[INFO] cloning repository https://github.com/ayeniswe/gethsemane
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ayeniswe/gethsemane" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayeniswe%2Fgethsemane", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayeniswe%2Fgethsemane'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b850e0a40fe307a9e02c697d5cf294535885b464
[INFO] checking ayeniswe/gethsemane against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayeniswe%2Fgethsemane" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/ayeniswe/gethsemane
[INFO] finished tweaking git repo https://github.com/ayeniswe/gethsemane
[INFO] tweaked toml for git repo https://github.com/ayeniswe/gethsemane written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ayeniswe/gethsemane on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ayeniswe/gethsemane 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a287cb7ac681267b69eb72c690e6c1db47a7badba919bd0bf78971ea7e43be8
[INFO] running `Command { std: "docker" "start" "-a" "1a287cb7ac681267b69eb72c690e6c1db47a7badba919bd0bf78971ea7e43be8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a287cb7ac681267b69eb72c690e6c1db47a7badba919bd0bf78971ea7e43be8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a287cb7ac681267b69eb72c690e6c1db47a7badba919bd0bf78971ea7e43be8", kill_on_drop: false }`
[INFO] [stdout] 1a287cb7ac681267b69eb72c690e6c1db47a7badba919bd0bf78971ea7e43be8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ddd2666395a9474f34797b7df736fb2becd23b1db04b291bce2e929044742d65
[INFO] running `Command { std: "docker" "start" "-a" "ddd2666395a9474f34797b7df736fb2becd23b1db04b291bce2e929044742d65", kill_on_drop: false }`
[INFO] [stderr]    Compiling const_fn v0.4.11
[INFO] [stderr]     Checking bitflags v2.10.0
[INFO] [stderr]     Checking bit_field v0.10.3
[INFO] [stderr]     Checking volatile v0.4.6
[INFO] [stderr]     Checking x86_64 v0.15.4
[INFO] [stderr]     Checking kernel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `core::ops::Add`
[INFO] [stdout]   --> src/paging.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use core::ops::Add;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Serialiable` and `self`
[INFO] [stdout]   --> src/paging.rs:30:21
[INFO] [stdout]    |
[INFO] [stdout] 30 | use crate::serial::{self, Serialiable};
[INFO] [stdout]    |                     ^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `sprint` and `sprintln`
[INFO] [stdout]   --> src/paging.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 | use crate::{sprint, sprintln};
[INFO] [stdout]    |             ^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/paging.rs:33:20
[INFO] [stdout]    |
[INFO] [stdout] 33 | use crate::utils::{self, get_bits};
[INFO] [stdout]    |                    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::ops::Shr`
[INFO] [stdout]  --> src/utils.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::ops::Shr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `spin_loop`
[INFO] [stdout]  --> src/atomic.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 |     hint::{self, spin_loop},
[INFO] [stdout]   |                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Permission` and `VAddress`
[INFO] [stdout]  --> src/descriptor.rs:8:21
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::paging::{Permission, VAddress};
[INFO] [stdout]   |                     ^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Serialiable` and `self`
[INFO] [stdout]  --> src/descriptor.rs:9:21
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::serial::{self, Serialiable};
[INFO] [stdout]   |                     ^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ALLOCATOR`, `PAGE_TABLE`, and `sprintln`
[INFO] [stdout]   --> src/descriptor.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::{ALLOCATOR, PAGE_TABLE, sprintln};
[INFO] [stdout]    |             ^^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::ops::Range`
[INFO] [stdout]   --> src/descriptor.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use core::ops::Range;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Keyboard`
[INFO] [stdout]  --> src/fault.rs:4:26
[INFO] [stdout]   |
[INFO] [stdout] 4 |     keyboard::{KEYBOARD, Keyboard},
[INFO] [stdout]   |                          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Permission` and `VAddress`
[INFO] [stdout]  --> src/interrupt.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::paging::{Permission, VAddress};
[INFO] [stdout]   |                     ^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Serialiable` and `self`
[INFO] [stdout]  --> src/interrupt.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::serial::{self, Serialiable};
[INFO] [stdout]   |                     ^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ALLOCATOR`, `PAGE_TABLE`, and `sprintln`
[INFO] [stdout]  --> src/interrupt.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{ALLOCATOR, PAGE_TABLE, sprintln};
[INFO] [stdout]   |             ^^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Serialiable` and `self`
[INFO] [stdout]  --> src/keyboard.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::serial::{self, Serialiable};
[INFO] [stdout]   |                     ^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `VGA`
[INFO] [stdout]  --> src/keyboard.rs:4:29
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::vga::{Printable, VGA};
[INFO] [stdout]   |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `VGA` and `utils::get_bits`
[INFO] [stdout]   --> src/lib.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     utils::get_bits,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 49 |     vga::{Printable, VGA},
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: formatting may not be suitable for sub-register argument
[INFO] [stdout]    --> src/paging.rs:140:26
[INFO] [stdout]     |
[INFO] [stdout] 140 |                 "invlpg [{}]",
[INFO] [stdout]     |                          ^^
[INFO] [stdout] 141 |                 in(reg) va.0,
[INFO] [stdout]     |                         ---- for this argument
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `{0:e}` to have the register formatted as `eax` (for 32-bit values)
[INFO] [stdout]     = help: or use `{0:r}` to keep the default formatting of `rax` (for 64-bit values)
[INFO] [stdout]     = note: `#[warn(asm_sub_register)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Printable`
[INFO] [stdout]  --> src/keyboard.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::vga::{Printable, VGA};
[INFO] [stdout]   |                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/paging.rs:128:13
[INFO] [stdout]     |
[INFO] [stdout] 128 |             unsafe { pt[pt_idx] = (pte_pa.0 & PAGE_FLAG_MASK) | flags as u32 };
[INFO] [stdout]     |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/serial.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     unsafe {
[INFO] [stdout]    |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/serial.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 89 |     unsafe {
[INFO] [stdout]    |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/serial.rs:114:5
[INFO] [stdout]     |
[INFO] [stdout] 114 |     unsafe {
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/serial.rs:199:21
[INFO] [stdout]     |
[INFO] [stdout] 199 |                     unsafe {
[INFO] [stdout]     |                     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] ...
[INFO] [stdout] 207 | impl_serializable_hex!(u16, 4);
[INFO] [stdout]     | ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_serializable_hex` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/serial.rs:199:21
[INFO] [stdout]     |
[INFO] [stdout] 199 |                     unsafe {
[INFO] [stdout]     |                     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] ...
[INFO] [stdout] 208 | impl_serializable_hex!(u32, 8);
[INFO] [stdout]     | ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_serializable_hex` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/serial.rs:199:21
[INFO] [stdout]     |
[INFO] [stdout] 199 |                     unsafe {
[INFO] [stdout]     |                     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] ...
[INFO] [stdout] 209 | impl_serializable_hex!(u64, 16);
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_serializable_hex` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/serial.rs:216:13
[INFO] [stdout]     |
[INFO] [stdout] 216 |             unsafe { serial::write_byte(b) };
[INFO] [stdout]     |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `SegmentSelector` is more private than the item `InterruptServiceRoutineBuilder::set_segment`
[INFO] [stdout]    --> src/descriptor.rs:227:5
[INFO] [stdout]     |
[INFO] [stdout] 227 |     pub fn set_segment(mut self, segment: SegmentSelector) -> Self {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `InterruptServiceRoutineBuilder::set_segment` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `SegmentSelector` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/descriptor.rs:198:1
[INFO] [stdout]     |
[INFO] [stdout] 198 | enum SegmentSelector {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `RingLevel` is more private than the item `InterruptServiceRoutineBuilder::set_privilege`
[INFO] [stdout]    --> src/descriptor.rs:231:5
[INFO] [stdout]     |
[INFO] [stdout] 231 |     pub fn set_privilege(mut self, privilege: RingLevel) -> Self {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `InterruptServiceRoutineBuilder::set_privilege` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `RingLevel` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/descriptor.rs:193:1
[INFO] [stdout]     |
[INFO] [stdout] 193 | enum RingLevel {
[INFO] [stdout]     | ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `avaliable` is never read
[INFO] [stdout]   --> src/allocator.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub struct Region {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 54 |     pub avaliable: bool,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Region` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `consumed` is never read
[INFO] [stdout]   --> src/allocator.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub struct MemoryAllocator {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 72 |     consumed: u64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ReadableOnly` is never constructed
[INFO] [stdout]   --> src/paging.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub enum Permission {
[INFO] [stdout]    |          ---------- variant in this enum
[INFO] [stdout] 75 |     ReadableOnly = 1,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/vga.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | enum ForegroundColor {
[INFO] [stdout]    |      --------------- variants in this enum
[INFO] [stdout] 30 |     Black,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 31 |     Blue,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 32 |     Green,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 33 |     Cyan,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 34 |     Red,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 35 |     Magenta,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 36 |     Brown,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 37 |     LightGray,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 38 |     DarkGray,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 39 |     LightBlue,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 40 |     LightGreen,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 41 |     LightCyan,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 42 |     LightRed,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 43 |     LightMagenta,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 44 |     Yellow,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/vga.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 53 | enum BackgroundColor {
[INFO] [stdout]    |      --------------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 56 |     Blue,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 57 |     Green,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 58 |     Cyan,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 59 |     Red,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 60 |     Magenta,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 61 |     Brown,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 62 |     LightGray,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `write_bytes_to_buffer` is never used
[INFO] [stdout]    --> src/vga.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 101 | impl ScreenBuffer {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 104 |     fn write_bytes_to_buffer(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/descriptor.rs:42:20
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub struct Segment(pub u64);
[INFO] [stdout]    |            ------- ^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `null` is never used
[INFO] [stdout]   --> src/descriptor.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 46 | impl Segment {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 47 |     pub fn null() -> Segment {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Three` is never constructed
[INFO] [stdout]    --> src/descriptor.rs:195:5
[INFO] [stdout]     |
[INFO] [stdout] 193 | enum RingLevel {
[INFO] [stdout]     |      --------- variant in this enum
[INFO] [stdout] 194 |     Zero,
[INFO] [stdout] 195 |     Three,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `DS` is never constructed
[INFO] [stdout]    --> src/descriptor.rs:200:5
[INFO] [stdout]     |
[INFO] [stdout] 198 | enum SegmentSelector {
[INFO] [stdout]     |      --------------- variant in this enum
[INFO] [stdout] 199 |     CS,
[INFO] [stdout] 200 |     DS,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_segment` is never used
[INFO] [stdout]    --> src/descriptor.rs:227:12
[INFO] [stdout]     |
[INFO] [stdout] 211 | impl InterruptServiceRoutineBuilder {
[INFO] [stdout]     | ----------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 227 |     pub fn set_segment(mut self, segment: SegmentSelector) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `modifiers` and `pressed` are never read
[INFO] [stdout]    --> src/keyboard.rs:257:9
[INFO] [stdout]     |
[INFO] [stdout] 255 | pub struct KeyEvent {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 256 |     pub code: Key,
[INFO] [stdout] 257 |     pub modifiers: KeyModifiers,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 258 |     pub pressed: bool,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `KeyEvent` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> src/descriptor.rs:274:39
[INFO] [stdout]     |
[INFO] [stdout] 274 |             .set_offset(isr_pf_bridge as u32)
[INFO] [stdout]     |                                       ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(function_casts_as_integer)]` on by default
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 274 |             .set_offset(isr_pf_bridge as *const () as u32)
[INFO] [stdout]     |                                       ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> src/descriptor.rs:280:41
[INFO] [stdout]     |
[INFO] [stdout] 280 |             .set_offset(isr_irq1_bridge as u32)
[INFO] [stdout]     |                                         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 280 |             .set_offset(isr_irq1_bridge as *const () as u32)
[INFO] [stdout]     |                                         ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.19s
[INFO] running `Command { std: "docker" "inspect" "ddd2666395a9474f34797b7df736fb2becd23b1db04b291bce2e929044742d65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddd2666395a9474f34797b7df736fb2becd23b1db04b291bce2e929044742d65", kill_on_drop: false }`
[INFO] [stdout] ddd2666395a9474f34797b7df736fb2becd23b1db04b291bce2e929044742d65