[INFO] fetching crate infsprogs 0.1.3...
[INFO] checking infsprogs-0.1.3 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] extracting crate infsprogs 0.1.3 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate infsprogs 0.1.3
[INFO] finished tweaking crates.io crate infsprogs 0.1.3
[INFO] tweaked toml for crates.io crate infsprogs 0.1.3 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate infsprogs 0.1.3 on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate infsprogs 0.1.3 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xterm-js-rs v0.1.2
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e31b36d9f53e0c9fd6f4fc0db2ee37a897a77938ae690a1c532e3ef8b23295e
[INFO] running `Command { std: "docker" "start" "-a" "2e31b36d9f53e0c9fd6f4fc0db2ee37a897a77938ae690a1c532e3ef8b23295e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e31b36d9f53e0c9fd6f4fc0db2ee37a897a77938ae690a1c532e3ef8b23295e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e31b36d9f53e0c9fd6f4fc0db2ee37a897a77938ae690a1c532e3ef8b23295e", kill_on_drop: false }`
[INFO] [stdout] 2e31b36d9f53e0c9fd6f4fc0db2ee37a897a77938ae690a1c532e3ef8b23295e
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24f897ec3bc2d2c9e3962acc85e047aea925791b621aedea530488392478c799
[INFO] running `Command { std: "docker" "start" "-a" "24f897ec3bc2d2c9e3962acc85e047aea925791b621aedea530488392478c799", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.89
[INFO] [stderr]    Compiling bumpalo v3.14.0
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling wasm-bindgen v0.2.89
[INFO] [stderr]     Checking anstream v0.6.5
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.32
[INFO] [stderr]     Checking clap_builder v4.4.12
[INFO] [stderr]     Checking const_format v0.2.32
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.89
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.89
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.89
[INFO] [stderr]     Checking clap v4.4.13
[INFO] [stderr]     Checking js-sys v0.3.66
[INFO] [stderr]     Checking web-sys v0.3.66
[INFO] [stderr]     Checking xterm-js-rs v0.1.2
[INFO] [stderr]     Checking infsprogs v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::vfs::VirtualFileSystem`
[INFO] [stdout]  --> src/vfs/futils.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::vfs::VirtualFileSystem;
[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: `crate::vfs::VirtualFileSystem`
[INFO] [stdout]  --> src/vfs/futils.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::vfs::VirtualFileSystem;
[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 variable: `fd`
[INFO] [stdout]   --> src/vfs/dummyfs.rs:13:34
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn get_fd(&self, inode: u32, fd: u32) -> Option<Box<dyn VirtualFileDescriptor>> {
[INFO] [stdout]    |                                  ^^ help: if this is intentional, prefix it with an underscore: `_fd`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inode`
[INFO] [stdout]   --> src/vfs/dummyfs.rs:20:31
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn delete_file(&mut self, inode: u32, dir_inode: u32) -> VfsResult {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_inode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dir_inode`
[INFO] [stdout]   --> src/vfs/dummyfs.rs:20:43
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn delete_file(&mut self, inode: u32, dir_inode: u32) -> VfsResult {
[INFO] [stdout]    |                                           ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dir_inode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dir_inode`
[INFO] [stdout]   --> src/vfs/dummyfs.rs:23:31
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn create_file(&mut self, dir_inode: u32, filename: String, data: &[u8]) -> Option<u32> {
[INFO] [stdout]    |                               ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dir_inode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filename`
[INFO] [stdout]   --> src/vfs/dummyfs.rs:23:47
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn create_file(&mut self, dir_inode: u32, filename: String, data: &[u8]) -> Option<u32> {
[INFO] [stdout]    |                                               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filename`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/vfs/dummyfs.rs:23:65
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn create_file(&mut self, dir_inode: u32, filename: String, data: &[u8]) -> Option<u32> {
[INFO] [stdout]    |                                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parent_inode`
[INFO] [stdout]   --> src/vfs/dummyfs.rs:26:36
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn create_directory(&mut self, parent_inode: u32, name: String) -> Option<u32> {
[INFO] [stdout]    |                                    ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parent_inode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/vfs/dummyfs.rs:26:55
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn create_directory(&mut self, parent_inode: u32, name: String) -> Option<u32> {
[INFO] [stdout]    |                                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fd`
[INFO] [stdout]   --> src/vfs/dummyfs.rs:84:34
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn write_in_place(&mut self, fd: &mut Box<dyn VirtualFileDescriptor>, buf: &[u8]) -> VfsResult {
[INFO] [stdout]    |                                  ^^ help: if this is intentional, prefix it with an underscore: `_fd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> src/vfs/dummyfs.rs:84:75
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn write_in_place(&mut self, fd: &mut Box<dyn VirtualFileDescriptor>, buf: &[u8]) -> VfsResult {
[INFO] [stdout]    |                                                                           ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fd`
[INFO] [stdout]   --> src/vfs/dummyfs.rs:87:29
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn overwrite(&mut self, fd: &mut Box<dyn VirtualFileDescriptor>, buf: &[u8]) -> VfsResult {
[INFO] [stdout]    |                             ^^ help: if this is intentional, prefix it with an underscore: `_fd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> src/vfs/dummyfs.rs:87:70
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn overwrite(&mut self, fd: &mut Box<dyn VirtualFileDescriptor>, buf: &[u8]) -> VfsResult {
[INFO] [stdout]    |                                                                      ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fd`
[INFO] [stdout]   --> src/vfs/dummyfs.rs:90:26
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn append(&mut self, fd: &mut Box<dyn VirtualFileDescriptor>, buf: &[u8]) -> VfsResult {
[INFO] [stdout]    |                          ^^ help: if this is intentional, prefix it with an underscore: `_fd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> src/vfs/dummyfs.rs:90:67
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn append(&mut self, fd: &mut Box<dyn VirtualFileDescriptor>, buf: &[u8]) -> VfsResult {
[INFO] [stdout]    |                                                                   ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fd`
[INFO] [stdout]    --> src/vfs/dummyfs.rs:102:26
[INFO] [stdout]     |
[INFO] [stdout] 102 |     fn file_perms(&self, fd: &Box<dyn VirtualFileDescriptor>) -> Option<u16> {
[INFO] [stdout]     |                          ^^ help: if this is intentional, prefix it with an underscore: `_fd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fd`
[INFO] [stdout]    --> src/vfs/dummyfs.rs:105:26
[INFO] [stdout]     |
[INFO] [stdout] 105 |     fn file_owner(&self, fd: &Box<dyn VirtualFileDescriptor>) -> Option<u32> {
[INFO] [stdout]     |                          ^^ help: if this is intentional, prefix it with an underscore: `_fd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fd`
[INFO] [stdout]    --> src/vfs/dummyfs.rs:108:26
[INFO] [stdout]     |
[INFO] [stdout] 108 |     fn file_group(&self, fd: &Box<dyn VirtualFileDescriptor>) -> Option<u32> {
[INFO] [stdout]     |                          ^^ help: if this is intentional, prefix it with an underscore: `_fd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fd`
[INFO] [stdout]    --> src/vfs/dummyfs.rs:111:25
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn file_size(&self, fd: &Box<dyn VirtualFileDescriptor>) -> Option<u64> {
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_fd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fd`
[INFO] [stdout]    --> src/vfs/dummyfs.rs:114:29
[INFO] [stdout]     |
[INFO] [stdout] 114 |     fn file_modified(&self, fd: &Box<dyn VirtualFileDescriptor>) -> Option<u64> {
[INFO] [stdout]     |                             ^^ help: if this is intentional, prefix it with an underscore: `_fd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fd`
[INFO] [stdout]    --> src/vfs/dummyfs.rs:117:30
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn file_hardlinks(&self, fd: &Box<dyn VirtualFileDescriptor>) -> Option<u16> {
[INFO] [stdout]     |                              ^^ help: if this is intentional, prefix it with an underscore: `_fd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fd`
[INFO] [stdout]    --> src/vfs/dummyfs.rs:120:25
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn chmod(&mut self, fd: &Box<dyn VirtualFileDescriptor>, perms: u16) -> VfsResult {
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_fd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `perms`
[INFO] [stdout]    --> src/vfs/dummyfs.rs:120:62
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn chmod(&mut self, fd: &Box<dyn VirtualFileDescriptor>, perms: u16) -> VfsResult {
[INFO] [stdout]     |                                                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_perms`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/vfs/futils.rs:6:20
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn read_to_end(mut path: String) -> Option<Vec<u8>> {
[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: unused variable: `fd`
[INFO] [stdout]   --> src/vfs/dummyfs.rs:13:34
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn get_fd(&self, inode: u32, fd: u32) -> Option<Box<dyn VirtualFileDescriptor>> {
[INFO] [stdout]    |                                  ^^ help: if this is intentional, prefix it with an underscore: `_fd`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inode`
[INFO] [stdout]   --> src/vfs/dummyfs.rs:20:31
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn delete_file(&mut self, inode: u32, dir_inode: u32) -> VfsResult {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_inode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dir_inode`
[INFO] [stdout]   --> src/vfs/dummyfs.rs:20:43
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn delete_file(&mut self, inode: u32, dir_inode: u32) -> VfsResult {
[INFO] [stdout]    |                                           ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dir_inode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dir_inode`
[INFO] [stdout]   --> src/vfs/dummyfs.rs:23:31
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn create_file(&mut self, dir_inode: u32, filename: String, data: &[u8]) -> Option<u32> {
[INFO] [stdout]    |                               ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dir_inode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filename`
[INFO] [stdout]   --> src/vfs/dummyfs.rs:23:47
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn create_file(&mut self, dir_inode: u32, filename: String, data: &[u8]) -> Option<u32> {
[INFO] [stdout]    |                                               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filename`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/vfs/dummyfs.rs:23:65
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn create_file(&mut self, dir_inode: u32, filename: String, data: &[u8]) -> Option<u32> {
[INFO] [stdout]    |                                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parent_inode`
[INFO] [stdout]   --> src/vfs/dummyfs.rs:26:36
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn create_directory(&mut self, parent_inode: u32, name: String) -> Option<u32> {
[INFO] [stdout]    |                                    ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parent_inode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/vfs/dummyfs.rs:26:55
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn create_directory(&mut self, parent_inode: u32, name: String) -> Option<u32> {
[INFO] [stdout]    |                                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fd`
[INFO] [stdout]   --> src/vfs/dummyfs.rs:84:34
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn write_in_place(&mut self, fd: &mut Box<dyn VirtualFileDescriptor>, buf: &[u8]) -> VfsResult {
[INFO] [stdout]    |                                  ^^ help: if this is intentional, prefix it with an underscore: `_fd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> src/vfs/dummyfs.rs:84:75
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn write_in_place(&mut self, fd: &mut Box<dyn VirtualFileDescriptor>, buf: &[u8]) -> VfsResult {
[INFO] [stdout]    |                                                                           ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fd`
[INFO] [stdout]   --> src/vfs/dummyfs.rs:87:29
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn overwrite(&mut self, fd: &mut Box<dyn VirtualFileDescriptor>, buf: &[u8]) -> VfsResult {
[INFO] [stdout]    |                             ^^ help: if this is intentional, prefix it with an underscore: `_fd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> src/vfs/dummyfs.rs:87:70
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn overwrite(&mut self, fd: &mut Box<dyn VirtualFileDescriptor>, buf: &[u8]) -> VfsResult {
[INFO] [stdout]    |                                                                      ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/vfs/futils.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let mut target: u32;
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fd`
[INFO] [stdout]   --> src/vfs/dummyfs.rs:90:26
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn append(&mut self, fd: &mut Box<dyn VirtualFileDescriptor>, buf: &[u8]) -> VfsResult {
[INFO] [stdout]    |                          ^^ help: if this is intentional, prefix it with an underscore: `_fd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> src/vfs/dummyfs.rs:90:67
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn append(&mut self, fd: &mut Box<dyn VirtualFileDescriptor>, buf: &[u8]) -> VfsResult {
[INFO] [stdout]    |                                                                   ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fd`
[INFO] [stdout]    --> src/vfs/dummyfs.rs:102:26
[INFO] [stdout]     |
[INFO] [stdout] 102 |     fn file_perms(&self, fd: &Box<dyn VirtualFileDescriptor>) -> Option<u16> {
[INFO] [stdout]     |                          ^^ help: if this is intentional, prefix it with an underscore: `_fd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fd`
[INFO] [stdout]    --> src/vfs/dummyfs.rs:105:26
[INFO] [stdout]     |
[INFO] [stdout] 105 |     fn file_owner(&self, fd: &Box<dyn VirtualFileDescriptor>) -> Option<u32> {
[INFO] [stdout]     |                          ^^ help: if this is intentional, prefix it with an underscore: `_fd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fd`
[INFO] [stdout]    --> src/vfs/dummyfs.rs:108:26
[INFO] [stdout]     |
[INFO] [stdout] 108 |     fn file_group(&self, fd: &Box<dyn VirtualFileDescriptor>) -> Option<u32> {
[INFO] [stdout]     |                          ^^ help: if this is intentional, prefix it with an underscore: `_fd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fd`
[INFO] [stdout]    --> src/vfs/dummyfs.rs:111:25
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn file_size(&self, fd: &Box<dyn VirtualFileDescriptor>) -> Option<u64> {
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_fd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fd`
[INFO] [stdout]    --> src/vfs/dummyfs.rs:114:29
[INFO] [stdout]     |
[INFO] [stdout] 114 |     fn file_modified(&self, fd: &Box<dyn VirtualFileDescriptor>) -> Option<u64> {
[INFO] [stdout]     |                             ^^ help: if this is intentional, prefix it with an underscore: `_fd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fd`
[INFO] [stdout]    --> src/vfs/dummyfs.rs:117:30
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn file_hardlinks(&self, fd: &Box<dyn VirtualFileDescriptor>) -> Option<u16> {
[INFO] [stdout]     |                              ^^ help: if this is intentional, prefix it with an underscore: `_fd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fd`
[INFO] [stdout]    --> src/vfs/dummyfs.rs:120:25
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn chmod(&mut self, fd: &Box<dyn VirtualFileDescriptor>, perms: u16) -> VfsResult {
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_fd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `perms`
[INFO] [stdout]    --> src/vfs/dummyfs.rs:120:62
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn chmod(&mut self, fd: &Box<dyn VirtualFileDescriptor>, perms: u16) -> VfsResult {
[INFO] [stdout]     |                                                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_perms`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/vfs/futils.rs:6:20
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn read_to_end(mut path: String) -> Option<Vec<u8>> {
[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/vfs/futils.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let mut target: u32;
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fd`
[INFO] [stdout]    --> src/vfs/infs.rs:780:9
[INFO] [stdout]     |
[INFO] [stdout] 780 |         fd: &mut Box<dyn vfs::VirtualFileDescriptor>,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_fd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> src/vfs/infs.rs:781:9
[INFO] [stdout]     |
[INFO] [stdout] 781 |         buf: &[u8],
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fd`
[INFO] [stdout]    --> src/vfs/infs.rs:780:9
[INFO] [stdout]     |
[INFO] [stdout] 780 |         fd: &mut Box<dyn vfs::VirtualFileDescriptor>,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_fd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> src/vfs/infs.rs:781:9
[INFO] [stdout]     |
[INFO] [stdout] 781 |         buf: &[u8],
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inodes`
[INFO] [stdout]   --> src/main.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |             inodes,
[INFO] [stdout]    |             ^^^^^^ help: try ignoring the field: `inodes: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block_size`
[INFO] [stdout]   --> src/main.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |             block_size,
[INFO] [stdout]    |             ^^^^^^^^^^ help: try ignoring the field: `block_size: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_blocks`
[INFO] [stdout]   --> src/main.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |             num_blocks,
[INFO] [stdout]    |             ^^^^^^^^^^ help: try ignoring the field: `num_blocks: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dest`
[INFO] [stdout]   --> src/main.rs:85:13
[INFO] [stdout]    |
[INFO] [stdout] 85 |             dest,
[INFO] [stdout]    |             ^^^^ help: try ignoring the field: `dest: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tt`
[INFO] [stdout]   --> src/main.rs:87:17
[INFO] [stdout]    |
[INFO] [stdout] 87 |             let tt = target_type.unwrap_or("file".to_string());
[INFO] [stdout]    |                 ^^ help: if this is intentional, prefix it with an underscore: `_tt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:181:5
[INFO] [stdout]     |
[INFO] [stdout] 181 |     mut cdent: Box<dyn vfs::VirtualDentry>,
[INFO] [stdout]     |     ----^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ino`
[INFO] [stdout]    --> src/main.rs:214:17
[INFO] [stdout]     |
[INFO] [stdout] 214 |             let ino = fs.create_file(parent_inode, f, &std::fs::read(&p).unwrap());
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_ino`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inodes`
[INFO] [stdout]   --> src/main.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |             inodes,
[INFO] [stdout]    |             ^^^^^^ help: try ignoring the field: `inodes: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block_size`
[INFO] [stdout]   --> src/main.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |             block_size,
[INFO] [stdout]    |             ^^^^^^^^^^ help: try ignoring the field: `block_size: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_blocks`
[INFO] [stdout]   --> src/main.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |             num_blocks,
[INFO] [stdout]    |             ^^^^^^^^^^ help: try ignoring the field: `num_blocks: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dest`
[INFO] [stdout]   --> src/main.rs:85:13
[INFO] [stdout]    |
[INFO] [stdout] 85 |             dest,
[INFO] [stdout]    |             ^^^^ help: try ignoring the field: `dest: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tt`
[INFO] [stdout]   --> src/main.rs:87:17
[INFO] [stdout]    |
[INFO] [stdout] 87 |             let tt = target_type.unwrap_or("file".to_string());
[INFO] [stdout]    |                 ^^ help: if this is intentional, prefix it with an underscore: `_tt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Superblock` is more private than the item `get_sup`
[INFO] [stdout]   --> src/vfs/infs.rs:59:1
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub fn get_sup(inodes: u32, block_size: u32, num_blocks: u64) -> Superblock {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `get_sup` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `Superblock` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/vfs/infs.rs:45:1
[INFO] [stdout]    |
[INFO] [stdout] 45 | struct Superblock {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `minfo` is never used
[INFO] [stdout]  --> src/common.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn minfo(term: &Terminal, pname: &str) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `shift_in_text` is never used
[INFO] [stdout]   --> src/common.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn shift_in_text(s: &str, c: usize) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `CWD` is never used
[INFO] [stdout]  --> src/sysvars.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | static mut CWD: Lazy<String> = Lazy::new(|| "/".to_string());
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `load_cwd` is never used
[INFO] [stdout]   --> src/sysvars.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn load_cwd() -> String {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `store_cwd` is never used
[INFO] [stdout]   --> src/sysvars.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn store_cwd(s: String) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `VfsTreeNode` is never used
[INFO] [stdout]   --> src/vfs/mod.rs:22:6
[INFO] [stdout]    |
[INFO] [stdout] 22 | enum VfsTreeNode {
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `find_destination_fs` and `presume_mounted` are never used
[INFO] [stdout]   --> src/vfs/mod.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl VfsTreeNode {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 32 |     fn find_destination_fs(&mut self, path: String) -> (&mut Box<dyn VirtualFileSystem>, String) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     fn presume_mounted(&mut self) -> Option<&mut Box<dyn VirtualFileSystem>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `VFS_ROOT` is never used
[INFO] [stdout]   --> src/vfs/mod.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 | static mut VFS_ROOT: VfsTreeNode = VfsTreeNode::Unmounted;
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mount_dummy` is never used
[INFO] [stdout]   --> src/vfs/mod.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub fn mount_dummy() -> () {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mount_root` is never used
[INFO] [stdout]   --> src/vfs/mod.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn mount_root(fs: Box<dyn VirtualFileSystem>) -> () {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `safe_wrap_fdfs` is never used
[INFO] [stdout]   --> src/vfs/mod.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub fn safe_wrap_fdfs<'a>(path: String) -> (&'a mut Box<dyn VirtualFileSystem>, String) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `EFPOOB` and `EALREX` are never constructed
[INFO] [stdout]   --> src/vfs/mod.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub enum VfsErrno {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] 75 |     EINVFD,
[INFO] [stdout] 76 |     EFPOOB,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 77 |     ENSTOR,
[INFO] [stdout] 78 |     EALREX,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/vfs/mod.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout]  97 | pub trait VirtualFileSystem {
[INFO] [stdout]     |           ----------------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 102 |     fn delete_file(&mut self, inode: u32, dir_inode: u32) -> VfsResult;
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 |     fn rewind_zero(&mut self, fd: &mut Box<dyn VirtualFileDescriptor>) -> VfsResult;
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 107 |     fn rewind(&mut self, fd: &mut Box<dyn VirtualFileDescriptor>, count: u64) -> VfsResult;
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 108 |     fn seek_forward(&mut self, fd: &mut Box<dyn VirtualFileDescriptor>, count: u64) -> VfsResult;
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 109 |     fn seek(&mut self, fd: &mut Box<dyn VirtualFileDescriptor>, location: u64) -> VfsResult;
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 112 |     fn write_in_place(&mut self, fd: &mut Box<dyn VirtualFileDescriptor>, buf: &[u8]) -> VfsResult;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 115 |     fn append(&mut self, fd: &mut Box<dyn VirtualFileDescriptor>, buf: &[u8]) -> VfsResult; // append is especially important to be COW
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 122 |     fn file_owner(&self, fd: &Box<dyn VirtualFileDescriptor>) -> Option<u32>;
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 123 |     fn file_group(&self, fd: &Box<dyn VirtualFileDescriptor>) -> Option<u32>;
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 124 |     fn file_size(&self, fd: &Box<dyn VirtualFileDescriptor>) -> Option<u64>;
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 125 |     fn file_modified(&self, fd: &Box<dyn VirtualFileDescriptor>) -> Option<u64>;
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 126 |     fn file_hardlinks(&self, fd: &Box<dyn VirtualFileDescriptor>) -> Option<u16>;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `DATA_POOL` is never used
[INFO] [stdout]  --> src/vfs/dummyfs.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | static DATA_POOL: Lazy<[u8; 4096]> = Lazy::new(|| {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FileSystem` is never constructed
[INFO] [stdout]   --> src/vfs/dummyfs.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct FileSystem {}
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FileDescriptor` is never constructed
[INFO] [stdout]    --> src/vfs/dummyfs.rs:125:8
[INFO] [stdout]     |
[INFO] [stdout] 125 | struct FileDescriptor {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Dentry` is never constructed
[INFO] [stdout]    --> src/vfs/dummyfs.rs:141:8
[INFO] [stdout]     |
[INFO] [stdout] 141 | struct Dentry {}
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_to_end` is never used
[INFO] [stdout]  --> src/vfs/futils.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn read_to_end(mut path: String) -> Option<Vec<u8>> {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_file` is never used
[INFO] [stdout]   --> src/vfs/futils.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn find_file<'a>(mut path: String, short: bool) -> Either<(&'a mut Box<dyn crate::vfs::VirtualFileSystem>, Box<dyn crate::vfs::Virtua...
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `version` is never read
[INFO] [stdout]   --> src/vfs/infs.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | struct Superblock {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 57 |     version: FileSystemVersion,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `create_test_fs` is never used
[INFO] [stdout]    --> src/vfs/infs.rs:391:12
[INFO] [stdout]     |
[INFO] [stdout] 280 | impl FileSystem {
[INFO] [stdout]     | --------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 391 |     pub fn create_test_fs() -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:181:5
[INFO] [stdout]     |
[INFO] [stdout] 181 |     mut cdent: Box<dyn vfs::VirtualDentry>,
[INFO] [stdout]     |     ----^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ino`
[INFO] [stdout]    --> src/main.rs:214:17
[INFO] [stdout]     |
[INFO] [stdout] 214 |             let ino = fs.create_file(parent_inode, f, &std::fs::read(&p).unwrap());
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_ino`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:212:13
[INFO] [stdout]     |
[INFO] [stdout] 212 |             fs.chmod(&fs.get_fd(ino, 0).unwrap(), 0o20777);
[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] 212 |             let _ = fs.chmod(&fs.get_fd(ino, 0).unwrap(), 0o20777);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> src/sysvars.rs:11:14
[INFO] [stdout]    |
[INFO] [stdout] 11 |     unsafe { CWD.clone() }
[INFO] [stdout]    |              ^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]   --> src/vfs/mod.rs:71:14
[INFO] [stdout]    |
[INFO] [stdout] 71 |     unsafe { VFS_ROOT.find_destination_fs(path) }
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/vfs/dummyfs.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         fd.set_pos_raw(0);
[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] 33 |         let _ = fd.set_pos_raw(0);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/vfs/dummyfs.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |             fd.set_pos_raw(p - count);
[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] 42 |             let _ = fd.set_pos_raw(p - count);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/vfs/dummyfs.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |         fd.set_pos_raw(p);
[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] 55 |         let _ = fd.set_pos_raw(p);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/vfs/dummyfs.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |             fd.set_pos_raw(location);
[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] 63 |             let _ = fd.set_pos_raw(location);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/vfs/dummyfs.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |         fd.set_pos_raw(d 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] 78 |         let _ = fd.set_pos_raw(d as u64);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Superblock` is more private than the item `get_sup`
[INFO] [stdout]   --> src/vfs/infs.rs:59:1
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub fn get_sup(inodes: u32, block_size: u32, num_blocks: u64) -> Superblock {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `get_sup` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `Superblock` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/vfs/infs.rs:45:1
[INFO] [stdout]    |
[INFO] [stdout] 45 | struct Superblock {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `minfo` is never used
[INFO] [stdout]  --> src/common.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn minfo(term: &Terminal, pname: &str) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `shift_in_text` is never used
[INFO] [stdout]   --> src/common.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn shift_in_text(s: &str, c: usize) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `CWD` is never used
[INFO] [stdout]  --> src/sysvars.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | static mut CWD: Lazy<String> = Lazy::new(|| "/".to_string());
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `load_cwd` is never used
[INFO] [stdout]   --> src/sysvars.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn load_cwd() -> String {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `store_cwd` is never used
[INFO] [stdout]   --> src/sysvars.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn store_cwd(s: String) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `VfsTreeNode` is never used
[INFO] [stdout]   --> src/vfs/mod.rs:22:6
[INFO] [stdout]    |
[INFO] [stdout] 22 | enum VfsTreeNode {
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `find_destination_fs` and `presume_mounted` are never used
[INFO] [stdout]   --> src/vfs/mod.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl VfsTreeNode {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 32 |     fn find_destination_fs(&mut self, path: String) -> (&mut Box<dyn VirtualFileSystem>, String) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     fn presume_mounted(&mut self) -> Option<&mut Box<dyn VirtualFileSystem>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `VFS_ROOT` is never used
[INFO] [stdout]   --> src/vfs/mod.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 | static mut VFS_ROOT: VfsTreeNode = VfsTreeNode::Unmounted;
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mount_dummy` is never used
[INFO] [stdout]   --> src/vfs/mod.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub fn mount_dummy() -> () {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mount_root` is never used
[INFO] [stdout]   --> src/vfs/mod.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn mount_root(fs: Box<dyn VirtualFileSystem>) -> () {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `safe_wrap_fdfs` is never used
[INFO] [stdout]   --> src/vfs/mod.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub fn safe_wrap_fdfs<'a>(path: String) -> (&'a mut Box<dyn VirtualFileSystem>, String) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `EFPOOB` and `EALREX` are never constructed
[INFO] [stdout]   --> src/vfs/mod.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub enum VfsErrno {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] 75 |     EINVFD,
[INFO] [stdout] 76 |     EFPOOB,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 77 |     ENSTOR,
[INFO] [stdout] 78 |     EALREX,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/vfs/mod.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout]  97 | pub trait VirtualFileSystem {
[INFO] [stdout]     |           ----------------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 102 |     fn delete_file(&mut self, inode: u32, dir_inode: u32) -> VfsResult;
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 |     fn rewind_zero(&mut self, fd: &mut Box<dyn VirtualFileDescriptor>) -> VfsResult;
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 107 |     fn rewind(&mut self, fd: &mut Box<dyn VirtualFileDescriptor>, count: u64) -> VfsResult;
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 108 |     fn seek_forward(&mut self, fd: &mut Box<dyn VirtualFileDescriptor>, count: u64) -> VfsResult;
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 109 |     fn seek(&mut self, fd: &mut Box<dyn VirtualFileDescriptor>, location: u64) -> VfsResult;
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 112 |     fn write_in_place(&mut self, fd: &mut Box<dyn VirtualFileDescriptor>, buf: &[u8]) -> VfsResult;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 115 |     fn append(&mut self, fd: &mut Box<dyn VirtualFileDescriptor>, buf: &[u8]) -> VfsResult; // append is especially important to be COW
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 122 |     fn file_owner(&self, fd: &Box<dyn VirtualFileDescriptor>) -> Option<u32>;
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 123 |     fn file_group(&self, fd: &Box<dyn VirtualFileDescriptor>) -> Option<u32>;
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 124 |     fn file_size(&self, fd: &Box<dyn VirtualFileDescriptor>) -> Option<u64>;
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 125 |     fn file_modified(&self, fd: &Box<dyn VirtualFileDescriptor>) -> Option<u64>;
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 126 |     fn file_hardlinks(&self, fd: &Box<dyn VirtualFileDescriptor>) -> Option<u16>;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `DATA_POOL` is never used
[INFO] [stdout]  --> src/vfs/dummyfs.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | static DATA_POOL: Lazy<[u8; 4096]> = Lazy::new(|| {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FileSystem` is never constructed
[INFO] [stdout]   --> src/vfs/dummyfs.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct FileSystem {}
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FileDescriptor` is never constructed
[INFO] [stdout]    --> src/vfs/dummyfs.rs:125:8
[INFO] [stdout]     |
[INFO] [stdout] 125 | struct FileDescriptor {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Dentry` is never constructed
[INFO] [stdout]    --> src/vfs/dummyfs.rs:141:8
[INFO] [stdout]     |
[INFO] [stdout] 141 | struct Dentry {}
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_to_end` is never used
[INFO] [stdout]  --> src/vfs/futils.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn read_to_end(mut path: String) -> Option<Vec<u8>> {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_file` is never used
[INFO] [stdout]   --> src/vfs/futils.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn find_file<'a>(mut path: String, short: bool) -> Either<(&'a mut Box<dyn crate::vfs::VirtualFileSystem>, Box<dyn crate::vfs::Virtua...
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `version` is never read
[INFO] [stdout]   --> src/vfs/infs.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | struct Superblock {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 57 |     version: FileSystemVersion,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `create_test_fs` is never used
[INFO] [stdout]    --> src/vfs/infs.rs:391:12
[INFO] [stdout]     |
[INFO] [stdout] 280 | impl FileSystem {
[INFO] [stdout]     | --------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 391 |     pub fn create_test_fs() -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:212:13
[INFO] [stdout]     |
[INFO] [stdout] 212 |             fs.chmod(&fs.get_fd(ino, 0).unwrap(), 0o20777);
[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] 212 |             let _ = fs.chmod(&fs.get_fd(ino, 0).unwrap(), 0o20777);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> src/sysvars.rs:11:14
[INFO] [stdout]    |
[INFO] [stdout] 11 |     unsafe { CWD.clone() }
[INFO] [stdout]    |              ^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]   --> src/vfs/mod.rs:71:14
[INFO] [stdout]    |
[INFO] [stdout] 71 |     unsafe { VFS_ROOT.find_destination_fs(path) }
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/vfs/dummyfs.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         fd.set_pos_raw(0);
[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] 33 |         let _ = fd.set_pos_raw(0);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/vfs/dummyfs.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |             fd.set_pos_raw(p - count);
[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] 42 |             let _ = fd.set_pos_raw(p - count);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/vfs/dummyfs.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |         fd.set_pos_raw(p);
[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] 55 |         let _ = fd.set_pos_raw(p);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/vfs/dummyfs.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |             fd.set_pos_raw(location);
[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] 63 |             let _ = fd.set_pos_raw(location);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/vfs/dummyfs.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |         fd.set_pos_raw(d 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] 78 |         let _ = fd.set_pos_raw(d as u64);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.50s
[INFO] running `Command { std: "docker" "inspect" "24f897ec3bc2d2c9e3962acc85e047aea925791b621aedea530488392478c799", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24f897ec3bc2d2c9e3962acc85e047aea925791b621aedea530488392478c799", kill_on_drop: false }`
[INFO] [stdout] 24f897ec3bc2d2c9e3962acc85e047aea925791b621aedea530488392478c799
