[INFO] fetching crate nikidb 0.1.1...
[INFO] testing nikidb-0.1.1 against 1.75.0 for beta-1.76-1
[INFO] extracting crate nikidb 0.1.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate nikidb 0.1.1 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nikidb 0.1.1
[INFO] finished tweaking crates.io crate nikidb 0.1.1
[INFO] tweaked toml for crates.io crate nikidb 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f436e1a246970ca065810e620348d4d83295327e45732274eb046d358ec00655
[INFO] running `Command { std: "docker" "start" "-a" "f436e1a246970ca065810e620348d4d83295327e45732274eb046d358ec00655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f436e1a246970ca065810e620348d4d83295327e45732274eb046d358ec00655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f436e1a246970ca065810e620348d4d83295327e45732274eb046d358ec00655", kill_on_drop: false }`
[INFO] [stdout] f436e1a246970ca065810e620348d4d83295327e45732274eb046d358ec00655
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d43d59b4013fdedd150a41f39b4cfa66d315dc9350cd61887fc1e745e27d226
[INFO] running `Command { std: "docker" "start" "-a" "6d43d59b4013fdedd150a41f39b4cfa66d315dc9350cd61887fc1e745e27d226", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling integer-encoding v3.0.4
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling page_size v0.4.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling nikidb v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]  --> src/cursor.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::str;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/cursor.rs:230:30
[INFO] [stdout]     |
[INFO] [stdout] 230 |                     Ok(v) => (v),
[INFO] [stdout]     |                              ^ ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 230 -                     Ok(v) => (v),
[INFO] [stdout] 230 +                     Ok(v) => v,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/cursor.rs:231:31
[INFO] [stdout]     |
[INFO] [stdout] 231 |                     Err(e) => (e),
[INFO] [stdout]     |                               ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 231 -                     Err(e) => (e),
[INFO] [stdout] 231 +                     Err(e) => e,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/cursor.rs:238:30
[INFO] [stdout]     |
[INFO] [stdout] 238 |                     Ok(v) => (v),
[INFO] [stdout]     |                              ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 238 -                     Ok(v) => (v),
[INFO] [stdout] 238 +                     Ok(v) => v,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/cursor.rs:239:31
[INFO] [stdout]     |
[INFO] [stdout] 239 |                     Err(e) => (e),
[INFO] [stdout]     |                               ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 239 -                     Err(e) => (e),
[INFO] [stdout] 239 +                     Err(e) => e,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/error.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NKError`
[INFO] [stdout]  --> src/tx.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::error::{NKError, NKResult};
[INFO] [stdout]   |                    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Page`
[INFO] [stdout]  --> src/tx.rs:4:36
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::page::{Meta, OwnerPage, Page, Pgid};
[INFO] [stdout]   |                                    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RwLock`
[INFO] [stdout]   --> src/tx.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::sync::{Arc, RwLock, Weak};
[INFO] [stdout]    |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bucket.rs:357:17
[INFO] [stdout]     |
[INFO] [stdout] 357 |             let mut root = n.clone();
[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: unused variable: `index`
[INFO] [stdout]    --> src/cursor.rs:122:21
[INFO] [stdout]     |
[INFO] [stdout] 122 |             let mut index: usize = 0;
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/cursor.rs:122:17
[INFO] [stdout]     |
[INFO] [stdout] 122 |             let mut index: usize = 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/cursor.rs:283:13
[INFO] [stdout]     |
[INFO] [stdout] 283 |         let mut elem = self.stack.first().unwrap();
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]    --> src/freelist.rs:160:17
[INFO] [stdout]     |
[INFO] [stdout] 160 |         let mut m: Vec<Pgid> = Vec::with_capacity(self.pending_count());
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/freelist.rs:160:13
[INFO] [stdout]     |
[INFO] [stdout] 160 |         let mut m: Vec<Pgid> = Vec::with_capacity(self.pending_count());
[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/node.rs:608:21
[INFO] [stdout]     |
[INFO] [stdout] 608 |         if let Some(mut p) = parent_node {
[INFO] [stdout]     |                     ----^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sequence` is never read
[INFO] [stdout]    --> src/bucket.rs:370:16
[INFO] [stdout]     |
[INFO] [stdout] 368 | pub(crate) struct IBucket {
[INFO] [stdout]     |                   ------- field in this struct
[INFO] [stdout] 369 |     pub(crate) root: Pgid,
[INFO] [stdout] 370 |     pub(crate) sequence: u64,
[INFO] [stdout]     |                ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `IBucket` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `value` is never used
[INFO] [stdout]   --> src/cursor.rs:37:19
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl<'a> Item<'a> {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub(crate) fn value(&self) -> Option<&'a [u8]> {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `last`, `prev`, and `delete` are never used
[INFO] [stdout]    --> src/cursor.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 80  | impl<'a> Cursor<'a> {
[INFO] [stdout]     | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 118 |     fn last(&mut self) {}
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 145 |     fn prev(&mut self) {}
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 146 |
[INFO] [stdout] 147 |     fn delete(&mut self) {}
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print` is never used
[INFO] [stdout]   --> src/db.rs:97:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl DB {
[INFO] [stdout]    | ------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 97 |     fn print(&self) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `no_grow_sync`, `read_only`, and `mmap_flags` are never read
[INFO] [stdout]    --> src/db.rs:219:5
[INFO] [stdout]     |
[INFO] [stdout] 218 | pub struct Options {
[INFO] [stdout]     |            ------- fields in this struct
[INFO] [stdout] 219 |     no_grow_sync: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 220 |
[INFO] [stdout] 221 |     read_only: bool,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 222 |
[INFO] [stdout] 223 |     mmap_flags: u32,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Options` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print` is never used
[INFO] [stdout]    --> src/db.rs:271:8
[INFO] [stdout]     |
[INFO] [stdout] 235 | impl DBImpl {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 271 |     fn print(&self) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `print` and `root` are never used
[INFO] [stdout]    --> src/node.rs:109:19
[INFO] [stdout]     |
[INFO] [stdout] 60  | impl Node {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 109 |     pub(crate) fn print(&self, db: &DBImpl) {
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 270 |     pub(crate) fn root(&self, node: Node) -> Node {
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MetaSize` is never used
[INFO] [stdout]   --> src/page.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub(crate) const MetaSize: usize = size_of::<Meta>();
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `PageFlag` is never used
[INFO] [stdout]   --> src/page.rs:20:17
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub(crate) type PageFlag = u16;
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `magic` should have an upper case name
[INFO] [stdout]   --> src/lib.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub(crate) const magic: u32 = 0xED0CDAED;
[INFO] [stdout]    |                  ^^^^^ help: convert the identifier to upper case: `MAGIC`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `version` should have an upper case name
[INFO] [stdout]   --> src/lib.rs:11:18
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub(crate) const version: u32 = 2;
[INFO] [stdout]    |                  ^^^^^^^ help: convert the identifier to upper case: `VERSION`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BucketHeaderSize` should have an upper case name
[INFO] [stdout]   --> src/bucket.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub(crate) const BucketHeaderSize: usize = size_of::<IBucket>();
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `BUCKET_HEADER_SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/db.rs:167:9
[INFO] [stdout]     |
[INFO] [stdout] 167 |         drop(self.mmap.as_deref());
[INFO] [stdout]     |         ^^^^^--------------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `Option<&[u8]>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `metaA` should have a snake case name
[INFO] [stdout]    --> src/db.rs:188:21
[INFO] [stdout]     |
[INFO] [stdout] 188 |             let mut metaA = self.meta0;
[INFO] [stdout]     |                     ^^^^^ help: convert the identifier to snake case: `meta_a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `metaB` should have a snake case name
[INFO] [stdout]    --> src/db.rs:189:21
[INFO] [stdout]     |
[INFO] [stdout] 189 |             let mut metaB = self.meta1;
[INFO] [stdout]     |                     ^^^^^ help: convert the identifier to snake case: `meta_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MetaSize` should have an upper case name
[INFO] [stdout]   --> src/page.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub(crate) const MetaSize: usize = size_of::<Meta>();
[INFO] [stdout]    |                  ^^^^^^^^ help: convert the identifier to upper case: `META_SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LeafPageElementSize` should have an upper case name
[INFO] [stdout]   --> src/page.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub(crate) const LeafPageElementSize: usize = size_of::<LeafPageElement>();
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `LEAF_PAGE_ELEMENT_SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BranchPageElementSize` should have an upper case name
[INFO] [stdout]   --> src/page.rs:16:18
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub(crate) const BranchPageElementSize: usize = size_of::<BranchPageElement>();
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `BRANCH_PAGE_ELEMENT_SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BranchPageFlag` should have an upper case name
[INFO] [stdout]   --> src/page.rs:22:18
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub(crate) const BranchPageFlag: u16 = 0x01;
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `BRANCH_PAGE_FLAG`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LeafPageFlag` should have an upper case name
[INFO] [stdout]   --> src/page.rs:23:18
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub(crate) const LeafPageFlag: u16 = 0x02;
[INFO] [stdout]    |                  ^^^^^^^^^^^^ help: convert the identifier to upper case: `LEAF_PAGE_FLAG`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MetaPageFlag` should have an upper case name
[INFO] [stdout]   --> src/page.rs:24:18
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub(crate) const MetaPageFlag: u16 = 0x04;
[INFO] [stdout]    |                  ^^^^^^^^^^^^ help: convert the identifier to upper case: `META_PAGE_FLAG`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FreeListPageFlag` should have an upper case name
[INFO] [stdout]   --> src/page.rs:25:18
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub(crate) const FreeListPageFlag: u16 = 0x10;
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `FREE_LIST_PAGE_FLAG`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BucketLeafFlag` should have an upper case name
[INFO] [stdout]   --> src/page.rs:27:18
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub(crate) const BucketLeafFlag: u32 = 0x01;
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `BUCKET_LEAF_FLAG`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `dbImpl` should have a snake case name
[INFO] [stdout]    --> src/tx.rs:145:5
[INFO] [stdout]     |
[INFO] [stdout] 145 |     dbImpl: Arc<DBImpl>,
[INFO] [stdout]     |     ^^^^^^ help: convert the identifier to snake case: `db_impl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 40 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.88s
[INFO] running `Command { std: "docker" "inspect" "6d43d59b4013fdedd150a41f39b4cfa66d315dc9350cd61887fc1e745e27d226", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d43d59b4013fdedd150a41f39b4cfa66d315dc9350cd61887fc1e745e27d226", kill_on_drop: false }`
[INFO] [stdout] 6d43d59b4013fdedd150a41f39b4cfa66d315dc9350cd61887fc1e745e27d226
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 718a82ae68af9ac79011756ee397779b6a6a9c6eeec08e47edf569a84ae6eb23
[INFO] running `Command { std: "docker" "start" "-a" "718a82ae68af9ac79011756ee397779b6a6a9c6eeec08e47edf569a84ae6eb23", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]  --> src/cursor.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::str;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/cursor.rs:230:30
[INFO] [stdout]     |
[INFO] [stdout] 230 |                     Ok(v) => (v),
[INFO] [stdout]     |                              ^ ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 230 -                     Ok(v) => (v),
[INFO] [stdout] 230 +                     Ok(v) => v,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/cursor.rs:231:31
[INFO] [stdout]     |
[INFO] [stdout] 231 |                     Err(e) => (e),
[INFO] [stdout]     |                               ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 231 -                     Err(e) => (e),
[INFO] [stdout] 231 +                     Err(e) => e,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/cursor.rs:238:30
[INFO] [stdout]     |
[INFO] [stdout] 238 |                     Ok(v) => (v),
[INFO] [stdout]     |                              ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 238 -                     Ok(v) => (v),
[INFO] [stdout] 238 +                     Ok(v) => v,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/cursor.rs:239:31
[INFO] [stdout]     |
[INFO] [stdout] 239 |                     Err(e) => (e),
[INFO] [stdout]     |                               ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 239 -                     Err(e) => (e),
[INFO] [stdout] 239 +                     Err(e) => e,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/error.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NKError`
[INFO] [stdout]  --> src/tx.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::error::{NKError, NKResult};
[INFO] [stdout]   |                    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Page`
[INFO] [stdout]  --> src/tx.rs:4:36
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::page::{Meta, OwnerPage, Page, Pgid};
[INFO] [stdout]   |                                    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling nikidb v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `RwLock`
[INFO] [stdout]   --> src/tx.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::sync::{Arc, RwLock, Weak};
[INFO] [stdout]    |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bucket.rs:357:17
[INFO] [stdout]     |
[INFO] [stdout] 357 |             let mut root = n.clone();
[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: unused variable: `index`
[INFO] [stdout]    --> src/cursor.rs:122:21
[INFO] [stdout]     |
[INFO] [stdout] 122 |             let mut index: usize = 0;
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/cursor.rs:122:17
[INFO] [stdout]     |
[INFO] [stdout] 122 |             let mut index: usize = 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/cursor.rs:283:13
[INFO] [stdout]     |
[INFO] [stdout] 283 |         let mut elem = self.stack.first().unwrap();
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]    --> src/freelist.rs:160:17
[INFO] [stdout]     |
[INFO] [stdout] 160 |         let mut m: Vec<Pgid> = Vec::with_capacity(self.pending_count());
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/freelist.rs:160:13
[INFO] [stdout]     |
[INFO] [stdout] 160 |         let mut m: Vec<Pgid> = Vec::with_capacity(self.pending_count());
[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/node.rs:608:21
[INFO] [stdout]     |
[INFO] [stdout] 608 |         if let Some(mut p) = parent_node {
[INFO] [stdout]     |                     ----^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sequence` is never read
[INFO] [stdout]    --> src/bucket.rs:370:16
[INFO] [stdout]     |
[INFO] [stdout] 368 | pub(crate) struct IBucket {
[INFO] [stdout]     |                   ------- field in this struct
[INFO] [stdout] 369 |     pub(crate) root: Pgid,
[INFO] [stdout] 370 |     pub(crate) sequence: u64,
[INFO] [stdout]     |                ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `IBucket` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `value` is never used
[INFO] [stdout]   --> src/cursor.rs:37:19
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl<'a> Item<'a> {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub(crate) fn value(&self) -> Option<&'a [u8]> {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `last`, `prev`, and `delete` are never used
[INFO] [stdout]    --> src/cursor.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 80  | impl<'a> Cursor<'a> {
[INFO] [stdout]     | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 118 |     fn last(&mut self) {}
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 145 |     fn prev(&mut self) {}
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 146 |
[INFO] [stdout] 147 |     fn delete(&mut self) {}
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print` is never used
[INFO] [stdout]   --> src/db.rs:97:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl DB {
[INFO] [stdout]    | ------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 97 |     fn print(&self) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `no_grow_sync`, `read_only`, and `mmap_flags` are never read
[INFO] [stdout]    --> src/db.rs:219:5
[INFO] [stdout]     |
[INFO] [stdout] 218 | pub struct Options {
[INFO] [stdout]     |            ------- fields in this struct
[INFO] [stdout] 219 |     no_grow_sync: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 220 |
[INFO] [stdout] 221 |     read_only: bool,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 222 |
[INFO] [stdout] 223 |     mmap_flags: u32,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Options` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print` is never used
[INFO] [stdout]    --> src/db.rs:271:8
[INFO] [stdout]     |
[INFO] [stdout] 235 | impl DBImpl {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 271 |     fn print(&self) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `print` and `root` are never used
[INFO] [stdout]    --> src/node.rs:109:19
[INFO] [stdout]     |
[INFO] [stdout] 60  | impl Node {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 109 |     pub(crate) fn print(&self, db: &DBImpl) {
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 270 |     pub(crate) fn root(&self, node: Node) -> Node {
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MetaSize` is never used
[INFO] [stdout]   --> src/page.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub(crate) const MetaSize: usize = size_of::<Meta>();
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `PageFlag` is never used
[INFO] [stdout]   --> src/page.rs:20:17
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub(crate) type PageFlag = u16;
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `magic` should have an upper case name
[INFO] [stdout]   --> src/lib.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub(crate) const magic: u32 = 0xED0CDAED;
[INFO] [stdout]    |                  ^^^^^ help: convert the identifier to upper case: `MAGIC`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `version` should have an upper case name
[INFO] [stdout]   --> src/lib.rs:11:18
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub(crate) const version: u32 = 2;
[INFO] [stdout]    |                  ^^^^^^^ help: convert the identifier to upper case: `VERSION`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BucketHeaderSize` should have an upper case name
[INFO] [stdout]   --> src/bucket.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub(crate) const BucketHeaderSize: usize = size_of::<IBucket>();
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `BUCKET_HEADER_SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/db.rs:167:9
[INFO] [stdout]     |
[INFO] [stdout] 167 |         drop(self.mmap.as_deref());
[INFO] [stdout]     |         ^^^^^--------------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `Option<&[u8]>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `metaA` should have a snake case name
[INFO] [stdout]    --> src/db.rs:188:21
[INFO] [stdout]     |
[INFO] [stdout] 188 |             let mut metaA = self.meta0;
[INFO] [stdout]     |                     ^^^^^ help: convert the identifier to snake case: `meta_a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `metaB` should have a snake case name
[INFO] [stdout]    --> src/db.rs:189:21
[INFO] [stdout]     |
[INFO] [stdout] 189 |             let mut metaB = self.meta1;
[INFO] [stdout]     |                     ^^^^^ help: convert the identifier to snake case: `meta_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MetaSize` should have an upper case name
[INFO] [stdout]   --> src/page.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub(crate) const MetaSize: usize = size_of::<Meta>();
[INFO] [stdout]    |                  ^^^^^^^^ help: convert the identifier to upper case: `META_SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LeafPageElementSize` should have an upper case name
[INFO] [stdout]   --> src/page.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub(crate) const LeafPageElementSize: usize = size_of::<LeafPageElement>();
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `LEAF_PAGE_ELEMENT_SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BranchPageElementSize` should have an upper case name
[INFO] [stdout]   --> src/page.rs:16:18
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub(crate) const BranchPageElementSize: usize = size_of::<BranchPageElement>();
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `BRANCH_PAGE_ELEMENT_SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BranchPageFlag` should have an upper case name
[INFO] [stdout]   --> src/page.rs:22:18
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub(crate) const BranchPageFlag: u16 = 0x01;
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `BRANCH_PAGE_FLAG`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LeafPageFlag` should have an upper case name
[INFO] [stdout]   --> src/page.rs:23:18
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub(crate) const LeafPageFlag: u16 = 0x02;
[INFO] [stdout]    |                  ^^^^^^^^^^^^ help: convert the identifier to upper case: `LEAF_PAGE_FLAG`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MetaPageFlag` should have an upper case name
[INFO] [stdout]   --> src/page.rs:24:18
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub(crate) const MetaPageFlag: u16 = 0x04;
[INFO] [stdout]    |                  ^^^^^^^^^^^^ help: convert the identifier to upper case: `META_PAGE_FLAG`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FreeListPageFlag` should have an upper case name
[INFO] [stdout]   --> src/page.rs:25:18
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub(crate) const FreeListPageFlag: u16 = 0x10;
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `FREE_LIST_PAGE_FLAG`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BucketLeafFlag` should have an upper case name
[INFO] [stdout]   --> src/page.rs:27:18
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub(crate) const BucketLeafFlag: u32 = 0x01;
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `BUCKET_LEAF_FLAG`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `dbImpl` should have a snake case name
[INFO] [stdout]    --> src/tx.rs:145:5
[INFO] [stdout]     |
[INFO] [stdout] 145 |     dbImpl: Arc<DBImpl>,
[INFO] [stdout]     |     ^^^^^^ help: convert the identifier to snake case: `db_impl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 40 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]  --> src/cursor.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::str;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/cursor.rs:230:30
[INFO] [stdout]     |
[INFO] [stdout] 230 |                     Ok(v) => (v),
[INFO] [stdout]     |                              ^ ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 230 -                     Ok(v) => (v),
[INFO] [stdout] 230 +                     Ok(v) => v,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/cursor.rs:231:31
[INFO] [stdout]     |
[INFO] [stdout] 231 |                     Err(e) => (e),
[INFO] [stdout]     |                               ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 231 -                     Err(e) => (e),
[INFO] [stdout] 231 +                     Err(e) => e,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/cursor.rs:238:30
[INFO] [stdout]     |
[INFO] [stdout] 238 |                     Ok(v) => (v),
[INFO] [stdout]     |                              ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 238 -                     Ok(v) => (v),
[INFO] [stdout] 238 +                     Ok(v) => v,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/cursor.rs:239:31
[INFO] [stdout]     |
[INFO] [stdout] 239 |                     Err(e) => (e),
[INFO] [stdout]     |                               ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 239 -                     Err(e) => (e),
[INFO] [stdout] 239 +                     Err(e) => e,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]    --> src/db.rs:424:9
[INFO] [stdout]     |
[INFO] [stdout] 424 |     use std::thread;
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/error.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ptr::null_mut`
[INFO] [stdout]    --> src/node.rs:634:9
[INFO] [stdout]     |
[INFO] [stdout] 634 |     use std::ptr::null_mut;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NKError`
[INFO] [stdout]  --> src/tx.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::error::{NKError, NKResult};
[INFO] [stdout]   |                    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Page`
[INFO] [stdout]  --> src/tx.rs:4:36
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::page::{Meta, OwnerPage, Page, Pgid};
[INFO] [stdout]   |                                    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RwLock`
[INFO] [stdout]   --> src/tx.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::sync::{Arc, RwLock, Weak};
[INFO] [stdout]    |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bucket.rs:357:17
[INFO] [stdout]     |
[INFO] [stdout] 357 |             let mut root = n.clone();
[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: unused variable: `index`
[INFO] [stdout]    --> src/cursor.rs:122:21
[INFO] [stdout]     |
[INFO] [stdout] 122 |             let mut index: usize = 0;
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/cursor.rs:122:17
[INFO] [stdout]     |
[INFO] [stdout] 122 |             let mut index: usize = 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/cursor.rs:283:13
[INFO] [stdout]     |
[INFO] [stdout] 283 |         let mut elem = self.stack.first().unwrap();
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `tx` is assigned to, but never used
[INFO] [stdout]    --> src/db.rs:429:17
[INFO] [stdout]     |
[INFO] [stdout] 429 |         let mut tx = unsafe { (&*(db.0.mmap.try_read().unwrap().meta0)).txid };
[INFO] [stdout]     |                 ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_tx` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `tx` is never read
[INFO] [stdout]    --> src/db.rs:440:9
[INFO] [stdout]     |
[INFO] [stdout] 440 |         tx = unsafe { (&*(db.0.mmap.try_read().unwrap().meta0)).txid };
[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: unused variable: `e`
[INFO] [stdout]    --> src/db.rs:451:21
[INFO] [stdout]     |
[INFO] [stdout] 451 |                 Err(e) => panic!("create bucket error"),
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/db.rs:475:13
[INFO] [stdout]     |
[INFO] [stdout] 475 |         let mut db = DBImpl::open("./test.db", DEFAULT_OPTIONS).unwrap();
[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/db.rs:498:13
[INFO] [stdout]     |
[INFO] [stdout] 498 |         let mut db = DBImpl::open("./test.db", DEFAULT_OPTIONS).unwrap();
[INFO] [stdout]     |             ----^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]    --> src/freelist.rs:160:17
[INFO] [stdout]     |
[INFO] [stdout] 160 |         let mut m: Vec<Pgid> = Vec::with_capacity(self.pending_count());
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/freelist.rs:160:13
[INFO] [stdout]     |
[INFO] [stdout] 160 |         let mut m: Vec<Pgid> = Vec::with_capacity(self.pending_count());
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pgid`
[INFO] [stdout]    --> src/freelist.rs:225:13
[INFO] [stdout]     |
[INFO] [stdout] 225 |         let pgid = freelist.allocate(1);
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_pgid`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `freelist`
[INFO] [stdout]    --> src/freelist.rs:240:17
[INFO] [stdout]     |
[INFO] [stdout] 240 |         let mut freelist = FreeList {
[INFO] [stdout]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_freelist`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/freelist.rs:240:13
[INFO] [stdout]     |
[INFO] [stdout] 240 |         let mut freelist = FreeList {
[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/freelist.rs:259:13
[INFO] [stdout]     |
[INFO] [stdout] 259 |         let mut freelist = FreeList {
[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/node.rs:608:21
[INFO] [stdout]     |
[INFO] [stdout] 608 |         if let Some(mut p) = parent_node {
[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/node.rs:643:13
[INFO] [stdout]     |
[INFO] [stdout] 643 |         let mut node1 = NodeImpl::new().leaf(true).build();
[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/page.rs:255:13
[INFO] [stdout]     |
[INFO] [stdout] 255 |         let mut v = a.leaf_page_elements_mut();
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sequence` is never read
[INFO] [stdout]    --> src/bucket.rs:370:16
[INFO] [stdout]     |
[INFO] [stdout] 368 | pub(crate) struct IBucket {
[INFO] [stdout]     |                   ------- field in this struct
[INFO] [stdout] 369 |     pub(crate) root: Pgid,
[INFO] [stdout] 370 |     pub(crate) sequence: u64,
[INFO] [stdout]     |                ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `IBucket` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `value` is never used
[INFO] [stdout]   --> src/cursor.rs:37:19
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl<'a> Item<'a> {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub(crate) fn value(&self) -> Option<&'a [u8]> {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `last`, `prev`, and `delete` are never used
[INFO] [stdout]    --> src/cursor.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 80  | impl<'a> Cursor<'a> {
[INFO] [stdout]     | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 118 |     fn last(&mut self) {}
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 145 |     fn prev(&mut self) {}
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 146 |
[INFO] [stdout] 147 |     fn delete(&mut self) {}
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `no_grow_sync`, `read_only`, and `mmap_flags` are never read
[INFO] [stdout]    --> src/db.rs:219:5
[INFO] [stdout]     |
[INFO] [stdout] 218 | pub struct Options {
[INFO] [stdout]     |            ------- fields in this struct
[INFO] [stdout] 219 |     no_grow_sync: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 220 |
[INFO] [stdout] 221 |     read_only: bool,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 222 |
[INFO] [stdout] 223 |     mmap_flags: u32,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Options` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `root` is never used
[INFO] [stdout]    --> src/node.rs:270:19
[INFO] [stdout]     |
[INFO] [stdout] 60  | impl Node {
[INFO] [stdout]     | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 270 |     pub(crate) fn root(&self, node: Node) -> Node {
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `PageFlag` is never used
[INFO] [stdout]   --> src/page.rs:20:17
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub(crate) type PageFlag = u16;
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `magic` should have an upper case name
[INFO] [stdout]   --> src/lib.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub(crate) const magic: u32 = 0xED0CDAED;
[INFO] [stdout]    |                  ^^^^^ help: convert the identifier to upper case: `MAGIC`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `version` should have an upper case name
[INFO] [stdout]   --> src/lib.rs:11:18
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub(crate) const version: u32 = 2;
[INFO] [stdout]    |                  ^^^^^^^ help: convert the identifier to upper case: `VERSION`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BucketHeaderSize` should have an upper case name
[INFO] [stdout]   --> src/bucket.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub(crate) const BucketHeaderSize: usize = size_of::<IBucket>();
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `BUCKET_HEADER_SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/db.rs:167:9
[INFO] [stdout]     |
[INFO] [stdout] 167 |         drop(self.mmap.as_deref());
[INFO] [stdout]     |         ^^^^^--------------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `Option<&[u8]>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `metaA` should have a snake case name
[INFO] [stdout]    --> src/db.rs:188:21
[INFO] [stdout]     |
[INFO] [stdout] 188 |             let mut metaA = self.meta0;
[INFO] [stdout]     |                     ^^^^^ help: convert the identifier to snake case: `meta_a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `metaB` should have a snake case name
[INFO] [stdout]    --> src/db.rs:189:21
[INFO] [stdout]     |
[INFO] [stdout] 189 |             let mut metaB = self.meta1;
[INFO] [stdout]     |                     ^^^^^ help: convert the identifier to snake case: `meta_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/db.rs:478:9
[INFO] [stdout]     |
[INFO] [stdout] 478 |         tx1.commit();
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 478 |         let _ = tx1.commit();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/db.rs:482:9
[INFO] [stdout]     |
[INFO] [stdout] 482 |         b.put(b"001", b"aaa");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 482 |         let _ = b.put(b"001", b"aaa");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/db.rs:483:9
[INFO] [stdout]     |
[INFO] [stdout] 483 |         b.put(b"002", b"bbb");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 483 |         let _ = b.put(b"002", b"bbb");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/db.rs:484:9
[INFO] [stdout]     |
[INFO] [stdout] 484 |         b.put(b"003", b"ccc");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 484 |         let _ = b.put(b"003", b"ccc");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/db.rs:485:9
[INFO] [stdout]     |
[INFO] [stdout] 485 |         b.put(b"004", b"ddd");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 485 |         let _ = b.put(b"004", b"ddd");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/db.rs:486:9
[INFO] [stdout]     |
[INFO] [stdout] 486 |         tx2.commit();
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 486 |         let _ = tx2.commit();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/db.rs:491:9
[INFO] [stdout]     |
[INFO] [stdout] 491 |         b.delete(b"001");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 491 |         let _ = b.delete(b"001");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/db.rs:492:9
[INFO] [stdout]     |
[INFO] [stdout] 492 |         tx3.commit();
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 492 |         let _ = tx3.commit();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MetaSize` should have an upper case name
[INFO] [stdout]   --> src/page.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub(crate) const MetaSize: usize = size_of::<Meta>();
[INFO] [stdout]    |                  ^^^^^^^^ help: convert the identifier to upper case: `META_SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LeafPageElementSize` should have an upper case name
[INFO] [stdout]   --> src/page.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub(crate) const LeafPageElementSize: usize = size_of::<LeafPageElement>();
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `LEAF_PAGE_ELEMENT_SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BranchPageElementSize` should have an upper case name
[INFO] [stdout]   --> src/page.rs:16:18
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub(crate) const BranchPageElementSize: usize = size_of::<BranchPageElement>();
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `BRANCH_PAGE_ELEMENT_SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BranchPageFlag` should have an upper case name
[INFO] [stdout]   --> src/page.rs:22:18
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub(crate) const BranchPageFlag: u16 = 0x01;
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `BRANCH_PAGE_FLAG`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LeafPageFlag` should have an upper case name
[INFO] [stdout]   --> src/page.rs:23:18
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub(crate) const LeafPageFlag: u16 = 0x02;
[INFO] [stdout]    |                  ^^^^^^^^^^^^ help: convert the identifier to upper case: `LEAF_PAGE_FLAG`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MetaPageFlag` should have an upper case name
[INFO] [stdout]   --> src/page.rs:24:18
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub(crate) const MetaPageFlag: u16 = 0x04;
[INFO] [stdout]    |                  ^^^^^^^^^^^^ help: convert the identifier to upper case: `META_PAGE_FLAG`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FreeListPageFlag` should have an upper case name
[INFO] [stdout]   --> src/page.rs:25:18
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub(crate) const FreeListPageFlag: u16 = 0x10;
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `FREE_LIST_PAGE_FLAG`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BucketLeafFlag` should have an upper case name
[INFO] [stdout]   --> src/page.rs:27:18
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub(crate) const BucketLeafFlag: u32 = 0x01;
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `BUCKET_LEAF_FLAG`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `dbImpl` should have a snake case name
[INFO] [stdout]    --> src/tx.rs:145:5
[INFO] [stdout]     |
[INFO] [stdout] 145 |     dbImpl: Arc<DBImpl>,
[INFO] [stdout]     |     ^^^^^^ help: convert the identifier to snake case: `db_impl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 58 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `Command { std: "docker" "inspect" "718a82ae68af9ac79011756ee397779b6a6a9c6eeec08e47edf569a84ae6eb23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "718a82ae68af9ac79011756ee397779b6a6a9c6eeec08e47edf569a84ae6eb23", kill_on_drop: false }`
[INFO] [stdout] 718a82ae68af9ac79011756ee397779b6a6a9c6eeec08e47edf569a84ae6eb23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5f3a809733c3d5ba867bcda3710038497337d3f10e9136c8ad26317829399708
[INFO] running `Command { std: "docker" "start" "-a" "5f3a809733c3d5ba867bcda3710038497337d3f10e9136c8ad26317829399708", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]  --> src/cursor.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::str;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around match arm expression
[INFO] [stderr]    --> src/cursor.rs:230:30
[INFO] [stderr]     |
[INFO] [stderr] 230 |                     Ok(v) => (v),
[INFO] [stderr]     |                              ^ ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 230 -                     Ok(v) => (v),
[INFO] [stderr] 230 +                     Ok(v) => v,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around match arm expression
[INFO] [stderr]    --> src/cursor.rs:231:31
[INFO] [stderr]     |
[INFO] [stderr] 231 |                     Err(e) => (e),
[INFO] [stderr]     |                               ^ ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 231 -                     Err(e) => (e),
[INFO] [stderr] 231 +                     Err(e) => e,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around match arm expression
[INFO] [stderr]    --> src/cursor.rs:238:30
[INFO] [stderr]     |
[INFO] [stderr] 238 |                     Ok(v) => (v),
[INFO] [stderr]     |                              ^ ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 238 -                     Ok(v) => (v),
[INFO] [stderr] 238 +                     Ok(v) => v,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around match arm expression
[INFO] [stderr]    --> src/cursor.rs:239:31
[INFO] [stderr]     |
[INFO] [stderr] 239 |                     Err(e) => (e),
[INFO] [stderr]     |                               ^ ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 239 -                     Err(e) => (e),
[INFO] [stderr] 239 +                     Err(e) => e,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]  --> src/error.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fmt;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `NKError`
[INFO] [stderr]  --> src/tx.rs:3:20
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::error::{NKError, NKResult};
[INFO] [stderr]   |                    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Page`
[INFO] [stderr]  --> src/tx.rs:4:36
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::page::{Meta, OwnerPage, Page, Pgid};
[INFO] [stderr]   |                                    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `RwLock`
[INFO] [stderr]   --> src/tx.rs:10:22
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::sync::{Arc, RwLock, Weak};
[INFO] [stderr]    |                      ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/bucket.rs:357:17
[INFO] [stderr]     |
[INFO] [stderr] 357 |             let mut root = n.clone();
[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: unused variable: `index`
[INFO] [stderr]    --> src/cursor.rs:122:21
[INFO] [stderr]     |
[INFO] [stderr] 122 |             let mut index: usize = 0;
[INFO] [stderr]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/cursor.rs:122:17
[INFO] [stderr]     |
[INFO] [stderr] 122 |             let mut index: usize = 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/cursor.rs:283:13
[INFO] [stderr]     |
[INFO] [stderr] 283 |         let mut elem = self.stack.first().unwrap();
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]    --> src/freelist.rs:160:17
[INFO] [stderr]     |
[INFO] [stderr] 160 |         let mut m: Vec<Pgid> = Vec::with_capacity(self.pending_count());
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/freelist.rs:160:13
[INFO] [stderr]     |
[INFO] [stderr] 160 |         let mut m: Vec<Pgid> = Vec::with_capacity(self.pending_count());
[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/node.rs:608:21
[INFO] [stderr]     |
[INFO] [stderr] 608 |         if let Some(mut p) = parent_node {
[INFO] [stderr]     |                     ----^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field `sequence` is never read
[INFO] [stderr]    --> src/bucket.rs:370:16
[INFO] [stderr]     |
[INFO] [stderr] 368 | pub(crate) struct IBucket {
[INFO] [stderr]     |                   ------- field in this struct
[INFO] [stderr] 369 |     pub(crate) root: Pgid,
[INFO] [stderr] 370 |     pub(crate) sequence: u64,
[INFO] [stderr]     |                ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `IBucket` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `value` is never used
[INFO] [stderr]   --> src/cursor.rs:37:19
[INFO] [stderr]    |
[INFO] [stderr] 24 | impl<'a> Item<'a> {
[INFO] [stderr]    | ----------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 37 |     pub(crate) fn value(&self) -> Option<&'a [u8]> {
[INFO] [stderr]    |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `last`, `prev`, and `delete` are never used
[INFO] [stderr]    --> src/cursor.rs:118:8
[INFO] [stderr]     |
[INFO] [stderr] 80  | impl<'a> Cursor<'a> {
[INFO] [stderr]     | ------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 118 |     fn last(&mut self) {}
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 145 |     fn prev(&mut self) {}
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] 146 |
[INFO] [stderr] 147 |     fn delete(&mut self) {}
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `print` is never used
[INFO] [stderr]   --> src/db.rs:97:8
[INFO] [stderr]    |
[INFO] [stderr] 28 | impl DB {
[INFO] [stderr]    | ------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 97 |     fn print(&self) {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `no_grow_sync`, `read_only`, and `mmap_flags` are never read
[INFO] [stderr]    --> src/db.rs:219:5
[INFO] [stderr]     |
[INFO] [stderr] 218 | pub struct Options {
[INFO] [stderr]     |            ------- fields in this struct
[INFO] [stderr] 219 |     no_grow_sync: bool,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 220 |
[INFO] [stderr] 221 |     read_only: bool,
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stderr] 222 |
[INFO] [stderr] 223 |     mmap_flags: u32,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Options` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: method `print` is never used
[INFO] [stderr]    --> src/db.rs:271:8
[INFO] [stderr]     |
[INFO] [stderr] 235 | impl DBImpl {
[INFO] [stderr]     | ----------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 271 |     fn print(&self) {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `print` and `root` are never used
[INFO] [stderr]    --> src/node.rs:109:19
[INFO] [stderr]     |
[INFO] [stderr] 60  | impl Node {
[INFO] [stderr]     | --------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 109 |     pub(crate) fn print(&self, db: &DBImpl) {
[INFO] [stderr]     |                   ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 270 |     pub(crate) fn root(&self, node: Node) -> Node {
[INFO] [stderr]     |                   ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `MetaSize` is never used
[INFO] [stderr]   --> src/page.rs:12:18
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub(crate) const MetaSize: usize = size_of::<Meta>();
[INFO] [stderr]    |                  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `PageFlag` is never used
[INFO] [stderr]   --> src/page.rs:20:17
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub(crate) type PageFlag = u16;
[INFO] [stderr]    |                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `magic` should have an upper case name
[INFO] [stderr]   --> src/lib.rs:10:18
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub(crate) const magic: u32 = 0xED0CDAED;
[INFO] [stderr]    |                  ^^^^^ help: convert the identifier to upper case: `MAGIC`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `version` should have an upper case name
[INFO] [stderr]   --> src/lib.rs:11:18
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub(crate) const version: u32 = 2;
[INFO] [stderr]    |                  ^^^^^^^ help: convert the identifier to upper case: `VERSION`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `BucketHeaderSize` should have an upper case name
[INFO] [stderr]   --> src/bucket.rs:14:18
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub(crate) const BucketHeaderSize: usize = size_of::<IBucket>();
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `BUCKET_HEADER_SIZE`
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stderr]    --> src/db.rs:167:9
[INFO] [stderr]     |
[INFO] [stderr] 167 |         drop(self.mmap.as_deref());
[INFO] [stderr]     |         ^^^^^--------------------^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              argument has type `Option<&[u8]>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `metaA` should have a snake case name
[INFO] [stderr]    --> src/db.rs:188:21
[INFO] [stderr]     |
[INFO] [stderr] 188 |             let mut metaA = self.meta0;
[INFO] [stderr]     |                     ^^^^^ help: convert the identifier to snake case: `meta_a`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `metaB` should have a snake case name
[INFO] [stderr]    --> src/db.rs:189:21
[INFO] [stderr]     |
[INFO] [stderr] 189 |             let mut metaB = self.meta1;
[INFO] [stderr]     |                     ^^^^^ help: convert the identifier to snake case: `meta_b`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `MetaSize` should have an upper case name
[INFO] [stderr]   --> src/page.rs:12:18
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub(crate) const MetaSize: usize = size_of::<Meta>();
[INFO] [stderr]    |                  ^^^^^^^^ help: convert the identifier to upper case: `META_SIZE`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `LeafPageElementSize` should have an upper case name
[INFO] [stderr]   --> src/page.rs:14:18
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub(crate) const LeafPageElementSize: usize = size_of::<LeafPageElement>();
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `LEAF_PAGE_ELEMENT_SIZE`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `BranchPageElementSize` should have an upper case name
[INFO] [stderr]   --> src/page.rs:16:18
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub(crate) const BranchPageElementSize: usize = size_of::<BranchPageElement>();
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `BRANCH_PAGE_ELEMENT_SIZE`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `BranchPageFlag` should have an upper case name
[INFO] [stderr]   --> src/page.rs:22:18
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub(crate) const BranchPageFlag: u16 = 0x01;
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `BRANCH_PAGE_FLAG`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `LeafPageFlag` should have an upper case name
[INFO] [stderr]   --> src/page.rs:23:18
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub(crate) const LeafPageFlag: u16 = 0x02;
[INFO] [stderr]    |                  ^^^^^^^^^^^^ help: convert the identifier to upper case: `LEAF_PAGE_FLAG`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `MetaPageFlag` should have an upper case name
[INFO] [stderr]   --> src/page.rs:24:18
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub(crate) const MetaPageFlag: u16 = 0x04;
[INFO] [stderr]    |                  ^^^^^^^^^^^^ help: convert the identifier to upper case: `META_PAGE_FLAG`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `FreeListPageFlag` should have an upper case name
[INFO] [stderr]   --> src/page.rs:25:18
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub(crate) const FreeListPageFlag: u16 = 0x10;
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `FREE_LIST_PAGE_FLAG`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `BucketLeafFlag` should have an upper case name
[INFO] [stderr]   --> src/page.rs:27:18
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub(crate) const BucketLeafFlag: u32 = 0x01;
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `BUCKET_LEAF_FLAG`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `dbImpl` should have a snake case name
[INFO] [stderr]    --> src/tx.rs:145:5
[INFO] [stderr]     |
[INFO] [stderr] 145 |     dbImpl: Arc<DBImpl>,
[INFO] [stderr]     |     ^^^^^^ help: convert the identifier to snake case: `db_impl`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]    --> src/db.rs:424:9
[INFO] [stderr]     |
[INFO] [stderr] 424 |     use std::thread;
[INFO] [stderr]     |         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ptr::null_mut`
[INFO] [stderr]    --> src/node.rs:634:9
[INFO] [stderr]     |
[INFO] [stderr] 634 |     use std::ptr::null_mut;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `tx` is assigned to, but never used
[INFO] [stderr]    --> src/db.rs:429:17
[INFO] [stderr]     |
[INFO] [stderr] 429 |         let mut tx = unsafe { (&*(db.0.mmap.try_read().unwrap().meta0)).txid };
[INFO] [stderr]     |                 ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_tx` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `tx` is never read
[INFO] [stderr]    --> src/db.rs:440:9
[INFO] [stderr]     |
[INFO] [stderr] 440 |         tx = unsafe { (&*(db.0.mmap.try_read().unwrap().meta0)).txid };
[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: unused variable: `e`
[INFO] [stderr]    --> src/db.rs:451:21
[INFO] [stderr]     |
[INFO] [stderr] 451 |                 Err(e) => panic!("create bucket error"),
[INFO] [stderr]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/db.rs:475:13
[INFO] [stderr]     |
[INFO] [stderr] 475 |         let mut db = DBImpl::open("./test.db", DEFAULT_OPTIONS).unwrap();
[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/db.rs:498:13
[INFO] [stderr]     |
[INFO] [stderr] 498 |         let mut db = DBImpl::open("./test.db", DEFAULT_OPTIONS).unwrap();
[INFO] [stderr]     |             ----^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pgid`
[INFO] [stderr]    --> src/freelist.rs:225:13
[INFO] [stderr]     |
[INFO] [stderr] 225 |         let pgid = freelist.allocate(1);
[INFO] [stderr]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_pgid`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `freelist`
[INFO] [stderr]    --> src/freelist.rs:240:17
[INFO] [stderr]     |
[INFO] [stderr] 240 |         let mut freelist = FreeList {
[INFO] [stderr]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_freelist`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/freelist.rs:240:13
[INFO] [stderr]     |
[INFO] [stderr] 240 |         let mut freelist = FreeList {
[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/freelist.rs:259:13
[INFO] [stderr]     |
[INFO] [stderr] 259 |         let mut freelist = FreeList {
[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/node.rs:643:13
[INFO] [stderr]     |
[INFO] [stderr] 643 |         let mut node1 = NodeImpl::new().leaf(true).build();
[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/page.rs:255:13
[INFO] [stderr]     |
[INFO] [stderr] 255 |         let mut v = a.leaf_page_elements_mut();
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: method `root` is never used
[INFO] [stderr]    --> src/node.rs:270:19
[INFO] [stderr]     |
[INFO] [stderr] 60  | impl Node {
[INFO] [stderr]     | --------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 270 |     pub(crate) fn root(&self, node: Node) -> Node {
[INFO] [stderr]     |                   ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/db.rs:478:9
[INFO] [stderr]     |
[INFO] [stderr] 478 |         tx1.commit();
[INFO] [stderr]     |         ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 478 |         let _ = tx1.commit();
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/db.rs:482:9
[INFO] [stderr]     |
[INFO] [stderr] 482 |         b.put(b"001", b"aaa");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 482 |         let _ = b.put(b"001", b"aaa");
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/db.rs:483:9
[INFO] [stderr]     |
[INFO] [stderr] 483 |         b.put(b"002", b"bbb");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 483 |         let _ = b.put(b"002", b"bbb");
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/db.rs:484:9
[INFO] [stderr]     |
[INFO] [stderr] 484 |         b.put(b"003", b"ccc");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 484 |         let _ = b.put(b"003", b"ccc");
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/db.rs:485:9
[INFO] [stderr]     |
[INFO] [stderr] 485 |         b.put(b"004", b"ddd");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 485 |         let _ = b.put(b"004", b"ddd");
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/db.rs:486:9
[INFO] [stderr]     |
[INFO] [stderr] 486 |         tx2.commit();
[INFO] [stderr]     |         ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 486 |         let _ = tx2.commit();
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/db.rs:491:9
[INFO] [stderr]     |
[INFO] [stderr] 491 |         b.delete(b"001");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 491 |         let _ = b.delete(b"001");
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/db.rs:492:9
[INFO] [stderr]     |
[INFO] [stderr] 492 |         tx3.commit();
[INFO] [stderr]     |         ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 492 |         let _ = tx3.commit();
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `nikidb` (lib) generated 40 warnings (run `cargo fix --lib -p nikidb` to apply 16 suggestions)
[INFO] [stderr] warning: `nikidb` (lib test) generated 58 warnings (36 duplicates) (run `cargo fix --lib -p nikidb --tests` to apply 11 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nikidb-1fe62f1a27cff22b)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test freelist::tests::test_freelist_allocate ... ok
[INFO] [stdout] test freelist::tests::test_copy_all ... ok
[INFO] [stdout] test freelist::tests::test_count ... ok
[INFO] [stdout] test page::tests::test_page_size ... ok
[INFO] [stdout] test page::tests::test_meta_len ... ok
[INFO] [stdout] test db::tests::test_db_mmap ... FAILED
[INFO] [stdout] test node::tests::test_node_new ... ok
[INFO] [stdout] test page::tests::test_struct_to_slice ... FAILED
[INFO] [stdout] test db::tests::test_tx_delete ... FAILED
[INFO] [stdout] test db::tests::test_db_print ... FAILED
[INFO] [stdout] test db::tests::test_tx_create_bucket ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout] ---- db::tests::test_db_mmap stdout ----
[INFO] [stdout] thread 'db::tests::test_db_mmap' panicked at src/db.rs:428:61:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: DBOpenFail(Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" })
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5584266d60ec - std::backtrace_rs::backtrace::libunwind::trace::ha637c64ce894333a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x5584266d60ec - std::backtrace_rs::backtrace::trace_unsynchronized::h47f62dea28e0c88d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5584266d60ec - std::sys_common::backtrace::_print_fmt::h9eef0abe20ede486
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x5584266d60ec - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hed7f999df88cc644
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5584266ffc90 - core::fmt::rt::Argument::fmt::h1539a9308b8d058d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x5584266ffc90 - core::fmt::write::h3a39390d8560d9c9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x5584266d39df - std::io::Write::write_fmt::h040b369f3a0f9cbc
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/io/mod.rs:1762:15
[INFO] [stdout]    7:     0x5584266d5ed4 - std::sys_common::backtrace::_print::h894006fb5c6f3d45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5584266d5ed4 - std::sys_common::backtrace::print::h23a2d212c6fff936
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x5584266d7b97 - std::panicking::default_hook::{{closure}}::h8a1d2ee00185001a
[INFO] [stdout]   10:     0x5584266d7883 - std::panicking::default_hook::h6038f2eba384e475
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x558426689157 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h0ad024c9bdc6d768
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stdout]   12:     0x558426689157 - test::test_main::{{closure}}::h7500b54257359db6
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x5584266d81a8 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h1f8f335eaa9cfaee
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stdout]   14:     0x5584266d81a8 - std::panicking::rust_panic_with_hook::h2b5517d590cab22e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x5584266d7efe - std::panicking::begin_panic_handler::{{closure}}::h233112c06e0ef43e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x5584266d65b6 - std::sys_common::backtrace::__rust_end_short_backtrace::h6e893f24d7ebbff8
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:170:18
[INFO] [stdout]   17:     0x5584266d7c62 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x5584265fadd5 - core::panicking::panic_fmt::hbf0e066aabfa482c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x5584265fb363 - core::result::unwrap_failed::hddb4fea594200c52
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/result.rs:1653:5
[INFO] [stdout]   20:     0x55842662e1c8 - core::result::Result<T,E>::unwrap::hb3e9529e3e58af53
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x558426631da3 - nikidb::db::tests::test_db_mmap::hf8a475bda66f2b7b
[INFO] [stdout]                                at /opt/rustwide/workdir/src/db.rs:428:18
[INFO] [stdout]   22:     0x558426631d37 - nikidb::db::tests::test_db_mmap::{{closure}}::h16f86c17ce878ea9
[INFO] [stdout]                                at /opt/rustwide/workdir/src/db.rs:427:22
[INFO] [stdout]   23:     0x55842664d606 - core::ops::function::FnOnce::call_once::hc8b2048b27c05261
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55842668e7af - core::ops::function::FnOnce::call_once::h2b5d431d5046312d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x55842668e7af - test::__rust_begin_short_backtrace::h7714669af176e207
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:628:18
[INFO] [stdout]   26:     0x55842668d7c5 - test::run_test_in_process::{{closure}}::h85218797dcbcec12
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:60
[INFO] [stdout]   27:     0x55842668d7c5 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h76c106ea31c14d7b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x55842668d7c5 - std::panicking::try::do_call::h3bd5d0f6620ee946
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   29:     0x55842668d7c5 - std::panicking::try::h232e535e4744fe31
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   30:     0x55842668d7c5 - std::panic::catch_unwind::h3ce3bd6ca8dbac68
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x55842668d7c5 - test::run_test_in_process::hc97b257c9621286a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:27
[INFO] [stdout]   32:     0x55842668d7c5 - test::run_test::{{closure}}::h2aa798823a438d38
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:574:43
[INFO] [stdout]   33:     0x558426655a86 - test::run_test::{{closure}}::h87d231c78fb59832
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:602:41
[INFO] [stdout]   34:     0x558426655a86 - std::sys_common::backtrace::__rust_begin_short_backtrace::he6df152596625789
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:154:18
[INFO] [stdout]   35:     0x55842665ab37 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::ha94be15d1e0acf36
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x55842665ab37 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9dc6bd6372f16606
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x55842665ab37 - std::panicking::try::do_call::h9057517f80303cd4
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   38:     0x55842665ab37 - std::panicking::try::he3a30b11ee45340c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   39:     0x55842665ab37 - std::panic::catch_unwind::h410458cfd3528b8b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x55842665ab37 - std::thread::Builder::spawn_unchecked_::{{closure}}::h72ac3bdb567b737b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x55842665ab37 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h38f34da3654a8344
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5584266dcc45 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hc7eafaff61e32df9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   43:     0x5584266dcc45 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ba4a5de48dd2304
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   44:     0x5584266dcc45 - std::sys::unix::thread::Thread::new::thread_start::he469335aef763e45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7f31e72d8ac3 - <unknown>
[INFO] [stdout]   46:     0x7f31e7369bf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- page::tests::test_struct_to_slice stdout ----
[INFO] [stdout] id:100
[INFO] [stdout] thread 'page::tests::test_struct_to_slice' panicked at src/page.rs:256:9:
[INFO] [stdout] index out of bounds: the len is 0 but the index is 0
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5584266d60ec - std::backtrace_rs::backtrace::libunwind::trace::ha637c64ce894333a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x5584266d60ec - std::backtrace_rs::backtrace::trace_unsynchronized::h47f62dea28e0c88d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5584266d60ec - std::sys_common::backtrace::_print_fmt::h9eef0abe20ede486
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x5584266d60ec - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hed7f999df88cc644
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5584266ffc90 - core::fmt::rt::Argument::fmt::h1539a9308b8d058d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x5584266ffc90 - core::fmt::write::h3a39390d8560d9c9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x5584266d39df - std::io::Write::write_fmt::h040b369f3a0f9cbc
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/io/mod.rs:1762:15
[INFO] [stdout]    7:     0x5584266d5ed4 - std::sys_common::backtrace::_print::h894006fb5c6f3d45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5584266d5ed4 - std::sys_common::backtrace::print::h23a2d212c6fff936
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x5584266d7b97 - std::panicking::default_hook::{{closure}}::h8a1d2ee00185001a
[INFO] [stdout]   10:     0x5584266d7883 - std::panicking::default_hook::h6038f2eba384e475
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x558426689157 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h0ad024c9bdc6d768
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stdout]   12:     0x558426689157 - test::test_main::{{closure}}::h7500b54257359db6
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x5584266d81a8 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h1f8f335eaa9cfaee
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stdout]   14:     0x5584266d81a8 - std::panicking::rust_panic_with_hook::h2b5517d590cab22e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x5584266d7efe - std::panicking::begin_panic_handler::{{closure}}::h233112c06e0ef43e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x5584266d65b6 - std::sys_common::backtrace::__rust_end_short_backtrace::h6e893f24d7ebbff8
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:170:18
[INFO] [stdout]   17:     0x5584266d7c62 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x5584265fadd5 - core::panicking::panic_fmt::hbf0e066aabfa482c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x5584265faf92 - core::panicking::panic_bounds_check::h326a19b32dc06d6d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panicking.rs:190:5
[INFO] [stdout]   20:     0x558426633166 - nikidb::page::tests::test_struct_to_slice::he174f51b06e1644e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/page.rs:256:9
[INFO] [stdout]   21:     0x558426632f77 - nikidb::page::tests::test_struct_to_slice::{{closure}}::hbc36eb585ae4b88c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/page.rs:250:30
[INFO] [stdout]   22:     0x55842664d486 - core::ops::function::FnOnce::call_once::h9c872cd13461f498
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x55842668e7af - core::ops::function::FnOnce::call_once::h2b5d431d5046312d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55842668e7af - test::__rust_begin_short_backtrace::h7714669af176e207
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:628:18
[INFO] [stdout]   25:     0x55842668d7c5 - test::run_test_in_process::{{closure}}::h85218797dcbcec12
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:60
[INFO] [stdout]   26:     0x55842668d7c5 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h76c106ea31c14d7b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x55842668d7c5 - std::panicking::try::do_call::h3bd5d0f6620ee946
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   28:     0x55842668d7c5 - std::panicking::try::h232e535e4744fe31
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   29:     0x55842668d7c5 - std::panic::catch_unwind::h3ce3bd6ca8dbac68
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   30:     0x55842668d7c5 - test::run_test_in_process::hc97b257c9621286a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:27
[INFO] [stdout]   31:     0x55842668d7c5 - test::run_test::{{closure}}::h2aa798823a438d38
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:574:43
[INFO] [stdout]   32:     0x558426655a86 - test::run_test::{{closure}}::h87d231c78fb59832
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:602:41
[INFO] [stdout]   33:     0x558426655a86 - std::sys_common::backtrace::__rust_begin_short_backtrace::he6df152596625789
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:154:18
[INFO] [stdout]   34:     0x55842665ab37 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::ha94be15d1e0acf36
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   35:     0x55842665ab37 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9dc6bd6372f16606
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x55842665ab37 - std::panicking::try::do_call::h9057517f80303cd4
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   37:     0x55842665ab37 - std::panicking::try::he3a30b11ee45340c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   38:     0x55842665ab37 - std::panic::catch_unwind::h410458cfd3528b8b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   39:     0x55842665ab37 - std::thread::Builder::spawn_unchecked_::{{closure}}::h72ac3bdb567b737b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   40:     0x55842665ab37 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h38f34da3654a8344
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x5584266dcc45 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hc7eafaff61e32df9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   42:     0x5584266dcc45 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ba4a5de48dd2304
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   43:     0x5584266dcc45 - std::sys::unix::thread::Thread::new::thread_start::he469335aef763e45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   44:     0x7f31e72d8ac3 - <unknown>
[INFO] [stdout]   45:     0x7f31e7369bf4 - __clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- db::tests::test_tx_delete stdout ----
[INFO] [stdout] thread 'db::tests::test_tx_delete' panicked at src/db.rs:475:65:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: DBOpenFail(Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" })
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5584266d60ec - std::backtrace_rs::backtrace::libunwind::trace::ha637c64ce894333a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x5584266d60ec - std::backtrace_rs::backtrace::trace_unsynchronized::h47f62dea28e0c88d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5584266d60ec - std::sys_common::backtrace::_print_fmt::h9eef0abe20ede486
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x5584266d60ec - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hed7f999df88cc644
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5584266ffc90 - core::fmt::rt::Argument::fmt::h1539a9308b8d058d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x5584266ffc90 - core::fmt::write::h3a39390d8560d9c9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x5584266d39df - std::io::Write::write_fmt::h040b369f3a0f9cbc
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/io/mod.rs:1762:15
[INFO] [stdout]    7:     0x5584266d5ed4 - std::sys_common::backtrace::_print::h894006fb5c6f3d45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5584266d5ed4 - std::sys_common::backtrace::print::h23a2d212c6fff936
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x5584266d7b97 - std::panicking::default_hook::{{closure}}::h8a1d2ee00185001a
[INFO] [stdout]   10:     0x5584266d7883 - std::panicking::default_hook::h6038f2eba384e475
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x558426689157 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h0ad024c9bdc6d768
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stdout]   12:     0x558426689157 - test::test_main::{{closure}}::h7500b54257359db6
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x5584266d81a8 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h1f8f335eaa9cfaee
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stdout]   14:     0x5584266d81a8 - std::panicking::rust_panic_with_hook::h2b5517d590cab22e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x5584266d7efe - std::panicking::begin_panic_handler::{{closure}}::h233112c06e0ef43e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x5584266d65b6 - std::sys_common::backtrace::__rust_end_short_backtrace::h6e893f24d7ebbff8
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:170:18
[INFO] [stdout]   17:     0x5584266d7c62 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x5584265fadd5 - core::panicking::panic_fmt::hbf0e066aabfa482c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x5584265fb363 - core::result::unwrap_failed::hddb4fea594200c52
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/result.rs:1653:5
[INFO] [stdout]   20:     0x55842662e1c8 - core::result::Result<T,E>::unwrap::hb3e9529e3e58af53
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x558426632a84 - nikidb::db::tests::test_tx_delete::h877e5299f2b5e282
[INFO] [stdout]                                at /opt/rustwide/workdir/src/db.rs:475:22
[INFO] [stdout]   22:     0x558426632a27 - nikidb::db::tests::test_tx_delete::{{closure}}::h140557fb58e102c3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/db.rs:474:24
[INFO] [stdout]   23:     0x55842664d716 - core::ops::function::FnOnce::call_once::hd7d6a8edd689f198
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55842668e7af - core::ops::function::FnOnce::call_once::h2b5d431d5046312d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x55842668e7af - test::__rust_begin_short_backtrace::h7714669af176e207
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:628:18
[INFO] [stdout]   26:     0x55842668d7c5 - test::run_test_in_process::{{closure}}::h85218797dcbcec12
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:60
[INFO] [stdout]   27:     0x55842668d7c5 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h76c106ea31c14d7b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x55842668d7c5 - std::panicking::try::do_call::h3bd5d0f6620ee946
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   29:     0x55842668d7c5 - std::panicking::try::h232e535e4744fe31
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   30:     0x55842668d7c5 - std::panic::catch_unwind::h3ce3bd6ca8dbac68
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x55842668d7c5 - test::run_test_in_process::hc97b257c9621286a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:27
[INFO] [stdout]   32:     0x55842668d7c5 - test::run_test::{{closure}}::h2aa798823a438d38
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:574:43
[INFO] [stdout]   33:     0x558426655a86 - test::run_test::{{closure}}::h87d231c78fb59832
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:602:41
[INFO] [stdout]   34:     0x558426655a86 - std::sys_common::backtrace::__rust_begin_short_backtrace::he6df152596625789
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:154:18
[INFO] [stdout]   35:     0x55842665ab37 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::ha94be15d1e0acf36
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x55842665ab37 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9dc6bd6372f16606
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x55842665ab37 - std::panicking::try::do_call::h9057517f80303cd4
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   38:     0x55842665ab37 - std::panicking::try::he3a30b11ee45340c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   39:     0x55842665ab37 - std::panic::catch_unwind::h410458cfd3528b8b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x55842665ab37 - std::thread::Builder::spawn_unchecked_::{{closure}}::h72ac3bdb567b737b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x55842665ab37 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h38f34da3654a8344
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5584266dcc45 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hc7eafaff61e32df9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   43:     0x5584266dcc45 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ba4a5de48dd2304
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   44:     0x5584266dcc45 - std::sys::unix::thread::Thread::new::thread_start::he469335aef763e45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7f31e72d8ac3 - <unknown>
[INFO] [stdout]   46:     0x7f31e7369bf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- db::tests::test_db_print stdout ----
[INFO] [stdout] thread 'db::tests::test_db_print' panicked at src/db.rs:498:65:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: DBOpenFail(Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" })
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5584266d60ec - std::backtrace_rs::backtrace::libunwind::trace::ha637c64ce894333a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x5584266d60ec - std::backtrace_rs::backtrace::trace_unsynchronized::h47f62dea28e0c88d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5584266d60ec - std::sys_common::backtrace::_print_fmt::h9eef0abe20ede486
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x5584266d60ec - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hed7f999df88cc644
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5584266ffc90 - core::fmt::rt::Argument::fmt::h1539a9308b8d058d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x5584266ffc90 - core::fmt::write::h3a39390d8560d9c9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x5584266d39df - std::io::Write::write_fmt::h040b369f3a0f9cbc
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/io/mod.rs:1762:15
[INFO] [stdout]    7:     0x5584266d5ed4 - std::sys_common::backtrace::_print::h894006fb5c6f3d45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5584266d5ed4 - std::sys_common::backtrace::print::h23a2d212c6fff936
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x5584266d7b97 - std::panicking::default_hook::{{closure}}::h8a1d2ee00185001a
[INFO] [stdout]   10:     0x5584266d7883 - std::panicking::default_hook::h6038f2eba384e475
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x558426689157 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h0ad024c9bdc6d768
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stdout]   12:     0x558426689157 - test::test_main::{{closure}}::h7500b54257359db6
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x5584266d81a8 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h1f8f335eaa9cfaee
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stdout]   14:     0x5584266d81a8 - std::panicking::rust_panic_with_hook::h2b5517d590cab22e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x5584266d7efe - std::panicking::begin_panic_handler::{{closure}}::h233112c06e0ef43e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x5584266d65b6 - std::sys_common::backtrace::__rust_end_short_backtrace::h6e893f24d7ebbff8
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:170:18
[INFO] [stdout]   17:     0x5584266d7c62 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x5584265fadd5 - core::panicking::panic_fmt::hbf0e066aabfa482c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x5584265fb363 - core::result::unwrap_failed::hddb4fea594200c52
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/result.rs:1653:5
[INFO] [stdout]   20:     0x55842662e1c8 - core::result::Result<T,E>::unwrap::hb3e9529e3e58af53
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x558426632f01 - nikidb::db::tests::test_db_print::h93e3d514f42c9adb
[INFO] [stdout]                                at /opt/rustwide/workdir/src/db.rs:498:22
[INFO] [stdout]   22:     0x558426632ea7 - nikidb::db::tests::test_db_print::{{closure}}::h30ac2292b99c9c85
[INFO] [stdout]                                at /opt/rustwide/workdir/src/db.rs:497:23
[INFO] [stdout]   23:     0x55842664d6d6 - core::ops::function::FnOnce::call_once::hd2082f7b1de1f8f4
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55842668e7af - core::ops::function::FnOnce::call_once::h2b5d431d5046312d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x55842668e7af - test::__rust_begin_short_backtrace::h7714669af176e207
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:628:18
[INFO] [stdout]   26:     0x55842668d7c5 - test::run_test_in_process::{{closure}}::h85218797dcbcec12
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:60
[INFO] [stdout]   27:     0x55842668d7c5 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h76c106ea31c14d7b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x55842668d7c5 - std::panicking::try::do_call::h3bd5d0f6620ee946
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   29:     0x55842668d7c5 - std::panicking::try::h232e535e4744fe31
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   30:     0x55842668d7c5 - std::panic::catch_unwind::h3ce3bd6ca8dbac68
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x55842668d7c5 - test::run_test_in_process::hc97b257c9621286a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:27
[INFO] [stdout]   32:     0x55842668d7c5 - test::run_test::{{closure}}::h2aa798823a438d38
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:574:43
[INFO] [stdout]   33:     0x558426655a86 - test::run_test::{{closure}}::h87d231c78fb59832
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:602:41
[INFO] [stdout]   34:     0x558426655a86 - std::sys_common::backtrace::__rust_begin_short_backtrace::he6df152596625789
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:154:18
[INFO] [stdout]   35:     0x55842665ab37 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::ha94be15d1e0acf36
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x55842665ab37 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9dc6bd6372f16606
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x55842665ab37 - std::panicking::try::do_call::h9057517f80303cd4
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   38:     0x55842665ab37 - std::panicking::try::he3a30b11ee45340c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   39:     0x55842665ab37 - std::panic::catch_unwind::h410458cfd3528b8b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x55842665ab37 - std::thread::Builder::spawn_unchecked_::{{closure}}::h72ac3bdb567b737b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x55842665ab37 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h38f34da3654a8344
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5584266dcc45 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hc7eafaff61e32df9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   43:     0x5584266dcc45 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ba4a5de48dd2304
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   44:     0x5584266dcc45 - std::sys::unix::thread::Thread::new::thread_start::he469335aef763e45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7f31e72d8ac3 - <unknown>
[INFO] [stdout]   46:     0x7f31e7369bf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- db::tests::test_tx_create_bucket stdout ----
[INFO] [stdout] thread 'db::tests::test_tx_create_bucket' panicked at src/db.rs:445:61:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: DBOpenFail(Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" })
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5584266d60ec - std::backtrace_rs::backtrace::libunwind::trace::ha637c64ce894333a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x5584266d60ec - std::backtrace_rs::backtrace::trace_unsynchronized::h47f62dea28e0c88d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5584266d60ec - std::sys_common::backtrace::_print_fmt::h9eef0abe20ede486
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x5584266d60ec - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hed7f999df88cc644
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5584266ffc90 - core::fmt::rt::Argument::fmt::h1539a9308b8d058d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x5584266ffc90 - core::fmt::write::h3a39390d8560d9c9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x5584266d39df - std::io::Write::write_fmt::h040b369f3a0f9cbc
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/io/mod.rs:1762:15
[INFO] [stdout]    7:     0x5584266d5ed4 - std::sys_common::backtrace::_print::h894006fb5c6f3d45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5584266d5ed4 - std::sys_common::backtrace::print::h23a2d212c6fff936
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x5584266d7b97 - std::panicking::default_hook::{{closure}}::h8a1d2ee00185001a
[INFO] [stdout]   10:     0x5584266d7883 - std::panicking::default_hook::h6038f2eba384e475
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x558426689157 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h0ad024c9bdc6d768
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stdout]   12:     0x558426689157 - test::test_main::{{closure}}::h7500b54257359db6
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x5584266d81a8 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h1f8f335eaa9cfaee
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stdout]   14:     0x5584266d81a8 - std::panicking::rust_panic_with_hook::h2b5517d590cab22e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x5584266d7efe - std::panicking::begin_panic_handler::{{closure}}::h233112c06e0ef43e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x5584266d65b6 - std::sys_common::backtrace::__rust_end_short_backtrace::h6e893f24d7ebbff8
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:170:18
[INFO] [stdout]   17:     0x5584266d7c62 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x5584265fadd5 - core::panicking::panic_fmt::hbf0e066aabfa482c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x5584265fb363 - core::result::unwrap_failed::hddb4fea594200c52
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/result.rs:1653:5
[INFO] [stdout]   20:     0x55842662e1c8 - core::result::Result<T,E>::unwrap::hb3e9529e3e58af53
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x5584266321fa - nikidb::db::tests::test_tx_create_bucket::h17bab6b19b54aef3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/db.rs:445:18
[INFO] [stdout]   22:     0x558426632197 - nikidb::db::tests::test_tx_create_bucket::{{closure}}::h9979156367d1e392
[INFO] [stdout]                                at /opt/rustwide/workdir/src/db.rs:444:31
[INFO] [stdout]   23:     0x55842664d1b6 - core::ops::function::FnOnce::call_once::h593ff3774a2575c7
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55842668e7af - core::ops::function::FnOnce::call_once::h2b5d431d5046312d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x55842668e7af - test::__rust_begin_short_backtrace::h7714669af176e207
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:628:18
[INFO] [stdout]   26:     0x55842668d7c5 - test::run_test_in_process::{{closure}}::h85218797dcbcec12
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:60
[INFO] [stdout]   27:     0x55842668d7c5 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h76c106ea31c14d7b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x55842668d7c5 - std::panicking::try::do_call::h3bd5d0f6620ee946
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   29:     0x55842668d7c5 - std::panicking::try::h232e535e4744fe31
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   30:     0x55842668d7c5 - std::panic::catch_unwind::h3ce3bd6ca8dbac68
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x55842668d7c5 - test::run_test_in_process::hc97b257c9621286a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:27
[INFO] [stdout]   32:     0x55842668d7c5 - test::run_test::{{closure}}::h2aa798823a438d38
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:574:43
[INFO] [stdout]   33:     0x558426655a86 - test::run_test::{{closure}}::h87d231c78fb59832
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:602:41
[INFO] [stdout]   34:     0x558426655a86 - std::sys_common::backtrace::__rust_begin_short_backtrace::he6df152596625789
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:154:18
[INFO] [stdout]   35:     0x55842665ab37 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::ha94be15d1e0acf36
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x55842665ab37 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9dc6bd6372f16606
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x55842665ab37 - std::panicking::try::do_call::h9057517f80303cd4
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   38:     0x55842665ab37 - std::panicking::try::he3a30b11ee45340c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   39:     0x55842665ab37 - std::panic::catch_unwind::h410458cfd3528b8b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x55842665ab37 - std::thread::Builder::spawn_unchecked_::{{closure}}::h72ac3bdb567b737b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x55842665ab37 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h38f34da3654a8344
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5584266dcc45 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hc7eafaff61e32df9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   43:     0x5584266dcc45 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ba4a5de48dd2304
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   44:     0x5584266dcc45 - std::sys::unix::thread::Thread::new::thread_start::he469335aef763e45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7f31e72d8ac3 - <unknown>
[INFO] [stdout]   46:     0x7f31e7369bf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     db::tests::test_db_mmap
[INFO] [stdout]     db::tests::test_db_print
[INFO] [stdout]     db::tests::test_tx_create_bucket
[INFO] [stdout]     db::tests::test_tx_delete
[INFO] [stdout]     page::tests::test_struct_to_slice
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 6 passed; 5 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5f3a809733c3d5ba867bcda3710038497337d3f10e9136c8ad26317829399708", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f3a809733c3d5ba867bcda3710038497337d3f10e9136c8ad26317829399708", kill_on_drop: false }`
[INFO] [stdout] 5f3a809733c3d5ba867bcda3710038497337d3f10e9136c8ad26317829399708
[INFO] testing nikidb-0.1.1 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate nikidb 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate nikidb 0.1.1 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nikidb 0.1.1
[INFO] finished tweaking crates.io crate nikidb 0.1.1
[INFO] tweaked toml for crates.io crate nikidb 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb87a48f347d23d42574b0979628fbbea07c27d34ca5a9a6e78c64a5e45cc395
[INFO] running `Command { std: "docker" "start" "-a" "cb87a48f347d23d42574b0979628fbbea07c27d34ca5a9a6e78c64a5e45cc395", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb87a48f347d23d42574b0979628fbbea07c27d34ca5a9a6e78c64a5e45cc395", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb87a48f347d23d42574b0979628fbbea07c27d34ca5a9a6e78c64a5e45cc395", kill_on_drop: false }`
[INFO] [stdout] cb87a48f347d23d42574b0979628fbbea07c27d34ca5a9a6e78c64a5e45cc395
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c48634973bfe37bec1bc733c767d7bd93ea564ca248eb22fa8a3d5281c4c42fd
[INFO] running `Command { std: "docker" "start" "-a" "c48634973bfe37bec1bc733c767d7bd93ea564ca248eb22fa8a3d5281c4c42fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling integer-encoding v3.0.4
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling page_size v0.4.2
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling nikidb v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]  --> src/cursor.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::str;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/cursor.rs:230:30
[INFO] [stdout]     |
[INFO] [stdout] 230 |                     Ok(v) => (v),
[INFO] [stdout]     |                              ^ ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 230 -                     Ok(v) => (v),
[INFO] [stdout] 230 +                     Ok(v) => v,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/cursor.rs:231:31
[INFO] [stdout]     |
[INFO] [stdout] 231 |                     Err(e) => (e),
[INFO] [stdout]     |                               ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 231 -                     Err(e) => (e),
[INFO] [stdout] 231 +                     Err(e) => e,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/cursor.rs:238:30
[INFO] [stdout]     |
[INFO] [stdout] 238 |                     Ok(v) => (v),
[INFO] [stdout]     |                              ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 238 -                     Ok(v) => (v),
[INFO] [stdout] 238 +                     Ok(v) => v,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/cursor.rs:239:31
[INFO] [stdout]     |
[INFO] [stdout] 239 |                     Err(e) => (e),
[INFO] [stdout]     |                               ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 239 -                     Err(e) => (e),
[INFO] [stdout] 239 +                     Err(e) => e,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/error.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NKError`
[INFO] [stdout]  --> src/tx.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::error::{NKError, NKResult};
[INFO] [stdout]   |                    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Page`
[INFO] [stdout]  --> src/tx.rs:4:36
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::page::{Meta, OwnerPage, Page, Pgid};
[INFO] [stdout]   |                                    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RwLock`
[INFO] [stdout]   --> src/tx.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::sync::{Arc, RwLock, Weak};
[INFO] [stdout]    |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bucket.rs:357:17
[INFO] [stdout]     |
[INFO] [stdout] 357 |             let mut root = n.clone();
[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: unused variable: `index`
[INFO] [stdout]    --> src/cursor.rs:122:21
[INFO] [stdout]     |
[INFO] [stdout] 122 |             let mut index: usize = 0;
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/cursor.rs:122:17
[INFO] [stdout]     |
[INFO] [stdout] 122 |             let mut index: usize = 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/cursor.rs:283:13
[INFO] [stdout]     |
[INFO] [stdout] 283 |         let mut elem = self.stack.first().unwrap();
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]    --> src/freelist.rs:160:17
[INFO] [stdout]     |
[INFO] [stdout] 160 |         let mut m: Vec<Pgid> = Vec::with_capacity(self.pending_count());
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/freelist.rs:160:13
[INFO] [stdout]     |
[INFO] [stdout] 160 |         let mut m: Vec<Pgid> = Vec::with_capacity(self.pending_count());
[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/node.rs:608:21
[INFO] [stdout]     |
[INFO] [stdout] 608 |         if let Some(mut p) = parent_node {
[INFO] [stdout]     |                     ----^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sequence` is never read
[INFO] [stdout]    --> src/bucket.rs:370:16
[INFO] [stdout]     |
[INFO] [stdout] 368 | pub(crate) struct IBucket {
[INFO] [stdout]     |                   ------- field in this struct
[INFO] [stdout] 369 |     pub(crate) root: Pgid,
[INFO] [stdout] 370 |     pub(crate) sequence: u64,
[INFO] [stdout]     |                ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `IBucket` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `value` is never used
[INFO] [stdout]   --> src/cursor.rs:37:19
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl<'a> Item<'a> {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub(crate) fn value(&self) -> Option<&'a [u8]> {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `last`, `prev`, and `delete` are never used
[INFO] [stdout]    --> src/cursor.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 80  | impl<'a> Cursor<'a> {
[INFO] [stdout]     | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 118 |     fn last(&mut self) {}
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 145 |     fn prev(&mut self) {}
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 146 |
[INFO] [stdout] 147 |     fn delete(&mut self) {}
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print` is never used
[INFO] [stdout]   --> src/db.rs:97:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl DB {
[INFO] [stdout]    | ------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 97 |     fn print(&self) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `no_grow_sync`, `read_only`, and `mmap_flags` are never read
[INFO] [stdout]    --> src/db.rs:219:5
[INFO] [stdout]     |
[INFO] [stdout] 218 | pub struct Options {
[INFO] [stdout]     |            ------- fields in this struct
[INFO] [stdout] 219 |     no_grow_sync: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 220 |
[INFO] [stdout] 221 |     read_only: bool,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 222 |
[INFO] [stdout] 223 |     mmap_flags: u32,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Options` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print` is never used
[INFO] [stdout]    --> src/db.rs:271:8
[INFO] [stdout]     |
[INFO] [stdout] 235 | impl DBImpl {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 271 |     fn print(&self) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `print` and `root` are never used
[INFO] [stdout]    --> src/node.rs:109:19
[INFO] [stdout]     |
[INFO] [stdout] 60  | impl Node {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 109 |     pub(crate) fn print(&self, db: &DBImpl) {
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 270 |     pub(crate) fn root(&self, node: Node) -> Node {
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MetaSize` is never used
[INFO] [stdout]   --> src/page.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub(crate) const MetaSize: usize = size_of::<Meta>();
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `PageFlag` is never used
[INFO] [stdout]   --> src/page.rs:20:17
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub(crate) type PageFlag = u16;
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `magic` should have an upper case name
[INFO] [stdout]   --> src/lib.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub(crate) const magic: u32 = 0xED0CDAED;
[INFO] [stdout]    |                  ^^^^^ help: convert the identifier to upper case: `MAGIC`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `version` should have an upper case name
[INFO] [stdout]   --> src/lib.rs:11:18
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub(crate) const version: u32 = 2;
[INFO] [stdout]    |                  ^^^^^^^ help: convert the identifier to upper case: `VERSION`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BucketHeaderSize` should have an upper case name
[INFO] [stdout]   --> src/bucket.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub(crate) const BucketHeaderSize: usize = size_of::<IBucket>();
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `BUCKET_HEADER_SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/db.rs:167:9
[INFO] [stdout]     |
[INFO] [stdout] 167 |         drop(self.mmap.as_deref());
[INFO] [stdout]     |         ^^^^^--------------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `Option<&[u8]>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `metaA` should have a snake case name
[INFO] [stdout]    --> src/db.rs:188:21
[INFO] [stdout]     |
[INFO] [stdout] 188 |             let mut metaA = self.meta0;
[INFO] [stdout]     |                     ^^^^^ help: convert the identifier to snake case: `meta_a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `metaB` should have a snake case name
[INFO] [stdout]    --> src/db.rs:189:21
[INFO] [stdout]     |
[INFO] [stdout] 189 |             let mut metaB = self.meta1;
[INFO] [stdout]     |                     ^^^^^ help: convert the identifier to snake case: `meta_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MetaSize` should have an upper case name
[INFO] [stdout]   --> src/page.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub(crate) const MetaSize: usize = size_of::<Meta>();
[INFO] [stdout]    |                  ^^^^^^^^ help: convert the identifier to upper case: `META_SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LeafPageElementSize` should have an upper case name
[INFO] [stdout]   --> src/page.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub(crate) const LeafPageElementSize: usize = size_of::<LeafPageElement>();
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `LEAF_PAGE_ELEMENT_SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BranchPageElementSize` should have an upper case name
[INFO] [stdout]   --> src/page.rs:16:18
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub(crate) const BranchPageElementSize: usize = size_of::<BranchPageElement>();
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `BRANCH_PAGE_ELEMENT_SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BranchPageFlag` should have an upper case name
[INFO] [stdout]   --> src/page.rs:22:18
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub(crate) const BranchPageFlag: u16 = 0x01;
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `BRANCH_PAGE_FLAG`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LeafPageFlag` should have an upper case name
[INFO] [stdout]   --> src/page.rs:23:18
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub(crate) const LeafPageFlag: u16 = 0x02;
[INFO] [stdout]    |                  ^^^^^^^^^^^^ help: convert the identifier to upper case: `LEAF_PAGE_FLAG`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MetaPageFlag` should have an upper case name
[INFO] [stdout]   --> src/page.rs:24:18
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub(crate) const MetaPageFlag: u16 = 0x04;
[INFO] [stdout]    |                  ^^^^^^^^^^^^ help: convert the identifier to upper case: `META_PAGE_FLAG`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FreeListPageFlag` should have an upper case name
[INFO] [stdout]   --> src/page.rs:25:18
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub(crate) const FreeListPageFlag: u16 = 0x10;
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `FREE_LIST_PAGE_FLAG`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BucketLeafFlag` should have an upper case name
[INFO] [stdout]   --> src/page.rs:27:18
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub(crate) const BucketLeafFlag: u32 = 0x01;
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `BUCKET_LEAF_FLAG`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `dbImpl` should have a snake case name
[INFO] [stdout]    --> src/tx.rs:145:5
[INFO] [stdout]     |
[INFO] [stdout] 145 |     dbImpl: Arc<DBImpl>,
[INFO] [stdout]     |     ^^^^^^ help: convert the identifier to snake case: `db_impl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 40 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.73s
[INFO] running `Command { std: "docker" "inspect" "c48634973bfe37bec1bc733c767d7bd93ea564ca248eb22fa8a3d5281c4c42fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c48634973bfe37bec1bc733c767d7bd93ea564ca248eb22fa8a3d5281c4c42fd", kill_on_drop: false }`
[INFO] [stdout] c48634973bfe37bec1bc733c767d7bd93ea564ca248eb22fa8a3d5281c4c42fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63f1f88aad0a0b5cbc83aa424ea479710320e0705d3dc7ca84686ef2f179965c
[INFO] running `Command { std: "docker" "start" "-a" "63f1f88aad0a0b5cbc83aa424ea479710320e0705d3dc7ca84686ef2f179965c", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]  --> src/cursor.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::str;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/cursor.rs:230:30
[INFO] [stdout]     |
[INFO] [stdout] 230 |                     Ok(v) => (v),
[INFO] [stdout]     |                              ^ ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 230 -                     Ok(v) => (v),
[INFO] [stdout] 230 +                     Ok(v) => v,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/cursor.rs:231:31
[INFO] [stdout]     |
[INFO] [stdout] 231 |                     Err(e) => (e),
[INFO] [stdout]     |                               ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 231 -                     Err(e) => (e),
[INFO] [stdout] 231 +                     Err(e) => e,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/cursor.rs:238:30
[INFO] [stdout]     |
[INFO] [stdout] 238 |                     Ok(v) => (v),
[INFO] [stdout]     |                              ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 238 -                     Ok(v) => (v),
[INFO] [stdout] 238 +                     Ok(v) => v,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/cursor.rs:239:31
[INFO] [stdout]     |
[INFO] [stdout] 239 |                     Err(e) => (e),
[INFO] [stdout]     |                               ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 239 -                     Err(e) => (e),
[INFO] [stdout] 239 +                     Err(e) => e,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/error.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NKError`
[INFO] [stdout]  --> src/tx.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::error::{NKError, NKResult};
[INFO] [stdout]   |                    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Page`
[INFO] [stdout]  --> src/tx.rs:4:36
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::page::{Meta, OwnerPage, Page, Pgid};
[INFO] [stdout]   |                                    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RwLock`
[INFO] [stdout]   --> src/tx.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::sync::{Arc, RwLock, Weak};
[INFO] [stdout]    |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bucket.rs:357:17
[INFO] [stdout]     |
[INFO] [stdout] 357 |             let mut root = n.clone();
[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: unused variable: `index`
[INFO] [stdout]    --> src/cursor.rs:122:21
[INFO] [stdout]     |
[INFO] [stdout] 122 |             let mut index: usize = 0;
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/cursor.rs:122:17
[INFO] [stdout]     |
[INFO] [stdout] 122 |             let mut index: usize = 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/cursor.rs:283:13
[INFO] [stdout]     |
[INFO] [stdout] 283 |         let mut elem = self.stack.first().unwrap();
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]    --> src/freelist.rs:160:17
[INFO] [stdout]     |
[INFO] [stdout] 160 |         let mut m: Vec<Pgid> = Vec::with_capacity(self.pending_count());
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/freelist.rs:160:13
[INFO] [stdout]     |
[INFO] [stdout] 160 |         let mut m: Vec<Pgid> = Vec::with_capacity(self.pending_count());
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling nikidb v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/node.rs:608:21
[INFO] [stdout]     |
[INFO] [stdout] 608 |         if let Some(mut p) = parent_node {
[INFO] [stdout]     |                     ----^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sequence` is never read
[INFO] [stdout]    --> src/bucket.rs:370:16
[INFO] [stdout]     |
[INFO] [stdout] 368 | pub(crate) struct IBucket {
[INFO] [stdout]     |                   ------- field in this struct
[INFO] [stdout] 369 |     pub(crate) root: Pgid,
[INFO] [stdout] 370 |     pub(crate) sequence: u64,
[INFO] [stdout]     |                ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `IBucket` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `value` is never used
[INFO] [stdout]   --> src/cursor.rs:37:19
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl<'a> Item<'a> {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub(crate) fn value(&self) -> Option<&'a [u8]> {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `last`, `prev`, and `delete` are never used
[INFO] [stdout]    --> src/cursor.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 80  | impl<'a> Cursor<'a> {
[INFO] [stdout]     | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 118 |     fn last(&mut self) {}
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 145 |     fn prev(&mut self) {}
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 146 |
[INFO] [stdout] 147 |     fn delete(&mut self) {}
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print` is never used
[INFO] [stdout]   --> src/db.rs:97:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl DB {
[INFO] [stdout]    | ------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 97 |     fn print(&self) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `no_grow_sync`, `read_only`, and `mmap_flags` are never read
[INFO] [stdout]    --> src/db.rs:219:5
[INFO] [stdout]     |
[INFO] [stdout] 218 | pub struct Options {
[INFO] [stdout]     |            ------- fields in this struct
[INFO] [stdout] 219 |     no_grow_sync: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 220 |
[INFO] [stdout] 221 |     read_only: bool,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 222 |
[INFO] [stdout] 223 |     mmap_flags: u32,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Options` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print` is never used
[INFO] [stdout]    --> src/db.rs:271:8
[INFO] [stdout]     |
[INFO] [stdout] 235 | impl DBImpl {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 271 |     fn print(&self) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `print` and `root` are never used
[INFO] [stdout]    --> src/node.rs:109:19
[INFO] [stdout]     |
[INFO] [stdout] 60  | impl Node {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 109 |     pub(crate) fn print(&self, db: &DBImpl) {
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 270 |     pub(crate) fn root(&self, node: Node) -> Node {
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MetaSize` is never used
[INFO] [stdout]   --> src/page.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub(crate) const MetaSize: usize = size_of::<Meta>();
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `PageFlag` is never used
[INFO] [stdout]   --> src/page.rs:20:17
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub(crate) type PageFlag = u16;
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `magic` should have an upper case name
[INFO] [stdout]   --> src/lib.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub(crate) const magic: u32 = 0xED0CDAED;
[INFO] [stdout]    |                  ^^^^^ help: convert the identifier to upper case: `MAGIC`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `version` should have an upper case name
[INFO] [stdout]   --> src/lib.rs:11:18
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub(crate) const version: u32 = 2;
[INFO] [stdout]    |                  ^^^^^^^ help: convert the identifier to upper case: `VERSION`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BucketHeaderSize` should have an upper case name
[INFO] [stdout]   --> src/bucket.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub(crate) const BucketHeaderSize: usize = size_of::<IBucket>();
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `BUCKET_HEADER_SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/db.rs:167:9
[INFO] [stdout]     |
[INFO] [stdout] 167 |         drop(self.mmap.as_deref());
[INFO] [stdout]     |         ^^^^^--------------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `Option<&[u8]>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `metaA` should have a snake case name
[INFO] [stdout]    --> src/db.rs:188:21
[INFO] [stdout]     |
[INFO] [stdout] 188 |             let mut metaA = self.meta0;
[INFO] [stdout]     |                     ^^^^^ help: convert the identifier to snake case: `meta_a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `metaB` should have a snake case name
[INFO] [stdout]    --> src/db.rs:189:21
[INFO] [stdout]     |
[INFO] [stdout] 189 |             let mut metaB = self.meta1;
[INFO] [stdout]     |                     ^^^^^ help: convert the identifier to snake case: `meta_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MetaSize` should have an upper case name
[INFO] [stdout]   --> src/page.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub(crate) const MetaSize: usize = size_of::<Meta>();
[INFO] [stdout]    |                  ^^^^^^^^ help: convert the identifier to upper case: `META_SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LeafPageElementSize` should have an upper case name
[INFO] [stdout]   --> src/page.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub(crate) const LeafPageElementSize: usize = size_of::<LeafPageElement>();
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `LEAF_PAGE_ELEMENT_SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BranchPageElementSize` should have an upper case name
[INFO] [stdout]   --> src/page.rs:16:18
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub(crate) const BranchPageElementSize: usize = size_of::<BranchPageElement>();
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `BRANCH_PAGE_ELEMENT_SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BranchPageFlag` should have an upper case name
[INFO] [stdout]   --> src/page.rs:22:18
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub(crate) const BranchPageFlag: u16 = 0x01;
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `BRANCH_PAGE_FLAG`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LeafPageFlag` should have an upper case name
[INFO] [stdout]   --> src/page.rs:23:18
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub(crate) const LeafPageFlag: u16 = 0x02;
[INFO] [stdout]    |                  ^^^^^^^^^^^^ help: convert the identifier to upper case: `LEAF_PAGE_FLAG`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MetaPageFlag` should have an upper case name
[INFO] [stdout]   --> src/page.rs:24:18
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub(crate) const MetaPageFlag: u16 = 0x04;
[INFO] [stdout]    |                  ^^^^^^^^^^^^ help: convert the identifier to upper case: `META_PAGE_FLAG`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FreeListPageFlag` should have an upper case name
[INFO] [stdout]   --> src/page.rs:25:18
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub(crate) const FreeListPageFlag: u16 = 0x10;
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `FREE_LIST_PAGE_FLAG`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BucketLeafFlag` should have an upper case name
[INFO] [stdout]   --> src/page.rs:27:18
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub(crate) const BucketLeafFlag: u32 = 0x01;
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `BUCKET_LEAF_FLAG`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `dbImpl` should have a snake case name
[INFO] [stdout]    --> src/tx.rs:145:5
[INFO] [stdout]     |
[INFO] [stdout] 145 |     dbImpl: Arc<DBImpl>,
[INFO] [stdout]     |     ^^^^^^ help: convert the identifier to snake case: `db_impl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 40 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]  --> src/cursor.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::str;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/cursor.rs:230:30
[INFO] [stdout]     |
[INFO] [stdout] 230 |                     Ok(v) => (v),
[INFO] [stdout]     |                              ^ ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 230 -                     Ok(v) => (v),
[INFO] [stdout] 230 +                     Ok(v) => v,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/cursor.rs:231:31
[INFO] [stdout]     |
[INFO] [stdout] 231 |                     Err(e) => (e),
[INFO] [stdout]     |                               ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 231 -                     Err(e) => (e),
[INFO] [stdout] 231 +                     Err(e) => e,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/cursor.rs:238:30
[INFO] [stdout]     |
[INFO] [stdout] 238 |                     Ok(v) => (v),
[INFO] [stdout]     |                              ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 238 -                     Ok(v) => (v),
[INFO] [stdout] 238 +                     Ok(v) => v,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/cursor.rs:239:31
[INFO] [stdout]     |
[INFO] [stdout] 239 |                     Err(e) => (e),
[INFO] [stdout]     |                               ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 239 -                     Err(e) => (e),
[INFO] [stdout] 239 +                     Err(e) => e,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]    --> src/db.rs:424:9
[INFO] [stdout]     |
[INFO] [stdout] 424 |     use std::thread;
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/error.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ptr::null_mut`
[INFO] [stdout]    --> src/node.rs:634:9
[INFO] [stdout]     |
[INFO] [stdout] 634 |     use std::ptr::null_mut;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NKError`
[INFO] [stdout]  --> src/tx.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::error::{NKError, NKResult};
[INFO] [stdout]   |                    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Page`
[INFO] [stdout]  --> src/tx.rs:4:36
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::page::{Meta, OwnerPage, Page, Pgid};
[INFO] [stdout]   |                                    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RwLock`
[INFO] [stdout]   --> src/tx.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::sync::{Arc, RwLock, Weak};
[INFO] [stdout]    |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bucket.rs:357:17
[INFO] [stdout]     |
[INFO] [stdout] 357 |             let mut root = n.clone();
[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: unused variable: `index`
[INFO] [stdout]    --> src/cursor.rs:122:21
[INFO] [stdout]     |
[INFO] [stdout] 122 |             let mut index: usize = 0;
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/cursor.rs:122:17
[INFO] [stdout]     |
[INFO] [stdout] 122 |             let mut index: usize = 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/cursor.rs:283:13
[INFO] [stdout]     |
[INFO] [stdout] 283 |         let mut elem = self.stack.first().unwrap();
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `tx` is assigned to, but never used
[INFO] [stdout]    --> src/db.rs:429:17
[INFO] [stdout]     |
[INFO] [stdout] 429 |         let mut tx = unsafe { (&*(db.0.mmap.try_read().unwrap().meta0)).txid };
[INFO] [stdout]     |                 ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_tx` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `tx` is never read
[INFO] [stdout]    --> src/db.rs:440:9
[INFO] [stdout]     |
[INFO] [stdout] 440 |         tx = unsafe { (&*(db.0.mmap.try_read().unwrap().meta0)).txid };
[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: unused variable: `e`
[INFO] [stdout]    --> src/db.rs:451:21
[INFO] [stdout]     |
[INFO] [stdout] 451 |                 Err(e) => panic!("create bucket error"),
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/db.rs:475:13
[INFO] [stdout]     |
[INFO] [stdout] 475 |         let mut db = DBImpl::open("./test.db", DEFAULT_OPTIONS).unwrap();
[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/db.rs:498:13
[INFO] [stdout]     |
[INFO] [stdout] 498 |         let mut db = DBImpl::open("./test.db", DEFAULT_OPTIONS).unwrap();
[INFO] [stdout]     |             ----^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]    --> src/freelist.rs:160:17
[INFO] [stdout]     |
[INFO] [stdout] 160 |         let mut m: Vec<Pgid> = Vec::with_capacity(self.pending_count());
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/freelist.rs:160:13
[INFO] [stdout]     |
[INFO] [stdout] 160 |         let mut m: Vec<Pgid> = Vec::with_capacity(self.pending_count());
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pgid`
[INFO] [stdout]    --> src/freelist.rs:225:13
[INFO] [stdout]     |
[INFO] [stdout] 225 |         let pgid = freelist.allocate(1);
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_pgid`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `freelist`
[INFO] [stdout]    --> src/freelist.rs:240:17
[INFO] [stdout]     |
[INFO] [stdout] 240 |         let mut freelist = FreeList {
[INFO] [stdout]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_freelist`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/freelist.rs:240:13
[INFO] [stdout]     |
[INFO] [stdout] 240 |         let mut freelist = FreeList {
[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/freelist.rs:259:13
[INFO] [stdout]     |
[INFO] [stdout] 259 |         let mut freelist = FreeList {
[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/node.rs:608:21
[INFO] [stdout]     |
[INFO] [stdout] 608 |         if let Some(mut p) = parent_node {
[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/node.rs:643:13
[INFO] [stdout]     |
[INFO] [stdout] 643 |         let mut node1 = NodeImpl::new().leaf(true).build();
[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/page.rs:255:13
[INFO] [stdout]     |
[INFO] [stdout] 255 |         let mut v = a.leaf_page_elements_mut();
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sequence` is never read
[INFO] [stdout]    --> src/bucket.rs:370:16
[INFO] [stdout]     |
[INFO] [stdout] 368 | pub(crate) struct IBucket {
[INFO] [stdout]     |                   ------- field in this struct
[INFO] [stdout] 369 |     pub(crate) root: Pgid,
[INFO] [stdout] 370 |     pub(crate) sequence: u64,
[INFO] [stdout]     |                ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `IBucket` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `value` is never used
[INFO] [stdout]   --> src/cursor.rs:37:19
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl<'a> Item<'a> {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub(crate) fn value(&self) -> Option<&'a [u8]> {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `last`, `prev`, and `delete` are never used
[INFO] [stdout]    --> src/cursor.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 80  | impl<'a> Cursor<'a> {
[INFO] [stdout]     | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 118 |     fn last(&mut self) {}
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 145 |     fn prev(&mut self) {}
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 146 |
[INFO] [stdout] 147 |     fn delete(&mut self) {}
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `no_grow_sync`, `read_only`, and `mmap_flags` are never read
[INFO] [stdout]    --> src/db.rs:219:5
[INFO] [stdout]     |
[INFO] [stdout] 218 | pub struct Options {
[INFO] [stdout]     |            ------- fields in this struct
[INFO] [stdout] 219 |     no_grow_sync: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 220 |
[INFO] [stdout] 221 |     read_only: bool,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 222 |
[INFO] [stdout] 223 |     mmap_flags: u32,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Options` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `root` is never used
[INFO] [stdout]    --> src/node.rs:270:19
[INFO] [stdout]     |
[INFO] [stdout] 60  | impl Node {
[INFO] [stdout]     | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 270 |     pub(crate) fn root(&self, node: Node) -> Node {
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `PageFlag` is never used
[INFO] [stdout]   --> src/page.rs:20:17
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub(crate) type PageFlag = u16;
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `magic` should have an upper case name
[INFO] [stdout]   --> src/lib.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub(crate) const magic: u32 = 0xED0CDAED;
[INFO] [stdout]    |                  ^^^^^ help: convert the identifier to upper case: `MAGIC`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `version` should have an upper case name
[INFO] [stdout]   --> src/lib.rs:11:18
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub(crate) const version: u32 = 2;
[INFO] [stdout]    |                  ^^^^^^^ help: convert the identifier to upper case: `VERSION`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BucketHeaderSize` should have an upper case name
[INFO] [stdout]   --> src/bucket.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub(crate) const BucketHeaderSize: usize = size_of::<IBucket>();
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `BUCKET_HEADER_SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/db.rs:167:9
[INFO] [stdout]     |
[INFO] [stdout] 167 |         drop(self.mmap.as_deref());
[INFO] [stdout]     |         ^^^^^--------------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `Option<&[u8]>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `metaA` should have a snake case name
[INFO] [stdout]    --> src/db.rs:188:21
[INFO] [stdout]     |
[INFO] [stdout] 188 |             let mut metaA = self.meta0;
[INFO] [stdout]     |                     ^^^^^ help: convert the identifier to snake case: `meta_a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `metaB` should have a snake case name
[INFO] [stdout]    --> src/db.rs:189:21
[INFO] [stdout]     |
[INFO] [stdout] 189 |             let mut metaB = self.meta1;
[INFO] [stdout]     |                     ^^^^^ help: convert the identifier to snake case: `meta_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/db.rs:478:9
[INFO] [stdout]     |
[INFO] [stdout] 478 |         tx1.commit();
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 478 |         let _ = tx1.commit();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/db.rs:482:9
[INFO] [stdout]     |
[INFO] [stdout] 482 |         b.put(b"001", b"aaa");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 482 |         let _ = b.put(b"001", b"aaa");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/db.rs:483:9
[INFO] [stdout]     |
[INFO] [stdout] 483 |         b.put(b"002", b"bbb");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 483 |         let _ = b.put(b"002", b"bbb");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/db.rs:484:9
[INFO] [stdout]     |
[INFO] [stdout] 484 |         b.put(b"003", b"ccc");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 484 |         let _ = b.put(b"003", b"ccc");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/db.rs:485:9
[INFO] [stdout]     |
[INFO] [stdout] 485 |         b.put(b"004", b"ddd");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 485 |         let _ = b.put(b"004", b"ddd");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/db.rs:486:9
[INFO] [stdout]     |
[INFO] [stdout] 486 |         tx2.commit();
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 486 |         let _ = tx2.commit();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/db.rs:491:9
[INFO] [stdout]     |
[INFO] [stdout] 491 |         b.delete(b"001");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 491 |         let _ = b.delete(b"001");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/db.rs:492:9
[INFO] [stdout]     |
[INFO] [stdout] 492 |         tx3.commit();
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 492 |         let _ = tx3.commit();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MetaSize` should have an upper case name
[INFO] [stdout]   --> src/page.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub(crate) const MetaSize: usize = size_of::<Meta>();
[INFO] [stdout]    |                  ^^^^^^^^ help: convert the identifier to upper case: `META_SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LeafPageElementSize` should have an upper case name
[INFO] [stdout]   --> src/page.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub(crate) const LeafPageElementSize: usize = size_of::<LeafPageElement>();
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `LEAF_PAGE_ELEMENT_SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BranchPageElementSize` should have an upper case name
[INFO] [stdout]   --> src/page.rs:16:18
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub(crate) const BranchPageElementSize: usize = size_of::<BranchPageElement>();
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `BRANCH_PAGE_ELEMENT_SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BranchPageFlag` should have an upper case name
[INFO] [stdout]   --> src/page.rs:22:18
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub(crate) const BranchPageFlag: u16 = 0x01;
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `BRANCH_PAGE_FLAG`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LeafPageFlag` should have an upper case name
[INFO] [stdout]   --> src/page.rs:23:18
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub(crate) const LeafPageFlag: u16 = 0x02;
[INFO] [stdout]    |                  ^^^^^^^^^^^^ help: convert the identifier to upper case: `LEAF_PAGE_FLAG`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MetaPageFlag` should have an upper case name
[INFO] [stdout]   --> src/page.rs:24:18
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub(crate) const MetaPageFlag: u16 = 0x04;
[INFO] [stdout]    |                  ^^^^^^^^^^^^ help: convert the identifier to upper case: `META_PAGE_FLAG`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FreeListPageFlag` should have an upper case name
[INFO] [stdout]   --> src/page.rs:25:18
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub(crate) const FreeListPageFlag: u16 = 0x10;
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `FREE_LIST_PAGE_FLAG`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BucketLeafFlag` should have an upper case name
[INFO] [stdout]   --> src/page.rs:27:18
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub(crate) const BucketLeafFlag: u32 = 0x01;
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `BUCKET_LEAF_FLAG`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `dbImpl` should have a snake case name
[INFO] [stdout]    --> src/tx.rs:145:5
[INFO] [stdout]     |
[INFO] [stdout] 145 |     dbImpl: Arc<DBImpl>,
[INFO] [stdout]     |     ^^^^^^ help: convert the identifier to snake case: `db_impl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 58 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.66s
[INFO] running `Command { std: "docker" "inspect" "63f1f88aad0a0b5cbc83aa424ea479710320e0705d3dc7ca84686ef2f179965c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63f1f88aad0a0b5cbc83aa424ea479710320e0705d3dc7ca84686ef2f179965c", kill_on_drop: false }`
[INFO] [stdout] 63f1f88aad0a0b5cbc83aa424ea479710320e0705d3dc7ca84686ef2f179965c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] baaa16e0e8e3bb2e9c0bc86bb5e4f42eb87d6d13581a1d1846dd16cc9ce6d2d6
[INFO] running `Command { std: "docker" "start" "-a" "baaa16e0e8e3bb2e9c0bc86bb5e4f42eb87d6d13581a1d1846dd16cc9ce6d2d6", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]  --> src/cursor.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::str;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around match arm expression
[INFO] [stderr]    --> src/cursor.rs:230:30
[INFO] [stderr]     |
[INFO] [stderr] 230 |                     Ok(v) => (v),
[INFO] [stderr]     |                              ^ ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 230 -                     Ok(v) => (v),
[INFO] [stderr] 230 +                     Ok(v) => v,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around match arm expression
[INFO] [stderr]    --> src/cursor.rs:231:31
[INFO] [stderr]     |
[INFO] [stderr] 231 |                     Err(e) => (e),
[INFO] [stderr]     |                               ^ ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 231 -                     Err(e) => (e),
[INFO] [stderr] 231 +                     Err(e) => e,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around match arm expression
[INFO] [stderr]    --> src/cursor.rs:238:30
[INFO] [stderr]     |
[INFO] [stderr] 238 |                     Ok(v) => (v),
[INFO] [stderr]     |                              ^ ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 238 -                     Ok(v) => (v),
[INFO] [stderr] 238 +                     Ok(v) => v,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around match arm expression
[INFO] [stderr]    --> src/cursor.rs:239:31
[INFO] [stderr]     |
[INFO] [stderr] 239 |                     Err(e) => (e),
[INFO] [stderr]     |                               ^ ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 239 -                     Err(e) => (e),
[INFO] [stderr] 239 +                     Err(e) => e,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]  --> src/error.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fmt;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `NKError`
[INFO] [stderr]  --> src/tx.rs:3:20
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::error::{NKError, NKResult};
[INFO] [stderr]   |                    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Page`
[INFO] [stderr]  --> src/tx.rs:4:36
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::page::{Meta, OwnerPage, Page, Pgid};
[INFO] [stderr]   |                                    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `RwLock`
[INFO] [stderr]   --> src/tx.rs:10:22
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::sync::{Arc, RwLock, Weak};
[INFO] [stderr]    |                      ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/bucket.rs:357:17
[INFO] [stderr]     |
[INFO] [stderr] 357 |             let mut root = n.clone();
[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: unused variable: `index`
[INFO] [stderr]    --> src/cursor.rs:122:21
[INFO] [stderr]     |
[INFO] [stderr] 122 |             let mut index: usize = 0;
[INFO] [stderr]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/cursor.rs:122:17
[INFO] [stderr]     |
[INFO] [stderr] 122 |             let mut index: usize = 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/cursor.rs:283:13
[INFO] [stderr]     |
[INFO] [stderr] 283 |         let mut elem = self.stack.first().unwrap();
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]    --> src/freelist.rs:160:17
[INFO] [stderr]     |
[INFO] [stderr] 160 |         let mut m: Vec<Pgid> = Vec::with_capacity(self.pending_count());
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/freelist.rs:160:13
[INFO] [stderr]     |
[INFO] [stderr] 160 |         let mut m: Vec<Pgid> = Vec::with_capacity(self.pending_count());
[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/node.rs:608:21
[INFO] [stderr]     |
[INFO] [stderr] 608 |         if let Some(mut p) = parent_node {
[INFO] [stderr]     |                     ----^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field `sequence` is never read
[INFO] [stderr]    --> src/bucket.rs:370:16
[INFO] [stderr]     |
[INFO] [stderr] 368 | pub(crate) struct IBucket {
[INFO] [stderr]     |                   ------- field in this struct
[INFO] [stderr] 369 |     pub(crate) root: Pgid,
[INFO] [stderr] 370 |     pub(crate) sequence: u64,
[INFO] [stderr]     |                ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `IBucket` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `value` is never used
[INFO] [stderr]   --> src/cursor.rs:37:19
[INFO] [stderr]    |
[INFO] [stderr] 24 | impl<'a> Item<'a> {
[INFO] [stderr]    | ----------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 37 |     pub(crate) fn value(&self) -> Option<&'a [u8]> {
[INFO] [stderr]    |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `last`, `prev`, and `delete` are never used
[INFO] [stderr]    --> src/cursor.rs:118:8
[INFO] [stderr]     |
[INFO] [stderr] 80  | impl<'a> Cursor<'a> {
[INFO] [stderr]     | ------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 118 |     fn last(&mut self) {}
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 145 |     fn prev(&mut self) {}
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] 146 |
[INFO] [stderr] 147 |     fn delete(&mut self) {}
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `print` is never used
[INFO] [stderr]   --> src/db.rs:97:8
[INFO] [stderr]    |
[INFO] [stderr] 28 | impl DB {
[INFO] [stderr]    | ------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 97 |     fn print(&self) {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `no_grow_sync`, `read_only`, and `mmap_flags` are never read
[INFO] [stderr]    --> src/db.rs:219:5
[INFO] [stderr]     |
[INFO] [stderr] 218 | pub struct Options {
[INFO] [stderr]     |            ------- fields in this struct
[INFO] [stderr] 219 |     no_grow_sync: bool,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 220 |
[INFO] [stderr] 221 |     read_only: bool,
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stderr] 222 |
[INFO] [stderr] 223 |     mmap_flags: u32,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Options` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: method `print` is never used
[INFO] [stderr]    --> src/db.rs:271:8
[INFO] [stderr]     |
[INFO] [stderr] 235 | impl DBImpl {
[INFO] [stderr]     | ----------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 271 |     fn print(&self) {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `print` and `root` are never used
[INFO] [stderr]    --> src/node.rs:109:19
[INFO] [stderr]     |
[INFO] [stderr] 60  | impl Node {
[INFO] [stderr]     | --------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 109 |     pub(crate) fn print(&self, db: &DBImpl) {
[INFO] [stderr]     |                   ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 270 |     pub(crate) fn root(&self, node: Node) -> Node {
[INFO] [stderr]     |                   ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `MetaSize` is never used
[INFO] [stderr]   --> src/page.rs:12:18
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub(crate) const MetaSize: usize = size_of::<Meta>();
[INFO] [stderr]    |                  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `PageFlag` is never used
[INFO] [stderr]   --> src/page.rs:20:17
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub(crate) type PageFlag = u16;
[INFO] [stderr]    |                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `magic` should have an upper case name
[INFO] [stderr]   --> src/lib.rs:10:18
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub(crate) const magic: u32 = 0xED0CDAED;
[INFO] [stderr]    |                  ^^^^^ help: convert the identifier to upper case: `MAGIC`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `version` should have an upper case name
[INFO] [stderr]   --> src/lib.rs:11:18
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub(crate) const version: u32 = 2;
[INFO] [stderr]    |                  ^^^^^^^ help: convert the identifier to upper case: `VERSION`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `BucketHeaderSize` should have an upper case name
[INFO] [stderr]   --> src/bucket.rs:14:18
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub(crate) const BucketHeaderSize: usize = size_of::<IBucket>();
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `BUCKET_HEADER_SIZE`
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stderr]    --> src/db.rs:167:9
[INFO] [stderr]     |
[INFO] [stderr] 167 |         drop(self.mmap.as_deref());
[INFO] [stderr]     |         ^^^^^--------------------^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              argument has type `Option<&[u8]>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `metaA` should have a snake case name
[INFO] [stderr]    --> src/db.rs:188:21
[INFO] [stderr]     |
[INFO] [stderr] 188 |             let mut metaA = self.meta0;
[INFO] [stderr]     |                     ^^^^^ help: convert the identifier to snake case: `meta_a`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `metaB` should have a snake case name
[INFO] [stderr]    --> src/db.rs:189:21
[INFO] [stderr]     |
[INFO] [stderr] 189 |             let mut metaB = self.meta1;
[INFO] [stderr]     |                     ^^^^^ help: convert the identifier to snake case: `meta_b`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `MetaSize` should have an upper case name
[INFO] [stderr]   --> src/page.rs:12:18
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub(crate) const MetaSize: usize = size_of::<Meta>();
[INFO] [stderr]    |                  ^^^^^^^^ help: convert the identifier to upper case: `META_SIZE`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `LeafPageElementSize` should have an upper case name
[INFO] [stderr]   --> src/page.rs:14:18
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub(crate) const LeafPageElementSize: usize = size_of::<LeafPageElement>();
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `LEAF_PAGE_ELEMENT_SIZE`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `BranchPageElementSize` should have an upper case name
[INFO] [stderr]   --> src/page.rs:16:18
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub(crate) const BranchPageElementSize: usize = size_of::<BranchPageElement>();
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `BRANCH_PAGE_ELEMENT_SIZE`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `BranchPageFlag` should have an upper case name
[INFO] [stderr]   --> src/page.rs:22:18
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub(crate) const BranchPageFlag: u16 = 0x01;
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `BRANCH_PAGE_FLAG`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `LeafPageFlag` should have an upper case name
[INFO] [stderr]   --> src/page.rs:23:18
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub(crate) const LeafPageFlag: u16 = 0x02;
[INFO] [stderr]    |                  ^^^^^^^^^^^^ help: convert the identifier to upper case: `LEAF_PAGE_FLAG`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `MetaPageFlag` should have an upper case name
[INFO] [stderr]   --> src/page.rs:24:18
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub(crate) const MetaPageFlag: u16 = 0x04;
[INFO] [stderr]    |                  ^^^^^^^^^^^^ help: convert the identifier to upper case: `META_PAGE_FLAG`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `FreeListPageFlag` should have an upper case name
[INFO] [stderr]   --> src/page.rs:25:18
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub(crate) const FreeListPageFlag: u16 = 0x10;
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `FREE_LIST_PAGE_FLAG`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `BucketLeafFlag` should have an upper case name
[INFO] [stderr]   --> src/page.rs:27:18
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub(crate) const BucketLeafFlag: u32 = 0x01;
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `BUCKET_LEAF_FLAG`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `dbImpl` should have a snake case name
[INFO] [stderr]    --> src/tx.rs:145:5
[INFO] [stderr]     |
[INFO] [stderr] 145 |     dbImpl: Arc<DBImpl>,
[INFO] [stderr]     |     ^^^^^^ help: convert the identifier to snake case: `db_impl`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]    --> src/db.rs:424:9
[INFO] [stderr]     |
[INFO] [stderr] 424 |     use std::thread;
[INFO] [stderr]     |         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ptr::null_mut`
[INFO] [stderr]    --> src/node.rs:634:9
[INFO] [stderr]     |
[INFO] [stderr] 634 |     use std::ptr::null_mut;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `tx` is assigned to, but never used
[INFO] [stderr]    --> src/db.rs:429:17
[INFO] [stderr]     |
[INFO] [stderr] 429 |         let mut tx = unsafe { (&*(db.0.mmap.try_read().unwrap().meta0)).txid };
[INFO] [stderr]     |                 ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_tx` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `tx` is never read
[INFO] [stderr]    --> src/db.rs:440:9
[INFO] [stderr]     |
[INFO] [stderr] 440 |         tx = unsafe { (&*(db.0.mmap.try_read().unwrap().meta0)).txid };
[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: unused variable: `e`
[INFO] [stderr]    --> src/db.rs:451:21
[INFO] [stderr]     |
[INFO] [stderr] 451 |                 Err(e) => panic!("create bucket error"),
[INFO] [stderr]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/db.rs:475:13
[INFO] [stderr]     |
[INFO] [stderr] 475 |         let mut db = DBImpl::open("./test.db", DEFAULT_OPTIONS).unwrap();
[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/db.rs:498:13
[INFO] [stderr]     |
[INFO] [stderr] 498 |         let mut db = DBImpl::open("./test.db", DEFAULT_OPTIONS).unwrap();
[INFO] [stderr]     |             ----^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pgid`
[INFO] [stderr]    --> src/freelist.rs:225:13
[INFO] [stderr]     |
[INFO] [stderr] 225 |         let pgid = freelist.allocate(1);
[INFO] [stderr]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_pgid`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `freelist`
[INFO] [stderr]    --> src/freelist.rs:240:17
[INFO] [stderr]     |
[INFO] [stderr] 240 |         let mut freelist = FreeList {
[INFO] [stderr]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_freelist`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/freelist.rs:240:13
[INFO] [stderr]     |
[INFO] [stderr] 240 |         let mut freelist = FreeList {
[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/freelist.rs:259:13
[INFO] [stderr]     |
[INFO] [stderr] 259 |         let mut freelist = FreeList {
[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/node.rs:643:13
[INFO] [stderr]     |
[INFO] [stderr] 643 |         let mut node1 = NodeImpl::new().leaf(true).build();
[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/page.rs:255:13
[INFO] [stderr]     |
[INFO] [stderr] 255 |         let mut v = a.leaf_page_elements_mut();
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: method `root` is never used
[INFO] [stderr]    --> src/node.rs:270:19
[INFO] [stderr]     |
[INFO] [stderr] 60  | impl Node {
[INFO] [stderr]     | --------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 270 |     pub(crate) fn root(&self, node: Node) -> Node {
[INFO] [stderr]     |                   ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/db.rs:478:9
[INFO] [stderr]     |
[INFO] [stderr] 478 |         tx1.commit();
[INFO] [stderr]     |         ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 478 |         let _ = tx1.commit();
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/db.rs:482:9
[INFO] [stderr]     |
[INFO] [stderr] 482 |         b.put(b"001", b"aaa");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 482 |         let _ = b.put(b"001", b"aaa");
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/db.rs:483:9
[INFO] [stderr]     |
[INFO] [stderr] 483 |         b.put(b"002", b"bbb");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 483 |         let _ = b.put(b"002", b"bbb");
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/db.rs:484:9
[INFO] [stderr]     |
[INFO] [stderr] 484 |         b.put(b"003", b"ccc");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 484 |         let _ = b.put(b"003", b"ccc");
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/db.rs:485:9
[INFO] [stderr]     |
[INFO] [stderr] 485 |         b.put(b"004", b"ddd");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 485 |         let _ = b.put(b"004", b"ddd");
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/db.rs:486:9
[INFO] [stderr]     |
[INFO] [stderr] 486 |         tx2.commit();
[INFO] [stderr]     |         ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 486 |         let _ = tx2.commit();
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/db.rs:491:9
[INFO] [stderr]     |
[INFO] [stderr] 491 |         b.delete(b"001");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 491 |         let _ = b.delete(b"001");
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/db.rs:492:9
[INFO] [stderr]     |
[INFO] [stderr] 492 |         tx3.commit();
[INFO] [stderr]     |         ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 492 |         let _ = tx3.commit();
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `nikidb` (lib) generated 40 warnings (run `cargo fix --lib -p nikidb` to apply 16 suggestions)
[INFO] [stderr] warning: `nikidb` (lib test) generated 58 warnings (36 duplicates) (run `cargo fix --lib -p nikidb --tests` to apply 11 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nikidb-78c0dacea1317dda)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test node::tests::test_node_new ... ok
[INFO] [stdout] test freelist::tests::test_copy_all ... ok
[INFO] [stdout] test freelist::tests::test_count ... ok
[INFO] [stdout] test freelist::tests::test_freelist_allocate ... ok
[INFO] [stdout] test page::tests::test_meta_len ... ok
[INFO] [stdout] test page::tests::test_page_size ... ok
[INFO] [stdout] test db::tests::test_tx_delete ... FAILED
[INFO] [stdout] test db::tests::test_tx_create_bucket ... FAILED
[INFO] [stdout] test db::tests::test_db_print ... FAILED
[INFO] [stdout] test db::tests::test_db_mmap ... FAILED
[INFO] [stdout] test page::tests::test_struct_to_slice ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout] ---- db::tests::test_tx_delete stdout ----
[INFO] [stdout] thread 'db::tests::test_tx_delete' panicked at src/db.rs:475:65:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: DBOpenFail(Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" })
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x560489231106 - std::backtrace_rs::backtrace::libunwind::trace::h261606ad26a499c1
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x560489231106 - std::backtrace_rs::backtrace::trace_unsynchronized::hd183f0625477fb28
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x560489231106 - std::sys_common::backtrace::_print_fmt::hd7f8fef21b4eda67
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x560489231106 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h623d9b51f2f453f1
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x560489259fb0 - core::fmt::rt::Argument::fmt::h9f417ac76a86f368
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x560489259fb0 - core::fmt::write::hc9b6faf4ac2aeff7
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x56048922eaaf - std::io::Write::write_fmt::he04625a3a989fec3
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x560489230ee4 - std::sys_common::backtrace::_print::hd5d66399c7df88a2
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x560489230ee4 - std::sys_common::backtrace::print::he81ed2da642d37e5
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x560489232c57 - std::panicking::default_hook::{{closure}}::h85773f4fa117163d
[INFO] [stdout]   10:     0x56048923293d - std::panicking::default_hook::h6a1694a91d09b278
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x5604891e3b47 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h616ac37fa3cd6c8f
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x5604891e3b47 - test::test_main::{{closure}}::h00d84697cefdcbb6
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x560489233276 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcb3fe3b9bb537ba8
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x560489233276 - std::panicking::rust_panic_with_hook::h0a7ad96e90f7145b
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x560489232fc2 - std::panicking::begin_panic_handler::{{closure}}::h7919090525c6485e
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x560489231606 - std::sys_common::backtrace::__rust_end_short_backtrace::hf3289479464f7dfe
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x560489232d20 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x560489153db5 - core::panicking::panic_fmt::hcc9f77c5c132af55
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x560489154353 - core::result::unwrap_failed::hbe14f498be1452f9
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/result.rs:1649:5
[INFO] [stdout]   20:     0x5604891953a8 - core::result::Result<T,E>::unwrap::h3439d5998f3e6722
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/result.rs:1073:23
[INFO] [stdout]   21:     0x56048919b654 - nikidb::db::tests::test_tx_delete::hacdaa483eb519398
[INFO] [stdout]                                at /opt/rustwide/workdir/src/db.rs:475:22
[INFO] [stdout]   22:     0x56048919b5f7 - nikidb::db::tests::test_tx_delete::{{closure}}::h620e702fdbabd79a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/db.rs:474:24
[INFO] [stdout]   23:     0x5604891918b6 - core::ops::function::FnOnce::call_once::hcca23f83bf3229d4
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5604891e941f - core::ops::function::FnOnce::call_once::hd64d26f405258157
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5604891e941f - test::__rust_begin_short_backtrace::he21b0b7a6d731bf9
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:627:18
[INFO] [stdout]   26:     0x5604891e81a1 - test::run_test_in_process::{{closure}}::hf5c73986d7bdfde2
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:650:60
[INFO] [stdout]   27:     0x5604891e81a1 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h330011ad032aadc0
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x5604891e81a1 - std::panicking::try::do_call::he61b0a958b795a41
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:552:40
[INFO] [stdout]   29:     0x5604891e81a1 - std::panicking::try::h7309da130f906eb7
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:516:19
[INFO] [stdout]   30:     0x5604891e81a1 - std::panic::catch_unwind::hc5c3a06fdaf0a92a
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x5604891e81a1 - test::run_test_in_process::h7e7b7c71c3324e0f
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:650:27
[INFO] [stdout]   32:     0x5604891e81a1 - test::run_test::{{closure}}::h1f509f28f5cf20b1
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:573:43
[INFO] [stdout]   33:     0x5604891af4d6 - test::run_test::{{closure}}::h1754218abf443f6d
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:601:41
[INFO] [stdout]   34:     0x5604891af4d6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h2ee174b9d5954948
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x5604891b4537 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hf60bee9c1a17ef09
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x5604891b4537 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h33d0dddec5216160
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x5604891b4537 - std::panicking::try::do_call::h144b3048b546f835
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:552:40
[INFO] [stdout]   38:     0x5604891b4537 - std::panicking::try::h978244d04646189f
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:516:19
[INFO] [stdout]   39:     0x5604891b4537 - std::panic::catch_unwind::hdf436369d188fe86
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x5604891b4537 - std::thread::Builder::spawn_unchecked_::{{closure}}::h87329cbdd33c79ec
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x5604891b4537 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h401abbe67897d450
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x560489237d35 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5d7c8f150ab9c84c
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   43:     0x560489237d35 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h570d5b005c242c15
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   44:     0x560489237d35 - std::sys::unix::thread::Thread::new::thread_start::h36b0a20c0b2361ad
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7f4ae3681ac3 - <unknown>
[INFO] [stdout]   46:     0x7f4ae3712bf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- db::tests::test_tx_create_bucket stdout ----
[INFO] [stdout] thread 'db::tests::test_tx_create_bucket' panicked at src/db.rs:445:61:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: DBOpenFail(Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" })
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x560489231106 - std::backtrace_rs::backtrace::libunwind::trace::h261606ad26a499c1
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x560489231106 - std::backtrace_rs::backtrace::trace_unsynchronized::hd183f0625477fb28
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x560489231106 - std::sys_common::backtrace::_print_fmt::hd7f8fef21b4eda67
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x560489231106 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h623d9b51f2f453f1
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x560489259fb0 - core::fmt::rt::Argument::fmt::h9f417ac76a86f368
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x560489259fb0 - core::fmt::write::hc9b6faf4ac2aeff7
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x56048922eaaf - std::io::Write::write_fmt::he04625a3a989fec3
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x560489230ee4 - std::sys_common::backtrace::_print::hd5d66399c7df88a2
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x560489230ee4 - std::sys_common::backtrace::print::he81ed2da642d37e5
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x560489232c57 - std::panicking::default_hook::{{closure}}::h85773f4fa117163d
[INFO] [stdout]   10:     0x56048923293d - std::panicking::default_hook::h6a1694a91d09b278
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x5604891e3b47 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h616ac37fa3cd6c8f
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x5604891e3b47 - test::test_main::{{closure}}::h00d84697cefdcbb6
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x560489233276 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcb3fe3b9bb537ba8
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x560489233276 - std::panicking::rust_panic_with_hook::h0a7ad96e90f7145b
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x560489232fc2 - std::panicking::begin_panic_handler::{{closure}}::h7919090525c6485e
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x560489231606 - std::sys_common::backtrace::__rust_end_short_backtrace::hf3289479464f7dfe
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x560489232d20 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x560489153db5 - core::panicking::panic_fmt::hcc9f77c5c132af55
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x560489154353 - core::result::unwrap_failed::hbe14f498be1452f9
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/result.rs:1649:5
[INFO] [stdout]   20:     0x5604891953a8 - core::result::Result<T,E>::unwrap::h3439d5998f3e6722
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/result.rs:1073:23
[INFO] [stdout]   21:     0x56048919ad2a - nikidb::db::tests::test_tx_create_bucket::h2d653c7c532e282f
[INFO] [stdout]                                at /opt/rustwide/workdir/src/db.rs:445:18
[INFO] [stdout]   22:     0x56048919acc7 - nikidb::db::tests::test_tx_create_bucket::{{closure}}::h345b34b559d49095
[INFO] [stdout]                                at /opt/rustwide/workdir/src/db.rs:444:31
[INFO] [stdout]   23:     0x560489191ab6 - core::ops::function::FnOnce::call_once::he0c5f12f365fde65
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5604891e941f - core::ops::function::FnOnce::call_once::hd64d26f405258157
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5604891e941f - test::__rust_begin_short_backtrace::he21b0b7a6d731bf9
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:627:18
[INFO] [stdout]   26:     0x5604891e81a1 - test::run_test_in_process::{{closure}}::hf5c73986d7bdfde2
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:650:60
[INFO] [stdout]   27:     0x5604891e81a1 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h330011ad032aadc0
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x5604891e81a1 - std::panicking::try::do_call::he61b0a958b795a41
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:552:40
[INFO] [stdout]   29:     0x5604891e81a1 - std::panicking::try::h7309da130f906eb7
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:516:19
[INFO] [stdout]   30:     0x5604891e81a1 - std::panic::catch_unwind::hc5c3a06fdaf0a92a
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x5604891e81a1 - test::run_test_in_process::h7e7b7c71c3324e0f
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:650:27
[INFO] [stdout]   32:     0x5604891e81a1 - test::run_test::{{closure}}::h1f509f28f5cf20b1
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:573:43
[INFO] [stdout]   33:     0x5604891af4d6 - test::run_test::{{closure}}::h1754218abf443f6d
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:601:41
[INFO] [stdout]   34:     0x5604891af4d6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h2ee174b9d5954948
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x5604891b4537 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hf60bee9c1a17ef09
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x5604891b4537 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h33d0dddec5216160
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x5604891b4537 - std::panicking::try::do_call::h144b3048b546f835
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:552:40
[INFO] [stdout]   38:     0x5604891b4537 - std::panicking::try::h978244d04646189f
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:516:19
[INFO] [stdout]   39:     0x5604891b4537 - std::panic::catch_unwind::hdf436369d188fe86
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x5604891b4537 - std::thread::Builder::spawn_unchecked_::{{closure}}::h87329cbdd33c79ec
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x5604891b4537 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h401abbe67897d450
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x560489237d35 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5d7c8f150ab9c84c
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   43:     0x560489237d35 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h570d5b005c242c15
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   44:     0x560489237d35 - std::sys::unix::thread::Thread::new::thread_start::h36b0a20c0b2361ad
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7f4ae3681ac3 - <unknown>
[INFO] [stdout]   46:     0x7f4ae3712bf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- db::tests::test_db_print stdout ----
[INFO] [stdout] thread 'db::tests::test_db_print' panicked at src/db.rs:498:65:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: DBOpenFail(Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" })
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x560489231106 - std::backtrace_rs::backtrace::libunwind::trace::h261606ad26a499c1
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x560489231106 - std::backtrace_rs::backtrace::trace_unsynchronized::hd183f0625477fb28
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x560489231106 - std::sys_common::backtrace::_print_fmt::hd7f8fef21b4eda67
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x560489231106 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h623d9b51f2f453f1
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x560489259fb0 - core::fmt::rt::Argument::fmt::h9f417ac76a86f368
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x560489259fb0 - core::fmt::write::hc9b6faf4ac2aeff7
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x56048922eaaf - std::io::Write::write_fmt::he04625a3a989fec3
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x560489230ee4 - std::sys_common::backtrace::_print::hd5d66399c7df88a2
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x560489230ee4 - std::sys_common::backtrace::print::he81ed2da642d37e5
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x560489232c57 - std::panicking::default_hook::{{closure}}::h85773f4fa117163d
[INFO] [stdout]   10:     0x56048923293d - std::panicking::default_hook::h6a1694a91d09b278
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x5604891e3b47 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h616ac37fa3cd6c8f
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x5604891e3b47 - test::test_main::{{closure}}::h00d84697cefdcbb6
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x560489233276 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcb3fe3b9bb537ba8
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x560489233276 - std::panicking::rust_panic_with_hook::h0a7ad96e90f7145b
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x560489232fc2 - std::panicking::begin_panic_handler::{{closure}}::h7919090525c6485e
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x560489231606 - std::sys_common::backtrace::__rust_end_short_backtrace::hf3289479464f7dfe
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x560489232d20 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x560489153db5 - core::panicking::panic_fmt::hcc9f77c5c132af55
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x560489154353 - core::result::unwrap_failed::hbe14f498be1452f9
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/result.rs:1649:5
[INFO] [stdout]   20:     0x5604891953a8 - core::result::Result<T,E>::unwrap::h3439d5998f3e6722
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/result.rs:1073:23
[INFO] [stdout]   21:     0x56048919bacf - nikidb::db::tests::test_db_print::hb4b10d858dd215a3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/db.rs:498:22
[INFO] [stdout]   22:     0x56048919ba77 - nikidb::db::tests::test_db_print::{{closure}}::hd4ac38e97da0b853
[INFO] [stdout]                                at /opt/rustwide/workdir/src/db.rs:497:23
[INFO] [stdout]   23:     0x560489191b36 - core::ops::function::FnOnce::call_once::he219905ef966bfe1
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5604891e941f - core::ops::function::FnOnce::call_once::hd64d26f405258157
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5604891e941f - test::__rust_begin_short_backtrace::he21b0b7a6d731bf9
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:627:18
[INFO] [stdout]   26:     0x5604891e81a1 - test::run_test_in_process::{{closure}}::hf5c73986d7bdfde2
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:650:60
[INFO] [stdout]   27:     0x5604891e81a1 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h330011ad032aadc0
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x5604891e81a1 - std::panicking::try::do_call::he61b0a958b795a41
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:552:40
[INFO] [stdout]   29:     0x5604891e81a1 - std::panicking::try::h7309da130f906eb7
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:516:19
[INFO] [stdout]   30:     0x5604891e81a1 - std::panic::catch_unwind::hc5c3a06fdaf0a92a
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x5604891e81a1 - test::run_test_in_process::h7e7b7c71c3324e0f
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:650:27
[INFO] [stdout]   32:     0x5604891e81a1 - test::run_test::{{closure}}::h1f509f28f5cf20b1
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:573:43
[INFO] [stdout]   33:     0x5604891af4d6 - test::run_test::{{closure}}::h1754218abf443f6d
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:601:41
[INFO] [stdout]   34:     0x5604891af4d6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h2ee174b9d5954948
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x5604891b4537 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hf60bee9c1a17ef09
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x5604891b4537 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h33d0dddec5216160
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x5604891b4537 - std::panicking::try::do_call::h144b3048b546f835
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:552:40
[INFO] [stdout]   38:     0x5604891b4537 - std::panicking::try::h978244d04646189f
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:516:19
[INFO] [stdout]   39:     0x5604891b4537 - std::panic::catch_unwind::hdf436369d188fe86
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x5604891b4537 - std::thread::Builder::spawn_unchecked_::{{closure}}::h87329cbdd33c79ec
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x5604891b4537 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h401abbe67897d450
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x560489237d35 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5d7c8f150ab9c84c
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   43:     0x560489237d35 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h570d5b005c242c15
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   44:     0x560489237d35 - std::sys::unix::thread::Thread::new::thread_start::h36b0a20c0b2361ad
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7f4ae3681ac3 - <unknown>
[INFO] [stdout]   46:     0x7f4ae3712bf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- db::tests::test_db_mmap stdout ----
[INFO] [stdout] thread 'db::tests::test_db_mmap' panicked at src/db.rs:428:61:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: DBOpenFail(Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" })
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x560489231106 - std::backtrace_rs::backtrace::libunwind::trace::h261606ad26a499c1
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x560489231106 - std::backtrace_rs::backtrace::trace_unsynchronized::hd183f0625477fb28
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x560489231106 - std::sys_common::backtrace::_print_fmt::hd7f8fef21b4eda67
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x560489231106 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h623d9b51f2f453f1
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x560489259fb0 - core::fmt::rt::Argument::fmt::h9f417ac76a86f368
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x560489259fb0 - core::fmt::write::hc9b6faf4ac2aeff7
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x56048922eaaf - std::io::Write::write_fmt::he04625a3a989fec3
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x560489230ee4 - std::sys_common::backtrace::_print::hd5d66399c7df88a2
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x560489230ee4 - std::sys_common::backtrace::print::he81ed2da642d37e5
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x560489232c57 - std::panicking::default_hook::{{closure}}::h85773f4fa117163d
[INFO] [stdout]   10:     0x56048923293d - std::panicking::default_hook::h6a1694a91d09b278
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x5604891e3b47 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h616ac37fa3cd6c8f
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x5604891e3b47 - test::test_main::{{closure}}::h00d84697cefdcbb6
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x560489233276 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcb3fe3b9bb537ba8
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x560489233276 - std::panicking::rust_panic_with_hook::h0a7ad96e90f7145b
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x560489232fc2 - std::panicking::begin_panic_handler::{{closure}}::h7919090525c6485e
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x560489231606 - std::sys_common::backtrace::__rust_end_short_backtrace::hf3289479464f7dfe
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x560489232d20 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x560489153db5 - core::panicking::panic_fmt::hcc9f77c5c132af55
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x560489154353 - core::result::unwrap_failed::hbe14f498be1452f9
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/result.rs:1649:5
[INFO] [stdout]   20:     0x5604891953a8 - core::result::Result<T,E>::unwrap::h3439d5998f3e6722
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/result.rs:1073:23
[INFO] [stdout]   21:     0x56048919a8e3 - nikidb::db::tests::test_db_mmap::hb60fdbcbaf998564
[INFO] [stdout]                                at /opt/rustwide/workdir/src/db.rs:428:18
[INFO] [stdout]   22:     0x56048919a877 - nikidb::db::tests::test_db_mmap::{{closure}}::hf7fb1303431af91d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/db.rs:427:22
[INFO] [stdout]   23:     0x560489191576 - core::ops::function::FnOnce::call_once::h663c89f0bd8d510a
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5604891e941f - core::ops::function::FnOnce::call_once::hd64d26f405258157
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5604891e941f - test::__rust_begin_short_backtrace::he21b0b7a6d731bf9
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:627:18
[INFO] [stdout]   26:     0x5604891e81a1 - test::run_test_in_process::{{closure}}::hf5c73986d7bdfde2
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:650:60
[INFO] [stdout]   27:     0x5604891e81a1 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h330011ad032aadc0
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x5604891e81a1 - std::panicking::try::do_call::he61b0a958b795a41
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:552:40
[INFO] [stdout]   29:     0x5604891e81a1 - std::panicking::try::h7309da130f906eb7
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:516:19
[INFO] [stdout]   30:     0x5604891e81a1 - std::panic::catch_unwind::hc5c3a06fdaf0a92a
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x5604891e81a1 - test::run_test_in_process::h7e7b7c71c3324e0f
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:650:27
[INFO] [stdout]   32:     0x5604891e81a1 - test::run_test::{{closure}}::h1f509f28f5cf20b1
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:573:43
[INFO] [stdout]   33:     0x5604891af4d6 - test::run_test::{{closure}}::h1754218abf443f6d
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:601:41
[INFO] [stdout]   34:     0x5604891af4d6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h2ee174b9d5954948
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x5604891b4537 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hf60bee9c1a17ef09
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x5604891b4537 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h33d0dddec5216160
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x5604891b4537 - std::panicking::try::do_call::h144b3048b546f835
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:552:40
[INFO] [stdout]   38:     0x5604891b4537 - std::panicking::try::h978244d04646189f
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:516:19
[INFO] [stdout]   39:     0x5604891b4537 - std::panic::catch_unwind::hdf436369d188fe86
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x5604891b4537 - std::thread::Builder::spawn_unchecked_::{{closure}}::h87329cbdd33c79ec
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x5604891b4537 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h401abbe67897d450
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x560489237d35 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5d7c8f150ab9c84c
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   43:     0x560489237d35 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h570d5b005c242c15
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   44:     0x560489237d35 - std::sys::unix::thread::Thread::new::thread_start::h36b0a20c0b2361ad
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7f4ae3681ac3 - <unknown>
[INFO] [stdout]   46:     0x7f4ae3712bf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- page::tests::test_struct_to_slice stdout ----
[INFO] [stdout] id:100
[INFO] [stdout] thread 'page::tests::test_struct_to_slice' panicked at src/page.rs:256:9:
[INFO] [stdout] index out of bounds: the len is 0 but the index is 0
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x560489231106 - std::backtrace_rs::backtrace::libunwind::trace::h261606ad26a499c1
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x560489231106 - std::backtrace_rs::backtrace::trace_unsynchronized::hd183f0625477fb28
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x560489231106 - std::sys_common::backtrace::_print_fmt::hd7f8fef21b4eda67
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x560489231106 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h623d9b51f2f453f1
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x560489259fb0 - core::fmt::rt::Argument::fmt::h9f417ac76a86f368
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x560489259fb0 - core::fmt::write::hc9b6faf4ac2aeff7
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x56048922eaaf - std::io::Write::write_fmt::he04625a3a989fec3
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x560489230ee4 - std::sys_common::backtrace::_print::hd5d66399c7df88a2
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x560489230ee4 - std::sys_common::backtrace::print::he81ed2da642d37e5
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x560489232c57 - std::panicking::default_hook::{{closure}}::h85773f4fa117163d
[INFO] [stdout]   10:     0x56048923293d - std::panicking::default_hook::h6a1694a91d09b278
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x5604891e3b47 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h616ac37fa3cd6c8f
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x5604891e3b47 - test::test_main::{{closure}}::h00d84697cefdcbb6
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x560489233276 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcb3fe3b9bb537ba8
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x560489233276 - std::panicking::rust_panic_with_hook::h0a7ad96e90f7145b
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x560489232fc2 - std::panicking::begin_panic_handler::{{closure}}::h7919090525c6485e
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x560489231606 - std::sys_common::backtrace::__rust_end_short_backtrace::hf3289479464f7dfe
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x560489232d20 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x560489153db5 - core::panicking::panic_fmt::hcc9f77c5c132af55
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x560489153f92 - core::panicking::panic_bounds_check::h24e82910cb718d54
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panicking.rs:208:5
[INFO] [stdout]   20:     0x5604891a4d04 - nikidb::page::tests::test_struct_to_slice::hd32f525093c4160e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/page.rs:256:9
[INFO] [stdout]   21:     0x5604891a4b17 - nikidb::page::tests::test_struct_to_slice::{{closure}}::h0f99b1f5616e9867
[INFO] [stdout]                                at /opt/rustwide/workdir/src/page.rs:250:30
[INFO] [stdout]   22:     0x560489191876 - core::ops::function::FnOnce::call_once::hcbdfcb77ce785081
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5604891e941f - core::ops::function::FnOnce::call_once::hd64d26f405258157
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5604891e941f - test::__rust_begin_short_backtrace::he21b0b7a6d731bf9
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:627:18
[INFO] [stdout]   25:     0x5604891e81a1 - test::run_test_in_process::{{closure}}::hf5c73986d7bdfde2
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:650:60
[INFO] [stdout]   26:     0x5604891e81a1 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h330011ad032aadc0
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x5604891e81a1 - std::panicking::try::do_call::he61b0a958b795a41
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:552:40
[INFO] [stdout]   28:     0x5604891e81a1 - std::panicking::try::h7309da130f906eb7
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:516:19
[INFO] [stdout]   29:     0x5604891e81a1 - std::panic::catch_unwind::hc5c3a06fdaf0a92a
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panic.rs:142:14
[INFO] [stdout]   30:     0x5604891e81a1 - test::run_test_in_process::h7e7b7c71c3324e0f
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:650:27
[INFO] [stdout]   31:     0x5604891e81a1 - test::run_test::{{closure}}::h1f509f28f5cf20b1
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:573:43
[INFO] [stdout]   32:     0x5604891af4d6 - test::run_test::{{closure}}::h1754218abf443f6d
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:601:41
[INFO] [stdout]   33:     0x5604891af4d6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h2ee174b9d5954948
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   34:     0x5604891b4537 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hf60bee9c1a17ef09
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   35:     0x5604891b4537 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h33d0dddec5216160
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x5604891b4537 - std::panicking::try::do_call::h144b3048b546f835
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:552:40
[INFO] [stdout]   37:     0x5604891b4537 - std::panicking::try::h978244d04646189f
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:516:19
[INFO] [stdout]   38:     0x5604891b4537 - std::panic::catch_unwind::hdf436369d188fe86
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panic.rs:142:14
[INFO] [stdout]   39:     0x5604891b4537 - std::thread::Builder::spawn_unchecked_::{{closure}}::h87329cbdd33c79ec
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   40:     0x5604891b4537 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h401abbe67897d450
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x560489237d35 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5d7c8f150ab9c84c
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   42:     0x560489237d35 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h570d5b005c242c15
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   43:     0x560489237d35 - std::sys::unix::thread::Thread::new::thread_start::h36b0a20c0b2361ad
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   44:     0x7f4ae3681ac3 - <unknown>
[INFO] [stdout]   45:     0x7f4ae3712bf4 - __clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     db::tests::test_db_mmap
[INFO] [stdout]     db::tests::test_db_print
[INFO] [stdout]     db::tests::test_tx_create_bucket
[INFO] [stdout]     db::tests::test_tx_delete
[INFO] [stdout]     page::tests::test_struct_to_slice
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 6 passed; 5 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "baaa16e0e8e3bb2e9c0bc86bb5e4f42eb87d6d13581a1d1846dd16cc9ce6d2d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baaa16e0e8e3bb2e9c0bc86bb5e4f42eb87d6d13581a1d1846dd16cc9ce6d2d6", kill_on_drop: false }`
[INFO] [stdout] baaa16e0e8e3bb2e9c0bc86bb5e4f42eb87d6d13581a1d1846dd16cc9ce6d2d6
