[INFO] cloning repository https://github.com/MishaChavarha/SimpleRustDB [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MishaChavarha/SimpleRustDB" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMishaChavarha%2FSimpleRustDB", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMishaChavarha%2FSimpleRustDB'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7b3884573a096579a975d1a4be3f3d77784ff935 [INFO] checking MishaChavarha/SimpleRustDB against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMishaChavarha%2FSimpleRustDB" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/MishaChavarha/SimpleRustDB on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/MishaChavarha/SimpleRustDB [INFO] finished tweaking git repo https://github.com/MishaChavarha/SimpleRustDB [INFO] tweaked toml for git repo https://github.com/MishaChavarha/SimpleRustDB written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/MishaChavarha/SimpleRustDB already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded async-trait v0.1.41 [INFO] [stderr] Downloaded async-io v1.2.0 [INFO] [stderr] Downloaded async-std v1.7.0 [INFO] [stderr] Downloaded mkdirp v1.0.0 [INFO] [stderr] Downloaded random-access-disk v2.0.0 [INFO] [stderr] Downloaded random-access-storage v4.0.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5ddfbc1c82c4034b2c0b820f550fea23651cf046dda43429dc712c66239e0554 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "5ddfbc1c82c4034b2c0b820f550fea23651cf046dda43429dc712c66239e0554", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5ddfbc1c82c4034b2c0b820f550fea23651cf046dda43429dc712c66239e0554", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5ddfbc1c82c4034b2c0b820f550fea23651cf046dda43429dc712c66239e0554", kill_on_drop: false }` [INFO] [stdout] 5ddfbc1c82c4034b2c0b820f550fea23651cf046dda43429dc712c66239e0554 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 22cb573a5e30749739e75ba0df2625fc3fdd201fcf75c1c5f3970cbfebcbe5e5 [INFO] running `Command { std: "docker" "start" "-a" "22cb573a5e30749739e75ba0df2625fc3fdd201fcf75c1c5f3970cbfebcbe5e5", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Checking futures-core v0.3.8 [INFO] [stderr] Checking futures-io v0.3.8 [INFO] [stderr] Compiling syn v1.0.48 [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Compiling const_fn v0.4.3 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking futures-sink v0.3.8 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling anyhow v1.0.34 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking mkdirp v1.0.0 [INFO] [stderr] Checking futures-task v0.3.8 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Checking futures-channel v0.3.8 [INFO] [stderr] Checking async-channel v1.5.1 [INFO] [stderr] Compiling crossbeam-utils v0.8.0 [INFO] [stderr] Checking futures-lite v1.11.2 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking kv-log-macro v1.0.7 [INFO] [stderr] Checking polling v2.0.2 [INFO] [stderr] Checking nb-connect v1.0.2 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking positioned-io-preview v0.3.3 [INFO] [stderr] Checking async-executor v1.4.0 [INFO] [stderr] Checking async-io v1.2.0 [INFO] [stderr] Checking blocking v1.0.2 [INFO] [stderr] Checking async-global-executor v1.4.3 [INFO] [stderr] Checking async-std v1.7.0 [INFO] [stderr] Compiling pin-project-internal v1.0.2 [INFO] [stderr] Compiling futures-macro v0.3.8 [INFO] [stderr] Compiling async-trait v0.1.41 [INFO] [stderr] Checking random-access-storage v4.0.0 [INFO] [stderr] Checking random-access-disk v2.0.0 [INFO] [stderr] Checking pin-project v1.0.2 [INFO] [stderr] Checking futures-util v0.3.8 [INFO] [stderr] Checking futures-executor v0.3.8 [INFO] [stderr] Checking futures v0.3.8 [INFO] [stderr] Checking simple_rust_db v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `fs::OpenOptions` [INFO] [stdout] --> src/application/file_manager.rs:8:11 [INFO] [stdout] | [INFO] [stdout] 8 | use std::{fs::OpenOptions, io::Result}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/application/file_manager.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::path::PathBuf` [INFO] [stdout] --> src/application/file_manager.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::path::PathBuf; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/application/file_manager.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/application/file_manager.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::path::Path` [INFO] [stdout] --> src/application/file_manager.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use std::path::Path; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `random_access_disk::RandomAccessDisk` [INFO] [stdout] --> src/application/file_manager.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | use random_access_disk::RandomAccessDisk; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::WORK_DIR` [INFO] [stdout] --> src/application/file_manager.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | use super::WORK_DIR; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Arc`, `Mutex` [INFO] [stdout] --> src/application/log_manager.rs:1:17 [INFO] [stdout] | [INFO] [stdout] 1 | use std::sync::{Arc, Mutex}; [INFO] [stdout] | ^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Result` [INFO] [stdout] --> src/application/log_manager.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `FileManager`, `block::Block`, `page::Page` [INFO] [stdout] --> src/application/log_manager.rs:4:27 [INFO] [stdout] | [INFO] [stdout] 4 | use super::file_manager::{block::Block, FileManager, page::Page}; [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Arc`, `Mutex`, `io::*` [INFO] [stdout] --> src/application.rs:6:11 [INFO] [stdout] | [INFO] [stdout] 6 | use std::{io::*, sync::{Arc, Mutex}}; [INFO] [stdout] | ^^^^^ ^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `file_manager::FileManager`, `log_manager::LogManager` [INFO] [stdout] --> src/application.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | use self::{file_manager::FileManager, log_manager::LogManager}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `fs::OpenOptions` [INFO] [stdout] --> src/application/file_manager.rs:8:11 [INFO] [stdout] | [INFO] [stdout] 8 | use std::{fs::OpenOptions, io::Result}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/application/file_manager.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::path::PathBuf` [INFO] [stdout] --> src/application/file_manager.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::path::PathBuf; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/application/file_manager.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/application/file_manager.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::path::Path` [INFO] [stdout] --> src/application/file_manager.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use std::path::Path; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `random_access_disk::RandomAccessDisk` [INFO] [stdout] --> src/application/file_manager.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | use random_access_disk::RandomAccessDisk; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::WORK_DIR` [INFO] [stdout] --> src/application/file_manager.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | use super::WORK_DIR; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `fs` [INFO] [stdout] --> src/application/file_manager.rs:90:30 [INFO] [stdout] | [INFO] [stdout] 90 | use std::{path::PathBuf, fs}; [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Arc`, `Mutex` [INFO] [stdout] --> src/application/log_manager.rs:1:17 [INFO] [stdout] | [INFO] [stdout] 1 | use std::sync::{Arc, Mutex}; [INFO] [stdout] | ^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Result` [INFO] [stdout] --> src/application/log_manager.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `FileManager`, `block::Block`, `page::Page` [INFO] [stdout] --> src/application/log_manager.rs:4:27 [INFO] [stdout] | [INFO] [stdout] 4 | use super::file_manager::{block::Block, FileManager, page::Page}; [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Arc`, `Mutex`, `io::*` [INFO] [stdout] --> src/application.rs:6:11 [INFO] [stdout] | [INFO] [stdout] 6 | use std::{io::*, sync::{Arc, Mutex}}; [INFO] [stdout] | ^^^^^ ^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `file_manager::FileManager`, `log_manager::LogManager` [INFO] [stdout] --> src/application.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | use self::{file_manager::FileManager, log_manager::LogManager}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io` [INFO] [stdout] --> src/application/file_manager.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use std::io::*; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `raf` [INFO] [stdout] --> src/application/file_manager/storage.rs:103:13 [INFO] [stdout] | [INFO] [stdout] 103 | let raf = self.storage.get(file).unwrap(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_raf` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `raf` [INFO] [stdout] --> src/application/file_manager/storage.rs:126:13 [INFO] [stdout] | [INFO] [stdout] 126 | let raf = self.storage.get(file).unwrap(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_raf` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function cannot return without recursing [INFO] [stdout] --> src/application/file_manager.rs:71:5 [INFO] [stdout] | [INFO] [stdout] 71 | pub fn length(&self, file:&str) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing [INFO] [stdout] 72 | [INFO] [stdout] 73 | self.length(file) [INFO] [stdout] | ----------------- recursive call site [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unconditional_recursion)]` on by default [INFO] [stdout] = help: a `loop` may express intention better if this is on purpose [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/application/file_manager/page.rs:12:16 [INFO] [stdout] | [INFO] [stdout] 12 | pub fn new(buffer_size: u64) -> Page{ [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `buffer` [INFO] [stdout] --> src/application/file_manager/page.rs:20:16 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn buffer(&mut self) -> &mut [u8]{ [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `write_int` [INFO] [stdout] --> src/application/file_manager/page.rs:26:16 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn write_int(&mut self, offset: u64, data: i32) -> Result<()>{ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `read_int` [INFO] [stdout] --> src/application/file_manager/page.rs:33:16 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn read_int(&mut self, offset: u64) -> Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `write_bytes` [INFO] [stdout] --> src/application/file_manager/page.rs:40:16 [INFO] [stdout] | [INFO] [stdout] 40 | pub fn write_bytes(&mut self, offset: u64, data: &[u8]) -> Result<()>{ [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `read_bytes` [INFO] [stdout] --> src/application/file_manager/page.rs:50:16 [INFO] [stdout] | [INFO] [stdout] 50 | pub fn read_bytes(&mut self, offset: u64) -> Result<&[u8]>{ [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/application/file_manager/block.rs:9:16 [INFO] [stdout] | [INFO] [stdout] 9 | pub fn new(file: &str, id: u64) -> Block { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `id` [INFO] [stdout] --> src/application/file_manager/block.rs:16:16 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn id(&self) -> u64{ [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `file` [INFO] [stdout] --> src/application/file_manager/block.rs:20:16 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn file(&self) -> &str{ [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `length` [INFO] [stdout] --> src/application/file_manager/storage.rs:90:20 [INFO] [stdout] | [INFO] [stdout] 90 | pub (super) fn length(&mut self,file:&str) -> Result{ [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static is never used: `WORK_DIR` [INFO] [stdout] --> src/application.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | static WORK_DIR: &str = "Database"; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static is never used: `BLOCK_SIZE` [INFO] [stdout] --> src/application.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | static BLOCK_SIZE: u64 = 500; // bytes [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Application` [INFO] [stdout] --> src/application.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | struct Application { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io` [INFO] [stdout] --> src/application/file_manager.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use std::io::*; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `raf` [INFO] [stdout] --> src/application/file_manager/storage.rs:103:13 [INFO] [stdout] | [INFO] [stdout] 103 | let raf = self.storage.get(file).unwrap(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_raf` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `raf` [INFO] [stdout] --> src/application/file_manager/storage.rs:126:13 [INFO] [stdout] | [INFO] [stdout] 126 | let raf = self.storage.get(file).unwrap(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_raf` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function cannot return without recursing [INFO] [stdout] --> src/application/file_manager.rs:71:5 [INFO] [stdout] | [INFO] [stdout] 71 | pub fn length(&self, file:&str) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing [INFO] [stdout] 72 | [INFO] [stdout] 73 | self.length(file) [INFO] [stdout] | ----------------- recursive call site [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unconditional_recursion)]` on by default [INFO] [stdout] = help: a `loop` may express intention better if this is on purpose [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/application/file_manager.rs:119:13 [INFO] [stdout] | [INFO] [stdout] 119 | let mut fm = FileManager::new(db_dir.as_path().to_str().unwrap(),BLOCK_SIZE).unwrap(); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/application/file_manager/storage.rs:61:9 [INFO] [stdout] | [INFO] [stdout] 61 | raf.read_at(offset*self.block_size, buffer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/application/file_manager/storage.rs:83:9 [INFO] [stdout] | [INFO] [stdout] 83 | raf.write_at(offset*self.block_size, buffer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 32 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `buffer` [INFO] [stdout] --> src/application/file_manager/page.rs:20:16 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn buffer(&mut self) -> &mut [u8]{ [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `id` [INFO] [stdout] --> src/application/file_manager/block.rs:16:16 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn id(&self) -> u64{ [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `file` [INFO] [stdout] --> src/application/file_manager/block.rs:20:16 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn file(&self) -> &str{ [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `length` [INFO] [stdout] --> src/application/file_manager/storage.rs:90:20 [INFO] [stdout] | [INFO] [stdout] 90 | pub (super) fn length(&mut self,file:&str) -> Result{ [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static is never used: `BLOCK_SIZE` [INFO] [stdout] --> src/application.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | static BLOCK_SIZE: u64 = 500; // bytes [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Application` [INFO] [stdout] --> src/application.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | struct Application { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/application/file_manager/storage.rs:61:9 [INFO] [stdout] | [INFO] [stdout] 61 | raf.read_at(offset*self.block_size, buffer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/application/file_manager/storage.rs:83:9 [INFO] [stdout] | [INFO] [stdout] 83 | raf.write_at(offset*self.block_size, buffer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 27 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 36.17s [INFO] running `Command { std: "docker" "inspect" "22cb573a5e30749739e75ba0df2625fc3fdd201fcf75c1c5f3970cbfebcbe5e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "22cb573a5e30749739e75ba0df2625fc3fdd201fcf75c1c5f3970cbfebcbe5e5", kill_on_drop: false }` [INFO] [stdout] 22cb573a5e30749739e75ba0df2625fc3fdd201fcf75c1c5f3970cbfebcbe5e5