[INFO] cloning repository https://github.com/tristanpoland/Statue
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tristanpoland/Statue" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftristanpoland%2FStatue", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftristanpoland%2FStatue'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 313977f3a39d0404df63f284271feff3085f4503
[INFO] checking tristanpoland/Statue against try#9b8307bcb9d1de8ffc7e1c81c48efffdb24ee840 for pr-149518
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftristanpoland%2FStatue" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tristanpoland/Statue
[INFO] finished tweaking git repo https://github.com/tristanpoland/Statue
[INFO] tweaked toml for git repo https://github.com/tristanpoland/Statue written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tristanpoland/Statue on toolchain 9b8307bcb9d1de8ffc7e1c81c48efffdb24ee840
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b8307bcb9d1de8ffc7e1c81c48efffdb24ee840" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tristanpoland/Statue 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" "+9b8307bcb9d1de8ffc7e1c81c48efffdb24ee840" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+9b8307bcb9d1de8ffc7e1c81c48efffdb24ee840" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 726467dbab34402fdca69dc52392daf3c643ce57a50f6d5a34a3e9f7ef4780f4
[INFO] running `Command { std: "docker" "start" "-a" "726467dbab34402fdca69dc52392daf3c643ce57a50f6d5a34a3e9f7ef4780f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "726467dbab34402fdca69dc52392daf3c643ce57a50f6d5a34a3e9f7ef4780f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "726467dbab34402fdca69dc52392daf3c643ce57a50f6d5a34a3e9f7ef4780f4", kill_on_drop: false }`
[INFO] [stdout] 726467dbab34402fdca69dc52392daf3c643ce57a50f6d5a34a3e9f7ef4780f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+9b8307bcb9d1de8ffc7e1c81c48efffdb24ee840" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c14299aac8fea00e20f3ca254d3095464e34f307184bda9a8924e6ced23efb4c
[INFO] running `Command { std: "docker" "start" "-a" "c14299aac8fea00e20f3ca254d3095464e34f307184bda9a8924e6ced23efb4c", kill_on_drop: false }`
[INFO] [stderr]     Checking statue v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `eax` is assigned to, but never used
[INFO] [stdout]    --> src/arch.rs:119:21
[INFO] [stdout]     |
[INFO] [stdout] 119 |                 let mut eax: u32;
[INFO] [stdout]     |                     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_eax` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `eax` is never read
[INFO] [stdout]    --> src/arch.rs:122:17
[INFO] [stdout]     |
[INFO] [stdout] 122 | /                 core::arch::asm!(
[INFO] [stdout] 123 | |                     "mov {leaf:e}, %eax",
[INFO] [stdout] 124 | |                     "cpuid",
[INFO] [stdout] 125 | |                     "mov %eax, {eax:e}",
[INFO] [stdout] ...   |
[INFO] [stdout] 131 | |                     edx = out(reg) edx,
[INFO] [stdout] 132 | |                 );
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `eax` is assigned to, but never used
[INFO] [stdout]    --> src/arch.rs:155:21
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 let mut eax: u32;
[INFO] [stdout]     |                     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_eax` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `ecx` is assigned to, but never used
[INFO] [stdout]    --> src/arch.rs:156:21
[INFO] [stdout]     |
[INFO] [stdout] 156 |                 let mut ecx: u32;
[INFO] [stdout]     |                     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_ecx` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `eax` is never read
[INFO] [stdout]    --> src/arch.rs:158:17
[INFO] [stdout]     |
[INFO] [stdout] 158 | /                 core::arch::asm!(
[INFO] [stdout] 159 | |                     "mov {leaf:e}, %eax",
[INFO] [stdout] 160 | |                     "cpuid",
[INFO] [stdout] 161 | |                     "mov %eax, {eax:e}",
[INFO] [stdout] ...   |
[INFO] [stdout] 167 | |                     edx = out(reg) edx,
[INFO] [stdout] 168 | |                 );
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ecx` is never read
[INFO] [stdout]    --> src/arch.rs:158:17
[INFO] [stdout]     |
[INFO] [stdout] 158 | /                 core::arch::asm!(
[INFO] [stdout] 159 | |                     "mov {leaf:e}, %eax",
[INFO] [stdout] 160 | |                     "cpuid",
[INFO] [stdout] 161 | |                     "mov %eax, {eax:e}",
[INFO] [stdout] ...   |
[INFO] [stdout] 167 | |                     edx = out(reg) edx,
[INFO] [stdout] 168 | |                 );
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `vaddr` and `ref_count` are never read
[INFO] [stdout]   --> src/memory.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | struct VirtualPage {
[INFO] [stdout]    |        ----------- fields in this struct
[INFO] [stdout] 51 |     /// Virtual address (page-aligned)
[INFO] [stdout] 52 |     vaddr: u64,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     ref_count: usize,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `VirtualPage` has a derived impl for the trait `Debug`, 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: struct `PageTableEntry` is never constructed
[INFO] [stdout]   --> src/memory.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | struct PageTableEntry(u64);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `physical_addr`, and `is_present` are never used
[INFO] [stdout]   --> src/memory.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | impl PageTableEntry {
[INFO] [stdout]    | ------------------- associated items in this implementation
[INFO] [stdout] 67 |     /// Create a new page table entry
[INFO] [stdout] 68 |     fn new(paddr: u64, protection: MemoryProtection) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |     fn physical_addr(&self) -> u64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |     fn is_present(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `next_vaddr`, `code_region`, `data_region`, `heap_region`, and `stack_region` are never read
[INFO] [stdout]    --> src/memory.rs:98:5
[INFO] [stdout]     |
[INFO] [stdout]  90 | pub struct RealMemoryManager {
[INFO] [stdout]     |            ----------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout]  98 |     next_vaddr: u64,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]  99 |     /// Memory regions for different purposes
[INFO] [stdout] 100 |     code_region: (u64, u64),
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 101 |     data_region: (u64, u64),
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 102 |     heap_region: (u64, u64),
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 103 |     stack_region: (u64, u64),
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `eax` is assigned to, but never used
[INFO] [stdout]    --> src/arch.rs:119:21
[INFO] [stdout]     |
[INFO] [stdout] 119 |                 let mut eax: u32;
[INFO] [stdout]     |                     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_eax` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `eax` is never read
[INFO] [stdout]    --> src/arch.rs:122:17
[INFO] [stdout]     |
[INFO] [stdout] 122 | /                 core::arch::asm!(
[INFO] [stdout] 123 | |                     "mov {leaf:e}, %eax",
[INFO] [stdout] 124 | |                     "cpuid",
[INFO] [stdout] 125 | |                     "mov %eax, {eax:e}",
[INFO] [stdout] ...   |
[INFO] [stdout] 131 | |                     edx = out(reg) edx,
[INFO] [stdout] 132 | |                 );
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `eax` is assigned to, but never used
[INFO] [stdout]    --> src/arch.rs:155:21
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 let mut eax: u32;
[INFO] [stdout]     |                     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_eax` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `ecx` is assigned to, but never used
[INFO] [stdout]    --> src/arch.rs:156:21
[INFO] [stdout]     |
[INFO] [stdout] 156 |                 let mut ecx: u32;
[INFO] [stdout]     |                     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_ecx` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `eax` is never read
[INFO] [stdout]    --> src/arch.rs:158:17
[INFO] [stdout]     |
[INFO] [stdout] 158 | /                 core::arch::asm!(
[INFO] [stdout] 159 | |                     "mov {leaf:e}, %eax",
[INFO] [stdout] 160 | |                     "cpuid",
[INFO] [stdout] 161 | |                     "mov %eax, {eax:e}",
[INFO] [stdout] ...   |
[INFO] [stdout] 167 | |                     edx = out(reg) edx,
[INFO] [stdout] 168 | |                 );
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ecx` is never read
[INFO] [stdout]    --> src/arch.rs:158:17
[INFO] [stdout]     |
[INFO] [stdout] 158 | /                 core::arch::asm!(
[INFO] [stdout] 159 | |                     "mov {leaf:e}, %eax",
[INFO] [stdout] 160 | |                     "cpuid",
[INFO] [stdout] 161 | |                     "mov %eax, {eax:e}",
[INFO] [stdout] ...   |
[INFO] [stdout] 167 | |                     edx = out(reg) edx,
[INFO] [stdout] 168 | |                 );
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `eax` is assigned to, but never used
[INFO] [stdout]    --> src/arch.rs:119:21
[INFO] [stdout]     |
[INFO] [stdout] 119 |                 let mut eax: u32;
[INFO] [stdout]     |                     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_eax` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `eax` is never read
[INFO] [stdout]    --> src/arch.rs:122:17
[INFO] [stdout]     |
[INFO] [stdout] 122 | /                 core::arch::asm!(
[INFO] [stdout] 123 | |                     "mov {leaf:e}, %eax",
[INFO] [stdout] 124 | |                     "cpuid",
[INFO] [stdout] 125 | |                     "mov %eax, {eax:e}",
[INFO] [stdout] ...   |
[INFO] [stdout] 131 | |                     edx = out(reg) edx,
[INFO] [stdout] 132 | |                 );
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `eax` is assigned to, but never used
[INFO] [stdout]    --> src/arch.rs:155:21
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 let mut eax: u32;
[INFO] [stdout]     |                     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_eax` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `ecx` is assigned to, but never used
[INFO] [stdout]    --> src/arch.rs:156:21
[INFO] [stdout]     |
[INFO] [stdout] 156 |                 let mut ecx: u32;
[INFO] [stdout]     |                     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_ecx` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `eax` is never read
[INFO] [stdout]    --> src/arch.rs:158:17
[INFO] [stdout]     |
[INFO] [stdout] 158 | /                 core::arch::asm!(
[INFO] [stdout] 159 | |                     "mov {leaf:e}, %eax",
[INFO] [stdout] 160 | |                     "cpuid",
[INFO] [stdout] 161 | |                     "mov %eax, {eax:e}",
[INFO] [stdout] ...   |
[INFO] [stdout] 167 | |                     edx = out(reg) edx,
[INFO] [stdout] 168 | |                 );
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ecx` is never read
[INFO] [stdout]    --> src/arch.rs:158:17
[INFO] [stdout]     |
[INFO] [stdout] 158 | /                 core::arch::asm!(
[INFO] [stdout] 159 | |                     "mov {leaf:e}, %eax",
[INFO] [stdout] 160 | |                     "cpuid",
[INFO] [stdout] 161 | |                     "mov %eax, {eax:e}",
[INFO] [stdout] ...   |
[INFO] [stdout] 167 | |                     edx = out(reg) edx,
[INFO] [stdout] 168 | |                 );
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `vaddr` and `ref_count` are never read
[INFO] [stdout]   --> src/memory.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | struct VirtualPage {
[INFO] [stdout]    |        ----------- fields in this struct
[INFO] [stdout] 51 |     /// Virtual address (page-aligned)
[INFO] [stdout] 52 |     vaddr: u64,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     ref_count: usize,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `VirtualPage` has a derived impl for the trait `Debug`, 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: struct `PageTableEntry` is never constructed
[INFO] [stdout]   --> src/memory.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | struct PageTableEntry(u64);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `physical_addr`, and `is_present` are never used
[INFO] [stdout]   --> src/memory.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | impl PageTableEntry {
[INFO] [stdout]    | ------------------- associated items in this implementation
[INFO] [stdout] 67 |     /// Create a new page table entry
[INFO] [stdout] 68 |     fn new(paddr: u64, protection: MemoryProtection) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |     fn physical_addr(&self) -> u64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |     fn is_present(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `next_vaddr`, `code_region`, `data_region`, `heap_region`, and `stack_region` are never read
[INFO] [stdout]    --> src/memory.rs:98:5
[INFO] [stdout]     |
[INFO] [stdout]  90 | pub struct RealMemoryManager {
[INFO] [stdout]     |            ----------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout]  98 |     next_vaddr: u64,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]  99 |     /// Memory regions for different purposes
[INFO] [stdout] 100 |     code_region: (u64, u64),
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 101 |     data_region: (u64, u64),
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 102 |     heap_region: (u64, u64),
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 103 |     stack_region: (u64, u64),
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `vaddr` and `ref_count` are never read
[INFO] [stdout]   --> src/memory.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | struct VirtualPage {
[INFO] [stdout]    |        ----------- fields in this struct
[INFO] [stdout] 51 |     /// Virtual address (page-aligned)
[INFO] [stdout] 52 |     vaddr: u64,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     ref_count: usize,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `VirtualPage` has a derived impl for the trait `Debug`, 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: struct `PageTableEntry` is never constructed
[INFO] [stdout]   --> src/memory.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | struct PageTableEntry(u64);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `physical_addr`, and `is_present` are never used
[INFO] [stdout]   --> src/memory.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | impl PageTableEntry {
[INFO] [stdout]    | ------------------- associated items in this implementation
[INFO] [stdout] 67 |     /// Create a new page table entry
[INFO] [stdout] 68 |     fn new(paddr: u64, protection: MemoryProtection) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |     fn physical_addr(&self) -> u64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |     fn is_present(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `next_vaddr`, `code_region`, `data_region`, `heap_region`, and `stack_region` are never read
[INFO] [stdout]    --> src/memory.rs:98:5
[INFO] [stdout]     |
[INFO] [stdout]  90 | pub struct RealMemoryManager {
[INFO] [stdout]     |            ----------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout]  98 |     next_vaddr: u64,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]  99 |     /// Memory regions for different purposes
[INFO] [stdout] 100 |     code_region: (u64, u64),
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 101 |     data_region: (u64, u64),
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 102 |     heap_region: (u64, u64),
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 103 |     stack_region: (u64, u64),
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "c14299aac8fea00e20f3ca254d3095464e34f307184bda9a8924e6ced23efb4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c14299aac8fea00e20f3ca254d3095464e34f307184bda9a8924e6ced23efb4c", kill_on_drop: false }`
[INFO] [stdout] c14299aac8fea00e20f3ca254d3095464e34f307184bda9a8924e6ced23efb4c
