[INFO] cloning repository https://github.com/sdslabs/fuser-iouring
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sdslabs/fuser-iouring" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdslabs%2Ffuser-iouring", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdslabs%2Ffuser-iouring'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f01ceb71c46b1027e164a50c08b425e59312d0b
[INFO] checking sdslabs/fuser-iouring against try#a3a874232ae0a7586b5fbe7483c5a42e157bd62a for pr-151109
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdslabs%2Ffuser-iouring" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sdslabs/fuser-iouring
[INFO] finished tweaking git repo https://github.com/sdslabs/fuser-iouring
[INFO] tweaked toml for git repo https://github.com/sdslabs/fuser-iouring written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sdslabs/fuser-iouring on toolchain a3a874232ae0a7586b5fbe7483c5a42e157bd62a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sdslabs/fuser-iouring 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" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded io-uring v0.6.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1c79c330593c87f33caff513f7a77c5d67ff658099776df09c9142492150c0a
[INFO] running `Command { std: "docker" "start" "-a" "a1c79c330593c87f33caff513f7a77c5d67ff658099776df09c9142492150c0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1c79c330593c87f33caff513f7a77c5d67ff658099776df09c9142492150c0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1c79c330593c87f33caff513f7a77c5d67ff658099776df09c9142492150c0a", kill_on_drop: false }`
[INFO] [stdout] a1c79c330593c87f33caff513f7a77c5d67ff658099776df09c9142492150c0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c813a99ddd04464b57279636f550f774151b10f1e2a561e53bfc3e583e2a4a9c
[INFO] running `Command { std: "docker" "start" "-a" "c813a99ddd04464b57279636f550f774151b10f1e2a561e53bfc3e583e2a4a9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]    Compiling io-uring v0.6.4
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]     Checking clap v4.5.53
[INFO] [stderr]     Checking nix v0.27.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking fuser-iouring v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `parent`
[INFO] [stdout]   --> src/lib.rs:22:23
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn lookup(&self , parent: u64 , name: &[u8]) -> Result<FuseEntryOut, i32> { Err(libc::ENOSYS) }
[INFO] [stdout]    |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parent`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/lib.rs:22:37
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn lookup(&self , parent: u64 , name: &[u8]) -> Result<FuseEntryOut, i32> { Err(libc::ENOSYS) }
[INFO] [stdout]    |                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ino`
[INFO] [stdout]   --> src/lib.rs:23:23
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn getattr(&self, ino: u64) -> Result<FuseAttrOut, i32> { Err(libc::ENOSYS) }
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_ino`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parent`
[INFO] [stdout]   --> src/lib.rs:24:21
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn mkdir(&self, parent: u64, name: &[u8], mode: u32) -> Result<FuseEntryOut, i32> { Err(libc::ENOSYS) }
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parent`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/lib.rs:24:34
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn mkdir(&self, parent: u64, name: &[u8], mode: u32) -> Result<FuseEntryOut, i32> { Err(libc::ENOSYS) }
[INFO] [stdout]    |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mode`
[INFO] [stdout]   --> src/lib.rs:24:47
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn mkdir(&self, parent: u64, name: &[u8], mode: u32) -> Result<FuseEntryOut, i32> { Err(libc::ENOSYS) }
[INFO] [stdout]    |                                               ^^^^ help: if this is intentional, prefix it with an underscore: `_mode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parent`
[INFO] [stdout]   --> src/lib.rs:25:22
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn create(&self, parent:u64, name: &[u8], mode: u32 ) -> Result<(FuseEntryOut, FuseOpenOut), i32> { Err(libc::ENOSYS) }
[INFO] [stdout]    |                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parent`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/lib.rs:25:34
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn create(&self, parent:u64, name: &[u8], mode: u32 ) -> Result<(FuseEntryOut, FuseOpenOut), i32> { Err(libc::ENOSYS) }
[INFO] [stdout]    |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mode`
[INFO] [stdout]   --> src/lib.rs:25:47
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn create(&self, parent:u64, name: &[u8], mode: u32 ) -> Result<(FuseEntryOut, FuseOpenOut), i32> { Err(libc::ENOSYS) }
[INFO] [stdout]    |                                               ^^^^ help: if this is intentional, prefix it with an underscore: `_mode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ino`
[INFO] [stdout]   --> src/lib.rs:26:21
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn write(&self, ino:u64, offset: u64, data: &[u8]) -> Result<u32, i32> { Err(libc::ENOSYS) }
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_ino`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]   --> src/lib.rs:26:30
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn write(&self, ino:u64, offset: u64, data: &[u8]) -> Result<u32, i32> { Err(libc::ENOSYS) }
[INFO] [stdout]    |                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/lib.rs:26:43
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn write(&self, ino:u64, offset: u64, data: &[u8]) -> Result<u32, i32> { Err(libc::ENOSYS) }
[INFO] [stdout]    |                                           ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ino`
[INFO] [stdout]   --> src/lib.rs:27:20
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn read(&self, ino:u64, offset: u64, size: u32) -> Result<Vec<u8>, i32> { Err(libc::ENOSYS) }
[INFO] [stdout]    |                    ^^^ help: if this is intentional, prefix it with an underscore: `_ino`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]   --> src/lib.rs:27:29
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn read(&self, ino:u64, offset: u64, size: u32) -> Result<Vec<u8>, i32> { Err(libc::ENOSYS) }
[INFO] [stdout]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]   --> src/lib.rs:27:42
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn read(&self, ino:u64, offset: u64, size: u32) -> Result<Vec<u8>, i32> { Err(libc::ENOSYS) }
[INFO] [stdout]    |                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ino`
[INFO] [stdout]   --> src/lib.rs:28:23
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn readdir(&self, ino:u64, offset: u64) -> Result<Vec<u8>, i32> { Err(libc::ENOSYS) }
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_ino`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]   --> src/lib.rs:28:32
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn readdir(&self, ino:u64, offset: u64) -> Result<Vec<u8>, i32> { Err(libc::ENOSYS) }
[INFO] [stdout]    |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ino`
[INFO] [stdout]   --> src/lib.rs:37:27
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn readdirplus(&self, ino: u64, offset: u64) -> Result<Vec<u8> , i32> {
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_ino`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]   --> src/lib.rs:37:37
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn readdirplus(&self, ino: u64, offset: u64) -> Result<Vec<u8> , i32> {
[INFO] [stdout]    |                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parent`
[INFO] [stdout]   --> src/lib.rs:22:23
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn lookup(&self , parent: u64 , name: &[u8]) -> Result<FuseEntryOut, i32> { Err(libc::ENOSYS) }
[INFO] [stdout]    |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parent`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/lib.rs:22:37
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn lookup(&self , parent: u64 , name: &[u8]) -> Result<FuseEntryOut, i32> { Err(libc::ENOSYS) }
[INFO] [stdout]    |                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ino`
[INFO] [stdout]   --> src/lib.rs:23:23
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn getattr(&self, ino: u64) -> Result<FuseAttrOut, i32> { Err(libc::ENOSYS) }
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_ino`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parent`
[INFO] [stdout]   --> src/lib.rs:24:21
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn mkdir(&self, parent: u64, name: &[u8], mode: u32) -> Result<FuseEntryOut, i32> { Err(libc::ENOSYS) }
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parent`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/lib.rs:24:34
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn mkdir(&self, parent: u64, name: &[u8], mode: u32) -> Result<FuseEntryOut, i32> { Err(libc::ENOSYS) }
[INFO] [stdout]    |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mode`
[INFO] [stdout]   --> src/lib.rs:24:47
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn mkdir(&self, parent: u64, name: &[u8], mode: u32) -> Result<FuseEntryOut, i32> { Err(libc::ENOSYS) }
[INFO] [stdout]    |                                               ^^^^ help: if this is intentional, prefix it with an underscore: `_mode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parent`
[INFO] [stdout]   --> src/lib.rs:25:22
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn create(&self, parent:u64, name: &[u8], mode: u32 ) -> Result<(FuseEntryOut, FuseOpenOut), i32> { Err(libc::ENOSYS) }
[INFO] [stdout]    |                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parent`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/lib.rs:25:34
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn create(&self, parent:u64, name: &[u8], mode: u32 ) -> Result<(FuseEntryOut, FuseOpenOut), i32> { Err(libc::ENOSYS) }
[INFO] [stdout]    |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mode`
[INFO] [stdout]   --> src/lib.rs:25:47
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn create(&self, parent:u64, name: &[u8], mode: u32 ) -> Result<(FuseEntryOut, FuseOpenOut), i32> { Err(libc::ENOSYS) }
[INFO] [stdout]    |                                               ^^^^ help: if this is intentional, prefix it with an underscore: `_mode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ino`
[INFO] [stdout]   --> src/lib.rs:26:21
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn write(&self, ino:u64, offset: u64, data: &[u8]) -> Result<u32, i32> { Err(libc::ENOSYS) }
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_ino`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]   --> src/lib.rs:26:30
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn write(&self, ino:u64, offset: u64, data: &[u8]) -> Result<u32, i32> { Err(libc::ENOSYS) }
[INFO] [stdout]    |                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/lib.rs:26:43
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn write(&self, ino:u64, offset: u64, data: &[u8]) -> Result<u32, i32> { Err(libc::ENOSYS) }
[INFO] [stdout]    |                                           ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ino`
[INFO] [stdout]   --> src/lib.rs:27:20
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn read(&self, ino:u64, offset: u64, size: u32) -> Result<Vec<u8>, i32> { Err(libc::ENOSYS) }
[INFO] [stdout]    |                    ^^^ help: if this is intentional, prefix it with an underscore: `_ino`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]   --> src/lib.rs:27:29
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn read(&self, ino:u64, offset: u64, size: u32) -> Result<Vec<u8>, i32> { Err(libc::ENOSYS) }
[INFO] [stdout]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]   --> src/lib.rs:27:42
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn read(&self, ino:u64, offset: u64, size: u32) -> Result<Vec<u8>, i32> { Err(libc::ENOSYS) }
[INFO] [stdout]    |                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ino`
[INFO] [stdout]   --> src/lib.rs:28:23
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn readdir(&self, ino:u64, offset: u64) -> Result<Vec<u8>, i32> { Err(libc::ENOSYS) }
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_ino`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]   --> src/lib.rs:28:32
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn readdir(&self, ino:u64, offset: u64) -> Result<Vec<u8>, i32> { Err(libc::ENOSYS) }
[INFO] [stdout]    |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ino`
[INFO] [stdout]   --> src/lib.rs:37:27
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn readdirplus(&self, ino: u64, offset: u64) -> Result<Vec<u8> , i32> {
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_ino`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]   --> src/lib.rs:37:37
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn readdirplus(&self, ino: u64, offset: u64) -> Result<Vec<u8> , i32> {
[INFO] [stdout]    |                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::Fuse`
[INFO] [stdout]  --> examples/simple.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::iter::Fuse;
[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: `Path`
[INFO] [stdout]  --> examples/simple.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.20s
[INFO] running `Command { std: "docker" "inspect" "c813a99ddd04464b57279636f550f774151b10f1e2a561e53bfc3e583e2a4a9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c813a99ddd04464b57279636f550f774151b10f1e2a561e53bfc3e583e2a4a9c", kill_on_drop: false }`
[INFO] [stdout] c813a99ddd04464b57279636f550f774151b10f1e2a561e53bfc3e583e2a4a9c