[INFO] fetching crate nikidb 0.1.1...
[INFO] testing nikidb-0.1.1 against nightly-2024-10-28+rustflags=-Zrandomize-layout for randomize-layout
[INFO] extracting crate nikidb 0.1.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate nikidb 0.1.1 on toolchain nightly-2024-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "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-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 45 packages to latest compatible versions
[INFO] [stderr]       Adding crc v1.8.1 (available: v3.2.1)
[INFO] [stderr]       Adding integer-encoding v3.0.4 (available: v4.0.2)
[INFO] [stderr]       Adding lock_api v0.1.5 (available: v0.4.12)
[INFO] [stderr]       Adding memoffset v0.6.5 (available: v0.9.1)
[INFO] [stderr]       Adding page_size v0.4.2 (available: v0.6.0)
[INFO] [stderr]       Adding parking_lot v0.7.1 (available: v0.12.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51ac19fa7e4849d6bd671f7a5d832b5f3f589031b7d3a007db0cf39f78d93682
[INFO] running `Command { std: "docker" "start" "-a" "51ac19fa7e4849d6bd671f7a5d832b5f3f589031b7d3a007db0cf39f78d93682", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51ac19fa7e4849d6bd671f7a5d832b5f3f589031b7d3a007db0cf39f78d93682", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51ac19fa7e4849d6bd671f7a5d832b5f3f589031b7d3a007db0cf39f78d93682", kill_on_drop: false }`
[INFO] [stdout] 51ac19fa7e4849d6bd671f7a5d832b5f3f589031b7d3a007db0cf39f78d93682
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=forbid -Zrandomize-layout" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 813fb61f20466ed53da5b1b63963639b082d0419cbec159e4a9d4d939b00be77
[INFO] running `Command { std: "docker" "start" "-a" "813fb61f20466ed53da5b1b63963639b082d0419cbec159e4a9d4d939b00be77", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[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 memoffset v0.6.5
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling thiserror v1.0.66
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling integer-encoding v3.0.4
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[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_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling page_size v0.4.2
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling syn v2.0.86
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.66
[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: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 167 -         drop(self.mmap.as_deref());
[INFO] [stdout] 167 +         let _ = self.mmap.as_deref();
[INFO] [stdout]     |
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.58s
[INFO] running `Command { std: "docker" "inspect" "813fb61f20466ed53da5b1b63963639b082d0419cbec159e4a9d4d939b00be77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "813fb61f20466ed53da5b1b63963639b082d0419cbec159e4a9d4d939b00be77", kill_on_drop: false }`
[INFO] [stdout] 813fb61f20466ed53da5b1b63963639b082d0419cbec159e4a9d4d939b00be77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=forbid -Zrandomize-layout" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5efcab48b1aec7f55d564d802ce5d1abb74ba33befd75f6a2c6277e699b93f7b
[INFO] running `Command { std: "docker" "start" "-a" "5efcab48b1aec7f55d564d802ce5d1abb74ba33befd75f6a2c6277e699b93f7b", 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] [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: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 167 -         drop(self.mmap.as_deref());
[INFO] [stdout] 167 +         let _ = self.mmap.as_deref();
[INFO] [stdout]     |
[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] [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::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: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 167 -         drop(self.mmap.as_deref());
[INFO] [stdout] 167 +         let _ = self.mmap.as_deref();
[INFO] [stdout]     |
[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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "5efcab48b1aec7f55d564d802ce5d1abb74ba33befd75f6a2c6277e699b93f7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5efcab48b1aec7f55d564d802ce5d1abb74ba33befd75f6a2c6277e699b93f7b", kill_on_drop: false }`
[INFO] [stdout] 5efcab48b1aec7f55d564d802ce5d1abb74ba33befd75f6a2c6277e699b93f7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=forbid -Zrandomize-layout" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5c6e603bd3b8a85c9a73db213985adcdfe7850380c6213a3c133222ef088465d
[INFO] running `Command { std: "docker" "start" "-a" "5c6e603bd3b8a85c9a73db213985adcdfe7850380c6213a3c133222ef088465d", 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: `#[warn(dropping_copy_types)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]     |
[INFO] [stderr] 167 -         drop(self.mmap.as_deref());
[INFO] [stderr] 167 +         let _ = self.mmap.as_deref();
[INFO] [stderr]     |
[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 14 suggestions)
[INFO] [stderr] warning: `nikidb` (lib test) generated 58 warnings (36 duplicates) (run `cargo fix --lib -p nikidb --tests` to apply 8 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nikidb-290da54c791afe88)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[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 node::tests::test_node_new ... 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_db_mmap ... FAILED
[INFO] [stdout] test db::tests::test_db_print ... FAILED
[INFO] [stdout] test db::tests::test_tx_create_bucket ... FAILED
[INFO] [stdout] test db::tests::test_tx_delete ... FAILED
[INFO] [stdout] test page::tests::test_struct_to_slice ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[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:     0x56874c2886ba - std::backtrace_rs::backtrace::libunwind::trace::h207520d6e9873551
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x56874c2886ba - std::backtrace_rs::backtrace::trace_unsynchronized::h2ed7433f370e3eca
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x56874c2886ba - std::sys::backtrace::_print_fmt::h916fac51166b18d7
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x56874c2886ba - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha0a4c9b8ce3802e6
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x56874c2aed63 - core::fmt::rt::Argument::fmt::h4cfc8587d52b3eb5
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x56874c2aed63 - core::fmt::write::h522cc39e5b36ae9f
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/fmt/mod.rs:1190:21
[INFO] [stdout]    6:     0x56874c285283 - std::io::Write::write_fmt::h7d3c26752da97734
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/io/mod.rs:1839:15
[INFO] [stdout]    7:     0x56874c288502 - std::sys::backtrace::BacktraceLock::print::h4b9e00b29e9c0942
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x56874c289b4a - std::panicking::default_hook::{{closure}}::hb59b88280d0324d9
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x56874c289954 - std::panicking::default_hook::he1dd496665be4a29
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x56874c2374e9 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h4ff71de18744e1dc
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/alloc/src/boxed.rs:2468:9
[INFO] [stdout]   11:     0x56874c2374e9 - test::test_main::{{closure}}::hcf7c055ce117aa81
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/test/src/lib.rs:133:21
[INFO] [stdout]   12:     0x56874c28a248 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h1d66c6bbd60c9692
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/alloc/src/boxed.rs:2468:9
[INFO] [stdout]   13:     0x56874c28a248 - std::panicking::rust_panic_with_hook::h2ff17fe8f26dfcf8
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x56874c28a00a - std::panicking::begin_panic_handler::{{closure}}::h4fad77951c07e101
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x56874c288b99 - std::sys::backtrace::__rust_end_short_backtrace::hb1a25b3da5d0ea08
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x56874c289c9c - rust_begin_unwind
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x56874c2ad760 - core::panicking::panic_fmt::ha9db07b529f9b256
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/panicking.rs:75:14
[INFO] [stdout]   18:     0x56874c2adba6 - core::result::unwrap_failed::h5e8218e4d4338b8a
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/result.rs:1698:5
[INFO] [stdout]   19:     0x56874c1d07a5 - core::result::Result<T,E>::unwrap::h7b0fdc98d4870d33
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/result.rs:1103:23
[INFO] [stdout]   20:     0x56874c1d07a5 - nikidb::db::tests::test_db_mmap::hcdf22a86740b643d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/db.rs:428:18
[INFO] [stdout]   21:     0x56874c1d06d7 - nikidb::db::tests::test_db_mmap::{{closure}}::h3348395c2bdefe74
[INFO] [stdout]                                at /opt/rustwide/workdir/src/db.rs:427:22
[INFO] [stdout]   22:     0x56874c1c6f36 - core::ops::function::FnOnce::call_once::h6b2faadbb630894b
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x56874c23bdbb - core::ops::function::FnOnce::call_once::h22c3ba5715e93f05
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x56874c23bdbb - test::__rust_begin_short_backtrace::h8e82d8113d0da17f
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/test/src/lib.rs:621:18
[INFO] [stdout]   25:     0x56874c23b737 - test::run_test_in_process::{{closure}}::h33235f4f20b7b7c7
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/test/src/lib.rs:644:60
[INFO] [stdout]   26:     0x56874c23b737 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb5043206310c586f
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x56874c23b737 - std::panicking::try::do_call::h9ad4731a60ab23e2
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:557:40
[INFO] [stdout]   28:     0x56874c23b737 - std::panicking::try::h3824d23db772a716
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:520:19
[INFO] [stdout]   29:     0x56874c23b737 - std::panic::catch_unwind::h5afd514605fde46b
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panic.rs:358:14
[INFO] [stdout]   30:     0x56874c23b737 - test::run_test_in_process::h0d5cbfa7067d1720
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/test/src/lib.rs:644:27
[INFO] [stdout]   31:     0x56874c23b737 - test::run_test::{{closure}}::h708eb8872708115d
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/test/src/lib.rs:565:43
[INFO] [stdout]   32:     0x56874c1fee54 - test::run_test::{{closure}}::h392c51cee94713ab
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/test/src/lib.rs:595:41
[INFO] [stdout]   33:     0x56874c1fee54 - std::sys::backtrace::__rust_begin_short_backtrace::h2f40290710935a8b
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   34:     0x56874c2025fe - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h3fd968d89053a903
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/thread/mod.rs:541:17
[INFO] [stdout]   35:     0x56874c2025fe - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h743f637ba4229880
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x56874c2025fe - std::panicking::try::do_call::h07440897322525a6
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:557:40
[INFO] [stdout]   37:     0x56874c2025fe - std::panicking::try::he5a2e00188156637
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:520:19
[INFO] [stdout]   38:     0x56874c2025fe - std::panic::catch_unwind::hbaf3cae49b3c6433
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panic.rs:358:14
[INFO] [stdout]   39:     0x56874c2025fe - std::thread::Builder::spawn_unchecked_::{{closure}}::h8e141ea224820bce
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/thread/mod.rs:540:30
[INFO] [stdout]   40:     0x56874c2025fe - core::ops::function::FnOnce::call_once{{vtable.shim}}::h90d312fedd7b8ea8
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x56874c28e04b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h69aa08ddb6adb8b6
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/alloc/src/boxed.rs:2454:9
[INFO] [stdout]   42:     0x56874c28e04b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5aa36efdb79c806f
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/alloc/src/boxed.rs:2454:9
[INFO] [stdout]   43:     0x56874c28e04b - std::sys::pal::unix::thread::Thread::new::thread_start::h6cd80a1b4be5158d
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   44:     0x7836af98bac3 - <unknown>
[INFO] [stdout]   45:     0x7836afa1ca04 - clone
[INFO] [stdout]   46:                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:     0x56874c2886ba - std::backtrace_rs::backtrace::libunwind::trace::h207520d6e9873551
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x56874c2886ba - std::backtrace_rs::backtrace::trace_unsynchronized::h2ed7433f370e3eca
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x56874c2886ba - std::sys::backtrace::_print_fmt::h916fac51166b18d7
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x56874c2886ba - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha0a4c9b8ce3802e6
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x56874c2aed63 - core::fmt::rt::Argument::fmt::h4cfc8587d52b3eb5
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x56874c2aed63 - core::fmt::write::h522cc39e5b36ae9f
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/fmt/mod.rs:1190:21
[INFO] [stdout]    6:     0x56874c285283 - std::io::Write::write_fmt::h7d3c26752da97734
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/io/mod.rs:1839:15
[INFO] [stdout]    7:     0x56874c288502 - std::sys::backtrace::BacktraceLock::print::h4b9e00b29e9c0942
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x56874c289b4a - std::panicking::default_hook::{{closure}}::hb59b88280d0324d9
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x56874c289954 - std::panicking::default_hook::he1dd496665be4a29
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x56874c2374e9 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h4ff71de18744e1dc
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/alloc/src/boxed.rs:2468:9
[INFO] [stdout]   11:     0x56874c2374e9 - test::test_main::{{closure}}::hcf7c055ce117aa81
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/test/src/lib.rs:133:21
[INFO] [stdout]   12:     0x56874c28a248 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h1d66c6bbd60c9692
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/alloc/src/boxed.rs:2468:9
[INFO] [stdout]   13:     0x56874c28a248 - std::panicking::rust_panic_with_hook::h2ff17fe8f26dfcf8
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x56874c28a00a - std::panicking::begin_panic_handler::{{closure}}::h4fad77951c07e101
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x56874c288b99 - std::sys::backtrace::__rust_end_short_backtrace::hb1a25b3da5d0ea08
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x56874c289c9c - rust_begin_unwind
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x56874c2ad760 - core::panicking::panic_fmt::ha9db07b529f9b256
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/panicking.rs:75:14
[INFO] [stdout]   18:     0x56874c2adba6 - core::result::unwrap_failed::h5e8218e4d4338b8a
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/result.rs:1698:5
[INFO] [stdout]   19:     0x56874c1d23c4 - core::result::Result<T,E>::unwrap::h7b0fdc98d4870d33
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/result.rs:1103:23
[INFO] [stdout]   20:     0x56874c1d23c4 - nikidb::db::tests::test_db_print::h51e226641ea8b4d5
[INFO] [stdout]                                at /opt/rustwide/workdir/src/db.rs:498:22
[INFO] [stdout]   21:     0x56874c1d2317 - nikidb::db::tests::test_db_print::{{closure}}::hc48fbf823e9e911a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/db.rs:497:23
[INFO] [stdout]   22:     0x56874c1c7126 - core::ops::function::FnOnce::call_once::h8dd6aa66d40d1544
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x56874c23bdbb - core::ops::function::FnOnce::call_once::h22c3ba5715e93f05
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x56874c23bdbb - test::__rust_begin_short_backtrace::h8e82d8113d0da17f
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/test/src/lib.rs:621:18
[INFO] [stdout]   25:     0x56874c23b737 - test::run_test_in_process::{{closure}}::h33235f4f20b7b7c7
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/test/src/lib.rs:644:60
[INFO] [stdout]   26:     0x56874c23b737 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb5043206310c586f
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x56874c23b737 - std::panicking::try::do_call::h9ad4731a60ab23e2
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:557:40
[INFO] [stdout]   28:     0x56874c23b737 - std::panicking::try::h3824d23db772a716
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:520:19
[INFO] [stdout]   29:     0x56874c23b737 - std::panic::catch_unwind::h5afd514605fde46b
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panic.rs:358:14
[INFO] [stdout]   30:     0x56874c23b737 - test::run_test_in_process::h0d5cbfa7067d1720
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/test/src/lib.rs:644:27
[INFO] [stdout]   31:     0x56874c23b737 - test::run_test::{{closure}}::h708eb8872708115d
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/test/src/lib.rs:565:43
[INFO] [stdout]   32:     0x56874c1fee54 - test::run_test::{{closure}}::h392c51cee94713ab
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/test/src/lib.rs:595:41
[INFO] [stdout]   33:     0x56874c1fee54 - std::sys::backtrace::__rust_begin_short_backtrace::h2f40290710935a8b
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   34:     0x56874c2025fe - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h3fd968d89053a903
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/thread/mod.rs:541:17
[INFO] [stdout]   35:     0x56874c2025fe - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h743f637ba4229880
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x56874c2025fe - std::panicking::try::do_call::h07440897322525a6
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:557:40
[INFO] [stdout]   37:     0x56874c2025fe - std::panicking::try::he5a2e00188156637
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:520:19
[INFO] [stdout]   38:     0x56874c2025fe - std::panic::catch_unwind::hbaf3cae49b3c6433
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panic.rs:358:14
[INFO] [stdout]   39:     0x56874c2025fe - std::thread::Builder::spawn_unchecked_::{{closure}}::h8e141ea224820bce
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/thread/mod.rs:540:30
[INFO] [stdout]   40:     0x56874c2025fe - core::ops::function::FnOnce::call_once{{vtable.shim}}::h90d312fedd7b8ea8
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x56874c28e04b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h69aa08ddb6adb8b6
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/alloc/src/boxed.rs:2454:9
[INFO] [stdout]   42:     0x56874c28e04b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5aa36efdb79c806f
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/alloc/src/boxed.rs:2454:9
[INFO] [stdout]   43:     0x56874c28e04b - std::sys::pal::unix::thread::Thread::new::thread_start::h6cd80a1b4be5158d
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   44:     0x7836af98bac3 - <unknown>
[INFO] [stdout]   45:     0x7836afa1ca04 - clone
[INFO] [stdout]   46:                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:     0x56874c2886ba - std::backtrace_rs::backtrace::libunwind::trace::h207520d6e9873551
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x56874c2886ba - std::backtrace_rs::backtrace::trace_unsynchronized::h2ed7433f370e3eca
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x56874c2886ba - std::sys::backtrace::_print_fmt::h916fac51166b18d7
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x56874c2886ba - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha0a4c9b8ce3802e6
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x56874c2aed63 - core::fmt::rt::Argument::fmt::h4cfc8587d52b3eb5
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x56874c2aed63 - core::fmt::write::h522cc39e5b36ae9f
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/fmt/mod.rs:1190:21
[INFO] [stdout]    6:     0x56874c285283 - std::io::Write::write_fmt::h7d3c26752da97734
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/io/mod.rs:1839:15
[INFO] [stdout]    7:     0x56874c288502 - std::sys::backtrace::BacktraceLock::print::h4b9e00b29e9c0942
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x56874c289b4a - std::panicking::default_hook::{{closure}}::hb59b88280d0324d9
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x56874c289954 - std::panicking::default_hook::he1dd496665be4a29
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x56874c2374e9 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h4ff71de18744e1dc
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/alloc/src/boxed.rs:2468:9
[INFO] [stdout]   11:     0x56874c2374e9 - test::test_main::{{closure}}::hcf7c055ce117aa81
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/test/src/lib.rs:133:21
[INFO] [stdout]   12:     0x56874c28a248 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h1d66c6bbd60c9692
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/alloc/src/boxed.rs:2468:9
[INFO] [stdout]   13:     0x56874c28a248 - std::panicking::rust_panic_with_hook::h2ff17fe8f26dfcf8
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x56874c28a00a - std::panicking::begin_panic_handler::{{closure}}::h4fad77951c07e101
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x56874c288b99 - std::sys::backtrace::__rust_end_short_backtrace::hb1a25b3da5d0ea08
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x56874c289c9c - rust_begin_unwind
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x56874c2ad760 - core::panicking::panic_fmt::ha9db07b529f9b256
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/panicking.rs:75:14
[INFO] [stdout]   18:     0x56874c2adba6 - core::result::unwrap_failed::h5e8218e4d4338b8a
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/result.rs:1698:5
[INFO] [stdout]   19:     0x56874c1d0f05 - core::result::Result<T,E>::unwrap::h7b0fdc98d4870d33
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/result.rs:1103:23
[INFO] [stdout]   20:     0x56874c1d0f05 - nikidb::db::tests::test_tx_create_bucket::ha19456454f45aacf
[INFO] [stdout]                                at /opt/rustwide/workdir/src/db.rs:445:18
[INFO] [stdout]   21:     0x56874c1d0e37 - nikidb::db::tests::test_tx_create_bucket::{{closure}}::h291ae1a8795e5309
[INFO] [stdout]                                at /opt/rustwide/workdir/src/db.rs:444:31
[INFO] [stdout]   22:     0x56874c1c73d6 - core::ops::function::FnOnce::call_once::hc9a17faa90388ed9
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x56874c23bdbb - core::ops::function::FnOnce::call_once::h22c3ba5715e93f05
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x56874c23bdbb - test::__rust_begin_short_backtrace::h8e82d8113d0da17f
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/test/src/lib.rs:621:18
[INFO] [stdout]   25:     0x56874c23b737 - test::run_test_in_process::{{closure}}::h33235f4f20b7b7c7
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/test/src/lib.rs:644:60
[INFO] [stdout]   26:     0x56874c23b737 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb5043206310c586f
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x56874c23b737 - std::panicking::try::do_call::h9ad4731a60ab23e2
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:557:40
[INFO] [stdout]   28:     0x56874c23b737 - std::panicking::try::h3824d23db772a716
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:520:19
[INFO] [stdout]   29:     0x56874c23b737 - std::panic::catch_unwind::h5afd514605fde46b
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panic.rs:358:14
[INFO] [stdout]   30:     0x56874c23b737 - test::run_test_in_process::h0d5cbfa7067d1720
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/test/src/lib.rs:644:27
[INFO] [stdout]   31:     0x56874c23b737 - test::run_test::{{closure}}::h708eb8872708115d
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/test/src/lib.rs:565:43
[INFO] [stdout]   32:     0x56874c1fee54 - test::run_test::{{closure}}::h392c51cee94713ab
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/test/src/lib.rs:595:41
[INFO] [stdout]   33:     0x56874c1fee54 - std::sys::backtrace::__rust_begin_short_backtrace::h2f40290710935a8b
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   34:     0x56874c2025fe - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h3fd968d89053a903
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/thread/mod.rs:541:17
[INFO] [stdout]   35:     0x56874c2025fe - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h743f637ba4229880
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x56874c2025fe - std::panicking::try::do_call::h07440897322525a6
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:557:40
[INFO] [stdout]   37:     0x56874c2025fe - std::panicking::try::he5a2e00188156637
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:520:19
[INFO] [stdout]   38:     0x56874c2025fe - std::panic::catch_unwind::hbaf3cae49b3c6433
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panic.rs:358:14
[INFO] [stdout]   39:     0x56874c2025fe - std::thread::Builder::spawn_unchecked_::{{closure}}::h8e141ea224820bce
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/thread/mod.rs:540:30
[INFO] [stdout]   40:     0x56874c2025fe - core::ops::function::FnOnce::call_once{{vtable.shim}}::h90d312fedd7b8ea8
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x56874c28e04b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h69aa08ddb6adb8b6
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/alloc/src/boxed.rs:2454:9
[INFO] [stdout]   42:     0x56874c28e04b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5aa36efdb79c806f
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/alloc/src/boxed.rs:2454:9
[INFO] [stdout]   43:     0x56874c28e04b - std::sys::pal::unix::thread::Thread::new::thread_start::h6cd80a1b4be5158d
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   44:     0x7836af98bac3 - <unknown>
[INFO] [stdout]   45:     0x7836afa1ca04 - 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:     0x56874c2886ba - std::backtrace_rs::backtrace::libunwind::trace::h207520d6e9873551
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x56874c2886ba - std::backtrace_rs::backtrace::trace_unsynchronized::h2ed7433f370e3eca
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x56874c2886ba - std::sys::backtrace::_print_fmt::h916fac51166b18d7
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x56874c2886ba - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha0a4c9b8ce3802e6
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x56874c2aed63 - core::fmt::rt::Argument::fmt::h4cfc8587d52b3eb5
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x56874c2aed63 - core::fmt::write::h522cc39e5b36ae9f
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/fmt/mod.rs:1190:21
[INFO] [stdout]    6:     0x56874c285283 - std::io::Write::write_fmt::h7d3c26752da97734
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/io/mod.rs:1839:15
[INFO] [stdout]    7:     0x56874c288502 - std::sys::backtrace::BacktraceLock::print::h4b9e00b29e9c0942
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x56874c289b4a - std::panicking::default_hook::{{closure}}::hb59b88280d0324d9
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x56874c289954 - std::panicking::default_hook::he1dd496665be4a29
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x56874c2374e9 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h4ff71de18744e1dc
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/alloc/src/boxed.rs:2468:9
[INFO] [stdout]   11:     0x56874c2374e9 - test::test_main::{{closure}}::hcf7c055ce117aa81
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/test/src/lib.rs:133:21
[INFO] [stdout]   12:     0x56874c28a248 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h1d66c6bbd60c9692
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/alloc/src/boxed.rs:2468:9
[INFO] [stdout]   13:     0x56874c28a248 - std::panicking::rust_panic_with_hook::h2ff17fe8f26dfcf8
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x56874c28a00a - std::panicking::begin_panic_handler::{{closure}}::h4fad77951c07e101
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x56874c288b99 - std::sys::backtrace::__rust_end_short_backtrace::hb1a25b3da5d0ea08
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x56874c289c9c - rust_begin_unwind
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x56874c2ad760 - core::panicking::panic_fmt::ha9db07b529f9b256
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/panicking.rs:75:14
[INFO] [stdout]   18:     0x56874c2adba6 - core::result::unwrap_failed::h5e8218e4d4338b8a
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/result.rs:1698:5
[INFO] [stdout]   19:     0x56874c1d1c29 - core::result::Result<T,E>::unwrap::h7b0fdc98d4870d33
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/result.rs:1103:23
[INFO] [stdout]   20:     0x56874c1d1c29 - nikidb::db::tests::test_tx_delete::h6ea65b084f1b0ce3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/db.rs:475:22
[INFO] [stdout]   21:     0x56874c1d1b67 - nikidb::db::tests::test_tx_delete::{{closure}}::h756a50e2009c128a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/db.rs:474:24
[INFO] [stdout]   22:     0x56874c1c6e06 - core::ops::function::FnOnce::call_once::h41f65751a8c6d435
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x56874c23bdbb - core::ops::function::FnOnce::call_once::h22c3ba5715e93f05
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x56874c23bdbb - test::__rust_begin_short_backtrace::h8e82d8113d0da17f
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/test/src/lib.rs:621:18
[INFO] [stdout]   25:     0x56874c23b737 - test::run_test_in_process::{{closure}}::h33235f4f20b7b7c7
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/test/src/lib.rs:644:60
[INFO] [stdout]   26:     0x56874c23b737 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb5043206310c586f
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x56874c23b737 - std::panicking::try::do_call::h9ad4731a60ab23e2
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:557:40
[INFO] [stdout]   28:     0x56874c23b737 - std::panicking::try::h3824d23db772a716
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:520:19
[INFO] [stdout]   29:     0x56874c23b737 - std::panic::catch_unwind::h5afd514605fde46b
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panic.rs:358:14
[INFO] [stdout]   30:     0x56874c23b737 - test::run_test_in_process::h0d5cbfa7067d1720
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/test/src/lib.rs:644:27
[INFO] [stdout]   31:     0x56874c23b737 - test::run_test::{{closure}}::h708eb8872708115d
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/test/src/lib.rs:565:43
[INFO] [stdout]   32:     0x56874c1fee54 - test::run_test::{{closure}}::h392c51cee94713ab
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/test/src/lib.rs:595:41
[INFO] [stdout]   33:     0x56874c1fee54 - std::sys::backtrace::__rust_begin_short_backtrace::h2f40290710935a8b
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   34:     0x56874c2025fe - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h3fd968d89053a903
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/thread/mod.rs:541:17
[INFO] [stdout]   35:     0x56874c2025fe - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h743f637ba4229880
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x56874c2025fe - std::panicking::try::do_call::h07440897322525a6
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:557:40
[INFO] [stdout]   37:     0x56874c2025fe - std::panicking::try::he5a2e00188156637
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:520:19
[INFO] [stdout]   38:     0x56874c2025fe - std::panic::catch_unwind::hbaf3cae49b3c6433
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panic.rs:358:14
[INFO] [stdout]   39:     0x56874c2025fe - std::thread::Builder::spawn_unchecked_::{{closure}}::h8e141ea224820bce
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/thread/mod.rs:540:30
[INFO] [stdout]   40:     0x56874c2025fe - core::ops::function::FnOnce::call_once{{vtable.shim}}::h90d312fedd7b8ea8
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x56874c28e04b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h69aa08ddb6adb8b6
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/alloc/src/boxed.rs:2454:9
[INFO] [stdout]   42:     0x56874c28e04b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5aa36efdb79c806f
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/alloc/src/boxed.rs:2454:9
[INFO] [stdout]   43:     0x56874c28e04b - std::sys::pal::unix::thread::Thread::new::thread_start::h6cd80a1b4be5158d
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   44:     0x7836af98bac3 - <unknown>
[INFO] [stdout]   45:     0x7836afa1ca04 - clone
[INFO] [stdout]   46:                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:     0x56874c2886ba - std::backtrace_rs::backtrace::libunwind::trace::h207520d6e9873551
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x56874c2886ba - std::backtrace_rs::backtrace::trace_unsynchronized::h2ed7433f370e3eca
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x56874c2886ba - std::sys::backtrace::_print_fmt::h916fac51166b18d7
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x56874c2886ba - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha0a4c9b8ce3802e6
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x56874c2aed63 - core::fmt::rt::Argument::fmt::h4cfc8587d52b3eb5
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x56874c2aed63 - core::fmt::write::h522cc39e5b36ae9f
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/fmt/mod.rs:1190:21
[INFO] [stdout]    6:     0x56874c285283 - std::io::Write::write_fmt::h7d3c26752da97734
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/io/mod.rs:1839:15
[INFO] [stdout]    7:     0x56874c288502 - std::sys::backtrace::BacktraceLock::print::h4b9e00b29e9c0942
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x56874c289b4a - std::panicking::default_hook::{{closure}}::hb59b88280d0324d9
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x56874c289954 - std::panicking::default_hook::he1dd496665be4a29
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x56874c2374e9 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h4ff71de18744e1dc
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/alloc/src/boxed.rs:2468:9
[INFO] [stdout]   11:     0x56874c2374e9 - test::test_main::{{closure}}::hcf7c055ce117aa81
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/test/src/lib.rs:133:21
[INFO] [stdout]   12:     0x56874c28a248 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h1d66c6bbd60c9692
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/alloc/src/boxed.rs:2468:9
[INFO] [stdout]   13:     0x56874c28a248 - std::panicking::rust_panic_with_hook::h2ff17fe8f26dfcf8
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x56874c28a00a - std::panicking::begin_panic_handler::{{closure}}::h4fad77951c07e101
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x56874c288b99 - std::sys::backtrace::__rust_end_short_backtrace::hb1a25b3da5d0ea08
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x56874c289c9c - rust_begin_unwind
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x56874c2ad760 - core::panicking::panic_fmt::ha9db07b529f9b256
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/panicking.rs:75:14
[INFO] [stdout]   18:     0x56874c2ad8e1 - core::panicking::panic_bounds_check::heb9865f9a9adb6f2
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/panicking.rs:285:5
[INFO] [stdout]   19:     0x56874c1f7755 - nikidb::page::tests::test_struct_to_slice::h997a2e0ee25790d0
[INFO] [stdout]                                at /opt/rustwide/workdir/src/page.rs:256:9
[INFO] [stdout]   20:     0x56874c1f7587 - nikidb::page::tests::test_struct_to_slice::{{closure}}::h35cfacc0c9176ee4
[INFO] [stdout]                                at /opt/rustwide/workdir/src/page.rs:250:30
[INFO] [stdout]   21:     0x56874c1c70a6 - core::ops::function::FnOnce::call_once::h85f43730b3e2ff80
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x56874c23bdbb - core::ops::function::FnOnce::call_once::h22c3ba5715e93f05
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x56874c23bdbb - test::__rust_begin_short_backtrace::h8e82d8113d0da17f
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/test/src/lib.rs:621:18
[INFO] [stdout]   24:     0x56874c23b737 - test::run_test_in_process::{{closure}}::h33235f4f20b7b7c7
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/test/src/lib.rs:644:60
[INFO] [stdout]   25:     0x56874c23b737 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb5043206310c586f
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   26:     0x56874c23b737 - std::panicking::try::do_call::h9ad4731a60ab23e2
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:557:40
[INFO] [stdout]   27:     0x56874c23b737 - std::panicking::try::h3824d23db772a716
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:520:19
[INFO] [stdout]   28:     0x56874c23b737 - std::panic::catch_unwind::h5afd514605fde46b
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panic.rs:358:14
[INFO] [stdout]   29:     0x56874c23b737 - test::run_test_in_process::h0d5cbfa7067d1720
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/test/src/lib.rs:644:27
[INFO] [stdout]   30:     0x56874c23b737 - test::run_test::{{closure}}::h708eb8872708115d
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/test/src/lib.rs:565:43
[INFO] [stdout]   31:     0x56874c1fee54 - test::run_test::{{closure}}::h392c51cee94713ab
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/test/src/lib.rs:595:41
[INFO] [stdout]   32:     0x56874c1fee54 - std::sys::backtrace::__rust_begin_short_backtrace::h2f40290710935a8b
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   33:     0x56874c2025fe - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h3fd968d89053a903
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/thread/mod.rs:541:17
[INFO] [stdout]   34:     0x56874c2025fe - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h743f637ba4229880
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   35:     0x56874c2025fe - std::panicking::try::do_call::h07440897322525a6
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:557:40
[INFO] [stdout]   36:     0x56874c2025fe - std::panicking::try::he5a2e00188156637
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:520:19
[INFO] [stdout]   37:     0x56874c2025fe - std::panic::catch_unwind::hbaf3cae49b3c6433
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panic.rs:358:14
[INFO] [stdout]   38:     0x56874c2025fe - std::thread::Builder::spawn_unchecked_::{{closure}}::h8e141ea224820bce
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/thread/mod.rs:540:30
[INFO] [stdout]   39:     0x56874c2025fe - core::ops::function::FnOnce::call_once{{vtable.shim}}::h90d312fedd7b8ea8
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x56874c28e04b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h69aa08ddb6adb8b6
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/alloc/src/boxed.rs:2454:9
[INFO] [stdout]   41:     0x56874c28e04b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5aa36efdb79c806f
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/alloc/src/boxed.rs:2454:9
[INFO] [stdout]   42:     0x56874c28e04b - std::sys::pal::unix::thread::Thread::new::thread_start::h6cd80a1b4be5158d
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   43:     0x7836af98bac3 - <unknown>
[INFO] [stdout]   44:     0x7836afa1ca04 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     db::tests::test_db_mmap
[INFO] [stdout]     db::tests::test_db_print
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[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 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5c6e603bd3b8a85c9a73db213985adcdfe7850380c6213a3c133222ef088465d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c6e603bd3b8a85c9a73db213985adcdfe7850380c6213a3c133222ef088465d", kill_on_drop: false }`
[INFO] [stdout] 5c6e603bd3b8a85c9a73db213985adcdfe7850380c6213a3c133222ef088465d
