[INFO] cloning repository https://github.com/kemkemG0/simple_db_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kemkemG0/simple_db_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FkemkemG0%2Fsimple_db_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FkemkemG0%2Fsimple_db_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 955ad750b495ed23672e975ba9e8713e9507679a
[INFO] testing kemkemG0/simple_db_rust against 1.76.0 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FkemkemG0%2Fsimple_db_rust" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kemkemG0/simple_db_rust on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kemkemG0/simple_db_rust
[INFO] finished tweaking git repo https://github.com/kemkemG0/simple_db_rust
[INFO] tweaked toml for git repo https://github.com/kemkemG0/simple_db_rust written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kemkemG0/simple_db_rust 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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66224a9ad2a95d5f5a806cd908a800dbd964e4032ab7f7acb8a57822996bd029
[INFO] running `Command { std: "docker" "start" "-a" "66224a9ad2a95d5f5a806cd908a800dbd964e4032ab7f7acb8a57822996bd029", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66224a9ad2a95d5f5a806cd908a800dbd964e4032ab7f7acb8a57822996bd029", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66224a9ad2a95d5f5a806cd908a800dbd964e4032ab7f7acb8a57822996bd029", kill_on_drop: false }`
[INFO] [stdout] 66224a9ad2a95d5f5a806cd908a800dbd964e4032ab7f7acb8a57822996bd029
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8589e68e23adc79a83d0f648cf52de454b2de86bac9e75e350b4e2b20d1d48cc
[INFO] running `Command { std: "docker" "start" "-a" "8589e68e23adc79a83d0f648cf52de454b2de86bac9e75e350b4e2b20d1d48cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple_db_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `collections::hash_map::DefaultHasher`
[INFO] [stdout]  --> src/file/block_id.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     collections::hash_map::DefaultHasher,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TransactionError`
[INFO] [stdout]  --> src/tx/recovery/checkpoint_record.rs:1:43
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::tx::transaction::{Transaction, TransactionError};
[INFO] [stdout]   |                                           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TransactionError`
[INFO] [stdout]  --> src/tx/recovery/rollback_record.rs:3:36
[INFO] [stdout]   |
[INFO] [stdout] 3 |     tx::transaction::{Transaction, TransactionError},
[INFO] [stdout]   |                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TransactionError`
[INFO] [stdout]  --> src/tx/recovery/setint_record.rs:3:36
[INFO] [stdout]   |
[INFO] [stdout] 3 |     tx::transaction::{Transaction, TransactionError},
[INFO] [stdout]   |                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::log`
[INFO] [stdout]  --> src/tx/recovery/setstring_record.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::log;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TransactionError`
[INFO] [stdout]   --> src/tx/recovery/setstring_record.rs:11:36
[INFO] [stdout]    |
[INFO] [stdout] 11 |     tx::transaction::{Transaction, TransactionError},
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TransactionError`
[INFO] [stdout]  --> src/tx/recovery/start_record.rs:3:36
[INFO] [stdout]   |
[INFO] [stdout] 3 |     tx::transaction::{Transaction, TransactionError},
[INFO] [stdout]   |                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]   --> src/tx/recovery/checkpoint_record.rs:21:20
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn undo(&self, tx: &mut Transaction) {
[INFO] [stdout]    |                    ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `page`
[INFO] [stdout]  --> src/tx/recovery/commit_record.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn new(page: Page) -> Self {
[INFO] [stdout]   |                ^^^^ help: if this is intentional, prefix it with an underscore: `_page`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]   --> src/tx/recovery/commit_record.rs:21:20
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn undo(&self, tx: &mut Transaction) {
[INFO] [stdout]    |                    ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `page`
[INFO] [stdout]   --> src/tx/recovery/rollback_record.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new(page: Page) -> Self {
[INFO] [stdout]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_page`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]   --> src/tx/recovery/rollback_record.rs:24:20
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn undo(&self, tx: &mut Transaction) {
[INFO] [stdout]    |                    ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `page`
[INFO] [stdout]   --> src/tx/recovery/setint_record.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new(page: Page) -> Self {
[INFO] [stdout]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_page`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]   --> src/tx/recovery/setint_record.rs:24:20
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn undo(&self, tx: &mut Transaction) {
[INFO] [stdout]    |                    ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `page`
[INFO] [stdout]   --> src/tx/recovery/start_record.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new(page: Page) -> Self {
[INFO] [stdout]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_page`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]   --> src/tx/recovery/start_record.rs:24:20
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn undo(&self, tx: &mut Transaction) {
[INFO] [stdout]    |                    ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block_id`
[INFO] [stdout]   --> src/tx/transaction.rs:49:27
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn pin(&mut self, block_id: &BlockId) {}
[INFO] [stdout]    |                           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block_id`
[INFO] [stdout]   --> src/tx/transaction.rs:50:29
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn unpin(&mut self, block_id: &BlockId) {}
[INFO] [stdout]    |                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block_id`
[INFO] [stdout]   --> src/tx/transaction.rs:52:27
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn get_int(&self, block_id: &BlockId, offset: usize) -> u32 {
[INFO] [stdout]    |                           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]   --> src/tx/transaction.rs:52:47
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn get_int(&self, block_id: &BlockId, offset: usize) -> u32 {
[INFO] [stdout]    |                                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block_id`
[INFO] [stdout]   --> src/tx/transaction.rs:55:30
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn get_string(&self, block_id: &BlockId, offset: usize) -> &str {
[INFO] [stdout]    |                              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]   --> src/tx/transaction.rs:55:50
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn get_string(&self, block_id: &BlockId, offset: usize) -> &str {
[INFO] [stdout]    |                                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block_id`
[INFO] [stdout]   --> src/tx/transaction.rs:58:31
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn set_int(&mut self, block_id: &BlockId, offset: usize, val: u32, ok_to_log: bool) {}
[INFO] [stdout]    |                               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]   --> src/tx/transaction.rs:58:51
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn set_int(&mut self, block_id: &BlockId, offset: usize, val: u32, ok_to_log: bool) {}
[INFO] [stdout]    |                                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/tx/transaction.rs:58:66
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn set_int(&mut self, block_id: &BlockId, offset: usize, val: u32, ok_to_log: bool) {}
[INFO] [stdout]    |                                                                  ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ok_to_log`
[INFO] [stdout]   --> src/tx/transaction.rs:58:76
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn set_int(&mut self, block_id: &BlockId, offset: usize, val: u32, ok_to_log: bool) {}
[INFO] [stdout]    |                                                                            ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ok_to_log`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block_id`
[INFO] [stdout]   --> src/tx/transaction.rs:60:34
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn set_string(&mut self, block_id: &BlockId, offset: usize, val: &str, ok_to_log: bool) {}
[INFO] [stdout]    |                                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]   --> src/tx/transaction.rs:60:54
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn set_string(&mut self, block_id: &BlockId, offset: usize, val: &str, ok_to_log: bool) {}
[INFO] [stdout]    |                                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/tx/transaction.rs:60:69
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn set_string(&mut self, block_id: &BlockId, offset: usize, val: &str, ok_to_log: bool) {}
[INFO] [stdout]    |                                                                     ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ok_to_log`
[INFO] [stdout]   --> src/tx/transaction.rs:60:80
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn set_string(&mut self, block_id: &BlockId, offset: usize, val: &str, ok_to_log: bool) {}
[INFO] [stdout]    |                                                                                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ok_to_log`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_name`
[INFO] [stdout]   --> src/tx/transaction.rs:66:24
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn size(&self, file_name: &str) -> usize {
[INFO] [stdout]    |                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_name`
[INFO] [stdout]   --> src/tx/transaction.rs:69:30
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn append(&mut self, file_name: &str) -> BlockId {
[INFO] [stdout]    |                              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SimpleDB` is never constructed
[INFO] [stdout]   --> src/app/simple_db.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct SimpleDB {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `file_manager`, `log_manager`, and `buffer_manager` are never used
[INFO] [stdout]   --> src/app/simple_db.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl SimpleDB {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] 18 |     pub fn new(db_dir: &str, block_size: usize, buffer_size: u16) -> Result<Self, Error> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn file_manager(&self) -> Arc<FileManager> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn log_manager(&self) -> Arc<Mutex<LogManager>> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn buffer_manager(&self) -> Arc<Mutex<BufferManager>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/buffer/buffer.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Buffer {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 11 |     file_manager: Arc<FileManager>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 12 |     log_manager: Arc<Mutex<LogManager>>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 13 |     contents: Page,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 14 |     block_id: Option<BlockId>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 15 |     pins: u32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 16 |     tx_num: Option<u32>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 17 |     lsn: Option<u32>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/buffer/buffer.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl Buffer {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 21 |     pub fn new(file_manager: Arc<FileManager>, log_manager: Arc<Mutex<LogManager>>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn contents(&mut self) -> &mut Page {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn block(&self) -> Option<&BlockId> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn is_pinned(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn set_modified(&mut self, txnum: u32, lsn: u32) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub fn modifing_tx_num(&self) -> Option<u32> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn pin(&mut self) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     pub fn unpin(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |     pub fn assign_to_block(&mut self, block_id: BlockId) -> Result<(), Error> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |     pub fn flush(&mut self) -> Result<(), Error> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `General` is never constructed
[INFO] [stdout]   --> src/buffer/buffer_manager.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub enum BufferAbortError {
[INFO] [stdout]    |          ---------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 18 |     General,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BufferAbortError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `buffer_pool`, `num_available`, and `max_time` are never read
[INFO] [stdout]   --> src/buffer/buffer_manager.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct BufferManager {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] 34 |     buffer_pool: Vec<Buffer>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 35 |     num_available: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 36 |     max_time: u128,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/buffer/buffer_manager.rs:40:11
[INFO] [stdout]     |
[INFO] [stdout] 39  | impl BufferManager {
[INFO] [stdout]     | ------------------ associated items in this implementation
[INFO] [stdout] 40  |     const MAX_TIME: u128 = 10 * 1000; // 10 seconds
[INFO] [stdout]     |           ^^^^^^^^
[INFO] [stdout] 41  |     pub fn new(
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 57  |     pub fn available(&self) -> u16 {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61  |     pub fn flush_all(&mut self, txnum: u32) -> Result<(), Error> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72  |     pub fn unpin(&mut self, idx: usize) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 81  |     pub fn pin(&mut self, blk: &BlockId) -> Result<usize, BufferAbortError> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 95  |     pub fn try_to_pin(&mut self, blk: &BlockId) -> Result<Option<usize>, Error> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |     pub fn find_existing_buffer(&mut self, blk: &BlockId) -> Option<usize> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 125 |     pub fn choose_unpinned_buffer(&mut self) -> Option<usize> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 134 |     pub fn waiting_too_long(&self, start_time: u128) -> Result<bool, SystemTimeError> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 138 |     pub fn get_buffer(&mut self, idx: usize) -> &mut Buffer {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 142 |     pub fn set_max_time(&mut self, max_time_m_sec: u128) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `now_mill_sec` is never used
[INFO] [stdout]    --> src/buffer/buffer_manager.rs:147:4
[INFO] [stdout]     |
[INFO] [stdout] 147 | fn now_mill_sec() -> Result<u128, SystemTimeError> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_null` is never used
[INFO] [stdout]   --> src/file/block_id.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl BlockId {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn is_null(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `is_new` is never read
[INFO] [stdout]   --> src/file/file_manager.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct FileManager {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     is_new: bool,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `write`, `append`, `is_new`, and `length` are never used
[INFO] [stdout]   --> src/file/file_manager.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl FileManager {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] 19 |     pub fn new(db_directory: path::PathBuf, block_size: usize) -> Result<Self, Error> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub fn write(&self, blk: &BlockId, page: &mut Page) -> Result<(), Error> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub fn append(&self, filename: &str) -> Result<BlockId, Error> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 87 |     pub fn is_new(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90 |     pub fn length(&self, file_name: &str) -> Result<u64, Error> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/file/page.rs:9:12
[INFO] [stdout]    |
[INFO] [stdout] 7  | impl Page {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 8  |     // A constructor for creating data buffers
[INFO] [stdout] 9  |     pub fn new(block_size: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn from_bytes(b: &[u8]) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn set_int(&mut self, offset: usize, n: u32) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn get_string(&self, offset: usize) -> Result<String, FromUtf8Error> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn set_bytes(&mut self, offset: usize, b: &[u8]) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn set_string(&mut self, offset: usize, s: &str) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn max_length(strlen: usize) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     pub fn contents(&self) -> &[u8] {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/log/log_iterator.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl LogIterator {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 17 |     pub fn new(file_manager: Arc<FileManager>, current_block: &BlockId) -> Result<Self, Error> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `file_manager`, `log_file`, `log_page`, `current_block`, `latest_lsn`, and `latest_saved_lsn` are never read
[INFO] [stdout]   --> src/log/log_manager.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct LogManager {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 8  |     file_manager: Arc<FileManager>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 9  |     log_file: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 10 |     log_page: Page,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 11 |     current_block: BlockId,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 12 |     // lsn: log sequence number
[INFO] [stdout] 13 |     latest_lsn: u32,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 14 |     latest_saved_lsn: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `flush`, `iterator`, `append`, `get_last_saved_lsn`, and `append_new_block` are never used
[INFO] [stdout]   --> src/log/log_manager.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl LogManager {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 18 |     pub fn new(file_manager: Arc<FileManager>, log_file: &str) -> Result<Self, Error> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn flush(&mut self, lsn: u32) -> Result<(), Error> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn iterator(&mut self) -> Result<LogIterator, Error> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub fn append(&mut self, log_record: &Vec<u8>) -> Result<u32, Error> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 88 |     pub fn get_last_saved_lsn(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 92 |     fn append_new_block(&mut self) -> Result<BlockId, Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ConcurrencyManager` is never constructed
[INFO] [stdout]  --> src/tx/concurrency/concurrency_manager.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct ConcurrencyManager {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/tx/concurrency/concurrency_manager.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl ConcurrencyManager {
[INFO] [stdout]    | ----------------------- associated function in this implementation
[INFO] [stdout] 11 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `General` is never constructed
[INFO] [stdout]   --> src/tx/concurrency/lock_table.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub enum LockAbortError {
[INFO] [stdout]    |          -------------- variant in this enum
[INFO] [stdout] 10 |     SystemTimeError(SystemTimeError),
[INFO] [stdout] 11 |     General,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LockTable` is never constructed
[INFO] [stdout]   --> src/tx/concurrency/lock_table.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct LockTable {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/tx/concurrency/lock_table.rs:26:11
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl LockTable {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 26 |     const MAX_TIME: u128 = 10 * 1000;
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout] 27 |
[INFO] [stdout] 28 |     pub fn new() -> LockTable {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn s_lock(&mut self, blk: &BlockId) -> Result<(), LockAbortError> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn x_lock(&mut self, blk: &BlockId) -> Result<(), LockAbortError> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn unlock(&mut self, blk: &BlockId) -> Result<(), SystemTimeError> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |     pub fn has_x_lock(&self, blk: &BlockId) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75 |     pub fn has_other_s_lock(&self, blk: &BlockId) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |     pub fn waiting_too_long(&self, time_stamp: u128) -> Result<bool, SystemTimeError> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 83 |     pub fn get_lock_value(&self, blk: &BlockId) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `now_mill_sec` is never used
[INFO] [stdout]   --> src/tx/concurrency/lock_table.rs:91:4
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn now_mill_sec() -> Result<u128, SystemTimeError> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/tx/recovery/checkpoint_record.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl CheckPointRecord {
[INFO] [stdout]   | --------------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn new() -> Self {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/tx/recovery/commit_record.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl CommitRecord {
[INFO] [stdout]   | ----------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn new(page: Page) -> Self {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_log_record` is never used
[INFO] [stdout]   --> src/tx/recovery/log_record.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub fn create_log_record(rec: Vec<u8>) -> Result<Box<dyn LogRecord>, TransactionError> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RecoveryManager` is never constructed
[INFO] [stdout]  --> src/tx/recovery/recovery_manager.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct RecoveryManager {}
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/tx/recovery/rollback_record.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl RollbackRecord {
[INFO] [stdout]    | ------------------- associated function in this implementation
[INFO] [stdout] 10 |     pub fn new(page: Page) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/tx/recovery/setint_record.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl SetIntRecord {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 10 |     pub fn new(page: Page) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `write_to_log` are never used
[INFO] [stdout]   --> src/tx/recovery/setstring_record.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl SetStringRecord {
[INFO] [stdout]    | -------------------- associated functions in this implementation
[INFO] [stdout] 23 |     pub fn new(page: Page) -> Result<Self, FromUtf8Error> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     fn write_to_log(
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/tx/recovery/start_record.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl StartRecord {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 10 |     pub fn new(page: Page) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `file_manager`, `log_manager`, and `buffer_manager` are never read
[INFO] [stdout]   --> src/tx/transaction.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Transaction {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 13 |     file_manager: Arc<FileManager>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 14 |     log_manager: Arc<Mutex<LogManager>>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 15 |     buffer_manager: Arc<Mutex<BufferManager>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `General` is never constructed
[INFO] [stdout]   --> src/tx/transaction.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub enum TransactionError {
[INFO] [stdout]    |          ---------------- variant in this enum
[INFO] [stdout] 19 |     FromUtf8Error(FromUtf8Error),
[INFO] [stdout] 20 |     General,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/tx/transaction.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl Transaction {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] 33 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub fn commit(&mut self) {}
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 46 |     pub fn rollback(&mut self) {}
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 47 |     pub fn recover(&mut self) {}
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn get_int(&self, block_id: &BlockId, offset: usize) -> u32 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn get_string(&self, block_id: &BlockId, offset: usize) -> &str {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn set_int(&mut self, block_id: &BlockId, offset: usize, val: u32, ok_to_log: bool) {}
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     pub fn available_buffers(&self) -> u16 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub fn size(&self, file_name: &str) -> usize {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     pub fn append(&mut self, file_name: &str) -> BlockId {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     pub fn block_size(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 64 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "8589e68e23adc79a83d0f648cf52de454b2de86bac9e75e350b4e2b20d1d48cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8589e68e23adc79a83d0f648cf52de454b2de86bac9e75e350b4e2b20d1d48cc", kill_on_drop: false }`
[INFO] [stdout] 8589e68e23adc79a83d0f648cf52de454b2de86bac9e75e350b4e2b20d1d48cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c4f68ebadd7ce1123113eafcc42c1617dde7261b7d70d8ebb57d954592a61f8
[INFO] running `Command { std: "docker" "start" "-a" "3c4f68ebadd7ce1123113eafcc42c1617dde7261b7d70d8ebb57d954592a61f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple_db_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `collections::hash_map::DefaultHasher`
[INFO] [stdout]  --> src/file/block_id.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     collections::hash_map::DefaultHasher,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TransactionError`
[INFO] [stdout]  --> src/tx/recovery/checkpoint_record.rs:1:43
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::tx::transaction::{Transaction, TransactionError};
[INFO] [stdout]   |                                           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TransactionError`
[INFO] [stdout]  --> src/tx/recovery/rollback_record.rs:3:36
[INFO] [stdout]   |
[INFO] [stdout] 3 |     tx::transaction::{Transaction, TransactionError},
[INFO] [stdout]   |                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TransactionError`
[INFO] [stdout]  --> src/tx/recovery/setint_record.rs:3:36
[INFO] [stdout]   |
[INFO] [stdout] 3 |     tx::transaction::{Transaction, TransactionError},
[INFO] [stdout]   |                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::log`
[INFO] [stdout]  --> src/tx/recovery/setstring_record.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::log;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TransactionError`
[INFO] [stdout]   --> src/tx/recovery/setstring_record.rs:11:36
[INFO] [stdout]    |
[INFO] [stdout] 11 |     tx::transaction::{Transaction, TransactionError},
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TransactionError`
[INFO] [stdout]  --> src/tx/recovery/start_record.rs:3:36
[INFO] [stdout]   |
[INFO] [stdout] 3 |     tx::transaction::{Transaction, TransactionError},
[INFO] [stdout]   |                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`, `iter::zip`, `mem::size_of`
[INFO] [stdout]  --> src/tx/test.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |         iter::zip,
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout] 6 |         mem::size_of,
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout] 7 |         sync::{Arc, Mutex},
[INFO] [stdout]   |                ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]   --> src/tx/recovery/checkpoint_record.rs:21:20
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn undo(&self, tx: &mut Transaction) {
[INFO] [stdout]    |                    ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `page`
[INFO] [stdout]  --> src/tx/recovery/commit_record.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn new(page: Page) -> Self {
[INFO] [stdout]   |                ^^^^ help: if this is intentional, prefix it with an underscore: `_page`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]   --> src/tx/recovery/commit_record.rs:21:20
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn undo(&self, tx: &mut Transaction) {
[INFO] [stdout]    |                    ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `page`
[INFO] [stdout]   --> src/tx/recovery/rollback_record.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new(page: Page) -> Self {
[INFO] [stdout]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_page`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]   --> src/tx/recovery/rollback_record.rs:24:20
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn undo(&self, tx: &mut Transaction) {
[INFO] [stdout]    |                    ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `page`
[INFO] [stdout]   --> src/tx/recovery/setint_record.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new(page: Page) -> Self {
[INFO] [stdout]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_page`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]   --> src/tx/recovery/setint_record.rs:24:20
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn undo(&self, tx: &mut Transaction) {
[INFO] [stdout]    |                    ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `page`
[INFO] [stdout]   --> src/tx/recovery/start_record.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new(page: Page) -> Self {
[INFO] [stdout]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_page`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]   --> src/tx/recovery/start_record.rs:24:20
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn undo(&self, tx: &mut Transaction) {
[INFO] [stdout]    |                    ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block_id`
[INFO] [stdout]   --> src/tx/transaction.rs:49:27
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn pin(&mut self, block_id: &BlockId) {}
[INFO] [stdout]    |                           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block_id`
[INFO] [stdout]   --> src/tx/transaction.rs:50:29
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn unpin(&mut self, block_id: &BlockId) {}
[INFO] [stdout]    |                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block_id`
[INFO] [stdout]   --> src/tx/transaction.rs:52:27
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn get_int(&self, block_id: &BlockId, offset: usize) -> u32 {
[INFO] [stdout]    |                           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]   --> src/tx/transaction.rs:52:47
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn get_int(&self, block_id: &BlockId, offset: usize) -> u32 {
[INFO] [stdout]    |                                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block_id`
[INFO] [stdout]   --> src/tx/transaction.rs:55:30
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn get_string(&self, block_id: &BlockId, offset: usize) -> &str {
[INFO] [stdout]    |                              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]   --> src/tx/transaction.rs:55:50
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn get_string(&self, block_id: &BlockId, offset: usize) -> &str {
[INFO] [stdout]    |                                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block_id`
[INFO] [stdout]   --> src/tx/transaction.rs:58:31
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn set_int(&mut self, block_id: &BlockId, offset: usize, val: u32, ok_to_log: bool) {}
[INFO] [stdout]    |                               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]   --> src/tx/transaction.rs:58:51
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn set_int(&mut self, block_id: &BlockId, offset: usize, val: u32, ok_to_log: bool) {}
[INFO] [stdout]    |                                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/tx/transaction.rs:58:66
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn set_int(&mut self, block_id: &BlockId, offset: usize, val: u32, ok_to_log: bool) {}
[INFO] [stdout]    |                                                                  ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ok_to_log`
[INFO] [stdout]   --> src/tx/transaction.rs:58:76
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn set_int(&mut self, block_id: &BlockId, offset: usize, val: u32, ok_to_log: bool) {}
[INFO] [stdout]    |                                                                            ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ok_to_log`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block_id`
[INFO] [stdout]   --> src/tx/transaction.rs:60:34
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn set_string(&mut self, block_id: &BlockId, offset: usize, val: &str, ok_to_log: bool) {}
[INFO] [stdout]    |                                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]   --> src/tx/transaction.rs:60:54
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn set_string(&mut self, block_id: &BlockId, offset: usize, val: &str, ok_to_log: bool) {}
[INFO] [stdout]    |                                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/tx/transaction.rs:60:69
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn set_string(&mut self, block_id: &BlockId, offset: usize, val: &str, ok_to_log: bool) {}
[INFO] [stdout]    |                                                                     ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ok_to_log`
[INFO] [stdout]   --> src/tx/transaction.rs:60:80
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn set_string(&mut self, block_id: &BlockId, offset: usize, val: &str, ok_to_log: bool) {}
[INFO] [stdout]    |                                                                                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ok_to_log`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_name`
[INFO] [stdout]   --> src/tx/transaction.rs:66:24
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn size(&self, file_name: &str) -> usize {
[INFO] [stdout]    |                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_name`
[INFO] [stdout]   --> src/tx/transaction.rs:69:30
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn append(&mut self, file_name: &str) -> BlockId {
[INFO] [stdout]    |                              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `flush_all` is never used
[INFO] [stdout]   --> src/buffer/buffer_manager.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl BufferManager {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 61 |     pub fn flush_all(&mut self, txnum: u32) -> Result<(), Error> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_null` is never used
[INFO] [stdout]   --> src/file/block_id.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl BlockId {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn is_null(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `is_new` is never read
[INFO] [stdout]   --> src/file/file_manager.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct FileManager {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     is_new: bool,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_new` is never used
[INFO] [stdout]   --> src/file/file_manager.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl FileManager {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 87 |     pub fn is_new(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_last_saved_lsn` is never used
[INFO] [stdout]   --> src/log/log_manager.rs:88:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl LogManager {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 88 |     pub fn get_last_saved_lsn(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ConcurrencyManager` is never constructed
[INFO] [stdout]  --> src/tx/concurrency/concurrency_manager.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct ConcurrencyManager {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/tx/concurrency/concurrency_manager.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl ConcurrencyManager {
[INFO] [stdout]    | ----------------------- associated function in this implementation
[INFO] [stdout] 11 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `General` is never constructed
[INFO] [stdout]   --> src/tx/concurrency/lock_table.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub enum LockAbortError {
[INFO] [stdout]    |          -------------- variant in this enum
[INFO] [stdout] 10 |     SystemTimeError(SystemTimeError),
[INFO] [stdout] 11 |     General,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LockTable` is never constructed
[INFO] [stdout]   --> src/tx/concurrency/lock_table.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct LockTable {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/tx/concurrency/lock_table.rs:26:11
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl LockTable {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 26 |     const MAX_TIME: u128 = 10 * 1000;
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout] 27 |
[INFO] [stdout] 28 |     pub fn new() -> LockTable {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn s_lock(&mut self, blk: &BlockId) -> Result<(), LockAbortError> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn x_lock(&mut self, blk: &BlockId) -> Result<(), LockAbortError> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn unlock(&mut self, blk: &BlockId) -> Result<(), SystemTimeError> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |     pub fn has_x_lock(&self, blk: &BlockId) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75 |     pub fn has_other_s_lock(&self, blk: &BlockId) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |     pub fn waiting_too_long(&self, time_stamp: u128) -> Result<bool, SystemTimeError> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 83 |     pub fn get_lock_value(&self, blk: &BlockId) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `now_mill_sec` is never used
[INFO] [stdout]   --> src/tx/concurrency/lock_table.rs:91:4
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn now_mill_sec() -> Result<u128, SystemTimeError> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/tx/recovery/checkpoint_record.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl CheckPointRecord {
[INFO] [stdout]   | --------------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn new() -> Self {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/tx/recovery/commit_record.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl CommitRecord {
[INFO] [stdout]   | ----------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn new(page: Page) -> Self {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_log_record` is never used
[INFO] [stdout]   --> src/tx/recovery/log_record.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub fn create_log_record(rec: Vec<u8>) -> Result<Box<dyn LogRecord>, TransactionError> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RecoveryManager` is never constructed
[INFO] [stdout]  --> src/tx/recovery/recovery_manager.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct RecoveryManager {}
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/tx/recovery/rollback_record.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl RollbackRecord {
[INFO] [stdout]    | ------------------- associated function in this implementation
[INFO] [stdout] 10 |     pub fn new(page: Page) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/tx/recovery/setint_record.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl SetIntRecord {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 10 |     pub fn new(page: Page) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `write_to_log` are never used
[INFO] [stdout]   --> src/tx/recovery/setstring_record.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl SetStringRecord {
[INFO] [stdout]    | -------------------- associated functions in this implementation
[INFO] [stdout] 23 |     pub fn new(page: Page) -> Result<Self, FromUtf8Error> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     fn write_to_log(
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/tx/recovery/start_record.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl StartRecord {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 10 |     pub fn new(page: Page) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `file_manager`, `log_manager`, and `buffer_manager` are never read
[INFO] [stdout]   --> src/tx/transaction.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Transaction {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 13 |     file_manager: Arc<FileManager>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 14 |     log_manager: Arc<Mutex<LogManager>>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 15 |     buffer_manager: Arc<Mutex<BufferManager>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `General` is never constructed
[INFO] [stdout]   --> src/tx/transaction.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub enum TransactionError {
[INFO] [stdout]    |          ---------------- variant in this enum
[INFO] [stdout] 19 |     FromUtf8Error(FromUtf8Error),
[INFO] [stdout] 20 |     General,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `recover`, `available_buffers`, `size`, `append`, and `block_size` are never used
[INFO] [stdout]   --> src/tx/transaction.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl Transaction {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn recover(&mut self) {}
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     pub fn available_buffers(&self) -> u16 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub fn size(&self, file_name: &str) -> usize {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     pub fn append(&mut self, file_name: &str) -> BlockId {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     pub fn block_size(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 55 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "3c4f68ebadd7ce1123113eafcc42c1617dde7261b7d70d8ebb57d954592a61f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c4f68ebadd7ce1123113eafcc42c1617dde7261b7d70d8ebb57d954592a61f8", kill_on_drop: false }`
[INFO] [stdout] 3c4f68ebadd7ce1123113eafcc42c1617dde7261b7d70d8ebb57d954592a61f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f4cc5b83e33beb4e930a006a1957ee4047e65f82dcc5b24b5f78fe6e078d43f8
[INFO] running `Command { std: "docker" "start" "-a" "f4cc5b83e33beb4e930a006a1957ee4047e65f82dcc5b24b5f78fe6e078d43f8", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `collections::hash_map::DefaultHasher`
[INFO] [stderr]  --> src/file/block_id.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     collections::hash_map::DefaultHasher,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TransactionError`
[INFO] [stderr]  --> src/tx/recovery/checkpoint_record.rs:1:43
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::tx::transaction::{Transaction, TransactionError};
[INFO] [stderr]   |                                           ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TransactionError`
[INFO] [stderr]  --> src/tx/recovery/rollback_record.rs:3:36
[INFO] [stderr]   |
[INFO] [stderr] 3 |     tx::transaction::{Transaction, TransactionError},
[INFO] [stderr]   |                                    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TransactionError`
[INFO] [stderr]  --> src/tx/recovery/setint_record.rs:3:36
[INFO] [stderr]   |
[INFO] [stderr] 3 |     tx::transaction::{Transaction, TransactionError},
[INFO] [stderr]   |                                    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::log`
[INFO] [stderr]  --> src/tx/recovery/setstring_record.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use crate::log;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TransactionError`
[INFO] [stderr]   --> src/tx/recovery/setstring_record.rs:11:36
[INFO] [stderr]    |
[INFO] [stderr] 11 |     tx::transaction::{Transaction, TransactionError},
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TransactionError`
[INFO] [stderr]  --> src/tx/recovery/start_record.rs:3:36
[INFO] [stderr]   |
[INFO] [stderr] 3 |     tx::transaction::{Transaction, TransactionError},
[INFO] [stderr]   |                                    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Arc`, `Mutex`, `iter::zip`, `mem::size_of`
[INFO] [stderr]  --> src/tx/test.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |         iter::zip,
[INFO] [stderr]   |         ^^^^^^^^^
[INFO] [stderr] 6 |         mem::size_of,
[INFO] [stderr]   |         ^^^^^^^^^^^^
[INFO] [stderr] 7 |         sync::{Arc, Mutex},
[INFO] [stderr]   |                ^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tx`
[INFO] [stderr]   --> src/tx/recovery/checkpoint_record.rs:21:20
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn undo(&self, tx: &mut Transaction) {
[INFO] [stderr]    |                    ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `page`
[INFO] [stderr]  --> src/tx/recovery/commit_record.rs:7:16
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub fn new(page: Page) -> Self {
[INFO] [stderr]   |                ^^^^ help: if this is intentional, prefix it with an underscore: `_page`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tx`
[INFO] [stderr]   --> src/tx/recovery/commit_record.rs:21:20
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn undo(&self, tx: &mut Transaction) {
[INFO] [stderr]    |                    ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `page`
[INFO] [stderr]   --> src/tx/recovery/rollback_record.rs:10:16
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn new(page: Page) -> Self {
[INFO] [stderr]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_page`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tx`
[INFO] [stderr]   --> src/tx/recovery/rollback_record.rs:24:20
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn undo(&self, tx: &mut Transaction) {
[INFO] [stderr]    |                    ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `page`
[INFO] [stderr]   --> src/tx/recovery/setint_record.rs:10:16
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn new(page: Page) -> Self {
[INFO] [stderr]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_page`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tx`
[INFO] [stderr]   --> src/tx/recovery/setint_record.rs:24:20
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn undo(&self, tx: &mut Transaction) {
[INFO] [stderr]    |                    ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `page`
[INFO] [stderr]   --> src/tx/recovery/start_record.rs:10:16
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn new(page: Page) -> Self {
[INFO] [stderr]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_page`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tx`
[INFO] [stderr]   --> src/tx/recovery/start_record.rs:24:20
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn undo(&self, tx: &mut Transaction) {
[INFO] [stderr]    |                    ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `block_id`
[INFO] [stderr]   --> src/tx/transaction.rs:49:27
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn pin(&mut self, block_id: &BlockId) {}
[INFO] [stderr]    |                           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `block_id`
[INFO] [stderr]   --> src/tx/transaction.rs:50:29
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn unpin(&mut self, block_id: &BlockId) {}
[INFO] [stderr]    |                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `block_id`
[INFO] [stderr]   --> src/tx/transaction.rs:52:27
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn get_int(&self, block_id: &BlockId, offset: usize) -> u32 {
[INFO] [stderr]    |                           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `offset`
[INFO] [stderr]   --> src/tx/transaction.rs:52:47
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn get_int(&self, block_id: &BlockId, offset: usize) -> u32 {
[INFO] [stderr]    |                                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `block_id`
[INFO] [stderr]   --> src/tx/transaction.rs:55:30
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn get_string(&self, block_id: &BlockId, offset: usize) -> &str {
[INFO] [stderr]    |                              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `offset`
[INFO] [stderr]   --> src/tx/transaction.rs:55:50
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn get_string(&self, block_id: &BlockId, offset: usize) -> &str {
[INFO] [stderr]    |                                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `block_id`
[INFO] [stderr]   --> src/tx/transaction.rs:58:31
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn set_int(&mut self, block_id: &BlockId, offset: usize, val: u32, ok_to_log: bool) {}
[INFO] [stderr]    |                               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `offset`
[INFO] [stderr]   --> src/tx/transaction.rs:58:51
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn set_int(&mut self, block_id: &BlockId, offset: usize, val: u32, ok_to_log: bool) {}
[INFO] [stderr]    |                                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `val`
[INFO] [stderr]   --> src/tx/transaction.rs:58:66
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn set_int(&mut self, block_id: &BlockId, offset: usize, val: u32, ok_to_log: bool) {}
[INFO] [stderr]    |                                                                  ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ok_to_log`
[INFO] [stderr]   --> src/tx/transaction.rs:58:76
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn set_int(&mut self, block_id: &BlockId, offset: usize, val: u32, ok_to_log: bool) {}
[INFO] [stderr]    |                                                                            ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ok_to_log`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `block_id`
[INFO] [stderr]   --> src/tx/transaction.rs:60:34
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub fn set_string(&mut self, block_id: &BlockId, offset: usize, val: &str, ok_to_log: bool) {}
[INFO] [stderr]    |                                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `offset`
[INFO] [stderr]   --> src/tx/transaction.rs:60:54
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub fn set_string(&mut self, block_id: &BlockId, offset: usize, val: &str, ok_to_log: bool) {}
[INFO] [stderr]    |                                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `val`
[INFO] [stderr]   --> src/tx/transaction.rs:60:69
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub fn set_string(&mut self, block_id: &BlockId, offset: usize, val: &str, ok_to_log: bool) {}
[INFO] [stderr]    |                                                                     ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ok_to_log`
[INFO] [stderr]   --> src/tx/transaction.rs:60:80
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub fn set_string(&mut self, block_id: &BlockId, offset: usize, val: &str, ok_to_log: bool) {}
[INFO] [stderr]    |                                                                                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ok_to_log`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file_name`
[INFO] [stderr]   --> src/tx/transaction.rs:66:24
[INFO] [stderr]    |
[INFO] [stderr] 66 |     pub fn size(&self, file_name: &str) -> usize {
[INFO] [stderr]    |                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file_name`
[INFO] [stderr]   --> src/tx/transaction.rs:69:30
[INFO] [stderr]    |
[INFO] [stderr] 69 |     pub fn append(&mut self, file_name: &str) -> BlockId {
[INFO] [stderr]    |                              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stderr] 
[INFO] [stderr] warning: method `flush_all` is never used
[INFO] [stderr]   --> src/buffer/buffer_manager.rs:61:12
[INFO] [stderr]    |
[INFO] [stderr] 39 | impl BufferManager {
[INFO] [stderr]    | ------------------ method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 61 |     pub fn flush_all(&mut self, txnum: u32) -> Result<(), Error> {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `is_null` is never used
[INFO] [stderr]   --> src/file/block_id.rs:30:12
[INFO] [stderr]    |
[INFO] [stderr] 14 | impl BlockId {
[INFO] [stderr]    | ------------ method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 30 |     pub fn is_null(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `is_new` is never read
[INFO] [stderr]   --> src/file/file_manager.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub struct FileManager {
[INFO] [stderr]    |            ----------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 14 |     is_new: bool,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `is_new` is never used
[INFO] [stderr]   --> src/file/file_manager.rs:87:12
[INFO] [stderr]    |
[INFO] [stderr] 18 | impl FileManager {
[INFO] [stderr]    | ---------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 87 |     pub fn is_new(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `get_last_saved_lsn` is never used
[INFO] [stderr]   --> src/log/log_manager.rs:88:12
[INFO] [stderr]    |
[INFO] [stderr] 17 | impl LogManager {
[INFO] [stderr]    | --------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 88 |     pub fn get_last_saved_lsn(&self) -> u32 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ConcurrencyManager` is never constructed
[INFO] [stderr]  --> src/tx/concurrency/concurrency_manager.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct ConcurrencyManager {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/tx/concurrency/concurrency_manager.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | impl ConcurrencyManager {
[INFO] [stderr]    | ----------------------- associated function in this implementation
[INFO] [stderr] 11 |     fn new() -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `General` is never constructed
[INFO] [stderr]   --> src/tx/concurrency/lock_table.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 9  | pub enum LockAbortError {
[INFO] [stderr]    |          -------------- variant in this enum
[INFO] [stderr] 10 |     SystemTimeError(SystemTimeError),
[INFO] [stderr] 11 |     General,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `LockTable` is never constructed
[INFO] [stderr]   --> src/tx/concurrency/lock_table.rs:20:12
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub struct LockTable {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple associated items are never used
[INFO] [stderr]   --> src/tx/concurrency/lock_table.rs:26:11
[INFO] [stderr]    |
[INFO] [stderr] 25 | impl LockTable {
[INFO] [stderr]    | -------------- associated items in this implementation
[INFO] [stderr] 26 |     const MAX_TIME: u128 = 10 * 1000;
[INFO] [stderr]    |           ^^^^^^^^
[INFO] [stderr] 27 |
[INFO] [stderr] 28 |     pub fn new() -> LockTable {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 35 |     pub fn s_lock(&mut self, blk: &BlockId) -> Result<(), LockAbortError> {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 48 |     pub fn x_lock(&mut self, blk: &BlockId) -> Result<(), LockAbortError> {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 60 |     pub fn unlock(&mut self, blk: &BlockId) -> Result<(), SystemTimeError> {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 71 |     pub fn has_x_lock(&self, blk: &BlockId) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 75 |     pub fn has_other_s_lock(&self, blk: &BlockId) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 79 |     pub fn waiting_too_long(&self, time_stamp: u128) -> Result<bool, SystemTimeError> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 83 |     pub fn get_lock_value(&self, blk: &BlockId) -> i32 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `now_mill_sec` is never used
[INFO] [stderr]   --> src/tx/concurrency/lock_table.rs:91:4
[INFO] [stderr]    |
[INFO] [stderr] 91 | fn now_mill_sec() -> Result<u128, SystemTimeError> {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]  --> src/tx/recovery/checkpoint_record.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | impl CheckPointRecord {
[INFO] [stderr]   | --------------------- associated function in this implementation
[INFO] [stderr] 7 |     pub fn new() -> Self {
[INFO] [stderr]   |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]  --> src/tx/recovery/commit_record.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | impl CommitRecord {
[INFO] [stderr]   | ----------------- associated function in this implementation
[INFO] [stderr] 7 |     pub fn new(page: Page) -> Self {
[INFO] [stderr]   |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `create_log_record` is never used
[INFO] [stderr]   --> src/tx/recovery/log_record.rs:42:8
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub fn create_log_record(rec: Vec<u8>) -> Result<Box<dyn LogRecord>, TransactionError> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `RecoveryManager` is never constructed
[INFO] [stderr]  --> src/tx/recovery/recovery_manager.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub struct RecoveryManager {}
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/tx/recovery/rollback_record.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 9  | impl RollbackRecord {
[INFO] [stderr]    | ------------------- associated function in this implementation
[INFO] [stderr] 10 |     pub fn new(page: Page) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/tx/recovery/setint_record.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 9  | impl SetIntRecord {
[INFO] [stderr]    | ----------------- associated function in this implementation
[INFO] [stderr] 10 |     pub fn new(page: Page) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `new` and `write_to_log` are never used
[INFO] [stderr]   --> src/tx/recovery/setstring_record.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 22 | impl SetStringRecord {
[INFO] [stderr]    | -------------------- associated functions in this implementation
[INFO] [stderr] 23 |     pub fn new(page: Page) -> Result<Self, FromUtf8Error> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 47 |     fn write_to_log(
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/tx/recovery/start_record.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 9  | impl StartRecord {
[INFO] [stderr]    | ---------------- associated function in this implementation
[INFO] [stderr] 10 |     pub fn new(page: Page) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `file_manager`, `log_manager`, and `buffer_manager` are never read
[INFO] [stderr]   --> src/tx/transaction.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub struct Transaction {
[INFO] [stderr]    |            ----------- fields in this struct
[INFO] [stderr] 13 |     file_manager: Arc<FileManager>,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 14 |     log_manager: Arc<Mutex<LogManager>>,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 15 |     buffer_manager: Arc<Mutex<BufferManager>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `General` is never constructed
[INFO] [stderr]   --> src/tx/transaction.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub enum TransactionError {
[INFO] [stderr]    |          ---------------- variant in this enum
[INFO] [stderr] 19 |     FromUtf8Error(FromUtf8Error),
[INFO] [stderr] 20 |     General,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `recover`, `available_buffers`, `size`, `append`, and `block_size` are never used
[INFO] [stderr]   --> src/tx/transaction.rs:47:12
[INFO] [stderr]    |
[INFO] [stderr] 32 | impl Transaction {
[INFO] [stderr]    | ---------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 47 |     pub fn recover(&mut self) {}
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 62 |     pub fn available_buffers(&self) -> u16 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 66 |     pub fn size(&self, file_name: &str) -> usize {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 69 |     pub fn append(&mut self, file_name: &str) -> BlockId {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 72 |     pub fn block_size(&self) -> usize {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `simple_db_rust` (bin "simple_db_rust" test) generated 55 warnings (run `cargo fix --bin "simple_db_rust" --tests` to apply 33 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/simple_db_rust-1389f7ebaa146a33)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test file::block_id::tests::test_block_id ... ok
[INFO] [stdout] test file::page::tests::test_set_get_string ... ok
[INFO] [stdout] test buffer::test::tests::buffer_manager_test::test_buffer_manager ... FAILED
[INFO] [stdout] test buffer::test::tests::buffer_test::test_buffer ... FAILED
[INFO] [stdout] test file::test::tests::test_file ... FAILED
[INFO] [stdout] test log::test::tests::test_log ... FAILED
[INFO] [stdout] test tx::test::tests::test_transaction ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- buffer::test::tests::buffer_manager_test::test_buffer_manager stdout ----
[INFO] [stdout] thread 'buffer::test::tests::buffer_manager_test::test_buffer_manager' panicked at src/buffer/test.rs:50:67:
[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:     0x55c18ce09be6 - std::backtrace_rs::backtrace::libunwind::trace::hbee8a7973eeb6c93
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55c18ce09be6 - std::backtrace_rs::backtrace::trace_unsynchronized::hc8ac75eea3aa6899
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55c18ce09be6 - std::sys_common::backtrace::_print_fmt::hc7f3e3b5298b1083
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55c18ce09be6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hbb235daedd7c6190
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55c18ce335c0 - core::fmt::rt::Argument::fmt::h76c38a80d925a410
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55c18ce335c0 - core::fmt::write::h3ed6aeaa977c8e45
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55c18ce073df - std::io::Write::write_fmt::h1299aa7741865f2b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x55c18ce099c4 - std::sys_common::backtrace::_print::h5d645a07e0fcfdbb
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55c18ce099c4 - std::sys_common::backtrace::print::h85035a511aafe7a8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55c18ce0b737 - std::panicking::default_hook::{{closure}}::hcce8cea212785a25
[INFO] [stdout]   10:     0x55c18ce0b41d - std::panicking::default_hook::hf5fcb0f213fe709a
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x55c18cddab27 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h60265c2dfa87ee34
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x55c18cddab27 - test::test_main::{{closure}}::h77865bd3127078c6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x55c18ce0bd56 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbc5ccf4eb663e1e5
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x55c18ce0bd56 - std::panicking::rust_panic_with_hook::h095fccf1dc9379ee
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x55c18ce0baa2 - std::panicking::begin_panic_handler::{{closure}}::h032ba12139b353db
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x55c18ce0a0e6 - std::sys_common::backtrace::__rust_end_short_backtrace::h9259bc2ff8fd0f76
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55c18ce0b800 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x55c18cd800f5 - core::panicking::panic_fmt::h784f20a50eaab275
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55c18cd80693 - core::result::unwrap_failed::h03d8a5018196e1cd
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/result.rs:1649:5
[INFO] [stdout]   20:     0x55c18cd9bf8c - core::result::Result<T,E>::unwrap::hc718f40c1830e48f
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/result.rs:1073:23
[INFO] [stdout]   21:     0x55c18cd90d57 - simple_db_rust::buffer::test::tests::buffer_manager_test::test_buffer_manager::he6156bdc745f04e1
[INFO] [stdout]                                at /opt/rustwide/workdir/src/buffer/test.rs:50:22
[INFO] [stdout]   22:     0x55c18cd90ce7 - simple_db_rust::buffer::test::tests::buffer_manager_test::test_buffer_manager::{{closure}}::hd30c3d3450ce012c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/buffer/test.rs:49:33
[INFO] [stdout]   23:     0x55c18cd88c56 - core::ops::function::FnOnce::call_once::h4910913b6764d2bc
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55c18cde03ff - core::ops::function::FnOnce::call_once::h8dc6907944022cf6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x55c18cde03ff - test::__rust_begin_short_backtrace::haae1a87433f1efb3
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:627:18
[INFO] [stdout]   26:     0x55c18cddf181 - test::run_test_in_process::{{closure}}::h8c7decfa7c14e152
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:650:60
[INFO] [stdout]   27:     0x55c18cddf181 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h19e6ff056d9d21e9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x55c18cddf181 - std::panicking::try::do_call::h89c848fcaa37c035
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   29:     0x55c18cddf181 - std::panicking::try::h57ab3dc74e2839b8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   30:     0x55c18cddf181 - std::panic::catch_unwind::hfb6a1b1abc120fb9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x55c18cddf181 - test::run_test_in_process::h5ae2f9875edd562d
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:650:27
[INFO] [stdout]   32:     0x55c18cddf181 - test::run_test::{{closure}}::h35d7300d8928a067
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:573:43
[INFO] [stdout]   33:     0x55c18cda64b6 - test::run_test::{{closure}}::h7525ced405d23d1b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:601:41
[INFO] [stdout]   34:     0x55c18cda64b6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h4e7db78ce05afad8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x55c18cdab517 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hcfbcb64f1a1b3482
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x55c18cdab517 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9d89c5c4108bd689
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x55c18cdab517 - std::panicking::try::do_call::h8a4869bc94ec50c9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   38:     0x55c18cdab517 - std::panicking::try::h9a576f20ff81ac30
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   39:     0x55c18cdab517 - std::panic::catch_unwind::hbcb4e3f860ef9830
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x55c18cdab517 - std::thread::Builder::spawn_unchecked_::{{closure}}::h93c79a6be1505948
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x55c18cdab517 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h426d96740c81bdaf
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55c18ce11315 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h12de4fc57affb195
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   43:     0x55c18ce11315 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3c619f45059d5cf1
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   44:     0x55c18ce11315 - std::sys::unix::thread::Thread::new::thread_start::hbac657605e4b7389
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7fa6995baac3 - <unknown>
[INFO] [stdout]   46:     0x7fa69964bbf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- buffer::test::tests::buffer_test::test_buffer stdout ----
[INFO] [stdout] thread 'buffer::test::tests::buffer_test::test_buffer' panicked at src/buffer/test.rs:10:59:
[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:     0x55c18ce09be6 - std::backtrace_rs::backtrace::libunwind::trace::hbee8a7973eeb6c93
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55c18ce09be6 - std::backtrace_rs::backtrace::trace_unsynchronized::hc8ac75eea3aa6899
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55c18ce09be6 - std::sys_common::backtrace::_print_fmt::hc7f3e3b5298b1083
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55c18ce09be6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hbb235daedd7c6190
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55c18ce335c0 - core::fmt::rt::Argument::fmt::h76c38a80d925a410
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55c18ce335c0 - core::fmt::write::h3ed6aeaa977c8e45
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55c18ce073df - std::io::Write::write_fmt::h1299aa7741865f2b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x55c18ce099c4 - std::sys_common::backtrace::_print::h5d645a07e0fcfdbb
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55c18ce099c4 - std::sys_common::backtrace::print::h85035a511aafe7a8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55c18ce0b737 - std::panicking::default_hook::{{closure}}::hcce8cea212785a25
[INFO] [stdout]   10:     0x55c18ce0b41d - std::panicking::default_hook::hf5fcb0f213fe709a
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x55c18cddab27 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h60265c2dfa87ee34
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x55c18cddab27 - test::test_main::{{closure}}::h77865bd3127078c6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x55c18ce0bd56 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbc5ccf4eb663e1e5
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x55c18ce0bd56 - std::panicking::rust_panic_with_hook::h095fccf1dc9379ee
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x55c18ce0baa2 - std::panicking::begin_panic_handler::{{closure}}::h032ba12139b353db
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x55c18ce0a0e6 - std::sys_common::backtrace::__rust_end_short_backtrace::h9259bc2ff8fd0f76
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55c18ce0b800 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x55c18cd800f5 - core::panicking::panic_fmt::h784f20a50eaab275
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55c18cd80693 - core::result::unwrap_failed::h03d8a5018196e1cd
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/result.rs:1649:5
[INFO] [stdout]   20:     0x55c18cd9bf8c - core::result::Result<T,E>::unwrap::hc718f40c1830e48f
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/result.rs:1073:23
[INFO] [stdout]   21:     0x55c18cd9950b - simple_db_rust::buffer::test::tests::buffer_test::test_buffer::h208e554380ddefa2
[INFO] [stdout]                                at /opt/rustwide/workdir/src/buffer/test.rs:10:22
[INFO] [stdout]   22:     0x55c18cd99487 - simple_db_rust::buffer::test::tests::buffer_test::test_buffer::{{closure}}::h659cf489e1059777
[INFO] [stdout]                                at /opt/rustwide/workdir/src/buffer/test.rs:9:25
[INFO] [stdout]   23:     0x55c18cd88dd6 - core::ops::function::FnOnce::call_once::ha251134f82bcdb1f
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55c18cde03ff - core::ops::function::FnOnce::call_once::h8dc6907944022cf6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x55c18cde03ff - test::__rust_begin_short_backtrace::haae1a87433f1efb3
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:627:18
[INFO] [stdout]   26:     0x55c18cddf181 - test::run_test_in_process::{{closure}}::h8c7decfa7c14e152
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:650:60
[INFO] [stdout]   27:     0x55c18cddf181 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h19e6ff056d9d21e9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x55c18cddf181 - std::panicking::try::do_call::h89c848fcaa37c035
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   29:     0x55c18cddf181 - std::panicking::try::h57ab3dc74e2839b8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   30:     0x55c18cddf181 - std::panic::catch_unwind::hfb6a1b1abc120fb9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x55c18cddf181 - test::run_test_in_process::h5ae2f9875edd562d
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:650:27
[INFO] [stdout]   32:     0x55c18cddf181 - test::run_test::{{closure}}::h35d7300d8928a067
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:573:43
[INFO] [stdout]   33:     0x55c18cda64b6 - test::run_test::{{closure}}::h7525ced405d23d1b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:601:41
[INFO] [stdout]   34:     0x55c18cda64b6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h4e7db78ce05afad8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x55c18cdab517 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hcfbcb64f1a1b3482
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x55c18cdab517 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9d89c5c4108bd689
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x55c18cdab517 - std::panicking::try::do_call::h8a4869bc94ec50c9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   38:     0x55c18cdab517 - std::panicking::try::h9a576f20ff81ac30
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   39:     0x55c18cdab517 - std::panic::catch_unwind::hbcb4e3f860ef9830
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x55c18cdab517 - std::thread::Builder::spawn_unchecked_::{{closure}}::h93c79a6be1505948
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x55c18cdab517 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h426d96740c81bdaf
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55c18ce11315 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h12de4fc57affb195
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   43:     0x55c18ce11315 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3c619f45059d5cf1
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   44:     0x55c18ce11315 - std::sys::unix::thread::Thread::new::thread_start::hbac657605e4b7389
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7fa6995baac3 - <unknown>
[INFO] [stdout]   46:     0x7fa69964bbf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- file::test::tests::test_file stdout ----
[INFO] [stdout] thread 'file::test::tests::test_file' panicked at src/file/test.rs:12:60:
[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:     0x55c18ce09be6 - std::backtrace_rs::backtrace::libunwind::trace::hbee8a7973eeb6c93
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55c18ce09be6 - std::backtrace_rs::backtrace::trace_unsynchronized::hc8ac75eea3aa6899
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55c18ce09be6 - std::sys_common::backtrace::_print_fmt::hc7f3e3b5298b1083
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55c18ce09be6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hbb235daedd7c6190
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55c18ce335c0 - core::fmt::rt::Argument::fmt::h76c38a80d925a410
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55c18ce335c0 - core::fmt::write::h3ed6aeaa977c8e45
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55c18ce073df - std::io::Write::write_fmt::h1299aa7741865f2b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x55c18ce099c4 - std::sys_common::backtrace::_print::h5d645a07e0fcfdbb
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55c18ce099c4 - std::sys_common::backtrace::print::h85035a511aafe7a8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55c18ce0b737 - std::panicking::default_hook::{{closure}}::hcce8cea212785a25
[INFO] [stdout]   10:     0x55c18ce0b41d - std::panicking::default_hook::hf5fcb0f213fe709a
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x55c18cddab27 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h60265c2dfa87ee34
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x55c18cddab27 - test::test_main::{{closure}}::h77865bd3127078c6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x55c18ce0bd56 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbc5ccf4eb663e1e5
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x55c18ce0bd56 - std::panicking::rust_panic_with_hook::h095fccf1dc9379ee
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x55c18ce0baa2 - std::panicking::begin_panic_handler::{{closure}}::h032ba12139b353db
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x55c18ce0a0e6 - std::sys_common::backtrace::__rust_end_short_backtrace::h9259bc2ff8fd0f76
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55c18ce0b800 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x55c18cd800f5 - core::panicking::panic_fmt::h784f20a50eaab275
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55c18cd80693 - core::result::unwrap_failed::h03d8a5018196e1cd
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/result.rs:1649:5
[INFO] [stdout]   20:     0x55c18cd9bf8c - core::result::Result<T,E>::unwrap::hc718f40c1830e48f
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/result.rs:1073:23
[INFO] [stdout]   21:     0x55c18cd9205e - simple_db_rust::file::test::tests::test_file::hf623638017b5c453
[INFO] [stdout]                                at /opt/rustwide/workdir/src/file/test.rs:12:18
[INFO] [stdout]   22:     0x55c18cd91fc7 - simple_db_rust::file::test::tests::test_file::{{closure}}::h7c27b3d09349bcdb
[INFO] [stdout]                                at /opt/rustwide/workdir/src/file/test.rs:11:19
[INFO] [stdout]   23:     0x55c18cd88f56 - core::ops::function::FnOnce::call_once::he29e51df3970bb99
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55c18cde03ff - core::ops::function::FnOnce::call_once::h8dc6907944022cf6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x55c18cde03ff - test::__rust_begin_short_backtrace::haae1a87433f1efb3
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:627:18
[INFO] [stdout]   26:     0x55c18cddf181 - test::run_test_in_process::{{closure}}::h8c7decfa7c14e152
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:650:60
[INFO] [stdout]   27:     0x55c18cddf181 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h19e6ff056d9d21e9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x55c18cddf181 - std::panicking::try::do_call::h89c848fcaa37c035
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   29:     0x55c18cddf181 - std::panicking::try::h57ab3dc74e2839b8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   30:     0x55c18cddf181 - std::panic::catch_unwind::hfb6a1b1abc120fb9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x55c18cddf181 - test::run_test_in_process::h5ae2f9875edd562d
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:650:27
[INFO] [stdout]   32:     0x55c18cddf181 - test::run_test::{{closure}}::h35d7300d8928a067
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:573:43
[INFO] [stdout]   33:     0x55c18cda64b6 - test::run_test::{{closure}}::h7525ced405d23d1b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:601:41
[INFO] [stdout]   34:     0x55c18cda64b6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h4e7db78ce05afad8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x55c18cdab517 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hcfbcb64f1a1b3482
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x55c18cdab517 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9d89c5c4108bd689
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x55c18cdab517 - std::panicking::try::do_call::h8a4869bc94ec50c9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   38:     0x55c18cdab517 - std::panicking::try::h9a576f20ff81ac30
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   39:     0x55c18cdab517 - std::panic::catch_unwind::hbcb4e3f860ef9830
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x55c18cdab517 - std::thread::Builder::spawn_unchecked_::{{closure}}::h93c79a6be1505948
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x55c18cdab517 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h426d96740c81bdaf
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55c18ce11315 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h12de4fc57affb195
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   43:     0x55c18ce11315 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3c619f45059d5cf1
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   44:     0x55c18ce11315 - std::sys::unix::thread::Thread::new::thread_start::hbac657605e4b7389
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7fa6995baac3 - <unknown>
[INFO] [stdout]   46:     0x7fa69964bbf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- log::test::tests::test_log stdout ----
[INFO] [stdout] thread 'log::test::tests::test_log' panicked at src/log/test.rs:14:58:
[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:     0x55c18ce09be6 - std::backtrace_rs::backtrace::libunwind::trace::hbee8a7973eeb6c93
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55c18ce09be6 - std::backtrace_rs::backtrace::trace_unsynchronized::hc8ac75eea3aa6899
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55c18ce09be6 - std::sys_common::backtrace::_print_fmt::hc7f3e3b5298b1083
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55c18ce09be6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hbb235daedd7c6190
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55c18ce335c0 - core::fmt::rt::Argument::fmt::h76c38a80d925a410
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55c18ce335c0 - core::fmt::write::h3ed6aeaa977c8e45
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55c18ce073df - std::io::Write::write_fmt::h1299aa7741865f2b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x55c18ce099c4 - std::sys_common::backtrace::_print::h5d645a07e0fcfdbb
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55c18ce099c4 - std::sys_common::backtrace::print::h85035a511aafe7a8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55c18ce0b737 - std::panicking::default_hook::{{closure}}::hcce8cea212785a25
[INFO] [stdout]   10:     0x55c18ce0b41d - std::panicking::default_hook::hf5fcb0f213fe709a
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x55c18cddab27 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h60265c2dfa87ee34
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x55c18cddab27 - test::test_main::{{closure}}::h77865bd3127078c6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x55c18ce0bd56 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbc5ccf4eb663e1e5
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x55c18ce0bd56 - std::panicking::rust_panic_with_hook::h095fccf1dc9379ee
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x55c18ce0baa2 - std::panicking::begin_panic_handler::{{closure}}::h032ba12139b353db
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x55c18ce0a0e6 - std::sys_common::backtrace::__rust_end_short_backtrace::h9259bc2ff8fd0f76
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55c18ce0b800 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x55c18cd800f5 - core::panicking::panic_fmt::h784f20a50eaab275
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55c18cd80693 - core::result::unwrap_failed::h03d8a5018196e1cd
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/result.rs:1649:5
[INFO] [stdout]   20:     0x55c18cd9bf8c - core::result::Result<T,E>::unwrap::hc718f40c1830e48f
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/result.rs:1073:23
[INFO] [stdout]   21:     0x55c18cda3283 - simple_db_rust::log::test::tests::test_log::hf31b0f35503229fe
[INFO] [stdout]                                at /opt/rustwide/workdir/src/log/test.rs:14:18
[INFO] [stdout]   22:     0x55c18cda3207 - simple_db_rust::log::test::tests::test_log::{{closure}}::h26bd0dfb20a10671
[INFO] [stdout]                                at /opt/rustwide/workdir/src/log/test.rs:13:18
[INFO] [stdout]   23:     0x55c18cd88f16 - core::ops::function::FnOnce::call_once::hdd52d8faacfe2662
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55c18cde03ff - core::ops::function::FnOnce::call_once::h8dc6907944022cf6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x55c18cde03ff - test::__rust_begin_short_backtrace::haae1a87433f1efb3
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:627:18
[INFO] [stdout]   26:     0x55c18cddf181 - test::run_test_in_process::{{closure}}::h8c7decfa7c14e152
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:650:60
[INFO] [stdout]   27:     0x55c18cddf181 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h19e6ff056d9d21e9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x55c18cddf181 - std::panicking::try::do_call::h89c848fcaa37c035
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   29:     0x55c18cddf181 - std::panicking::try::h57ab3dc74e2839b8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   30:     0x55c18cddf181 - std::panic::catch_unwind::hfb6a1b1abc120fb9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x55c18cddf181 - test::run_test_in_process::h5ae2f9875edd562d
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:650:27
[INFO] [stdout]   32:     0x55c18cddf181 - test::run_test::{{closure}}::h35d7300d8928a067
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:573:43
[INFO] [stdout]   33:     0x55c18cda64b6 - test::run_test::{{closure}}::h7525ced405d23d1b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:601:41
[INFO] [stdout]   34:     0x55c18cda64b6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h4e7db78ce05afad8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x55c18cdab517 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hcfbcb64f1a1b3482
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x55c18cdab517 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9d89c5c4108bd689
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x55c18cdab517 - std::panicking::try::do_call::h8a4869bc94ec50c9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   38:     0x55c18cdab517 - std::panicking::try::h9a576f20ff81ac30
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   39:     0x55c18cdab517 - std::panic::catch_unwind::hbcb4e3f860ef9830
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x55c18cdab517 - std::thread::Builder::spawn_unchecked_::{{closure}}::h93c79a6be1505948
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x55c18cdab517 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h426d96740c81bdaf
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55c18ce11315 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h12de4fc57affb195
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   43:     0x55c18ce11315 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3c619f45059d5cf1
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   44:     0x55c18ce11315 - std::sys::unix::thread::Thread::new::thread_start::hbac657605e4b7389
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7fa6995baac3 - <unknown>
[INFO] [stdout]   46:     0x7fa69964bbf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tx::test::tests::test_transaction stdout ----
[INFO] [stdout] thread 'tx::test::tests::test_transaction' panicked at src/tx/test.rs:13:62:
[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:     0x55c18ce09be6 - std::backtrace_rs::backtrace::libunwind::trace::hbee8a7973eeb6c93
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55c18ce09be6 - std::backtrace_rs::backtrace::trace_unsynchronized::hc8ac75eea3aa6899
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55c18ce09be6 - std::sys_common::backtrace::_print_fmt::hc7f3e3b5298b1083
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55c18ce09be6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hbb235daedd7c6190
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55c18ce335c0 - core::fmt::rt::Argument::fmt::h76c38a80d925a410
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55c18ce335c0 - core::fmt::write::h3ed6aeaa977c8e45
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55c18ce073df - std::io::Write::write_fmt::h1299aa7741865f2b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x55c18ce099c4 - std::sys_common::backtrace::_print::h5d645a07e0fcfdbb
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55c18ce099c4 - std::sys_common::backtrace::print::h85035a511aafe7a8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55c18ce0b737 - std::panicking::default_hook::{{closure}}::hcce8cea212785a25
[INFO] [stdout]   10:     0x55c18ce0b41d - std::panicking::default_hook::hf5fcb0f213fe709a
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x55c18cddab27 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h60265c2dfa87ee34
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x55c18cddab27 - test::test_main::{{closure}}::h77865bd3127078c6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x55c18ce0bd56 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbc5ccf4eb663e1e5
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x55c18ce0bd56 - std::panicking::rust_panic_with_hook::h095fccf1dc9379ee
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x55c18ce0baa2 - std::panicking::begin_panic_handler::{{closure}}::h032ba12139b353db
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x55c18ce0a0e6 - std::sys_common::backtrace::__rust_end_short_backtrace::h9259bc2ff8fd0f76
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55c18ce0b800 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x55c18cd800f5 - core::panicking::panic_fmt::h784f20a50eaab275
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55c18cd80693 - core::result::unwrap_failed::h03d8a5018196e1cd
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/result.rs:1649:5
[INFO] [stdout]   20:     0x55c18cd9bf8c - core::result::Result<T,E>::unwrap::hc718f40c1830e48f
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/result.rs:1073:23
[INFO] [stdout]   21:     0x55c18cd9d9c7 - simple_db_rust::tx::test::tests::test_transaction::hab5e81fff52bad24
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tx/test.rs:13:18
[INFO] [stdout]   22:     0x55c18cd9d917 - simple_db_rust::tx::test::tests::test_transaction::{{closure}}::hb0ce7250f1e2d470
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tx/test.rs:12:26
[INFO] [stdout]   23:     0x55c18cd88d96 - core::ops::function::FnOnce::call_once::h8a3d500013965188
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55c18cde03ff - core::ops::function::FnOnce::call_once::h8dc6907944022cf6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x55c18cde03ff - test::__rust_begin_short_backtrace::haae1a87433f1efb3
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:627:18
[INFO] [stdout]   26:     0x55c18cddf181 - test::run_test_in_process::{{closure}}::h8c7decfa7c14e152
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:650:60
[INFO] [stdout]   27:     0x55c18cddf181 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h19e6ff056d9d21e9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x55c18cddf181 - std::panicking::try::do_call::h89c848fcaa37c035
[INFO] [stderr] error: test failed, to rerun pass `--bin simple_db_rust`
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   29:     0x55c18cddf181 - std::panicking::try::h57ab3dc74e2839b8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   30:     0x55c18cddf181 - std::panic::catch_unwind::hfb6a1b1abc120fb9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x55c18cddf181 - test::run_test_in_process::h5ae2f9875edd562d
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:650:27
[INFO] [stdout]   32:     0x55c18cddf181 - test::run_test::{{closure}}::h35d7300d8928a067
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:573:43
[INFO] [stdout]   33:     0x55c18cda64b6 - test::run_test::{{closure}}::h7525ced405d23d1b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:601:41
[INFO] [stdout]   34:     0x55c18cda64b6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h4e7db78ce05afad8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x55c18cdab517 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hcfbcb64f1a1b3482
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x55c18cdab517 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9d89c5c4108bd689
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x55c18cdab517 - std::panicking::try::do_call::h8a4869bc94ec50c9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   38:     0x55c18cdab517 - std::panicking::try::h9a576f20ff81ac30
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   39:     0x55c18cdab517 - std::panic::catch_unwind::hbcb4e3f860ef9830
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x55c18cdab517 - std::thread::Builder::spawn_unchecked_::{{closure}}::h93c79a6be1505948
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x55c18cdab517 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h426d96740c81bdaf
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55c18ce11315 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h12de4fc57affb195
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   43:     0x55c18ce11315 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3c619f45059d5cf1
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   44:     0x55c18ce11315 - std::sys::unix::thread::Thread::new::thread_start::hbac657605e4b7389
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7fa6995baac3 - <unknown>
[INFO] [stdout]   46:     0x7fa69964bbf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     buffer::test::tests::buffer_manager_test::test_buffer_manager
[INFO] [stdout]     buffer::test::tests::buffer_test::test_buffer
[INFO] [stdout]     file::test::tests::test_file
[INFO] [stdout]     log::test::tests::test_log
[INFO] [stdout]     tx::test::tests::test_transaction
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 5 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f4cc5b83e33beb4e930a006a1957ee4047e65f82dcc5b24b5f78fe6e078d43f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4cc5b83e33beb4e930a006a1957ee4047e65f82dcc5b24b5f78fe6e078d43f8", kill_on_drop: false }`
[INFO] [stdout] f4cc5b83e33beb4e930a006a1957ee4047e65f82dcc5b24b5f78fe6e078d43f8
[INFO] testing kemkemG0/simple_db_rust against beta-2024-02-10 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FkemkemG0%2Fsimple_db_rust" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kemkemG0/simple_db_rust on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kemkemG0/simple_db_rust
[INFO] finished tweaking git repo https://github.com/kemkemG0/simple_db_rust
[INFO] tweaked toml for git repo https://github.com/kemkemG0/simple_db_rust written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kemkemG0/simple_db_rust 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" "+beta-2024-02-10" "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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fcc6f4cac9b0b86237873fa040cb45610f5d22cfe3b2638730422917e926c4c2
[INFO] running `Command { std: "docker" "start" "-a" "fcc6f4cac9b0b86237873fa040cb45610f5d22cfe3b2638730422917e926c4c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fcc6f4cac9b0b86237873fa040cb45610f5d22cfe3b2638730422917e926c4c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcc6f4cac9b0b86237873fa040cb45610f5d22cfe3b2638730422917e926c4c2", kill_on_drop: false }`
[INFO] [stdout] fcc6f4cac9b0b86237873fa040cb45610f5d22cfe3b2638730422917e926c4c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 738a1a70c42f62a7374c9fd11cb0601246f5541a6b804f54d8d742cbfd578944
[INFO] running `Command { std: "docker" "start" "-a" "738a1a70c42f62a7374c9fd11cb0601246f5541a6b804f54d8d742cbfd578944", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple_db_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `collections::hash_map::DefaultHasher`
[INFO] [stdout]  --> src/file/block_id.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     collections::hash_map::DefaultHasher,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TransactionError`
[INFO] [stdout]  --> src/tx/recovery/checkpoint_record.rs:1:43
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::tx::transaction::{Transaction, TransactionError};
[INFO] [stdout]   |                                           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TransactionError`
[INFO] [stdout]  --> src/tx/recovery/rollback_record.rs:3:36
[INFO] [stdout]   |
[INFO] [stdout] 3 |     tx::transaction::{Transaction, TransactionError},
[INFO] [stdout]   |                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TransactionError`
[INFO] [stdout]  --> src/tx/recovery/setint_record.rs:3:36
[INFO] [stdout]   |
[INFO] [stdout] 3 |     tx::transaction::{Transaction, TransactionError},
[INFO] [stdout]   |                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::log`
[INFO] [stdout]  --> src/tx/recovery/setstring_record.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::log;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TransactionError`
[INFO] [stdout]   --> src/tx/recovery/setstring_record.rs:11:36
[INFO] [stdout]    |
[INFO] [stdout] 11 |     tx::transaction::{Transaction, TransactionError},
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TransactionError`
[INFO] [stdout]  --> src/tx/recovery/start_record.rs:3:36
[INFO] [stdout]   |
[INFO] [stdout] 3 |     tx::transaction::{Transaction, TransactionError},
[INFO] [stdout]   |                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]   --> src/tx/recovery/checkpoint_record.rs:21:20
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn undo(&self, tx: &mut Transaction) {
[INFO] [stdout]    |                    ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `page`
[INFO] [stdout]  --> src/tx/recovery/commit_record.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn new(page: Page) -> Self {
[INFO] [stdout]   |                ^^^^ help: if this is intentional, prefix it with an underscore: `_page`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]   --> src/tx/recovery/commit_record.rs:21:20
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn undo(&self, tx: &mut Transaction) {
[INFO] [stdout]    |                    ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `page`
[INFO] [stdout]   --> src/tx/recovery/rollback_record.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new(page: Page) -> Self {
[INFO] [stdout]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_page`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]   --> src/tx/recovery/rollback_record.rs:24:20
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn undo(&self, tx: &mut Transaction) {
[INFO] [stdout]    |                    ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `page`
[INFO] [stdout]   --> src/tx/recovery/setint_record.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new(page: Page) -> Self {
[INFO] [stdout]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_page`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]   --> src/tx/recovery/setint_record.rs:24:20
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn undo(&self, tx: &mut Transaction) {
[INFO] [stdout]    |                    ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `page`
[INFO] [stdout]   --> src/tx/recovery/start_record.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new(page: Page) -> Self {
[INFO] [stdout]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_page`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]   --> src/tx/recovery/start_record.rs:24:20
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn undo(&self, tx: &mut Transaction) {
[INFO] [stdout]    |                    ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block_id`
[INFO] [stdout]   --> src/tx/transaction.rs:49:27
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn pin(&mut self, block_id: &BlockId) {}
[INFO] [stdout]    |                           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block_id`
[INFO] [stdout]   --> src/tx/transaction.rs:50:29
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn unpin(&mut self, block_id: &BlockId) {}
[INFO] [stdout]    |                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block_id`
[INFO] [stdout]   --> src/tx/transaction.rs:52:27
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn get_int(&self, block_id: &BlockId, offset: usize) -> u32 {
[INFO] [stdout]    |                           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]   --> src/tx/transaction.rs:52:47
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn get_int(&self, block_id: &BlockId, offset: usize) -> u32 {
[INFO] [stdout]    |                                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block_id`
[INFO] [stdout]   --> src/tx/transaction.rs:55:30
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn get_string(&self, block_id: &BlockId, offset: usize) -> &str {
[INFO] [stdout]    |                              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]   --> src/tx/transaction.rs:55:50
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn get_string(&self, block_id: &BlockId, offset: usize) -> &str {
[INFO] [stdout]    |                                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block_id`
[INFO] [stdout]   --> src/tx/transaction.rs:58:31
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn set_int(&mut self, block_id: &BlockId, offset: usize, val: u32, ok_to_log: bool) {}
[INFO] [stdout]    |                               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]   --> src/tx/transaction.rs:58:51
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn set_int(&mut self, block_id: &BlockId, offset: usize, val: u32, ok_to_log: bool) {}
[INFO] [stdout]    |                                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/tx/transaction.rs:58:66
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn set_int(&mut self, block_id: &BlockId, offset: usize, val: u32, ok_to_log: bool) {}
[INFO] [stdout]    |                                                                  ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ok_to_log`
[INFO] [stdout]   --> src/tx/transaction.rs:58:76
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn set_int(&mut self, block_id: &BlockId, offset: usize, val: u32, ok_to_log: bool) {}
[INFO] [stdout]    |                                                                            ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ok_to_log`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block_id`
[INFO] [stdout]   --> src/tx/transaction.rs:60:34
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn set_string(&mut self, block_id: &BlockId, offset: usize, val: &str, ok_to_log: bool) {}
[INFO] [stdout]    |                                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]   --> src/tx/transaction.rs:60:54
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn set_string(&mut self, block_id: &BlockId, offset: usize, val: &str, ok_to_log: bool) {}
[INFO] [stdout]    |                                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/tx/transaction.rs:60:69
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn set_string(&mut self, block_id: &BlockId, offset: usize, val: &str, ok_to_log: bool) {}
[INFO] [stdout]    |                                                                     ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ok_to_log`
[INFO] [stdout]   --> src/tx/transaction.rs:60:80
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn set_string(&mut self, block_id: &BlockId, offset: usize, val: &str, ok_to_log: bool) {}
[INFO] [stdout]    |                                                                                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ok_to_log`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_name`
[INFO] [stdout]   --> src/tx/transaction.rs:66:24
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn size(&self, file_name: &str) -> usize {
[INFO] [stdout]    |                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_name`
[INFO] [stdout]   --> src/tx/transaction.rs:69:30
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn append(&mut self, file_name: &str) -> BlockId {
[INFO] [stdout]    |                              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SimpleDB` is never constructed
[INFO] [stdout]   --> src/app/simple_db.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct SimpleDB {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `file_manager`, `log_manager`, and `buffer_manager` are never used
[INFO] [stdout]   --> src/app/simple_db.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl SimpleDB {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] 18 |     pub fn new(db_dir: &str, block_size: usize, buffer_size: u16) -> Result<Self, Error> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn file_manager(&self) -> Arc<FileManager> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn log_manager(&self) -> Arc<Mutex<LogManager>> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn buffer_manager(&self) -> Arc<Mutex<BufferManager>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/buffer/buffer.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Buffer {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 11 |     file_manager: Arc<FileManager>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 12 |     log_manager: Arc<Mutex<LogManager>>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 13 |     contents: Page,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 14 |     block_id: Option<BlockId>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 15 |     pins: u32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 16 |     tx_num: Option<u32>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 17 |     lsn: Option<u32>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/buffer/buffer.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl Buffer {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 21 |     pub fn new(file_manager: Arc<FileManager>, log_manager: Arc<Mutex<LogManager>>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn contents(&mut self) -> &mut Page {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn block(&self) -> Option<&BlockId> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn is_pinned(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn set_modified(&mut self, txnum: u32, lsn: u32) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub fn modifing_tx_num(&self) -> Option<u32> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn pin(&mut self) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     pub fn unpin(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |     pub fn assign_to_block(&mut self, block_id: BlockId) -> Result<(), Error> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |     pub fn flush(&mut self) -> Result<(), Error> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `General` is never constructed
[INFO] [stdout]   --> src/buffer/buffer_manager.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub enum BufferAbortError {
[INFO] [stdout]    |          ---------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 18 |     General,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BufferAbortError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `buffer_pool`, `num_available`, and `max_time` are never read
[INFO] [stdout]   --> src/buffer/buffer_manager.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct BufferManager {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] 34 |     buffer_pool: Vec<Buffer>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 35 |     num_available: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 36 |     max_time: u128,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/buffer/buffer_manager.rs:40:11
[INFO] [stdout]     |
[INFO] [stdout] 39  | impl BufferManager {
[INFO] [stdout]     | ------------------ associated items in this implementation
[INFO] [stdout] 40  |     const MAX_TIME: u128 = 10 * 1000; // 10 seconds
[INFO] [stdout]     |           ^^^^^^^^
[INFO] [stdout] 41  |     pub fn new(
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 57  |     pub fn available(&self) -> u16 {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61  |     pub fn flush_all(&mut self, txnum: u32) -> Result<(), Error> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72  |     pub fn unpin(&mut self, idx: usize) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 81  |     pub fn pin(&mut self, blk: &BlockId) -> Result<usize, BufferAbortError> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 95  |     pub fn try_to_pin(&mut self, blk: &BlockId) -> Result<Option<usize>, Error> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |     pub fn find_existing_buffer(&mut self, blk: &BlockId) -> Option<usize> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 125 |     pub fn choose_unpinned_buffer(&mut self) -> Option<usize> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 134 |     pub fn waiting_too_long(&self, start_time: u128) -> Result<bool, SystemTimeError> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 138 |     pub fn get_buffer(&mut self, idx: usize) -> &mut Buffer {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 142 |     pub fn set_max_time(&mut self, max_time_m_sec: u128) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `now_mill_sec` is never used
[INFO] [stdout]    --> src/buffer/buffer_manager.rs:147:4
[INFO] [stdout]     |
[INFO] [stdout] 147 | fn now_mill_sec() -> Result<u128, SystemTimeError> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_null` is never used
[INFO] [stdout]   --> src/file/block_id.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl BlockId {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn is_null(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `is_new` is never read
[INFO] [stdout]   --> src/file/file_manager.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct FileManager {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     is_new: bool,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `write`, `append`, `is_new`, and `length` are never used
[INFO] [stdout]   --> src/file/file_manager.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl FileManager {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] 19 |     pub fn new(db_directory: path::PathBuf, block_size: usize) -> Result<Self, Error> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub fn write(&self, blk: &BlockId, page: &mut Page) -> Result<(), Error> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub fn append(&self, filename: &str) -> Result<BlockId, Error> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 87 |     pub fn is_new(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90 |     pub fn length(&self, file_name: &str) -> Result<u64, Error> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/file/page.rs:9:12
[INFO] [stdout]    |
[INFO] [stdout] 7  | impl Page {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 8  |     // A constructor for creating data buffers
[INFO] [stdout] 9  |     pub fn new(block_size: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn from_bytes(b: &[u8]) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn set_int(&mut self, offset: usize, n: u32) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn get_string(&self, offset: usize) -> Result<String, FromUtf8Error> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn set_bytes(&mut self, offset: usize, b: &[u8]) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn set_string(&mut self, offset: usize, s: &str) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn max_length(strlen: usize) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     pub fn contents(&self) -> &[u8] {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/log/log_iterator.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl LogIterator {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 17 |     pub fn new(file_manager: Arc<FileManager>, current_block: &BlockId) -> Result<Self, Error> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `file_manager`, `log_file`, `log_page`, `current_block`, `latest_lsn`, and `latest_saved_lsn` are never read
[INFO] [stdout]   --> src/log/log_manager.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct LogManager {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 8  |     file_manager: Arc<FileManager>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 9  |     log_file: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 10 |     log_page: Page,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 11 |     current_block: BlockId,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 12 |     // lsn: log sequence number
[INFO] [stdout] 13 |     latest_lsn: u32,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 14 |     latest_saved_lsn: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `flush`, `iterator`, `append`, `get_last_saved_lsn`, and `append_new_block` are never used
[INFO] [stdout]   --> src/log/log_manager.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl LogManager {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 18 |     pub fn new(file_manager: Arc<FileManager>, log_file: &str) -> Result<Self, Error> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn flush(&mut self, lsn: u32) -> Result<(), Error> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn iterator(&mut self) -> Result<LogIterator, Error> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub fn append(&mut self, log_record: &Vec<u8>) -> Result<u32, Error> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 88 |     pub fn get_last_saved_lsn(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 92 |     fn append_new_block(&mut self) -> Result<BlockId, Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ConcurrencyManager` is never constructed
[INFO] [stdout]  --> src/tx/concurrency/concurrency_manager.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct ConcurrencyManager {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/tx/concurrency/concurrency_manager.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl ConcurrencyManager {
[INFO] [stdout]    | ----------------------- associated function in this implementation
[INFO] [stdout] 11 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `General` is never constructed
[INFO] [stdout]   --> src/tx/concurrency/lock_table.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub enum LockAbortError {
[INFO] [stdout]    |          -------------- variant in this enum
[INFO] [stdout] 10 |     SystemTimeError(SystemTimeError),
[INFO] [stdout] 11 |     General,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LockTable` is never constructed
[INFO] [stdout]   --> src/tx/concurrency/lock_table.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct LockTable {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/tx/concurrency/lock_table.rs:26:11
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl LockTable {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 26 |     const MAX_TIME: u128 = 10 * 1000;
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout] 27 |
[INFO] [stdout] 28 |     pub fn new() -> LockTable {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn s_lock(&mut self, blk: &BlockId) -> Result<(), LockAbortError> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn x_lock(&mut self, blk: &BlockId) -> Result<(), LockAbortError> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn unlock(&mut self, blk: &BlockId) -> Result<(), SystemTimeError> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |     pub fn has_x_lock(&self, blk: &BlockId) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75 |     pub fn has_other_s_lock(&self, blk: &BlockId) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |     pub fn waiting_too_long(&self, time_stamp: u128) -> Result<bool, SystemTimeError> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 83 |     pub fn get_lock_value(&self, blk: &BlockId) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `now_mill_sec` is never used
[INFO] [stdout]   --> src/tx/concurrency/lock_table.rs:91:4
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn now_mill_sec() -> Result<u128, SystemTimeError> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/tx/recovery/checkpoint_record.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl CheckPointRecord {
[INFO] [stdout]   | --------------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn new() -> Self {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/tx/recovery/commit_record.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl CommitRecord {
[INFO] [stdout]   | ----------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn new(page: Page) -> Self {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_log_record` is never used
[INFO] [stdout]   --> src/tx/recovery/log_record.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub fn create_log_record(rec: Vec<u8>) -> Result<Box<dyn LogRecord>, TransactionError> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RecoveryManager` is never constructed
[INFO] [stdout]  --> src/tx/recovery/recovery_manager.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct RecoveryManager {}
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/tx/recovery/rollback_record.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl RollbackRecord {
[INFO] [stdout]    | ------------------- associated function in this implementation
[INFO] [stdout] 10 |     pub fn new(page: Page) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/tx/recovery/setint_record.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl SetIntRecord {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 10 |     pub fn new(page: Page) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `write_to_log` are never used
[INFO] [stdout]   --> src/tx/recovery/setstring_record.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl SetStringRecord {
[INFO] [stdout]    | -------------------- associated functions in this implementation
[INFO] [stdout] 23 |     pub fn new(page: Page) -> Result<Self, FromUtf8Error> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     fn write_to_log(
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/tx/recovery/start_record.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl StartRecord {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 10 |     pub fn new(page: Page) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `file_manager`, `log_manager`, and `buffer_manager` are never read
[INFO] [stdout]   --> src/tx/transaction.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Transaction {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 13 |     file_manager: Arc<FileManager>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 14 |     log_manager: Arc<Mutex<LogManager>>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 15 |     buffer_manager: Arc<Mutex<BufferManager>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `General` is never constructed
[INFO] [stdout]   --> src/tx/transaction.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub enum TransactionError {
[INFO] [stdout]    |          ---------------- variant in this enum
[INFO] [stdout] 19 |     FromUtf8Error(FromUtf8Error),
[INFO] [stdout] 20 |     General,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/tx/transaction.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl Transaction {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] 33 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub fn commit(&mut self) {}
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 46 |     pub fn rollback(&mut self) {}
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 47 |     pub fn recover(&mut self) {}
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn get_int(&self, block_id: &BlockId, offset: usize) -> u32 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn get_string(&self, block_id: &BlockId, offset: usize) -> &str {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn set_int(&mut self, block_id: &BlockId, offset: usize, val: u32, ok_to_log: bool) {}
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     pub fn available_buffers(&self) -> u16 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub fn size(&self, file_name: &str) -> usize {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     pub fn append(&mut self, file_name: &str) -> BlockId {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     pub fn block_size(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 64 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "738a1a70c42f62a7374c9fd11cb0601246f5541a6b804f54d8d742cbfd578944", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "738a1a70c42f62a7374c9fd11cb0601246f5541a6b804f54d8d742cbfd578944", kill_on_drop: false }`
[INFO] [stdout] 738a1a70c42f62a7374c9fd11cb0601246f5541a6b804f54d8d742cbfd578944
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72a27a7d777cbb315fd90ff9bd66381e5e3c2f7976f174974e818704b4402304
[INFO] running `Command { std: "docker" "start" "-a" "72a27a7d777cbb315fd90ff9bd66381e5e3c2f7976f174974e818704b4402304", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple_db_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `collections::hash_map::DefaultHasher`
[INFO] [stdout]  --> src/file/block_id.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     collections::hash_map::DefaultHasher,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TransactionError`
[INFO] [stdout]  --> src/tx/recovery/checkpoint_record.rs:1:43
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::tx::transaction::{Transaction, TransactionError};
[INFO] [stdout]   |                                           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TransactionError`
[INFO] [stdout]  --> src/tx/recovery/rollback_record.rs:3:36
[INFO] [stdout]   |
[INFO] [stdout] 3 |     tx::transaction::{Transaction, TransactionError},
[INFO] [stdout]   |                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TransactionError`
[INFO] [stdout]  --> src/tx/recovery/setint_record.rs:3:36
[INFO] [stdout]   |
[INFO] [stdout] 3 |     tx::transaction::{Transaction, TransactionError},
[INFO] [stdout]   |                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::log`
[INFO] [stdout]  --> src/tx/recovery/setstring_record.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::log;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TransactionError`
[INFO] [stdout]   --> src/tx/recovery/setstring_record.rs:11:36
[INFO] [stdout]    |
[INFO] [stdout] 11 |     tx::transaction::{Transaction, TransactionError},
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TransactionError`
[INFO] [stdout]  --> src/tx/recovery/start_record.rs:3:36
[INFO] [stdout]   |
[INFO] [stdout] 3 |     tx::transaction::{Transaction, TransactionError},
[INFO] [stdout]   |                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`, `iter::zip`, `mem::size_of`
[INFO] [stdout]  --> src/tx/test.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |         iter::zip,
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout] 6 |         mem::size_of,
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout] 7 |         sync::{Arc, Mutex},
[INFO] [stdout]   |                ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]   --> src/tx/recovery/checkpoint_record.rs:21:20
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn undo(&self, tx: &mut Transaction) {
[INFO] [stdout]    |                    ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `page`
[INFO] [stdout]  --> src/tx/recovery/commit_record.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn new(page: Page) -> Self {
[INFO] [stdout]   |                ^^^^ help: if this is intentional, prefix it with an underscore: `_page`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]   --> src/tx/recovery/commit_record.rs:21:20
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn undo(&self, tx: &mut Transaction) {
[INFO] [stdout]    |                    ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `page`
[INFO] [stdout]   --> src/tx/recovery/rollback_record.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new(page: Page) -> Self {
[INFO] [stdout]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_page`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]   --> src/tx/recovery/rollback_record.rs:24:20
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn undo(&self, tx: &mut Transaction) {
[INFO] [stdout]    |                    ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `page`
[INFO] [stdout]   --> src/tx/recovery/setint_record.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new(page: Page) -> Self {
[INFO] [stdout]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_page`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]   --> src/tx/recovery/setint_record.rs:24:20
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn undo(&self, tx: &mut Transaction) {
[INFO] [stdout]    |                    ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `page`
[INFO] [stdout]   --> src/tx/recovery/start_record.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new(page: Page) -> Self {
[INFO] [stdout]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_page`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]   --> src/tx/recovery/start_record.rs:24:20
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn undo(&self, tx: &mut Transaction) {
[INFO] [stdout]    |                    ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block_id`
[INFO] [stdout]   --> src/tx/transaction.rs:49:27
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn pin(&mut self, block_id: &BlockId) {}
[INFO] [stdout]    |                           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block_id`
[INFO] [stdout]   --> src/tx/transaction.rs:50:29
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn unpin(&mut self, block_id: &BlockId) {}
[INFO] [stdout]    |                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block_id`
[INFO] [stdout]   --> src/tx/transaction.rs:52:27
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn get_int(&self, block_id: &BlockId, offset: usize) -> u32 {
[INFO] [stdout]    |                           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]   --> src/tx/transaction.rs:52:47
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn get_int(&self, block_id: &BlockId, offset: usize) -> u32 {
[INFO] [stdout]    |                                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block_id`
[INFO] [stdout]   --> src/tx/transaction.rs:55:30
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn get_string(&self, block_id: &BlockId, offset: usize) -> &str {
[INFO] [stdout]    |                              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]   --> src/tx/transaction.rs:55:50
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn get_string(&self, block_id: &BlockId, offset: usize) -> &str {
[INFO] [stdout]    |                                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block_id`
[INFO] [stdout]   --> src/tx/transaction.rs:58:31
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn set_int(&mut self, block_id: &BlockId, offset: usize, val: u32, ok_to_log: bool) {}
[INFO] [stdout]    |                               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]   --> src/tx/transaction.rs:58:51
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn set_int(&mut self, block_id: &BlockId, offset: usize, val: u32, ok_to_log: bool) {}
[INFO] [stdout]    |                                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/tx/transaction.rs:58:66
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn set_int(&mut self, block_id: &BlockId, offset: usize, val: u32, ok_to_log: bool) {}
[INFO] [stdout]    |                                                                  ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ok_to_log`
[INFO] [stdout]   --> src/tx/transaction.rs:58:76
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn set_int(&mut self, block_id: &BlockId, offset: usize, val: u32, ok_to_log: bool) {}
[INFO] [stdout]    |                                                                            ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ok_to_log`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block_id`
[INFO] [stdout]   --> src/tx/transaction.rs:60:34
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn set_string(&mut self, block_id: &BlockId, offset: usize, val: &str, ok_to_log: bool) {}
[INFO] [stdout]    |                                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]   --> src/tx/transaction.rs:60:54
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn set_string(&mut self, block_id: &BlockId, offset: usize, val: &str, ok_to_log: bool) {}
[INFO] [stdout]    |                                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/tx/transaction.rs:60:69
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn set_string(&mut self, block_id: &BlockId, offset: usize, val: &str, ok_to_log: bool) {}
[INFO] [stdout]    |                                                                     ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ok_to_log`
[INFO] [stdout]   --> src/tx/transaction.rs:60:80
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn set_string(&mut self, block_id: &BlockId, offset: usize, val: &str, ok_to_log: bool) {}
[INFO] [stdout]    |                                                                                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ok_to_log`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_name`
[INFO] [stdout]   --> src/tx/transaction.rs:66:24
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn size(&self, file_name: &str) -> usize {
[INFO] [stdout]    |                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_name`
[INFO] [stdout]   --> src/tx/transaction.rs:69:30
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn append(&mut self, file_name: &str) -> BlockId {
[INFO] [stdout]    |                              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `flush_all` is never used
[INFO] [stdout]   --> src/buffer/buffer_manager.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl BufferManager {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 61 |     pub fn flush_all(&mut self, txnum: u32) -> Result<(), Error> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_null` is never used
[INFO] [stdout]   --> src/file/block_id.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl BlockId {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn is_null(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `is_new` is never read
[INFO] [stdout]   --> src/file/file_manager.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct FileManager {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     is_new: bool,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_new` is never used
[INFO] [stdout]   --> src/file/file_manager.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl FileManager {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 87 |     pub fn is_new(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_last_saved_lsn` is never used
[INFO] [stdout]   --> src/log/log_manager.rs:88:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl LogManager {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 88 |     pub fn get_last_saved_lsn(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ConcurrencyManager` is never constructed
[INFO] [stdout]  --> src/tx/concurrency/concurrency_manager.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct ConcurrencyManager {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/tx/concurrency/concurrency_manager.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl ConcurrencyManager {
[INFO] [stdout]    | ----------------------- associated function in this implementation
[INFO] [stdout] 11 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `General` is never constructed
[INFO] [stdout]   --> src/tx/concurrency/lock_table.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub enum LockAbortError {
[INFO] [stdout]    |          -------------- variant in this enum
[INFO] [stdout] 10 |     SystemTimeError(SystemTimeError),
[INFO] [stdout] 11 |     General,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LockTable` is never constructed
[INFO] [stdout]   --> src/tx/concurrency/lock_table.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct LockTable {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/tx/concurrency/lock_table.rs:26:11
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl LockTable {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 26 |     const MAX_TIME: u128 = 10 * 1000;
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout] 27 |
[INFO] [stdout] 28 |     pub fn new() -> LockTable {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn s_lock(&mut self, blk: &BlockId) -> Result<(), LockAbortError> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn x_lock(&mut self, blk: &BlockId) -> Result<(), LockAbortError> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn unlock(&mut self, blk: &BlockId) -> Result<(), SystemTimeError> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |     pub fn has_x_lock(&self, blk: &BlockId) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75 |     pub fn has_other_s_lock(&self, blk: &BlockId) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |     pub fn waiting_too_long(&self, time_stamp: u128) -> Result<bool, SystemTimeError> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 83 |     pub fn get_lock_value(&self, blk: &BlockId) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `now_mill_sec` is never used
[INFO] [stdout]   --> src/tx/concurrency/lock_table.rs:91:4
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn now_mill_sec() -> Result<u128, SystemTimeError> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/tx/recovery/checkpoint_record.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl CheckPointRecord {
[INFO] [stdout]   | --------------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn new() -> Self {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/tx/recovery/commit_record.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl CommitRecord {
[INFO] [stdout]   | ----------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn new(page: Page) -> Self {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_log_record` is never used
[INFO] [stdout]   --> src/tx/recovery/log_record.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub fn create_log_record(rec: Vec<u8>) -> Result<Box<dyn LogRecord>, TransactionError> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RecoveryManager` is never constructed
[INFO] [stdout]  --> src/tx/recovery/recovery_manager.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct RecoveryManager {}
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/tx/recovery/rollback_record.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl RollbackRecord {
[INFO] [stdout]    | ------------------- associated function in this implementation
[INFO] [stdout] 10 |     pub fn new(page: Page) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/tx/recovery/setint_record.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl SetIntRecord {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 10 |     pub fn new(page: Page) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `write_to_log` are never used
[INFO] [stdout]   --> src/tx/recovery/setstring_record.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl SetStringRecord {
[INFO] [stdout]    | -------------------- associated functions in this implementation
[INFO] [stdout] 23 |     pub fn new(page: Page) -> Result<Self, FromUtf8Error> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     fn write_to_log(
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/tx/recovery/start_record.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl StartRecord {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 10 |     pub fn new(page: Page) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `file_manager`, `log_manager`, and `buffer_manager` are never read
[INFO] [stdout]   --> src/tx/transaction.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Transaction {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 13 |     file_manager: Arc<FileManager>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 14 |     log_manager: Arc<Mutex<LogManager>>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 15 |     buffer_manager: Arc<Mutex<BufferManager>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `General` is never constructed
[INFO] [stdout]   --> src/tx/transaction.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub enum TransactionError {
[INFO] [stdout]    |          ---------------- variant in this enum
[INFO] [stdout] 19 |     FromUtf8Error(FromUtf8Error),
[INFO] [stdout] 20 |     General,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `recover`, `available_buffers`, `size`, `append`, and `block_size` are never used
[INFO] [stdout]   --> src/tx/transaction.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl Transaction {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn recover(&mut self) {}
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     pub fn available_buffers(&self) -> u16 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub fn size(&self, file_name: &str) -> usize {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     pub fn append(&mut self, file_name: &str) -> BlockId {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     pub fn block_size(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 55 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "72a27a7d777cbb315fd90ff9bd66381e5e3c2f7976f174974e818704b4402304", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72a27a7d777cbb315fd90ff9bd66381e5e3c2f7976f174974e818704b4402304", kill_on_drop: false }`
[INFO] [stdout] 72a27a7d777cbb315fd90ff9bd66381e5e3c2f7976f174974e818704b4402304
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a4b84dbec375521b87d2d478513182680a91d6838c99adce31d9e25dda22cec0
[INFO] running `Command { std: "docker" "start" "-a" "a4b84dbec375521b87d2d478513182680a91d6838c99adce31d9e25dda22cec0", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `collections::hash_map::DefaultHasher`
[INFO] [stderr]  --> src/file/block_id.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     collections::hash_map::DefaultHasher,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TransactionError`
[INFO] [stderr]  --> src/tx/recovery/checkpoint_record.rs:1:43
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::tx::transaction::{Transaction, TransactionError};
[INFO] [stderr]   |                                           ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TransactionError`
[INFO] [stderr]  --> src/tx/recovery/rollback_record.rs:3:36
[INFO] [stderr]   |
[INFO] [stderr] 3 |     tx::transaction::{Transaction, TransactionError},
[INFO] [stderr]   |                                    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TransactionError`
[INFO] [stderr]  --> src/tx/recovery/setint_record.rs:3:36
[INFO] [stderr]   |
[INFO] [stderr] 3 |     tx::transaction::{Transaction, TransactionError},
[INFO] [stderr]   |                                    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::log`
[INFO] [stderr]  --> src/tx/recovery/setstring_record.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use crate::log;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TransactionError`
[INFO] [stderr]   --> src/tx/recovery/setstring_record.rs:11:36
[INFO] [stderr]    |
[INFO] [stderr] 11 |     tx::transaction::{Transaction, TransactionError},
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TransactionError`
[INFO] [stderr]  --> src/tx/recovery/start_record.rs:3:36
[INFO] [stderr]   |
[INFO] [stderr] 3 |     tx::transaction::{Transaction, TransactionError},
[INFO] [stderr]   |                                    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Arc`, `Mutex`, `iter::zip`, `mem::size_of`
[INFO] [stderr]  --> src/tx/test.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |         iter::zip,
[INFO] [stderr]   |         ^^^^^^^^^
[INFO] [stderr] 6 |         mem::size_of,
[INFO] [stderr]   |         ^^^^^^^^^^^^
[INFO] [stderr] 7 |         sync::{Arc, Mutex},
[INFO] [stderr]   |                ^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tx`
[INFO] [stderr]   --> src/tx/recovery/checkpoint_record.rs:21:20
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn undo(&self, tx: &mut Transaction) {
[INFO] [stderr]    |                    ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `page`
[INFO] [stderr]  --> src/tx/recovery/commit_record.rs:7:16
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub fn new(page: Page) -> Self {
[INFO] [stderr]   |                ^^^^ help: if this is intentional, prefix it with an underscore: `_page`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tx`
[INFO] [stderr]   --> src/tx/recovery/commit_record.rs:21:20
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn undo(&self, tx: &mut Transaction) {
[INFO] [stderr]    |                    ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `page`
[INFO] [stderr]   --> src/tx/recovery/rollback_record.rs:10:16
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn new(page: Page) -> Self {
[INFO] [stderr]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_page`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tx`
[INFO] [stderr]   --> src/tx/recovery/rollback_record.rs:24:20
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn undo(&self, tx: &mut Transaction) {
[INFO] [stderr]    |                    ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `page`
[INFO] [stderr]   --> src/tx/recovery/setint_record.rs:10:16
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn new(page: Page) -> Self {
[INFO] [stderr]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_page`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tx`
[INFO] [stderr]   --> src/tx/recovery/setint_record.rs:24:20
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn undo(&self, tx: &mut Transaction) {
[INFO] [stderr]    |                    ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `page`
[INFO] [stderr]   --> src/tx/recovery/start_record.rs:10:16
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn new(page: Page) -> Self {
[INFO] [stderr]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_page`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tx`
[INFO] [stderr]   --> src/tx/recovery/start_record.rs:24:20
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn undo(&self, tx: &mut Transaction) {
[INFO] [stderr]    |                    ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `block_id`
[INFO] [stderr]   --> src/tx/transaction.rs:49:27
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn pin(&mut self, block_id: &BlockId) {}
[INFO] [stderr]    |                           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `block_id`
[INFO] [stderr]   --> src/tx/transaction.rs:50:29
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn unpin(&mut self, block_id: &BlockId) {}
[INFO] [stderr]    |                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `block_id`
[INFO] [stderr]   --> src/tx/transaction.rs:52:27
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn get_int(&self, block_id: &BlockId, offset: usize) -> u32 {
[INFO] [stderr]    |                           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `offset`
[INFO] [stderr]   --> src/tx/transaction.rs:52:47
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn get_int(&self, block_id: &BlockId, offset: usize) -> u32 {
[INFO] [stderr]    |                                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `block_id`
[INFO] [stderr]   --> src/tx/transaction.rs:55:30
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn get_string(&self, block_id: &BlockId, offset: usize) -> &str {
[INFO] [stderr]    |                              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `offset`
[INFO] [stderr]   --> src/tx/transaction.rs:55:50
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn get_string(&self, block_id: &BlockId, offset: usize) -> &str {
[INFO] [stderr]    |                                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `block_id`
[INFO] [stderr]   --> src/tx/transaction.rs:58:31
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn set_int(&mut self, block_id: &BlockId, offset: usize, val: u32, ok_to_log: bool) {}
[INFO] [stderr]    |                               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `offset`
[INFO] [stderr]   --> src/tx/transaction.rs:58:51
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn set_int(&mut self, block_id: &BlockId, offset: usize, val: u32, ok_to_log: bool) {}
[INFO] [stderr]    |                                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `val`
[INFO] [stderr]   --> src/tx/transaction.rs:58:66
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn set_int(&mut self, block_id: &BlockId, offset: usize, val: u32, ok_to_log: bool) {}
[INFO] [stderr]    |                                                                  ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ok_to_log`
[INFO] [stderr]   --> src/tx/transaction.rs:58:76
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn set_int(&mut self, block_id: &BlockId, offset: usize, val: u32, ok_to_log: bool) {}
[INFO] [stderr]    |                                                                            ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ok_to_log`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `block_id`
[INFO] [stderr]   --> src/tx/transaction.rs:60:34
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub fn set_string(&mut self, block_id: &BlockId, offset: usize, val: &str, ok_to_log: bool) {}
[INFO] [stderr]    |                                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `offset`
[INFO] [stderr]   --> src/tx/transaction.rs:60:54
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub fn set_string(&mut self, block_id: &BlockId, offset: usize, val: &str, ok_to_log: bool) {}
[INFO] [stderr]    |                                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `val`
[INFO] [stderr]   --> src/tx/transaction.rs:60:69
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub fn set_string(&mut self, block_id: &BlockId, offset: usize, val: &str, ok_to_log: bool) {}
[INFO] [stderr]    |                                                                     ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ok_to_log`
[INFO] [stderr]   --> src/tx/transaction.rs:60:80
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub fn set_string(&mut self, block_id: &BlockId, offset: usize, val: &str, ok_to_log: bool) {}
[INFO] [stderr]    |                                                                                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ok_to_log`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file_name`
[INFO] [stderr]   --> src/tx/transaction.rs:66:24
[INFO] [stderr]    |
[INFO] [stderr] 66 |     pub fn size(&self, file_name: &str) -> usize {
[INFO] [stderr]    |                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file_name`
[INFO] [stderr]   --> src/tx/transaction.rs:69:30
[INFO] [stderr]    |
[INFO] [stderr] 69 |     pub fn append(&mut self, file_name: &str) -> BlockId {
[INFO] [stderr]    |                              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stderr] 
[INFO] [stderr] warning: method `flush_all` is never used
[INFO] [stderr]   --> src/buffer/buffer_manager.rs:61:12
[INFO] [stderr]    |
[INFO] [stderr] 39 | impl BufferManager {
[INFO] [stderr]    | ------------------ method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 61 |     pub fn flush_all(&mut self, txnum: u32) -> Result<(), Error> {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `is_null` is never used
[INFO] [stderr]   --> src/file/block_id.rs:30:12
[INFO] [stderr]    |
[INFO] [stderr] 14 | impl BlockId {
[INFO] [stderr]    | ------------ method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 30 |     pub fn is_null(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `is_new` is never read
[INFO] [stderr]   --> src/file/file_manager.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub struct FileManager {
[INFO] [stderr]    |            ----------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 14 |     is_new: bool,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `is_new` is never used
[INFO] [stderr]   --> src/file/file_manager.rs:87:12
[INFO] [stderr]    |
[INFO] [stderr] 18 | impl FileManager {
[INFO] [stderr]    | ---------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 87 |     pub fn is_new(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `get_last_saved_lsn` is never used
[INFO] [stderr]   --> src/log/log_manager.rs:88:12
[INFO] [stderr]    |
[INFO] [stderr] 17 | impl LogManager {
[INFO] [stderr]    | --------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 88 |     pub fn get_last_saved_lsn(&self) -> u32 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ConcurrencyManager` is never constructed
[INFO] [stderr]  --> src/tx/concurrency/concurrency_manager.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct ConcurrencyManager {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/tx/concurrency/concurrency_manager.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | impl ConcurrencyManager {
[INFO] [stderr]    | ----------------------- associated function in this implementation
[INFO] [stderr] 11 |     fn new() -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `General` is never constructed
[INFO] [stderr]   --> src/tx/concurrency/lock_table.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 9  | pub enum LockAbortError {
[INFO] [stderr]    |          -------------- variant in this enum
[INFO] [stderr] 10 |     SystemTimeError(SystemTimeError),
[INFO] [stderr] 11 |     General,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `LockTable` is never constructed
[INFO] [stderr]   --> src/tx/concurrency/lock_table.rs:20:12
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub struct LockTable {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple associated items are never used
[INFO] [stderr]   --> src/tx/concurrency/lock_table.rs:26:11
[INFO] [stderr]    |
[INFO] [stderr] 25 | impl LockTable {
[INFO] [stderr]    | -------------- associated items in this implementation
[INFO] [stderr] 26 |     const MAX_TIME: u128 = 10 * 1000;
[INFO] [stderr]    |           ^^^^^^^^
[INFO] [stderr] 27 |
[INFO] [stderr] 28 |     pub fn new() -> LockTable {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 35 |     pub fn s_lock(&mut self, blk: &BlockId) -> Result<(), LockAbortError> {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 48 |     pub fn x_lock(&mut self, blk: &BlockId) -> Result<(), LockAbortError> {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 60 |     pub fn unlock(&mut self, blk: &BlockId) -> Result<(), SystemTimeError> {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 71 |     pub fn has_x_lock(&self, blk: &BlockId) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 75 |     pub fn has_other_s_lock(&self, blk: &BlockId) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 79 |     pub fn waiting_too_long(&self, time_stamp: u128) -> Result<bool, SystemTimeError> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 83 |     pub fn get_lock_value(&self, blk: &BlockId) -> i32 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `now_mill_sec` is never used
[INFO] [stderr]   --> src/tx/concurrency/lock_table.rs:91:4
[INFO] [stderr]    |
[INFO] [stderr] 91 | fn now_mill_sec() -> Result<u128, SystemTimeError> {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]  --> src/tx/recovery/checkpoint_record.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | impl CheckPointRecord {
[INFO] [stderr]   | --------------------- associated function in this implementation
[INFO] [stderr] 7 |     pub fn new() -> Self {
[INFO] [stderr]   |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]  --> src/tx/recovery/commit_record.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | impl CommitRecord {
[INFO] [stderr]   | ----------------- associated function in this implementation
[INFO] [stderr] 7 |     pub fn new(page: Page) -> Self {
[INFO] [stderr]   |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `create_log_record` is never used
[INFO] [stderr]   --> src/tx/recovery/log_record.rs:42:8
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub fn create_log_record(rec: Vec<u8>) -> Result<Box<dyn LogRecord>, TransactionError> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `RecoveryManager` is never constructed
[INFO] [stderr]  --> src/tx/recovery/recovery_manager.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub struct RecoveryManager {}
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/tx/recovery/rollback_record.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 9  | impl RollbackRecord {
[INFO] [stderr]    | ------------------- associated function in this implementation
[INFO] [stderr] 10 |     pub fn new(page: Page) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/tx/recovery/setint_record.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 9  | impl SetIntRecord {
[INFO] [stderr]    | ----------------- associated function in this implementation
[INFO] [stderr] 10 |     pub fn new(page: Page) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `new` and `write_to_log` are never used
[INFO] [stderr]   --> src/tx/recovery/setstring_record.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 22 | impl SetStringRecord {
[INFO] [stderr]    | -------------------- associated functions in this implementation
[INFO] [stderr] 23 |     pub fn new(page: Page) -> Result<Self, FromUtf8Error> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 47 |     fn write_to_log(
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/tx/recovery/start_record.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 9  | impl StartRecord {
[INFO] [stderr]    | ---------------- associated function in this implementation
[INFO] [stderr] 10 |     pub fn new(page: Page) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `file_manager`, `log_manager`, and `buffer_manager` are never read
[INFO] [stderr]   --> src/tx/transaction.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub struct Transaction {
[INFO] [stderr]    |            ----------- fields in this struct
[INFO] [stderr] 13 |     file_manager: Arc<FileManager>,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 14 |     log_manager: Arc<Mutex<LogManager>>,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 15 |     buffer_manager: Arc<Mutex<BufferManager>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `General` is never constructed
[INFO] [stderr]   --> src/tx/transaction.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub enum TransactionError {
[INFO] [stderr]    |          ---------------- variant in this enum
[INFO] [stderr] 19 |     FromUtf8Error(FromUtf8Error),
[INFO] [stderr] 20 |     General,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `recover`, `available_buffers`, `size`, `append`, and `block_size` are never used
[INFO] [stderr]   --> src/tx/transaction.rs:47:12
[INFO] [stderr]    |
[INFO] [stderr] 32 | impl Transaction {
[INFO] [stderr]    | ---------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 47 |     pub fn recover(&mut self) {}
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 62 |     pub fn available_buffers(&self) -> u16 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 66 |     pub fn size(&self, file_name: &str) -> usize {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 69 |     pub fn append(&mut self, file_name: &str) -> BlockId {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 72 |     pub fn block_size(&self) -> usize {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `simple_db_rust` (bin "simple_db_rust" test) generated 55 warnings (run `cargo fix --bin "simple_db_rust" --tests` to apply 33 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/simple_db_rust-45756d4d7f14626a)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test file::block_id::tests::test_block_id ... ok
[INFO] [stdout] test file::page::tests::test_set_get_string ... ok
[INFO] [stdout] test buffer::test::tests::buffer_test::test_buffer ... FAILED
[INFO] [stdout] test buffer::test::tests::buffer_manager_test::test_buffer_manager ... FAILED
[INFO] [stdout] test file::test::tests::test_file ... FAILED
[INFO] [stdout] test log::test::tests::test_log ... FAILED
[INFO] [stdout] test tx::test::tests::test_transaction ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- buffer::test::tests::buffer_test::test_buffer stdout ----
[INFO] [stdout] thread 'buffer::test::tests::buffer_test::test_buffer' panicked at src/buffer/test.rs:10:59:
[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:     0x564a5b5c9d76 - std::backtrace_rs::backtrace::libunwind::trace::h140b6deb6a45c671
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x564a5b5c9d76 - std::backtrace_rs::backtrace::trace_unsynchronized::h8450d7e4e9219aed
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x564a5b5c9d76 - std::sys_common::backtrace::_print_fmt::hbd28e5e6c6fc3a3f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x564a5b5c9d76 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb058f285768cf98e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x564a5b5f35c0 - core::fmt::rt::Argument::fmt::h87dec7a95127da24
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x564a5b5f35c0 - core::fmt::write::h873f89a91a4832db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x564a5b5c735f - std::io::Write::write_fmt::h90f651e9e694a4bb
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/io/mod.rs:1846:15
[INFO] [stdout]    7:     0x564a5b5c9b54 - std::sys_common::backtrace::_print::h7719d1529d9a9e13
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x564a5b5c9b54 - std::sys_common::backtrace::print::haa3afbd0e7947108
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x564a5b5cb8c7 - std::panicking::default_hook::{{closure}}::h10e3de2ec0eaff22
[INFO] [stdout]   10:     0x564a5b5cb5ad - std::panicking::default_hook::hbdc1b1b7fe073dab
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x564a5b59a947 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h20f7887d7cd0a330
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x564a5b59a947 - test::test_main::{{closure}}::hc125a615957b5cb1
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x564a5b5cbee6 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h8c19e0590f8443c4
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x564a5b5cbee6 - std::panicking::rust_panic_with_hook::hb81692602460473d
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:785:13
[INFO] [stdout]   15:     0x564a5b5cbc32 - std::panicking::begin_panic_handler::{{closure}}::h2470593aa2678e9c
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:659:13
[INFO] [stdout]   16:     0x564a5b5ca276 - std::sys_common::backtrace::__rust_end_short_backtrace::h560bb50225b0562b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x564a5b5cb984 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:647:5
[INFO] [stdout]   18:     0x564a5b53eb95 - core::panicking::panic_fmt::h29b6f262f6458dc3
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x564a5b53f133 - core::result::unwrap_failed::h12bc80647957bcdb
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/result.rs:1649:5
[INFO] [stdout]   20:     0x564a5b561282 - core::result::Result<T,E>::unwrap::h18a42dfa6b9d5910
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/result.rs:1073:23
[INFO] [stdout]   21:     0x564a5b561282 - simple_db_rust::buffer::test::tests::buffer_test::test_buffer::h886efe0ac896d29b
[INFO] [stdout]                                at /opt/rustwide/workdir/src/buffer/test.rs:10:22
[INFO] [stdout]   22:     0x564a5b5611c7 - simple_db_rust::buffer::test::tests::buffer_test::test_buffer::{{closure}}::h9e5c2cfe42fea434
[INFO] [stdout]                                at /opt/rustwide/workdir/src/buffer/test.rs:9:25
[INFO] [stdout]   23:     0x564a5b54db16 - core::ops::function::FnOnce::call_once::h78a11876e35413f1
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x564a5b5a053f - core::ops::function::FnOnce::call_once::h692fe6f34484199f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x564a5b5a053f - test::__rust_begin_short_backtrace::h48b62e76bd60e2de
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:621:18
[INFO] [stdout]   26:     0x564a5b59f361 - test::run_test_in_process::{{closure}}::h1c68597526ef43db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:644:60
[INFO] [stdout]   27:     0x564a5b59f361 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hcae98092997f976b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x564a5b59f361 - std::panicking::try::do_call::h8d1548c2f5bb535a
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   29:     0x564a5b59f361 - std::panicking::try::hbb7a2054f484688e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   30:     0x564a5b59f361 - std::panic::catch_unwind::h696d12d9d80497c2
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x564a5b59f361 - test::run_test_in_process::h053367a7217c825b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:644:27
[INFO] [stdout]   32:     0x564a5b59f361 - test::run_test::{{closure}}::hfa524e9fabcba78e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:567:43
[INFO] [stdout]   33:     0x564a5b5667c6 - test::run_test::{{closure}}::h2c4d0bb741ef7f9f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:595:41
[INFO] [stdout]   34:     0x564a5b5667c6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0d2c708415550075
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x564a5b56b787 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h76e2635840d7293f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x564a5b56b787 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::haa640b67a810a214
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x564a5b56b787 - std::panicking::try::do_call::h41892e3bc2807ab5
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   38:     0x564a5b56b787 - std::panicking::try::h861a16d180681c80
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   39:     0x564a5b56b787 - std::panic::catch_unwind::h8195f9064b1509fa
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x564a5b56b787 - std::thread::Builder::spawn_unchecked_::{{closure}}::h73cc419da1217371
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x564a5b56b787 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h79dc6499ff073b09
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x564a5b5d0dd5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha718e8cdc51a5182
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   43:     0x564a5b5d0dd5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h86072abc877c5474
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   44:     0x564a5b5d0dd5 - std::sys::pal::unix::thread::Thread::new::thread_start::hac4056197c365894
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7f28fe5aaac3 - <unknown>
[INFO] [stdout]   46:     0x7f28fe63bbf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- buffer::test::tests::buffer_manager_test::test_buffer_manager stdout ----
[INFO] [stdout] thread 'buffer::test::tests::buffer_manager_test::test_buffer_manager' panicked at src/buffer/test.rs:50:67:
[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:     0x564a5b5c9d76 - std::backtrace_rs::backtrace::libunwind::trace::h140b6deb6a45c671
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x564a5b5c9d76 - std::backtrace_rs::backtrace::trace_unsynchronized::h8450d7e4e9219aed
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x564a5b5c9d76 - std::sys_common::backtrace::_print_fmt::hbd28e5e6c6fc3a3f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x564a5b5c9d76 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb058f285768cf98e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x564a5b5f35c0 - core::fmt::rt::Argument::fmt::h87dec7a95127da24
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x564a5b5f35c0 - core::fmt::write::h873f89a91a4832db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x564a5b5c735f - std::io::Write::write_fmt::h90f651e9e694a4bb
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/io/mod.rs:1846:15
[INFO] [stdout]    7:     0x564a5b5c9b54 - std::sys_common::backtrace::_print::h7719d1529d9a9e13
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x564a5b5c9b54 - std::sys_common::backtrace::print::haa3afbd0e7947108
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x564a5b5cb8c7 - std::panicking::default_hook::{{closure}}::h10e3de2ec0eaff22
[INFO] [stdout]   10:     0x564a5b5cb5ad - std::panicking::default_hook::hbdc1b1b7fe073dab
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x564a5b59a947 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h20f7887d7cd0a330
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x564a5b59a947 - test::test_main::{{closure}}::hc125a615957b5cb1
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x564a5b5cbee6 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h8c19e0590f8443c4
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x564a5b5cbee6 - std::panicking::rust_panic_with_hook::hb81692602460473d
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:785:13
[INFO] [stdout]   15:     0x564a5b5cbc32 - std::panicking::begin_panic_handler::{{closure}}::h2470593aa2678e9c
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:659:13
[INFO] [stdout]   16:     0x564a5b5ca276 - std::sys_common::backtrace::__rust_end_short_backtrace::h560bb50225b0562b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x564a5b5cb984 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:647:5
[INFO] [stdout]   18:     0x564a5b53eb95 - core::panicking::panic_fmt::h29b6f262f6458dc3
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x564a5b53f133 - core::result::unwrap_failed::h12bc80647957bcdb
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/result.rs:1649:5
[INFO] [stdout]   20:     0x564a5b551627 - core::result::Result<T,E>::unwrap::h18a42dfa6b9d5910
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/result.rs:1073:23
[INFO] [stdout]   21:     0x564a5b551627 - simple_db_rust::buffer::test::tests::buffer_manager_test::test_buffer_manager::hbb5ee4b8190a9259
[INFO] [stdout]                                at /opt/rustwide/workdir/src/buffer/test.rs:50:22
[INFO] [stdout]   22:     0x564a5b551587 - simple_db_rust::buffer::test::tests::buffer_manager_test::test_buffer_manager::{{closure}}::hcd1849ab8028e2d7
[INFO] [stdout]                                at /opt/rustwide/workdir/src/buffer/test.rs:49:33
[INFO] [stdout]   23:     0x564a5b54dbc6 - core::ops::function::FnOnce::call_once::h9b3107f4e1ffcc55
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x564a5b5a053f - core::ops::function::FnOnce::call_once::h692fe6f34484199f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x564a5b5a053f - test::__rust_begin_short_backtrace::h48b62e76bd60e2de
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:621:18
[INFO] [stdout]   26:     0x564a5b59f361 - test::run_test_in_process::{{closure}}::h1c68597526ef43db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:644:60
[INFO] [stdout]   27:     0x564a5b59f361 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hcae98092997f976b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x564a5b59f361 - std::panicking::try::do_call::h8d1548c2f5bb535a
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   29:     0x564a5b59f361 - std::panicking::try::hbb7a2054f484688e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   30:     0x564a5b59f361 - std::panic::catch_unwind::h696d12d9d80497c2
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x564a5b59f361 - test::run_test_in_process::h053367a7217c825b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:644:27
[INFO] [stdout]   32:     0x564a5b59f361 - test::run_test::{{closure}}::hfa524e9fabcba78e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:567:43
[INFO] [stdout]   33:     0x564a5b5667c6 - test::run_test::{{closure}}::h2c4d0bb741ef7f9f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:595:41
[INFO] [stdout]   34:     0x564a5b5667c6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0d2c708415550075
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x564a5b56b787 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h76e2635840d7293f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x564a5b56b787 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::haa640b67a810a214
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x564a5b56b787 - std::panicking::try::do_call::h41892e3bc2807ab5
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   38:     0x564a5b56b787 - std::panicking::try::h861a16d180681c80
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   39:     0x564a5b56b787 - std::panic::catch_unwind::h8195f9064b1509fa
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x564a5b56b787 - std::thread::Builder::spawn_unchecked_::{{closure}}::h73cc419da1217371
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x564a5b56b787 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h79dc6499ff073b09
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x564a5b5d0dd5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha718e8cdc51a5182
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   43:     0x564a5b5d0dd5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h86072abc877c5474
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   44:     0x564a5b5d0dd5 - std::sys::pal::unix::thread::Thread::new::thread_start::hac4056197c365894
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7f28fe5aaac3 - <unknown>
[INFO] [stdout]   46:     0x7f28fe63bbf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- file::test::tests::test_file stdout ----
[INFO] [stdout] thread 'file::test::tests::test_file' panicked at src/file/test.rs:12:60:
[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:     0x564a5b5c9d76 - std::backtrace_rs::backtrace::libunwind::trace::h140b6deb6a45c671
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x564a5b5c9d76 - std::backtrace_rs::backtrace::trace_unsynchronized::h8450d7e4e9219aed
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x564a5b5c9d76 - std::sys_common::backtrace::_print_fmt::hbd28e5e6c6fc3a3f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x564a5b5c9d76 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb058f285768cf98e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x564a5b5f35c0 - core::fmt::rt::Argument::fmt::h87dec7a95127da24
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x564a5b5f35c0 - core::fmt::write::h873f89a91a4832db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x564a5b5c735f - std::io::Write::write_fmt::h90f651e9e694a4bb
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/io/mod.rs:1846:15
[INFO] [stdout]    7:     0x564a5b5c9b54 - std::sys_common::backtrace::_print::h7719d1529d9a9e13
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x564a5b5c9b54 - std::sys_common::backtrace::print::haa3afbd0e7947108
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x564a5b5cb8c7 - std::panicking::default_hook::{{closure}}::h10e3de2ec0eaff22
[INFO] [stdout]   10:     0x564a5b5cb5ad - std::panicking::default_hook::hbdc1b1b7fe073dab
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x564a5b59a947 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h20f7887d7cd0a330
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x564a5b59a947 - test::test_main::{{closure}}::hc125a615957b5cb1
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x564a5b5cbee6 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h8c19e0590f8443c4
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x564a5b5cbee6 - std::panicking::rust_panic_with_hook::hb81692602460473d
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:785:13
[INFO] [stdout]   15:     0x564a5b5cbc32 - std::panicking::begin_panic_handler::{{closure}}::h2470593aa2678e9c
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:659:13
[INFO] [stdout]   16:     0x564a5b5ca276 - std::sys_common::backtrace::__rust_end_short_backtrace::h560bb50225b0562b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x564a5b5cb984 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:647:5
[INFO] [stdout]   18:     0x564a5b53eb95 - core::panicking::panic_fmt::h29b6f262f6458dc3
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x564a5b53f133 - core::result::unwrap_failed::h12bc80647957bcdb
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/result.rs:1649:5
[INFO] [stdout]   20:     0x564a5b55cf1e - core::result::Result<T,E>::unwrap::h18a42dfa6b9d5910
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/result.rs:1073:23
[INFO] [stdout]   21:     0x564a5b55cf1e - simple_db_rust::file::test::tests::test_file::ha8f238689c6b7cc6
[INFO] [stdout]                                at /opt/rustwide/workdir/src/file/test.rs:12:18
[INFO] [stdout]   22:     0x564a5b55ce57 - simple_db_rust::file::test::tests::test_file::{{closure}}::h6e6606a63124a246
[INFO] [stdout]                                at /opt/rustwide/workdir/src/file/test.rs:11:19
[INFO] [stdout]   23:     0x564a5b54dc26 - core::ops::function::FnOnce::call_once::hac0d6cfa2e11c82a
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x564a5b5a053f - core::ops::function::FnOnce::call_once::h692fe6f34484199f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x564a5b5a053f - test::__rust_begin_short_backtrace::h48b62e76bd60e2de
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:621:18
[INFO] [stdout]   26:     0x564a5b59f361 - test::run_test_in_process::{{closure}}::h1c68597526ef43db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:644:60
[INFO] [stdout]   27:     0x564a5b59f361 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hcae98092997f976b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x564a5b59f361 - std::panicking::try::do_call::h8d1548c2f5bb535a
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   29:     0x564a5b59f361 - std::panicking::try::hbb7a2054f484688e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   30:     0x564a5b59f361 - std::panic::catch_unwind::h696d12d9d80497c2
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x564a5b59f361 - test::run_test_in_process::h053367a7217c825b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:644:27
[INFO] [stdout]   32:     0x564a5b59f361 - test::run_test::{{closure}}::hfa524e9fabcba78e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:567:43
[INFO] [stdout]   33:     0x564a5b5667c6 - test::run_test::{{closure}}::h2c4d0bb741ef7f9f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:595:41
[INFO] [stdout]   34:     0x564a5b5667c6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0d2c708415550075
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x564a5b56b787 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h76e2635840d7293f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x564a5b56b787 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::haa640b67a810a214
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x564a5b56b787 - std::panicking::try::do_call::h41892e3bc2807ab5
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   38:     0x564a5b56b787 - std::panicking::try::h861a16d180681c80
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   39:     0x564a5b56b787 - std::panic::catch_unwind::h8195f9064b1509fa
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x564a5b56b787 - std::thread::Builder::spawn_unchecked_::{{closure}}::h73cc419da1217371
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x564a5b56b787 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h79dc6499ff073b09
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x564a5b5d0dd5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha718e8cdc51a5182
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   43:     0x564a5b5d0dd5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h86072abc877c5474
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   44:     0x564a5b5d0dd5 - std::sys::pal::unix::thread::Thread::new::thread_start::hac4056197c365894
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7f28fe5aaac3 - <unknown>
[INFO] [stdout]   46:     0x7f28fe63bbf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- log::test::tests::test_log stdout ----
[INFO] [stdout] thread 'log::test::tests::test_log' panicked at src/log/test.rs:14:58:
[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:     0x564a5b5c9d76 - std::backtrace_rs::backtrace::libunwind::trace::h140b6deb6a45c671
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x564a5b5c9d76 - std::backtrace_rs::backtrace::trace_unsynchronized::h8450d7e4e9219aed
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x564a5b5c9d76 - std::sys_common::backtrace::_print_fmt::hbd28e5e6c6fc3a3f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x564a5b5c9d76 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb058f285768cf98e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x564a5b5f35c0 - core::fmt::rt::Argument::fmt::h87dec7a95127da24
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x564a5b5f35c0 - core::fmt::write::h873f89a91a4832db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x564a5b5c735f - std::io::Write::write_fmt::h90f651e9e694a4bb
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/io/mod.rs:1846:15
[INFO] [stdout]    7:     0x564a5b5c9b54 - std::sys_common::backtrace::_print::h7719d1529d9a9e13
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x564a5b5c9b54 - std::sys_common::backtrace::print::haa3afbd0e7947108
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x564a5b5cb8c7 - std::panicking::default_hook::{{closure}}::h10e3de2ec0eaff22
[INFO] [stdout]   10:     0x564a5b5cb5ad - std::panicking::default_hook::hbdc1b1b7fe073dab
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x564a5b59a947 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h20f7887d7cd0a330
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x564a5b59a947 - test::test_main::{{closure}}::hc125a615957b5cb1
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x564a5b5cbee6 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h8c19e0590f8443c4
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x564a5b5cbee6 - std::panicking::rust_panic_with_hook::hb81692602460473d
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:785:13
[INFO] [stdout]   15:     0x564a5b5cbc32 - std::panicking::begin_panic_handler::{{closure}}::h2470593aa2678e9c
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:659:13
[INFO] [stdout]   16:     0x564a5b5ca276 - std::sys_common::backtrace::__rust_end_short_backtrace::h560bb50225b0562b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x564a5b5cb984 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:647:5
[INFO] [stdout]   18:     0x564a5b53eb95 - core::panicking::panic_fmt::h29b6f262f6458dc3
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x564a5b53f133 - core::result::unwrap_failed::h12bc80647957bcdb
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/result.rs:1649:5
[INFO] [stdout]   20:     0x564a5b55dbbf - core::result::Result<T,E>::unwrap::h18a42dfa6b9d5910
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/result.rs:1073:23
[INFO] [stdout]   21:     0x564a5b55dbbf - simple_db_rust::log::test::tests::test_log::h92ecb6177ceb4bea
[INFO] [stdout]                                at /opt/rustwide/workdir/src/log/test.rs:14:18
[INFO] [stdout]   22:     0x564a5b55db07 - simple_db_rust::log::test::tests::test_log::{{closure}}::hb7fd218b8eeacea9
[INFO] [stdout]                                at /opt/rustwide/workdir/src/log/test.rs:13:18
[INFO] [stdout]   23:     0x564a5b54d926 - core::ops::function::FnOnce::call_once::h028f2dd0070b833c
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x564a5b5a053f - core::ops::function::FnOnce::call_once::h692fe6f34484199f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x564a5b5a053f - test::__rust_begin_short_backtrace::h48b62e76bd60e2de
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:621:18
[INFO] [stdout]   26:     0x564a5b59f361 - test::run_test_in_process::{{closure}}::h1c68597526ef43db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:644:60
[INFO] [stdout]   27:     0x564a5b59f361 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hcae98092997f976b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x564a5b59f361 - std::panicking::try::do_call::h8d1548c2f5bb535a
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   29:     0x564a5b59f361 - std::panicking::try::hbb7a2054f484688e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   30:     0x564a5b59f361 - std::panic::catch_unwind::h696d12d9d80497c2
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x564a5b59f361 - test::run_test_in_process::h053367a7217c825b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:644:27
[INFO] [stdout]   32:     0x564a5b59f361 - test::run_test::{{closure}}::hfa524e9fabcba78e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:567:43
[INFO] [stdout]   33:     0x564a5b5667c6 - test::run_test::{{closure}}::h2c4d0bb741ef7f9f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:595:41
[INFO] [stdout]   34:     0x564a5b5667c6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0d2c708415550075
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x564a5b56b787 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h76e2635840d7293f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x564a5b56b787 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::haa640b67a810a214
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x564a5b56b787 - std::panicking::try::do_call::h41892e3bc2807ab5
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   38:     0x564a5b56b787 - std::panicking::try::h861a16d180681c80
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   39:     0x564a5b56b787 - std::panic::catch_unwind::h8195f9064b1509fa
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x564a5b56b787 - std::thread::Builder::spawn_unchecked_::{{closure}}::h73cc419da1217371
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x564a5b56b787 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h79dc6499ff073b09
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x564a5b5d0dd5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha718e8cdc51a5182
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   43:     0x564a5b5d0dd5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h86072abc877c5474
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   44:     0x564a5b5d0dd5 - std::sys::pal::unix::thread::Thread::new::thread_start::hac4056197c365894
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7f28fe5aaac3 - <unknown>
[INFO] [stdout]   46:     0x7f28fe63bbf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tx::test::tests::test_transaction stdout ----
[INFO] [stdout] thread 'tx::test::tests::test_transaction' panicked at src/tx/test.rs:13:62:
[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:     0x564a5b5c9d76 - std::backtrace_rs::backtrace::libunwind::trace::h140b6deb6a45c671
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x564a5b5c9d76 - std::backtrace_rs::backtrace::trace_unsynchronized::h8450d7e4e9219aed
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x564a5b5c9d76 - std::sys_common::backtrace::_print_fmt::hbd28e5e6c6fc3a3f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x564a5b5c9d76 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb058f285768cf98e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x564a5b5f35c0 - core::fmt::rt::Argument::fmt::h87dec7a95127da24
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x564a5b5f35c0 - core::fmt::write::h873f89a91a4832db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x564a5b5c735f - std::io::Write::write_fmt::h90f651e9e694a4bb
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/io/mod.rs:1846:15
[INFO] [stdout]    7:     0x564a5b5c9b54 - std::sys_common::backtrace::_print::h7719d1529d9a9e13
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x564a5b5c9b54 - std::sys_common::backtrace::print::haa3afbd0e7947108
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x564a5b5cb8c7 - std::panicking::default_hook::{{closure}}::h10e3de2ec0eaff22
[INFO] [stdout]   10:     0x564a5b5cb5ad - std::panicking::default_hook::hbdc1b1b7fe073dab
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x564a5b59a947 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h20f7887d7cd0a330
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x564a5b59a947 - test::test_main::{{closure}}::hc125a615957b5cb1
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x564a5b5cbee6 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h8c19e0590f8443c4
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x564a5b5cbee6 - std::panicking::rust_panic_with_hook::hb81692602460473d
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:785:13
[INFO] [stdout]   15:     0x564a5b5cbc32 - std::panicking::begin_panic_handler::{{closure}}::h2470593aa2678e9c
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:659:13
[INFO] [stdout]   16:     0x564a5b5ca276 - std::sys_common::backtrace::__rust_end_short_backtrace::h560bb50225b0562b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x564a5b5cb984 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:647:5
[INFO] [stdout]   18:     0x564a5b53eb95 - core::panicking::panic_fmt::h29b6f262f6458dc3
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x564a5b53f133 - core::result::unwrap_failed::h12bc80647957bcdb
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/result.rs:1649:5
[INFO] [stdout]   20:     0x564a5b562237 - core::result::Result<T,E>::unwrap::h18a42dfa6b9d5910
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/result.rs:1073:23
[INFO] [stdout]   21:     0x564a5b562237 - simple_db_rust::tx::test::tests::test_transaction::hca38a615c62fda7a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tx/test.rs:13:18
[INFO] [stdout]   22:     0x564a5b562157 - simple_db_rust::tx::test::tests::test_transaction::{{closure}}::h39c6d50941853c7e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tx/test.rs:12:26
[INFO] [stdout]   23:     0x564a5b54db56 - core::ops::function::FnOnce::call_once::h7ea1da0452952927
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x564a5b5a053f - core::ops::function::FnOnce::call_once::h692fe6f34484199f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x564a5b5a053f - test::__rust_begin_short_backtrace::h48b62e76bd60e2de
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:621:18
[INFO] [stdout]   26:     0x564a5b59f361 - test::run_test_in_process::{{closure}}::h1c68597526ef43db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:644:60
[INFO] [stdout]   27:     0x564a5b59f361 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hcae98092997f976b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x564a5b59f361 - std::panicking::try::do_call::h8d1548c2f5bb535a
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   29:     0x564a5b59f361 - std::panicking::try::hbb7a2054f484688e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   30:     0x564a5b59f361 - std::panic::catch_unwind::h696d12d9d80497c2
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x564a5b59f361 - test::run_test_in_process::h053367a7217c825b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:644:27
[INFO] [stdout]   32:     0x564a5b59f361 - test::run_test::{{closure}}::hfa524e9fabcba78e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:567:43
[INFO] [stdout]   33:     0x564a5b5667c6 - test::run_test::{{closure}}::h2c4d0bb741ef7f9f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:595:41
[INFO] [stdout]   34:     0x564a5b5667c6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0d2c708415550075
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x564a5b56b787 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h76e2635840d7293f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x564a5b56b787 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::haa640b67a810a214
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x564a5b56b787 - std::panicking::try::do_call::h41892e3bc2807ab5
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   38:     0x564a5b56b787 - std::panicking::try::h861a16d180681c80
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   39:     0x564a5b56b787 - std::panic::catch_unwind::h8195f9064b1509fa
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x564a5b56b787 - std::thread::Builder::spawn_unchecked_::{{closure}}::h73cc419da1217371
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x564a5b56b787 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h79dc6499ff073b09
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x564a5b5d0dd5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha718e8cdc51a5182
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   43:     0x564a5b5d0dd5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h86072abc877c5474
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   44:     0x564a5b5d0dd5 - std::sys::pal::unix::thread::Thread::new::thread_start::hac4056197c365894
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7f28fe5aaac3 - <unknown>
[INFO] [stdout]   46:     0x7f28fe63bbf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     buffer::test::tests::buffer_manager_test::test_buffer_manager
[INFO] [stdout]     buffer::test::tests::buffer_test::test_buffer
[INFO] [stdout]     file::test::tests::test_file
[INFO] [stdout]     log::test::tests::test_log
[INFO] [stdout]     tx::test::tests::test_transaction
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 5 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin simple_db_rust`
[INFO] running `Command { std: "docker" "inspect" "a4b84dbec375521b87d2d478513182680a91d6838c99adce31d9e25dda22cec0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4b84dbec375521b87d2d478513182680a91d6838c99adce31d9e25dda22cec0", kill_on_drop: false }`
[INFO] [stdout] a4b84dbec375521b87d2d478513182680a91d6838c99adce31d9e25dda22cec0
