[INFO] cloning repository https://github.com/CairBin/rs_db
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CairBin/rs_db" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCairBin%2Frs_db", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCairBin%2Frs_db'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0adefd8680b0f7aba709b2dd3fa3b57c1f816381
[INFO] testing CairBin/rs_db against 1.98.0-beta.1 for beta-1.98-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCairBin%2Frs_db" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/CairBin/rs_db
[INFO] finished tweaking git repo https://github.com/CairBin/rs_db
[INFO] tweaked toml for git repo https://github.com/CairBin/rs_db written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/CairBin/rs_db on toolchain 1.98.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/CairBin/rs_db already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 0857c734b4596e344ba84e4f874d259570eecc356a131108cafa83d59edfddc4
[INFO] running `Command { std: "docker" "start" "0857c734b4596e344ba84e4f874d259570eecc356a131108cafa83d59edfddc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0857c734b4596e344ba84e4f874d259570eecc356a131108cafa83d59edfddc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0857c734b4596e344ba84e4f874d259570eecc356a131108cafa83d59edfddc4" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0857c734b4596e344ba84e4f874d259570eecc356a131108cafa83d59edfddc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0857c734b4596e344ba84e4f874d259570eecc356a131108cafa83d59edfddc4" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling rs_db v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `is_new` is never read
[INFO] [stdout]   --> src/file_manager/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct FileManager{
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     is_new: bool,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FileManager` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/file_manager/page.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         self.set_bytes(offset, bytes);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let _ = self.set_bytes(offset, bytes);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/logger/mod.rs:130:17
[INFO] [stdout]     |
[INFO] [stdout] 130 |     pub fn iter(&self)->Result<logger_iterator::LogIterator, Box<dyn std::error::Error>>{
[INFO] [stdout]     |                 ^^^^^          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 130 |     pub fn iter(&self)->Result<logger_iterator::LogIterator<'_>, Box<dyn std::error::Error>>{
[INFO] [stdout]     |                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FileManager` is never constructed
[INFO] [stdout]   --> src/file_manager/mod.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct FileManager{
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/file_manager/mod.rs:18:12
[INFO] [stdout]     |
[INFO] [stdout]  17 | impl FileManager{
[INFO] [stdout]     | ---------------- associated items in this implementation
[INFO] [stdout]  18 |     pub fn new(dir:&str, block_size:u64) -> Result<Self, Box<dyn std::error::Error>>{
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  42 |     pub fn to_mutex(self) -> std::sync::Mutex<Self>{
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  46 |     pub fn to_rw_lock(self) -> std::sync::RwLock<Self>{
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  50 |     fn set_file(&mut self, filename:&str) ->Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  75 |     pub fn get_file_mut(&mut self, filename:&str)->Option<&mut std::fs::File>{
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  79 |     pub fn get_file(&self, filename:&str)->Option<&std::fs::File>{
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  83 |     pub fn exists(&self, filename:&str) ->bool{
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  88 |     pub fn get_block_size(&self)->u64{
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  92 |     pub fn read(manager: &std::sync::Mutex<Self>, block:&BlockId, page:&std::sync::Mutex<Page>)->Result<usize, Box<dyn std::error::...
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |     pub fn read_without_mutex(&mut self, block: &BlockId, page: &mut Page) -> Result<usize, Box< dyn std::error::Error> >{
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 129 |     pub fn write(manager:&std::sync::Mutex<Self>, block:&BlockId, page:&std::sync::Mutex<Page>) -> Result<usize, Box<dyn std::error...
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 148 |     pub fn write_without_mutex(&mut self, block: &BlockId, page: &Page)->Result<usize, Box<dyn std::error::Error>>{
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 164 |     pub fn block_num(&mut self, filename:&str)->Result<u64, Box<dyn std::error::Error>>{
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 178 |     pub fn append(&mut self, filename:&str) -> Result<BlockId, Box<dyn std::error::Error>>{
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BlockId` is never constructed
[INFO] [stdout]  --> src/file_manager/block.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct BlockId{
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `get_block_number`, `get_filename`, `equal`, and `get_hash_code` are never used
[INFO] [stdout]   --> src/file_manager/block.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl BlockId{
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 10 |     pub fn new(filename:&str, block_number:u64) -> Self{
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn get_block_number(&self) -> u64{
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn get_filename(&self) -> &str{
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn equal(&self, other:&Self) -> bool{
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn get_hash_code(&self) -> u64{
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Page` is never constructed
[INFO] [stdout]  --> src/file_manager/page.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Page{
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/file_manager/page.rs:9:12
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl Page{
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout]  9 |     pub fn new_as_bytes(bytes:&[u8]) -> Self{
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn new_as_size(size:usize)->Self{
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn to_mutex(self) -> std::sync::Mutex<Self>{
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn get_u64(&self, offset:usize)->Result<u64, Box<dyn std::error::Error>>{
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn set_u64(&mut self, offset:usize, val:u64)->Result<(),Box<dyn std::error::Error>>{
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn get_bytes(&self, offset:usize) -> Result<&[u8],Box<dyn std::error::Error>>{
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn set_bytes(&mut self, offset:usize, bytes:&[u8]) -> Result<(), Box<dyn std::error::Error>>{
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn get_string(&self, offset:usize) -> Result<&str, Box<dyn std::error::Error>>{
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn set_string(&mut self, offset:usize, string:&str) -> Result<(), Box<dyn std::error::Error>>{
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     pub fn contents_mut(&mut self)->&mut [u8]{
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub fn contents(&self) -> &[u8]{
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |     pub fn max_length_for_string(string:&str)->usize{
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/file_manager/page.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         self.set_bytes(offset, bytes);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let _ = self.set_bytes(offset, bytes);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "0857c734b4596e344ba84e4f874d259570eecc356a131108cafa83d59edfddc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0857c734b4596e344ba84e4f874d259570eecc356a131108cafa83d59edfddc4" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] warning: field `is_new` is never read
[INFO] [stdout]   --> src/file_manager/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct FileManager{
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     is_new: bool,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FileManager` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/file_manager/page.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         self.set_bytes(offset, bytes);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let _ = self.set_bytes(offset, bytes);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/logger/mod.rs:130:17
[INFO] [stdout]     |
[INFO] [stdout] 130 |     pub fn iter(&self)->Result<logger_iterator::LogIterator, Box<dyn std::error::Error>>{
[INFO] [stdout]     |                 ^^^^^          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 130 |     pub fn iter(&self)->Result<logger_iterator::LogIterator<'_>, Box<dyn std::error::Error>>{
[INFO] [stdout]     |                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FileManager` is never constructed
[INFO] [stdout]   --> src/file_manager/mod.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct FileManager{
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/file_manager/mod.rs:18:12
[INFO] [stdout]     |
[INFO] [stdout]  17 | impl FileManager{
[INFO] [stdout]     | ---------------- associated items in this implementation
[INFO] [stdout]  18 |     pub fn new(dir:&str, block_size:u64) -> Result<Self, Box<dyn std::error::Error>>{
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  42 |     pub fn to_mutex(self) -> std::sync::Mutex<Self>{
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  46 |     pub fn to_rw_lock(self) -> std::sync::RwLock<Self>{
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  50 |     fn set_file(&mut self, filename:&str) ->Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  75 |     pub fn get_file_mut(&mut self, filename:&str)->Option<&mut std::fs::File>{
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  79 |     pub fn get_file(&self, filename:&str)->Option<&std::fs::File>{
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  83 |     pub fn exists(&self, filename:&str) ->bool{
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  88 |     pub fn get_block_size(&self)->u64{
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  92 |     pub fn read(manager: &std::sync::Mutex<Self>, block:&BlockId, page:&std::sync::Mutex<Page>)->Result<usize, Box<dyn std::error::...
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |     pub fn read_without_mutex(&mut self, block: &BlockId, page: &mut Page) -> Result<usize, Box< dyn std::error::Error> >{
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 129 |     pub fn write(manager:&std::sync::Mutex<Self>, block:&BlockId, page:&std::sync::Mutex<Page>) -> Result<usize, Box<dyn std::error...
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 148 |     pub fn write_without_mutex(&mut self, block: &BlockId, page: &Page)->Result<usize, Box<dyn std::error::Error>>{
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 164 |     pub fn block_num(&mut self, filename:&str)->Result<u64, Box<dyn std::error::Error>>{
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 178 |     pub fn append(&mut self, filename:&str) -> Result<BlockId, Box<dyn std::error::Error>>{
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BlockId` is never constructed
[INFO] [stdout]  --> src/file_manager/block.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct BlockId{
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `get_block_number`, `get_filename`, `equal`, and `get_hash_code` are never used
[INFO] [stdout]   --> src/file_manager/block.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl BlockId{
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 10 |     pub fn new(filename:&str, block_number:u64) -> Self{
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn get_block_number(&self) -> u64{
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn get_filename(&self) -> &str{
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn equal(&self, other:&Self) -> bool{
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn get_hash_code(&self) -> u64{
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Page` is never constructed
[INFO] [stdout]  --> src/file_manager/page.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Page{
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/file_manager/page.rs:9:12
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl Page{
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout]  9 |     pub fn new_as_bytes(bytes:&[u8]) -> Self{
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn new_as_size(size:usize)->Self{
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn to_mutex(self) -> std::sync::Mutex<Self>{
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn get_u64(&self, offset:usize)->Result<u64, Box<dyn std::error::Error>>{
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn set_u64(&mut self, offset:usize, val:u64)->Result<(),Box<dyn std::error::Error>>{
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn get_bytes(&self, offset:usize) -> Result<&[u8],Box<dyn std::error::Error>>{
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn set_bytes(&mut self, offset:usize, bytes:&[u8]) -> Result<(), Box<dyn std::error::Error>>{
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn get_string(&self, offset:usize) -> Result<&str, Box<dyn std::error::Error>>{
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn set_string(&mut self, offset:usize, string:&str) -> Result<(), Box<dyn std::error::Error>>{
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     pub fn contents_mut(&mut self)->&mut [u8]{
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub fn contents(&self) -> &[u8]{
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |     pub fn max_length_for_string(string:&str)->usize{
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/file_manager/page.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         self.set_bytes(offset, bytes);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let _ = self.set_bytes(offset, bytes);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rs_db v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rs_db::file_manager::page::Page as Page`
[INFO] [stdout]  --> tests/file_manager_test.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rs_db::file_manager::page::Page as Page;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rs_db::file_manager::block::BlockId as BlockId`
[INFO] [stdout]  --> tests/file_manager_test.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rs_db::file_manager::block::BlockId as BlockId;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> tests/logger_test.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rs_db::file_manager::{self, FileManager};
[INFO] [stdout]   |                           ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> tests/logger_test.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     self, Logger, U64_BYTES
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/page_test.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let mut page = file_manager::page::Page::new_as_bytes(&bytes);
[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: struct `FileManager` is never constructed
[INFO] [stdout]   --> src/file_manager/mod.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct FileManager{
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/file_manager/mod.rs:18:12
[INFO] [stdout]     |
[INFO] [stdout]  17 | impl FileManager{
[INFO] [stdout]     | ---------------- associated items in this implementation
[INFO] [stdout]  18 |     pub fn new(dir:&str, block_size:u64) -> Result<Self, Box<dyn std::error::Error>>{
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  42 |     pub fn to_mutex(self) -> std::sync::Mutex<Self>{
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  46 |     pub fn to_rw_lock(self) -> std::sync::RwLock<Self>{
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  50 |     fn set_file(&mut self, filename:&str) ->Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  75 |     pub fn get_file_mut(&mut self, filename:&str)->Option<&mut std::fs::File>{
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  79 |     pub fn get_file(&self, filename:&str)->Option<&std::fs::File>{
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  83 |     pub fn exists(&self, filename:&str) ->bool{
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  88 |     pub fn get_block_size(&self)->u64{
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  92 |     pub fn read(manager: &std::sync::Mutex<Self>, block:&BlockId, page:&std::sync::Mutex<Page>)->Result<usize, Box<dyn std::error::...
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |     pub fn read_without_mutex(&mut self, block: &BlockId, page: &mut Page) -> Result<usize, Box< dyn std::error::Error> >{
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 129 |     pub fn write(manager:&std::sync::Mutex<Self>, block:&BlockId, page:&std::sync::Mutex<Page>) -> Result<usize, Box<dyn std::error...
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 148 |     pub fn write_without_mutex(&mut self, block: &BlockId, page: &Page)->Result<usize, Box<dyn std::error::Error>>{
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 164 |     pub fn block_num(&mut self, filename:&str)->Result<u64, Box<dyn std::error::Error>>{
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 178 |     pub fn append(&mut self, filename:&str) -> Result<BlockId, Box<dyn std::error::Error>>{
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BlockId` is never constructed
[INFO] [stdout]  --> src/file_manager/block.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct BlockId{
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `get_block_number`, `get_filename`, `equal`, and `get_hash_code` are never used
[INFO] [stdout]   --> src/file_manager/block.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl BlockId{
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 10 |     pub fn new(filename:&str, block_number:u64) -> Self{
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn get_block_number(&self) -> u64{
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn get_filename(&self) -> &str{
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn equal(&self, other:&Self) -> bool{
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn get_hash_code(&self) -> u64{
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Page` is never constructed
[INFO] [stdout]  --> src/file_manager/page.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Page{
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/file_manager/page.rs:9:12
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl Page{
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout]  9 |     pub fn new_as_bytes(bytes:&[u8]) -> Self{
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn new_as_size(size:usize)->Self{
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn to_mutex(self) -> std::sync::Mutex<Self>{
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn get_u64(&self, offset:usize)->Result<u64, Box<dyn std::error::Error>>{
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn set_u64(&mut self, offset:usize, val:u64)->Result<(),Box<dyn std::error::Error>>{
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn get_bytes(&self, offset:usize) -> Result<&[u8],Box<dyn std::error::Error>>{
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn set_bytes(&mut self, offset:usize, bytes:&[u8]) -> Result<(), Box<dyn std::error::Error>>{
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn get_string(&self, offset:usize) -> Result<&str, Box<dyn std::error::Error>>{
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn set_string(&mut self, offset:usize, string:&str) -> Result<(), Box<dyn std::error::Error>>{
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     pub fn contents_mut(&mut self)->&mut [u8]{
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub fn contents(&self) -> &[u8]{
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |     pub fn max_length_for_string(string:&str)->usize{
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/file_manager/page.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         self.set_bytes(offset, bytes);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let _ = self.set_bytes(offset, bytes);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `is_new` is never read
[INFO] [stdout]   --> src/file_manager/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct FileManager{
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     is_new: bool,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FileManager` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/file_manager/page.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         self.set_bytes(offset, bytes);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let _ = self.set_bytes(offset, bytes);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/logger/mod.rs:130:17
[INFO] [stdout]     |
[INFO] [stdout] 130 |     pub fn iter(&self)->Result<logger_iterator::LogIterator, Box<dyn std::error::Error>>{
[INFO] [stdout]     |                 ^^^^^          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 130 |     pub fn iter(&self)->Result<logger_iterator::LogIterator<'_>, Box<dyn std::error::Error>>{
[INFO] [stdout]     |                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "0857c734b4596e344ba84e4f874d259570eecc356a131108cafa83d59edfddc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0857c734b4596e344ba84e4f874d259570eecc356a131108cafa83d59edfddc4" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: field `is_new` is never read
[INFO] [stderr]   --> src/file_manager/mod.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct FileManager{
[INFO] [stderr]    |            ----------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 13 |     is_new: bool,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `FileManager` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/file_manager/page.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 |         self.set_bytes(offset, bytes);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 58 |         let _ = self.set_bytes(offset, bytes);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/logger/mod.rs:130:17
[INFO] [stderr]     |
[INFO] [stderr] 130 |     pub fn iter(&self)->Result<logger_iterator::LogIterator, Box<dyn std::error::Error>>{
[INFO] [stderr]     |                 ^^^^^          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 130 |     pub fn iter(&self)->Result<logger_iterator::LogIterator<'_>, Box<dyn std::error::Error>>{
[INFO] [stderr]     |                                                            ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `rs_db` (lib) generated 3 warnings (run `cargo fix --lib -p rs_db` to apply 1 suggestion)
[INFO] [stderr] warning: unused import: `rs_db::file_manager::page::Page as Page`
[INFO] [stderr]  --> tests/file_manager_test.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use rs_db::file_manager::page::Page as Page;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rs_db::file_manager::block::BlockId as BlockId`
[INFO] [stderr]  --> tests/file_manager_test.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rs_db::file_manager::block::BlockId as BlockId;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `FileManager` is never constructed
[INFO] [stderr]   --> src/file_manager/mod.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct FileManager{
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: multiple associated items are never used
[INFO] [stderr]    --> src/file_manager/mod.rs:18:12
[INFO] [stderr]     |
[INFO] [stderr]  17 | impl FileManager{
[INFO] [stderr]     | ---------------- associated items in this implementation
[INFO] [stderr]  18 |     pub fn new(dir:&str, block_size:u64) -> Result<Self, Box<dyn std::error::Error>>{
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr]  42 |     pub fn to_mutex(self) -> std::sync::Mutex<Self>{
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  46 |     pub fn to_rw_lock(self) -> std::sync::RwLock<Self>{
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  50 |     fn set_file(&mut self, filename:&str) ->Result<(), Box<dyn std::error::Error>> {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  75 |     pub fn get_file_mut(&mut self, filename:&str)->Option<&mut std::fs::File>{
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  79 |     pub fn get_file(&self, filename:&str)->Option<&std::fs::File>{
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  83 |     pub fn exists(&self, filename:&str) ->bool{
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  88 |     pub fn get_block_size(&self)->u64{
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  92 |     pub fn read(manager: &std::sync::Mutex<Self>, block:&BlockId, page:&std::sync::Mutex<Page>)->Result<usize, Box<dyn std::error::...
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 114 |     pub fn read_without_mutex(&mut self, block: &BlockId, page: &mut Page) -> Result<usize, Box< dyn std::error::Error> >{
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 129 |     pub fn write(manager:&std::sync::Mutex<Self>, block:&BlockId, page:&std::sync::Mutex<Page>) -> Result<usize, Box<dyn std::error...
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 148 |     pub fn write_without_mutex(&mut self, block: &BlockId, page: &Page)->Result<usize, Box<dyn std::error::Error>>{
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 164 |     pub fn block_num(&mut self, filename:&str)->Result<u64, Box<dyn std::error::Error>>{
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 178 |     pub fn append(&mut self, filename:&str) -> Result<BlockId, Box<dyn std::error::Error>>{
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `BlockId` is never constructed
[INFO] [stderr]  --> src/file_manager/block.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct BlockId{
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `get_block_number`, `get_filename`, `equal`, and `get_hash_code` are never used
[INFO] [stderr]   --> src/file_manager/block.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr]  9 | impl BlockId{
[INFO] [stderr]    | ------------ associated items in this implementation
[INFO] [stderr] 10 |     pub fn new(filename:&str, block_number:u64) -> Self{
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 17 |     pub fn get_block_number(&self) -> u64{
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 21 |     pub fn get_filename(&self) -> &str{
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 25 |     pub fn equal(&self, other:&Self) -> bool{
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 29 |     pub fn get_hash_code(&self) -> u64{
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Page` is never constructed
[INFO] [stderr]  --> src/file_manager/page.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Page{
[INFO] [stderr]   |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple associated items are never used
[INFO] [stderr]   --> src/file_manager/page.rs:9:12
[INFO] [stderr]    |
[INFO] [stderr]  8 | impl Page{
[INFO] [stderr]    | --------- associated items in this implementation
[INFO] [stderr]  9 |     pub fn new_as_bytes(bytes:&[u8]) -> Self{
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 15 |     pub fn new_as_size(size:usize)->Self{
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 21 |     pub fn to_mutex(self) -> std::sync::Mutex<Self>{
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 25 |     pub fn get_u64(&self, offset:usize)->Result<u64, Box<dyn std::error::Error>>{
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 31 |     pub fn set_u64(&mut self, offset:usize, val:u64)->Result<(),Box<dyn std::error::Error>>{
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 37 |     pub fn get_bytes(&self, offset:usize) -> Result<&[u8],Box<dyn std::error::Error>>{
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 43 |     pub fn set_bytes(&mut self, offset:usize, bytes:&[u8]) -> Result<(), Box<dyn std::error::Error>>{
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 51 |     pub fn get_string(&self, offset:usize) -> Result<&str, Box<dyn std::error::Error>>{
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 56 |     pub fn set_string(&mut self, offset:usize, string:&str) -> Result<(), Box<dyn std::error::Error>>{
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 64 |     pub fn contents_mut(&mut self)->&mut [u8]{
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 68 |     pub fn contents(&self) -> &[u8]{
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 73 |     pub fn max_length_for_string(string:&str)->usize{
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rs_db` (test "file_manager_test") generated 2 warnings (run `cargo fix --test "file_manager_test" -p rs_db` to apply 2 suggestions)
[INFO] [stderr] warning: `rs_db` (bin "rs_db" test) generated 7 warnings (1 duplicate)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/page_test.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let mut page = file_manager::page::Page::new_as_bytes(&bytes);
[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 import: `self`
[INFO] [stderr]  --> tests/logger_test.rs:1:27
[INFO] [stderr]   |
[INFO] [stderr] 1 | use rs_db::file_manager::{self, FileManager};
[INFO] [stderr]   |                           ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> tests/logger_test.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     self, Logger, U64_BYTES
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rs_db` (test "page_test") generated 1 warning (run `cargo fix --test "page_test" -p rs_db` to apply 1 suggestion)
[INFO] [stderr] warning: `rs_db` (test "logger_test") generated 2 warnings (run `cargo fix --test "logger_test" -p rs_db` to apply 2 suggestions)
[INFO] [stderr] warning: `rs_db` (bin "rs_db") generated 7 warnings (7 duplicates)
[INFO] [stderr] warning: `rs_db` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rs_db-2f26def858b95ba4)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rs_db-4a26747a69904142)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/file_manager_test.rs (/opt/rustwide/target/debug/deps/file_manager_test-3f98194e17dafe81)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_file_manager ... FAILED
[INFO] [stderr] error: test failed, to rerun pass `--test file_manager_test`
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test_file_manager stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'test_file_manager' (288) panicked at tests/file_manager_test.rs:8:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x589b33cd1501 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x589b33cd1501 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x589b33cd1501 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x589b33cd1501 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x589b33ce565a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x589b33ce565a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x589b33cd5c8c - std[73adb7dc35730857]::io::default_write_fmt::<alloc[55a36b64bcbf2c0d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x589b33cd5c8c - <alloc[55a36b64bcbf2c0d]::vec::Vec<u8> as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x589b33caed26 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x589b33caed26 - std[73adb7dc35730857]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x589b33cc9359 - std[73adb7dc35730857]::panicking::default_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x589b33c564e0 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   12:     0x589b33c564e0 - test[980ffaebd391d06d]::test_main_inner::<test[980ffaebd391d06d]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x589b33cc9512 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   14:     0x589b33cc9512 - std[73adb7dc35730857]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:823:13
[INFO] [stdout]   15:     0x589b33caedd2 - std[73adb7dc35730857]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:688:13
[INFO] [stdout]   16:     0x589b33ca6579 - std[73adb7dc35730857]::sys::backtrace::__rust_end_short_backtrace::<std[73adb7dc35730857]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x589b33caf9cd - __rustc[a7b7b02e776dd976]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:679:5
[INFO] [stdout]   18:     0x589b33ce5d8c - core[6883ba1bc0fe4ed1]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x589b33ce5b62 - core[6883ba1bc0fe4ed1]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/result.rs:1870:5
[INFO] [stdout]   20:     0x589b33c48031 - <core[6883ba1bc0fe4ed1]::result::Result<rs_db[9fdcf5bff4975e12]::file_manager::FileManager, alloc[55a36b64bcbf2c0d]::boxed::Box<dyn core[6883ba1bc0fe4ed1]::error::Error>>>::unwrap
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/result.rs:1231:23
[INFO] [stdout]   21:     0x589b33c48031 - file_manager_test[dd54063ea5d8909c]::test_file_manager
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/file_manager_test.rs:8:63
[INFO] [stdout]   22:     0x589b33c47f07 - file_manager_test[dd54063ea5d8909c]::test_file_manager::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/file_manager_test.rs:7:23
[INFO] [stdout]   23:     0x589b33c49746 - <file_manager_test[dd54063ea5d8909c]::test_file_manager::{closure#0} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x589b33c4981b - <fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x589b33c4981b - test[980ffaebd391d06d]::__rust_begin_short_backtrace::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:724:18
[INFO] [stdout]   26:     0x589b33c56e65 - test[980ffaebd391d06d]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:74
[INFO] [stdout]   27:     0x589b33c56e65 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   28:     0x589b33c56e65 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   29:     0x589b33c56e65 - std[73adb7dc35730857]::panicking::catch_unwind::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x589b33c56e65 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x589b33c56e65 - test[980ffaebd391d06d]::run_test_in_process
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:27
[INFO] [stdout]   32:     0x589b33c56e65 - test[980ffaebd391d06d]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:668:43
[INFO] [stdout]   33:     0x589b33c51914 - test[980ffaebd391d06d]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:698:41
[INFO] [stdout]   34:     0x589b33c51914 - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x589b33c59fb2 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   36:     0x589b33c59fb2 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   37:     0x589b33c59fb2 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   38:     0x589b33c59fb2 - std[73adb7dc35730857]::panicking::catch_unwind::<(), core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x589b33c59fb2 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x589b33c59fb2 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   41:     0x589b33c59fb2 - <std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x589b33cd0caf - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2319:9
[INFO] [stdout]   43:     0x589b33cd0caf - <std[73adb7dc35730857]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/thread/unix.rs:123:17
[INFO] [stdout]   44:     0x76dfe0e6baa4 - <unknown>
[INFO] [stdout]   45:     0x76dfe0ef8a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test_file_manager
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0857c734b4596e344ba84e4f874d259570eecc356a131108cafa83d59edfddc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0857c734b4596e344ba84e4f874d259570eecc356a131108cafa83d59edfddc4", kill_on_drop: false }`
[INFO] [stdout] 0857c734b4596e344ba84e4f874d259570eecc356a131108cafa83d59edfddc4
