[INFO] cloning repository https://github.com/Dirinkbottle/BlueStarOS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Dirinkbottle/BlueStarOS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDirinkbottle%2FBlueStarOS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDirinkbottle%2FBlueStarOS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 758c47c77073c9d3bddca3bececa80b7d98c2177
[INFO] checking Dirinkbottle/BlueStarOS against master#ab1d2444533d829e2d5cff6634cd3c70de6d7103 for pr-147841
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDirinkbottle%2FBlueStarOS" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-7-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/Dirinkbottle/BlueStarOS
[INFO] finished tweaking git repo https://github.com/Dirinkbottle/BlueStarOS
[INFO] tweaked toml for git repo https://github.com/Dirinkbottle/BlueStarOS written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Dirinkbottle/BlueStarOS on toolchain ab1d2444533d829e2d5cff6634cd3c70de6d7103
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab1d2444533d829e2d5cff6634cd3c70de6d7103" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Dirinkbottle/BlueStarOS 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" "+ab1d2444533d829e2d5cff6634cd3c70de6d7103" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/rcore-os/riscv`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded buddy_system_allocator v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ab1d2444533d829e2d5cff6634cd3c70de6d7103" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9040bce936a62a17a1e40a2a5723c5b08c29fd0c30103306b5841d08fe2f776c
[INFO] running `Command { std: "docker" "start" "-a" "9040bce936a62a17a1e40a2a5723c5b08c29fd0c30103306b5841d08fe2f776c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9040bce936a62a17a1e40a2a5723c5b08c29fd0c30103306b5841d08fe2f776c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9040bce936a62a17a1e40a2a5723c5b08c29fd0c30103306b5841d08fe2f776c", kill_on_drop: false }`
[INFO] [stdout] 9040bce936a62a17a1e40a2a5723c5b08c29fd0c30103306b5841d08fe2f776c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ab1d2444533d829e2d5cff6634cd3c70de6d7103" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8baf7aea84f3c81d30b5fc74ede2852d1a414b6c5cfd4a5f4a08bc5a6f1e077a
[INFO] running `Command { std: "docker" "start" "-a" "8baf7aea84f3c81d30b5fc74ede2852d1a414b6c5cfd4a5f4a08bc5a6f1e077a", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]     Checking spin v0.7.1
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]     Checking buddy_system_allocator v0.6.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling riscv-target v0.1.2
[INFO] [stderr]    Compiling riscv v0.6.0 (https://github.com/rcore-os/riscv#11d43cf7)
[INFO] [stderr]     Checking os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `trace`
[INFO] [stdout]  --> src/logger.rs:3:61
[INFO] [stdout]   |
[INFO] [stdout] 3 | use log::{Level, LevelFilter, Log, Metadata, Record, debug, trace};
[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: `log::trace`
[INFO] [stdout]  --> src/memory/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use log::trace;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::ops::Add`
[INFO] [stdout]  --> src/memory/address.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::ops::Add;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error`
[INFO] [stdout]  --> src/memory/address.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | use log::{debug, error, warn};
[INFO] [stdout]   |                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `riscv::addr`
[INFO] [stdout]  --> src/memory/address.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use riscv::addr;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::cell::UnsafeCell`
[INFO] [stdout]  --> src/memory/frame_allocator.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use core::cell::UnsafeCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/memory/memset.rs:107:40
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let rodata_end_vpn = VirNumber(( VirAddr(erodata as usize + PAGE_SIZE).floor_up().0 / PAGE_SIZE));
[INFO] [stdout]     |                                        ^^                                                              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 107 -         let rodata_end_vpn = VirNumber(( VirAddr(erodata as usize + PAGE_SIZE).floor_up().0 / PAGE_SIZE));
[INFO] [stdout] 107 +         let rodata_end_vpn = VirNumber(VirAddr(erodata as usize + PAGE_SIZE).floor_up().0 / PAGE_SIZE );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `address::*`
[INFO] [stdout]  --> src/memory/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use address::*;
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `trace`
[INFO] [stdout]  --> src/trap/mod.rs:2:25
[INFO] [stdout]   |
[INFO] [stdout] 2 | use log::{debug, error, trace};
[INFO] [stdout]   |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug` and `trace`
[INFO] [stdout]   --> src/main.rs:20:11
[INFO] [stdout]    |
[INFO] [stdout] 20 | use log::{debug, trace, warn};
[INFO] [stdout]    |           ^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ebss` and `sbss`
[INFO] [stdout]   --> src/main.rs:21:21
[INFO] [stdout]    |
[INFO] [stdout] 21 | use crate::config::{ebss, sbss};
[INFO] [stdout]    |                     ^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `skernel`
[INFO] [stdout]   --> src/main.rs:24:44
[INFO] [stdout]    |
[INFO] [stdout] 24 | use crate::{config::{MEMORY_SIZE, ekernel, skernel}, logger::kernel_info_debug, memory::allocator_init};
[INFO] [stdout]    |                                            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/panic.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout]  5 | / fn panic(_info: &PanicInfo) -> ! {
[INFO] [stdout]  6 | |     let location = _info.location();
[INFO] [stdout]  7 | |     if let Some(loca) = location {
[INFO] [stdout]  8 | |         println!("[Kernel Panic]: Kernel panic at {}:{}: {}", loca.file(), loca.line(), _info.message().unwrap());
[INFO] [stdout] ...  |
[INFO] [stdout] 15 | |     shutdown()
[INFO] [stdout] 16 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the lang item is first defined in crate `std` (which `test` depends on)
[INFO] [stdout]    = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/ab1d2444533d829e2d5cff6634cd3c70de6d7103/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-5f172c9a1cad1328.rlib
[INFO] [stdout]    = note: second definition in the local crate (`os`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `os` (bin "os" test) due to 1 previous error; 12 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused import: `trace`
[INFO] [stdout]  --> src/logger.rs:3:61
[INFO] [stdout]   |
[INFO] [stdout] 3 | use log::{Level, LevelFilter, Log, Metadata, Record, debug, trace};
[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: `log::trace`
[INFO] [stdout]  --> src/memory/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use log::trace;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::ops::Add`
[INFO] [stdout]  --> src/memory/address.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::ops::Add;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error`
[INFO] [stdout]  --> src/memory/address.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | use log::{debug, error, warn};
[INFO] [stdout]   |                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `riscv::addr`
[INFO] [stdout]  --> src/memory/address.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use riscv::addr;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::cell::UnsafeCell`
[INFO] [stdout]  --> src/memory/frame_allocator.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use core::cell::UnsafeCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/memory/memset.rs:107:40
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let rodata_end_vpn = VirNumber(( VirAddr(erodata as usize + PAGE_SIZE).floor_up().0 / PAGE_SIZE));
[INFO] [stdout]     |                                        ^^                                                              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 107 -         let rodata_end_vpn = VirNumber(( VirAddr(erodata as usize + PAGE_SIZE).floor_up().0 / PAGE_SIZE));
[INFO] [stdout] 107 +         let rodata_end_vpn = VirNumber(VirAddr(erodata as usize + PAGE_SIZE).floor_up().0 / PAGE_SIZE );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `address::*`
[INFO] [stdout]  --> src/memory/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use address::*;
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `trace`
[INFO] [stdout]  --> src/trap/mod.rs:2:25
[INFO] [stdout]   |
[INFO] [stdout] 2 | use log::{debug, error, trace};
[INFO] [stdout]   |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug` and `trace`
[INFO] [stdout]   --> src/main.rs:20:11
[INFO] [stdout]    |
[INFO] [stdout] 20 | use log::{debug, trace, warn};
[INFO] [stdout]    |           ^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ebss` and `sbss`
[INFO] [stdout]   --> src/main.rs:21:21
[INFO] [stdout]    |
[INFO] [stdout] 21 | use crate::config::{ebss, sbss};
[INFO] [stdout]    |                     ^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `skernel`
[INFO] [stdout]   --> src/main.rs:24:44
[INFO] [stdout]    |
[INFO] [stdout] 24 | use crate::{config::{MEMORY_SIZE, ekernel, skernel}, logger::kernel_info_debug, memory::allocator_init};
[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] error: invalid register `x10`: unknown register
[INFO] [stdout]   --> src/sbi.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |             inlateout("x10") arg0 => result,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `x11`: unknown register
[INFO] [stdout]   --> src/sbi.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |             in("x11") arg1,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `x12`: unknown register
[INFO] [stdout]   --> src/sbi.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |             in("x12") arg2,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `x16`: unknown register
[INFO] [stdout]   --> src/sbi.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |             in("x16") 0,
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `x17`: unknown register
[INFO] [stdout]   --> src/sbi.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |             in("x17") callid,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `panic_info_message` has been stable since 1.81.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(panic_info_message,alloc)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `alloc` has been stable since 1.36.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:8:31
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(panic_info_message,alloc)]
[INFO] [stdout]   |                               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `unwrap` found for struct `PanicMessage<'a>` in the current scope
[INFO] [stdout]  --> src/panic.rs:8:105
[INFO] [stdout]   |
[INFO] [stdout] 8 |         println!("[Kernel Panic]: Kernel panic at {}:{}: {}", loca.file(), loca.line(), _info.message().unwrap());
[INFO] [stdout]   |                                                                                                         ^^^^^^ method not found in `PanicMessage<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `unwrap` found for struct `PanicMessage<'a>` in the current scope
[INFO] [stdout]  --> src/panic.rs:9:103
[INFO] [stdout]   |
[INFO] [stdout] 9 |         error!("[Kernel Panic]: Kernel panic at {}:{}: {}", loca.file(), loca.line(), _info.message().unwrap())
[INFO] [stdout]   |                                                                                                       ^^^^^^ method not found in `PanicMessage<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `unwrap` found for struct `PanicMessage<'a>` in the current scope
[INFO] [stdout]   --> src/panic.rs:11:70
[INFO] [stdout]    |
[INFO] [stdout] 11 |         println!("[Kernel Panic]: Kernel panic: {}", _info.message().unwrap());
[INFO] [stdout]    |                                                                      ^^^^^^ method not found in `PanicMessage<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `unwrap` found for struct `PanicMessage<'a>` in the current scope
[INFO] [stdout]   --> src/panic.rs:12:68
[INFO] [stdout]    |
[INFO] [stdout] 12 |         error!("[Kernel Panic]: Kernel panic: {}", _info.message().unwrap());
[INFO] [stdout]    |                                                                    ^^^^^^ method not found in `PanicMessage<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/trap/mod.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | /     loop {
[INFO] [stdout] 29 | |         
[INFO] [stdout] 30 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 31 |       panic!("Kernel Traped.... ")
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/memory/address.rs:118:13
[INFO] [stdout]     |
[INFO] [stdout] 118 |         let mut root_frame=alloc_frame().expect("failed to alloc frame for page table");
[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 does not need to be mutable
[INFO] [stdout]    --> src/memory/address.rs:146:13
[INFO] [stdout]     |
[INFO] [stdout] 146 |         let mut idx=VirNum.index();
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/memory/address.rs:176:13
[INFO] [stdout]     |
[INFO] [stdout] 176 |         let mut idx=VirNum.index();
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/memory/frame_allocator.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 |     unsafe {
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let mut kernel_space= MapSet::new_kernel();//内核地址空间，必须持有,从来不会丢弃
[INFO] [stdout]    |         ----^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `os` (bin "os") due to 10 previous errors; 20 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "8baf7aea84f3c81d30b5fc74ede2852d1a414b6c5cfd4a5f4a08bc5a6f1e077a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8baf7aea84f3c81d30b5fc74ede2852d1a414b6c5cfd4a5f4a08bc5a6f1e077a", kill_on_drop: false }`
[INFO] [stdout] 8baf7aea84f3c81d30b5fc74ede2852d1a414b6c5cfd4a5f4a08bc5a6f1e077a
