[INFO] cloning repository https://github.com/GoldsteinE/comma
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GoldsteinE/comma" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGoldsteinE%2Fcomma", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGoldsteinE%2Fcomma'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c887b65660cbad5fa3e20459ea803902c161222
[INFO] checking GoldsteinE/comma against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGoldsteinE%2Fcomma" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GoldsteinE/comma on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/GoldsteinE/comma
[INFO] finished tweaking git repo https://github.com/GoldsteinE/comma
[INFO] tweaked toml for git repo https://github.com/GoldsteinE/comma written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/GoldsteinE/comma 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nanorand v0.6.1
[INFO] [stderr]   Downloaded flume v0.10.8
[INFO] [stderr]   Downloaded num_enum_derive v0.5.3
[INFO] [stderr]   Downloaded futures-core v0.3.16
[INFO] [stderr]   Downloaded futures-sink v0.3.16
[INFO] [stderr]   Downloaded spinning_top v0.2.4
[INFO] [stderr]   Downloaded proc-macro-crate v1.0.0
[INFO] [stderr]   Downloaded num_enum v0.5.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 212d1d77cecf23f76f88bbacfb388b5e28b983dabaadaf87db2d15fcac388ae9
[INFO] running `Command { std: "docker" "start" "-a" "212d1d77cecf23f76f88bbacfb388b5e28b983dabaadaf87db2d15fcac388ae9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "212d1d77cecf23f76f88bbacfb388b5e28b983dabaadaf87db2d15fcac388ae9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "212d1d77cecf23f76f88bbacfb388b5e28b983dabaadaf87db2d15fcac388ae9", kill_on_drop: false }`
[INFO] [stdout] 212d1d77cecf23f76f88bbacfb388b5e28b983dabaadaf87db2d15fcac388ae9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 185c517ba0dee7dab3350a19b3f1244a48618b4eb501afd806eee172372eb500
[INFO] running `Command { std: "docker" "start" "-a" "185c517ba0dee7dab3350a19b3f1244a48618b4eb501afd806eee172372eb500", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]    Compiling eyre v0.6.5
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]     Checking rustc-demangle v0.1.20
[INFO] [stderr]     Checking owo-colors v1.3.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking futures-sink v0.3.16
[INFO] [stderr]     Checking spinning_top v0.2.4
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]     Checking object v0.26.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking nix v0.22.0
[INFO] [stderr]     Checking nanorand v0.6.1
[INFO] [stderr]     Checking addr2line v0.16.0
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking flume v0.10.8
[INFO] [stderr]     Checking tracing-subscriber v0.2.19
[INFO] [stderr]     Checking tracing-error v0.1.2
[INFO] [stderr]     Checking color-spantrace v0.1.6
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]     Checking color-eyre v0.5.11
[INFO] [stderr]    Compiling proc-macro-crate v1.0.0
[INFO] [stderr]    Compiling num_enum_derive v0.5.3
[INFO] [stderr]     Checking num_enum v0.5.3
[INFO] [stderr]     Checking comma v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/syscall.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |     let n: c_long = ptrace::read(pid, addr as _)?;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/syscall.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |     let n: c_long = ptrace::read(pid, addr as _)?;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `flags`, `mode`, and `resolve` are never read
[INFO] [stdout]   --> src/syscall.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct OpenHow {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 24 |     pub flags: u64,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 25 |     pub mode: u64,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 26 |     pub resolve: u64,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `OpenHow` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dir`, `filename`, `flags`, and `mode` are never read
[INFO] [stdout]    --> src/syscall.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 136 |     Open {
[INFO] [stdout]     |     ---- fields in this variant
[INFO] [stdout] 137 |         dir: Option<PathBuf>,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 138 |         filename: PathBuf,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 139 |         flags: c_int,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 140 |         mode: c_umode_t,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dir`, `filename`, `flags`, and `mode` are never read
[INFO] [stdout]    --> src/syscall.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 142 |     OpenAt {
[INFO] [stdout]     |     ------ fields in this variant
[INFO] [stdout] 143 |         dir: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 144 |         filename: PathBuf,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 145 |         flags: c_int,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 146 |         mode: c_umode_t,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dir`, `filename`, `how`, and `size` are never read
[INFO] [stdout]    --> src/syscall.rs:149:9
[INFO] [stdout]     |
[INFO] [stdout] 148 |     OpenAt2 {
[INFO] [stdout]     |     ------- fields in this variant
[INFO] [stdout] 149 |         dir: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 150 |         filename: PathBuf,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 151 |         how: OpenHow,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 152 |         size: isize,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dir`, `filename`, and `length` are never read
[INFO] [stdout]    --> src/syscall.rs:155:9
[INFO] [stdout]     |
[INFO] [stdout] 154 |     Truncate {
[INFO] [stdout]     |     -------- fields in this variant
[INFO] [stdout] 155 |         dir: Option<PathBuf>,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 156 |         filename: PathBuf,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 157 |         length: c_long,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `filename` and `length` are never read
[INFO] [stdout]    --> src/syscall.rs:160:9
[INFO] [stdout]     |
[INFO] [stdout] 159 |     Ftruncate {
[INFO] [stdout]     |     --------- fields in this variant
[INFO] [stdout] 160 |         filename: PathBuf,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 161 |         length: c_long,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dir`, `old`, and `new` are never read
[INFO] [stdout]    --> src/syscall.rs:164:9
[INFO] [stdout]     |
[INFO] [stdout] 163 |     Rename {
[INFO] [stdout]     |     ------ fields in this variant
[INFO] [stdout] 164 |         dir: Option<PathBuf>,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 165 |         old: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 166 |         new: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `old_dir`, `old`, `new_dir`, and `new` are never read
[INFO] [stdout]    --> src/syscall.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 168 |     RenameAt {
[INFO] [stdout]     |     -------- fields in this variant
[INFO] [stdout] 169 |         old_dir: PathBuf,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 170 |         old: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 171 |         new_dir: PathBuf,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 172 |         new: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `old_dir`, `old`, `new_dir`, `new`, and `flags` are never read
[INFO] [stdout]    --> src/syscall.rs:175:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |     RenameAt2 {
[INFO] [stdout]     |     --------- fields in this variant
[INFO] [stdout] 175 |         old_dir: PathBuf,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 176 |         old: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 177 |         new_dir: PathBuf,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 178 |         new: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 179 |         flags: c_uint,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `parent`, `path`, and `mode` are never read
[INFO] [stdout]    --> src/syscall.rs:182:9
[INFO] [stdout]     |
[INFO] [stdout] 181 |     Mkdir {
[INFO] [stdout]     |     ----- fields in this variant
[INFO] [stdout] 182 |         parent: Option<PathBuf>,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 183 |         path: PathBuf,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 184 |         mode: c_umode_t,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `parent`, `path`, and `mode` are never read
[INFO] [stdout]    --> src/syscall.rs:187:9
[INFO] [stdout]     |
[INFO] [stdout] 186 |     MkdirAt {
[INFO] [stdout]     |     ------- fields in this variant
[INFO] [stdout] 187 |         parent: PathBuf,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 188 |         path: PathBuf,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 189 |         mode: c_umode_t,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `parent` and `path` are never read
[INFO] [stdout]    --> src/syscall.rs:192:9
[INFO] [stdout]     |
[INFO] [stdout] 191 |     Rmdir {
[INFO] [stdout]     |     ----- fields in this variant
[INFO] [stdout] 192 |         parent: Option<PathBuf>,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 193 |         path: PathBuf,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dir`, `path`, and `mode` are never read
[INFO] [stdout]    --> src/syscall.rs:196:9
[INFO] [stdout]     |
[INFO] [stdout] 195 |     Creat {
[INFO] [stdout]     |     ----- fields in this variant
[INFO] [stdout] 196 |         dir: Option<PathBuf>,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 197 |         path: PathBuf,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 198 |         mode: c_umode_t,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dir`, `old`, and `new` are never read
[INFO] [stdout]    --> src/syscall.rs:201:9
[INFO] [stdout]     |
[INFO] [stdout] 200 |     Link {
[INFO] [stdout]     |     ---- fields in this variant
[INFO] [stdout] 201 |         dir: Option<PathBuf>,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 202 |         old: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 203 |         new: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `old_dir`, `old`, `new_dir`, `new`, and `flags` are never read
[INFO] [stdout]    --> src/syscall.rs:206:9
[INFO] [stdout]     |
[INFO] [stdout] 205 |     LinkAt {
[INFO] [stdout]     |     ------ fields in this variant
[INFO] [stdout] 206 |         old_dir: PathBuf,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 207 |         old: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 208 |         new_dir: PathBuf,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 209 |         new: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 210 |         flags: c_int,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dir` and `path` are never read
[INFO] [stdout]    --> src/syscall.rs:213:9
[INFO] [stdout]     |
[INFO] [stdout] 212 |     Unlink {
[INFO] [stdout]     |     ------ fields in this variant
[INFO] [stdout] 213 |         dir: Option<PathBuf>,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 214 |         path: PathBuf,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dir`, `path`, and `flag` are never read
[INFO] [stdout]    --> src/syscall.rs:217:9
[INFO] [stdout]     |
[INFO] [stdout] 216 |     UnlinkAt {
[INFO] [stdout]     |     -------- fields in this variant
[INFO] [stdout] 217 |         dir: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 218 |         path: PathBuf,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 219 |         flag: c_int,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `cwd`, `old`, and `new` are never read
[INFO] [stdout]    --> src/syscall.rs:222:9
[INFO] [stdout]     |
[INFO] [stdout] 221 |     Symlink {
[INFO] [stdout]     |     ------- fields in this variant
[INFO] [stdout] 222 |         cwd: Option<PathBuf>,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 223 |         old: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 224 |         new: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `cwd`, `old`, `new_dir`, and `new` are never read
[INFO] [stdout]    --> src/syscall.rs:227:9
[INFO] [stdout]     |
[INFO] [stdout] 226 |     SymlinkAt {
[INFO] [stdout]     |     --------- fields in this variant
[INFO] [stdout] 227 |         cwd: Option<PathBuf>,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 228 |         old: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 229 |         new_dir: PathBuf,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 230 |         new: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dir`, `path`, `mode`, and `dev` are never read
[INFO] [stdout]    --> src/syscall.rs:233:9
[INFO] [stdout]     |
[INFO] [stdout] 232 |     Mknod {
[INFO] [stdout]     |     ----- fields in this variant
[INFO] [stdout] 233 |         dir: Option<PathBuf>,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 234 |         path: PathBuf,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 235 |         mode: c_umode_t,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 236 |         dev: c_uint,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dir`, `path`, `mode`, and `dev` are never read
[INFO] [stdout]    --> src/syscall.rs:239:9
[INFO] [stdout]     |
[INFO] [stdout] 238 |     MknodAt {
[INFO] [stdout]     |     ------- fields in this variant
[INFO] [stdout] 239 |         dir: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 240 |         path: PathBuf,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 241 |         mode: c_umode_t,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 242 |         dev: c_uint,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syscall.rs:244:11
[INFO] [stdout]     |
[INFO] [stdout] 244 |     Other(SyscallNr),
[INFO] [stdout]     |     ----- ^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 244 |     Other(()),
[INFO] [stdout]     |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syscall.rs:245:13
[INFO] [stdout]     |
[INFO] [stdout] 245 |     Unknown(u64),
[INFO] [stdout]     |     ------- ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 245 |     Unknown(()),
[INFO] [stdout]     |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `pid`, `wstatus`, `options`, and `rusage` are never read
[INFO] [stdout]    --> src/syscall.rs:248:9
[INFO] [stdout]     |
[INFO] [stdout] 247 |     Wait4 {
[INFO] [stdout]     |     ----- fields in this variant
[INFO] [stdout] 248 |         pid: pid_t,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 249 |         wstatus: usize,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 250 |         options: c_int,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 251 |         rusage: usize,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `nfds`, `readfds`, `writefds`, `exceptfds`, and `timeout` are never read
[INFO] [stdout]    --> src/syscall.rs:254:9
[INFO] [stdout]     |
[INFO] [stdout] 253 |     Select {
[INFO] [stdout]     |     ------ fields in this variant
[INFO] [stdout] 254 |         nfds: c_int,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 255 |         readfds: Option<DebuggableFdSet>,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 256 |         writefds: Option<DebuggableFdSet>,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 257 |         exceptfds: Option<DebuggableFdSet>,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 258 |         timeout: usize,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `clone_flags`, `newsp`, `parent_tidptr`, `child_tidptr`, and `tls_val` are never read
[INFO] [stdout]    --> src/syscall.rs:261:9
[INFO] [stdout]     |
[INFO] [stdout] 260 |     Clone {
[INFO] [stdout]     |     ----- fields in this variant
[INFO] [stdout] 261 |         clone_flags: c_ulong,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 262 |         newsp: c_ulong,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 263 |         parent_tidptr: usize,
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 264 |         child_tidptr: usize,
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 265 |         tls_val: c_int,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `fd`, `buf`, and `count` are never read
[INFO] [stdout]    --> src/syscall.rs:268:9
[INFO] [stdout]     |
[INFO] [stdout] 267 |     Read {
[INFO] [stdout]     |     ---- fields in this variant
[INFO] [stdout] 268 |         fd: c_uint,
[INFO] [stdout]     |         ^^
[INFO] [stdout] 269 |         buf: usize,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 270 |         count: usize,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 28 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `flags`, `mode`, and `resolve` are never read
[INFO] [stdout]   --> src/syscall.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct OpenHow {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 24 |     pub flags: u64,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 25 |     pub mode: u64,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 26 |     pub resolve: u64,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `OpenHow` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dir`, `filename`, `flags`, and `mode` are never read
[INFO] [stdout]    --> src/syscall.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 136 |     Open {
[INFO] [stdout]     |     ---- fields in this variant
[INFO] [stdout] 137 |         dir: Option<PathBuf>,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 138 |         filename: PathBuf,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 139 |         flags: c_int,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 140 |         mode: c_umode_t,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dir`, `filename`, `flags`, and `mode` are never read
[INFO] [stdout]    --> src/syscall.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 142 |     OpenAt {
[INFO] [stdout]     |     ------ fields in this variant
[INFO] [stdout] 143 |         dir: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 144 |         filename: PathBuf,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 145 |         flags: c_int,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 146 |         mode: c_umode_t,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dir`, `filename`, `how`, and `size` are never read
[INFO] [stdout]    --> src/syscall.rs:149:9
[INFO] [stdout]     |
[INFO] [stdout] 148 |     OpenAt2 {
[INFO] [stdout]     |     ------- fields in this variant
[INFO] [stdout] 149 |         dir: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 150 |         filename: PathBuf,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 151 |         how: OpenHow,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 152 |         size: isize,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dir`, `filename`, and `length` are never read
[INFO] [stdout]    --> src/syscall.rs:155:9
[INFO] [stdout]     |
[INFO] [stdout] 154 |     Truncate {
[INFO] [stdout]     |     -------- fields in this variant
[INFO] [stdout] 155 |         dir: Option<PathBuf>,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 156 |         filename: PathBuf,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 157 |         length: c_long,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `filename` and `length` are never read
[INFO] [stdout]    --> src/syscall.rs:160:9
[INFO] [stdout]     |
[INFO] [stdout] 159 |     Ftruncate {
[INFO] [stdout]     |     --------- fields in this variant
[INFO] [stdout] 160 |         filename: PathBuf,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 161 |         length: c_long,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dir`, `old`, and `new` are never read
[INFO] [stdout]    --> src/syscall.rs:164:9
[INFO] [stdout]     |
[INFO] [stdout] 163 |     Rename {
[INFO] [stdout]     |     ------ fields in this variant
[INFO] [stdout] 164 |         dir: Option<PathBuf>,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 165 |         old: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 166 |         new: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `old_dir`, `old`, `new_dir`, and `new` are never read
[INFO] [stdout]    --> src/syscall.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 168 |     RenameAt {
[INFO] [stdout]     |     -------- fields in this variant
[INFO] [stdout] 169 |         old_dir: PathBuf,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 170 |         old: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 171 |         new_dir: PathBuf,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 172 |         new: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `old_dir`, `old`, `new_dir`, `new`, and `flags` are never read
[INFO] [stdout]    --> src/syscall.rs:175:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |     RenameAt2 {
[INFO] [stdout]     |     --------- fields in this variant
[INFO] [stdout] 175 |         old_dir: PathBuf,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 176 |         old: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 177 |         new_dir: PathBuf,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 178 |         new: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 179 |         flags: c_uint,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `parent`, `path`, and `mode` are never read
[INFO] [stdout]    --> src/syscall.rs:182:9
[INFO] [stdout]     |
[INFO] [stdout] 181 |     Mkdir {
[INFO] [stdout]     |     ----- fields in this variant
[INFO] [stdout] 182 |         parent: Option<PathBuf>,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 183 |         path: PathBuf,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 184 |         mode: c_umode_t,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `parent`, `path`, and `mode` are never read
[INFO] [stdout]    --> src/syscall.rs:187:9
[INFO] [stdout]     |
[INFO] [stdout] 186 |     MkdirAt {
[INFO] [stdout]     |     ------- fields in this variant
[INFO] [stdout] 187 |         parent: PathBuf,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 188 |         path: PathBuf,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 189 |         mode: c_umode_t,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `parent` and `path` are never read
[INFO] [stdout]    --> src/syscall.rs:192:9
[INFO] [stdout]     |
[INFO] [stdout] 191 |     Rmdir {
[INFO] [stdout]     |     ----- fields in this variant
[INFO] [stdout] 192 |         parent: Option<PathBuf>,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 193 |         path: PathBuf,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dir`, `path`, and `mode` are never read
[INFO] [stdout]    --> src/syscall.rs:196:9
[INFO] [stdout]     |
[INFO] [stdout] 195 |     Creat {
[INFO] [stdout]     |     ----- fields in this variant
[INFO] [stdout] 196 |         dir: Option<PathBuf>,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 197 |         path: PathBuf,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 198 |         mode: c_umode_t,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dir`, `old`, and `new` are never read
[INFO] [stdout]    --> src/syscall.rs:201:9
[INFO] [stdout]     |
[INFO] [stdout] 200 |     Link {
[INFO] [stdout]     |     ---- fields in this variant
[INFO] [stdout] 201 |         dir: Option<PathBuf>,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 202 |         old: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 203 |         new: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `old_dir`, `old`, `new_dir`, `new`, and `flags` are never read
[INFO] [stdout]    --> src/syscall.rs:206:9
[INFO] [stdout]     |
[INFO] [stdout] 205 |     LinkAt {
[INFO] [stdout]     |     ------ fields in this variant
[INFO] [stdout] 206 |         old_dir: PathBuf,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 207 |         old: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 208 |         new_dir: PathBuf,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 209 |         new: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 210 |         flags: c_int,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dir` and `path` are never read
[INFO] [stdout]    --> src/syscall.rs:213:9
[INFO] [stdout]     |
[INFO] [stdout] 212 |     Unlink {
[INFO] [stdout]     |     ------ fields in this variant
[INFO] [stdout] 213 |         dir: Option<PathBuf>,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 214 |         path: PathBuf,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dir`, `path`, and `flag` are never read
[INFO] [stdout]    --> src/syscall.rs:217:9
[INFO] [stdout]     |
[INFO] [stdout] 216 |     UnlinkAt {
[INFO] [stdout]     |     -------- fields in this variant
[INFO] [stdout] 217 |         dir: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 218 |         path: PathBuf,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 219 |         flag: c_int,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `cwd`, `old`, and `new` are never read
[INFO] [stdout]    --> src/syscall.rs:222:9
[INFO] [stdout]     |
[INFO] [stdout] 221 |     Symlink {
[INFO] [stdout]     |     ------- fields in this variant
[INFO] [stdout] 222 |         cwd: Option<PathBuf>,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 223 |         old: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 224 |         new: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `cwd`, `old`, `new_dir`, and `new` are never read
[INFO] [stdout]    --> src/syscall.rs:227:9
[INFO] [stdout]     |
[INFO] [stdout] 226 |     SymlinkAt {
[INFO] [stdout]     |     --------- fields in this variant
[INFO] [stdout] 227 |         cwd: Option<PathBuf>,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 228 |         old: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 229 |         new_dir: PathBuf,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 230 |         new: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dir`, `path`, `mode`, and `dev` are never read
[INFO] [stdout]    --> src/syscall.rs:233:9
[INFO] [stdout]     |
[INFO] [stdout] 232 |     Mknod {
[INFO] [stdout]     |     ----- fields in this variant
[INFO] [stdout] 233 |         dir: Option<PathBuf>,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 234 |         path: PathBuf,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 235 |         mode: c_umode_t,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 236 |         dev: c_uint,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dir`, `path`, `mode`, and `dev` are never read
[INFO] [stdout]    --> src/syscall.rs:239:9
[INFO] [stdout]     |
[INFO] [stdout] 238 |     MknodAt {
[INFO] [stdout]     |     ------- fields in this variant
[INFO] [stdout] 239 |         dir: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 240 |         path: PathBuf,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 241 |         mode: c_umode_t,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 242 |         dev: c_uint,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syscall.rs:244:11
[INFO] [stdout]     |
[INFO] [stdout] 244 |     Other(SyscallNr),
[INFO] [stdout]     |     ----- ^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 244 |     Other(()),
[INFO] [stdout]     |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syscall.rs:245:13
[INFO] [stdout]     |
[INFO] [stdout] 245 |     Unknown(u64),
[INFO] [stdout]     |     ------- ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 245 |     Unknown(()),
[INFO] [stdout]     |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `pid`, `wstatus`, `options`, and `rusage` are never read
[INFO] [stdout]    --> src/syscall.rs:248:9
[INFO] [stdout]     |
[INFO] [stdout] 247 |     Wait4 {
[INFO] [stdout]     |     ----- fields in this variant
[INFO] [stdout] 248 |         pid: pid_t,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 249 |         wstatus: usize,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 250 |         options: c_int,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 251 |         rusage: usize,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `nfds`, `readfds`, `writefds`, `exceptfds`, and `timeout` are never read
[INFO] [stdout]    --> src/syscall.rs:254:9
[INFO] [stdout]     |
[INFO] [stdout] 253 |     Select {
[INFO] [stdout]     |     ------ fields in this variant
[INFO] [stdout] 254 |         nfds: c_int,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 255 |         readfds: Option<DebuggableFdSet>,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 256 |         writefds: Option<DebuggableFdSet>,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 257 |         exceptfds: Option<DebuggableFdSet>,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 258 |         timeout: usize,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `clone_flags`, `newsp`, `parent_tidptr`, `child_tidptr`, and `tls_val` are never read
[INFO] [stdout]    --> src/syscall.rs:261:9
[INFO] [stdout]     |
[INFO] [stdout] 260 |     Clone {
[INFO] [stdout]     |     ----- fields in this variant
[INFO] [stdout] 261 |         clone_flags: c_ulong,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 262 |         newsp: c_ulong,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 263 |         parent_tidptr: usize,
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 264 |         child_tidptr: usize,
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 265 |         tls_val: c_int,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `fd`, `buf`, and `count` are never read
[INFO] [stdout]    --> src/syscall.rs:268:9
[INFO] [stdout]     |
[INFO] [stdout] 267 |     Read {
[INFO] [stdout]     |     ---- fields in this variant
[INFO] [stdout] 268 |         fd: c_uint,
[INFO] [stdout]     |         ^^
[INFO] [stdout] 269 |         buf: usize,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 270 |         count: usize,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 28 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.97s
[INFO] running `Command { std: "docker" "inspect" "185c517ba0dee7dab3350a19b3f1244a48618b4eb501afd806eee172372eb500", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "185c517ba0dee7dab3350a19b3f1244a48618b4eb501afd806eee172372eb500", kill_on_drop: false }`
[INFO] [stdout] 185c517ba0dee7dab3350a19b3f1244a48618b4eb501afd806eee172372eb500
[INFO] checking GoldsteinE/comma against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGoldsteinE%2Fcomma" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GoldsteinE/comma on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/GoldsteinE/comma
[INFO] finished tweaking git repo https://github.com/GoldsteinE/comma
[INFO] tweaked toml for git repo https://github.com/GoldsteinE/comma written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/GoldsteinE/comma 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 094eb829a072bf5f2c39d290b99fdb7d9dece907b70aef7be7de5898d3697b91
[INFO] running `Command { std: "docker" "start" "-a" "094eb829a072bf5f2c39d290b99fdb7d9dece907b70aef7be7de5898d3697b91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "094eb829a072bf5f2c39d290b99fdb7d9dece907b70aef7be7de5898d3697b91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "094eb829a072bf5f2c39d290b99fdb7d9dece907b70aef7be7de5898d3697b91", kill_on_drop: false }`
[INFO] [stdout] 094eb829a072bf5f2c39d290b99fdb7d9dece907b70aef7be7de5898d3697b91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f4790fa62fd75196d9285b189075fcf8a0e5e97a2e505b9d14a98df0c696398
[INFO] running `Command { std: "docker" "start" "-a" "8f4790fa62fd75196d9285b189075fcf8a0e5e97a2e505b9d14a98df0c696398", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling eyre v0.6.5
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]     Checking rustc-demangle v0.1.20
[INFO] [stderr]     Checking owo-colors v1.3.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking futures-sink v0.3.16
[INFO] [stderr]     Checking spinning_top v0.2.4
[INFO] [stderr]     Checking object v0.26.0
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking nix v0.22.0
[INFO] [stderr]     Checking nanorand v0.6.1
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking flume v0.10.8
[INFO] [stderr]     Checking addr2line v0.16.0
[INFO] [stderr]     Checking tracing-subscriber v0.2.19
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]     Checking tracing-error v0.1.2
[INFO] [stderr]     Checking color-spantrace v0.1.6
[INFO] [stderr]     Checking color-eyre v0.5.11
[INFO] [stderr]    Compiling proc-macro-crate v1.0.0
[INFO] [stderr]    Compiling num_enum_derive v0.5.3
[INFO] [stderr]     Checking num_enum v0.5.3
[INFO] [stderr]     Checking comma v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/syscall.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |     let n: c_long = ptrace::read(pid, addr as _)?;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/syscall.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |     let n: c_long = ptrace::read(pid, addr as _)?;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `flags`, `mode`, and `resolve` are never read
[INFO] [stdout]   --> src/syscall.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct OpenHow {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 24 |     pub flags: u64,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 25 |     pub mode: u64,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 26 |     pub resolve: u64,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `OpenHow` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dir`, `filename`, `flags`, and `mode` are never read
[INFO] [stdout]    --> src/syscall.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 136 |     Open {
[INFO] [stdout]     |     ---- fields in this variant
[INFO] [stdout] 137 |         dir: Option<PathBuf>,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 138 |         filename: PathBuf,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 139 |         flags: c_int,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 140 |         mode: c_umode_t,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dir`, `filename`, `flags`, and `mode` are never read
[INFO] [stdout]    --> src/syscall.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 142 |     OpenAt {
[INFO] [stdout]     |     ------ fields in this variant
[INFO] [stdout] 143 |         dir: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 144 |         filename: PathBuf,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 145 |         flags: c_int,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 146 |         mode: c_umode_t,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dir`, `filename`, `how`, and `size` are never read
[INFO] [stdout]    --> src/syscall.rs:149:9
[INFO] [stdout]     |
[INFO] [stdout] 148 |     OpenAt2 {
[INFO] [stdout]     |     ------- fields in this variant
[INFO] [stdout] 149 |         dir: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 150 |         filename: PathBuf,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 151 |         how: OpenHow,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 152 |         size: isize,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dir`, `filename`, and `length` are never read
[INFO] [stdout]    --> src/syscall.rs:155:9
[INFO] [stdout]     |
[INFO] [stdout] 154 |     Truncate {
[INFO] [stdout]     |     -------- fields in this variant
[INFO] [stdout] 155 |         dir: Option<PathBuf>,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 156 |         filename: PathBuf,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 157 |         length: c_long,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `filename` and `length` are never read
[INFO] [stdout]    --> src/syscall.rs:160:9
[INFO] [stdout]     |
[INFO] [stdout] 159 |     Ftruncate {
[INFO] [stdout]     |     --------- fields in this variant
[INFO] [stdout] 160 |         filename: PathBuf,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 161 |         length: c_long,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dir`, `old`, and `new` are never read
[INFO] [stdout]    --> src/syscall.rs:164:9
[INFO] [stdout]     |
[INFO] [stdout] 163 |     Rename {
[INFO] [stdout]     |     ------ fields in this variant
[INFO] [stdout] 164 |         dir: Option<PathBuf>,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 165 |         old: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 166 |         new: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `old_dir`, `old`, `new_dir`, and `new` are never read
[INFO] [stdout]    --> src/syscall.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 168 |     RenameAt {
[INFO] [stdout]     |     -------- fields in this variant
[INFO] [stdout] 169 |         old_dir: PathBuf,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 170 |         old: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 171 |         new_dir: PathBuf,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 172 |         new: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `old_dir`, `old`, `new_dir`, `new`, and `flags` are never read
[INFO] [stdout]    --> src/syscall.rs:175:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |     RenameAt2 {
[INFO] [stdout]     |     --------- fields in this variant
[INFO] [stdout] 175 |         old_dir: PathBuf,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 176 |         old: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 177 |         new_dir: PathBuf,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 178 |         new: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 179 |         flags: c_uint,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `parent`, `path`, and `mode` are never read
[INFO] [stdout]    --> src/syscall.rs:182:9
[INFO] [stdout]     |
[INFO] [stdout] 181 |     Mkdir {
[INFO] [stdout]     |     ----- fields in this variant
[INFO] [stdout] 182 |         parent: Option<PathBuf>,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 183 |         path: PathBuf,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 184 |         mode: c_umode_t,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `parent`, `path`, and `mode` are never read
[INFO] [stdout]    --> src/syscall.rs:187:9
[INFO] [stdout]     |
[INFO] [stdout] 186 |     MkdirAt {
[INFO] [stdout]     |     ------- fields in this variant
[INFO] [stdout] 187 |         parent: PathBuf,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 188 |         path: PathBuf,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 189 |         mode: c_umode_t,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `parent` and `path` are never read
[INFO] [stdout]    --> src/syscall.rs:192:9
[INFO] [stdout]     |
[INFO] [stdout] 191 |     Rmdir {
[INFO] [stdout]     |     ----- fields in this variant
[INFO] [stdout] 192 |         parent: Option<PathBuf>,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 193 |         path: PathBuf,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dir`, `path`, and `mode` are never read
[INFO] [stdout]    --> src/syscall.rs:196:9
[INFO] [stdout]     |
[INFO] [stdout] 195 |     Creat {
[INFO] [stdout]     |     ----- fields in this variant
[INFO] [stdout] 196 |         dir: Option<PathBuf>,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 197 |         path: PathBuf,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 198 |         mode: c_umode_t,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dir`, `old`, and `new` are never read
[INFO] [stdout]    --> src/syscall.rs:201:9
[INFO] [stdout]     |
[INFO] [stdout] 200 |     Link {
[INFO] [stdout]     |     ---- fields in this variant
[INFO] [stdout] 201 |         dir: Option<PathBuf>,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 202 |         old: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 203 |         new: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `old_dir`, `old`, `new_dir`, `new`, and `flags` are never read
[INFO] [stdout]    --> src/syscall.rs:206:9
[INFO] [stdout]     |
[INFO] [stdout] 205 |     LinkAt {
[INFO] [stdout]     |     ------ fields in this variant
[INFO] [stdout] 206 |         old_dir: PathBuf,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 207 |         old: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 208 |         new_dir: PathBuf,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 209 |         new: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 210 |         flags: c_int,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dir` and `path` are never read
[INFO] [stdout]    --> src/syscall.rs:213:9
[INFO] [stdout]     |
[INFO] [stdout] 212 |     Unlink {
[INFO] [stdout]     |     ------ fields in this variant
[INFO] [stdout] 213 |         dir: Option<PathBuf>,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 214 |         path: PathBuf,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dir`, `path`, and `flag` are never read
[INFO] [stdout]    --> src/syscall.rs:217:9
[INFO] [stdout]     |
[INFO] [stdout] 216 |     UnlinkAt {
[INFO] [stdout]     |     -------- fields in this variant
[INFO] [stdout] 217 |         dir: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 218 |         path: PathBuf,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 219 |         flag: c_int,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `cwd`, `old`, and `new` are never read
[INFO] [stdout]    --> src/syscall.rs:222:9
[INFO] [stdout]     |
[INFO] [stdout] 221 |     Symlink {
[INFO] [stdout]     |     ------- fields in this variant
[INFO] [stdout] 222 |         cwd: Option<PathBuf>,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 223 |         old: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 224 |         new: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `cwd`, `old`, `new_dir`, and `new` are never read
[INFO] [stdout]    --> src/syscall.rs:227:9
[INFO] [stdout]     |
[INFO] [stdout] 226 |     SymlinkAt {
[INFO] [stdout]     |     --------- fields in this variant
[INFO] [stdout] 227 |         cwd: Option<PathBuf>,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 228 |         old: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 229 |         new_dir: PathBuf,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 230 |         new: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dir`, `path`, `mode`, and `dev` are never read
[INFO] [stdout]    --> src/syscall.rs:233:9
[INFO] [stdout]     |
[INFO] [stdout] 232 |     Mknod {
[INFO] [stdout]     |     ----- fields in this variant
[INFO] [stdout] 233 |         dir: Option<PathBuf>,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 234 |         path: PathBuf,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 235 |         mode: c_umode_t,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 236 |         dev: c_uint,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dir`, `path`, `mode`, and `dev` are never read
[INFO] [stdout]    --> src/syscall.rs:239:9
[INFO] [stdout]     |
[INFO] [stdout] 238 |     MknodAt {
[INFO] [stdout]     |     ------- fields in this variant
[INFO] [stdout] 239 |         dir: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 240 |         path: PathBuf,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 241 |         mode: c_umode_t,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 242 |         dev: c_uint,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syscall.rs:244:11
[INFO] [stdout]     |
[INFO] [stdout] 244 |     Other(SyscallNr),
[INFO] [stdout]     |     ----- ^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 244 |     Other(()),
[INFO] [stdout]     |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syscall.rs:245:13
[INFO] [stdout]     |
[INFO] [stdout] 245 |     Unknown(u64),
[INFO] [stdout]     |     ------- ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 245 |     Unknown(()),
[INFO] [stdout]     |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `pid`, `wstatus`, `options`, and `rusage` are never read
[INFO] [stdout]    --> src/syscall.rs:248:9
[INFO] [stdout]     |
[INFO] [stdout] 247 |     Wait4 {
[INFO] [stdout]     |     ----- fields in this variant
[INFO] [stdout] 248 |         pid: pid_t,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 249 |         wstatus: usize,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 250 |         options: c_int,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 251 |         rusage: usize,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `nfds`, `readfds`, `writefds`, `exceptfds`, and `timeout` are never read
[INFO] [stdout]    --> src/syscall.rs:254:9
[INFO] [stdout]     |
[INFO] [stdout] 253 |     Select {
[INFO] [stdout]     |     ------ fields in this variant
[INFO] [stdout] 254 |         nfds: c_int,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 255 |         readfds: Option<DebuggableFdSet>,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 256 |         writefds: Option<DebuggableFdSet>,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 257 |         exceptfds: Option<DebuggableFdSet>,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 258 |         timeout: usize,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `clone_flags`, `newsp`, `parent_tidptr`, `child_tidptr`, and `tls_val` are never read
[INFO] [stdout]    --> src/syscall.rs:261:9
[INFO] [stdout]     |
[INFO] [stdout] 260 |     Clone {
[INFO] [stdout]     |     ----- fields in this variant
[INFO] [stdout] 261 |         clone_flags: c_ulong,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 262 |         newsp: c_ulong,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 263 |         parent_tidptr: usize,
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 264 |         child_tidptr: usize,
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 265 |         tls_val: c_int,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `fd`, `buf`, and `count` are never read
[INFO] [stdout]    --> src/syscall.rs:268:9
[INFO] [stdout]     |
[INFO] [stdout] 267 |     Read {
[INFO] [stdout]     |     ---- fields in this variant
[INFO] [stdout] 268 |         fd: c_uint,
[INFO] [stdout]     |         ^^
[INFO] [stdout] 269 |         buf: usize,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 270 |         count: usize,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 28 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `flags`, `mode`, and `resolve` are never read
[INFO] [stdout]   --> src/syscall.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct OpenHow {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 24 |     pub flags: u64,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 25 |     pub mode: u64,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 26 |     pub resolve: u64,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `OpenHow` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dir`, `filename`, `flags`, and `mode` are never read
[INFO] [stdout]    --> src/syscall.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 136 |     Open {
[INFO] [stdout]     |     ---- fields in this variant
[INFO] [stdout] 137 |         dir: Option<PathBuf>,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 138 |         filename: PathBuf,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 139 |         flags: c_int,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 140 |         mode: c_umode_t,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dir`, `filename`, `flags`, and `mode` are never read
[INFO] [stdout]    --> src/syscall.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 142 |     OpenAt {
[INFO] [stdout]     |     ------ fields in this variant
[INFO] [stdout] 143 |         dir: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 144 |         filename: PathBuf,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 145 |         flags: c_int,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 146 |         mode: c_umode_t,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dir`, `filename`, `how`, and `size` are never read
[INFO] [stdout]    --> src/syscall.rs:149:9
[INFO] [stdout]     |
[INFO] [stdout] 148 |     OpenAt2 {
[INFO] [stdout]     |     ------- fields in this variant
[INFO] [stdout] 149 |         dir: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 150 |         filename: PathBuf,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 151 |         how: OpenHow,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 152 |         size: isize,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dir`, `filename`, and `length` are never read
[INFO] [stdout]    --> src/syscall.rs:155:9
[INFO] [stdout]     |
[INFO] [stdout] 154 |     Truncate {
[INFO] [stdout]     |     -------- fields in this variant
[INFO] [stdout] 155 |         dir: Option<PathBuf>,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 156 |         filename: PathBuf,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 157 |         length: c_long,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `filename` and `length` are never read
[INFO] [stdout]    --> src/syscall.rs:160:9
[INFO] [stdout]     |
[INFO] [stdout] 159 |     Ftruncate {
[INFO] [stdout]     |     --------- fields in this variant
[INFO] [stdout] 160 |         filename: PathBuf,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 161 |         length: c_long,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dir`, `old`, and `new` are never read
[INFO] [stdout]    --> src/syscall.rs:164:9
[INFO] [stdout]     |
[INFO] [stdout] 163 |     Rename {
[INFO] [stdout]     |     ------ fields in this variant
[INFO] [stdout] 164 |         dir: Option<PathBuf>,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 165 |         old: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 166 |         new: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `old_dir`, `old`, `new_dir`, and `new` are never read
[INFO] [stdout]    --> src/syscall.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 168 |     RenameAt {
[INFO] [stdout]     |     -------- fields in this variant
[INFO] [stdout] 169 |         old_dir: PathBuf,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 170 |         old: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 171 |         new_dir: PathBuf,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 172 |         new: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `old_dir`, `old`, `new_dir`, `new`, and `flags` are never read
[INFO] [stdout]    --> src/syscall.rs:175:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |     RenameAt2 {
[INFO] [stdout]     |     --------- fields in this variant
[INFO] [stdout] 175 |         old_dir: PathBuf,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 176 |         old: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 177 |         new_dir: PathBuf,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 178 |         new: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 179 |         flags: c_uint,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `parent`, `path`, and `mode` are never read
[INFO] [stdout]    --> src/syscall.rs:182:9
[INFO] [stdout]     |
[INFO] [stdout] 181 |     Mkdir {
[INFO] [stdout]     |     ----- fields in this variant
[INFO] [stdout] 182 |         parent: Option<PathBuf>,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 183 |         path: PathBuf,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 184 |         mode: c_umode_t,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `parent`, `path`, and `mode` are never read
[INFO] [stdout]    --> src/syscall.rs:187:9
[INFO] [stdout]     |
[INFO] [stdout] 186 |     MkdirAt {
[INFO] [stdout]     |     ------- fields in this variant
[INFO] [stdout] 187 |         parent: PathBuf,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 188 |         path: PathBuf,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 189 |         mode: c_umode_t,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `parent` and `path` are never read
[INFO] [stdout]    --> src/syscall.rs:192:9
[INFO] [stdout]     |
[INFO] [stdout] 191 |     Rmdir {
[INFO] [stdout]     |     ----- fields in this variant
[INFO] [stdout] 192 |         parent: Option<PathBuf>,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 193 |         path: PathBuf,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dir`, `path`, and `mode` are never read
[INFO] [stdout]    --> src/syscall.rs:196:9
[INFO] [stdout]     |
[INFO] [stdout] 195 |     Creat {
[INFO] [stdout]     |     ----- fields in this variant
[INFO] [stdout] 196 |         dir: Option<PathBuf>,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 197 |         path: PathBuf,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 198 |         mode: c_umode_t,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dir`, `old`, and `new` are never read
[INFO] [stdout]    --> src/syscall.rs:201:9
[INFO] [stdout]     |
[INFO] [stdout] 200 |     Link {
[INFO] [stdout]     |     ---- fields in this variant
[INFO] [stdout] 201 |         dir: Option<PathBuf>,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 202 |         old: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 203 |         new: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `old_dir`, `old`, `new_dir`, `new`, and `flags` are never read
[INFO] [stdout]    --> src/syscall.rs:206:9
[INFO] [stdout]     |
[INFO] [stdout] 205 |     LinkAt {
[INFO] [stdout]     |     ------ fields in this variant
[INFO] [stdout] 206 |         old_dir: PathBuf,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 207 |         old: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 208 |         new_dir: PathBuf,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 209 |         new: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 210 |         flags: c_int,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dir` and `path` are never read
[INFO] [stdout]    --> src/syscall.rs:213:9
[INFO] [stdout]     |
[INFO] [stdout] 212 |     Unlink {
[INFO] [stdout]     |     ------ fields in this variant
[INFO] [stdout] 213 |         dir: Option<PathBuf>,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 214 |         path: PathBuf,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dir`, `path`, and `flag` are never read
[INFO] [stdout]    --> src/syscall.rs:217:9
[INFO] [stdout]     |
[INFO] [stdout] 216 |     UnlinkAt {
[INFO] [stdout]     |     -------- fields in this variant
[INFO] [stdout] 217 |         dir: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 218 |         path: PathBuf,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 219 |         flag: c_int,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `cwd`, `old`, and `new` are never read
[INFO] [stdout]    --> src/syscall.rs:222:9
[INFO] [stdout]     |
[INFO] [stdout] 221 |     Symlink {
[INFO] [stdout]     |     ------- fields in this variant
[INFO] [stdout] 222 |         cwd: Option<PathBuf>,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 223 |         old: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 224 |         new: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `cwd`, `old`, `new_dir`, and `new` are never read
[INFO] [stdout]    --> src/syscall.rs:227:9
[INFO] [stdout]     |
[INFO] [stdout] 226 |     SymlinkAt {
[INFO] [stdout]     |     --------- fields in this variant
[INFO] [stdout] 227 |         cwd: Option<PathBuf>,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 228 |         old: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 229 |         new_dir: PathBuf,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 230 |         new: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dir`, `path`, `mode`, and `dev` are never read
[INFO] [stdout]    --> src/syscall.rs:233:9
[INFO] [stdout]     |
[INFO] [stdout] 232 |     Mknod {
[INFO] [stdout]     |     ----- fields in this variant
[INFO] [stdout] 233 |         dir: Option<PathBuf>,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 234 |         path: PathBuf,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 235 |         mode: c_umode_t,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 236 |         dev: c_uint,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dir`, `path`, `mode`, and `dev` are never read
[INFO] [stdout]    --> src/syscall.rs:239:9
[INFO] [stdout]     |
[INFO] [stdout] 238 |     MknodAt {
[INFO] [stdout]     |     ------- fields in this variant
[INFO] [stdout] 239 |         dir: PathBuf,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 240 |         path: PathBuf,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 241 |         mode: c_umode_t,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 242 |         dev: c_uint,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syscall.rs:244:11
[INFO] [stdout]     |
[INFO] [stdout] 244 |     Other(SyscallNr),
[INFO] [stdout]     |     ----- ^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 244 |     Other(()),
[INFO] [stdout]     |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syscall.rs:245:13
[INFO] [stdout]     |
[INFO] [stdout] 245 |     Unknown(u64),
[INFO] [stdout]     |     ------- ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 245 |     Unknown(()),
[INFO] [stdout]     |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `pid`, `wstatus`, `options`, and `rusage` are never read
[INFO] [stdout]    --> src/syscall.rs:248:9
[INFO] [stdout]     |
[INFO] [stdout] 247 |     Wait4 {
[INFO] [stdout]     |     ----- fields in this variant
[INFO] [stdout] 248 |         pid: pid_t,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 249 |         wstatus: usize,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 250 |         options: c_int,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 251 |         rusage: usize,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `nfds`, `readfds`, `writefds`, `exceptfds`, and `timeout` are never read
[INFO] [stdout]    --> src/syscall.rs:254:9
[INFO] [stdout]     |
[INFO] [stdout] 253 |     Select {
[INFO] [stdout]     |     ------ fields in this variant
[INFO] [stdout] 254 |         nfds: c_int,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 255 |         readfds: Option<DebuggableFdSet>,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 256 |         writefds: Option<DebuggableFdSet>,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 257 |         exceptfds: Option<DebuggableFdSet>,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 258 |         timeout: usize,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `clone_flags`, `newsp`, `parent_tidptr`, `child_tidptr`, and `tls_val` are never read
[INFO] [stdout]    --> src/syscall.rs:261:9
[INFO] [stdout]     |
[INFO] [stdout] 260 |     Clone {
[INFO] [stdout]     |     ----- fields in this variant
[INFO] [stdout] 261 |         clone_flags: c_ulong,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 262 |         newsp: c_ulong,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 263 |         parent_tidptr: usize,
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 264 |         child_tidptr: usize,
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 265 |         tls_val: c_int,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `fd`, `buf`, and `count` are never read
[INFO] [stdout]    --> src/syscall.rs:268:9
[INFO] [stdout]     |
[INFO] [stdout] 267 |     Read {
[INFO] [stdout]     |     ---- fields in this variant
[INFO] [stdout] 268 |         fd: c_uint,
[INFO] [stdout]     |         ^^
[INFO] [stdout] 269 |         buf: usize,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 270 |         count: usize,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 28 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.82s
[INFO] running `Command { std: "docker" "inspect" "8f4790fa62fd75196d9285b189075fcf8a0e5e97a2e505b9d14a98df0c696398", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f4790fa62fd75196d9285b189075fcf8a0e5e97a2e505b9d14a98df0c696398", kill_on_drop: false }`
[INFO] [stdout] 8f4790fa62fd75196d9285b189075fcf8a0e5e97a2e505b9d14a98df0c696398