[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 master#cced03bfd61a304243a34504618ecec86c17063f for pr-154065-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraja-dettex%2Frusterine" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-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-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/raja-dettex/rusterine on toolchain cced03bfd61a304243a34504618ecec86c17063f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "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" "+cced03bfd61a304243a34504618ecec86c17063f" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc682274741c26ccf24a0b3b45ff5c080efb5aebdc81ad1700cd451e60643a7b
[INFO] running `Command { std: "docker" "start" "-a" "fc682274741c26ccf24a0b3b45ff5c080efb5aebdc81ad1700cd451e60643a7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc682274741c26ccf24a0b3b45ff5c080efb5aebdc81ad1700cd451e60643a7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc682274741c26ccf24a0b3b45ff5c080efb5aebdc81ad1700cd451e60643a7b", kill_on_drop: false }`
[INFO] [stdout] fc682274741c26ccf24a0b3b45ff5c080efb5aebdc81ad1700cd451e60643a7b
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e473ed9196bfa8914efe2566bf9e86f3af4bfbe0c0a09f304943cc8eedac4587
[INFO] running `Command { std: "docker" "start" "-a" "e473ed9196bfa8914efe2566bf9e86f3af4bfbe0c0a09f304943cc8eedac4587", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling virtue v0.0.18
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling unty v0.0.4
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling bincode_derive v2.0.1
[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 serde_json v1.0.140
[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 | ...:{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 | ..., 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 16.78s
[INFO] running `Command { std: "docker" "inspect" "e473ed9196bfa8914efe2566bf9e86f3af4bfbe0c0a09f304943cc8eedac4587", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e473ed9196bfa8914efe2566bf9e86f3af4bfbe0c0a09f304943cc8eedac4587", kill_on_drop: false }`
[INFO] [stdout] e473ed9196bfa8914efe2566bf9e86f3af4bfbe0c0a09f304943cc8eedac4587
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e248c0d85290d2c68556c3f2b21bff02dd75949c9ee5a7e8256d799b7e1d6cf
[INFO] running `Command { std: "docker" "start" "-a" "6e248c0d85290d2c68556c3f2b21bff02dd75949c9ee5a7e8256d799b7e1d6cf", 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 | ...:{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 | ..., 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 0.62s
[INFO] running `Command { std: "docker" "inspect" "6e248c0d85290d2c68556c3f2b21bff02dd75949c9ee5a7e8256d799b7e1d6cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e248c0d85290d2c68556c3f2b21bff02dd75949c9ee5a7e8256d799b7e1d6cf", kill_on_drop: false }`
[INFO] [stdout] 6e248c0d85290d2c68556c3f2b21bff02dd75949c9ee5a7e8256d799b7e1d6cf
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2558ebdcf8fd1fa89764b473c8a1659720eb3b2d5601314ca6715cff4a547b6a
[INFO] running `Command { std: "docker" "start" "-a" "2558ebdcf8fd1fa89764b473c8a1659720eb3b2d5601314ca6715cff4a547b6a", 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 | ...:{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 | ..., 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] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] running 1 test
[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 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rusterine-c549df29be38e984)
[INFO] [stderr] error: test failed, to rerun pass `--bin rusterine`
[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' (18) 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:     0x5da6c2a95198 - std[929523f510218772]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5da6c2a95198 - std[929523f510218772]::backtrace_rs::backtrace::trace_unsynchronized::<std[929523f510218772]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5da6c2a95198 - std[929523f510218772]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5da6c2a95198 - <<std[929523f510218772]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[28b146924c2f19c6]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5da6c2aa93ba - <core[28b146924c2f19c6]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5da6c2aa93ba - core[28b146924c2f19c6]::fmt::write
[INFO] [stdout]    6:     0x5da6c2a99ad2 - std[929523f510218772]::io::default_write_fmt::<alloc[95e62e727ddf147d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x5da6c2a99ad2 - <alloc[95e62e727ddf147d]::vec::Vec<u8> as std[929523f510218772]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x5da6c2a73166 - <std[929523f510218772]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5da6c2a73166 - std[929523f510218772]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5da6c2a8d0e9 - std[929523f510218772]::panicking::default_hook
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5da6c2a22a7c - <alloc[95e62e727ddf147d]::boxed::Box<dyn for<'a, 'b> core[28b146924c2f19c6]::ops::function::Fn<(&'a std[929523f510218772]::panic::PanicHookInfo<'b>,), Output = ()> + core[28b146924c2f19c6]::marker::Sync + core[28b146924c2f19c6]::marker::Send> as core[28b146924c2f19c6]::ops::function::Fn<(&std[929523f510218772]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   12:     0x5da6c2a22a7c - test[6ec0502068880816]::test_main_inner::<test[6ec0502068880816]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5da6c2a8d2a2 - <alloc[95e62e727ddf147d]::boxed::Box<dyn for<'a, 'b> core[28b146924c2f19c6]::ops::function::Fn<(&'a std[929523f510218772]::panic::PanicHookInfo<'b>,), Output = ()> + core[28b146924c2f19c6]::marker::Sync + core[28b146924c2f19c6]::marker::Send> as core[28b146924c2f19c6]::ops::function::Fn<(&std[929523f510218772]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   14:     0x5da6c2a8d2a2 - std[929523f510218772]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5da6c2a73222 - std[929523f510218772]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5da6c2a68349 - std[929523f510218772]::sys::backtrace::__rust_end_short_backtrace::<std[929523f510218772]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5da6c2a73f3d - __rustc[acf6043c977865fb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5da6c2aa9b4c - core[28b146924c2f19c6]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5da6c2aa98c2 - core[28b146924c2f19c6]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/result.rs:1872:5
[INFO] [stdout]   20:     0x5da6c2a047b2 - <core[28b146924c2f19c6]::result::Result<rusterine[237429c0963daac6]::journal::WAL, std[929523f510218772]::io::error::Error>>::unwrap
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x5da6c2a047b2 - rusterine[237429c0963daac6]::journal::test_wal
[INFO] [stdout]                                at /opt/rustwide/workdir/src/journal.rs:150:37
[INFO] [stdout]   22:     0x5da6c2a02ba7 - rusterine[237429c0963daac6]::journal::test_wal::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/journal.rs:149:18
[INFO] [stdout]   23:     0x5da6c2a05686 - <rusterine[237429c0963daac6]::journal::test_wal::{closure#0} as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5da6c2a15b5b - <fn() -> core[28b146924c2f19c6]::result::Result<(), alloc[95e62e727ddf147d]::string::String> as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5da6c2a15b5b - test[6ec0502068880816]::__rust_begin_short_backtrace::<core[28b146924c2f19c6]::result::Result<(), alloc[95e62e727ddf147d]::string::String>, fn() -> core[28b146924c2f19c6]::result::Result<(), alloc[95e62e727ddf147d]::string::String>>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/test/src/lib.rs:724:18
[INFO] [stdout]   26:     0x5da6c2a233d5 - test[6ec0502068880816]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/test/src/lib.rs:747:74
[INFO] [stdout]   27:     0x5da6c2a233d5 - <core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<test[6ec0502068880816]::run_test_in_process::{closure#0}> as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   28:     0x5da6c2a233d5 - std[929523f510218772]::panicking::catch_unwind::do_call::<core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<test[6ec0502068880816]::run_test_in_process::{closure#0}>, core[28b146924c2f19c6]::result::Result<(), alloc[95e62e727ddf147d]::string::String>>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x5da6c2a233d5 - std[929523f510218772]::panicking::catch_unwind::<core[28b146924c2f19c6]::result::Result<(), alloc[95e62e727ddf147d]::string::String>, core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<test[6ec0502068880816]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5da6c2a233d5 - std[929523f510218772]::panic::catch_unwind::<core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<test[6ec0502068880816]::run_test_in_process::{closure#0}>, core[28b146924c2f19c6]::result::Result<(), alloc[95e62e727ddf147d]::string::String>>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5da6c2a233d5 - test[6ec0502068880816]::run_test_in_process
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/test/src/lib.rs:747:27
[INFO] [stdout]   32:     0x5da6c2a233d5 - test[6ec0502068880816]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/test/src/lib.rs:668:43
[INFO] [stdout]   33:     0x5da6c2a1df34 - test[6ec0502068880816]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/test/src/lib.rs:698:41
[INFO] [stdout]   34:     0x5da6c2a1df34 - std[929523f510218772]::sys::backtrace::__rust_begin_short_backtrace::<test[6ec0502068880816]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x5da6c2a26452 - std[929523f510218772]::thread::lifecycle::spawn_unchecked::<test[6ec0502068880816]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   36:     0x5da6c2a26452 - <core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<std[929523f510218772]::thread::lifecycle::spawn_unchecked<test[6ec0502068880816]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   37:     0x5da6c2a26452 - std[929523f510218772]::panicking::catch_unwind::do_call::<core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<std[929523f510218772]::thread::lifecycle::spawn_unchecked<test[6ec0502068880816]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x5da6c2a26452 - std[929523f510218772]::panicking::catch_unwind::<(), core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<std[929523f510218772]::thread::lifecycle::spawn_unchecked<test[6ec0502068880816]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x5da6c2a26452 - std[929523f510218772]::panic::catch_unwind::<core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<std[929523f510218772]::thread::lifecycle::spawn_unchecked<test[6ec0502068880816]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5da6c2a26452 - std[929523f510218772]::thread::lifecycle::spawn_unchecked::<test[6ec0502068880816]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   41:     0x5da6c2a26452 - <std[929523f510218772]::thread::lifecycle::spawn_unchecked<test[6ec0502068880816]::run_test::{closure#1}, ()>::{closure#1} as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5da6c2a94aff - <alloc[95e62e727ddf147d]::boxed::Box<dyn core[28b146924c2f19c6]::ops::function::FnOnce<(), Output = ()> + core[28b146924c2f19c6]::marker::Send> as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/alloc/src/boxed.rs:2277:9
[INFO] [stdout]   43:     0x5da6c2a94aff - <std[929523f510218772]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x7c92b8bf8aa4 - <unknown>
[INFO] [stdout]   45:     0x7c92b8c85a64 - 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 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2558ebdcf8fd1fa89764b473c8a1659720eb3b2d5601314ca6715cff4a547b6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2558ebdcf8fd1fa89764b473c8a1659720eb3b2d5601314ca6715cff4a547b6a", kill_on_drop: false }`
[INFO] [stdout] 2558ebdcf8fd1fa89764b473c8a1659720eb3b2d5601314ca6715cff4a547b6a
