[INFO] cloning repository https://github.com/EasyCanadianGamer/emos
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EasyCanadianGamer/emos" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEasyCanadianGamer%2Femos", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEasyCanadianGamer%2Femos'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c97b073f06efc623f199c6575a19cbbb8ca61a52
[INFO] checking EasyCanadianGamer/emos against master#292be5c7c05138d753bbd4b30db7a3f1a5c914f7 for pr-148271
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEasyCanadianGamer%2Femos" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/EasyCanadianGamer/emos
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/EasyCanadianGamer/emos
[INFO] tweaked toml for git repo https://github.com/EasyCanadianGamer/emos written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/EasyCanadianGamer/emos on toolchain 292be5c7c05138d753bbd4b30db7a3f1a5c914f7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+292be5c7c05138d753bbd4b30db7a3f1a5c914f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/EasyCanadianGamer/emos 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" "+292be5c7c05138d753bbd4b30db7a3f1a5c914f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bootloader v0.9.33
[INFO] [stderr]   Downloaded x86_64 v0.14.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+292be5c7c05138d753bbd4b30db7a3f1a5c914f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ccec40da7ab50c1d0588219407989f176b7fa1b57b1442e5c2cf84c6b062352a
[INFO] running `Command { std: "docker" "start" "-a" "ccec40da7ab50c1d0588219407989f176b7fa1b57b1442e5c2cf84c6b062352a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccec40da7ab50c1d0588219407989f176b7fa1b57b1442e5c2cf84c6b062352a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccec40da7ab50c1d0588219407989f176b7fa1b57b1442e5c2cf84c6b062352a", kill_on_drop: false }`
[INFO] [stdout] ccec40da7ab50c1d0588219407989f176b7fa1b57b1442e5c2cf84c6b062352a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+292be5c7c05138d753bbd4b30db7a3f1a5c914f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70724815a7c83267d2e0cbe06c1fa38b55d227bb40e41a46c8b5ee519eb81d21
[INFO] running `Command { std: "docker" "start" "-a" "70724815a7c83267d2e0cbe06c1fa38b55d227bb40e41a46c8b5ee519eb81d21", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling bootloader v0.9.33
[INFO] [stderr]     Checking bit_field v0.10.3
[INFO] [stderr]     Checking bitflags v2.9.4
[INFO] [stderr]     Checking volatile v0.4.6
[INFO] [stderr]     Checking conquer-util v0.2.0
[INFO] [stderr]     Checking futures-core v0.3.31
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[INFO] [stderr]     Checking uart_16550 v0.2.19
[INFO] [stderr]     Checking pic8259 v0.10.4
[INFO] [stderr]     Checking emos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `FrameAllocator`, `OffsetPageTable`, and `Size4KiB`
[INFO] [stdout]  --> src/services/memory_service.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 |     structures::paging::{FrameAllocator, OffsetPageTable, Size4KiB},
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ToString`
[INFO] [stdout]  --> src/services/file_system_service.rs:4:29
[INFO] [stdout]   |
[INFO] [stdout] 4 | use alloc::string::{String, ToString};
[INFO] [stdout]   |                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `alloc::vec`
[INFO] [stdout]  --> src/services/file_system_service.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use alloc::vec;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `alloc::vec`
[INFO] [stdout]  --> src/tests.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use alloc::vec;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `set_process_priority`
[INFO] [stdout]   --> src/interactive_tests.rs:10:49
[INFO] [stdout]    |
[INFO] [stdout] 10 |     get_current_process, schedule_next_process, set_process_priority
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FrameAllocator`, `OffsetPageTable`, and `Size4KiB`
[INFO] [stdout]  --> src/services/memory_service.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 |     structures::paging::{FrameAllocator, OffsetPageTable, Size4KiB},
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ToString`
[INFO] [stdout]  --> src/services/file_system_service.rs:4:29
[INFO] [stdout]   |
[INFO] [stdout] 4 | use alloc::string::{String, ToString};
[INFO] [stdout]   |                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `alloc::vec`
[INFO] [stdout]  --> src/services/file_system_service.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use alloc::vec;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `alloc::vec`
[INFO] [stdout]   --> src/tests.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout]  4 | use alloc::vec;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/lib.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub mod tests;
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `set_process_priority`
[INFO] [stdout]   --> src/interactive_tests.rs:10:49
[INFO] [stdout]    |
[INFO] [stdout] 10 |     get_current_process, schedule_next_process, set_process_priority
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/lib.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub mod interactive_tests;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/scheduler.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let mut queue = TASK_QUEUE.lock();
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `region` is assigned to, but never used
[INFO] [stdout]   --> src/services/memory_service.rs:82:21
[INFO] [stdout]    |
[INFO] [stdout] 82 |         if let Some(mut region) = self.allocated_regions.remove(&region_id) {
[INFO] [stdout]    |                     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_region` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `region` is never read
[INFO] [stdout]   --> src/services/memory_service.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |             region.is_allocated = false;
[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: unused variable: `pid2`
[INFO] [stdout]   --> src/tests.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let pid2 = match create_process("test_proc2".to_string(), ProcessPriority::High, 4096, 8192) {
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_pid2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `region2`
[INFO] [stdout]    --> src/tests.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |     let region2 = match allocate_memory(2048, MemoryPermissions::ReadOnly) {
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_region2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/scheduler.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let mut queue = TASK_QUEUE.lock();
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start_time`
[INFO] [stdout]    --> src/tests.rs:344:9
[INFO] [stdout]     |
[INFO] [stdout] 344 |     let start_time = 0; // In real implementation, use system timer
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/tests.rs:355:9
[INFO] [stdout]     |
[INFO] [stdout] 355 |     for i in 0..20 {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/interactive_tests.rs:271:9
[INFO] [stdout]     |
[INFO] [stdout] 271 |     for i in 0..100 {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `region` is assigned to, but never used
[INFO] [stdout]   --> src/services/memory_service.rs:82:21
[INFO] [stdout]    |
[INFO] [stdout] 82 |         if let Some(mut region) = self.allocated_regions.remove(&region_id) {
[INFO] [stdout]    |                     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_region` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `region` is never read
[INFO] [stdout]   --> src/services/memory_service.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |             region.is_allocated = false;
[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] [stderr] error: could not compile `emos` (lib test) due to 1 previous error; 13 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `pid2`
[INFO] [stdout]   --> src/tests.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let pid2 = match create_process("test_proc2".to_string(), ProcessPriority::High, 4096, 8192) {
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_pid2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `region2`
[INFO] [stdout]    --> src/tests.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |     let region2 = match allocate_memory(2048, MemoryPermissions::ReadOnly) {
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_region2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start_time`
[INFO] [stdout]    --> src/tests.rs:344:9
[INFO] [stdout]     |
[INFO] [stdout] 344 |     let start_time = 0; // In real implementation, use system timer
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/tests.rs:355:9
[INFO] [stdout]     |
[INFO] [stdout] 355 |     for i in 0..20 {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/interactive_tests.rs:271:9
[INFO] [stdout]     |
[INFO] [stdout] 271 |     for i in 0..100 {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `kernel_stack` is never read
[INFO] [stdout]   --> src/process/context.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct ContextManager {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout]  9 |     current_process: Option<ProcessId>,
[INFO] [stdout] 10 |     kernel_stack: u64, // Kernel stack pointer
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/allocator.rs:72:17
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn lock(&self) -> spin::MutexGuard<A> {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn lock(&self) -> spin::MutexGuard<'_, A> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FrameAllocator`, `OffsetPageTable`, and `Size4KiB`
[INFO] [stdout]  --> src/services/memory_service.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 |     structures::paging::{FrameAllocator, OffsetPageTable, Size4KiB},
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ToString`
[INFO] [stdout]  --> src/services/file_system_service.rs:4:29
[INFO] [stdout]   |
[INFO] [stdout] 4 | use alloc::string::{String, ToString};
[INFO] [stdout]   |                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `alloc::vec`
[INFO] [stdout]  --> src/services/file_system_service.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use alloc::vec;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `alloc::vec`
[INFO] [stdout]   --> src/tests.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout]  4 | use alloc::vec;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/lib.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub mod tests;
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `set_process_priority`
[INFO] [stdout]   --> src/interactive_tests.rs:10:49
[INFO] [stdout]    |
[INFO] [stdout] 10 |     get_current_process, schedule_next_process, set_process_priority
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/lib.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub mod interactive_tests;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/scheduler.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let mut queue = TASK_QUEUE.lock();
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `region` is assigned to, but never used
[INFO] [stdout]   --> src/services/memory_service.rs:82:21
[INFO] [stdout]    |
[INFO] [stdout] 82 |         if let Some(mut region) = self.allocated_regions.remove(&region_id) {
[INFO] [stdout]    |                     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_region` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `region` is never read
[INFO] [stdout]   --> src/services/memory_service.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |             region.is_allocated = false;
[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: unused variable: `pid2`
[INFO] [stdout]   --> src/tests.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let pid2 = match create_process("test_proc2".to_string(), ProcessPriority::High, 4096, 8192) {
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_pid2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `region2`
[INFO] [stdout]    --> src/tests.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |     let region2 = match allocate_memory(2048, MemoryPermissions::ReadOnly) {
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_region2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start_time`
[INFO] [stdout]    --> src/tests.rs:344:9
[INFO] [stdout]     |
[INFO] [stdout] 344 |     let start_time = 0; // In real implementation, use system timer
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/tests.rs:355:9
[INFO] [stdout]     |
[INFO] [stdout] 355 |     for i in 0..20 {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/interactive_tests.rs:271:9
[INFO] [stdout]     |
[INFO] [stdout] 271 |     for i in 0..100 {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `kernel_stack` is never read
[INFO] [stdout]   --> src/process/context.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct ContextManager {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout]  9 |     current_process: Option<ProcessId>,
[INFO] [stdout] 10 |     kernel_stack: u64, // Kernel stack pointer
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/allocator.rs:72:17
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn lock(&self) -> spin::MutexGuard<A> {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn lock(&self) -> spin::MutexGuard<'_, A> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "70724815a7c83267d2e0cbe06c1fa38b55d227bb40e41a46c8b5ee519eb81d21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70724815a7c83267d2e0cbe06c1fa38b55d227bb40e41a46c8b5ee519eb81d21", kill_on_drop: false }`
[INFO] [stdout] 70724815a7c83267d2e0cbe06c1fa38b55d227bb40e41a46c8b5ee519eb81d21
