[INFO] cloning repository https://github.com/tamaroning/wasmv-os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tamaroning/wasmv-os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftamaroning%2Fwasmv-os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftamaroning%2Fwasmv-os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1014ff96586f8622235598fc3341d95f7d39981e
[INFO] checking tamaroning/wasmv-os against master#3645249d79dfb136b5d8de3ce153d19d6698d92d for pr-153975
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftamaroning%2Fwasmv-os" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tamaroning/wasmv-os
[INFO] finished tweaking git repo https://github.com/tamaroning/wasmv-os
[INFO] tweaked toml for git repo https://github.com/tamaroning/wasmv-os written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tamaroning/wasmv-os on toolchain 3645249d79dfb136b5d8de3ce153d19d6698d92d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3645249d79dfb136b5d8de3ce153d19d6698d92d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tamaroning/wasmv-os 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" "+3645249d79dfb136b5d8de3ce153d19d6698d92d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3645249d79dfb136b5d8de3ce153d19d6698d92d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "25b3a1f8f7888c292ca7bb4e8aeaa6120307089384e6a699708eec252ba6e84a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25b3a1f8f7888c292ca7bb4e8aeaa6120307089384e6a699708eec252ba6e84a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25b3a1f8f7888c292ca7bb4e8aeaa6120307089384e6a699708eec252ba6e84a", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3645249d79dfb136b5d8de3ce153d19d6698d92d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "c5f15434330814d59cf7ce96184433e42de858dc17c7fe71d1133e705192a613", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `PathBuf`
[INFO] [stdout]  --> crates/wasmv/src/fs/server.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SpecialFd`
[INFO] [stdout]   --> crates/wasmv/src/wasi/preview1.rs:12:37
[INFO] [stdout]    |
[INFO] [stdout] 12 |         fd::{FdId, GuestFd, OpenFd, SpecialFd, SpecialFileType},
[INFO] [stdout]    |                                     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PathBuf`
[INFO] [stdout]  --> crates/wasmv/src/fs/server.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SpecialFd`
[INFO] [stdout]   --> crates/wasmv/src/wasi/preview1.rs:12:37
[INFO] [stdout]    |
[INFO] [stdout] 12 |         fd::{FdId, GuestFd, OpenFd, SpecialFd, SpecialFileType},
[INFO] [stdout]    |                                     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stdout]   --> crates/wasmv/src/fs/fd_allocator.rs:43:33
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let index = rand::rng().gen_range(0..self.available_fds.len());
[INFO] [stdout]    |                                 ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stdout]   --> crates/wasmv/src/fs/fd_allocator.rs:43:33
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let index = rand::rng().gen_range(0..self.available_fds.len());
[INFO] [stdout]    |                                 ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> crates/wasmv/src/net/socket.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |         todo!("socket connect");
[INFO] [stdout]    |         ----------------------- any code following this expression is unreachable
[INFO] [stdout] 75 |         Ok(())
[INFO] [stdout]    |         ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> crates/wasmv/src/net/socket.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |         todo!("socket connect");
[INFO] [stdout]    |         ----------------------- any code following this expression is unreachable
[INFO] [stdout] 75 |         Ok(())
[INFO] [stdout]    |         ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> crates/wasmv/src/net/socket.rs:54:30
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub async fn read(&self, buf: &mut [u8]) -> Result<usize, FsErrorCode> {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> crates/wasmv/src/net/socket.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let state = state.lock().await;
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `open_fd`
[INFO] [stdout]    --> crates/wasmv/src/fs/fd.rs:148:29
[INFO] [stdout]     |
[INFO] [stdout] 148 |             GuestFd::OpenFd(open_fd) => todo!(),
[INFO] [stdout]     |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_open_fd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> crates/wasmv/src/fs/fd.rs:325:24
[INFO] [stdout]     |
[INFO] [stdout] 325 |     pub fn read(&self, buf: &mut [u8]) -> Result<usize, FsErrorCode> {
[INFO] [stdout]     |                        ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> crates/wasmv/src/fs/fd.rs:443:32
[INFO] [stdout]     |
[INFO] [stdout] 443 |     pub async fn pwrite(&self, buf: &[u8], offset: i64) -> Result<usize, FsErrorCode> {
[INFO] [stdout]     |                                ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> crates/wasmv/src/fs/fd.rs:443:44
[INFO] [stdout]     |
[INFO] [stdout] 443 |     pub async fn pwrite(&self, buf: &[u8], offset: i64) -> Result<usize, FsErrorCode> {
[INFO] [stdout]     |                                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `socket`
[INFO] [stdout]    --> crates/wasmv/src/fs/fd.rs:445:37
[INFO] [stdout]     |
[INFO] [stdout] 445 |             SpecialFileType::Socket(socket) => Err(FsErrorCode::InvalidSeek),
[INFO] [stdout]     |                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_socket`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> crates/wasmv/src/fs/fd.rs:449:31
[INFO] [stdout]     |
[INFO] [stdout] 449 |     pub async fn pread(&self, buf: &mut [u8], offset: i64) -> Result<usize, FsErrorCode> {
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> crates/wasmv/src/fs/fd.rs:449:47
[INFO] [stdout]     |
[INFO] [stdout] 449 |     pub async fn pread(&self, buf: &mut [u8], offset: i64) -> Result<usize, FsErrorCode> {
[INFO] [stdout]     |                                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `socket`
[INFO] [stdout]    --> crates/wasmv/src/fs/fd.rs:451:37
[INFO] [stdout]     |
[INFO] [stdout] 451 |             SpecialFileType::Socket(socket) => Err(FsErrorCode::InvalidSeek),
[INFO] [stdout]     |                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_socket`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `datagram`
[INFO] [stdout]    --> crates/wasmv/src/net/ipv4.rs:238:9
[INFO] [stdout]     |
[INFO] [stdout] 238 |     let datagram = &ip_packet[ip_hdr.header_len()..];
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_datagram`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> crates/wasmv/src/net/ip.rs:143:13
[INFO] [stdout]     |
[INFO] [stdout] 143 |             _ => write!(f, "Unknown IP Protocol"),
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> crates/wasmv/src/net/ip.rs:143:13
[INFO] [stdout]     |
[INFO] [stdout] 134 |             IpProtocol::HopPotato => write!(f, "Hot-potato"),
[INFO] [stdout]     |             --------------------- matches some of the same values
[INFO] [stdout] 135 |             IpProtocol::Icmp => write!(f, "ICMP"),
[INFO] [stdout]     |             ---------------- matches some of the same values
[INFO] [stdout] 136 |             IpProtocol::Igmp => write!(f, "IGMP"),
[INFO] [stdout]     |             ---------------- matches some of the same values
[INFO] [stdout] 137 |             IpProtocol::Ggp => write!(f, "GGP"),
[INFO] [stdout]     |             --------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 143 |             _ => write!(f, "Unknown IP Protocol"),
[INFO] [stdout]     |             ^ ...and 5 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> crates/wasmv/src/net/socket.rs:61:25
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn write(&self, buf: &[u8]) -> Result<usize, FsErrorCode> {
[INFO] [stdout]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> crates/wasmv/src/net/socket.rs:54:30
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub async fn read(&self, buf: &mut [u8]) -> Result<usize, FsErrorCode> {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> crates/wasmv/src/net/socket.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let state = state.lock().await;
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `open_fd`
[INFO] [stdout]    --> crates/wasmv/src/fs/fd.rs:148:29
[INFO] [stdout]     |
[INFO] [stdout] 148 |             GuestFd::OpenFd(open_fd) => todo!(),
[INFO] [stdout]     |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_open_fd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> crates/wasmv/src/fs/fd.rs:325:24
[INFO] [stdout]     |
[INFO] [stdout] 325 |     pub fn read(&self, buf: &mut [u8]) -> Result<usize, FsErrorCode> {
[INFO] [stdout]     |                        ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> crates/wasmv/src/fs/fd.rs:443:32
[INFO] [stdout]     |
[INFO] [stdout] 443 |     pub async fn pwrite(&self, buf: &[u8], offset: i64) -> Result<usize, FsErrorCode> {
[INFO] [stdout]     |                                ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> crates/wasmv/src/fs/fd.rs:443:44
[INFO] [stdout]     |
[INFO] [stdout] 443 |     pub async fn pwrite(&self, buf: &[u8], offset: i64) -> Result<usize, FsErrorCode> {
[INFO] [stdout]     |                                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `socket`
[INFO] [stdout]    --> crates/wasmv/src/fs/fd.rs:445:37
[INFO] [stdout]     |
[INFO] [stdout] 445 |             SpecialFileType::Socket(socket) => Err(FsErrorCode::InvalidSeek),
[INFO] [stdout]     |                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_socket`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> crates/wasmv/src/fs/fd.rs:449:31
[INFO] [stdout]     |
[INFO] [stdout] 449 |     pub async fn pread(&self, buf: &mut [u8], offset: i64) -> Result<usize, FsErrorCode> {
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> crates/wasmv/src/fs/fd.rs:449:47
[INFO] [stdout]     |
[INFO] [stdout] 449 |     pub async fn pread(&self, buf: &mut [u8], offset: i64) -> Result<usize, FsErrorCode> {
[INFO] [stdout]     |                                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `socket`
[INFO] [stdout]    --> crates/wasmv/src/fs/fd.rs:451:37
[INFO] [stdout]     |
[INFO] [stdout] 451 |             SpecialFileType::Socket(socket) => Err(FsErrorCode::InvalidSeek),
[INFO] [stdout]     |                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_socket`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `datagram`
[INFO] [stdout]    --> crates/wasmv/src/net/ipv4.rs:238:9
[INFO] [stdout]     |
[INFO] [stdout] 238 |     let datagram = &ip_packet[ip_hdr.header_len()..];
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_datagram`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> crates/wasmv/src/net/ip.rs:143:13
[INFO] [stdout]     |
[INFO] [stdout] 143 |             _ => write!(f, "Unknown IP Protocol"),
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> crates/wasmv/src/net/ip.rs:143:13
[INFO] [stdout]     |
[INFO] [stdout] 134 |             IpProtocol::HopPotato => write!(f, "Hot-potato"),
[INFO] [stdout]     |             --------------------- matches some of the same values
[INFO] [stdout] 135 |             IpProtocol::Icmp => write!(f, "ICMP"),
[INFO] [stdout]     |             ---------------- matches some of the same values
[INFO] [stdout] 136 |             IpProtocol::Igmp => write!(f, "IGMP"),
[INFO] [stdout]     |             ---------------- matches some of the same values
[INFO] [stdout] 137 |             IpProtocol::Ggp => write!(f, "GGP"),
[INFO] [stdout]     |             --------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 143 |             _ => write!(f, "Unknown IP Protocol"),
[INFO] [stdout]     |             ^ ...and 5 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> crates/wasmv/src/net/socket.rs:61:25
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn write(&self, buf: &[u8]) -> Result<usize, FsErrorCode> {
[INFO] [stdout]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `readable` is never used
[INFO] [stdout]    --> crates/wasmv/src/fs/fd.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout]  86 | impl GuestFd {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 111 |     pub fn readable(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `pread` is never used
[INFO] [stdout]    --> crates/wasmv/src/fs/fd.rs:329:12
[INFO] [stdout]     |
[INFO] [stdout] 290 | impl OpenFd {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 329 |     pub fn pread(&self, buf: &mut [u8], offset: i64) -> Result<usize, FsErrorCode> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `readable` is never read
[INFO] [stdout]    --> crates/wasmv/src/fs/fd.rs:400:16
[INFO] [stdout]     |
[INFO] [stdout] 397 | pub struct OpenFdInner {
[INFO] [stdout]     |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 400 |     pub(super) readable: bool,
[INFO] [stdout]     |                ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `OpenFdInner` 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 `pwrite` and `pread` are never used
[INFO] [stdout]    --> crates/wasmv/src/fs/fd.rs:443:18
[INFO] [stdout]     |
[INFO] [stdout] 409 | impl SpecialFd {
[INFO] [stdout]     | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 443 |     pub async fn pwrite(&self, buf: &[u8], offset: i64) -> Result<usize, FsErrorCode> {
[INFO] [stdout]     |                  ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 449 |     pub async fn pread(&self, buf: &mut [u8], offset: i64) -> Result<usize, FsErrorCode> {
[INFO] [stdout]     |                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `deallocate_fd` and `is_empty` are never used
[INFO] [stdout]   --> crates/wasmv/src/fs/fd_allocator.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | / impl<T> FdAllocator<T>
[INFO] [stdout] 15 | | where
[INFO] [stdout] 16 | |     T: From<i32> + Into<i32>,
[INFO] [stdout]    | |_____________________________- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 70 |       pub fn deallocate_fd(&mut self, fd: T) {
[INFO] [stdout]    |              ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |       pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FileStat` is never constructed
[INFO] [stdout]    --> crates/wasmv/src/fs/file.rs:223:12
[INFO] [stdout]     |
[INFO] [stdout] 223 | pub struct FileStat {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `StreamResult` is never used
[INFO] [stdout]   --> crates/wasmv/src/fs/server.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub type StreamResult<T> = Result<T, StreamError>;
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `StreamError` is never used
[INFO] [stdout]    --> crates/wasmv/src/fs/server.rs:104:10
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub enum StreamError {
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `stream_write`, `pread`, and `mkdirat` are never used
[INFO] [stdout]    --> crates/wasmv/src/fs/server.rs:399:18
[INFO] [stdout]     |
[INFO] [stdout] 136 | impl Server {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 399 |     pub async fn stream_write(&mut self, _: FdId, _: &[u8]) -> StreamResult<()> {
[INFO] [stdout]     |                  ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 410 |     pub async fn pread(&mut self, fd: FdId, length: FileSize, offset: FileSize) -> FsResult<()> {
[INFO] [stdout]     |                  ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 426 |     pub fn mkdirat(&mut self, dirfd: FdId, name: &str) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_raw_file` is never used
[INFO] [stdout]    --> crates/wasmv/src/fs/server.rs:478:8
[INFO] [stdout]     |
[INFO] [stdout] 476 | impl Server {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] 477 |     /// Make sure to call `std::mem::forget(f)` after using the returned file.
[INFO] [stdout] 478 |     fn get_raw_file(&self, fd: OpenFd) -> FsResult<tokio::fs::File> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `debug_raw_fd_list` is never used
[INFO] [stdout]    --> crates/wasmv/src/fs/server.rs:540:4
[INFO] [stdout]     |
[INFO] [stdout] 540 | fn debug_raw_fd_list() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `HopPotato` is never constructed
[INFO] [stdout]   --> crates/wasmv/src/net/ip.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 93 | pub enum IpProtocol {
[INFO] [stdout]    |          ---------- variant in this enum
[INFO] [stdout] 94 |     /// Hot-potato
[INFO] [stdout] 95 |     HopPotato = 0,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IpProtocol` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `fd` and `address_family` are never read
[INFO] [stdout]   --> crates/wasmv/src/net/socket.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Socket {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 12 |     /// Associated file descriptor.
[INFO] [stdout] 13 |     fd: FdId,
[INFO] [stdout]    |     ^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     address_family: AddressFamily,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Socket` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `try_recv` is never used
[INFO] [stdout]   --> crates/wasmv/src/net/tun.rs:34:18
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Tun {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub async fn try_recv(&self, buf: &mut [u8]) -> std::io::Result<usize> {
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `first_non_empty_iovec` is never used
[INFO] [stdout]     --> crates/wasmv/src/wasi/preview1.rs:1455:4
[INFO] [stdout]      |
[INFO] [stdout] 1455 | fn first_non_empty_iovec(
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_bytes_from_ptr` is never used
[INFO] [stdout]     --> crates/wasmv/src/wasi/preview1.rs:1508:4
[INFO] [stdout]      |
[INFO] [stdout] 1508 | fn read_bytes_from_ptr(
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `readable` is never used
[INFO] [stdout]    --> crates/wasmv/src/fs/fd.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout]  86 | impl GuestFd {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 111 |     pub fn readable(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `pread` is never used
[INFO] [stdout]    --> crates/wasmv/src/fs/fd.rs:329:12
[INFO] [stdout]     |
[INFO] [stdout] 290 | impl OpenFd {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 329 |     pub fn pread(&self, buf: &mut [u8], offset: i64) -> Result<usize, FsErrorCode> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `readable` is never read
[INFO] [stdout]    --> crates/wasmv/src/fs/fd.rs:400:16
[INFO] [stdout]     |
[INFO] [stdout] 397 | pub struct OpenFdInner {
[INFO] [stdout]     |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 400 |     pub(super) readable: bool,
[INFO] [stdout]     |                ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `OpenFdInner` 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 `pwrite` and `pread` are never used
[INFO] [stdout]    --> crates/wasmv/src/fs/fd.rs:443:18
[INFO] [stdout]     |
[INFO] [stdout] 409 | impl SpecialFd {
[INFO] [stdout]     | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 443 |     pub async fn pwrite(&self, buf: &[u8], offset: i64) -> Result<usize, FsErrorCode> {
[INFO] [stdout]     |                  ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 449 |     pub async fn pread(&self, buf: &mut [u8], offset: i64) -> Result<usize, FsErrorCode> {
[INFO] [stdout]     |                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `deallocate_fd` and `is_empty` are never used
[INFO] [stdout]   --> crates/wasmv/src/fs/fd_allocator.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | / impl<T> FdAllocator<T>
[INFO] [stdout] 15 | | where
[INFO] [stdout] 16 | |     T: From<i32> + Into<i32>,
[INFO] [stdout]    | |_____________________________- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 70 |       pub fn deallocate_fd(&mut self, fd: T) {
[INFO] [stdout]    |              ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |       pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FileStat` is never constructed
[INFO] [stdout]    --> crates/wasmv/src/fs/file.rs:223:12
[INFO] [stdout]     |
[INFO] [stdout] 223 | pub struct FileStat {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `StreamResult` is never used
[INFO] [stdout]   --> crates/wasmv/src/fs/server.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub type StreamResult<T> = Result<T, StreamError>;
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `StreamError` is never used
[INFO] [stdout]    --> crates/wasmv/src/fs/server.rs:104:10
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub enum StreamError {
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `stream_write`, `pread`, and `mkdirat` are never used
[INFO] [stdout]    --> crates/wasmv/src/fs/server.rs:399:18
[INFO] [stdout]     |
[INFO] [stdout] 136 | impl Server {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 399 |     pub async fn stream_write(&mut self, _: FdId, _: &[u8]) -> StreamResult<()> {
[INFO] [stdout]     |                  ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 410 |     pub async fn pread(&mut self, fd: FdId, length: FileSize, offset: FileSize) -> FsResult<()> {
[INFO] [stdout]     |                  ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 426 |     pub fn mkdirat(&mut self, dirfd: FdId, name: &str) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_raw_file` is never used
[INFO] [stdout]    --> crates/wasmv/src/fs/server.rs:478:8
[INFO] [stdout]     |
[INFO] [stdout] 476 | impl Server {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] 477 |     /// Make sure to call `std::mem::forget(f)` after using the returned file.
[INFO] [stdout] 478 |     fn get_raw_file(&self, fd: OpenFd) -> FsResult<tokio::fs::File> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `debug_raw_fd_list` is never used
[INFO] [stdout]    --> crates/wasmv/src/fs/server.rs:540:4
[INFO] [stdout]     |
[INFO] [stdout] 540 | fn debug_raw_fd_list() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `HopPotato` is never constructed
[INFO] [stdout]   --> crates/wasmv/src/net/ip.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 93 | pub enum IpProtocol {
[INFO] [stdout]    |          ---------- variant in this enum
[INFO] [stdout] 94 |     /// Hot-potato
[INFO] [stdout] 95 |     HopPotato = 0,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IpProtocol` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `fd` and `address_family` are never read
[INFO] [stdout]   --> crates/wasmv/src/net/socket.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Socket {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 12 |     /// Associated file descriptor.
[INFO] [stdout] 13 |     fd: FdId,
[INFO] [stdout]    |     ^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     address_family: AddressFamily,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Socket` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `try_recv` is never used
[INFO] [stdout]   --> crates/wasmv/src/net/tun.rs:34:18
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Tun {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub async fn try_recv(&self, buf: &mut [u8]) -> std::io::Result<usize> {
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `first_non_empty_iovec` is never used
[INFO] [stdout]     --> crates/wasmv/src/wasi/preview1.rs:1455:4
[INFO] [stdout]      |
[INFO] [stdout] 1455 | fn first_non_empty_iovec(
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_bytes_from_ptr` is never used
[INFO] [stdout]     --> crates/wasmv/src/wasi/preview1.rs:1508:4
[INFO] [stdout]      |
[INFO] [stdout] 1508 | fn read_bytes_from_ptr(
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking wasmv-wasmtime v0.1.0 (/opt/rustwide/workdir/crates/wasmv-wasmtime)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 11s
[INFO] running `Command { std: "docker" "inspect" "c5f15434330814d59cf7ce96184433e42de858dc17c7fe71d1133e705192a613", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5f15434330814d59cf7ce96184433e42de858dc17c7fe71d1133e705192a613", kill_on_drop: false }`
[INFO] [stdout] c5f15434330814d59cf7ce96184433e42de858dc17c7fe71d1133e705192a613
