[INFO] cloning repository https://github.com/JasonWang-Zqqgpllp20/derbo-os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JasonWang-Zqqgpllp20/derbo-os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJasonWang-Zqqgpllp20%2Fderbo-os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJasonWang-Zqqgpllp20%2Fderbo-os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bad80f8cb8d138da528ebc338a7b3140066309de
[INFO] checking JasonWang-Zqqgpllp20/derbo-os against master#5a45ab9738330fb317d49e3594c2db5248b1e971 for pr-136303
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJasonWang-Zqqgpllp20%2Fderbo-os" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JasonWang-Zqqgpllp20/derbo-os on toolchain 5a45ab9738330fb317d49e3594c2db5248b1e971
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-7-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/JasonWang-Zqqgpllp20/derbo-os
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/JasonWang-Zqqgpllp20/derbo-os
[INFO] tweaked toml for git repo https://github.com/JasonWang-Zqqgpllp20/derbo-os written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/JasonWang-Zqqgpllp20/derbo-os 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" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded x86_64 v0.14.7
[INFO] [stderr]   Downloaded conquer-util v0.2.0
[INFO] [stderr]   Downloaded bootloader v0.9.21
[INFO] [stderr]   Downloaded conquer-once v0.2.1
[INFO] [stderr]   Downloaded spinning_top v0.2.4
[INFO] [stderr]   Downloaded linked_list_allocator v0.9.0
[INFO] [stderr]   Downloaded volatile v0.4.4
[INFO] [stderr]   Downloaded pic8259 v0.10.2
[INFO] [stderr]   Downloaded uart_16550 v0.2.14
[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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d9a2e43126f0026fbc0a2da5a431a40554e1b46098aa4d03fd54d1eda1ce19d
[INFO] running `Command { std: "docker" "start" "-a" "1d9a2e43126f0026fbc0a2da5a431a40554e1b46098aa4d03fd54d1eda1ce19d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d9a2e43126f0026fbc0a2da5a431a40554e1b46098aa4d03fd54d1eda1ce19d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d9a2e43126f0026fbc0a2da5a431a40554e1b46098aa4d03fd54d1eda1ce19d", kill_on_drop: false }`
[INFO] [stdout] 1d9a2e43126f0026fbc0a2da5a431a40554e1b46098aa4d03fd54d1eda1ce19d
[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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10f72dfa5ba40ad1daa96d6768e61daa05657feaef3aa72f94b2e901e98838fc
[INFO] running `Command { std: "docker" "start" "-a" "10f72dfa5ba40ad1daa96d6768e61daa05657feaef3aa72f94b2e901e98838fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling x86_64 v0.14.7
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking volatile v0.4.4
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling bootloader v0.9.21
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking conquer-util v0.2.0
[INFO] [stderr]     Checking pc-keyboard v0.5.1
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking volatile v0.2.7
[INFO] [stderr]     Checking conquer-once v0.2.1
[INFO] [stderr]     Checking spinning_top v0.2.4
[INFO] [stderr]     Checking linked_list_allocator v0.9.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking uart_16550 v0.2.14
[INFO] [stderr]     Checking pic8259 v0.10.2
[INFO] [stderr]     Checking DerBo_OS v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `core_intrinsics` is internal to the compiler or standard library
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(core_intrinsics)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: using it is strongly discouraged
[INFO] [stdout]   = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `print`
[INFO] [stdout]  --> src/task/async_task.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{print, println};
[INFO] [stdout]   |             ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[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: the feature `core_intrinsics` is internal to the compiler or standard library
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(core_intrinsics)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: using it is strongly discouraged
[INFO] [stdout]   = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `print`
[INFO] [stdout]  --> src/task/async_task.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{print, println};
[INFO] [stdout]   |             ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `x86_64::instructions::segmentation::cs`: use `CS::get_reg()` instead
[INFO] [stdout]   --> src/interrupts.rs:65:68
[INFO] [stdout]    |
[INFO] [stdout] 65 |     println!("CS index: {:?}", x86_64::instructions::segmentation::cs().0);
[INFO] [stdout]    |                                                                    ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `x86_64::instructions::segmentation::set_cs`: use `CS::set_reg()` instead
[INFO] [stdout]   --> src/gdt.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         set_cs(GDT.1.code_selector);
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `x86_64::instructions::segmentation::set_cs`: use `CS::set_reg()` instead
[INFO] [stdout]   --> src/gdt.rs:41:45
[INFO] [stdout]    |
[INFO] [stdout] 41 |     use x86_64::instructions::segmentation::set_cs;
[INFO] [stdout]    |                                             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `const_mut_refs` has been stable since 1.83.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | #![feature(const_mut_refs)]         // for 'const fn new()' in allocator/linked_list.rs
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `x86_64::instructions::segmentation::cs`: use `CS::get_reg()` instead
[INFO] [stdout]   --> src/interrupts.rs:65:68
[INFO] [stdout]    |
[INFO] [stdout] 65 |     println!("CS index: {:?}", x86_64::instructions::segmentation::cs().0);
[INFO] [stdout]    |                                                                    ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `x86_64::instructions::segmentation::set_cs`: use `CS::set_reg()` instead
[INFO] [stdout]   --> src/gdt.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         set_cs(GDT.1.code_selector);
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `x86_64::instructions::segmentation::set_cs`: use `CS::set_reg()` instead
[INFO] [stdout]   --> src/gdt.rs:41:45
[INFO] [stdout]    |
[INFO] [stdout] 41 |     use x86_64::instructions::segmentation::set_cs;
[INFO] [stdout]    |                                             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `const_mut_refs` has been stable since 1.83.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | #![feature(const_mut_refs)]         // for 'const fn new()' in allocator/linked_list.rs
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `DerBo_OS` (lib test) due to 1 previous error; 6 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: crate `DerBo_OS` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `der_bo_os`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static is discouraged
[INFO] [stdout]   --> src/gdt.rs:20:59
[INFO] [stdout]    |
[INFO] [stdout] 20 | ...   let stack_start = VirtAddr::from_ptr(unsafe { &STACK });    // the compiler can't guarantee race freedom when mutable static are ac...
[INFO] [stdout]    |                                                     ^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] help: use `&raw const` instead to create a raw pointer
[INFO] [stdout]    |
[INFO] [stdout] 20 |             let stack_start = VirtAddr::from_ptr(unsafe { &raw const STACK });    // the compiler can't guarantee race freedom when mutable static are accessed
[INFO] [stdout]    |                                                           ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static is discouraged
[INFO] [stdout]  --> src/task/async_task.rs:7:29
[INFO] [stdout]   |
[INFO] [stdout] 7 |     unsafe { println!("{}", TIMER_COUNT); }
[INFO] [stdout]   |                             ^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]   = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static is discouraged
[INFO] [stdout]   --> src/task/async_task.rs:22:29
[INFO] [stdout]    |
[INFO] [stdout] 22 |     unsafe { println!("{}", TIMER_COUNT); }
[INFO] [stdout]    |                             ^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static is discouraged
[INFO] [stdout]    --> src/terminal/terminal1.rs:173:83
[INFO] [stdout]     |
[INFO] [stdout] 173 | ...                   for (i, b) in EDIT_CHAR.iter().enumerate() {
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static is discouraged
[INFO] [stdout]    --> src/terminal/terminal1.rs:193:81
[INFO] [stdout]     |
[INFO] [stdout] 193 | ...                   for i in 0..EDIT_CHAR.len() {
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static is discouraged
[INFO] [stdout]    --> src/terminal/terminal2.rs:173:83
[INFO] [stdout]     |
[INFO] [stdout] 173 | ...                   for (i, b) in EDIT_CHAR.iter().enumerate() {
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static is discouraged
[INFO] [stdout]    --> src/terminal/terminal2.rs:193:81
[INFO] [stdout]     |
[INFO] [stdout] 193 | ...                   for i in 0..EDIT_CHAR.len() {
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "10f72dfa5ba40ad1daa96d6768e61daa05657feaef3aa72f94b2e901e98838fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10f72dfa5ba40ad1daa96d6768e61daa05657feaef3aa72f94b2e901e98838fc", kill_on_drop: false }`
[INFO] [stdout] 10f72dfa5ba40ad1daa96d6768e61daa05657feaef3aa72f94b2e901e98838fc
