[INFO] cloning repository https://github.com/Aribertobello/arbfs-prototype
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Aribertobello/arbfs-prototype" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAribertobello%2Farbfs-prototype", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAribertobello%2Farbfs-prototype'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8f96524cb9ead3a1a8191a1197feb98160f2bca9
[INFO] testing Aribertobello/arbfs-prototype against 1.98.0-beta.1 for beta-1.98-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAribertobello%2Farbfs-prototype" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Aribertobello/arbfs-prototype
[INFO] finished tweaking git repo https://github.com/Aribertobello/arbfs-prototype
[INFO] tweaked toml for git repo https://github.com/Aribertobello/arbfs-prototype written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Aribertobello/arbfs-prototype on toolchain 1.98.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Aribertobello/arbfs-prototype already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 3fa7098d4884ea888ed7e9386858645bef889a237d0c9f071a813b9a6443edbf
[INFO] running `Command { std: "docker" "start" "3fa7098d4884ea888ed7e9386858645bef889a237d0c9f071a813b9a6443edbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fa7098d4884ea888ed7e9386858645bef889a237d0c9f071a813b9a6443edbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3fa7098d4884ea888ed7e9386858645bef889a237d0c9f071a813b9a6443edbf" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fa7098d4884ea888ed7e9386858645bef889a237d0c9f071a813b9a6443edbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3fa7098d4884ea888ed7e9386858645bef889a237d0c9f071a813b9a6443edbf" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling typenum v1.20.1
[INFO] [stderr]    Compiling rand_core v0.10.1
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]    Compiling cpufeatures v0.3.0
[INFO] [stderr]    Compiling const-oid v0.10.2
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling hashbrown v0.17.1
[INFO] [stderr]    Compiling diffs v0.5.1
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling chacha20 v0.10.0
[INFO] [stderr]    Compiling hybrid-array v0.4.12
[INFO] [stderr]    Compiling rand v0.10.1
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling crypto-common v0.2.2
[INFO] [stderr]    Compiling block-buffer v0.12.1
[INFO] [stderr]    Compiling cc v1.2.63
[INFO] [stderr]    Compiling zstd-sys v2.0.16+zstd.1.5.7
[INFO] [stderr]    Compiling digest v0.11.3
[INFO] [stderr]    Compiling sha2 v0.11.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling zstd v0.13.3
[INFO] [stderr]    Compiling arbfs-prototype v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt::Display`
[INFO] [stdout]  --> src/record/change.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fmt::Display;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::SystemTime`
[INFO] [stdout]  --> src/record/change.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::time::SystemTime;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/record/changekeeper.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DirEntry` and `File`
[INFO] [stdout]  --> src/record/changekeeper.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::{DirEntry, File};
[INFO] [stdout]   |               ^^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Error`
[INFO] [stdout]  --> src/record/changekeeper.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PathBuf` and `Path`
[INFO] [stdout]  --> src/record/changekeeper.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/record/changekeeper.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::errors::ArbfsErr`
[INFO] [stdout]  --> src/record/changekeeper.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::errors::ArbfsErr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FsTravelOperationKind` and `FsTravelOperation`
[INFO] [stdout]  --> src/record/changekeeper.rs:7:31
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::io::fs_operation::{FsTravelOperation, FsTravelOperationKind};
[INFO] [stdout]   |                               ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LinkedList`
[INFO] [stdout]  --> src/record/alters.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{LinkedList, VecDeque};
[INFO] [stdout]   |                        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/record/alters.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/record/arbmap.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/record/arbmap.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout] 100 |     (first_addressable_bits & size_minus_one)
[INFO] [stdout]     |     ^                                       ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 100 -     (first_addressable_bits & size_minus_one)
[INFO] [stdout] 100 +     first_addressable_bits & size_minus_one
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ffi::OsString`
[INFO] [stdout]  --> src/record/init_rec.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ffi::OsString;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ffi::OsString`
[INFO] [stdout]  --> src/record/init_changekeeper.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ffi::OsString;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/io/arbfs_reader.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{BufRead};
[INFO] [stdout]   |               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `OsString`
[INFO] [stdout]  --> src/io/utils.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ffi::{OsStr, OsString};
[INFO] [stdout]   |                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DirEntry`
[INFO] [stdout]  --> src/io/fs_traveler.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::fs::{DirEntry, ReadDir};
[INFO] [stdout]   |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `record::init_record::InitRecord`
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use record::init_record::InitRecord;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `record::init_rec::FilesystemNode`
[INFO] [stdout]   --> src/lib.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use record::init_rec::FilesystemNode;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tracing::instrument`
[INFO] [stdout]   --> src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use tracing::instrument;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/record/alters.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{Error, Read, Write};
[INFO] [stdout]   |                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `byte`
[INFO] [stdout]   --> src/record/change.rs:33:19
[INFO] [stdout]    |
[INFO] [stdout] 33 |         if let Ok(byte) =  reader.peek() {
[INFO] [stdout]    |                   ^^^^ help: if this is intentional, prefix it with an underscore: `_byte`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `alters`
[INFO] [stdout]   --> src/record/change.rs:42:34
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn receive_alters(&self, alters: Vec<AlterMessage>, snapshot: &[u8; 32]) {
[INFO] [stdout]    |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_alters`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `snapshot`
[INFO] [stdout]   --> src/record/change.rs:42:61
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn receive_alters(&self, alters: Vec<AlterMessage>, snapshot: &[u8; 32]) {
[INFO] [stdout]    |                                                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_snapshot`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> src/record/change.rs:63:24
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn read(&mut self, buf: &mut [u8]) -> std::io::Result<usize> {
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `init_snapshot_id`
[INFO] [stdout]   --> src/record/changekeeper.rs:34:16
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn new(init_snapshot_id: [u8; 32], file_names: Vec<String>, init_snapshot_changes: Vec<Change>) {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_init_snapshot_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `snap_summaries`
[INFO] [stdout]   --> src/record/changekeeper.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let snap_summaries = vec![snapshot_summary];
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_snap_summaries`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `snap_summaries_location_in_file`
[INFO] [stdout]   --> src/record/changekeeper.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let snap_summaries_location_in_file = file_names_location_in_file + file_names_capacity;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_snap_summaries_location_in_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ignore`
[INFO] [stdout]    --> src/record/alters.rs:210:9
[INFO] [stdout]     |
[INFO] [stdout] 210 |     let ignore = myers::diff(&mut  replace, &ref_lines, 0, ref_lines.len(), &comp_lines, 0, comp_lines.len())?;
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ignore`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new`
[INFO] [stdout]    --> src/record/alters.rs:262:50
[INFO] [stdout]     |
[INFO] [stdout] 262 |     fn delete(&mut self, old: usize, len: usize, new: usize) -> Result<(), Self::Error> {
[INFO] [stdout]     |                                                  ^^^ help: if this is intentional, prefix it with an underscore: `_new`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/record/alters.rs:329:9
[INFO] [stdout]     |
[INFO] [stdout] 329 |     let mut arbfs_reader = ArbfsReader::new(file);
[INFO] [stdout]     |         ----^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `alters`
[INFO] [stdout]    --> src/record/alters.rs:357:29
[INFO] [stdout]     |
[INFO] [stdout] 357 | fn apply_alters_change_file(alters: &[AlterMessage], change_file: AlterHistory) -> Result<(), Error> {
[INFO] [stdout]     |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_alters`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `change_file`
[INFO] [stdout]    --> src/record/alters.rs:357:54
[INFO] [stdout]     |
[INFO] [stdout] 357 | fn apply_alters_change_file(alters: &[AlterMessage], change_file: AlterHistory) -> Result<(), Error> {
[INFO] [stdout]     |                                                      ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_change_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `patch_file`
[INFO] [stdout]    --> src/record/alters.rs:362:16
[INFO] [stdout]     |
[INFO] [stdout] 362 | fn apply_patch(patch_file: &str, target_file: &str) {
[INFO] [stdout]     |                ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_patch_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target_file`
[INFO] [stdout]    --> src/record/alters.rs:362:34
[INFO] [stdout]     |
[INFO] [stdout] 362 | fn apply_patch(patch_file: &str, target_file: &str) {
[INFO] [stdout]     |                                  ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_target_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `change_list`
[INFO] [stdout]   --> src/record/init_record.rs:87:21
[INFO] [stdout]    |
[INFO] [stdout] 87 |                 let change_list = AlterHistory::new(reader, snapshot_hash);
[INFO] [stdout]    |                     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_change_list`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `change_list`
[INFO] [stdout]   --> src/record/init_rec.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 |             let change_list = AlterHistory::new(reader, &self.snapshot_hash);
[INFO] [stdout]    |                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_change_list`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `root_path`
[INFO] [stdout]   --> src/record/init_changekeeper.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn setup(&mut self, root_path: &PathBuf) -> Result<(), ArbfsErr> {
[INFO] [stdout]    |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_root_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/io/arbfs_writer.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let mut available_in_buff = BUFFER_SIZE - self.filled_bytes;
[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/io/utils.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let mut file_in = File::open(path_in)?;
[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/io/utils.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let mut file_out = File::create(path_out)?;
[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/io/utils.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let mut reached_eof = false;
[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/io/utils.rs:117:13
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let mut left_in_buff1 = read_bytes_in_buff1 - m;
[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/io/utils.rs:118:13
[INFO] [stdout]     |
[INFO] [stdout] 118 |         let mut left_in_buff2 = read_bytes_in_buff2 - m;
[INFO] [stdout]     |             ----^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `meta_data2`
[INFO] [stdout]    --> src/io/utils.rs:149:9
[INFO] [stdout]     |
[INFO] [stdout] 149 |     let meta_data2 = fs::metadata(path2)?;
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_meta_data2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dir_entry`
[INFO] [stdout]   --> src/io/fs_operation.rs:11:29
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn enter_dir(&mut self, dir_entry: &DirEntry) -> Result<(), ArbfsErr> {
[INFO] [stdout]    |                             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dir_entry`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Change` is never used
[INFO] [stdout]   --> src/record/change.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum Change {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SnapshotSummary` is never constructed
[INFO] [stdout]   --> src/record/change.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct SnapshotSummary {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `nodes` is never read
[INFO] [stdout]   --> src/record/change.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct AlterHistory {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 25 |
[INFO] [stdout] 26 |     nodes: Vec<alters::AlterNode>
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `receive_alters`, `load`, and `store` are never used
[INFO] [stdout]   --> src/record/change.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl AlterHistory {
[INFO] [stdout]    | ----------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn receive_alters(&self, alters: Vec<AlterMessage>, snapshot: &[u8; 32]) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn load(){
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn store(self) -> ChangeListReader {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ChangeListReader` is never constructed
[INFO] [stdout]   --> src/record/change.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub struct ChangeListReader {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SnapshotSummary` is never constructed
[INFO] [stdout]   --> src/record/changekeeper.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct SnapshotSummary {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ChangeKeeper` is never constructed
[INFO] [stdout]   --> src/record/changekeeper.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct ChangeKeeper {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/record/changekeeper.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl ChangeKeeper {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 34 |     pub fn new(init_snapshot_id: [u8; 32], file_names: Vec<String>, init_snapshot_changes: Vec<Change>) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `REM` is never constructed
[INFO] [stdout]   --> src/record/alters.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub enum AlterKind {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] 17 |     ADD,
[INFO] [stdout] 18 |     REM
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AlterKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Alter` is never used
[INFO] [stdout]   --> src/record/alters.rs:21:11
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub trait Alter {
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `to_alter` are never used
[INFO] [stdout]   --> src/record/alters.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 51 | impl AlterMessage {
[INFO] [stdout]    | ----------------- associated items in this implementation
[INFO] [stdout] 52 |     pub fn new(kind: AlterKind, index_start: usize, index_end: usize, bytes: Vec<u8>) -> AlterMessage {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub fn to_alter(&self) -> RawAlter {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `index_start`, `index_end`, and `snapshot` are never read
[INFO] [stdout]    --> src/record/alters.rs:98:5
[INFO] [stdout]     |
[INFO] [stdout]  97 | pub struct AlterAddNode {
[INFO] [stdout]     |            ------------ fields in this struct
[INFO] [stdout]  98 |     index_start: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]  99 |     index_end: usize,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 100 |     snapshot: [u8; 32]
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `left_removed_bytes`, `removed_alters`, `right_removed_bytes`, and `snapshot` are never read
[INFO] [stdout]    --> src/record/alters.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 112 | pub struct AlterRemNode {
[INFO] [stdout]     |            ------------ fields in this struct
[INFO] [stdout] 113 |     left_removed_bytes: Vec<u8>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 114 |     removed_alters: VecDeque<RawAlter>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 115 |     right_removed_bytes: Vec<u8>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 116 |     snapshot: [u8; 32]
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/record/alters.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |     Add(AlterAddNode),
[INFO] [stdout]     |     --- ^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 130 -     Add(AlterAddNode),
[INFO] [stdout] 130 +     Add(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Rem` is never constructed
[INFO] [stdout]    --> src/record/alters.rs:131:5
[INFO] [stdout]     |
[INFO] [stdout] 129 | pub enum AlterNode {
[INFO] [stdout]     |          --------- variant in this enum
[INFO] [stdout] 130 |     Add(AlterAddNode),
[INFO] [stdout] 131 |     Rem(AlterRemNode)
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_alter_messages` is never used
[INFO] [stdout]    --> src/record/alters.rs:161:8
[INFO] [stdout]     |
[INFO] [stdout] 161 | pub fn generate_alter_messages(ref_reader: &mut ArbfsReader, comp_reader: &mut ArbfsReader) -> Result<Vec<AlterMessage>, Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AlterDiffHandler` is never constructed
[INFO] [stdout]    --> src/record/alters.rs:230:8
[INFO] [stdout]     |
[INFO] [stdout] 230 | struct AlterDiffHandler<'a> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `consume` are never used
[INFO] [stdout]    --> src/record/alters.rs:239:8
[INFO] [stdout]     |
[INFO] [stdout] 238 | impl<'a> AlterDiffHandler<'a> {
[INFO] [stdout]     | ----------------------------- associated items in this implementation
[INFO] [stdout] 239 |     fn new(
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 254 |     fn consume(self) -> Vec<alters::AlterMessage>{
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `apply_alters` is never used
[INFO] [stdout]    --> src/record/alters.rs:320:4
[INFO] [stdout]     |
[INFO] [stdout] 320 | fn apply_alters(alters: &[AlterMessage], file: File, change_file: AlterHistory, new_file: File) -> Result<(), Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `apply_alters_file` is never used
[INFO] [stdout]    --> src/record/alters.rs:327:4
[INFO] [stdout]     |
[INFO] [stdout] 327 | fn apply_alters_file(alters: &[AlterMessage], file: File, mut new_file: File) -> Result<(), Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `apply_alters_change_file` is never used
[INFO] [stdout]    --> src/record/alters.rs:357:4
[INFO] [stdout]     |
[INFO] [stdout] 357 | fn apply_alters_change_file(alters: &[AlterMessage], change_file: AlterHistory) -> Result<(), Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `apply_patch` is never used
[INFO] [stdout]    --> src/record/alters.rs:362:4
[INFO] [stdout]     |
[INFO] [stdout] 362 | fn apply_patch(patch_file: &str, target_file: &str) {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `InitRecord` is never used
[INFO] [stdout]   --> src/record/init_record.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait InitRecord {
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_patch` is never used
[INFO] [stdout]  --> src/record/patch.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn generate_patch(){
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `apply_patch` is never used
[INFO] [stdout]  --> src/record/patch.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn apply_patch(){
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get` and `capacity` are never used
[INFO] [stdout]   --> src/record/arbmap.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Arbmap {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn get(&self, snapshot_id: [u8; 32]) -> (usize, [u8; 32]) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 83 |     pub(crate) fn capacity(&self) -> usize {
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FilesystemNode` is never constructed
[INFO] [stdout]   --> src/record/init_rec.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct FilesystemNode {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `next_line_utf8`, `next_line_utf16`, and `last_read_byte_index` are never used
[INFO] [stdout]   --> src/io/arbfs_reader.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl ArbfsReader {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn next_line_utf8(&mut self) -> Option<io::Result<(usize, Vec<u8>)>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub fn next_line_utf16(&mut self) -> Option<io::Result<Vec<u8>>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |     pub fn last_read_byte_index(&self) -> Option<usize> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_write` is never used
[INFO] [stdout]   --> src/io/utils.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn read_write(src_name: &str, dest_name: &str) -> Result<u64,Error> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_write_buffered` is never used
[INFO] [stdout]   --> src/io/utils.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn read_write_buffered(src_name: &str, dest_name: &str) -> Result<u64,Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `verify_sync` is never used
[INFO] [stdout]   --> src/io/utils.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub fn verify_sync(file_name1: &str, file_name2: &str) -> Result<(), String>{
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `copy_metaData` is never used
[INFO] [stdout]    --> src/io/utils.rs:143:4
[INFO] [stdout]     |
[INFO] [stdout] 143 | fn copy_metaData(file_name1: &str, file_name2: &str) -> Result<(), Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_abc_bytes` is never used
[INFO] [stdout]    --> src/io/utils.rs:207:8
[INFO] [stdout]     |
[INFO] [stdout] 207 | pub fn generate_abc_bytes(size: usize) -> Vec<u8> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `travel_bfs` is never used
[INFO] [stdout]   --> src/io/fs_traveler.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl FsTraveler<Ready> {
[INFO] [stdout]    | ---------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 87 |     pub fn travel_bfs<T: AsRef<Path>>(mut self, path: T) -> Result<FsTraveler<Consumed>, ArbfsErr> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `take_back` is never used
[INFO] [stdout]    --> src/io/fs_traveler.rs:139:12
[INFO] [stdout]     |
[INFO] [stdout] 138 | impl FsTraveler<Consumed> {
[INFO] [stdout]     | ------------------------- method in this implementation
[INFO] [stdout] 139 |     pub fn take_back(&mut self, i: usize) -> FsTravelOperationKind {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `copy_metaData` should have a snake case name
[INFO] [stdout]    --> src/io/utils.rs:143:4
[INFO] [stdout]     |
[INFO] [stdout] 143 | fn copy_metaData(file_name1: &str, file_name2: &str) -> Result<(), Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^ help: convert the identifier to snake case: `copy_meta_data`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/io/utils.rs:151:5
[INFO] [stdout]     |
[INFO] [stdout] 151 |     meta_data1.accessed();
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 151 |     let _ = meta_data1.accessed();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/io/utils.rs:152:5
[INFO] [stdout]     |
[INFO] [stdout] 152 |     meta_data1.created();
[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] 152 |     let _ = meta_data1.created();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::fs::Metadata::permissions` that must be used
[INFO] [stdout]    --> src/io/utils.rs:153:5
[INFO] [stdout]     |
[INFO] [stdout] 153 |     meta_data1.permissions();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 153 |     let _ = meta_data1.permissions();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::fs::Metadata::is_dir` that must be used
[INFO] [stdout]    --> src/io/utils.rs:154:5
[INFO] [stdout]     |
[INFO] [stdout] 154 |     meta_data1.is_dir();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 154 |     let _ = meta_data1.is_dir();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Display`
[INFO] [stdout]  --> src/record/change.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fmt::Display;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::SystemTime`
[INFO] [stdout]  --> src/record/change.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::time::SystemTime;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/record/changekeeper.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DirEntry` and `File`
[INFO] [stdout]  --> src/record/changekeeper.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::{DirEntry, File};
[INFO] [stdout]   |               ^^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Error`
[INFO] [stdout]  --> src/record/changekeeper.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PathBuf` and `Path`
[INFO] [stdout]  --> src/record/changekeeper.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/record/changekeeper.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::errors::ArbfsErr`
[INFO] [stdout]  --> src/record/changekeeper.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::errors::ArbfsErr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FsTravelOperationKind` and `FsTravelOperation`
[INFO] [stdout]  --> src/record/changekeeper.rs:7:31
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::io::fs_operation::{FsTravelOperation, FsTravelOperationKind};
[INFO] [stdout]   |                               ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LinkedList`
[INFO] [stdout]  --> src/record/alters.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{LinkedList, VecDeque};
[INFO] [stdout]   |                        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/record/alters.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/record/arbmap.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/record/arbmap.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout] 100 |     (first_addressable_bits & size_minus_one)
[INFO] [stdout]     |     ^                                       ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 100 -     (first_addressable_bits & size_minus_one)
[INFO] [stdout] 100 +     first_addressable_bits & size_minus_one
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ffi::OsString`
[INFO] [stdout]  --> src/record/init_rec.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ffi::OsString;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ffi::OsString`
[INFO] [stdout]  --> src/record/init_changekeeper.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ffi::OsString;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/io/arbfs_reader.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{BufRead};
[INFO] [stdout]   |               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `OsString`
[INFO] [stdout]  --> src/io/utils.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ffi::{OsStr, OsString};
[INFO] [stdout]   |                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DirEntry`
[INFO] [stdout]  --> src/io/fs_traveler.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::fs::{DirEntry, ReadDir};
[INFO] [stdout]   |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `File` and `read`
[INFO] [stdout]  --> src/main.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fs::{read, File};
[INFO] [stdout]   |               ^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Decoder` and `Encoder`
[INFO] [stdout]  --> src/main.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | use zstd::{Decoder, Encoder};
[INFO] [stdout]   |            ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::io::arbfs_reader::ArbfsReader`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::io::arbfs_reader::ArbfsReader;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::io::arbfs_writer::ArbfsWriter`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::io::arbfs_writer::ArbfsWriter;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::io::utils::generate_abc_bytes`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::io::utils::generate_abc_bytes;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::io::wttra_writer::WttraWriter`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::io::wttra_writer::WttraWriter;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/record/alters.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{Error, Read, Write};
[INFO] [stdout]   |                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `byte`
[INFO] [stdout]   --> src/record/change.rs:33:19
[INFO] [stdout]    |
[INFO] [stdout] 33 |         if let Ok(byte) =  reader.peek() {
[INFO] [stdout]    |                   ^^^^ help: if this is intentional, prefix it with an underscore: `_byte`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `alters`
[INFO] [stdout]   --> src/record/change.rs:42:34
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn receive_alters(&self, alters: Vec<AlterMessage>, snapshot: &[u8; 32]) {
[INFO] [stdout]    |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_alters`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `snapshot`
[INFO] [stdout]   --> src/record/change.rs:42:61
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn receive_alters(&self, alters: Vec<AlterMessage>, snapshot: &[u8; 32]) {
[INFO] [stdout]    |                                                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_snapshot`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> src/record/change.rs:63:24
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn read(&mut self, buf: &mut [u8]) -> std::io::Result<usize> {
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `init_snapshot_id`
[INFO] [stdout]   --> src/record/changekeeper.rs:34:16
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn new(init_snapshot_id: [u8; 32], file_names: Vec<String>, init_snapshot_changes: Vec<Change>) {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_init_snapshot_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `snap_summaries`
[INFO] [stdout]   --> src/record/changekeeper.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let snap_summaries = vec![snapshot_summary];
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_snap_summaries`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `snap_summaries_location_in_file`
[INFO] [stdout]   --> src/record/changekeeper.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let snap_summaries_location_in_file = file_names_location_in_file + file_names_capacity;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_snap_summaries_location_in_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ignore`
[INFO] [stdout]    --> src/record/alters.rs:210:9
[INFO] [stdout]     |
[INFO] [stdout] 210 |     let ignore = myers::diff(&mut  replace, &ref_lines, 0, ref_lines.len(), &comp_lines, 0, comp_lines.len())?;
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ignore`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new`
[INFO] [stdout]    --> src/record/alters.rs:262:50
[INFO] [stdout]     |
[INFO] [stdout] 262 |     fn delete(&mut self, old: usize, len: usize, new: usize) -> Result<(), Self::Error> {
[INFO] [stdout]     |                                                  ^^^ help: if this is intentional, prefix it with an underscore: `_new`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/record/alters.rs:329:9
[INFO] [stdout]     |
[INFO] [stdout] 329 |     let mut arbfs_reader = ArbfsReader::new(file);
[INFO] [stdout]     |         ----^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `alters`
[INFO] [stdout]    --> src/record/alters.rs:357:29
[INFO] [stdout]     |
[INFO] [stdout] 357 | fn apply_alters_change_file(alters: &[AlterMessage], change_file: AlterHistory) -> Result<(), Error> {
[INFO] [stdout]     |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_alters`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `change_file`
[INFO] [stdout]    --> src/record/alters.rs:357:54
[INFO] [stdout]     |
[INFO] [stdout] 357 | fn apply_alters_change_file(alters: &[AlterMessage], change_file: AlterHistory) -> Result<(), Error> {
[INFO] [stdout]     |                                                      ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_change_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `patch_file`
[INFO] [stdout]    --> src/record/alters.rs:362:16
[INFO] [stdout]     |
[INFO] [stdout] 362 | fn apply_patch(patch_file: &str, target_file: &str) {
[INFO] [stdout]     |                ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_patch_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target_file`
[INFO] [stdout]    --> src/record/alters.rs:362:34
[INFO] [stdout]     |
[INFO] [stdout] 362 | fn apply_patch(patch_file: &str, target_file: &str) {
[INFO] [stdout]     |                                  ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_target_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `change_list`
[INFO] [stdout]   --> src/record/init_record.rs:87:21
[INFO] [stdout]    |
[INFO] [stdout] 87 |                 let change_list = AlterHistory::new(reader, snapshot_hash);
[INFO] [stdout]    |                     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_change_list`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `change_list`
[INFO] [stdout]   --> src/record/init_rec.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 |             let change_list = AlterHistory::new(reader, &self.snapshot_hash);
[INFO] [stdout]    |                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_change_list`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `root_path`
[INFO] [stdout]   --> src/record/init_changekeeper.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn setup(&mut self, root_path: &PathBuf) -> Result<(), ArbfsErr> {
[INFO] [stdout]    |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_root_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/io/arbfs_writer.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let mut available_in_buff = BUFFER_SIZE - self.filled_bytes;
[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/io/utils.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let mut file_in = File::open(path_in)?;
[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/io/utils.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let mut file_out = File::create(path_out)?;
[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/io/utils.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let mut reached_eof = false;
[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/io/utils.rs:117:13
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let mut left_in_buff1 = read_bytes_in_buff1 - m;
[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/io/utils.rs:118:13
[INFO] [stdout]     |
[INFO] [stdout] 118 |         let mut left_in_buff2 = read_bytes_in_buff2 - m;
[INFO] [stdout]     |             ----^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `meta_data2`
[INFO] [stdout]    --> src/io/utils.rs:149:9
[INFO] [stdout]     |
[INFO] [stdout] 149 |     let meta_data2 = fs::metadata(path2)?;
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_meta_data2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dir_entry`
[INFO] [stdout]   --> src/io/fs_operation.rs:11:29
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn enter_dir(&mut self, dir_entry: &DirEntry) -> Result<(), ArbfsErr> {
[INFO] [stdout]    |                             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dir_entry`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Change` is never used
[INFO] [stdout]   --> src/record/change.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum Change {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SnapshotSummary` is never constructed
[INFO] [stdout]   --> src/record/change.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct SnapshotSummary {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `nodes` is never read
[INFO] [stdout]   --> src/record/change.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct AlterHistory {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 25 |
[INFO] [stdout] 26 |     nodes: Vec<alters::AlterNode>
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `receive_alters`, `load`, and `store` are never used
[INFO] [stdout]   --> src/record/change.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl AlterHistory {
[INFO] [stdout]    | ----------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn receive_alters(&self, alters: Vec<AlterMessage>, snapshot: &[u8; 32]) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn load(){
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn store(self) -> ChangeListReader {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ChangeListReader` is never constructed
[INFO] [stdout]   --> src/record/change.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub struct ChangeListReader {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SnapshotSummary` is never constructed
[INFO] [stdout]   --> src/record/changekeeper.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct SnapshotSummary {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ChangeKeeper` is never constructed
[INFO] [stdout]   --> src/record/changekeeper.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct ChangeKeeper {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/record/changekeeper.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl ChangeKeeper {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 34 |     pub fn new(init_snapshot_id: [u8; 32], file_names: Vec<String>, init_snapshot_changes: Vec<Change>) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `REM` is never constructed
[INFO] [stdout]   --> src/record/alters.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub enum AlterKind {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] 17 |     ADD,
[INFO] [stdout] 18 |     REM
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AlterKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Alter` is never used
[INFO] [stdout]   --> src/record/alters.rs:21:11
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub trait Alter {
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `to_alter` are never used
[INFO] [stdout]   --> src/record/alters.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 51 | impl AlterMessage {
[INFO] [stdout]    | ----------------- associated items in this implementation
[INFO] [stdout] 52 |     pub fn new(kind: AlterKind, index_start: usize, index_end: usize, bytes: Vec<u8>) -> AlterMessage {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub fn to_alter(&self) -> RawAlter {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `index_start`, `index_end`, and `snapshot` are never read
[INFO] [stdout]    --> src/record/alters.rs:98:5
[INFO] [stdout]     |
[INFO] [stdout]  97 | pub struct AlterAddNode {
[INFO] [stdout]     |            ------------ fields in this struct
[INFO] [stdout]  98 |     index_start: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]  99 |     index_end: usize,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 100 |     snapshot: [u8; 32]
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `left_removed_bytes`, `removed_alters`, `right_removed_bytes`, and `snapshot` are never read
[INFO] [stdout]    --> src/record/alters.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 112 | pub struct AlterRemNode {
[INFO] [stdout]     |            ------------ fields in this struct
[INFO] [stdout] 113 |     left_removed_bytes: Vec<u8>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 114 |     removed_alters: VecDeque<RawAlter>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 115 |     right_removed_bytes: Vec<u8>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 116 |     snapshot: [u8; 32]
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/record/alters.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |     Add(AlterAddNode),
[INFO] [stdout]     |     --- ^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 130 -     Add(AlterAddNode),
[INFO] [stdout] 130 +     Add(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Rem` is never constructed
[INFO] [stdout]    --> src/record/alters.rs:131:5
[INFO] [stdout]     |
[INFO] [stdout] 129 | pub enum AlterNode {
[INFO] [stdout]     |          --------- variant in this enum
[INFO] [stdout] 130 |     Add(AlterAddNode),
[INFO] [stdout] 131 |     Rem(AlterRemNode)
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_alter_messages` is never used
[INFO] [stdout]    --> src/record/alters.rs:161:8
[INFO] [stdout]     |
[INFO] [stdout] 161 | pub fn generate_alter_messages(ref_reader: &mut ArbfsReader, comp_reader: &mut ArbfsReader) -> Result<Vec<AlterMessage>, Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AlterDiffHandler` is never constructed
[INFO] [stdout]    --> src/record/alters.rs:230:8
[INFO] [stdout]     |
[INFO] [stdout] 230 | struct AlterDiffHandler<'a> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `consume` are never used
[INFO] [stdout]    --> src/record/alters.rs:239:8
[INFO] [stdout]     |
[INFO] [stdout] 238 | impl<'a> AlterDiffHandler<'a> {
[INFO] [stdout]     | ----------------------------- associated items in this implementation
[INFO] [stdout] 239 |     fn new(
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 254 |     fn consume(self) -> Vec<alters::AlterMessage>{
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `apply_alters` is never used
[INFO] [stdout]    --> src/record/alters.rs:320:4
[INFO] [stdout]     |
[INFO] [stdout] 320 | fn apply_alters(alters: &[AlterMessage], file: File, change_file: AlterHistory, new_file: File) -> Result<(), Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `apply_alters_file` is never used
[INFO] [stdout]    --> src/record/alters.rs:327:4
[INFO] [stdout]     |
[INFO] [stdout] 327 | fn apply_alters_file(alters: &[AlterMessage], file: File, mut new_file: File) -> Result<(), Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `apply_alters_change_file` is never used
[INFO] [stdout]    --> src/record/alters.rs:357:4
[INFO] [stdout]     |
[INFO] [stdout] 357 | fn apply_alters_change_file(alters: &[AlterMessage], change_file: AlterHistory) -> Result<(), Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `apply_patch` is never used
[INFO] [stdout]    --> src/record/alters.rs:362:4
[INFO] [stdout]     |
[INFO] [stdout] 362 | fn apply_patch(patch_file: &str, target_file: &str) {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `InitRecord` is never used
[INFO] [stdout]   --> src/record/init_record.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait InitRecord {
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_patch` is never used
[INFO] [stdout]  --> src/record/patch.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn generate_patch(){
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `apply_patch` is never used
[INFO] [stdout]  --> src/record/patch.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn apply_patch(){
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get` and `capacity` are never used
[INFO] [stdout]   --> src/record/arbmap.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Arbmap {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn get(&self, snapshot_id: [u8; 32]) -> (usize, [u8; 32]) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 83 |     pub(crate) fn capacity(&self) -> usize {
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FilesystemNode` is never constructed
[INFO] [stdout]   --> src/record/init_rec.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct FilesystemNode {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `copy_metaData` is never used
[INFO] [stdout]    --> src/io/utils.rs:143:4
[INFO] [stdout]     |
[INFO] [stdout] 143 | fn copy_metaData(file_name1: &str, file_name2: &str) -> Result<(), Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `copy_metaData` should have a snake case name
[INFO] [stdout]    --> src/io/utils.rs:143:4
[INFO] [stdout]     |
[INFO] [stdout] 143 | fn copy_metaData(file_name1: &str, file_name2: &str) -> Result<(), Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^ help: convert the identifier to snake case: `copy_meta_data`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/io/utils.rs:151:5
[INFO] [stdout]     |
[INFO] [stdout] 151 |     meta_data1.accessed();
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 151 |     let _ = meta_data1.accessed();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/io/utils.rs:152:5
[INFO] [stdout]     |
[INFO] [stdout] 152 |     meta_data1.created();
[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] 152 |     let _ = meta_data1.created();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Metadata::permissions` that must be used
[INFO] [stdout]    --> src/io/utils.rs:153:5
[INFO] [stdout]     |
[INFO] [stdout] 153 |     meta_data1.permissions();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 153 |     let _ = meta_data1.permissions();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Metadata::is_dir` that must be used
[INFO] [stdout]    --> src/io/utils.rs:154:5
[INFO] [stdout]     |
[INFO] [stdout] 154 |     meta_data1.is_dir();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 154 |     let _ = meta_data1.is_dir();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.81s
[INFO] running `Command { std: "docker" "inspect" "3fa7098d4884ea888ed7e9386858645bef889a237d0c9f071a813b9a6443edbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3fa7098d4884ea888ed7e9386858645bef889a237d0c9f071a813b9a6443edbf" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `std::fmt::Display`
[INFO] [stdout]  --> src/record/change.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fmt::Display;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::SystemTime`
[INFO] [stdout]  --> src/record/change.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::time::SystemTime;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/record/changekeeper.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DirEntry` and `File`
[INFO] [stdout]  --> src/record/changekeeper.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::{DirEntry, File};
[INFO] [stdout]   |               ^^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Error`
[INFO] [stdout]  --> src/record/changekeeper.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PathBuf` and `Path`
[INFO] [stdout]  --> src/record/changekeeper.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/record/changekeeper.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::errors::ArbfsErr`
[INFO] [stdout]  --> src/record/changekeeper.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::errors::ArbfsErr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FsTravelOperationKind` and `FsTravelOperation`
[INFO] [stdout]  --> src/record/changekeeper.rs:7:31
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::io::fs_operation::{FsTravelOperation, FsTravelOperationKind};
[INFO] [stdout]   |                               ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LinkedList`
[INFO] [stdout]  --> src/record/alters.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{LinkedList, VecDeque};
[INFO] [stdout]   |                        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/record/alters.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/record/arbmap.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/record/arbmap.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout] 100 |     (first_addressable_bits & size_minus_one)
[INFO] [stdout]     |     ^                                       ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 100 -     (first_addressable_bits & size_minus_one)
[INFO] [stdout] 100 +     first_addressable_bits & size_minus_one
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ffi::OsString`
[INFO] [stdout]  --> src/record/init_rec.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ffi::OsString;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ffi::OsString`
[INFO] [stdout]  --> src/record/init_changekeeper.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ffi::OsString;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/io/arbfs_reader.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{BufRead};
[INFO] [stdout]   |               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `OsString`
[INFO] [stdout]  --> src/io/utils.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ffi::{OsStr, OsString};
[INFO] [stdout]   |                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DirEntry`
[INFO] [stdout]  --> src/io/fs_traveler.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::fs::{DirEntry, ReadDir};
[INFO] [stdout]   |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `record::init_record::InitRecord`
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use record::init_record::InitRecord;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `record::init_rec::FilesystemNode`
[INFO] [stdout]   --> src/lib.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use record::init_rec::FilesystemNode;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tracing::instrument`
[INFO] [stdout]   --> src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use tracing::instrument;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/record/alters.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{Error, Read, Write};
[INFO] [stdout]   |                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `byte`
[INFO] [stdout]   --> src/record/change.rs:33:19
[INFO] [stdout]    |
[INFO] [stdout] 33 |         if let Ok(byte) =  reader.peek() {
[INFO] [stdout]    |                   ^^^^ help: if this is intentional, prefix it with an underscore: `_byte`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `alters`
[INFO] [stdout]   --> src/record/change.rs:42:34
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn receive_alters(&self, alters: Vec<AlterMessage>, snapshot: &[u8; 32]) {
[INFO] [stdout]    |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_alters`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `snapshot`
[INFO] [stdout]   --> src/record/change.rs:42:61
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn receive_alters(&self, alters: Vec<AlterMessage>, snapshot: &[u8; 32]) {
[INFO] [stdout]    |                                                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_snapshot`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> src/record/change.rs:63:24
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn read(&mut self, buf: &mut [u8]) -> std::io::Result<usize> {
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `init_snapshot_id`
[INFO] [stdout]   --> src/record/changekeeper.rs:34:16
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn new(init_snapshot_id: [u8; 32], file_names: Vec<String>, init_snapshot_changes: Vec<Change>) {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_init_snapshot_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `snap_summaries`
[INFO] [stdout]   --> src/record/changekeeper.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let snap_summaries = vec![snapshot_summary];
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_snap_summaries`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `snap_summaries_location_in_file`
[INFO] [stdout]   --> src/record/changekeeper.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let snap_summaries_location_in_file = file_names_location_in_file + file_names_capacity;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_snap_summaries_location_in_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ignore`
[INFO] [stdout]    --> src/record/alters.rs:210:9
[INFO] [stdout]     |
[INFO] [stdout] 210 |     let ignore = myers::diff(&mut  replace, &ref_lines, 0, ref_lines.len(), &comp_lines, 0, comp_lines.len())?;
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ignore`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new`
[INFO] [stdout]    --> src/record/alters.rs:262:50
[INFO] [stdout]     |
[INFO] [stdout] 262 |     fn delete(&mut self, old: usize, len: usize, new: usize) -> Result<(), Self::Error> {
[INFO] [stdout]     |                                                  ^^^ help: if this is intentional, prefix it with an underscore: `_new`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/record/alters.rs:329:9
[INFO] [stdout]     |
[INFO] [stdout] 329 |     let mut arbfs_reader = ArbfsReader::new(file);
[INFO] [stdout]     |         ----^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `alters`
[INFO] [stdout]    --> src/record/alters.rs:357:29
[INFO] [stdout]     |
[INFO] [stdout] 357 | fn apply_alters_change_file(alters: &[AlterMessage], change_file: AlterHistory) -> Result<(), Error> {
[INFO] [stdout]     |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_alters`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `change_file`
[INFO] [stdout]    --> src/record/alters.rs:357:54
[INFO] [stdout]     |
[INFO] [stdout] 357 | fn apply_alters_change_file(alters: &[AlterMessage], change_file: AlterHistory) -> Result<(), Error> {
[INFO] [stdout]     |                                                      ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_change_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `patch_file`
[INFO] [stdout]    --> src/record/alters.rs:362:16
[INFO] [stdout]     |
[INFO] [stdout] 362 | fn apply_patch(patch_file: &str, target_file: &str) {
[INFO] [stdout]     |                ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_patch_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target_file`
[INFO] [stdout]    --> src/record/alters.rs:362:34
[INFO] [stdout]     |
[INFO] [stdout] 362 | fn apply_patch(patch_file: &str, target_file: &str) {
[INFO] [stdout]     |                                  ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_target_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `change_list`
[INFO] [stdout]   --> src/record/init_record.rs:87:21
[INFO] [stdout]    |
[INFO] [stdout] 87 |                 let change_list = AlterHistory::new(reader, snapshot_hash);
[INFO] [stdout]    |                     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_change_list`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `change_list`
[INFO] [stdout]   --> src/record/init_rec.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 |             let change_list = AlterHistory::new(reader, &self.snapshot_hash);
[INFO] [stdout]    |                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_change_list`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `root_path`
[INFO] [stdout]   --> src/record/init_changekeeper.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn setup(&mut self, root_path: &PathBuf) -> Result<(), ArbfsErr> {
[INFO] [stdout]    |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_root_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/io/arbfs_writer.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let mut available_in_buff = BUFFER_SIZE - self.filled_bytes;
[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/io/utils.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let mut file_in = File::open(path_in)?;
[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/io/utils.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let mut file_out = File::create(path_out)?;
[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/io/utils.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let mut reached_eof = false;
[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/io/utils.rs:117:13
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let mut left_in_buff1 = read_bytes_in_buff1 - m;
[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/io/utils.rs:118:13
[INFO] [stdout]     |
[INFO] [stdout] 118 |         let mut left_in_buff2 = read_bytes_in_buff2 - m;
[INFO] [stdout]     |             ----^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `meta_data2`
[INFO] [stdout]    --> src/io/utils.rs:149:9
[INFO] [stdout]     |
[INFO] [stdout] 149 |     let meta_data2 = fs::metadata(path2)?;
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_meta_data2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dir_entry`
[INFO] [stdout]   --> src/io/fs_operation.rs:11:29
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn enter_dir(&mut self, dir_entry: &DirEntry) -> Result<(), ArbfsErr> {
[INFO] [stdout]    |                             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dir_entry`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Change` is never used
[INFO] [stdout]   --> src/record/change.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum Change {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SnapshotSummary` is never constructed
[INFO] [stdout]   --> src/record/change.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct SnapshotSummary {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `nodes` is never read
[INFO] [stdout]   --> src/record/change.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct AlterHistory {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 25 |
[INFO] [stdout] 26 |     nodes: Vec<alters::AlterNode>
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `receive_alters`, `load`, and `store` are never used
[INFO] [stdout]   --> src/record/change.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl AlterHistory {
[INFO] [stdout]    | ----------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn receive_alters(&self, alters: Vec<AlterMessage>, snapshot: &[u8; 32]) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn load(){
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn store(self) -> ChangeListReader {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ChangeListReader` is never constructed
[INFO] [stdout]   --> src/record/change.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub struct ChangeListReader {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SnapshotSummary` is never constructed
[INFO] [stdout]   --> src/record/changekeeper.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct SnapshotSummary {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ChangeKeeper` is never constructed
[INFO] [stdout]   --> src/record/changekeeper.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct ChangeKeeper {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/record/changekeeper.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl ChangeKeeper {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 34 |     pub fn new(init_snapshot_id: [u8; 32], file_names: Vec<String>, init_snapshot_changes: Vec<Change>) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `REM` is never constructed
[INFO] [stdout]   --> src/record/alters.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub enum AlterKind {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] 17 |     ADD,
[INFO] [stdout] 18 |     REM
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AlterKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Alter` is never used
[INFO] [stdout]   --> src/record/alters.rs:21:11
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub trait Alter {
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `to_alter` are never used
[INFO] [stdout]   --> src/record/alters.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 51 | impl AlterMessage {
[INFO] [stdout]    | ----------------- associated items in this implementation
[INFO] [stdout] 52 |     pub fn new(kind: AlterKind, index_start: usize, index_end: usize, bytes: Vec<u8>) -> AlterMessage {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub fn to_alter(&self) -> RawAlter {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `index_start`, `index_end`, and `snapshot` are never read
[INFO] [stdout]    --> src/record/alters.rs:98:5
[INFO] [stdout]     |
[INFO] [stdout]  97 | pub struct AlterAddNode {
[INFO] [stdout]     |            ------------ fields in this struct
[INFO] [stdout]  98 |     index_start: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]  99 |     index_end: usize,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 100 |     snapshot: [u8; 32]
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `left_removed_bytes`, `removed_alters`, `right_removed_bytes`, and `snapshot` are never read
[INFO] [stdout]    --> src/record/alters.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 112 | pub struct AlterRemNode {
[INFO] [stdout]     |            ------------ fields in this struct
[INFO] [stdout] 113 |     left_removed_bytes: Vec<u8>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 114 |     removed_alters: VecDeque<RawAlter>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 115 |     right_removed_bytes: Vec<u8>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 116 |     snapshot: [u8; 32]
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/record/alters.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |     Add(AlterAddNode),
[INFO] [stdout]     |     --- ^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 130 -     Add(AlterAddNode),
[INFO] [stdout] 130 +     Add(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Rem` is never constructed
[INFO] [stdout]    --> src/record/alters.rs:131:5
[INFO] [stdout]     |
[INFO] [stdout] 129 | pub enum AlterNode {
[INFO] [stdout]     |          --------- variant in this enum
[INFO] [stdout] 130 |     Add(AlterAddNode),
[INFO] [stdout] 131 |     Rem(AlterRemNode)
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_alter_messages` is never used
[INFO] [stdout]    --> src/record/alters.rs:161:8
[INFO] [stdout]     |
[INFO] [stdout] 161 | pub fn generate_alter_messages(ref_reader: &mut ArbfsReader, comp_reader: &mut ArbfsReader) -> Result<Vec<AlterMessage>, Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AlterDiffHandler` is never constructed
[INFO] [stdout]    --> src/record/alters.rs:230:8
[INFO] [stdout]     |
[INFO] [stdout] 230 | struct AlterDiffHandler<'a> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `consume` are never used
[INFO] [stdout]    --> src/record/alters.rs:239:8
[INFO] [stdout]     |
[INFO] [stdout] 238 | impl<'a> AlterDiffHandler<'a> {
[INFO] [stdout]     | ----------------------------- associated items in this implementation
[INFO] [stdout] 239 |     fn new(
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 254 |     fn consume(self) -> Vec<alters::AlterMessage>{
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `apply_alters` is never used
[INFO] [stdout]    --> src/record/alters.rs:320:4
[INFO] [stdout]     |
[INFO] [stdout] 320 | fn apply_alters(alters: &[AlterMessage], file: File, change_file: AlterHistory, new_file: File) -> Result<(), Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `apply_alters_file` is never used
[INFO] [stdout]    --> src/record/alters.rs:327:4
[INFO] [stdout]     |
[INFO] [stdout] 327 | fn apply_alters_file(alters: &[AlterMessage], file: File, mut new_file: File) -> Result<(), Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `apply_alters_change_file` is never used
[INFO] [stdout]    --> src/record/alters.rs:357:4
[INFO] [stdout]     |
[INFO] [stdout] 357 | fn apply_alters_change_file(alters: &[AlterMessage], change_file: AlterHistory) -> Result<(), Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `apply_patch` is never used
[INFO] [stdout]    --> src/record/alters.rs:362:4
[INFO] [stdout]     |
[INFO] [stdout] 362 | fn apply_patch(patch_file: &str, target_file: &str) {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `InitRecord` is never used
[INFO] [stdout]   --> src/record/init_record.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait InitRecord {
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_patch` is never used
[INFO] [stdout]  --> src/record/patch.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn generate_patch(){
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `apply_patch` is never used
[INFO] [stdout]  --> src/record/patch.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn apply_patch(){
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get` and `capacity` are never used
[INFO] [stdout]   --> src/record/arbmap.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Arbmap {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn get(&self, snapshot_id: [u8; 32]) -> (usize, [u8; 32]) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 83 |     pub(crate) fn capacity(&self) -> usize {
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FilesystemNode` is never constructed
[INFO] [stdout]   --> src/record/init_rec.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct FilesystemNode {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `next_line_utf8`, `next_line_utf16`, and `last_read_byte_index` are never used
[INFO] [stdout]   --> src/io/arbfs_reader.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl ArbfsReader {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn next_line_utf8(&mut self) -> Option<io::Result<(usize, Vec<u8>)>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub fn next_line_utf16(&mut self) -> Option<io::Result<Vec<u8>>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |     pub fn last_read_byte_index(&self) -> Option<usize> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_write` is never used
[INFO] [stdout]   --> src/io/utils.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn read_write(src_name: &str, dest_name: &str) -> Result<u64,Error> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_write_buffered` is never used
[INFO] [stdout]   --> src/io/utils.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn read_write_buffered(src_name: &str, dest_name: &str) -> Result<u64,Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `verify_sync` is never used
[INFO] [stdout]   --> src/io/utils.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub fn verify_sync(file_name1: &str, file_name2: &str) -> Result<(), String>{
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `copy_metaData` is never used
[INFO] [stdout]    --> src/io/utils.rs:143:4
[INFO] [stdout]     |
[INFO] [stdout] 143 | fn copy_metaData(file_name1: &str, file_name2: &str) -> Result<(), Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_abc_bytes` is never used
[INFO] [stdout]    --> src/io/utils.rs:207:8
[INFO] [stdout]     |
[INFO] [stdout] 207 | pub fn generate_abc_bytes(size: usize) -> Vec<u8> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `travel_bfs` is never used
[INFO] [stdout]   --> src/io/fs_traveler.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl FsTraveler<Ready> {
[INFO] [stdout]    | ---------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 87 |     pub fn travel_bfs<T: AsRef<Path>>(mut self, path: T) -> Result<FsTraveler<Consumed>, ArbfsErr> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `take_back` is never used
[INFO] [stdout]    --> src/io/fs_traveler.rs:139:12
[INFO] [stdout]     |
[INFO] [stdout] 138 | impl FsTraveler<Consumed> {
[INFO] [stdout]     | ------------------------- method in this implementation
[INFO] [stdout] 139 |     pub fn take_back(&mut self, i: usize) -> FsTravelOperationKind {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `copy_metaData` should have a snake case name
[INFO] [stdout]    --> src/io/utils.rs:143:4
[INFO] [stdout]     |
[INFO] [stdout] 143 | fn copy_metaData(file_name1: &str, file_name2: &str) -> Result<(), Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^ help: convert the identifier to snake case: `copy_meta_data`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/io/utils.rs:151:5
[INFO] [stdout]     |
[INFO] [stdout] 151 |     meta_data1.accessed();
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 151 |     let _ = meta_data1.accessed();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/io/utils.rs:152:5
[INFO] [stdout]     |
[INFO] [stdout] 152 |     meta_data1.created();
[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] 152 |     let _ = meta_data1.created();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::fs::Metadata::permissions` that must be used
[INFO] [stdout]    --> src/io/utils.rs:153:5
[INFO] [stdout]     |
[INFO] [stdout] 153 |     meta_data1.permissions();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 153 |     let _ = meta_data1.permissions();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::fs::Metadata::is_dir` that must be used
[INFO] [stdout]    --> src/io/utils.rs:154:5
[INFO] [stdout]     |
[INFO] [stdout] 154 |     meta_data1.is_dir();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 154 |     let _ = meta_data1.is_dir();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling arbfs-prototype v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt::Display`
[INFO] [stdout]  --> src/record/change.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fmt::Display;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::SystemTime`
[INFO] [stdout]  --> src/record/change.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::time::SystemTime;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/record/changekeeper.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DirEntry` and `File`
[INFO] [stdout]  --> src/record/changekeeper.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::{DirEntry, File};
[INFO] [stdout]   |               ^^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Error`
[INFO] [stdout]  --> src/record/changekeeper.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PathBuf` and `Path`
[INFO] [stdout]  --> src/record/changekeeper.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/record/changekeeper.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::errors::ArbfsErr`
[INFO] [stdout]  --> src/record/changekeeper.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::errors::ArbfsErr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FsTravelOperationKind` and `FsTravelOperation`
[INFO] [stdout]  --> src/record/changekeeper.rs:7:31
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::io::fs_operation::{FsTravelOperation, FsTravelOperationKind};
[INFO] [stdout]   |                               ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LinkedList`
[INFO] [stdout]  --> src/record/alters.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{LinkedList, VecDeque};
[INFO] [stdout]   |                        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/record/alters.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::record::alters`
[INFO] [stdout]    --> src/record/alters.rs:369:9
[INFO] [stdout]     |
[INFO] [stdout] 369 |     use crate::record::alters;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/record/arbmap.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/record/arbmap.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout] 100 |     (first_addressable_bits & size_minus_one)
[INFO] [stdout]     |     ^                                       ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 100 -     (first_addressable_bits & size_minus_one)
[INFO] [stdout] 100 +     first_addressable_bits & size_minus_one
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rng`
[INFO] [stdout]    --> src/record/arbmap.rs:107:16
[INFO] [stdout]     |
[INFO] [stdout] 107 |     use rand::{Rng, RngExt};
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ffi::OsString`
[INFO] [stdout]  --> src/record/init_rec.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ffi::OsString;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ffi::OsString`
[INFO] [stdout]  --> src/record/init_changekeeper.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ffi::OsString;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/io/arbfs_reader.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{BufRead};
[INFO] [stdout]   |               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `OsString`
[INFO] [stdout]  --> src/io/utils.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ffi::{OsStr, OsString};
[INFO] [stdout]   |                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DirEntry`
[INFO] [stdout]  --> src/io/fs_traveler.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::fs::{DirEntry, ReadDir};
[INFO] [stdout]   |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `record::init_record::InitRecord`
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use record::init_record::InitRecord;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `record::init_rec::FilesystemNode`
[INFO] [stdout]   --> src/lib.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use record::init_rec::FilesystemNode;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tracing::instrument`
[INFO] [stdout]   --> src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use tracing::instrument;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Display`
[INFO] [stdout]  --> src/record/change.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fmt::Display;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::SystemTime`
[INFO] [stdout]  --> src/record/change.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::time::SystemTime;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/record/changekeeper.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DirEntry` and `File`
[INFO] [stdout]  --> src/record/changekeeper.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::{DirEntry, File};
[INFO] [stdout]   |               ^^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Error`
[INFO] [stdout]  --> src/record/changekeeper.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PathBuf` and `Path`
[INFO] [stdout]  --> src/record/changekeeper.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/record/changekeeper.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::errors::ArbfsErr`
[INFO] [stdout]  --> src/record/changekeeper.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::errors::ArbfsErr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FsTravelOperationKind` and `FsTravelOperation`
[INFO] [stdout]  --> src/record/changekeeper.rs:7:31
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::io::fs_operation::{FsTravelOperation, FsTravelOperationKind};
[INFO] [stdout]   |                               ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LinkedList`
[INFO] [stdout]  --> src/record/alters.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{LinkedList, VecDeque};
[INFO] [stdout]   |                        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/record/alters.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::record::alters`
[INFO] [stdout]    --> src/record/alters.rs:369:9
[INFO] [stdout]     |
[INFO] [stdout] 369 |     use crate::record::alters;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/record/arbmap.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/record/arbmap.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout] 100 |     (first_addressable_bits & size_minus_one)
[INFO] [stdout]     |     ^                                       ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 100 -     (first_addressable_bits & size_minus_one)
[INFO] [stdout] 100 +     first_addressable_bits & size_minus_one
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rng`
[INFO] [stdout]    --> src/record/arbmap.rs:107:16
[INFO] [stdout]     |
[INFO] [stdout] 107 |     use rand::{Rng, RngExt};
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ffi::OsString`
[INFO] [stdout]  --> src/record/init_rec.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ffi::OsString;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ffi::OsString`
[INFO] [stdout]  --> src/record/init_changekeeper.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ffi::OsString;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/io/arbfs_reader.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{BufRead};
[INFO] [stdout]   |               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `OsString`
[INFO] [stdout]  --> src/io/utils.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ffi::{OsStr, OsString};
[INFO] [stdout]   |                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DirEntry`
[INFO] [stdout]  --> src/io/fs_traveler.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::fs::{DirEntry, ReadDir};
[INFO] [stdout]   |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `File` and `read`
[INFO] [stdout]  --> src/main.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fs::{read, File};
[INFO] [stdout]   |               ^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Decoder` and `Encoder`
[INFO] [stdout]  --> src/main.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | use zstd::{Decoder, Encoder};
[INFO] [stdout]   |            ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::io::arbfs_reader::ArbfsReader`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::io::arbfs_reader::ArbfsReader;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::io::arbfs_writer::ArbfsWriter`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::io::arbfs_writer::ArbfsWriter;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::io::utils::generate_abc_bytes`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::io::utils::generate_abc_bytes;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::io::wttra_writer::WttraWriter`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::io::wttra_writer::WttraWriter;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/record/alters.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{Error, Read, Write};
[INFO] [stdout]   |                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `byte`
[INFO] [stdout]   --> src/record/change.rs:33:19
[INFO] [stdout]    |
[INFO] [stdout] 33 |         if let Ok(byte) =  reader.peek() {
[INFO] [stdout]    |                   ^^^^ help: if this is intentional, prefix it with an underscore: `_byte`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `alters`
[INFO] [stdout]   --> src/record/change.rs:42:34
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn receive_alters(&self, alters: Vec<AlterMessage>, snapshot: &[u8; 32]) {
[INFO] [stdout]    |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_alters`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `snapshot`
[INFO] [stdout]   --> src/record/change.rs:42:61
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn receive_alters(&self, alters: Vec<AlterMessage>, snapshot: &[u8; 32]) {
[INFO] [stdout]    |                                                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_snapshot`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> src/record/change.rs:63:24
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn read(&mut self, buf: &mut [u8]) -> std::io::Result<usize> {
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `init_snapshot_id`
[INFO] [stdout]   --> src/record/changekeeper.rs:34:16
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn new(init_snapshot_id: [u8; 32], file_names: Vec<String>, init_snapshot_changes: Vec<Change>) {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_init_snapshot_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `snap_summaries`
[INFO] [stdout]   --> src/record/changekeeper.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let snap_summaries = vec![snapshot_summary];
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_snap_summaries`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `snap_summaries_location_in_file`
[INFO] [stdout]   --> src/record/changekeeper.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let snap_summaries_location_in_file = file_names_location_in_file + file_names_capacity;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_snap_summaries_location_in_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ignore`
[INFO] [stdout]    --> src/record/alters.rs:210:9
[INFO] [stdout]     |
[INFO] [stdout] 210 |     let ignore = myers::diff(&mut  replace, &ref_lines, 0, ref_lines.len(), &comp_lines, 0, comp_lines.len())?;
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ignore`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new`
[INFO] [stdout]    --> src/record/alters.rs:262:50
[INFO] [stdout]     |
[INFO] [stdout] 262 |     fn delete(&mut self, old: usize, len: usize, new: usize) -> Result<(), Self::Error> {
[INFO] [stdout]     |                                                  ^^^ help: if this is intentional, prefix it with an underscore: `_new`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/record/alters.rs:329:9
[INFO] [stdout]     |
[INFO] [stdout] 329 |     let mut arbfs_reader = ArbfsReader::new(file);
[INFO] [stdout]     |         ----^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `alters`
[INFO] [stdout]    --> src/record/alters.rs:357:29
[INFO] [stdout]     |
[INFO] [stdout] 357 | fn apply_alters_change_file(alters: &[AlterMessage], change_file: AlterHistory) -> Result<(), Error> {
[INFO] [stdout]     |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_alters`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `change_file`
[INFO] [stdout]    --> src/record/alters.rs:357:54
[INFO] [stdout]     |
[INFO] [stdout] 357 | fn apply_alters_change_file(alters: &[AlterMessage], change_file: AlterHistory) -> Result<(), Error> {
[INFO] [stdout]     |                                                      ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_change_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `patch_file`
[INFO] [stdout]    --> src/record/alters.rs:362:16
[INFO] [stdout]     |
[INFO] [stdout] 362 | fn apply_patch(patch_file: &str, target_file: &str) {
[INFO] [stdout]     |                ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_patch_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target_file`
[INFO] [stdout]    --> src/record/alters.rs:362:34
[INFO] [stdout]     |
[INFO] [stdout] 362 | fn apply_patch(patch_file: &str, target_file: &str) {
[INFO] [stdout]     |                                  ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_target_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `change_list`
[INFO] [stdout]   --> src/record/init_record.rs:87:21
[INFO] [stdout]    |
[INFO] [stdout] 87 |                 let change_list = AlterHistory::new(reader, snapshot_hash);
[INFO] [stdout]    |                     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_change_list`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/record/arbmap.rs:116:13
[INFO] [stdout]     |
[INFO] [stdout] 116 |         for i in 0..2048 {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `simulated_address` is never read
[INFO] [stdout]    --> src/record/arbmap.rs:115:37
[INFO] [stdout]     |
[INFO] [stdout] 115 |         let mut simulated_address = rng.random::<u64>() as usize;
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 119 |             simulated_address = rng.random::<u64>() as usize;
[INFO] [stdout]     |             ------------------------------------------------ `simulated_address` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `change_list`
[INFO] [stdout]   --> src/record/init_rec.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 |             let change_list = AlterHistory::new(reader, &self.snapshot_hash);
[INFO] [stdout]    |                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_change_list`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `root_path`
[INFO] [stdout]   --> src/record/init_changekeeper.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn setup(&mut self, root_path: &PathBuf) -> Result<(), ArbfsErr> {
[INFO] [stdout]    |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_root_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/io/arbfs_writer.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let mut available_in_buff = BUFFER_SIZE - self.filled_bytes;
[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/io/utils.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let mut file_in = File::open(path_in)?;
[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/io/utils.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let mut file_out = File::create(path_out)?;
[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/io/utils.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let mut reached_eof = false;
[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/io/utils.rs:117:13
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let mut left_in_buff1 = read_bytes_in_buff1 - m;
[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/io/utils.rs:118:13
[INFO] [stdout]     |
[INFO] [stdout] 118 |         let mut left_in_buff2 = read_bytes_in_buff2 - m;
[INFO] [stdout]     |             ----^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `meta_data2`
[INFO] [stdout]    --> src/io/utils.rs:149:9
[INFO] [stdout]     |
[INFO] [stdout] 149 |     let meta_data2 = fs::metadata(path2)?;
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_meta_data2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/record/alters.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{Error, Read, Write};
[INFO] [stdout]   |                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `byte`
[INFO] [stdout]   --> src/record/change.rs:33:19
[INFO] [stdout]    |
[INFO] [stdout] 33 |         if let Ok(byte) =  reader.peek() {
[INFO] [stdout]    |                   ^^^^ help: if this is intentional, prefix it with an underscore: `_byte`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `alters`
[INFO] [stdout]   --> src/record/change.rs:42:34
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn receive_alters(&self, alters: Vec<AlterMessage>, snapshot: &[u8; 32]) {
[INFO] [stdout]    |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_alters`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `snapshot`
[INFO] [stdout]   --> src/record/change.rs:42:61
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn receive_alters(&self, alters: Vec<AlterMessage>, snapshot: &[u8; 32]) {
[INFO] [stdout]    |                                                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_snapshot`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> src/record/change.rs:63:24
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn read(&mut self, buf: &mut [u8]) -> std::io::Result<usize> {
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `init_snapshot_id`
[INFO] [stdout]   --> src/record/changekeeper.rs:34:16
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn new(init_snapshot_id: [u8; 32], file_names: Vec<String>, init_snapshot_changes: Vec<Change>) {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_init_snapshot_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `snap_summaries`
[INFO] [stdout]   --> src/record/changekeeper.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let snap_summaries = vec![snapshot_summary];
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_snap_summaries`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `snap_summaries_location_in_file`
[INFO] [stdout]   --> src/record/changekeeper.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let snap_summaries_location_in_file = file_names_location_in_file + file_names_capacity;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_snap_summaries_location_in_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dir_entry`
[INFO] [stdout]   --> src/io/fs_operation.rs:11:29
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn enter_dir(&mut self, dir_entry: &DirEntry) -> Result<(), ArbfsErr> {
[INFO] [stdout]    |                             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dir_entry`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ignore`
[INFO] [stdout]    --> src/record/alters.rs:210:9
[INFO] [stdout]     |
[INFO] [stdout] 210 |     let ignore = myers::diff(&mut  replace, &ref_lines, 0, ref_lines.len(), &comp_lines, 0, comp_lines.len())?;
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ignore`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new`
[INFO] [stdout]    --> src/record/alters.rs:262:50
[INFO] [stdout]     |
[INFO] [stdout] 262 |     fn delete(&mut self, old: usize, len: usize, new: usize) -> Result<(), Self::Error> {
[INFO] [stdout]     |                                                  ^^^ help: if this is intentional, prefix it with an underscore: `_new`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Change` is never used
[INFO] [stdout]   --> src/record/change.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum Change {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SnapshotSummary` is never constructed
[INFO] [stdout]   --> src/record/change.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct SnapshotSummary {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `nodes` is never read
[INFO] [stdout]   --> src/record/change.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct AlterHistory {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 25 |
[INFO] [stdout] 26 |     nodes: Vec<alters::AlterNode>
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `receive_alters`, `load`, and `store` are never used
[INFO] [stdout]   --> src/record/change.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl AlterHistory {
[INFO] [stdout]    | ----------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn receive_alters(&self, alters: Vec<AlterMessage>, snapshot: &[u8; 32]) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn load(){
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn store(self) -> ChangeListReader {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ChangeListReader` is never constructed
[INFO] [stdout]   --> src/record/change.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub struct ChangeListReader {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SnapshotSummary` is never constructed
[INFO] [stdout]   --> src/record/changekeeper.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct SnapshotSummary {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ChangeKeeper` is never constructed
[INFO] [stdout]   --> src/record/changekeeper.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct ChangeKeeper {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/record/changekeeper.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl ChangeKeeper {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 34 |     pub fn new(init_snapshot_id: [u8; 32], file_names: Vec<String>, init_snapshot_changes: Vec<Change>) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `REM` is never constructed
[INFO] [stdout]   --> src/record/alters.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub enum AlterKind {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] 17 |     ADD,
[INFO] [stdout] 18 |     REM
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AlterKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Alter` is never used
[INFO] [stdout]   --> src/record/alters.rs:21:11
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub trait Alter {
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `to_alter` are never used
[INFO] [stdout]   --> src/record/alters.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 51 | impl AlterMessage {
[INFO] [stdout]    | ----------------- associated items in this implementation
[INFO] [stdout] 52 |     pub fn new(kind: AlterKind, index_start: usize, index_end: usize, bytes: Vec<u8>) -> AlterMessage {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub fn to_alter(&self) -> RawAlter {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `index_start`, `index_end`, and `snapshot` are never read
[INFO] [stdout]    --> src/record/alters.rs:98:5
[INFO] [stdout]     |
[INFO] [stdout]  97 | pub struct AlterAddNode {
[INFO] [stdout]     |            ------------ fields in this struct
[INFO] [stdout]  98 |     index_start: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]  99 |     index_end: usize,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 100 |     snapshot: [u8; 32]
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `left_removed_bytes`, `removed_alters`, `right_removed_bytes`, and `snapshot` are never read
[INFO] [stdout]    --> src/record/alters.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 112 | pub struct AlterRemNode {
[INFO] [stdout]     |            ------------ fields in this struct
[INFO] [stdout] 113 |     left_removed_bytes: Vec<u8>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 114 |     removed_alters: VecDeque<RawAlter>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 115 |     right_removed_bytes: Vec<u8>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 116 |     snapshot: [u8; 32]
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/record/alters.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |     Add(AlterAddNode),
[INFO] [stdout]     |     --- ^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 130 -     Add(AlterAddNode),
[INFO] [stdout] 130 +     Add(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/record/alters.rs:329:9
[INFO] [stdout]     |
[INFO] [stdout] 329 |     let mut arbfs_reader = ArbfsReader::new(file);
[INFO] [stdout]     |         ----^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Rem` is never constructed
[INFO] [stdout]    --> src/record/alters.rs:131:5
[INFO] [stdout]     |
[INFO] [stdout] 129 | pub enum AlterNode {
[INFO] [stdout]     |          --------- variant in this enum
[INFO] [stdout] 130 |     Add(AlterAddNode),
[INFO] [stdout] 131 |     Rem(AlterRemNode)
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_alter_messages` is never used
[INFO] [stdout]    --> src/record/alters.rs:161:8
[INFO] [stdout]     |
[INFO] [stdout] 161 | pub fn generate_alter_messages(ref_reader: &mut ArbfsReader, comp_reader: &mut ArbfsReader) -> Result<Vec<AlterMessage>, Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AlterDiffHandler` is never constructed
[INFO] [stdout]    --> src/record/alters.rs:230:8
[INFO] [stdout]     |
[INFO] [stdout] 230 | struct AlterDiffHandler<'a> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `consume` are never used
[INFO] [stdout]    --> src/record/alters.rs:239:8
[INFO] [stdout]     |
[INFO] [stdout] 238 | impl<'a> AlterDiffHandler<'a> {
[INFO] [stdout]     | ----------------------------- associated items in this implementation
[INFO] [stdout] 239 |     fn new(
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 254 |     fn consume(self) -> Vec<alters::AlterMessage>{
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `apply_alters` is never used
[INFO] [stdout]    --> src/record/alters.rs:320:4
[INFO] [stdout]     |
[INFO] [stdout] 320 | fn apply_alters(alters: &[AlterMessage], file: File, change_file: AlterHistory, new_file: File) -> Result<(), Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `apply_alters_file` is never used
[INFO] [stdout]    --> src/record/alters.rs:327:4
[INFO] [stdout]     |
[INFO] [stdout] 327 | fn apply_alters_file(alters: &[AlterMessage], file: File, mut new_file: File) -> Result<(), Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `apply_alters_change_file` is never used
[INFO] [stdout]    --> src/record/alters.rs:357:4
[INFO] [stdout]     |
[INFO] [stdout] 357 | fn apply_alters_change_file(alters: &[AlterMessage], change_file: AlterHistory) -> Result<(), Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `alters`
[INFO] [stdout]    --> src/record/alters.rs:357:29
[INFO] [stdout]     |
[INFO] [stdout] 357 | fn apply_alters_change_file(alters: &[AlterMessage], change_file: AlterHistory) -> Result<(), Error> {
[INFO] [stdout]     |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_alters`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `apply_patch` is never used
[INFO] [stdout]    --> src/record/alters.rs:362:4
[INFO] [stdout]     |
[INFO] [stdout] 362 | fn apply_patch(patch_file: &str, target_file: &str) {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `InitRecord` is never used
[INFO] [stdout]   --> src/record/init_record.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait InitRecord {
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_patch` is never used
[INFO] [stdout]  --> src/record/patch.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn generate_patch(){
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `apply_patch` is never used
[INFO] [stdout]  --> src/record/patch.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn apply_patch(){
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get` and `capacity` are never used
[INFO] [stdout]   --> src/record/arbmap.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Arbmap {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn get(&self, snapshot_id: [u8; 32]) -> (usize, [u8; 32]) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 83 |     pub(crate) fn capacity(&self) -> usize {
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FilesystemNode` is never constructed
[INFO] [stdout]   --> src/record/init_rec.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct FilesystemNode {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `next_line_utf8`, `next_line_utf16`, and `last_read_byte_index` are never used
[INFO] [stdout]   --> src/io/arbfs_reader.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl ArbfsReader {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn next_line_utf8(&mut self) -> Option<io::Result<(usize, Vec<u8>)>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub fn next_line_utf16(&mut self) -> Option<io::Result<Vec<u8>>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |     pub fn last_read_byte_index(&self) -> Option<usize> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_write` is never used
[INFO] [stdout]   --> src/io/utils.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn read_write(src_name: &str, dest_name: &str) -> Result<u64,Error> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_write_buffered` is never used
[INFO] [stdout]   --> src/io/utils.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn read_write_buffered(src_name: &str, dest_name: &str) -> Result<u64,Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `verify_sync` is never used
[INFO] [stdout]   --> src/io/utils.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub fn verify_sync(file_name1: &str, file_name2: &str) -> Result<(), String>{
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `copy_metaData` is never used
[INFO] [stdout]    --> src/io/utils.rs:143:4
[INFO] [stdout]     |
[INFO] [stdout] 143 | fn copy_metaData(file_name1: &str, file_name2: &str) -> Result<(), Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_abc_bytes` is never used
[INFO] [stdout]    --> src/io/utils.rs:207:8
[INFO] [stdout]     |
[INFO] [stdout] 207 | pub fn generate_abc_bytes(size: usize) -> Vec<u8> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `travel_bfs` is never used
[INFO] [stdout]   --> src/io/fs_traveler.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl FsTraveler<Ready> {
[INFO] [stdout]    | ---------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 87 |     pub fn travel_bfs<T: AsRef<Path>>(mut self, path: T) -> Result<FsTraveler<Consumed>, ArbfsErr> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `take_back` is never used
[INFO] [stdout]    --> src/io/fs_traveler.rs:139:12
[INFO] [stdout]     |
[INFO] [stdout] 138 | impl FsTraveler<Consumed> {
[INFO] [stdout]     | ------------------------- method in this implementation
[INFO] [stdout] 139 |     pub fn take_back(&mut self, i: usize) -> FsTravelOperationKind {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `change_file`
[INFO] [stdout]    --> src/record/alters.rs:357:54
[INFO] [stdout]     |
[INFO] [stdout] 357 | fn apply_alters_change_file(alters: &[AlterMessage], change_file: AlterHistory) -> Result<(), Error> {
[INFO] [stdout]     |                                                      ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_change_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `patch_file`
[INFO] [stdout]    --> src/record/alters.rs:362:16
[INFO] [stdout]     |
[INFO] [stdout] 362 | fn apply_patch(patch_file: &str, target_file: &str) {
[INFO] [stdout]     |                ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_patch_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target_file`
[INFO] [stdout]    --> src/record/alters.rs:362:34
[INFO] [stdout]     |
[INFO] [stdout] 362 | fn apply_patch(patch_file: &str, target_file: &str) {
[INFO] [stdout]     |                                  ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_target_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `copy_metaData` should have a snake case name
[INFO] [stdout]    --> src/io/utils.rs:143:4
[INFO] [stdout]     |
[INFO] [stdout] 143 | fn copy_metaData(file_name1: &str, file_name2: &str) -> Result<(), Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^ help: convert the identifier to snake case: `copy_meta_data`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `change_list`
[INFO] [stdout]   --> src/record/init_record.rs:87:21
[INFO] [stdout]    |
[INFO] [stdout] 87 |                 let change_list = AlterHistory::new(reader, snapshot_hash);
[INFO] [stdout]    |                     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_change_list`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/record/arbmap.rs:116:13
[INFO] [stdout]     |
[INFO] [stdout] 116 |         for i in 0..2048 {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `simulated_address` is never read
[INFO] [stdout]    --> src/record/arbmap.rs:115:37
[INFO] [stdout]     |
[INFO] [stdout] 115 |         let mut simulated_address = rng.random::<u64>() as usize;
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 119 |             simulated_address = rng.random::<u64>() as usize;
[INFO] [stdout]     |             ------------------------------------------------ `simulated_address` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `change_list`
[INFO] [stdout]   --> src/record/init_rec.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 |             let change_list = AlterHistory::new(reader, &self.snapshot_hash);
[INFO] [stdout]    |                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_change_list`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `root_path`
[INFO] [stdout]   --> src/record/init_changekeeper.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn setup(&mut self, root_path: &PathBuf) -> Result<(), ArbfsErr> {
[INFO] [stdout]    |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_root_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/io/utils.rs:151:5
[INFO] [stdout]     |
[INFO] [stdout] 151 |     meta_data1.accessed();
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 151 |     let _ = meta_data1.accessed();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/io/utils.rs:152:5
[INFO] [stdout]     |
[INFO] [stdout] 152 |     meta_data1.created();
[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] 152 |     let _ = meta_data1.created();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::fs::Metadata::permissions` that must be used
[INFO] [stdout]    --> src/io/utils.rs:153:5
[INFO] [stdout]     |
[INFO] [stdout] 153 |     meta_data1.permissions();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 153 |     let _ = meta_data1.permissions();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::fs::Metadata::is_dir` that must be used
[INFO] [stdout]    --> src/io/utils.rs:154:5
[INFO] [stdout]     |
[INFO] [stdout] 154 |     meta_data1.is_dir();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 154 |     let _ = meta_data1.is_dir();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/io/arbfs_writer.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let mut available_in_buff = BUFFER_SIZE - self.filled_bytes;
[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/io/utils.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let mut file_in = File::open(path_in)?;
[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/io/utils.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let mut file_out = File::create(path_out)?;
[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/io/utils.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let mut reached_eof = false;
[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/io/utils.rs:117:13
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let mut left_in_buff1 = read_bytes_in_buff1 - m;
[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/io/utils.rs:118:13
[INFO] [stdout]     |
[INFO] [stdout] 118 |         let mut left_in_buff2 = read_bytes_in_buff2 - m;
[INFO] [stdout]     |             ----^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `meta_data2`
[INFO] [stdout]    --> src/io/utils.rs:149:9
[INFO] [stdout]     |
[INFO] [stdout] 149 |     let meta_data2 = fs::metadata(path2)?;
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_meta_data2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dir_entry`
[INFO] [stdout]   --> src/io/fs_operation.rs:11:29
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn enter_dir(&mut self, dir_entry: &DirEntry) -> Result<(), ArbfsErr> {
[INFO] [stdout]    |                             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dir_entry`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Change` is never used
[INFO] [stdout]   --> src/record/change.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum Change {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SnapshotSummary` is never constructed
[INFO] [stdout]   --> src/record/change.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct SnapshotSummary {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `nodes` is never read
[INFO] [stdout]   --> src/record/change.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct AlterHistory {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 25 |
[INFO] [stdout] 26 |     nodes: Vec<alters::AlterNode>
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `receive_alters`, `load`, and `store` are never used
[INFO] [stdout]   --> src/record/change.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl AlterHistory {
[INFO] [stdout]    | ----------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn receive_alters(&self, alters: Vec<AlterMessage>, snapshot: &[u8; 32]) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn load(){
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn store(self) -> ChangeListReader {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ChangeListReader` is never constructed
[INFO] [stdout]   --> src/record/change.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub struct ChangeListReader {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SnapshotSummary` is never constructed
[INFO] [stdout]   --> src/record/changekeeper.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct SnapshotSummary {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ChangeKeeper` is never constructed
[INFO] [stdout]   --> src/record/changekeeper.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct ChangeKeeper {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/record/changekeeper.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl ChangeKeeper {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 34 |     pub fn new(init_snapshot_id: [u8; 32], file_names: Vec<String>, init_snapshot_changes: Vec<Change>) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `REM` is never constructed
[INFO] [stdout]   --> src/record/alters.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub enum AlterKind {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] 17 |     ADD,
[INFO] [stdout] 18 |     REM
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AlterKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Alter` is never used
[INFO] [stdout]   --> src/record/alters.rs:21:11
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub trait Alter {
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `to_alter` are never used
[INFO] [stdout]   --> src/record/alters.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 51 | impl AlterMessage {
[INFO] [stdout]    | ----------------- associated items in this implementation
[INFO] [stdout] 52 |     pub fn new(kind: AlterKind, index_start: usize, index_end: usize, bytes: Vec<u8>) -> AlterMessage {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub fn to_alter(&self) -> RawAlter {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `index_start`, `index_end`, and `snapshot` are never read
[INFO] [stdout]    --> src/record/alters.rs:98:5
[INFO] [stdout]     |
[INFO] [stdout]  97 | pub struct AlterAddNode {
[INFO] [stdout]     |            ------------ fields in this struct
[INFO] [stdout]  98 |     index_start: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]  99 |     index_end: usize,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 100 |     snapshot: [u8; 32]
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `left_removed_bytes`, `removed_alters`, `right_removed_bytes`, and `snapshot` are never read
[INFO] [stdout]    --> src/record/alters.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 112 | pub struct AlterRemNode {
[INFO] [stdout]     |            ------------ fields in this struct
[INFO] [stdout] 113 |     left_removed_bytes: Vec<u8>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 114 |     removed_alters: VecDeque<RawAlter>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 115 |     right_removed_bytes: Vec<u8>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 116 |     snapshot: [u8; 32]
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/record/alters.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |     Add(AlterAddNode),
[INFO] [stdout]     |     --- ^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 130 -     Add(AlterAddNode),
[INFO] [stdout] 130 +     Add(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Rem` is never constructed
[INFO] [stdout]    --> src/record/alters.rs:131:5
[INFO] [stdout]     |
[INFO] [stdout] 129 | pub enum AlterNode {
[INFO] [stdout]     |          --------- variant in this enum
[INFO] [stdout] 130 |     Add(AlterAddNode),
[INFO] [stdout] 131 |     Rem(AlterRemNode)
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_alter_messages` is never used
[INFO] [stdout]    --> src/record/alters.rs:161:8
[INFO] [stdout]     |
[INFO] [stdout] 161 | pub fn generate_alter_messages(ref_reader: &mut ArbfsReader, comp_reader: &mut ArbfsReader) -> Result<Vec<AlterMessage>, Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AlterDiffHandler` is never constructed
[INFO] [stdout]    --> src/record/alters.rs:230:8
[INFO] [stdout]     |
[INFO] [stdout] 230 | struct AlterDiffHandler<'a> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `consume` are never used
[INFO] [stdout]    --> src/record/alters.rs:239:8
[INFO] [stdout]     |
[INFO] [stdout] 238 | impl<'a> AlterDiffHandler<'a> {
[INFO] [stdout]     | ----------------------------- associated items in this implementation
[INFO] [stdout] 239 |     fn new(
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 254 |     fn consume(self) -> Vec<alters::AlterMessage>{
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `apply_alters` is never used
[INFO] [stdout]    --> src/record/alters.rs:320:4
[INFO] [stdout]     |
[INFO] [stdout] 320 | fn apply_alters(alters: &[AlterMessage], file: File, change_file: AlterHistory, new_file: File) -> Result<(), Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `apply_alters_file` is never used
[INFO] [stdout]    --> src/record/alters.rs:327:4
[INFO] [stdout]     |
[INFO] [stdout] 327 | fn apply_alters_file(alters: &[AlterMessage], file: File, mut new_file: File) -> Result<(), Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `apply_alters_change_file` is never used
[INFO] [stdout]    --> src/record/alters.rs:357:4
[INFO] [stdout]     |
[INFO] [stdout] 357 | fn apply_alters_change_file(alters: &[AlterMessage], change_file: AlterHistory) -> Result<(), Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `apply_patch` is never used
[INFO] [stdout]    --> src/record/alters.rs:362:4
[INFO] [stdout]     |
[INFO] [stdout] 362 | fn apply_patch(patch_file: &str, target_file: &str) {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `InitRecord` is never used
[INFO] [stdout]   --> src/record/init_record.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait InitRecord {
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_patch` is never used
[INFO] [stdout]  --> src/record/patch.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn generate_patch(){
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `apply_patch` is never used
[INFO] [stdout]  --> src/record/patch.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn apply_patch(){
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get` and `capacity` are never used
[INFO] [stdout]   --> src/record/arbmap.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Arbmap {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn get(&self, snapshot_id: [u8; 32]) -> (usize, [u8; 32]) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 83 |     pub(crate) fn capacity(&self) -> usize {
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FilesystemNode` is never constructed
[INFO] [stdout]   --> src/record/init_rec.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct FilesystemNode {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `copy_metaData` is never used
[INFO] [stdout]    --> src/io/utils.rs:143:4
[INFO] [stdout]     |
[INFO] [stdout] 143 | fn copy_metaData(file_name1: &str, file_name2: &str) -> Result<(), Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `copy_metaData` should have a snake case name
[INFO] [stdout]    --> src/io/utils.rs:143:4
[INFO] [stdout]     |
[INFO] [stdout] 143 | fn copy_metaData(file_name1: &str, file_name2: &str) -> Result<(), Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^ help: convert the identifier to snake case: `copy_meta_data`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/io/utils.rs:151:5
[INFO] [stdout]     |
[INFO] [stdout] 151 |     meta_data1.accessed();
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 151 |     let _ = meta_data1.accessed();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/io/utils.rs:152:5
[INFO] [stdout]     |
[INFO] [stdout] 152 |     meta_data1.created();
[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] 152 |     let _ = meta_data1.created();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Metadata::permissions` that must be used
[INFO] [stdout]    --> src/io/utils.rs:153:5
[INFO] [stdout]     |
[INFO] [stdout] 153 |     meta_data1.permissions();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 153 |     let _ = meta_data1.permissions();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Metadata::is_dir` that must be used
[INFO] [stdout]    --> src/io/utils.rs:154:5
[INFO] [stdout]     |
[INFO] [stdout] 154 |     meta_data1.is_dir();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 154 |     let _ = meta_data1.is_dir();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "3fa7098d4884ea888ed7e9386858645bef889a237d0c9f071a813b9a6443edbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3fa7098d4884ea888ed7e9386858645bef889a237d0c9f071a813b9a6443edbf" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::fmt::Display`
[INFO] [stderr]  --> src/record/change.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::fmt::Display;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::SystemTime`
[INFO] [stderr]  --> src/record/change.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::time::SystemTime;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/record/changekeeper.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `DirEntry` and `File`
[INFO] [stderr]  --> src/record/changekeeper.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fs::{DirEntry, File};
[INFO] [stderr]   |               ^^^^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Error`
[INFO] [stderr]  --> src/record/changekeeper.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `PathBuf` and `Path`
[INFO] [stderr]  --> src/record/changekeeper.rs:4:17
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::path::{Path, PathBuf};
[INFO] [stderr]   |                 ^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]  --> src/record/changekeeper.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::Write;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::errors::ArbfsErr`
[INFO] [stderr]  --> src/record/changekeeper.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::errors::ArbfsErr;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `FsTravelOperationKind` and `FsTravelOperation`
[INFO] [stderr]  --> src/record/changekeeper.rs:7:31
[INFO] [stderr]   |
[INFO] [stderr] 7 | use crate::io::fs_operation::{FsTravelOperation, FsTravelOperationKind};
[INFO] [stderr]   |                               ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `LinkedList`
[INFO] [stderr]  --> src/record/alters.rs:1:24
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::{LinkedList, VecDeque};
[INFO] [stderr]   |                        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]  --> src/record/alters.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::path::Path;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]  --> src/record/arbmap.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::Write;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/record/arbmap.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 |     (first_addressable_bits & size_minus_one)
[INFO] [stderr]     |     ^                                       ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 100 -     (first_addressable_bits & size_minus_one)
[INFO] [stderr] 100 +     first_addressable_bits & size_minus_one
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ffi::OsString`
[INFO] [stderr]  --> src/record/init_rec.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ffi::OsString;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ffi::OsString`
[INFO] [stderr]  --> src/record/init_changekeeper.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ffi::OsString;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BufRead`
[INFO] [stderr]  --> src/io/arbfs_reader.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::{BufRead};
[INFO] [stderr]   |               ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `OsString`
[INFO] [stderr]  --> src/io/utils.rs:1:23
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ffi::{OsStr, OsString};
[INFO] [stderr]   |                       ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `DirEntry`
[INFO] [stderr]  --> src/io/fs_traveler.rs:7:15
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::fs::{DirEntry, ReadDir};
[INFO] [stderr]   |               ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `record::init_record::InitRecord`
[INFO] [stderr]   --> src/lib.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use record::init_record::InitRecord;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `record::init_rec::FilesystemNode`
[INFO] [stderr]   --> src/lib.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use record::init_rec::FilesystemNode;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tracing::instrument`
[INFO] [stderr]   --> src/lib.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use tracing::instrument;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/record/alters.rs:4:22
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::{Error, Read, Write};
[INFO] [stderr]   |                      ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `byte`
[INFO] [stderr]   --> src/record/change.rs:33:19
[INFO] [stderr]    |
[INFO] [stderr] 33 |         if let Ok(byte) =  reader.peek() {
[INFO] [stderr]    |                   ^^^^ help: if this is intentional, prefix it with an underscore: `_byte`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `alters`
[INFO] [stderr]   --> src/record/change.rs:42:34
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn receive_alters(&self, alters: Vec<AlterMessage>, snapshot: &[u8; 32]) {
[INFO] [stderr]    |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_alters`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `snapshot`
[INFO] [stderr]   --> src/record/change.rs:42:61
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn receive_alters(&self, alters: Vec<AlterMessage>, snapshot: &[u8; 32]) {
[INFO] [stderr]    |                                                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_snapshot`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]   --> src/record/change.rs:63:24
[INFO] [stderr]    |
[INFO] [stderr] 63 |     fn read(&mut self, buf: &mut [u8]) -> std::io::Result<usize> {
[INFO] [stderr]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `init_snapshot_id`
[INFO] [stderr]   --> src/record/changekeeper.rs:34:16
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn new(init_snapshot_id: [u8; 32], file_names: Vec<String>, init_snapshot_changes: Vec<Change>) {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_init_snapshot_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `snap_summaries`
[INFO] [stderr]   --> src/record/changekeeper.rs:70:13
[INFO] [stderr]    |
[INFO] [stderr] 70 |         let snap_summaries = vec![snapshot_summary];
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_snap_summaries`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `snap_summaries_location_in_file`
[INFO] [stderr]   --> src/record/changekeeper.rs:71:13
[INFO] [stderr]    |
[INFO] [stderr] 71 |         let snap_summaries_location_in_file = file_names_location_in_file + file_names_capacity;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_snap_summaries_location_in_file`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ignore`
[INFO] [stderr]    --> src/record/alters.rs:210:9
[INFO] [stderr]     |
[INFO] [stderr] 210 |     let ignore = myers::diff(&mut  replace, &ref_lines, 0, ref_lines.len(), &comp_lines, 0, comp_lines.len())?;
[INFO] [stderr]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ignore`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `new`
[INFO] [stderr]    --> src/record/alters.rs:262:50
[INFO] [stderr]     |
[INFO] [stderr] 262 |     fn delete(&mut self, old: usize, len: usize, new: usize) -> Result<(), Self::Error> {
[INFO] [stderr]     |                                                  ^^^ help: if this is intentional, prefix it with an underscore: `_new`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/record/alters.rs:329:9
[INFO] [stderr]     |
[INFO] [stderr] 329 |     let mut arbfs_reader = ArbfsReader::new(file);
[INFO] [stderr]     |         ----^^^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `alters`
[INFO] [stderr]    --> src/record/alters.rs:357:29
[INFO] [stderr]     |
[INFO] [stderr] 357 | fn apply_alters_change_file(alters: &[AlterMessage], change_file: AlterHistory) -> Result<(), Error> {
[INFO] [stderr]     |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_alters`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `change_file`
[INFO] [stderr]    --> src/record/alters.rs:357:54
[INFO] [stderr]     |
[INFO] [stderr] 357 | fn apply_alters_change_file(alters: &[AlterMessage], change_file: AlterHistory) -> Result<(), Error> {
[INFO] [stderr]     |                                                      ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_change_file`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `patch_file`
[INFO] [stderr]    --> src/record/alters.rs:362:16
[INFO] [stderr]     |
[INFO] [stderr] 362 | fn apply_patch(patch_file: &str, target_file: &str) {
[INFO] [stderr]     |                ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_patch_file`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `target_file`
[INFO] [stderr]    --> src/record/alters.rs:362:34
[INFO] [stderr]     |
[INFO] [stderr] 362 | fn apply_patch(patch_file: &str, target_file: &str) {
[INFO] [stderr]     |                                  ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_target_file`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `change_list`
[INFO] [stderr]   --> src/record/init_record.rs:87:21
[INFO] [stderr]    |
[INFO] [stderr] 87 |                 let change_list = AlterHistory::new(reader, snapshot_hash);
[INFO] [stderr]    |                     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_change_list`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `change_list`
[INFO] [stderr]   --> src/record/init_rec.rs:77:17
[INFO] [stderr]    |
[INFO] [stderr] 77 |             let change_list = AlterHistory::new(reader, &self.snapshot_hash);
[INFO] [stderr]    |                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_change_list`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `root_path`
[INFO] [stderr]   --> src/record/init_changekeeper.rs:36:25
[INFO] [stderr]    |
[INFO] [stderr] 36 |     fn setup(&mut self, root_path: &PathBuf) -> Result<(), ArbfsErr> {
[INFO] [stderr]    |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_root_path`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/io/arbfs_writer.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let mut available_in_buff = BUFFER_SIZE - self.filled_bytes;
[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/io/utils.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let mut file_in = File::open(path_in)?;
[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/io/utils.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |     let mut file_out = File::create(path_out)?;
[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/io/utils.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 |     let mut reached_eof = false;
[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/io/utils.rs:117:13
[INFO] [stderr]     |
[INFO] [stderr] 117 |         let mut left_in_buff1 = read_bytes_in_buff1 - m;
[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/io/utils.rs:118:13
[INFO] [stderr]     |
[INFO] [stderr] 118 |         let mut left_in_buff2 = read_bytes_in_buff2 - m;
[INFO] [stderr]     |             ----^^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `meta_data2`
[INFO] [stderr]    --> src/io/utils.rs:149:9
[INFO] [stderr]     |
[INFO] [stderr] 149 |     let meta_data2 = fs::metadata(path2)?;
[INFO] [stderr]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_meta_data2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dir_entry`
[INFO] [stderr]   --> src/io/fs_operation.rs:11:29
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn enter_dir(&mut self, dir_entry: &DirEntry) -> Result<(), ArbfsErr> {
[INFO] [stderr]    |                             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dir_entry`
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Change` is never used
[INFO] [stderr]   --> src/record/change.rs:10:10
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub enum Change {
[INFO] [stderr]    |          ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `SnapshotSummary` is never constructed
[INFO] [stderr]   --> src/record/change.rs:17:12
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub struct SnapshotSummary {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `nodes` is never read
[INFO] [stderr]   --> src/record/change.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub struct AlterHistory {
[INFO] [stderr]    |            ------------ field in this struct
[INFO] [stderr] 25 |
[INFO] [stderr] 26 |     nodes: Vec<alters::AlterNode>
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `receive_alters`, `load`, and `store` are never used
[INFO] [stderr]   --> src/record/change.rs:42:12
[INFO] [stderr]    |
[INFO] [stderr] 29 | impl AlterHistory {
[INFO] [stderr]    | ----------------- associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 42 |     pub fn receive_alters(&self, alters: Vec<AlterMessage>, snapshot: &[u8; 32]) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 47 |     pub fn load(){
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 52 |     pub fn store(self) -> ChangeListReader {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ChangeListReader` is never constructed
[INFO] [stderr]   --> src/record/change.rs:58:12
[INFO] [stderr]    |
[INFO] [stderr] 58 | pub struct ChangeListReader {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `SnapshotSummary` is never constructed
[INFO] [stderr]   --> src/record/changekeeper.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct SnapshotSummary {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ChangeKeeper` is never constructed
[INFO] [stderr]   --> src/record/changekeeper.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub struct ChangeKeeper {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/record/changekeeper.rs:34:12
[INFO] [stderr]    |
[INFO] [stderr] 33 | impl ChangeKeeper {
[INFO] [stderr]    | ----------------- associated function in this implementation
[INFO] [stderr] 34 |     pub fn new(init_snapshot_id: [u8; 32], file_names: Vec<String>, init_snapshot_changes: Vec<Change>) {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `REM` is never constructed
[INFO] [stderr]   --> src/record/alters.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub enum AlterKind {
[INFO] [stderr]    |          --------- variant in this enum
[INFO] [stderr] 17 |     ADD,
[INFO] [stderr] 18 |     REM
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `AlterKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Alter` is never used
[INFO] [stderr]   --> src/record/alters.rs:21:11
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub trait Alter {
[INFO] [stderr]    |           ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new` and `to_alter` are never used
[INFO] [stderr]   --> src/record/alters.rs:52:12
[INFO] [stderr]    |
[INFO] [stderr] 51 | impl AlterMessage {
[INFO] [stderr]    | ----------------- associated items in this implementation
[INFO] [stderr] 52 |     pub fn new(kind: AlterKind, index_start: usize, index_end: usize, bytes: Vec<u8>) -> AlterMessage {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 59 |     pub fn to_alter(&self) -> RawAlter {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `index_start`, `index_end`, and `snapshot` are never read
[INFO] [stderr]    --> src/record/alters.rs:98:5
[INFO] [stderr]     |
[INFO] [stderr]  97 | pub struct AlterAddNode {
[INFO] [stderr]     |            ------------ fields in this struct
[INFO] [stderr]  98 |     index_start: usize,
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr]  99 |     index_end: usize,
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stderr] 100 |     snapshot: [u8; 32]
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `left_removed_bytes`, `removed_alters`, `right_removed_bytes`, and `snapshot` are never read
[INFO] [stderr]    --> src/record/alters.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 112 | pub struct AlterRemNode {
[INFO] [stderr]     |            ------------ fields in this struct
[INFO] [stderr] 113 |     left_removed_bytes: Vec<u8>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 114 |     removed_alters: VecDeque<RawAlter>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 115 |     right_removed_bytes: Vec<u8>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 116 |     snapshot: [u8; 32]
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/record/alters.rs:130:9
[INFO] [stderr]     |
[INFO] [stderr] 130 |     Add(AlterAddNode),
[INFO] [stderr]     |     --- ^^^^^^^^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 130 -     Add(AlterAddNode),
[INFO] [stderr] 130 +     Add(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Rem` is never constructed
[INFO] [stderr]    --> src/record/alters.rs:131:5
[INFO] [stderr]     |
[INFO] [stderr] 129 | pub enum AlterNode {
[INFO] [stderr]     |          --------- variant in this enum
[INFO] [stderr] 130 |     Add(AlterAddNode),
[INFO] [stderr] 131 |     Rem(AlterRemNode)
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `generate_alter_messages` is never used
[INFO] [stderr]    --> src/record/alters.rs:161:8
[INFO] [stderr]     |
[INFO] [stderr] 161 | pub fn generate_alter_messages(ref_reader: &mut ArbfsReader, comp_reader: &mut ArbfsReader) -> Result<Vec<AlterMessage>, Error> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `AlterDiffHandler` is never constructed
[INFO] [stderr]    --> src/record/alters.rs:230:8
[INFO] [stderr]     |
[INFO] [stderr] 230 | struct AlterDiffHandler<'a> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new` and `consume` are never used
[INFO] [stderr]    --> src/record/alters.rs:239:8
[INFO] [stderr]     |
[INFO] [stderr] 238 | impl<'a> AlterDiffHandler<'a> {
[INFO] [stderr]     | ----------------------------- associated items in this implementation
[INFO] [stderr] 239 |     fn new(
[INFO] [stderr]     |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 254 |     fn consume(self) -> Vec<alters::AlterMessage>{
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `apply_alters` is never used
[INFO] [stderr]    --> src/record/alters.rs:320:4
[INFO] [stderr]     |
[INFO] [stderr] 320 | fn apply_alters(alters: &[AlterMessage], file: File, change_file: AlterHistory, new_file: File) -> Result<(), Error> {
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `apply_alters_file` is never used
[INFO] [stderr]    --> src/record/alters.rs:327:4
[INFO] [stderr]     |
[INFO] [stderr] 327 | fn apply_alters_file(alters: &[AlterMessage], file: File, mut new_file: File) -> Result<(), Error> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `apply_alters_change_file` is never used
[INFO] [stderr]    --> src/record/alters.rs:357:4
[INFO] [stderr]     |
[INFO] [stderr] 357 | fn apply_alters_change_file(alters: &[AlterMessage], change_file: AlterHistory) -> Result<(), Error> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `apply_patch` is never used
[INFO] [stderr]    --> src/record/alters.rs:362:4
[INFO] [stderr]     |
[INFO] [stderr] 362 | fn apply_patch(patch_file: &str, target_file: &str) {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `InitRecord` is never used
[INFO] [stderr]   --> src/record/init_record.rs:11:11
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub trait InitRecord {
[INFO] [stderr]    |           ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `generate_patch` is never used
[INFO] [stderr]  --> src/record/patch.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn generate_patch(){
[INFO] [stderr]   |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `apply_patch` is never used
[INFO] [stderr]  --> src/record/patch.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn apply_patch(){
[INFO] [stderr]   |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `get` and `capacity` are never used
[INFO] [stderr]   --> src/record/arbmap.rs:57:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | impl Arbmap {
[INFO] [stderr]    | ----------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 57 |     pub fn get(&self, snapshot_id: [u8; 32]) -> (usize, [u8; 32]) {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 83 |     pub(crate) fn capacity(&self) -> usize {
[INFO] [stderr]    |                   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `FilesystemNode` is never constructed
[INFO] [stderr]   --> src/record/init_rec.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub struct FilesystemNode {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `next_line_utf8`, `next_line_utf16`, and `last_read_byte_index` are never used
[INFO] [stderr]   --> src/io/arbfs_reader.rs:26:12
[INFO] [stderr]    |
[INFO] [stderr] 23 | impl ArbfsReader {
[INFO] [stderr]    | ---------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 26 |     pub fn next_line_utf8(&mut self) -> Option<io::Result<(usize, Vec<u8>)>> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 45 |     pub fn next_line_utf16(&mut self) -> Option<io::Result<Vec<u8>>> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 73 |     pub fn last_read_byte_index(&self) -> Option<usize> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `read_write` is never used
[INFO] [stderr]   --> src/io/utils.rs:13:8
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn read_write(src_name: &str, dest_name: &str) -> Result<u64,Error> {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `read_write_buffered` is never used
[INFO] [stderr]   --> src/io/utils.rs:37:8
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub fn read_write_buffered(src_name: &str, dest_name: &str) -> Result<u64,Error> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `verify_sync` is never used
[INFO] [stderr]   --> src/io/utils.rs:59:8
[INFO] [stderr]    |
[INFO] [stderr] 59 | pub fn verify_sync(file_name1: &str, file_name2: &str) -> Result<(), String>{
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `copy_metaData` is never used
[INFO] [stderr]    --> src/io/utils.rs:143:4
[INFO] [stderr]     |
[INFO] [stderr] 143 | fn copy_metaData(file_name1: &str, file_name2: &str) -> Result<(), Error> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `generate_abc_bytes` is never used
[INFO] [stderr]    --> src/io/utils.rs:207:8
[INFO] [stderr]     |
[INFO] [stderr] 207 | pub fn generate_abc_bytes(size: usize) -> Vec<u8> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `travel_bfs` is never used
[INFO] [stderr]   --> src/io/fs_traveler.rs:87:12
[INFO] [stderr]    |
[INFO] [stderr] 17 | impl FsTraveler<Ready> {
[INFO] [stderr]    | ---------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 87 |     pub fn travel_bfs<T: AsRef<Path>>(mut self, path: T) -> Result<FsTraveler<Consumed>, ArbfsErr> {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `take_back` is never used
[INFO] [stderr]    --> src/io/fs_traveler.rs:139:12
[INFO] [stderr]     |
[INFO] [stderr] 138 | impl FsTraveler<Consumed> {
[INFO] [stderr]     | ------------------------- method in this implementation
[INFO] [stderr] 139 |     pub fn take_back(&mut self, i: usize) -> FsTravelOperationKind {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `copy_metaData` should have a snake case name
[INFO] [stderr]    --> src/io/utils.rs:143:4
[INFO] [stderr]     |
[INFO] [stderr] 143 | fn copy_metaData(file_name1: &str, file_name2: &str) -> Result<(), Error> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^ help: convert the identifier to snake case: `copy_meta_data`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/io/utils.rs:151:5
[INFO] [stderr]     |
[INFO] [stderr] 151 |     meta_data1.accessed();
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 151 |     let _ = meta_data1.accessed();
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/io/utils.rs:152:5
[INFO] [stderr]     |
[INFO] [stderr] 152 |     meta_data1.created();
[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] 152 |     let _ = meta_data1.created();
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::fs::Metadata::permissions` that must be used
[INFO] [stderr]    --> src/io/utils.rs:153:5
[INFO] [stderr]     |
[INFO] [stderr] 153 |     meta_data1.permissions();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 153 |     let _ = meta_data1.permissions();
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::fs::Metadata::is_dir` that must be used
[INFO] [stderr]    --> src/io/utils.rs:154:5
[INFO] [stderr]     |
[INFO] [stderr] 154 |     meta_data1.is_dir();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 154 |     let _ = meta_data1.is_dir();
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::record::alters`
[INFO] [stderr]    --> src/record/alters.rs:369:9
[INFO] [stderr]     |
[INFO] [stderr] 369 |     use crate::record::alters;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Rng`
[INFO] [stderr]    --> src/record/arbmap.rs:107:16
[INFO] [stderr]     |
[INFO] [stderr] 107 |     use rand::{Rng, RngExt};
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/record/arbmap.rs:116:13
[INFO] [stderr]     |
[INFO] [stderr] 116 |         for i in 0..2048 {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `simulated_address` is never read
[INFO] [stderr]    --> src/record/arbmap.rs:115:37
[INFO] [stderr]     |
[INFO] [stderr] 115 |         let mut simulated_address = rng.random::<u64>() as usize;
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stderr] ...
[INFO] [stderr] 119 |             simulated_address = rng.random::<u64>() as usize;
[INFO] [stderr]     |             ------------------------------------------------ `simulated_address` is overwritten here before the previous value is read
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `arbfs-prototype` (lib) generated 87 warnings (run `cargo fix --lib -p arbfs-prototype` to apply 46 suggestions)
[INFO] [stderr] warning: `arbfs-prototype` (lib test) generated 91 warnings (87 duplicates) (run `cargo fix --lib -p arbfs-prototype --tests` to apply 3 suggestions)
[INFO] [stderr] warning: unused imports: `File` and `read`
[INFO] [stderr]  --> src/main.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::fs::{read, File};
[INFO] [stderr]   |               ^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::io::Write;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::path::Path;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Decoder` and `Encoder`
[INFO] [stderr]  --> src/main.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 | use zstd::{Decoder, Encoder};
[INFO] [stderr]   |            ^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::io::arbfs_reader::ArbfsReader`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use crate::io::arbfs_reader::ArbfsReader;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::io::arbfs_writer::ArbfsWriter`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use crate::io::arbfs_writer::ArbfsWriter;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::io::utils::generate_abc_bytes`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use crate::io::utils::generate_abc_bytes;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::io::wttra_writer::WttraWriter`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use crate::io::wttra_writer::WttraWriter;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Metadata::permissions` that must be used
[INFO] [stderr]    --> src/io/utils.rs:153:5
[INFO] [stderr]     |
[INFO] [stderr] 153 |     meta_data1.permissions();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 153 |     let _ = meta_data1.permissions();
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Metadata::is_dir` that must be used
[INFO] [stderr]    --> src/io/utils.rs:154:5
[INFO] [stderr]     |
[INFO] [stderr] 154 |     meta_data1.is_dir();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 154 |     let _ = meta_data1.is_dir();
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `arbfs-prototype` (bin "arbfs-prototype" test) generated 89 warnings (79 duplicates) (run `cargo fix --bin "arbfs-prototype" -p arbfs-prototype --tests` to apply 8 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/arbfs_prototype-3911522678ef2234)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test io::arbfs_writer::tests::test_consumes_all_bytes_multiple_writes ... ok
[INFO] [stdout] test io::arbfs_writer::tests::test_consumes_all_bytes_one_write ... ok
[INFO] [stdout] test io::arbfs_reader::tests::test_arbfs_reader_next_consumes_all_bytes ... FAILED
[INFO] [stdout] test io::arbfs_reader::tests::test_arbfs_reader_read_consumes_all_bytes ... FAILED
[INFO] [stdout] test record::arbmap::tests::test_arbmap_add ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- io::arbfs_reader::tests::test_arbfs_reader_next_consumes_all_bytes stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'io::arbfs_reader::tests::test_arbfs_reader_next_consumes_all_bytes' (772) panicked at src/io/arbfs_reader.rs:224:70:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5fdb2dc174c1 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5fdb2dc174c1 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5fdb2dc174c1 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5fdb2dc174c1 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5fdb2dc2b24a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5fdb2dc2b24a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5fdb2dc1b97c - std[73adb7dc35730857]::io::default_write_fmt::<alloc[55a36b64bcbf2c0d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5fdb2dc1b97c - <alloc[55a36b64bcbf2c0d]::vec::Vec<u8> as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5fdb2dbf5b76 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5fdb2dbf5b76 - std[73adb7dc35730857]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5fdb2dc0f629 - std[73adb7dc35730857]::panicking::default_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5fdb2db9c5d0 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   12:     0x5fdb2db9c5d0 - test[980ffaebd391d06d]::test_main_inner::<test[980ffaebd391d06d]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5fdb2dc0f7e2 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   14:     0x5fdb2dc0f7e2 - std[73adb7dc35730857]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:823:13
[INFO] [stdout]   15:     0x5fdb2dbf5c22 - std[73adb7dc35730857]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:688:13
[INFO] [stdout]   16:     0x5fdb2dbed589 - std[73adb7dc35730857]::sys::backtrace::__rust_end_short_backtrace::<std[73adb7dc35730857]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5fdb2dbf681d - __rustc[a7b7b02e776dd976]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:679:5
[INFO] [stdout]   18:     0x5fdb2dc2b9dc - core[6883ba1bc0fe4ed1]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5fdb2dc2b752 - core[6883ba1bc0fe4ed1]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/result.rs:1870:5
[INFO] [stdout]   20:     0x5fdb2db8b1ef - <core[6883ba1bc0fe4ed1]::result::Result<std[73adb7dc35730857]::fs::File, core[6883ba1bc0fe4ed1]::io::error::Error>>::unwrap
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/result.rs:1231:23
[INFO] [stdout]   21:     0x5fdb2db8b1ef - arbfs_prototype[8fb210b19a896995]::io::arbfs_reader::tests::test_arbfs_reader_next_consumes_all_bytes
[INFO] [stdout]                                at /opt/rustwide/workdir/src/io/arbfs_reader.rs:224:70
[INFO] [stdout]   22:     0x5fdb2db88bc7 - arbfs_prototype[8fb210b19a896995]::io::arbfs_reader::tests::test_arbfs_reader_next_consumes_all_bytes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/io/arbfs_reader.rs:221:51
[INFO] [stdout]   23:     0x5fdb2db8ed86 - <arbfs_prototype[8fb210b19a896995]::io::arbfs_reader::tests::test_arbfs_reader_next_consumes_all_bytes::{closure#0} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5fdb2db8f90b - <fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5fdb2db8f90b - test[980ffaebd391d06d]::__rust_begin_short_backtrace::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:724:18
[INFO] [stdout]   26:     0x5fdb2db9cf55 - test[980ffaebd391d06d]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:74
[INFO] [stdout]   27:     0x5fdb2db9cf55 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   28:     0x5fdb2db9cf55 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   29:     0x5fdb2db9cf55 - std[73adb7dc35730857]::panicking::catch_unwind::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5fdb2db9cf55 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5fdb2db9cf55 - test[980ffaebd391d06d]::run_test_in_process
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:27
[INFO] [stdout]   32:     0x5fdb2db9cf55 - test[980ffaebd391d06d]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:668:43
[INFO] [stdout]   33:     0x5fdb2db97a04 - test[980ffaebd391d06d]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:698:41
[INFO] [stdout]   34:     0x5fdb2db97a04 - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x5fdb2dba00a2 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   36:     0x5fdb2dba00a2 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   37:     0x5fdb2dba00a2 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   38:     0x5fdb2dba00a2 - std[73adb7dc35730857]::panicking::catch_unwind::<(), core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x5fdb2dba00a2 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5fdb2dba00a2 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   41:     0x5fdb2dba00a2 - <std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5fdb2dc16d4f - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2319:9
[INFO] [stdout]   43:     0x5fdb2dc16d4f - <std[73adb7dc35730857]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/thread/unix.rs:123:17
[INFO] [stdout]   44:     0x78cd6ac71aa4 - <unknown>
[INFO] [stdout]   45:     0x78cd6acfea64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- io::arbfs_reader::tests::test_arbfs_reader_read_consumes_all_bytes stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'io::arbfs_reader::tests::test_arbfs_reader_read_consumes_all_bytes' (773) panicked at src/io/arbfs_reader.rs:244:70:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5fdb2dc174c1 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5fdb2dc174c1 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5fdb2dc174c1 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5fdb2dc174c1 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5fdb2dc2b24a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5fdb2dc2b24a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5fdb2dc1b97c - std[73adb7dc35730857]::io::default_write_fmt::<alloc[55a36b64bcbf2c0d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5fdb2dc1b97c - <alloc[55a36b64bcbf2c0d]::vec::Vec<u8> as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5fdb2dbf5b76 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5fdb2dbf5b76 - std[73adb7dc35730857]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5fdb2dc0f629 - std[73adb7dc35730857]::panicking::default_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5fdb2db9c5d0 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   12:     0x5fdb2db9c5d0 - test[980ffaebd391d06d]::test_main_inner::<test[980ffaebd391d06d]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5fdb2dc0f7e2 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   14:     0x5fdb2dc0f7e2 - std[73adb7dc35730857]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:823:13
[INFO] [stdout]   15:     0x5fdb2dbf5c22 - std[73adb7dc35730857]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:688:13
[INFO] [stdout]   16:     0x5fdb2dbed589 - std[73adb7dc35730857]::sys::backtrace::__rust_end_short_backtrace::<std[73adb7dc35730857]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5fdb2dbf681d - __rustc[a7b7b02e776dd976]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:679:5
[INFO] [stdout]   18:     0x5fdb2dc2b9dc - core[6883ba1bc0fe4ed1]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5fdb2dc2b752 - core[6883ba1bc0fe4ed1]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/result.rs:1870:5
[INFO] [stdout]   20:     0x5fdb2db8b508 - <core[6883ba1bc0fe4ed1]::result::Result<std[73adb7dc35730857]::fs::File, core[6883ba1bc0fe4ed1]::io::error::Error>>::unwrap
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/result.rs:1231:23
[INFO] [stdout]   21:     0x5fdb2db8b508 - arbfs_prototype[8fb210b19a896995]::io::arbfs_reader::tests::test_arbfs_reader_read_consumes_all_bytes
[INFO] [stdout]                                at /opt/rustwide/workdir/src/io/arbfs_reader.rs:244:70
[INFO] [stdout]   22:     0x5fdb2db88bf7 - arbfs_prototype[8fb210b19a896995]::io::arbfs_reader::tests::test_arbfs_reader_read_consumes_all_bytes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/io/arbfs_reader.rs:241:51
[INFO] [stdout]   23:     0x5fdb2db8edc6 - <arbfs_prototype[8fb210b19a896995]::io::arbfs_reader::tests::test_arbfs_reader_read_consumes_all_bytes::{closure#0} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5fdb2db8f90b - <fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5fdb2db8f90b - test[980ffaebd391d06d]::__rust_begin_short_backtrace::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:724:18
[INFO] [stdout]   26:     0x5fdb2db9cf55 - test[980ffaebd391d06d]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:74
[INFO] [stdout]   27:     0x5fdb2db9cf55 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   28:     0x5fdb2db9cf55 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   29:     0x5fdb2db9cf55 - std[73adb7dc35730857]::panicking::catch_unwind::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5fdb2db9cf55 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5fdb2db9cf55 - test[980ffaebd391d06d]::run_test_in_process
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:27
[INFO] [stdout]   32:     0x5fdb2db9cf55 - test[980ffaebd391d06d]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:668:43
[INFO] [stdout]   33:     0x5fdb2db97a04 - test[980ffaebd391d06d]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:698:41
[INFO] [stdout]   34:     0x5fdb2db97a04 - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x5fdb2dba00a2 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   36:     0x5fdb2dba00a2 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   37:     0x5fdb2dba00a2 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   38:     0x5fdb2dba00a2 - std[73adb7dc35730857]::panicking::catch_unwind::<(), core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x5fdb2dba00a2 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5fdb2dba00a2 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   41:     0x5fdb2dba00a2 - <std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5fdb2dc16d4f - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2319:9
[INFO] [stdout]   43:     0x5fdb2dc16d4f - <std[73adb7dc35730857]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/thread/unix.rs:123:17
[INFO] [stdout]   44:     0x78cd6ac71aa4 - <unknown>
[INFO] [stdout]   45:     0x78cd6acfea64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     io::arbfs_reader::tests::test_arbfs_reader_next_consumes_all_bytes
[INFO] [stdout]     io::arbfs_reader::tests::test_arbfs_reader_read_consumes_all_bytes
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "3fa7098d4884ea888ed7e9386858645bef889a237d0c9f071a813b9a6443edbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fa7098d4884ea888ed7e9386858645bef889a237d0c9f071a813b9a6443edbf", kill_on_drop: false }`
[INFO] [stdout] 3fa7098d4884ea888ed7e9386858645bef889a237d0c9f071a813b9a6443edbf
