[INFO] cloning repository https://github.com/Js111l/custom_VCS_tool
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Js111l/custom_VCS_tool" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJs111l%2Fcustom_VCS_tool", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJs111l%2Fcustom_VCS_tool'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 63c563899d1e495e48403a81abc2224958831fe9
[INFO] checking Js111l/custom_VCS_tool against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJs111l%2Fcustom_VCS_tool" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Js111l/custom_VCS_tool on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Js111l/custom_VCS_tool
[INFO] finished tweaking git repo https://github.com/Js111l/custom_VCS_tool
[INFO] tweaked toml for git repo https://github.com/Js111l/custom_VCS_tool written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Js111l/custom_VCS_tool 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf49eb42dc31cee5835be72595549582a951d40a9181995e5f60cf7f4ef0d811
[INFO] running `Command { std: "docker" "start" "-a" "cf49eb42dc31cee5835be72595549582a951d40a9181995e5f60cf7f4ef0d811", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf49eb42dc31cee5835be72595549582a951d40a9181995e5f60cf7f4ef0d811", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf49eb42dc31cee5835be72595549582a951d40a9181995e5f60cf7f4ef0d811", kill_on_drop: false }`
[INFO] [stdout] cf49eb42dc31cee5835be72595549582a951d40a9181995e5f60cf7f4ef0d811
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f35b43a78da6929709596ca7ec329415317c281b43ab1561a3c347ee5db95915
[INFO] running `Command { std: "docker" "start" "-a" "f35b43a78da6929709596ca7ec329415317c281b43ab1561a3c347ee5db95915", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling serde v1.0.183
[INFO] [stderr]     Checking cpufeatures v0.2.9
[INFO] [stderr]    Compiling serde_derive v1.0.183
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha1 v0.10.5
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking VCS_tool_ v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::model::git_object::Blob`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::model::git_object::Blob;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::model::git_object::Blob`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::model::git_object::Blob;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::util::object_hasher::ObjectHasher`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::util::object_hasher::ObjectHasher;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::util::object_hasher::ObjectHasher`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::util::object_hasher::ObjectHasher;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::util::object_saver::ObjectSaver`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::util::object_saver::ObjectSaver;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::util::object_saver::ObjectSaver`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::util::object_saver::ObjectSaver;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::util::object_serializer::ObjectSerializer`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::util::object_serializer::ObjectSerializer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::util::object_serializer::ObjectSerializer`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::util::object_serializer::ObjectSerializer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sha1::digest::typenum::private::IsEqualPrivate`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use sha1::digest::typenum::private::IsEqualPrivate;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sha1::digest::typenum::private::IsEqualPrivate`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use sha1::digest::typenum::private::IsEqualPrivate;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::Serialize`
[INFO] [stdout]  --> src/util/object_hasher/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde::Serialize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::Serialize`
[INFO] [stdout]  --> src/util/object_hasher/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde::Serialize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `blob`
[INFO] [stdout]   --> src/util/object_scanner/mod.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 |             let blob = Blob {
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_blob`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hasher`
[INFO] [stdout]   --> src/util/object_scanner/mod.rs:20:17
[INFO] [stdout]    |
[INFO] [stdout] 20 |             let hasher = ObjectHasher;
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_hasher`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `untracked_files`
[INFO] [stdout]   --> src/main.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let mut untracked_files: Vec<&str> = Vec::new();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_untracked_files`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let mut staged_files: Vec<String> = Vec::new();
[INFO] [stdout]    |         ----^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `blob`
[INFO] [stdout]   --> src/util/object_scanner/mod.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 |             let blob = Blob {
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_blob`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let mut untracked_files: Vec<&str> = Vec::new();
[INFO] [stdout]    |         ----^^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hasher`
[INFO] [stdout]   --> src/util/object_scanner/mod.rs:20:17
[INFO] [stdout]    |
[INFO] [stdout] 20 |             let hasher = ObjectHasher;
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_hasher`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FileCreator` is never constructed
[INFO] [stdout]   --> src/main.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | struct FileCreator;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `create_file` is never used
[INFO] [stdout]   --> src/main.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 58 | impl FileCreator {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] 59 |     pub fn create_file(&self, path: &str) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ObjectAdder` is never constructed
[INFO] [stdout]  --> src/util/object_adder/mod.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct ObjectAdder {}
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `objects_to_add` and `create_index_file` are never used
[INFO] [stdout]   --> src/util/object_adder/mod.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl ObjectAdder {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] 12 |     fn objects_to_add<T: GitObject + Serialize>(&self, objects_to_add: Vec<T>, git_path: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     fn create_index_file(&self, git_path: &str) -> std::io::Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_hash` and `get_path_from_hash` are never used
[INFO] [stdout]   --> src/util/object_hasher/mod.rs:7:12
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl ObjectHasher {
[INFO] [stdout]    | ----------------- methods in this implementation
[INFO] [stdout] 7  |     pub fn get_hash(&self, byte_array: Vec<u8>) -> String {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn get_path_from_hash(&self, hash: &str) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ObjectSaver` is never constructed
[INFO] [stdout]  --> src/util/object_saver/mod.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct ObjectSaver;
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `save` and `create_sub_dir` are never used
[INFO] [stdout]   --> src/util/object_saver/mod.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl ObjectSaver {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] 12 |     pub fn save<T: GitObject + Serialize>(&self, git_object: &T) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     fn create_sub_dir(&self, path: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ObjectSerializer` is never constructed
[INFO] [stdout]  --> src/util/object_serializer/mod.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct ObjectSerializer {}
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `serialize_object` is never used
[INFO] [stdout]  --> src/util/object_serializer/mod.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl ObjectSerializer {
[INFO] [stdout]   | --------------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn serialize_object<T: GitObject + Serialize>(git_object: &T) -> Vec<u8> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RepositoryInitializer` is never constructed
[INFO] [stdout]  --> src/util/repo_initializer/mod.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct RepositoryInitializer;
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]   --> src/util/repo_initializer/mod.rs:8:12
[INFO] [stdout]    |
[INFO] [stdout] 7  | impl RepositoryInitializer {
[INFO] [stdout]    | -------------------------- methods in this implementation
[INFO] [stdout] 8  |     pub fn init(self, option: &str, option_argument: &str) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn create_root_git_dir(&self, path: String) -> std::io::Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     fn create_head_file(&self, git_path: &str) -> std::io::Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     fn create_objects_dir(&self, git_path: &str) -> std::io::Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     fn create_config_dir(&self, git_path: &str) -> std::io::Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     fn create_refs_dir(&self, git_path: &str) -> std::io::Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     fn setup_directories(&self, git_path: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `GitObject` is never used
[INFO] [stdout]  --> src/model/git_object/mod.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait GitObject {}
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/util/object_saver/mod.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         file.write_all(&ObjectSerializer::serialize_object(git_object));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let _ = file.write_all(&ObjectSerializer::serialize_object(git_object));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `objectHashes` should have a snake case name
[INFO] [stdout]  --> src/util/object_scanner/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     objectHashes: Vec<String>,
[INFO] [stdout]   |     ^^^^^^^^^^^^ help: convert the identifier to snake case: `object_hashes`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `objectHashes` should have a snake case name
[INFO] [stdout]   --> src/util/object_scanner/mod.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new(objectHashes: Vec<String>) -> ObjectScanner {
[INFO] [stdout]    |                ^^^^^^^^^^^^ help: convert the identifier to snake case: `object_hashes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 28 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `untracked_files`
[INFO] [stdout]   --> src/main.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let mut untracked_files: Vec<&str> = Vec::new();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_untracked_files`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let mut staged_files: Vec<String> = Vec::new();
[INFO] [stdout]    |         ----^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let mut untracked_files: Vec<&str> = Vec::new();
[INFO] [stdout]    |         ----^^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FileCreator` is never constructed
[INFO] [stdout]   --> src/main.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | struct FileCreator;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `create_file` is never used
[INFO] [stdout]   --> src/main.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 58 | impl FileCreator {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] 59 |     pub fn create_file(&self, path: &str) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ObjectAdder` is never constructed
[INFO] [stdout]  --> src/util/object_adder/mod.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct ObjectAdder {}
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `objects_to_add` and `create_index_file` are never used
[INFO] [stdout]   --> src/util/object_adder/mod.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl ObjectAdder {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] 12 |     fn objects_to_add<T: GitObject + Serialize>(&self, objects_to_add: Vec<T>, git_path: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     fn create_index_file(&self, git_path: &str) -> std::io::Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_hash` and `get_path_from_hash` are never used
[INFO] [stdout]   --> src/util/object_hasher/mod.rs:7:12
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl ObjectHasher {
[INFO] [stdout]    | ----------------- methods in this implementation
[INFO] [stdout] 7  |     pub fn get_hash(&self, byte_array: Vec<u8>) -> String {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn get_path_from_hash(&self, hash: &str) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ObjectSaver` is never constructed
[INFO] [stdout]  --> src/util/object_saver/mod.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct ObjectSaver;
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `save` and `create_sub_dir` are never used
[INFO] [stdout]   --> src/util/object_saver/mod.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl ObjectSaver {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] 12 |     pub fn save<T: GitObject + Serialize>(&self, git_object: &T) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     fn create_sub_dir(&self, path: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ObjectSerializer` is never constructed
[INFO] [stdout]  --> src/util/object_serializer/mod.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct ObjectSerializer {}
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `serialize_object` is never used
[INFO] [stdout]  --> src/util/object_serializer/mod.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl ObjectSerializer {
[INFO] [stdout]   | --------------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn serialize_object<T: GitObject + Serialize>(git_object: &T) -> Vec<u8> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RepositoryInitializer` is never constructed
[INFO] [stdout]  --> src/util/repo_initializer/mod.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct RepositoryInitializer;
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]   --> src/util/repo_initializer/mod.rs:8:12
[INFO] [stdout]    |
[INFO] [stdout] 7  | impl RepositoryInitializer {
[INFO] [stdout]    | -------------------------- methods in this implementation
[INFO] [stdout] 8  |     pub fn init(self, option: &str, option_argument: &str) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn create_root_git_dir(&self, path: String) -> std::io::Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     fn create_head_file(&self, git_path: &str) -> std::io::Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     fn create_objects_dir(&self, git_path: &str) -> std::io::Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     fn create_config_dir(&self, git_path: &str) -> std::io::Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     fn create_refs_dir(&self, git_path: &str) -> std::io::Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     fn setup_directories(&self, git_path: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `GitObject` is never used
[INFO] [stdout]  --> src/model/git_object/mod.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait GitObject {}
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/util/object_saver/mod.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         file.write_all(&ObjectSerializer::serialize_object(git_object));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let _ = file.write_all(&ObjectSerializer::serialize_object(git_object));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `objectHashes` should have a snake case name
[INFO] [stdout]  --> src/util/object_scanner/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     objectHashes: Vec<String>,
[INFO] [stdout]   |     ^^^^^^^^^^^^ help: convert the identifier to snake case: `object_hashes`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `objectHashes` should have a snake case name
[INFO] [stdout]   --> src/util/object_scanner/mod.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new(objectHashes: Vec<String>) -> ObjectScanner {
[INFO] [stdout]    |                ^^^^^^^^^^^^ help: convert the identifier to snake case: `object_hashes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 28 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.31s
[INFO] running `Command { std: "docker" "inspect" "f35b43a78da6929709596ca7ec329415317c281b43ab1561a3c347ee5db95915", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f35b43a78da6929709596ca7ec329415317c281b43ab1561a3c347ee5db95915", kill_on_drop: false }`
[INFO] [stdout] f35b43a78da6929709596ca7ec329415317c281b43ab1561a3c347ee5db95915