stdout]     |                 ----^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BytesPtr`
[INFO] [stdout]  --> src/storage/single.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | use binbuf::{BytesPtr, bytes_ptr};
[INFO] [stdout]   |              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BytesPtr`
[INFO] [stdout]  --> src/storage/fixed.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | use binbuf::{BytesPtr, bytes_ptr, Fixed as _, Entry as _};
[INFO] [stdout]   |              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BytesPtr`
[INFO] [stdout]  --> src/storage/binary_tree.rs:2:68
[INFO] [stdout]   |
[INFO] [stdout] 2 | use binbuf::{bytes_ptr, fixed::Readable, impls::{arb_num, ArbNum}, BytesPtr, Entry, Fixed as _};
[INFO] [stdout]   |                                                                    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/storage/binary_tree.rs:325:21
[INFO] [stdout]     |
[INFO] [stdout] 325 |                 let mut parent_buf = unsafe { self.node_buf_mut_by_id(parent.id) };
[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/storage/single.rs:44:21
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 let mut mmap = MmapMut::map_mut(&file).map_err(OpenError::Io)?;
[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/storage/fixed.rs:244:13
[INFO] [stdout]     |
[INFO] [stdout] 244 |         let mut dst = self.buf_mut_unchecked(dst_id);
[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/storage/fixed.rs:257:17
[INFO] [stdout]     |
[INFO] [stdout] 257 |             let mut a = self.buf_mut_unchecked(a_id);
[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/storage/fixed.rs:258:17
[INFO] [stdout]     |
[INFO] [stdout] 258 |             let mut b = self.buf_mut_unchecked(b_id);
[INFO] [stdout]     |                 ----^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `header_buf` is never used
[INFO] [stdout]    --> src/storage/fixed.rs:119:8
[INFO] [stdout]     |
[INFO] [stdout] 56  | impl<E: binbuf::Fixed> Value<E> {
[INFO] [stdout]     | ------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 119 |     fn header_buf(&self) -> binbuf::BufConst<Header> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `len` is never read
[INFO] [stdout]   --> src/storage/dynamic.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub struct Value<E> {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 69 |     len: u64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `header_buf` is never used
[INFO] [stdout]    --> src/storage/dynamic.rs:113:8
[INFO] [stdout]     |
[INFO] [stdout] 79  | impl<E: binbuf::Dynamic> Value<E> {
[INFO] [stdout]     | --------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 113 |     fn header_buf(&self) -> binbuf::BufConst<Header> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Value` is never constructed
[INFO] [stdout]  --> src/storage/binary_tree/search.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Value<'a, I: NodeId, K, V> {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Found` is never constructed
[INFO] [stdout]   --> src/storage/binary_tree/search.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Found<'a, I: NodeId, K, V> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NotFound` is never constructed
[INFO] [stdout]   --> src/storage/binary_tree/search.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct NotFound<'a, I: NodeId, K, V> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Sealed` is never used
[INFO] [stdout]  --> src/private.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub trait Sealed {}
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `slice_to_array` is never used
[INFO] [stdout]  --> src/utils.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const unsafe fn slice_to_array<T, const SIZE: usize>(value: &[T]) -> &[T; SIZE] {
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `slice_to_array_mut` is never used
[INFO] [stdout]  --> src/utils.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub unsafe fn slice_to_array_mut<T, const SIZE: usize>(value: &mut [T]) -> &mut [T; SIZE] {
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `index_array` is never used
[INFO] [stdout]   --> src/utils.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn index_array<T, const SIZE: usize, const INDEX_SIZE: usize>(value: &[T; SIZE], at: usize) -> &[T; INDEX_SIZE] {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `index_array_mut` is never used
[INFO] [stdout]   --> src/utils.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn index_array_mut<T, const SIZE: usize, const INDEX_SIZE: usize>(value: &mut [T; SIZE], at: usize) -> &mut [T; INDEX_SIZE] {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 29 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/storage/binary_tree.rs:325:21
[INFO] [stdout]     |
[INFO] [stdout] 325 |                 let mut parent_buf = unsafe { self.node_buf_mut_by_id(parent.id) };
[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/storage/single.rs:44:21
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 let mut mmap = MmapMut::map_mut(&file).map_err(OpenError::Io)?;
[INFO] [stdout]    |                     ----^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `header_buf` is never used
[INFO] [stdout]    --> src/storage/fixed.rs:119:8
[INFO] [stdout]     |
[INFO] [stdout] 56  | impl<E: binbuf::Fixed> Value<E> {
[INFO] [stdout]     | ------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 119 |     fn header_buf(&self) -> binbuf::BufConst<Header> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `len` is never read
[INFO] [stdout]   --> src/storage/dynamic.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub struct Value<E> {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 69 |     len: u64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `header_buf` is never used
[INFO] [stdout]    --> src/storage/dynamic.rs:113:8
[INFO] [stdout]     |
[INFO] [stdout] 79  | impl<E: binbuf::Dynamic> Value<E> {
[INFO] [stdout]     | --------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 113 |     fn header_buf(&self) -> binbuf::BufConst<Header> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Value` is never constructed
[INFO] [stdout]  --> src/storage/binary_tree/search.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Value<'a, I: NodeId, K, V> {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Found` is never constructed
[INFO] [stdout]   --> src/storage/binary_tree/search.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Found<'a, I: NodeId, K, V> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NotFound` is never constructed
[INFO] [stdout]   --> src/storage/binary_tree/search.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct NotFound<'a, I: NodeId, K, V> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Sealed` is never used
[INFO] [stdout]  --> src/private.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub trait Sealed {}
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `slice_to_array` is never used
[INFO] [stdout]  --> src/utils.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const unsafe fn slice_to_array<T, const SIZE: usize>(value: &[T]) -> &[T; SIZE] {
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `slice_to_array_mut` is never used
[INFO] [stdout]  --> src/utils.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub unsafe fn slice_to_array_mut<T, const SIZE: usize>(value: &mut [T]) -> &mut [T; SIZE] {
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `index_array` is never used
[INFO] [stdout]   --> src/utils.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn index_array<T, const SIZE: usize, const INDEX_SIZE: usize>(value: &[T; SIZE], at: usize) -> &[T; INDEX_SIZE] {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `index_array_mut` is never used
[INFO] [stdout]   --> src/utils.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn index_array_mut<T, const SIZE: usize, const INDEX_SIZE: usize>(value: &mut [T; SIZE], at: usize) -> &mut [T; INDEX_SIZE] {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 29 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.67s
[INFO] running `Command { std: "docker" "inspect" "27b1db0bdd2e72722917673312c02104e0afd09d6ca64f68c196dbf6e7ef34f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27b1db0bdd2e72722917673312c02104e0afd09d6ca64f68c196dbf6e7ef34f2", kill_on_drop: false }`
[INFO] [stdout] 27b1db0bdd2e72722917673312c02104e0afd09d6ca64f68c196dbf6e7ef34f2