[INFO] cloning repository https://github.com/raja-dettex/rusterine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/raja-dettex/rusterine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraja-dettex%2Frusterine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraja-dettex%2Frusterine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a33510aa3fa325cc2e8691940cbc44c8cae7f15b
[INFO] testing raja-dettex/rusterine against 1.93.0 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraja-dettex%2Frusterine" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/raja-dettex/rusterine
[INFO] finished tweaking git repo https://github.com/raja-dettex/rusterine
[INFO] tweaked toml for git repo https://github.com/raja-dettex/rusterine written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/raja-dettex/rusterine on toolchain 1.93.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.93.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/raja-dettex/rusterine 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" "+1.93.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded redox_syscall v0.5.11
[INFO] [stderr]   Downloaded anyhow v1.0.97
[INFO] [stderr]   Downloaded socket2 v0.5.9
[INFO] [stderr]   Downloaded tokio v1.44.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 652e3e385b5b44693c7df27c489cb92276ec37f9ab60a82be88698b77b69120b
[INFO] running `Command { std: "docker" "start" "-a" "652e3e385b5b44693c7df27c489cb92276ec37f9ab60a82be88698b77b69120b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "652e3e385b5b44693c7df27c489cb92276ec37f9ab60a82be88698b77b69120b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "652e3e385b5b44693c7df27c489cb92276ec37f9ab60a82be88698b77b69120b", kill_on_drop: false }`
[INFO] [stdout] 652e3e385b5b44693c7df27c489cb92276ec37f9ab60a82be88698b77b69120b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 894be72309f4f48d3bbbb21df5f1be4915d46110c9219afb58c2d85dcbac3996
[INFO] running `Command { std: "docker" "start" "-a" "894be72309f4f48d3bbbb21df5f1be4915d46110c9219afb58c2d85dcbac3996", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling smallvec v1.15.0
[INFO] [stderr]    Compiling virtue v0.0.18
[INFO] [stderr]    Compiling anyhow v1.0.97
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling unty v0.0.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling socket2 v0.5.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling bincode_derive v2.0.1
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tokio v1.44.2
[INFO] [stderr]    Compiling bincode v2.0.1
[INFO] [stderr]    Compiling rusterine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Bytes`, `os::unix::fs::FileExt`, and `path::PathBuf`
[INFO] [stdout]  --> src/page.rs:1:62
[INFO] [stdout]   |
[INFO] [stdout] 1 | ...s::{self, File}, io::{self, Bytes, ErrorKind, Read, SeekFrom, Write}, os::unix::fs::FileExt, path::PathBuf};
[INFO] [stdout]   |                                ^^^^^                                     ^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Error`
[INFO] [stdout]  --> src/page.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/page.rs:170:23
[INFO] [stdout]     |
[INFO] [stdout] 170 |         let page_id = (offset/ self.page_size);
[INFO] [stdout]     |                       ^                      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 170 -         let page_id = (offset/ self.page_size);
[INFO] [stdout] 170 +         let page_id = offset/ self.page_size ;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fs::OpenOptions`
[INFO] [stdout]  --> src/storage.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs::OpenOptions, io::{Error, Read}};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PathBuf` and `hash::Hash`
[INFO] [stdout]  --> src/storage.rs:4:33
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{collections::HashMap, hash::Hash, io::{self, ErrorKind}, path::{Path, PathBuf}};
[INFO] [stdout]   |                                 ^^^^^^^^^^                                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ErrorKind` and `path::Path`
[INFO] [stdout]  --> src/journal.rs:1:63
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs::{File, OpenOptions}, io::{self, BufRead, Error, ErrorKind, Read, Write}, path::Path};
[INFO] [stdout]   |                                                               ^^^^^^^^^                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, and `BufWriter`
[INFO] [stdout]  --> src/main.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::{BufRead, BufReader, BufWriter, Error, ErrorKind, Read, Write};
[INFO] [stdout]   |               ^^^^^^^  ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Add`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::ops::Add;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hash::Hash`
[INFO] [stdout]  --> src/main.rs:8:33
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::{collections::HashMap, hash::Hash, io, path::PathBuf};
[INFO] [stdout]   |                                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `journal::WAL`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use journal::WAL;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `libc::printf`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use libc::printf;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/storage.rs:1:40
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs::OpenOptions, io::{Error, Read}};
[INFO] [stdout]   |                                        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/journal.rs:1:74
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs::{File, OpenOptions}, io::{self, BufRead, Error, ErrorKind, Read, Write}, path::Path};
[INFO] [stdout]   |                                                                          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]    --> src/page.rs:103:96
[INFO] [stdout]     |
[INFO] [stdout] 103 | ...set, page_last_written_offset, size)) = if let Some(last_page_id) = self.pages.keys().max().copied() { 
[INFO] [stdout]     |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/page.rs:251:13
[INFO] [stdout]     |
[INFO] [stdout] 251 |         for id in self.pages.keys().copied().collect::<Vec<_>>() { 
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/journal.rs:22:18
[INFO] [stdout]    |
[INFO] [stdout] 22 |             let  mut file = File::open(file_path)?;
[INFO] [stdout]    |                  ----^^^^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/journal.rs:97:17
[INFO] [stdout]    |
[INFO] [stdout] 97 |             let mut file  = Self::create_file(self.dir_path.clone(), filepath.clone())?;
[INFO] [stdout]    |                 ----^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `usize`
[INFO] [stdout]    --> src/journal.rs:122:32
[INFO] [stdout]     |
[INFO] [stdout] 122 |         }).max_by_key(|(offset,usize)| *offset) {
[INFO] [stdout]     |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/main.rs:67:19
[INFO] [stdout]    |
[INFO] [stdout] 67 |         .map_err(|err| std::io::Error::new(ErrorKind::BrokenPipe, "can not decode")) { 
[INFO] [stdout]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]   --> src/main.rs:68:23
[INFO] [stdout]    |
[INFO] [stdout] 68 |             Ok((docs, size)) => { 
[INFO] [stdout]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/main.rs:211:10
[INFO] [stdout]     |
[INFO] [stdout] 211 |     for (index, (content, path)) in file_contents.iter().enumerate() { 
[INFO] [stdout]     |          ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `page_id` is never read
[INFO] [stdout]  --> src/page.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Page { 
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] 8 |     page_id: usize,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Page` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `flush_all` and `mark_dirty` are never used
[INFO] [stdout]    --> src/page.rs:250:12
[INFO] [stdout]     |
[INFO] [stdout]  67 | impl PageCacheManager { 
[INFO] [stdout]     | --------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 250 |     pub fn flush_all(&mut self) -> io::Result<()>{ 
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 312 |     pub fn mark_dirty(&mut self, id: usize) -> std::io::Result<()> { 
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `sync` is never used
[INFO] [stdout]   --> src/storage.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl SegmentStore { 
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 77 |     pub fn sync(&mut self) -> io::Result<()> { 
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/page.rs:140:13
[INFO] [stdout]     |
[INFO] [stdout] 140 |             self.evict();
[INFO] [stdout]     |             ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 140 |             let _ = self.evict();
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/page.rs:242:17
[INFO] [stdout]     |
[INFO] [stdout] 242 |                 self.file.seek(SeekFrom::Start(begin_offset as u64));
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 242 |                 let _ = self.file.seek(SeekFrom::Start(begin_offset as u64));
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/page.rs:244:17
[INFO] [stdout]     |
[INFO] [stdout] 244 |                 self.file.flush();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 244 |                 let _ = self.file.flush();
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/page.rs:270:33
[INFO] [stdout]     |
[INFO] [stdout] 270 | ...                   self.evict();
[INFO] [stdout]     |                       ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 270 |                                 let _ = self.evict();
[INFO] [stdout]     |                                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.03s
[INFO] running `Command { std: "docker" "inspect" "894be72309f4f48d3bbbb21df5f1be4915d46110c9219afb58c2d85dcbac3996", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "894be72309f4f48d3bbbb21df5f1be4915d46110c9219afb58c2d85dcbac3996", kill_on_drop: false }`
[INFO] [stdout] 894be72309f4f48d3bbbb21df5f1be4915d46110c9219afb58c2d85dcbac3996
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 833814d9c708ebaeb178b139de41de094b426ac96130694474a65dda0cc9f6f3
[INFO] running `Command { std: "docker" "start" "-a" "833814d9c708ebaeb178b139de41de094b426ac96130694474a65dda0cc9f6f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusterine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Bytes`, `os::unix::fs::FileExt`, and `path::PathBuf`
[INFO] [stdout]  --> src/page.rs:1:62
[INFO] [stdout]   |
[INFO] [stdout] 1 | ...s::{self, File}, io::{self, Bytes, ErrorKind, Read, SeekFrom, Write}, os::unix::fs::FileExt, path::PathBuf};
[INFO] [stdout]   |                                ^^^^^                                     ^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Error`
[INFO] [stdout]  --> src/page.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/page.rs:170:23
[INFO] [stdout]     |
[INFO] [stdout] 170 |         let page_id = (offset/ self.page_size);
[INFO] [stdout]     |                       ^                      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 170 -         let page_id = (offset/ self.page_size);
[INFO] [stdout] 170 +         let page_id = offset/ self.page_size ;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fs::OpenOptions`
[INFO] [stdout]  --> src/storage.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs::OpenOptions, io::{Error, Read}};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PathBuf` and `hash::Hash`
[INFO] [stdout]  --> src/storage.rs:4:33
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{collections::HashMap, hash::Hash, io::{self, ErrorKind}, path::{Path, PathBuf}};
[INFO] [stdout]   |                                 ^^^^^^^^^^                                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ErrorKind` and `path::Path`
[INFO] [stdout]  --> src/journal.rs:1:63
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs::{File, OpenOptions}, io::{self, BufRead, Error, ErrorKind, Read, Write}, path::Path};
[INFO] [stdout]   |                                                               ^^^^^^^^^                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, and `BufWriter`
[INFO] [stdout]  --> src/main.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::{BufRead, BufReader, BufWriter, Error, ErrorKind, Read, Write};
[INFO] [stdout]   |               ^^^^^^^  ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Add`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::ops::Add;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hash::Hash`
[INFO] [stdout]  --> src/main.rs:8:33
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::{collections::HashMap, hash::Hash, io, path::PathBuf};
[INFO] [stdout]   |                                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `journal::WAL`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use journal::WAL;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `libc::printf`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use libc::printf;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/storage.rs:1:40
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs::OpenOptions, io::{Error, Read}};
[INFO] [stdout]   |                                        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/journal.rs:1:74
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs::{File, OpenOptions}, io::{self, BufRead, Error, ErrorKind, Read, Write}, path::Path};
[INFO] [stdout]   |                                                                          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]    --> src/page.rs:103:96
[INFO] [stdout]     |
[INFO] [stdout] 103 | ...set, page_last_written_offset, size)) = if let Some(last_page_id) = self.pages.keys().max().copied() { 
[INFO] [stdout]     |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/page.rs:251:13
[INFO] [stdout]     |
[INFO] [stdout] 251 |         for id in self.pages.keys().copied().collect::<Vec<_>>() { 
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/journal.rs:22:18
[INFO] [stdout]    |
[INFO] [stdout] 22 |             let  mut file = File::open(file_path)?;
[INFO] [stdout]    |                  ----^^^^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/journal.rs:97:17
[INFO] [stdout]    |
[INFO] [stdout] 97 |             let mut file  = Self::create_file(self.dir_path.clone(), filepath.clone())?;
[INFO] [stdout]    |                 ----^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `usize`
[INFO] [stdout]    --> src/journal.rs:122:32
[INFO] [stdout]     |
[INFO] [stdout] 122 |         }).max_by_key(|(offset,usize)| *offset) {
[INFO] [stdout]     |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/main.rs:67:19
[INFO] [stdout]    |
[INFO] [stdout] 67 |         .map_err(|err| std::io::Error::new(ErrorKind::BrokenPipe, "can not decode")) { 
[INFO] [stdout]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]   --> src/main.rs:68:23
[INFO] [stdout]    |
[INFO] [stdout] 68 |             Ok((docs, size)) => { 
[INFO] [stdout]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/main.rs:211:10
[INFO] [stdout]     |
[INFO] [stdout] 211 |     for (index, (content, path)) in file_contents.iter().enumerate() { 
[INFO] [stdout]     |          ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `page_id` is never read
[INFO] [stdout]  --> src/page.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Page { 
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] 8 |     page_id: usize,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Page` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `flush_all` and `mark_dirty` are never used
[INFO] [stdout]    --> src/page.rs:250:12
[INFO] [stdout]     |
[INFO] [stdout]  67 | impl PageCacheManager { 
[INFO] [stdout]     | --------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 250 |     pub fn flush_all(&mut self) -> io::Result<()>{ 
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 312 |     pub fn mark_dirty(&mut self, id: usize) -> std::io::Result<()> { 
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `sync` is never used
[INFO] [stdout]   --> src/storage.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl SegmentStore { 
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 77 |     pub fn sync(&mut self) -> io::Result<()> { 
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/page.rs:140:13
[INFO] [stdout]     |
[INFO] [stdout] 140 |             self.evict();
[INFO] [stdout]     |             ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 140 |             let _ = self.evict();
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/page.rs:242:17
[INFO] [stdout]     |
[INFO] [stdout] 242 |                 self.file.seek(SeekFrom::Start(begin_offset as u64));
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 242 |                 let _ = self.file.seek(SeekFrom::Start(begin_offset as u64));
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/page.rs:244:17
[INFO] [stdout]     |
[INFO] [stdout] 244 |                 self.file.flush();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 244 |                 let _ = self.file.flush();
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/page.rs:270:33
[INFO] [stdout]     |
[INFO] [stdout] 270 | ...                   self.evict();
[INFO] [stdout]     |                       ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 270 |                                 let _ = self.evict();
[INFO] [stdout]     |                                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "833814d9c708ebaeb178b139de41de094b426ac96130694474a65dda0cc9f6f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "833814d9c708ebaeb178b139de41de094b426ac96130694474a65dda0cc9f6f3", kill_on_drop: false }`
[INFO] [stdout] 833814d9c708ebaeb178b139de41de094b426ac96130694474a65dda0cc9f6f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c906dd8d77f9c5657f9e017c75866b7a560fa2025746247c05112a18ff1b1615
[INFO] running `Command { std: "docker" "start" "-a" "c906dd8d77f9c5657f9e017c75866b7a560fa2025746247c05112a18ff1b1615", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Bytes`, `os::unix::fs::FileExt`, and `path::PathBuf`
[INFO] [stderr]  --> src/page.rs:1:62
[INFO] [stderr]   |
[INFO] [stderr] 1 | ...s::{self, File}, io::{self, Bytes, ErrorKind, Read, SeekFrom, Write}, os::unix::fs::FileExt, path::PathBuf};
[INFO] [stderr]   |                                ^^^^^                                     ^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Error`
[INFO] [stderr]  --> src/page.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/page.rs:170:23
[INFO] [stderr]     |
[INFO] [stderr] 170 |         let page_id = (offset/ self.page_size);
[INFO] [stderr]     |                       ^                      ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 170 -         let page_id = (offset/ self.page_size);
[INFO] [stderr] 170 +         let page_id = offset/ self.page_size ;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fs::OpenOptions`
[INFO] [stderr]  --> src/storage.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{fs::OpenOptions, io::{Error, Read}};
[INFO] [stderr]   |           ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `PathBuf` and `hash::Hash`
[INFO] [stderr]  --> src/storage.rs:4:33
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::{collections::HashMap, hash::Hash, io::{self, ErrorKind}, path::{Path, PathBuf}};
[INFO] [stderr]   |                                 ^^^^^^^^^^                                      ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ErrorKind` and `path::Path`
[INFO] [stderr]  --> src/journal.rs:1:63
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{fs::{File, OpenOptions}, io::{self, BufRead, Error, ErrorKind, Read, Write}, path::Path};
[INFO] [stderr]   |                                                               ^^^^^^^^^                ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufRead`, `BufReader`, and `BufWriter`
[INFO] [stderr]  --> src/main.rs:6:15
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::io::{BufRead, BufReader, BufWriter, Error, ErrorKind, Read, Write};
[INFO] [stderr]   |               ^^^^^^^  ^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Add`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::ops::Add;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `hash::Hash`
[INFO] [stderr]  --> src/main.rs:8:33
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::{collections::HashMap, hash::Hash, io, path::PathBuf};
[INFO] [stderr]   |                                 ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `journal::WAL`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use journal::WAL;
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `libc::printf`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use libc::printf;
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/storage.rs:1:40
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{fs::OpenOptions, io::{Error, Read}};
[INFO] [stderr]   |                                        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/journal.rs:1:74
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{fs::{File, OpenOptions}, io::{self, BufRead, Error, ErrorKind, Read, Write}, path::Path};
[INFO] [stderr]   |                                                                          ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `size`
[INFO] [stderr]    --> src/page.rs:103:96
[INFO] [stderr]     |
[INFO] [stderr] 103 | ...set, page_last_written_offset, size)) = if let Some(last_page_id) = self.pages.keys().max().copied() { 
[INFO] [stderr]     |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]    --> src/page.rs:251:13
[INFO] [stderr]     |
[INFO] [stderr] 251 |         for id in self.pages.keys().copied().collect::<Vec<_>>() { 
[INFO] [stderr]     |             ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/journal.rs:22:18
[INFO] [stderr]    |
[INFO] [stderr] 22 |             let  mut file = File::open(file_path)?;
[INFO] [stderr]    |                  ----^^^^
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/journal.rs:97:17
[INFO] [stderr]    |
[INFO] [stderr] 97 |             let mut file  = Self::create_file(self.dir_path.clone(), filepath.clone())?;
[INFO] [stderr]    |                 ----^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `usize`
[INFO] [stderr]    --> src/journal.rs:122:32
[INFO] [stderr]     |
[INFO] [stderr] 122 |         }).max_by_key(|(offset,usize)| *offset) {
[INFO] [stderr]     |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_usize`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/main.rs:67:19
[INFO] [stderr]    |
[INFO] [stderr] 67 |         .map_err(|err| std::io::Error::new(ErrorKind::BrokenPipe, "can not decode")) { 
[INFO] [stderr]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `size`
[INFO] [stderr]   --> src/main.rs:68:23
[INFO] [stderr]    |
[INFO] [stderr] 68 |             Ok((docs, size)) => { 
[INFO] [stderr]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]    --> src/main.rs:211:10
[INFO] [stderr]     |
[INFO] [stderr] 211 |     for (index, (content, path)) in file_contents.iter().enumerate() { 
[INFO] [stderr]     |          ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stderr] 
[INFO] [stderr] warning: field `page_id` is never read
[INFO] [stderr]  --> src/page.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct Page { 
[INFO] [stderr]   |            ---- field in this struct
[INFO] [stderr] 8 |     page_id: usize,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Page` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `flush_all` and `mark_dirty` are never used
[INFO] [stderr]    --> src/page.rs:250:12
[INFO] [stderr]     |
[INFO] [stderr]  67 | impl PageCacheManager { 
[INFO] [stderr]     | --------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 250 |     pub fn flush_all(&mut self) -> io::Result<()>{ 
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 312 |     pub fn mark_dirty(&mut self, id: usize) -> std::io::Result<()> { 
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `sync` is never used
[INFO] [stderr]   --> src/storage.rs:77:12
[INFO] [stderr]    |
[INFO] [stderr] 14 | impl SegmentStore { 
[INFO] [stderr]    | ----------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 77 |     pub fn sync(&mut self) -> io::Result<()> { 
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/page.rs:140:13
[INFO] [stderr]     |
[INFO] [stderr] 140 |             self.evict();
[INFO] [stderr]     |             ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 140 |             let _ = self.evict();
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/page.rs:242:17
[INFO] [stderr]     |
[INFO] [stderr] 242 |                 self.file.seek(SeekFrom::Start(begin_offset as u64));
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 242 |                 let _ = self.file.seek(SeekFrom::Start(begin_offset as u64));
[INFO] [stderr]     |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/page.rs:244:17
[INFO] [stderr]     |
[INFO] [stderr] 244 |                 self.file.flush();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 244 |                 let _ = self.file.flush();
[INFO] [stderr]     |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/page.rs:270:33
[INFO] [stderr]     |
[INFO] [stderr] 270 | ...                   self.evict();
[INFO] [stderr]     |                       ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 270 |                                 let _ = self.evict();
[INFO] [stderr]     |                                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `rusterine` (bin "rusterine" test) generated 28 warnings (run `cargo fix --bin "rusterine" -p rusterine --tests` to apply 19 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rusterine-fa6e51f94ce3251d)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test journal::test_wal ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- journal::test_wal stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'journal::test_wal' (24) panicked at src/journal.rs:150:37:
[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:     0x5ee6c823f2b2 - std::backtrace_rs::backtrace::libunwind::trace::h90e89fac33585832
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5ee6c823f2b2 - std::backtrace_rs::backtrace::trace_unsynchronized::heebcf2380a8e7359
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5ee6c823f2b2 - std::sys::backtrace::_print_fmt::hdf3e2a22d2f810db
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:68:9
[INFO] [stdout]    3:     0x5ee6c823f2b2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hac1d885928ba8582
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:38:26
[INFO] [stdout]    4:     0x5ee6c824f267 - core::fmt::rt::Argument::fmt::h6901eb7c19abebe8
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5ee6c824f267 - core::fmt::write::h83ebb4d32483be9e
[INFO] [stdout]    6:     0x5ee6c820d836 - std::io::default_write_fmt::h751a79cdae495f10
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5ee6c820d836 - std::io::Write::write_fmt::h9ef514f8700ff7b2
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5ee6c821e019 - std::sys::backtrace::BacktraceLock::print::hcc2e1a3ac996c911
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:41:9
[INFO] [stdout]    9:     0x5ee6c821e019 - std::panicking::default_hook::{{closure}}::h8e9c4d1276f0925f
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5ee6c821deb1 - std::panicking::default_hook::h2b2078d38b534dfb
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5ee6c81dc9ee - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h39d051e7dedac6a7
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5ee6c81dc9ee - test::test_main_with_exit_callback::{{closure}}::h4b005fe75814c302
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5ee6c821e292 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd426070722c13cbf
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5ee6c821e292 - std::panicking::panic_with_hook::h39b739724e701bfd
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5ee6c821e0d8 - std::panicking::panic_handler::{{closure}}::he540c4833054e458
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5ee6c82196a9 - std::sys::backtrace::__rust_end_short_backtrace::hfa179d89deec8aed
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:176:18
[INFO] [stdout]   17:     0x5ee6c820206d - __rustc[d131491b17107b07]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5ee6c82569bc - core::panicking::panic_fmt::ha564519d657d9c46
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5ee6c82561a2 - core::result::unwrap_failed::h23873bb39ca9a844
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x5ee6c819dddb - core::result::Result<T,E>::unwrap::h992310fcb184f8e3
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x5ee6c819dddb - rusterine::journal::test_wal::he4fa559da00be60d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/journal.rs:150:37
[INFO] [stdout]   22:     0x5ee6c819e237 - rusterine::journal::test_wal::{{closure}}::h3964946700a67089
[INFO] [stdout]                                at /opt/rustwide/workdir/src/journal.rs:149:18
[INFO] [stdout]   23:     0x5ee6c81a5686 - core::ops::function::FnOnce::call_once::h07efd4cd20931faf
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5ee6c81dc81b - core::ops::function::FnOnce::call_once::h0217b30cfdee2e67
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5ee6c81dc81b - test::__rust_begin_short_backtrace::h6d98714a1e28f556
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x5ee6c81f01aa - test::run_test_in_process::{{closure}}::he2c70d2634d3a3cc
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x5ee6c81f01aa - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h40a0a825bcf17fdd
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x5ee6c81f01aa - std::panicking::catch_unwind::do_call::h6c8eb5dd6e7b5975
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x5ee6c81f01aa - std::panicking::catch_unwind::h55455eac2972ad1e
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5ee6c81f01aa - std::panic::catch_unwind::h0025465150a5e558
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5ee6c81f01aa - test::run_test_in_process::hb61e682f9b630fbc
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x5ee6c81f01aa - test::run_test::{{closure}}::hc2c2a7a38ab176e2
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x5ee6c81ca444 - test::run_test::{{closure}}::ha91867b85cd2a911
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x5ee6c81ca444 - std::sys::backtrace::__rust_begin_short_backtrace::ha00a9fe02049c339
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:160:18
[INFO] [stdout]   35:     0x5ee6c81cdd72 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::hd629fba9153dfb55
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/thread/lifecycle.rs:92:13
[INFO] [stdout]   36:     0x5ee6c81cdd72 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4189018816a5c5d9
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x5ee6c81cdd72 - std::panicking::catch_unwind::do_call::hf9fcdbca3c2e9877
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x5ee6c81cdd72 - std::panicking::catch_unwind::h97b92d88631c7c64
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x5ee6c81cdd72 - std::panic::catch_unwind::ha77cdbb68e725e5e
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5ee6c81cdd72 - std::thread::lifecycle::spawn_unchecked::{{closure}}::h511f05bc1a132253
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/thread/lifecycle.rs:90:26
[INFO] [stdout]   41:     0x5ee6c81cdd72 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6b68b31e9b685cb8
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5ee6c8214d3f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h22a27d165e4e871d
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   43:     0x5ee6c8214d3f - std::sys::thread::unix::Thread::new::thread_start::h45cc87bb053add0f
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x75aa14577aa4 - <unknown>
[INFO] [stdout]   45:     0x75aa14604a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     journal::test_wal
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin rusterine`
[INFO] running `Command { std: "docker" "inspect" "c906dd8d77f9c5657f9e017c75866b7a560fa2025746247c05112a18ff1b1615", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c906dd8d77f9c5657f9e017c75866b7a560fa2025746247c05112a18ff1b1615", kill_on_drop: false }`
[INFO] [stdout] c906dd8d77f9c5657f9e017c75866b7a560fa2025746247c05112a18ff1b1615
