[INFO] cloning repository https://github.com/RyuAlize/sarari
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RyuAlize/sarari" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyuAlize%2Fsarari", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyuAlize%2Fsarari'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 46ca01d57d2ebd5d7a2bbc08bb7b0a163db3b880
[INFO] checking RyuAlize/sarari/46ca01d57d2ebd5d7a2bbc08bb7b0a163db3b880 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyuAlize%2Fsarari" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RyuAlize/sarari on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RyuAlize/sarari
[INFO] finished tweaking git repo https://github.com/RyuAlize/sarari
[INFO] tweaked toml for git repo https://github.com/RyuAlize/sarari written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/RyuAlize/sarari 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ce919467bd51fb88ddd598950c753e42e80c762087c994a3cd4f0009bd17051
[INFO] running `Command { std: "docker" "start" "-a" "7ce919467bd51fb88ddd598950c753e42e80c762087c994a3cd4f0009bd17051", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ce919467bd51fb88ddd598950c753e42e80c762087c994a3cd4f0009bd17051", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ce919467bd51fb88ddd598950c753e42e80c762087c994a3cd4f0009bd17051", kill_on_drop: false }`
[INFO] [stdout] 7ce919467bd51fb88ddd598950c753e42e80c762087c994a3cd4f0009bd17051
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86f25b07f076fcd21fad9472b7c1cac19a07fc8d064155439981c5e48f4cc5b3
[INFO] running `Command { std: "docker" "start" "-a" "86f25b07f076fcd21fad9472b7c1cac19a07fc8d064155439981c5e48f4cc5b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking sarari v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/server.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{Read, Write};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread::spawn`
[INFO] [stdout]  --> src/server.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::thread::spawn;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::TcpStream`
[INFO] [stdout]  --> src/error.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::net::TcpStream;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TcpStream` and `UdpSocket`
[INFO] [stdout]  --> src/virtual_file_sys/file_sys.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::net::{TcpStream, UdpSocket};
[INFO] [stdout]   |                ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize` and `Serialize`
[INFO] [stdout]  --> src/virtual_file_sys/file_sys.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | use serde::{Deserialize, Serialize};
[INFO] [stdout]   |             ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/virtual_file_sys/file_sys.rs:262:48
[INFO] [stdout]     |
[INFO] [stdout] 262 |         let data_block = vec![0u8; BLOCK_SIZE];;
[INFO] [stdout]     |                                                ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/virtual_file_sys/block.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FSError`
[INFO] [stdout]  --> src/client.rs:4:28
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::error::{Result, FSError};
[INFO] [stdout]   |                            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `mkdir` should have an upper camel case name
[INFO] [stdout]  --> src/command.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     mkdir,
[INFO] [stdout]   |     ^^^^^ help: convert the identifier to upper camel case: `Mkdir`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ls` should have an upper camel case name
[INFO] [stdout]  --> src/command.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     ls,
[INFO] [stdout]   |     ^^ help: convert the identifier to upper camel case: `Ls`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `cd` should have an upper camel case name
[INFO] [stdout]  --> src/command.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     cd,
[INFO] [stdout]   |     ^^ help: convert the identifier to upper camel case (notice the capitalization): `Cd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `home` should have an upper camel case name
[INFO] [stdout]  --> src/command.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     home,
[INFO] [stdout]   |     ^^^^ help: convert the identifier to upper camel case: `Home`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `rmdir` should have an upper camel case name
[INFO] [stdout]  --> src/command.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     rmdir,
[INFO] [stdout]   |     ^^^^^ help: convert the identifier to upper camel case: `Rmdir`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `create` should have an upper camel case name
[INFO] [stdout]   --> src/command.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     create,
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Create`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `append` should have an upper camel case name
[INFO] [stdout]   --> src/command.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     append,
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case: `Append`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `cat` should have an upper camel case name
[INFO] [stdout]   --> src/command.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     cat,
[INFO] [stdout]    |     ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Cat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `rm` should have an upper camel case name
[INFO] [stdout]   --> src/command.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     rm,
[INFO] [stdout]    |     ^^ help: convert the identifier to upper camel case: `Rm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[macro_use]` only has an effect on `extern crate` and modules
[INFO] [stdout]  --> src/virtual_file_sys/file_sys.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/server.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{Read, Write};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread::spawn`
[INFO] [stdout]  --> src/server.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::thread::spawn;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::TcpStream`
[INFO] [stdout]  --> src/error.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::net::TcpStream;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TcpStream` and `UdpSocket`
[INFO] [stdout]  --> src/virtual_file_sys/file_sys.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::net::{TcpStream, UdpSocket};
[INFO] [stdout]   |                ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize` and `Serialize`
[INFO] [stdout]  --> src/virtual_file_sys/file_sys.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | use serde::{Deserialize, Serialize};
[INFO] [stdout]   |             ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/virtual_file_sys/file_sys.rs:262:48
[INFO] [stdout]     |
[INFO] [stdout] 262 |         let data_block = vec![0u8; BLOCK_SIZE];;
[INFO] [stdout]     |                                                ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/virtual_file_sys/block.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FSError`
[INFO] [stdout]  --> src/client.rs:4:28
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::error::{Result, FSError};
[INFO] [stdout]   |                            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `mkdir` should have an upper camel case name
[INFO] [stdout]  --> src/command.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     mkdir,
[INFO] [stdout]   |     ^^^^^ help: convert the identifier to upper camel case: `Mkdir`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ls` should have an upper camel case name
[INFO] [stdout]  --> src/command.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     ls,
[INFO] [stdout]   |     ^^ help: convert the identifier to upper camel case: `Ls`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `cd` should have an upper camel case name
[INFO] [stdout]  --> src/command.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     cd,
[INFO] [stdout]   |     ^^ help: convert the identifier to upper camel case (notice the capitalization): `Cd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `home` should have an upper camel case name
[INFO] [stdout]  --> src/command.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     home,
[INFO] [stdout]   |     ^^^^ help: convert the identifier to upper camel case: `Home`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `rmdir` should have an upper camel case name
[INFO] [stdout]  --> src/command.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     rmdir,
[INFO] [stdout]   |     ^^^^^ help: convert the identifier to upper camel case: `Rmdir`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `create` should have an upper camel case name
[INFO] [stdout]   --> src/command.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     create,
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Create`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `append` should have an upper camel case name
[INFO] [stdout]   --> src/command.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     append,
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case: `Append`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `cat` should have an upper camel case name
[INFO] [stdout]   --> src/command.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     cat,
[INFO] [stdout]    |     ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Cat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `rm` should have an upper camel case name
[INFO] [stdout]   --> src/command.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     rm,
[INFO] [stdout]    |     ^^ help: convert the identifier to upper camel case: `Rm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[macro_use]` only has an effect on `extern crate` and modules
[INFO] [stdout]  --> src/virtual_file_sys/file_sys.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> src/server.rs:44:32
[INFO] [stdout]    |
[INFO] [stdout] 44 | ...                   Ok(res) => {},
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> src/server.rs:44:32
[INFO] [stdout]    |
[INFO] [stdout] 44 | ...                   Ok(res) => {},
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/virtual_file_sys/file_sys.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let mut working_dir = self.get_working_dir()?;
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/virtual_file_sys/file_sys.rs:104:13
[INFO] [stdout]     |
[INFO] [stdout] 104 |         let mut working_dir = self.get_working_dir()?;
[INFO] [stdout]     |             ----^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max_file_size`
[INFO] [stdout]    --> src/virtual_file_sys/file_sys.rs:166:13
[INFO] [stdout]     |
[INFO] [stdout] 166 |         let max_file_size = BLOCK_SIZE * BLOCK_SIZE;
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_file_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entry`
[INFO] [stdout]    --> src/virtual_file_sys/file_sys.rs:168:21
[INFO] [stdout]     |
[INFO] [stdout] 168 |         if let Some(entry) = working_dir.get_dir_inode_entries()
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/virtual_file_sys/file_sys.rs:167:13
[INFO] [stdout]     |
[INFO] [stdout] 167 |         let mut working_dir = self.get_working_dir()?;
[INFO] [stdout]     |             ----^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entry`
[INFO] [stdout]    --> src/virtual_file_sys/file_sys.rs:189:21
[INFO] [stdout]     |
[INFO] [stdout] 189 |         if let Some(entry) = working_dir.get_dir_inode_entries()
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dir`
[INFO] [stdout]    --> src/virtual_file_sys/file_sys.rs:261:13
[INFO] [stdout]     |
[INFO] [stdout] 261 |         let dir = bincode::deserialize::<DirBlock>(&buf)?;
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_dir`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `disk`
[INFO] [stdout]   --> src/virtual_file_sys/disk.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let disk = Disk::mount("Disk")?;
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_disk`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stdout`
[INFO] [stdout]   --> src/client.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let mut stdout = io::stdout();
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stdout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stdin`
[INFO] [stdout]   --> src/client.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 |         let mut stdin = io::stdin();
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_stdin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/client.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let mut stdout = io::stdout();
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/client.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |         let mut stdin = io::stdin();
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/client.rs:41:29
[INFO] [stdout]    |
[INFO] [stdout] 41 |                         Err(e) => {self.stdout.write_all(b"Command error, use \"--help\" to see help.")?;}
[INFO] [stdout]    |                             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/virtual_file_sys/file_sys.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let mut working_dir = self.get_working_dir()?;
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/command.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut cmd;
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/command.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let mut parameter;
[INFO] [stdout]    |         ----^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/virtual_file_sys/file_sys.rs:104:13
[INFO] [stdout]     |
[INFO] [stdout] 104 |         let mut working_dir = self.get_working_dir()?;
[INFO] [stdout]     |             ----^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max_file_size`
[INFO] [stdout]    --> src/virtual_file_sys/file_sys.rs:166:13
[INFO] [stdout]     |
[INFO] [stdout] 166 |         let max_file_size = BLOCK_SIZE * BLOCK_SIZE;
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_file_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entry`
[INFO] [stdout]    --> src/virtual_file_sys/file_sys.rs:168:21
[INFO] [stdout]     |
[INFO] [stdout] 168 |         if let Some(entry) = working_dir.get_dir_inode_entries()
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/virtual_file_sys/file_sys.rs:167:13
[INFO] [stdout]     |
[INFO] [stdout] 167 |         let mut working_dir = self.get_working_dir()?;
[INFO] [stdout]     |             ----^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NFServer` is never constructed
[INFO] [stdout]  --> src/server.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct NFServer {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `bind`, `run`, and `handle_stream` are never used
[INFO] [stdout]   --> src/server.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl NFServer {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] 15 |     pub fn bind<A: ToSocketAddrs>(address: A) -> Result<Self>{
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn run(&self) -> Result<()>{
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn handle_stream(&self, mut stream: TcpStream) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/server.rs:84:4
[INFO] [stdout]    |
[INFO] [stdout] 84 | fn main() ->Result<()>{
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entry`
[INFO] [stdout]    --> src/virtual_file_sys/file_sys.rs:189:21
[INFO] [stdout]     |
[INFO] [stdout] 189 |         if let Some(entry) = working_dir.get_dir_inode_entries()
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `CmdParseError`, `NotDirError`, `FileNameTooLongError`, and `DirNotEmptyError` are never constructed
[INFO] [stdout]   --> src/error.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub enum FSError {
[INFO] [stdout]    |          ------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 9  |     CmdParseError,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     NotDirError,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     FileNameTooLongError,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     DirNotEmptyError,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FSError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `remove_block`, `has_free_block`, and `destroy` are never used
[INFO] [stdout]    --> src/virtual_file_sys/inode.rs:115:12
[INFO] [stdout]     |
[INFO] [stdout] 40  | impl FileInode {
[INFO] [stdout]     | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 115 |     pub fn remove_block(&mut self, wrapped_file_sys: &WrappedFileSys, block: &DataBlock) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 142 |     pub fn has_free_block(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 150 |     pub fn destroy(self, wrapped_file_sys: &WrappedFileSys) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `write_and_set_raw_block`, `get_num_entries`, `remove_file_entry`, `remove_dir_entry`, and `destroy` are never used
[INFO] [stdout]    --> src/virtual_file_sys/inode.rs:223:12
[INFO] [stdout]     |
[INFO] [stdout] 169 | impl DirInode {
[INFO] [stdout]     | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 223 |     pub fn write_and_set_raw_block(&self, wrapped_file_sys: &WrappedFileSys, tmp_raw: DirBlock) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 229 |     pub fn get_num_entries(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 273 |     pub fn remove_file_entry(&mut self, wrapped_file_sys: &WrappedFileSys, block_id: usize) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 288 |     pub fn remove_dir_entry(&mut self, wrapped_file_sys: &WrappedFileSys, block_id: usize) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 307 |     pub fn destroy(self, wrapped_file_sys: &WrappedFileSys) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `unmount`, `home`, `rmdir`, and `rm` are never used
[INFO] [stdout]    --> src/virtual_file_sys/file_sys.rs:28:12
[INFO] [stdout]     |
[INFO] [stdout] 17  | impl FileSys {
[INFO] [stdout]     | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 28  |     pub fn unmount(self){
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56  |     pub fn home(&mut self) -> Result<()>{
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62  |     pub fn rmdir(&self, name: [u8; MAX_FNAME_SIZE]) -> Result<()>{
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 187 |     pub fn rm(&mut self, name: [u8; MAX_FNAME_SIZE]) -> Result<()> {
[INFO] [stdout]     |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `into_inner` is never used
[INFO] [stdout]    --> src/virtual_file_sys/file_sys.rs:239:12
[INFO] [stdout]     |
[INFO] [stdout] 230 | impl WrappedFileSys {
[INFO] [stdout]     | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 239 |     pub fn into_inner(self) -> BasicFileSys {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `unmount` is never used
[INFO] [stdout]    --> src/virtual_file_sys/file_sys.rs:269:12
[INFO] [stdout]     |
[INFO] [stdout] 248 | impl BasicFileSys {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 269 |     pub fn unmount(self) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_FILE_SIZE` is never used
[INFO] [stdout]   --> src/virtual_file_sys/block.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub const MAX_FILE_SIZE: usize    = MAX_DATA_BLOCKS * BLOCK_SIZE;
[INFO] [stdout]    |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `destroy` is never used
[INFO] [stdout]   --> src/virtual_file_sys/block.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl DataBlock {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub fn destroy(self, wrapped_file_sys: &WrappedFileSys) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_bytes` is never used
[INFO] [stdout]   --> src/virtual_file_sys/block.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub trait BlockBinary {
[INFO] [stdout]    |           ----------- associated function in this trait
[INFO] [stdout] ...
[INFO] [stdout] 72 |     fn from_bytes(block_data: &[u8]) -> Result<Self> where Self: Sized;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `unmount` is never used
[INFO] [stdout]   --> src/virtual_file_sys/disk.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Disk {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn unmount(self) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Shell` is never constructed
[INFO] [stdout]  --> src/client.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Shell{
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `connect`, `run`, and `help` are never used
[INFO] [stdout]   --> src/client.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Shell {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 13 |     pub fn connect<A: ToSocketAddrs>(address: A) -> Result<Self> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn run(mut self) -> Result<()> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     pub fn help(&self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/client.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn main() -> Result<()>{
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_from_string` is never used
[INFO] [stdout]   --> src/command.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn parse_from_string(buf: String) -> Result<Command> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dir`
[INFO] [stdout]    --> src/virtual_file_sys/file_sys.rs:261:13
[INFO] [stdout]     |
[INFO] [stdout] 261 |         let dir = bincode::deserialize::<DirBlock>(&buf)?;
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_dir`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/server.rs:86:5
[INFO] [stdout]    |
[INFO] [stdout] 86 |     nfs.run();
[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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let _ = nfs.run();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/virtual_file_sys/inode.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |         wrapped_file_sys.file_sys().reclaim_block(self.id);
[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] 151 |         let _ = wrapped_file_sys.file_sys().reclaim_block(self.id);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/virtual_file_sys/inode.rs:308:9
[INFO] [stdout]     |
[INFO] [stdout] 308 |         wrapped_file_sys.file_sys().reclaim_block(self.id);
[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] 308 |         let _ = wrapped_file_sys.file_sys().reclaim_block(self.id);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stdout`
[INFO] [stdout]   --> src/client.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let mut stdout = io::stdout();
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stdout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stdin`
[INFO] [stdout]   --> src/client.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 |         let mut stdin = io::stdin();
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_stdin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/client.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let mut stdout = io::stdout();
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/client.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |         let mut stdin = io::stdin();
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/client.rs:41:29
[INFO] [stdout]    |
[INFO] [stdout] 41 |                         Err(e) => {self.stdout.write_all(b"Command error, use \"--help\" to see help.")?;}
[INFO] [stdout]    |                             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/virtual_file_sys/file_sys.rs:260:9
[INFO] [stdout]     |
[INFO] [stdout] 260 |         disk.read_block(1, &mut buf);
[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] 260 |         let _ = disk.read_block(1, &mut buf);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/virtual_file_sys/file_sys.rs:264:13
[INFO] [stdout]     |
[INFO] [stdout] 264 |             disk.write_block(i, &data_block);
[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] 264 |             let _ = disk.write_block(i, &data_block);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/virtual_file_sys/file_sys.rs:275:9
[INFO] [stdout]     |
[INFO] [stdout] 275 |         self.disk.read_block(0,&mut super_block);
[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] 275 |         let _ = self.disk.read_block(0,&mut super_block);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/virtual_file_sys/file_sys.rs:283:25
[INFO] [stdout]     |
[INFO] [stdout] 283 |                         self.disk.write_block(0, &super_block);
[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] 283 |                         let _ = self.disk.write_block(0, &super_block);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/virtual_file_sys/block.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         wrapped_file_sys.file_sys().reclaim_block(self.id);
[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] 46 |         let _ = wrapped_file_sys.file_sys().reclaim_block(self.id);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/command.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut cmd;
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/command.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let mut parameter;
[INFO] [stdout]    |         ----^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 59 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NFServer` is never constructed
[INFO] [stdout]  --> src/server.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct NFServer {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `bind`, `run`, and `handle_stream` are never used
[INFO] [stdout]   --> src/server.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl NFServer {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] 15 |     pub fn bind<A: ToSocketAddrs>(address: A) -> Result<Self>{
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn run(&self) -> Result<()>{
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn handle_stream(&self, mut stream: TcpStream) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/server.rs:84:4
[INFO] [stdout]    |
[INFO] [stdout] 84 | fn main() ->Result<()>{
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `CmdParseError`, `NotDirError`, `FileNameTooLongError`, and `DirNotEmptyError` are never constructed
[INFO] [stdout]   --> src/error.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub enum FSError {
[INFO] [stdout]    |          ------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 9  |     CmdParseError,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     NotDirError,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     FileNameTooLongError,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     DirNotEmptyError,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FSError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `remove_block`, `has_free_block`, and `destroy` are never used
[INFO] [stdout]    --> src/virtual_file_sys/inode.rs:115:12
[INFO] [stdout]     |
[INFO] [stdout] 40  | impl FileInode {
[INFO] [stdout]     | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 115 |     pub fn remove_block(&mut self, wrapped_file_sys: &WrappedFileSys, block: &DataBlock) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 142 |     pub fn has_free_block(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 150 |     pub fn destroy(self, wrapped_file_sys: &WrappedFileSys) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `write_and_set_raw_block`, `get_num_entries`, `remove_file_entry`, `remove_dir_entry`, and `destroy` are never used
[INFO] [stdout]    --> src/virtual_file_sys/inode.rs:223:12
[INFO] [stdout]     |
[INFO] [stdout] 169 | impl DirInode {
[INFO] [stdout]     | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 223 |     pub fn write_and_set_raw_block(&self, wrapped_file_sys: &WrappedFileSys, tmp_raw: DirBlock) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 229 |     pub fn get_num_entries(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 273 |     pub fn remove_file_entry(&mut self, wrapped_file_sys: &WrappedFileSys, block_id: usize) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 288 |     pub fn remove_dir_entry(&mut self, wrapped_file_sys: &WrappedFileSys, block_id: usize) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 307 |     pub fn destroy(self, wrapped_file_sys: &WrappedFileSys) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `unmount`, `home`, `rmdir`, and `rm` are never used
[INFO] [stdout]    --> src/virtual_file_sys/file_sys.rs:28:12
[INFO] [stdout]     |
[INFO] [stdout] 17  | impl FileSys {
[INFO] [stdout]     | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 28  |     pub fn unmount(self){
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56  |     pub fn home(&mut self) -> Result<()>{
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62  |     pub fn rmdir(&self, name: [u8; MAX_FNAME_SIZE]) -> Result<()>{
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 187 |     pub fn rm(&mut self, name: [u8; MAX_FNAME_SIZE]) -> Result<()> {
[INFO] [stdout]     |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `into_inner` is never used
[INFO] [stdout]    --> src/virtual_file_sys/file_sys.rs:239:12
[INFO] [stdout]     |
[INFO] [stdout] 230 | impl WrappedFileSys {
[INFO] [stdout]     | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 239 |     pub fn into_inner(self) -> BasicFileSys {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `unmount` is never used
[INFO] [stdout]    --> src/virtual_file_sys/file_sys.rs:269:12
[INFO] [stdout]     |
[INFO] [stdout] 248 | impl BasicFileSys {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 269 |     pub fn unmount(self) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_FILE_SIZE` is never used
[INFO] [stdout]   --> src/virtual_file_sys/block.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub const MAX_FILE_SIZE: usize    = MAX_DATA_BLOCKS * BLOCK_SIZE;
[INFO] [stdout]    |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `destroy` is never used
[INFO] [stdout]   --> src/virtual_file_sys/block.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl DataBlock {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub fn destroy(self, wrapped_file_sys: &WrappedFileSys) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_bytes` is never used
[INFO] [stdout]   --> src/virtual_file_sys/block.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub trait BlockBinary {
[INFO] [stdout]    |           ----------- associated function in this trait
[INFO] [stdout] ...
[INFO] [stdout] 72 |     fn from_bytes(block_data: &[u8]) -> Result<Self> where Self: Sized;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `unmount` is never used
[INFO] [stdout]   --> src/virtual_file_sys/disk.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Disk {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn unmount(self) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Shell` is never constructed
[INFO] [stdout]  --> src/client.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Shell{
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `connect`, `run`, and `help` are never used
[INFO] [stdout]   --> src/client.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Shell {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 13 |     pub fn connect<A: ToSocketAddrs>(address: A) -> Result<Self> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn run(mut self) -> Result<()> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     pub fn help(&self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/client.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn main() -> Result<()>{
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_from_string` is never used
[INFO] [stdout]   --> src/command.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn parse_from_string(buf: String) -> Result<Command> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/server.rs:86:5
[INFO] [stdout]    |
[INFO] [stdout] 86 |     nfs.run();
[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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let _ = nfs.run();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/virtual_file_sys/inode.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |         wrapped_file_sys.file_sys().reclaim_block(self.id);
[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] 151 |         let _ = wrapped_file_sys.file_sys().reclaim_block(self.id);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/virtual_file_sys/inode.rs:308:9
[INFO] [stdout]     |
[INFO] [stdout] 308 |         wrapped_file_sys.file_sys().reclaim_block(self.id);
[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] 308 |         let _ = wrapped_file_sys.file_sys().reclaim_block(self.id);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/virtual_file_sys/file_sys.rs:260:9
[INFO] [stdout]     |
[INFO] [stdout] 260 |         disk.read_block(1, &mut buf);
[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] 260 |         let _ = disk.read_block(1, &mut buf);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/virtual_file_sys/file_sys.rs:264:13
[INFO] [stdout]     |
[INFO] [stdout] 264 |             disk.write_block(i, &data_block);
[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] 264 |             let _ = disk.write_block(i, &data_block);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/virtual_file_sys/file_sys.rs:275:9
[INFO] [stdout]     |
[INFO] [stdout] 275 |         self.disk.read_block(0,&mut super_block);
[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] 275 |         let _ = self.disk.read_block(0,&mut super_block);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/virtual_file_sys/file_sys.rs:283:25
[INFO] [stdout]     |
[INFO] [stdout] 283 |                         self.disk.write_block(0, &super_block);
[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] 283 |                         let _ = self.disk.write_block(0, &super_block);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/virtual_file_sys/block.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         wrapped_file_sys.file_sys().reclaim_block(self.id);
[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] 46 |         let _ = wrapped_file_sys.file_sys().reclaim_block(self.id);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 58 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.31s
[INFO] running `Command { std: "docker" "inspect" "86f25b07f076fcd21fad9472b7c1cac19a07fc8d064155439981c5e48f4cc5b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86f25b07f076fcd21fad9472b7c1cac19a07fc8d064155439981c5e48f4cc5b3", kill_on_drop: false }`
[INFO] [stdout] 86f25b07f076fcd21fad9472b7c1cac19a07fc8d064155439981c5e48f4cc5b3