[INFO] cloning repository https://github.com/inxeoz/chak-vcs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/inxeoz/chak-vcs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finxeoz%2Fchak-vcs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finxeoz%2Fchak-vcs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 19f17399706f4ed3d101db81b4eac710195ca02b
[INFO] testing inxeoz/chak-vcs against master#1ef7943ee607160a564655b6596f83670ef95df5 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finxeoz%2Fchak-vcs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/inxeoz/chak-vcs
[INFO] finished tweaking git repo https://github.com/inxeoz/chak-vcs
[INFO] tweaked toml for git repo https://github.com/inxeoz/chak-vcs written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/inxeoz/chak-vcs on toolchain 1ef7943ee607160a564655b6596f83670ef95df5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "bc88a7a811293f51ea494e6430396bb86464503dc8057186e7ecbaa7f74216ba", kill_on_drop: false }`
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[INFO] [stderr]    Compiling chak-vcs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `get_chak_fold_path` and `get_current_chak_path`
[INFO] [stdout]  --> src/init.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     get_chak_fold_path, get_current_chak_path, get_current_dir_path, save_config,
[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 variable: `current_remote`
[INFO] [stdout]   --> src/config.rs:66:29
[INFO] [stdout]    |
[INFO] [stdout] 66 |             .retain(|alias, current_remote| alias != &no_need_alias);
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_remote`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `command`
[INFO] [stdout]   --> src/config.rs:74:37
[INFO] [stdout]    |
[INFO] [stdout] 74 |             .retain(|current_alias, command| current_alias != &no_need_alias);
[INFO] [stdout]    |                                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/util.rs:52:53
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let serialized = toml::to_string(data).map_err(|e| {
[INFO] [stdout]    |                                                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `commnand`
[INFO] [stdout]   --> src/config_global.rs:31:37
[INFO] [stdout]    |
[INFO] [stdout] 31 |             .retain(|current_alias, commnand| current_alias != &no_need_alias);
[INFO] [stdout]    |                                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_commnand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/status.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |     let mut root_tree = RootTreeObject::get_root_object()
[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: `remote`
[INFO] [stdout]  --> src/remote.rs:7:30
[INFO] [stdout]   |
[INFO] [stdout] 7 |         RemoteCommand::Add { remote, alias } => {
[INFO] [stdout]   |                              ^^^^^^ help: try ignoring the field: `remote: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `alias`
[INFO] [stdout]  --> src/remote.rs:7:38
[INFO] [stdout]   |
[INFO] [stdout] 7 |         RemoteCommand::Add { remote, alias } => {
[INFO] [stdout]   |                                      ^^^^^ help: try ignoring the field: `alias: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `CHAK_PATH` is never used
[INFO] [stdout]   --> src/config.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub static CHAK_PATH: OnceCell<PathBuf> = OnceCell::new();
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `WORKING_DIR` is never used
[INFO] [stdout]   --> src/config.rs:19:16
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub static mut WORKING_DIR: Option<PathBuf> = None;
[INFO] [stdout]    |                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_current_chak_path` is never used
[INFO] [stdout]   --> src/config.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn get_current_chak_path() -> &'static PathBuf {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add_remote`, `remove_remote`, `create_alias`, `remove_alias`, and `set_work_with_nested_ignore_file` are never used
[INFO] [stdout]   --> src/config.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 52 | impl Config {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn add_remote(&mut self, remote: String, alias: String) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     pub fn remove_remote(&mut self, no_need_alias: String) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub fn create_alias(&mut self, command: String, alias: String) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     pub fn remove_alias(&mut self, no_need_alias: String) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub fn set_work_with_nested_ignore_file(&mut self, value: bool) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_config_file` is never used
[INFO] [stdout]    --> src/config.rs:159:8
[INFO] [stdout]     |
[INFO] [stdout] 159 | pub fn get_config_file() -> Result<File, ChakError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/custom_error.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub enum ChakError {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 10 |     InvalidPath(String),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     NoEntriesFound(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     InvalidRepoState(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 28 |     MissingObject(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 29 |     NothingToCommit,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 30 |     FileNotTracked(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 31 |     MergeConflict(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     BranchNotFound(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 35 |     InvalidBranchName(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 36 |     DetachedHead,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 37 |     CannotDeleteCurrentBranch,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     InvalidCommand(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 41 |     MissingArgument(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 42 |     AmbiguousReference(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     RepoLocked,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 46 |     ConcurrentOperationError,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ChakError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add_dir_child` and `add_file_child` are never used
[INFO] [stdout]   --> src/root_tree_object.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl RootTreeObject {
[INFO] [stdout]    | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn add_dir_child(&mut self, dir_name: String, nested_dir: &mut NestedTreeHashPointer) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn add_file_child(&mut self, key: String, value: VersionHeadPointer) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_vcs_presence_in_dir` is never used
[INFO] [stdout]   --> src/util.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub fn check_vcs_presence_in_dir(fold: &Path) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `file_to_string` is never used
[INFO] [stdout]    --> src/util.rs:153:8
[INFO] [stdout]     |
[INFO] [stdout] 153 | pub fn file_to_string(file: &mut File) -> Result<String, ChakError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `string_content_to_string_vec` is never used
[INFO] [stdout]    --> src/util.rs:167:8
[INFO] [stdout]     |
[INFO] [stdout] 167 | pub fn string_content_to_string_vec(content: &str) -> Vec<String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `was_it_registered` is never used
[INFO] [stdout]    --> src/util.rs:171:8
[INFO] [stdout]     |
[INFO] [stdout] 171 | pub fn was_it_registered<T: HashPointerTraits>(pointer: T, dir: &Path) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `create_global_vcs_alias`, `remove_global_vcs_alias`, and `set_global_vcs_work_with_nested_ignore_file` are never used
[INFO] [stdout]   --> src/config_global.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl GlobalConfig {
[INFO] [stdout]    | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn create_global_vcs_alias(&mut self, command: String, alias: String) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn remove_global_vcs_alias(&mut self, no_need_alias: String) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn set_global_vcs_work_with_nested_ignore_file(&mut self, value: bool) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `DIR` is never constructed
[INFO] [stdout]   --> src/status.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub enum EntryType {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] 20 |     FILE,
[INFO] [stdout] 21 |     DIR,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `entry_old_hash` and `entry_type` are never read
[INFO] [stdout]   --> src/status.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct OperationChanged {
[INFO] [stdout]    |            ---------------- fields in this struct
[INFO] [stdout] 27 |     pub entry_old_hash: HashPointer,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub entry_type: EntryType,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `entry_type` is never read
[INFO] [stdout]   --> src/status.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct OperationNew {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub entry_type: EntryType,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `entry_hash` and `entry_type` are never read
[INFO] [stdout]   --> src/status.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub struct OperationRemoved {
[INFO] [stdout]    |            ---------------- fields in this struct
[INFO] [stdout] 42 |     pub entry_hash: HashPointer,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub entry_type: EntryType,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `get_pointers_from_commit_log` is never used
[INFO] [stdout]   --> src/root_tree_pointer.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl RootTreePointer {
[INFO] [stdout]    | -------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn get_pointers_from_commit_log() -> Result<Vec<RootTreePointer>, ChakError> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `exists` is never used
[INFO] [stdout]   --> src/blob_pointer.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl BlobObjectPointer {
[INFO] [stdout]    | ---------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub fn exists(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_pointer_to_version` is never used
[INFO] [stdout]   --> src/version_head_object.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl VersionHeadObject {
[INFO] [stdout]    | ---------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn get_pointer_to_version(&self) -> Option<&VersionPointer> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated functions are never used
[INFO] [stdout]    --> src/hash_pointer.rs:47:12
[INFO] [stdout]     |
[INFO] [stdout]  24 | impl HashPointer {
[INFO] [stdout]     | ---------------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  47 |     pub fn combine(first: &Self, second: &Self) -> Self {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  51 |     pub fn from_file_path(file_path: &Path) -> Result<Self, ChakError> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  56 |     pub fn from_file(file: &File) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  70 |     pub fn from_save_string(content: &str, save_dir: &Path) -> Result<Self, ChakError> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  81 |     pub fn from_pointers<T: ChakPointerTraits + HashPointerTraits>(
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |     pub fn from_string_vec(strings: &[String]) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 153 |     pub fn and_string_from_file_path_ref(file_path: &Path) -> Result<(Self, String), ChakError> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `PathExt` is never used
[INFO] [stdout]  --> src/trait_extension.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait PathExt {
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_empty` is never used
[INFO] [stdout]   --> src/nested_tree_object.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl NestedTreeObject {
[INFO] [stdout]    | --------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `get_diff` is never used
[INFO] [stdout]   --> src/blob_object.rs:92:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl BlobObject {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 92 |     pub fn get_diff(prev_file: &File, new_file: &File) -> BlobObject {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `load_version` is never used
[INFO] [stdout]   --> src/version_pointer.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl VersionPointer {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn load_version(&self) -> VersionObject {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `remove_pointer_existence` is never used
[INFO] [stdout]   --> src/chak_traits.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait ChakPointerTraits: restricted::RestrictedNew {
[INFO] [stdout]    |           ----------------- associated function in this trait
[INFO] [stdout] ...
[INFO] [stdout] 40 |     fn remove_pointer_existence<T: HashPointerTraits>(hash_pointer: &T) -> Result<(), ChakError> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `add_root_tree_pointer`, `get_first_root_tree_pointer`, `clear_stage`, and `is_stage_clear` are never used
[INFO] [stdout]   --> src/stage.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Stage {
[INFO] [stdout]    | ---------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn add_root_tree_pointer( root_tree_pointer: RootTreePointer) -> Result<(), ChakError> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn get_first_root_tree_pointer() -> Option<RootTreePointer> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn clear_stage() -> Result<(), ChakError> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn is_stage_clear(  ) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 56.81s
[INFO] running `Command { std: "docker" "inspect" "a0f50ea24b3f4f5260371a533a8803612e798ab0d600867e35ba918250e597d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0f50ea24b3f4f5260371a533a8803612e798ab0d600867e35ba918250e597d8", kill_on_drop: false }`
[INFO] [stdout] a0f50ea24b3f4f5260371a533a8803612e798ab0d600867e35ba918250e597d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3268b099b2fdfd47fe3b645ed22a65260fe83097cfd3107862bb085aebfef54a
[INFO] running `Command { std: "docker" "start" "-a" "3268b099b2fdfd47fe3b645ed22a65260fe83097cfd3107862bb085aebfef54a", kill_on_drop: false }`
[INFO] [stderr]    Compiling chak-vcs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `get_chak_fold_path` and `get_current_chak_path`
[INFO] [stdout]  --> src/init.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     get_chak_fold_path, get_current_chak_path, get_current_dir_path, save_config,
[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 variable: `current_remote`
[INFO] [stdout]   --> src/config.rs:66:29
[INFO] [stdout]    |
[INFO] [stdout] 66 |             .retain(|alias, current_remote| alias != &no_need_alias);
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_remote`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `command`
[INFO] [stdout]   --> src/config.rs:74:37
[INFO] [stdout]    |
[INFO] [stdout] 74 |             .retain(|current_alias, command| current_alias != &no_need_alias);
[INFO] [stdout]    |                                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/util.rs:52:53
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let serialized = toml::to_string(data).map_err(|e| {
[INFO] [stdout]    |                                                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `commnand`
[INFO] [stdout]   --> src/config_global.rs:31:37
[INFO] [stdout]    |
[INFO] [stdout] 31 |             .retain(|current_alias, commnand| current_alias != &no_need_alias);
[INFO] [stdout]    |                                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_commnand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/status.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |     let mut root_tree = RootTreeObject::get_root_object()
[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: `remote`
[INFO] [stdout]  --> src/remote.rs:7:30
[INFO] [stdout]   |
[INFO] [stdout] 7 |         RemoteCommand::Add { remote, alias } => {
[INFO] [stdout]   |                              ^^^^^^ help: try ignoring the field: `remote: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `alias`
[INFO] [stdout]  --> src/remote.rs:7:38
[INFO] [stdout]   |
[INFO] [stdout] 7 |         RemoteCommand::Add { remote, alias } => {
[INFO] [stdout]   |                                      ^^^^^ help: try ignoring the field: `alias: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `CHAK_PATH` is never used
[INFO] [stdout]   --> src/config.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub static CHAK_PATH: OnceCell<PathBuf> = OnceCell::new();
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `WORKING_DIR` is never used
[INFO] [stdout]   --> src/config.rs:19:16
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub static mut WORKING_DIR: Option<PathBuf> = None;
[INFO] [stdout]    |                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_current_chak_path` is never used
[INFO] [stdout]   --> src/config.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn get_current_chak_path() -> &'static PathBuf {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add_remote`, `remove_remote`, `create_alias`, `remove_alias`, and `set_work_with_nested_ignore_file` are never used
[INFO] [stdout]   --> src/config.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 52 | impl Config {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn add_remote(&mut self, remote: String, alias: String) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     pub fn remove_remote(&mut self, no_need_alias: String) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub fn create_alias(&mut self, command: String, alias: String) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     pub fn remove_alias(&mut self, no_need_alias: String) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub fn set_work_with_nested_ignore_file(&mut self, value: bool) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_config_file` is never used
[INFO] [stdout]    --> src/config.rs:159:8
[INFO] [stdout]     |
[INFO] [stdout] 159 | pub fn get_config_file() -> Result<File, ChakError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/custom_error.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub enum ChakError {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 10 |     InvalidPath(String),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     NoEntriesFound(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     InvalidRepoState(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 28 |     MissingObject(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 29 |     NothingToCommit,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 30 |     FileNotTracked(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 31 |     MergeConflict(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     BranchNotFound(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 35 |     InvalidBranchName(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 36 |     DetachedHead,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 37 |     CannotDeleteCurrentBranch,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     InvalidCommand(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 41 |     MissingArgument(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 42 |     AmbiguousReference(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     RepoLocked,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 46 |     ConcurrentOperationError,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ChakError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add_dir_child` and `add_file_child` are never used
[INFO] [stdout]   --> src/root_tree_object.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl RootTreeObject {
[INFO] [stdout]    | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn add_dir_child(&mut self, dir_name: String, nested_dir: &mut NestedTreeHashPointer) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn add_file_child(&mut self, key: String, value: VersionHeadPointer) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_vcs_presence_in_dir` is never used
[INFO] [stdout]   --> src/util.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub fn check_vcs_presence_in_dir(fold: &Path) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `file_to_string` is never used
[INFO] [stdout]    --> src/util.rs:153:8
[INFO] [stdout]     |
[INFO] [stdout] 153 | pub fn file_to_string(file: &mut File) -> Result<String, ChakError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `string_content_to_string_vec` is never used
[INFO] [stdout]    --> src/util.rs:167:8
[INFO] [stdout]     |
[INFO] [stdout] 167 | pub fn string_content_to_string_vec(content: &str) -> Vec<String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `was_it_registered` is never used
[INFO] [stdout]    --> src/util.rs:171:8
[INFO] [stdout]     |
[INFO] [stdout] 171 | pub fn was_it_registered<T: HashPointerTraits>(pointer: T, dir: &Path) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `create_global_vcs_alias`, `remove_global_vcs_alias`, and `set_global_vcs_work_with_nested_ignore_file` are never used
[INFO] [stdout]   --> src/config_global.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl GlobalConfig {
[INFO] [stdout]    | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn create_global_vcs_alias(&mut self, command: String, alias: String) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn remove_global_vcs_alias(&mut self, no_need_alias: String) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn set_global_vcs_work_with_nested_ignore_file(&mut self, value: bool) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `DIR` is never constructed
[INFO] [stdout]   --> src/status.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub enum EntryType {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] 20 |     FILE,
[INFO] [stdout] 21 |     DIR,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `entry_old_hash` and `entry_type` are never read
[INFO] [stdout]   --> src/status.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct OperationChanged {
[INFO] [stdout]    |            ---------------- fields in this struct
[INFO] [stdout] 27 |     pub entry_old_hash: HashPointer,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub entry_type: EntryType,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `entry_type` is never read
[INFO] [stdout]   --> src/status.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct OperationNew {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub entry_type: EntryType,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `entry_hash` and `entry_type` are never read
[INFO] [stdout]   --> src/status.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub struct OperationRemoved {
[INFO] [stdout]    |            ---------------- fields in this struct
[INFO] [stdout] 42 |     pub entry_hash: HashPointer,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub entry_type: EntryType,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `get_pointers_from_commit_log` is never used
[INFO] [stdout]   --> src/root_tree_pointer.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl RootTreePointer {
[INFO] [stdout]    | -------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn get_pointers_from_commit_log() -> Result<Vec<RootTreePointer>, ChakError> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `exists` is never used
[INFO] [stdout]   --> src/blob_pointer.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl BlobObjectPointer {
[INFO] [stdout]    | ---------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub fn exists(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_pointer_to_version` is never used
[INFO] [stdout]   --> src/version_head_object.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl VersionHeadObject {
[INFO] [stdout]    | ---------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn get_pointer_to_version(&self) -> Option<&VersionPointer> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated functions are never used
[INFO] [stdout]    --> src/hash_pointer.rs:47:12
[INFO] [stdout]     |
[INFO] [stdout]  24 | impl HashPointer {
[INFO] [stdout]     | ---------------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  47 |     pub fn combine(first: &Self, second: &Self) -> Self {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  51 |     pub fn from_file_path(file_path: &Path) -> Result<Self, ChakError> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  56 |     pub fn from_file(file: &File) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  70 |     pub fn from_save_string(content: &str, save_dir: &Path) -> Result<Self, ChakError> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  81 |     pub fn from_pointers<T: ChakPointerTraits + HashPointerTraits>(
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |     pub fn from_string_vec(strings: &[String]) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 153 |     pub fn and_string_from_file_path_ref(file_path: &Path) -> Result<(Self, String), ChakError> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `PathExt` is never used
[INFO] [stdout]  --> src/trait_extension.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait PathExt {
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_empty` is never used
[INFO] [stdout]   --> src/nested_tree_object.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl NestedTreeObject {
[INFO] [stdout]    | --------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `get_diff` is never used
[INFO] [stdout]   --> src/blob_object.rs:92:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl BlobObject {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 92 |     pub fn get_diff(prev_file: &File, new_file: &File) -> BlobObject {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `load_version` is never used
[INFO] [stdout]   --> src/version_pointer.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl VersionPointer {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn load_version(&self) -> VersionObject {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `remove_pointer_existence` is never used
[INFO] [stdout]   --> src/chak_traits.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait ChakPointerTraits: restricted::RestrictedNew {
[INFO] [stdout]    |           ----------------- associated function in this trait
[INFO] [stdout] ...
[INFO] [stdout] 40 |     fn remove_pointer_existence<T: HashPointerTraits>(hash_pointer: &T) -> Result<(), ChakError> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `add_root_tree_pointer`, `get_first_root_tree_pointer`, `clear_stage`, and `is_stage_clear` are never used
[INFO] [stdout]   --> src/stage.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Stage {
[INFO] [stdout]    | ---------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn add_root_tree_pointer( root_tree_pointer: RootTreePointer) -> Result<(), ChakError> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn get_first_root_tree_pointer() -> Option<RootTreePointer> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn clear_stage() -> Result<(), ChakError> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn is_stage_clear(  ) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `Command { std: "docker" "inspect" "3268b099b2fdfd47fe3b645ed22a65260fe83097cfd3107862bb085aebfef54a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3268b099b2fdfd47fe3b645ed22a65260fe83097cfd3107862bb085aebfef54a", kill_on_drop: false }`
[INFO] [stdout] 3268b099b2fdfd47fe3b645ed22a65260fe83097cfd3107862bb085aebfef54a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 663fd60c1d1414283dbadb8ee932eaf59e9bd741d0fd25c29db15fea9beead4e
[INFO] running `Command { std: "docker" "start" "-a" "663fd60c1d1414283dbadb8ee932eaf59e9bd741d0fd25c29db15fea9beead4e", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `get_chak_fold_path` and `get_current_chak_path`
[INFO] [stderr]  --> src/init.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     get_chak_fold_path, get_current_chak_path, get_current_dir_path, save_config,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `current_remote`
[INFO] [stderr]   --> src/config.rs:66:29
[INFO] [stderr]    |
[INFO] [stderr] 66 |             .retain(|alias, current_remote| alias != &no_need_alias);
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_remote`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `command`
[INFO] [stderr]   --> src/config.rs:74:37
[INFO] [stderr]    |
[INFO] [stderr] 74 |             .retain(|current_alias, command| current_alias != &no_need_alias);
[INFO] [stderr]    |                                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/util.rs:52:53
[INFO] [stderr]    |
[INFO] [stderr] 52 |     let serialized = toml::to_string(data).map_err(|e| {
[INFO] [stderr]    |                                                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `commnand`
[INFO] [stderr]   --> src/config_global.rs:31:37
[INFO] [stderr]    |
[INFO] [stderr] 31 |             .retain(|current_alias, commnand| current_alias != &no_need_alias);
[INFO] [stderr]    |                                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_commnand`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/status.rs:97:9
[INFO] [stderr]    |
[INFO] [stderr] 97 |     let mut root_tree = RootTreeObject::get_root_object()
[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: `remote`
[INFO] [stderr]  --> src/remote.rs:7:30
[INFO] [stderr]   |
[INFO] [stderr] 7 |         RemoteCommand::Add { remote, alias } => {
[INFO] [stderr]   |                              ^^^^^^ help: try ignoring the field: `remote: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `alias`
[INFO] [stderr]  --> src/remote.rs:7:38
[INFO] [stderr]   |
[INFO] [stderr] 7 |         RemoteCommand::Add { remote, alias } => {
[INFO] [stderr]   |                                      ^^^^^ help: try ignoring the field: `alias: _`
[INFO] [stderr] 
[INFO] [stderr] warning: static `CHAK_PATH` is never used
[INFO] [stderr]   --> src/config.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub static CHAK_PATH: OnceCell<PathBuf> = OnceCell::new();
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static `WORKING_DIR` is never used
[INFO] [stderr]   --> src/config.rs:19:16
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub static mut WORKING_DIR: Option<PathBuf> = None;
[INFO] [stderr]    |                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_current_chak_path` is never used
[INFO] [stderr]   --> src/config.rs:39:8
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub fn get_current_chak_path() -> &'static PathBuf {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `add_remote`, `remove_remote`, `create_alias`, `remove_alias`, and `set_work_with_nested_ignore_file` are never used
[INFO] [stderr]   --> src/config.rs:60:12
[INFO] [stderr]    |
[INFO] [stderr] 52 | impl Config {
[INFO] [stderr]    | ----------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 60 |     pub fn add_remote(&mut self, remote: String, alias: String) {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 64 |     pub fn remove_remote(&mut self, no_need_alias: String) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 68 |     pub fn create_alias(&mut self, command: String, alias: String) {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 72 |     pub fn remove_alias(&mut self, no_need_alias: String) {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 76 |     pub fn set_work_with_nested_ignore_file(&mut self, value: bool) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_config_file` is never used
[INFO] [stderr]    --> src/config.rs:159:8
[INFO] [stderr]     |
[INFO] [stderr] 159 | pub fn get_config_file() -> Result<File, ChakError> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple variants are never constructed
[INFO] [stderr]   --> src/custom_error.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr]  6 | pub enum ChakError {
[INFO] [stderr]    |          --------- variants in this enum
[INFO] [stderr] ...
[INFO] [stderr] 10 |     InvalidPath(String),
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 14 |     NoEntriesFound(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 27 |     InvalidRepoState(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 28 |     MissingObject(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 29 |     NothingToCommit,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 30 |     FileNotTracked(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 31 |     MergeConflict(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 34 |     BranchNotFound(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 35 |     InvalidBranchName(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 36 |     DetachedHead,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 37 |     CannotDeleteCurrentBranch,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 40 |     InvalidCommand(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 41 |     MissingArgument(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 42 |     AmbiguousReference(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 45 |     RepoLocked,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 46 |     ConcurrentOperationError,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `ChakError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: methods `add_dir_child` and `add_file_child` are never used
[INFO] [stderr]   --> src/root_tree_object.rs:41:12
[INFO] [stderr]    |
[INFO] [stderr] 26 | impl RootTreeObject {
[INFO] [stderr]    | ------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 41 |     pub fn add_dir_child(&mut self, dir_name: String, nested_dir: &mut NestedTreeHashPointer) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 44 |     pub fn add_file_child(&mut self, key: String, value: VersionHeadPointer) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `check_vcs_presence_in_dir` is never used
[INFO] [stderr]   --> src/util.rs:66:8
[INFO] [stderr]    |
[INFO] [stderr] 66 | pub fn check_vcs_presence_in_dir(fold: &Path) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `file_to_string` is never used
[INFO] [stderr]    --> src/util.rs:153:8
[INFO] [stderr]     |
[INFO] [stderr] 153 | pub fn file_to_string(file: &mut File) -> Result<String, ChakError> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `string_content_to_string_vec` is never used
[INFO] [stderr]    --> src/util.rs:167:8
[INFO] [stderr]     |
[INFO] [stderr] 167 | pub fn string_content_to_string_vec(content: &str) -> Vec<String> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `was_it_registered` is never used
[INFO] [stderr]    --> src/util.rs:171:8
[INFO] [stderr]     |
[INFO] [stderr] 171 | pub fn was_it_registered<T: HashPointerTraits>(pointer: T, dir: &Path) -> bool {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `create_global_vcs_alias`, `remove_global_vcs_alias`, and `set_global_vcs_work_with_nested_ignore_file` are never used
[INFO] [stderr]   --> src/config_global.rs:25:12
[INFO] [stderr]    |
[INFO] [stderr] 16 | impl GlobalConfig {
[INFO] [stderr]    | ----------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 25 |     pub fn create_global_vcs_alias(&mut self, command: String, alias: String) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 29 |     pub fn remove_global_vcs_alias(&mut self, no_need_alias: String) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 33 |     pub fn set_global_vcs_work_with_nested_ignore_file(&mut self, value: bool) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `DIR` is never constructed
[INFO] [stderr]   --> src/status.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub enum EntryType {
[INFO] [stderr]    |          --------- variant in this enum
[INFO] [stderr] 20 |     FILE,
[INFO] [stderr] 21 |     DIR,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `entry_old_hash` and `entry_type` are never read
[INFO] [stderr]   --> src/status.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub struct OperationChanged {
[INFO] [stderr]    |            ---------------- fields in this struct
[INFO] [stderr] 27 |     pub entry_old_hash: HashPointer,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 30 |     pub entry_type: EntryType,
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `entry_type` is never read
[INFO] [stderr]   --> src/status.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub struct OperationNew {
[INFO] [stderr]    |            ------------ field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 37 |     pub entry_type: EntryType,
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `entry_hash` and `entry_type` are never read
[INFO] [stderr]   --> src/status.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub struct OperationRemoved {
[INFO] [stderr]    |            ---------------- fields in this struct
[INFO] [stderr] 42 |     pub entry_hash: HashPointer,
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 45 |     pub entry_type: EntryType,
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `get_pointers_from_commit_log` is never used
[INFO] [stderr]   --> src/root_tree_pointer.rs:57:12
[INFO] [stderr]    |
[INFO] [stderr] 26 | impl RootTreePointer {
[INFO] [stderr]    | -------------------- associated function in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 57 |     pub fn get_pointers_from_commit_log() -> Result<Vec<RootTreePointer>, ChakError> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `exists` is never used
[INFO] [stderr]   --> src/blob_pointer.rs:45:12
[INFO] [stderr]    |
[INFO] [stderr] 31 | impl BlobObjectPointer {
[INFO] [stderr]    | ---------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 45 |     pub fn exists(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `get_pointer_to_version` is never used
[INFO] [stderr]   --> src/version_head_object.rs:38:12
[INFO] [stderr]    |
[INFO] [stderr] 25 | impl VersionHeadObject {
[INFO] [stderr]    | ---------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 38 |     pub fn get_pointer_to_version(&self) -> Option<&VersionPointer> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple associated functions are never used
[INFO] [stderr]    --> src/hash_pointer.rs:47:12
[INFO] [stderr]     |
[INFO] [stderr]  24 | impl HashPointer {
[INFO] [stderr]     | ---------------- associated functions in this implementation
[INFO] [stderr] ...
[INFO] [stderr]  47 |     pub fn combine(first: &Self, second: &Self) -> Self {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  51 |     pub fn from_file_path(file_path: &Path) -> Result<Self, ChakError> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  56 |     pub fn from_file(file: &File) -> Self {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  70 |     pub fn from_save_string(content: &str, save_dir: &Path) -> Result<Self, ChakError> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  81 |     pub fn from_pointers<T: ChakPointerTraits + HashPointerTraits>(
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 104 |     pub fn from_string_vec(strings: &[String]) -> Self {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 153 |     pub fn and_string_from_file_path_ref(file_path: &Path) -> Result<(Self, String), ChakError> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `PathExt` is never used
[INFO] [stderr]  --> src/trait_extension.rs:3:11
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub trait PathExt {
[INFO] [stderr]   |           ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `is_empty` is never used
[INFO] [stderr]   --> src/nested_tree_object.rs:36:12
[INFO] [stderr]    |
[INFO] [stderr] 24 | impl NestedTreeObject {
[INFO] [stderr]    | --------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 36 |     pub fn is_empty(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `get_diff` is never used
[INFO] [stderr]   --> src/blob_object.rs:92:12
[INFO] [stderr]    |
[INFO] [stderr] 31 | impl BlobObject {
[INFO] [stderr]    | --------------- associated function in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 92 |     pub fn get_diff(prev_file: &File, new_file: &File) -> BlobObject {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `load_version` is never used
[INFO] [stderr]   --> src/version_pointer.rs:26:12
[INFO] [stderr]    |
[INFO] [stderr] 20 | impl VersionPointer {
[INFO] [stderr]    | ------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 26 |     pub fn load_version(&self) -> VersionObject {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `remove_pointer_existence` is never used
[INFO] [stderr]   --> src/chak_traits.rs:40:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub trait ChakPointerTraits: restricted::RestrictedNew {
[INFO] [stderr]    |           ----------------- associated function in this trait
[INFO] [stderr] ...
[INFO] [stderr] 40 |     fn remove_pointer_existence<T: HashPointerTraits>(hash_pointer: &T) -> Result<(), ChakError> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `add_root_tree_pointer`, `get_first_root_tree_pointer`, `clear_stage`, and `is_stage_clear` are never used
[INFO] [stderr]   --> src/stage.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl Stage {
[INFO] [stderr]    | ---------- associated functions in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 19 |     pub fn add_root_tree_pointer( root_tree_pointer: RootTreePointer) -> Result<(), ChakError> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 33 |     pub fn get_first_root_tree_pointer() -> Option<RootTreePointer> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 39 |     pub fn clear_stage() -> Result<(), ChakError> {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 54 |     pub fn is_stage_clear(  ) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `chak-vcs` (bin "chak-vcs" test) generated 34 warnings (run `cargo fix --bin "chak-vcs" -p chak-vcs --tests` to apply 8 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chak_vcs-d615e6e832fc5e73)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test util::tests::test_save_or_create ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- util::tests::test_save_or_create stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'util::tests::test_save_or_create' (17) panicked at src/util.rs:192:10:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: StdIoError(Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" })
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x59de2716b282 - std::backtrace_rs::backtrace::libunwind::trace::h786de35fecf3582f
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x59de2716b282 - std::backtrace_rs::backtrace::trace_unsynchronized::h4a7da1a2a64387f1
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x59de2716b282 - std::sys::backtrace::_print_fmt::h6bd7d500070c788c
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x59de2716b282 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h6d82c1afff976903
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x59de2717b13f - core::fmt::rt::Argument::fmt::hc4ce6d643d397690
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x59de2717b13f - core::fmt::write::hb1e7ca88b6a3936e
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x59de271387b3 - std::io::default_write_fmt::haffd49d96f1984a8
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x59de271387b3 - std::io::Write::write_fmt::h027871c57cf57c01
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x59de27144762 - std::sys::backtrace::BacktraceLock::print::ha2430613ee79d059
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x59de2714957f - std::panicking::default_hook::{{closure}}::hdbd2db9e5c303cf6
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x59de27149411 - std::panicking::default_hook::hed93c70cba5fdcf0
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x59de27107c8e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd0ee8b569efc6a07
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   12:     0x59de27107c8e - test::test_main_with_exit_callback::{{closure}}::hf10864b576ecd15d
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x59de27149b8f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h3a55ca34534c0d00
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   14:     0x59de27149b8f - std::panicking::panic_with_hook::h3862d766c2cec19b
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x59de271499ea - std::panicking::panic_handler::{{closure}}::hb95eb402b5e28ee1
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x59de27144899 - std::sys::backtrace::__rust_end_short_backtrace::hf73a26dc1835d85a
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x59de2712cb7d - __rustc[6ed5915ee467787]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x59de27182a10 - core::panicking::panic_fmt::h3454303eb8e6f7cd
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x59de27182146 - core::result::unwrap_failed::h2380020e6daeb464
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/result.rs:1862:5
[INFO] [stdout]   20:     0x59de270e6af5 - core::result::Result<T,E>::unwrap::h8438691a9fd371f4
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x59de270e6af5 - chak_vcs::util::tests::test_save_or_create::hc8a7112b7bc96706
[INFO] [stdout]                                at /opt/rustwide/workdir/src/util.rs:192:10
[INFO] [stdout]   22:     0x59de270e6d77 - chak_vcs::util::tests::test_save_or_create::{{closure}}::h55263559987ba740
[INFO] [stdout]                                at /opt/rustwide/workdir/src/util.rs:185:33
[INFO] [stdout]   23:     0x59de270e5756 - core::ops::function::FnOnce::call_once::hdeabd225ce15780a
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x59de27107a6b - core::ops::function::FnOnce::call_once::ha729ee35d2fab541
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x59de27107a6b - test::__rust_begin_short_backtrace::ha40f4db8207e1111
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x59de2711baed - test::run_test_in_process::{{closure}}::hc1b77cda5d44f0f3
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x59de2711baed - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h1dbea1de64785521
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x59de2711baed - std::panicking::catch_unwind::do_call::hd5febe9affd5a1b3
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:590:40
[INFO] [stdout]   29:     0x59de2711baed - std::panicking::catch_unwind::h51ea89627559b6f4
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:553:19
[INFO] [stdout]   30:     0x59de2711baed - std::panic::catch_unwind::hb8b8c2367cae3d66
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x59de2711baed - test::run_test_in_process::ha5b55801407ea100
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x59de2711baed - test::run_test::{{closure}}::h0b9d4072b527abf5
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x59de270f5004 - test::run_test::{{closure}}::hb1056b5731205822
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x59de270f5004 - std::sys::backtrace::__rust_begin_short_backtrace::hb61ff5a34023c7ef
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x59de270f893a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hb0a83c0e8b353cff
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/thread/mod.rs:562:17
[INFO] [stdout]   36:     0x59de270f893a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb4f32cb008535298
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x59de270f893a - std::panicking::catch_unwind::do_call::h16d110e4fc35789a
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:590:40
[INFO] [stdout]   38:     0x59de270f893a - std::panicking::catch_unwind::hea9118f355699c4b
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:553:19
[INFO] [stdout]   39:     0x59de270f893a - std::panic::catch_unwind::hf4b3c2a06d3f42f5
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x59de270f893a - std::thread::Builder::spawn_unchecked_::{{closure}}::h3f4cb733a52d53d5
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/thread/mod.rs:560:30
[INFO] [stdout]   41:     0x59de270f893a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h4052f0967b37caeb
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x59de2713fc9f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7ec433abd3f148b4
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/alloc/src/boxed.rs:2085:9
[INFO] [stdout]   43:     0x59de2713fc9f - std::sys::thread::unix::Thread::new::thread_start::he514622d3d7ba65c
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/thread/unix.rs:124:17
[INFO] [stdout]   44:     0x726c0f35daa4 - <unknown>
[INFO] [stdout]   45:     0x726c0f3eaa64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     util::tests::test_save_or_create
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin chak-vcs`
[INFO] running `Command { std: "docker" "inspect" "663fd60c1d1414283dbadb8ee932eaf59e9bd741d0fd25c29db15fea9beead4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "663fd60c1d1414283dbadb8ee932eaf59e9bd741d0fd25c29db15fea9beead4e", kill_on_drop: false }`
[INFO] [stdout] 663fd60c1d1414283dbadb8ee932eaf59e9bd741d0fd25c29db15fea9beead4e
