[INFO] cloning repository https://github.com/tarberd/playos
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tarberd/playos" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftarberd%2Fplayos", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftarberd%2Fplayos'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 42a0c3caf5d6d5c9e9b142cc6f1966ee11d68754
[INFO] checking tarberd/playos against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftarberd%2Fplayos" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tarberd/playos on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5/source/.cargo/config
[INFO] started tweaking git repo https://github.com/tarberd/playos
[INFO] finished tweaking git repo https://github.com/tarberd/playos
[INFO] tweaked toml for git repo https://github.com/tarberd/playos written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/tarberd/playos already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 097546d45fa52ee299eae4b4f883790d91b44780f35fd40ab2f1c7f28ed7880d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "097546d45fa52ee299eae4b4f883790d91b44780f35fd40ab2f1c7f28ed7880d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "097546d45fa52ee299eae4b4f883790d91b44780f35fd40ab2f1c7f28ed7880d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "097546d45fa52ee299eae4b4f883790d91b44780f35fd40ab2f1c7f28ed7880d", kill_on_drop: false }`
[INFO] [stdout] 097546d45fa52ee299eae4b4f883790d91b44780f35fd40ab2f1c7f28ed7880d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbdee6e0f9390d1f521f3317f001688246154c128ec4e76c39b96e6b2a8f8a83
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bbdee6e0f9390d1f521f3317f001688246154c128ec4e76c39b96e6b2a8f8a83", kill_on_drop: false }`
[INFO] [stderr]     Checking tong_os v0.10.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `Geometry`
[INFO] [stdout]   --> src/block.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Geometry {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Topology`
[INFO] [stdout]   --> src/block.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Topology {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Config`
[INFO] [stdout]   --> src/block.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct Config {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `VIRTIO_BLK_T_FLUSH`
[INFO] [stdout]    --> src/block.rs:105:1
[INFO] [stdout]     |
[INFO] [stdout] 105 | pub const VIRTIO_BLK_T_FLUSH: u32 = 4;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `VIRTIO_BLK_T_DISCARD`
[INFO] [stdout]    --> src/block.rs:106:1
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub const VIRTIO_BLK_T_DISCARD: u32 = 11;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `VIRTIO_BLK_T_WRITE_ZEROES`
[INFO] [stdout]    --> src/block.rs:107:1
[INFO] [stdout]     |
[INFO] [stdout] 107 | pub const VIRTIO_BLK_T_WRITE_ZEROES: u32 = 13;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `VIRTIO_BLK_S_OK`
[INFO] [stdout]    --> src/block.rs:110:1
[INFO] [stdout]     |
[INFO] [stdout] 110 | pub const VIRTIO_BLK_S_OK: u8 = 0;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `VIRTIO_BLK_S_IOERR`
[INFO] [stdout]    --> src/block.rs:111:1
[INFO] [stdout]     |
[INFO] [stdout] 111 | pub const VIRTIO_BLK_S_IOERR: u8 = 1;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `VIRTIO_BLK_S_UNSUPP`
[INFO] [stdout]    --> src/block.rs:112:1
[INFO] [stdout]     |
[INFO] [stdout] 112 | pub const VIRTIO_BLK_S_UNSUPP: u8 = 2;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `VIRTIO_BLK_F_SIZE_MAX`
[INFO] [stdout]    --> src/block.rs:115:1
[INFO] [stdout]     |
[INFO] [stdout] 115 | pub const VIRTIO_BLK_F_SIZE_MAX: u32 = 1;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `VIRTIO_BLK_F_SEG_MAX`
[INFO] [stdout]    --> src/block.rs:116:1
[INFO] [stdout]     |
[INFO] [stdout] 116 | pub const VIRTIO_BLK_F_SEG_MAX: u32 = 2;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `VIRTIO_BLK_F_GEOMETRY`
[INFO] [stdout]    --> src/block.rs:117:1
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub const VIRTIO_BLK_F_GEOMETRY: u32 = 4;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `VIRTIO_BLK_F_BLK_SIZE`
[INFO] [stdout]    --> src/block.rs:119:1
[INFO] [stdout]     |
[INFO] [stdout] 119 | pub const VIRTIO_BLK_F_BLK_SIZE: u32 = 6;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `VIRTIO_BLK_F_FLUSH`
[INFO] [stdout]    --> src/block.rs:120:1
[INFO] [stdout]     |
[INFO] [stdout] 120 | pub const VIRTIO_BLK_F_FLUSH: u32 = 9;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `VIRTIO_BLK_F_TOPOLOGY`
[INFO] [stdout]    --> src/block.rs:121:1
[INFO] [stdout]     |
[INFO] [stdout] 121 | pub const VIRTIO_BLK_F_TOPOLOGY: u32 = 10;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `VIRTIO_BLK_F_CONFIG_WCE`
[INFO] [stdout]    --> src/block.rs:122:1
[INFO] [stdout]     |
[INFO] [stdout] 122 | pub const VIRTIO_BLK_F_CONFIG_WCE: u32 = 11;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `VIRTIO_BLK_F_DISCARD`
[INFO] [stdout]    --> src/block.rs:123:1
[INFO] [stdout]     |
[INFO] [stdout] 123 | pub const VIRTIO_BLK_F_DISCARD: u32 = 13;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `VIRTIO_BLK_F_WRITE_ZEROES`
[INFO] [stdout]    --> src/block.rs:124:1
[INFO] [stdout]     |
[INFO] [stdout] 124 | pub const VIRTIO_BLK_F_WRITE_ZEROES: u32 = 14;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Success`
[INFO] [stdout]    --> src/block.rs:128:5
[INFO] [stdout]     |
[INFO] [stdout] 128 |     Success = 0,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read`
[INFO] [stdout]    --> src/block.rs:359:8
[INFO] [stdout]     |
[INFO] [stdout] 359 | pub fn read(dev: usize, buffer: *mut u8, size: u32, offset: u64) -> Result<u32, BlockErrors> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write`
[INFO] [stdout]    --> src/block.rs:363:8
[INFO] [stdout]     |
[INFO] [stdout] 363 | pub fn write(dev: usize, buffer: *mut u8, size: u32, offset: u64) -> Result<u32, BlockErrors> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `ProcArgs`
[INFO] [stdout]    --> src/block.rs:413:8
[INFO] [stdout]     |
[INFO] [stdout] 413 | struct ProcArgs {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_proc`
[INFO] [stdout]    --> src/block.rs:422:4
[INFO] [stdout]     |
[INFO] [stdout] 422 | fn read_proc(args_addr: usize) {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `process_read`
[INFO] [stdout]    --> src/block.rs:438:8
[INFO] [stdout]     |
[INFO] [stdout] 438 | pub fn process_read(pid: u16, dev: usize, buffer: *mut u8, size: u32, offset: u64) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write_proc`
[INFO] [stdout]    --> src/block.rs:451:4
[INFO] [stdout]     |
[INFO] [stdout] 451 | fn write_proc(args_addr: usize) {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `process_write`
[INFO] [stdout]    --> src/block.rs:467:8
[INFO] [stdout]     |
[INFO] [stdout] 467 | pub fn process_write(pid: u16, dev: usize, buffer: *mut u8, size: u32, offset: u64) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Off`
[INFO] [stdout]   --> src/cpu.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Off = 0,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Sv48`
[INFO] [stdout]   --> src/cpu.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Sv48 = 9,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Supervisor`
[INFO] [stdout]   --> src/cpu.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Supervisor = 1,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/cpu.rs:57:18
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub const fn new() -> Self {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mhartid_read`
[INFO] [stdout]   --> src/cpu.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub fn mhartid_read() -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mie_read`
[INFO] [stdout]   --> src/cpu.rs:86:8
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub fn mie_read() -> usize {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mie_write`
[INFO] [stdout]   --> src/cpu.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 | pub fn mie_write(val: usize) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mstatus_write`
[INFO] [stdout]    --> src/cpu.rs:100:8
[INFO] [stdout]     |
[INFO] [stdout] 100 | pub fn mstatus_write(val: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mstatus_read`
[INFO] [stdout]    --> src/cpu.rs:106:8
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub fn mstatus_read() -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `stvec_write`
[INFO] [stdout]    --> src/cpu.rs:114:8
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub fn stvec_write(val: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `stvec_read`
[INFO] [stdout]    --> src/cpu.rs:120:8
[INFO] [stdout]     |
[INFO] [stdout] 120 | pub fn stvec_read() -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mscratch_write`
[INFO] [stdout]    --> src/cpu.rs:128:8
[INFO] [stdout]     |
[INFO] [stdout] 128 | pub fn mscratch_write(val: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mscratch_read`
[INFO] [stdout]    --> src/cpu.rs:134:8
[INFO] [stdout]     |
[INFO] [stdout] 134 | pub fn mscratch_read() -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mscratch_swap`
[INFO] [stdout]    --> src/cpu.rs:142:8
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub fn mscratch_swap(to: usize) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sscratch_write`
[INFO] [stdout]    --> src/cpu.rs:150:8
[INFO] [stdout]     |
[INFO] [stdout] 150 | pub fn sscratch_write(val: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sscratch_read`
[INFO] [stdout]    --> src/cpu.rs:156:8
[INFO] [stdout]     |
[INFO] [stdout] 156 | pub fn sscratch_read() -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sscratch_swap`
[INFO] [stdout]    --> src/cpu.rs:164:8
[INFO] [stdout]     |
[INFO] [stdout] 164 | pub fn sscratch_swap(to: usize) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mepc_write`
[INFO] [stdout]    --> src/cpu.rs:172:8
[INFO] [stdout]     |
[INFO] [stdout] 172 | pub fn mepc_write(val: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mepc_read`
[INFO] [stdout]    --> src/cpu.rs:178:8
[INFO] [stdout]     |
[INFO] [stdout] 178 | pub fn mepc_read() -> usize {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sepc_write`
[INFO] [stdout]    --> src/cpu.rs:186:8
[INFO] [stdout]     |
[INFO] [stdout] 186 | pub fn sepc_write(val: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sepc_read`
[INFO] [stdout]    --> src/cpu.rs:192:8
[INFO] [stdout]     |
[INFO] [stdout] 192 | pub fn sepc_read() -> usize {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `satp_write`
[INFO] [stdout]    --> src/cpu.rs:200:8
[INFO] [stdout]     |
[INFO] [stdout] 200 | pub fn satp_write(val: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `satp_read`
[INFO] [stdout]    --> src/cpu.rs:206:8
[INFO] [stdout]     |
[INFO] [stdout] 206 | pub fn satp_read() -> usize {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `satp_fence`
[INFO] [stdout]    --> src/cpu.rs:217:8
[INFO] [stdout]     |
[INFO] [stdout] 217 | pub fn satp_fence(vaddr: usize, asid: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PH_SEG_TYPE_NULL`
[INFO] [stdout]   --> src/elf.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub const PH_SEG_TYPE_NULL: u32 = 0;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PH_SEG_TYPE_DYNAMIC`
[INFO] [stdout]   --> src/elf.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub const PH_SEG_TYPE_DYNAMIC: u32 = 2;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PH_SEG_TYPE_INTERP`
[INFO] [stdout]   --> src/elf.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub const PH_SEG_TYPE_INTERP: u32 = 3;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PH_SEG_TYPE_NOTE`
[INFO] [stdout]   --> src/elf.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub const PH_SEG_TYPE_NOTE: u32 = 4;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Success`
[INFO] [stdout]   --> src/fs.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     Success,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Permission`
[INFO] [stdout]   --> src/fs.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     Permission,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `IsFile`
[INFO] [stdout]   --> src/fs.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     IsFile,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `IsDirectory`
[INFO] [stdout]   --> src/fs.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     IsDirectory,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_head`
[INFO] [stdout]   --> src/kmem.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub fn get_head() -> *mut u8 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_page_table`
[INFO] [stdout]   --> src/kmem.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub fn get_page_table() -> *mut Table {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_num_allocations`
[INFO] [stdout]   --> src/kmem.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn get_num_allocations() -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_table`
[INFO] [stdout]    --> src/kmem.rs:201:8
[INFO] [stdout]     |
[INFO] [stdout] 201 | pub fn print_table() {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `NUM_IPTRS`
[INFO] [stdout]   --> src/minixfs.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub const NUM_IPTRS: u32 = BLOCK_SIZE / 4;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `DirEntry`
[INFO] [stdout]   --> src/minixfs.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub struct DirEntry {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clear_flag`
[INFO] [stdout]   --> src/page.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn clear_flag(&mut self, flag: PageBits) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_page_allocations`
[INFO] [stdout]    --> src/page.rs:204:8
[INFO] [stdout]     |
[INFO] [stdout] 204 | pub fn print_page_allocations() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `None`
[INFO] [stdout]    --> src/page.rs:256:5
[INFO] [stdout]     |
[INFO] [stdout] 256 |     None = 0,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Global`
[INFO] [stdout]    --> src/page.rs:262:5
[INFO] [stdout]     |
[INFO] [stdout] 262 |     Global = 1 << 5,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ReadWrite`
[INFO] [stdout]    --> src/page.rs:266:5
[INFO] [stdout]     |
[INFO] [stdout] 266 |     ReadWrite = 1 << 1 | 1 << 2,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ReadExecute`
[INFO] [stdout]    --> src/page.rs:267:5
[INFO] [stdout]     |
[INFO] [stdout] 267 |     ReadExecute = 1 << 1 | 1 << 3,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UserReadExecute`
[INFO] [stdout]    --> src/page.rs:271:5
[INFO] [stdout]     |
[INFO] [stdout] 271 |     UserReadExecute = 1 << 1 | 1 << 3 | 1 << 4,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UserReadWriteExecute`
[INFO] [stdout]    --> src/page.rs:272:5
[INFO] [stdout]     |
[INFO] [stdout] 272 |     UserReadWriteExecute = 1 << 1 | 1 << 2 | 1 << 3 | 1 << 4,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `bits_mask`
[INFO] [stdout]    --> src/page.rs:306:12
[INFO] [stdout]     |
[INFO] [stdout] 306 |     pub fn bits_mask() -> usize {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `identity_map_range`
[INFO] [stdout]    --> src/page.rs:423:12
[INFO] [stdout]     |
[INFO] [stdout] 423 |     pub fn identity_map_range(&mut self, start: usize, end: usize, bits: i64) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PLIC_PENDING`
[INFO] [stdout]  --> src/plic.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | const PLIC_PENDING: usize = 0x0c00_1000;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_pending`
[INFO] [stdout]   --> src/plic.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub fn is_pending(id: u32) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PROCESS_STARTING_ADDR`
[INFO] [stdout]   --> src/process.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub const PROCESS_STARTING_ADDR: usize = 0x2000_0000;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add_process_default`
[INFO] [stdout]    --> src/process.rs:178:8
[INFO] [stdout]     |
[INFO] [stdout] 178 | pub fn add_process_default(pr: fn()) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Dead`
[INFO] [stdout]    --> src/process.rs:388:5
[INFO] [stdout]     |
[INFO] [stdout] 388 |     Dead,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_frame`
[INFO] [stdout]    --> src/process.rs:420:12
[INFO] [stdout]     |
[INFO] [stdout] 420 |     pub fn get_frame(&self) -> *const TrapFrame {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_program_counter`
[INFO] [stdout]    --> src/process.rs:424:12
[INFO] [stdout]     |
[INFO] [stdout] 424 |     pub fn get_program_counter(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_program_address_mut`
[INFO] [stdout]    --> src/process.rs:428:12
[INFO] [stdout]     |
[INFO] [stdout] 428 |     pub fn get_program_address_mut(&mut self) -> *mut u8 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_default`
[INFO] [stdout]    --> src/process.rs:456:12
[INFO] [stdout]     |
[INFO] [stdout] 456 |     pub fn new_default(func: fn()) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `queue`
[INFO] [stdout]   --> src/rng.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     queue: *mut Queue,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `dev`
[INFO] [stdout]   --> src/rng.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     dev: *mut u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `idx`
[INFO] [stdout]   --> src/rng.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     idx: u16,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ack_used_idx`
[INFO] [stdout]   --> src/rng.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     ack_used_idx: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/rng.rs:21:18
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub const fn new() -> Self {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_random`
[INFO] [stdout]    --> src/rng.rs:138:8
[INFO] [stdout]     |
[INFO] [stdout] 138 | pub fn get_random() -> u64 {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `VIRTIO_DESC_F_INDIRECT`
[INFO] [stdout]   --> src/virtio.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub const VIRTIO_DESC_F_INDIRECT: u16 = 4;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `VIRTIO_AVAIL_F_NO_INTERRUPT`
[INFO] [stdout]   --> src/virtio.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub const VIRTIO_AVAIL_F_NO_INTERRUPT: u16 = 1;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `VIRTIO_USED_F_NO_NOTIFY`
[INFO] [stdout]   --> src/virtio.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub const VIRTIO_USED_F_NO_NOTIFY: u16 = 1;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `MagicValue`
[INFO] [stdout]   --> src/virtio.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |     MagicValue = 0x000,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Version`
[INFO] [stdout]   --> src/virtio.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 |     Version = 0x004,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `DeviceId`
[INFO] [stdout]   --> src/virtio.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     DeviceId = 0x008,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `VendorId`
[INFO] [stdout]   --> src/virtio.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 |     VendorId = 0x00c,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `HostFeaturesSel`
[INFO] [stdout]   --> src/virtio.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     HostFeaturesSel = 0x014,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `GuestFeaturesSel`
[INFO] [stdout]   --> src/virtio.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 |     GuestFeaturesSel = 0x024,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `QueueAlign`
[INFO] [stdout]   --> src/virtio.rs:86:5
[INFO] [stdout]    |
[INFO] [stdout] 86 |     QueueAlign = 0x03c,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InterruptStatus`
[INFO] [stdout]   --> src/virtio.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 89 |     InterruptStatus = 0x060,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InterruptAck`
[INFO] [stdout]   --> src/virtio.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 |     InterruptAck = 0x064,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Config`
[INFO] [stdout]   --> src/virtio.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 92 |     Config = 0x100,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `MmioDevice`
[INFO] [stdout]   --> src/virtio.rs:98:12
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub struct MmioDevice {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `None`
[INFO] [stdout]    --> src/virtio.rs:129:5
[INFO] [stdout]     |
[INFO] [stdout] 129 |     None = 0,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Network`
[INFO] [stdout]    --> src/virtio.rs:130:5
[INFO] [stdout]     |
[INFO] [stdout] 130 |     Network = 1,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Console`
[INFO] [stdout]    --> src/virtio.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 132 |     Console = 3,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Entropy`
[INFO] [stdout]    --> src/virtio.rs:133:5
[INFO] [stdout]     |
[INFO] [stdout] 133 |     Entropy = 4,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Gpu`
[INFO] [stdout]    --> src/virtio.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 134 |     Gpu = 16,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Input`
[INFO] [stdout]    --> src/virtio.rs:135:5
[INFO] [stdout]     |
[INFO] [stdout] 135 |     Input = 18,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Memory`
[INFO] [stdout]    --> src/virtio.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 136 |     Memory = 24,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Driver`
[INFO] [stdout]    --> src/virtio.rs:159:5
[INFO] [stdout]     |
[INFO] [stdout] 159 |     Driver = 2,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `DeviceNeedsReset`
[INFO] [stdout]    --> src/virtio.rs:163:5
[INFO] [stdout]     |
[INFO] [stdout] 163 |     DeviceNeedsReset = 64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `val`
[INFO] [stdout]    --> src/virtio.rs:169:12
[INFO] [stdout]     |
[INFO] [stdout] 169 |     pub fn val(self) -> usize {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_failed`
[INFO] [stdout]    --> src/virtio.rs:181:12
[INFO] [stdout]     |
[INFO] [stdout] 181 |     pub fn is_failed(sf: u32) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `needs_reset`
[INFO] [stdout]    --> src/virtio.rs:185:12
[INFO] [stdout]     |
[INFO] [stdout] 185 |     pub fn needs_reset(sf: u32) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `driver_ok`
[INFO] [stdout]    --> src/virtio.rs:189:12
[INFO] [stdout]     |
[INFO] [stdout] 189 |     pub fn driver_ok(sf: u32) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/virtio.rs:216:18
[INFO] [stdout]     |
[INFO] [stdout] 216 |     pub const fn new() -> Self {
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 117 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Geometry`
[INFO] [stdout]   --> src/block.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Geometry {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Topology`
[INFO] [stdout]   --> src/block.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Topology {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Config`
[INFO] [stdout]   --> src/block.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct Config {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `VIRTIO_BLK_T_FLUSH`
[INFO] [stdout]    --> src/block.rs:105:1
[INFO] [stdout]     |
[INFO] [stdout] 105 | pub const VIRTIO_BLK_T_FLUSH: u32 = 4;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `VIRTIO_BLK_T_DISCARD`
[INFO] [stdout]    --> src/block.rs:106:1
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub const VIRTIO_BLK_T_DISCARD: u32 = 11;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `VIRTIO_BLK_T_WRITE_ZEROES`
[INFO] [stdout]    --> src/block.rs:107:1
[INFO] [stdout]     |
[INFO] [stdout] 107 | pub const VIRTIO_BLK_T_WRITE_ZEROES: u32 = 13;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `VIRTIO_BLK_S_OK`
[INFO] [stdout]    --> src/block.rs:110:1
[INFO] [stdout]     |
[INFO] [stdout] 110 | pub const VIRTIO_BLK_S_OK: u8 = 0;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `VIRTIO_BLK_S_IOERR`
[INFO] [stdout]    --> src/block.rs:111:1
[INFO] [stdout]     |
[INFO] [stdout] 111 | pub const VIRTIO_BLK_S_IOERR: u8 = 1;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `VIRTIO_BLK_S_UNSUPP`
[INFO] [stdout]    --> src/block.rs:112:1
[INFO] [stdout]     |
[INFO] [stdout] 112 | pub const VIRTIO_BLK_S_UNSUPP: u8 = 2;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `VIRTIO_BLK_F_SIZE_MAX`
[INFO] [stdout]    --> src/block.rs:115:1
[INFO] [stdout]     |
[INFO] [stdout] 115 | pub const VIRTIO_BLK_F_SIZE_MAX: u32 = 1;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `VIRTIO_BLK_F_SEG_MAX`
[INFO] [stdout]    --> src/block.rs:116:1
[INFO] [stdout]     |
[INFO] [stdout] 116 | pub const VIRTIO_BLK_F_SEG_MAX: u32 = 2;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `VIRTIO_BLK_F_GEOMETRY`
[INFO] [stdout]    --> src/block.rs:117:1
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub const VIRTIO_BLK_F_GEOMETRY: u32 = 4;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `VIRTIO_BLK_F_BLK_SIZE`
[INFO] [stdout]    --> src/block.rs:119:1
[INFO] [stdout]     |
[INFO] [stdout] 119 | pub const VIRTIO_BLK_F_BLK_SIZE: u32 = 6;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `VIRTIO_BLK_F_FLUSH`
[INFO] [stdout]    --> src/block.rs:120:1
[INFO] [stdout]     |
[INFO] [stdout] 120 | pub const VIRTIO_BLK_F_FLUSH: u32 = 9;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `VIRTIO_BLK_F_TOPOLOGY`
[INFO] [stdout]    --> src/block.rs:121:1
[INFO] [stdout]     |
[INFO] [stdout] 121 | pub const VIRTIO_BLK_F_TOPOLOGY: u32 = 10;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `VIRTIO_BLK_F_CONFIG_WCE`
[INFO] [stdout]    --> src/block.rs:122:1
[INFO] [stdout]     |
[INFO] [stdout] 122 | pub const VIRTIO_BLK_F_CONFIG_WCE: u32 = 11;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `VIRTIO_BLK_F_DISCARD`
[INFO] [stdout]    --> src/block.rs:123:1
[INFO] [stdout]     |
[INFO] [stdout] 123 | pub const VIRTIO_BLK_F_DISCARD: u32 = 13;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `VIRTIO_BLK_F_WRITE_ZEROES`
[INFO] [stdout]    --> src/block.rs:124:1
[INFO] [stdout]     |
[INFO] [stdout] 124 | pub const VIRTIO_BLK_F_WRITE_ZEROES: u32 = 14;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Success`
[INFO] [stdout]    --> src/block.rs:128:5
[INFO] [stdout]     |
[INFO] [stdout] 128 |     Success = 0,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read`
[INFO] [stdout]    --> src/block.rs:359:8
[INFO] [stdout]     |
[INFO] [stdout] 359 | pub fn read(dev: usize, buffer: *mut u8, size: u32, offset: u64) -> Result<u32, BlockErrors> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write`
[INFO] [stdout]    --> src/block.rs:363:8
[INFO] [stdout]     |
[INFO] [stdout] 363 | pub fn write(dev: usize, buffer: *mut u8, size: u32, offset: u64) -> Result<u32, BlockErrors> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `ProcArgs`
[INFO] [stdout]    --> src/block.rs:413:8
[INFO] [stdout]     |
[INFO] [stdout] 413 | struct ProcArgs {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_proc`
[INFO] [stdout]    --> src/block.rs:422:4
[INFO] [stdout]     |
[INFO] [stdout] 422 | fn read_proc(args_addr: usize) {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `process_read`
[INFO] [stdout]    --> src/block.rs:438:8
[INFO] [stdout]     |
[INFO] [stdout] 438 | pub fn process_read(pid: u16, dev: usize, buffer: *mut u8, size: u32, offset: u64) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write_proc`
[INFO] [stdout]    --> src/block.rs:451:4
[INFO] [stdout]     |
[INFO] [stdout] 451 | fn write_proc(args_addr: usize) {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `process_write`
[INFO] [stdout]    --> src/block.rs:467:8
[INFO] [stdout]     |
[INFO] [stdout] 467 | pub fn process_write(pid: u16, dev: usize, buffer: *mut u8, size: u32, offset: u64) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Off`
[INFO] [stdout]   --> src/cpu.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Off = 0,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Sv48`
[INFO] [stdout]   --> src/cpu.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Sv48 = 9,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Supervisor`
[INFO] [stdout]   --> src/cpu.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Supervisor = 1,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/cpu.rs:57:18
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub const fn new() -> Self {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mhartid_read`
[INFO] [stdout]   --> src/cpu.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub fn mhartid_read() -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mie_read`
[INFO] [stdout]   --> src/cpu.rs:86:8
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub fn mie_read() -> usize {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mie_write`
[INFO] [stdout]   --> src/cpu.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 | pub fn mie_write(val: usize) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mstatus_write`
[INFO] [stdout]    --> src/cpu.rs:100:8
[INFO] [stdout]     |
[INFO] [stdout] 100 | pub fn mstatus_write(val: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mstatus_read`
[INFO] [stdout]    --> src/cpu.rs:106:8
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub fn mstatus_read() -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `stvec_write`
[INFO] [stdout]    --> src/cpu.rs:114:8
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub fn stvec_write(val: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `stvec_read`
[INFO] [stdout]    --> src/cpu.rs:120:8
[INFO] [stdout]     |
[INFO] [stdout] 120 | pub fn stvec_read() -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mscratch_write`
[INFO] [stdout]    --> src/cpu.rs:128:8
[INFO] [stdout]     |
[INFO] [stdout] 128 | pub fn mscratch_write(val: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mscratch_read`
[INFO] [stdout]    --> src/cpu.rs:134:8
[INFO] [stdout]     |
[INFO] [stdout] 134 | pub fn mscratch_read() -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mscratch_swap`
[INFO] [stdout]    --> src/cpu.rs:142:8
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub fn mscratch_swap(to: usize) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sscratch_write`
[INFO] [stdout]    --> src/cpu.rs:150:8
[INFO] [stdout]     |
[INFO] [stdout] 150 | pub fn sscratch_write(val: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sscratch_read`
[INFO] [stdout]    --> src/cpu.rs:156:8
[INFO] [stdout]     |
[INFO] [stdout] 156 | pub fn sscratch_read() -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sscratch_swap`
[INFO] [stdout]    --> src/cpu.rs:164:8
[INFO] [stdout]     |
[INFO] [stdout] 164 | pub fn sscratch_swap(to: usize) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mepc_write`
[INFO] [stdout]    --> src/cpu.rs:172:8
[INFO] [stdout]     |
[INFO] [stdout] 172 | pub fn mepc_write(val: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mepc_read`
[INFO] [stdout]    --> src/cpu.rs:178:8
[INFO] [stdout]     |
[INFO] [stdout] 178 | pub fn mepc_read() -> usize {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sepc_write`
[INFO] [stdout]    --> src/cpu.rs:186:8
[INFO] [stdout]     |
[INFO] [stdout] 186 | pub fn sepc_write(val: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sepc_read`
[INFO] [stdout]    --> src/cpu.rs:192:8
[INFO] [stdout]     |
[INFO] [stdout] 192 | pub fn sepc_read() -> usize {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `satp_write`
[INFO] [stdout]    --> src/cpu.rs:200:8
[INFO] [stdout]     |
[INFO] [stdout] 200 | pub fn satp_write(val: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `satp_read`
[INFO] [stdout]    --> src/cpu.rs:206:8
[INFO] [stdout]     |
[INFO] [stdout] 206 | pub fn satp_read() -> usize {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `satp_fence`
[INFO] [stdout]    --> src/cpu.rs:217:8
[INFO] [stdout]     |
[INFO] [stdout] 217 | pub fn satp_fence(vaddr: usize, asid: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PH_SEG_TYPE_NULL`
[INFO] [stdout]   --> src/elf.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub const PH_SEG_TYPE_NULL: u32 = 0;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PH_SEG_TYPE_DYNAMIC`
[INFO] [stdout]   --> src/elf.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub const PH_SEG_TYPE_DYNAMIC: u32 = 2;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PH_SEG_TYPE_INTERP`
[INFO] [stdout]   --> src/elf.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub const PH_SEG_TYPE_INTERP: u32 = 3;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PH_SEG_TYPE_NOTE`
[INFO] [stdout]   --> src/elf.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub const PH_SEG_TYPE_NOTE: u32 = 4;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Success`
[INFO] [stdout]   --> src/fs.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     Success,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Permission`
[INFO] [stdout]   --> src/fs.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     Permission,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `IsFile`
[INFO] [stdout]   --> src/fs.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     IsFile,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `IsDirectory`
[INFO] [stdout]   --> src/fs.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     IsDirectory,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_head`
[INFO] [stdout]   --> src/kmem.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub fn get_head() -> *mut u8 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_page_table`
[INFO] [stdout]   --> src/kmem.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub fn get_page_table() -> *mut Table {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_num_allocations`
[INFO] [stdout]   --> src/kmem.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn get_num_allocations() -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_table`
[INFO] [stdout]    --> src/kmem.rs:201:8
[INFO] [stdout]     |
[INFO] [stdout] 201 | pub fn print_table() {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `NUM_IPTRS`
[INFO] [stdout]   --> src/minixfs.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub const NUM_IPTRS: u32 = BLOCK_SIZE / 4;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `DirEntry`
[INFO] [stdout]   --> src/minixfs.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub struct DirEntry {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clear_flag`
[INFO] [stdout]   --> src/page.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn clear_flag(&mut self, flag: PageBits) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_page_allocations`
[INFO] [stdout]    --> src/page.rs:204:8
[INFO] [stdout]     |
[INFO] [stdout] 204 | pub fn print_page_allocations() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `None`
[INFO] [stdout]    --> src/page.rs:256:5
[INFO] [stdout]     |
[INFO] [stdout] 256 |     None = 0,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Global`
[INFO] [stdout]    --> src/page.rs:262:5
[INFO] [stdout]     |
[INFO] [stdout] 262 |     Global = 1 << 5,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ReadWrite`
[INFO] [stdout]    --> src/page.rs:266:5
[INFO] [stdout]     |
[INFO] [stdout] 266 |     ReadWrite = 1 << 1 | 1 << 2,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ReadExecute`
[INFO] [stdout]    --> src/page.rs:267:5
[INFO] [stdout]     |
[INFO] [stdout] 267 |     ReadExecute = 1 << 1 | 1 << 3,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UserReadExecute`
[INFO] [stdout]    --> src/page.rs:271:5
[INFO] [stdout]     |
[INFO] [stdout] 271 |     UserReadExecute = 1 << 1 | 1 << 3 | 1 << 4,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UserReadWriteExecute`
[INFO] [stdout]    --> src/page.rs:272:5
[INFO] [stdout]     |
[INFO] [stdout] 272 |     UserReadWriteExecute = 1 << 1 | 1 << 2 | 1 << 3 | 1 << 4,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `bits_mask`
[INFO] [stdout]    --> src/page.rs:306:12
[INFO] [stdout]     |
[INFO] [stdout] 306 |     pub fn bits_mask() -> usize {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `identity_map_range`
[INFO] [stdout]    --> src/page.rs:423:12
[INFO] [stdout]     |
[INFO] [stdout] 423 |     pub fn identity_map_range(&mut self, start: usize, end: usize, bits: i64) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PLIC_PENDING`
[INFO] [stdout]  --> src/plic.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | const PLIC_PENDING: usize = 0x0c00_1000;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_pending`
[INFO] [stdout]   --> src/plic.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub fn is_pending(id: u32) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PROCESS_STARTING_ADDR`
[INFO] [stdout]   --> src/process.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub const PROCESS_STARTING_ADDR: usize = 0x2000_0000;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add_process_default`
[INFO] [stdout]    --> src/process.rs:178:8
[INFO] [stdout]     |
[INFO] [stdout] 178 | pub fn add_process_default(pr: fn()) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Dead`
[INFO] [stdout]    --> src/process.rs:388:5
[INFO] [stdout]     |
[INFO] [stdout] 388 |     Dead,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_frame`
[INFO] [stdout]    --> src/process.rs:420:12
[INFO] [stdout]     |
[INFO] [stdout] 420 |     pub fn get_frame(&self) -> *const TrapFrame {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_program_counter`
[INFO] [stdout]    --> src/process.rs:424:12
[INFO] [stdout]     |
[INFO] [stdout] 424 |     pub fn get_program_counter(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_program_address_mut`
[INFO] [stdout]    --> src/process.rs:428:12
[INFO] [stdout]     |
[INFO] [stdout] 428 |     pub fn get_program_address_mut(&mut self) -> *mut u8 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_default`
[INFO] [stdout]    --> src/process.rs:456:12
[INFO] [stdout]     |
[INFO] [stdout] 456 |     pub fn new_default(func: fn()) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `queue`
[INFO] [stdout]   --> src/rng.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     queue: *mut Queue,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `dev`
[INFO] [stdout]   --> src/rng.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     dev: *mut u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `idx`
[INFO] [stdout]   --> src/rng.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     idx: u16,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ack_used_idx`
[INFO] [stdout]   --> src/rng.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     ack_used_idx: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/rng.rs:21:18
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub const fn new() -> Self {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_random`
[INFO] [stdout]    --> src/rng.rs:138:8
[INFO] [stdout]     |
[INFO] [stdout] 138 | pub fn get_random() -> u64 {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `VIRTIO_DESC_F_INDIRECT`
[INFO] [stdout]   --> src/virtio.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub const VIRTIO_DESC_F_INDIRECT: u16 = 4;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `VIRTIO_AVAIL_F_NO_INTERRUPT`
[INFO] [stdout]   --> src/virtio.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub const VIRTIO_AVAIL_F_NO_INTERRUPT: u16 = 1;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `VIRTIO_USED_F_NO_NOTIFY`
[INFO] [stdout]   --> src/virtio.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub const VIRTIO_USED_F_NO_NOTIFY: u16 = 1;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `MagicValue`
[INFO] [stdout]   --> src/virtio.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |     MagicValue = 0x000,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Version`
[INFO] [stdout]   --> src/virtio.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 |     Version = 0x004,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `DeviceId`
[INFO] [stdout]   --> src/virtio.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     DeviceId = 0x008,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `VendorId`
[INFO] [stdout]   --> src/virtio.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 |     VendorId = 0x00c,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `HostFeaturesSel`
[INFO] [stdout]   --> src/virtio.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     HostFeaturesSel = 0x014,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `GuestFeaturesSel`
[INFO] [stdout]   --> src/virtio.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 |     GuestFeaturesSel = 0x024,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `QueueAlign`
[INFO] [stdout]   --> src/virtio.rs:86:5
[INFO] [stdout]    |
[INFO] [stdout] 86 |     QueueAlign = 0x03c,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InterruptStatus`
[INFO] [stdout]   --> src/virtio.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 89 |     InterruptStatus = 0x060,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InterruptAck`
[INFO] [stdout]   --> src/virtio.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 |     InterruptAck = 0x064,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Config`
[INFO] [stdout]   --> src/virtio.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 92 |     Config = 0x100,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `MmioDevice`
[INFO] [stdout]   --> src/virtio.rs:98:12
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub struct MmioDevice {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `None`
[INFO] [stdout]    --> src/virtio.rs:129:5
[INFO] [stdout]     |
[INFO] [stdout] 129 |     None = 0,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Network`
[INFO] [stdout]    --> src/virtio.rs:130:5
[INFO] [stdout]     |
[INFO] [stdout] 130 |     Network = 1,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Console`
[INFO] [stdout]    --> src/virtio.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 132 |     Console = 3,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Entropy`
[INFO] [stdout]    --> src/virtio.rs:133:5
[INFO] [stdout]     |
[INFO] [stdout] 133 |     Entropy = 4,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Gpu`
[INFO] [stdout]    --> src/virtio.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 134 |     Gpu = 16,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Input`
[INFO] [stdout]    --> src/virtio.rs:135:5
[INFO] [stdout]     |
[INFO] [stdout] 135 |     Input = 18,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Memory`
[INFO] [stdout]    --> src/virtio.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 136 |     Memory = 24,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Driver`
[INFO] [stdout]    --> src/virtio.rs:159:5
[INFO] [stdout]     |
[INFO] [stdout] 159 |     Driver = 2,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `DeviceNeedsReset`
[INFO] [stdout]    --> src/virtio.rs:163:5
[INFO] [stdout]     |
[INFO] [stdout] 163 |     DeviceNeedsReset = 64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `val`
[INFO] [stdout]    --> src/virtio.rs:169:12
[INFO] [stdout]     |
[INFO] [stdout] 169 |     pub fn val(self) -> usize {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_failed`
[INFO] [stdout]    --> src/virtio.rs:181:12
[INFO] [stdout]     |
[INFO] [stdout] 181 |     pub fn is_failed(sf: u32) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `needs_reset`
[INFO] [stdout]    --> src/virtio.rs:185:12
[INFO] [stdout]     |
[INFO] [stdout] 185 |     pub fn needs_reset(sf: u32) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `driver_ok`
[INFO] [stdout]    --> src/virtio.rs:189:12
[INFO] [stdout]     |
[INFO] [stdout] 189 |     pub fn driver_ok(sf: u32) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/virtio.rs:216:18
[INFO] [stdout]     |
[INFO] [stdout] 216 |     pub const fn new() -> Self {
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 117 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `Command { std: "docker" "inspect" "bbdee6e0f9390d1f521f3317f001688246154c128ec4e76c39b96e6b2a8f8a83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbdee6e0f9390d1f521f3317f001688246154c128ec4e76c39b96e6b2a8f8a83", kill_on_drop: false }`
[INFO] [stdout] bbdee6e0f9390d1f521f3317f001688246154c128ec4e76c39b96e6b2a8f8a83