[INFO] cloning repository https://github.com/qinxiaoguang/qxg_os [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qinxiaoguang/qxg_os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqinxiaoguang%2Fqxg_os", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqinxiaoguang%2Fqxg_os'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3aa8a9fc57afb41bd618afed1607cd979bd4a37e [INFO] checking qinxiaoguang/qxg_os against master#aa067fb984d36462548bb785da221bfaf38253f0 for pr-122470 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqinxiaoguang%2Fqxg_os" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/qinxiaoguang/qxg_os on toolchain aa067fb984d36462548bb785da221bfaf38253f0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+aa067fb984d36462548bb785da221bfaf38253f0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-1-tc1/source/.cargo/config.toml [INFO] started tweaking git repo https://github.com/qinxiaoguang/qxg_os [INFO] removed 0 missing tests [INFO] finished tweaking git repo https://github.com/qinxiaoguang/qxg_os [INFO] tweaked toml for git repo https://github.com/qinxiaoguang/qxg_os written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/qinxiaoguang/qxg_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" "+aa067fb984d36462548bb785da221bfaf38253f0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking qinxiaoguang/qxg_os against try#707d6562f55b55a7aab4ab3a904997116b358314 for pr-122470 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqinxiaoguang%2Fqxg_os" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/qinxiaoguang/qxg_os on toolchain 707d6562f55b55a7aab4ab3a904997116b358314 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+707d6562f55b55a7aab4ab3a904997116b358314" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-1-tc2/source/.cargo/config.toml [INFO] started tweaking git repo https://github.com/qinxiaoguang/qxg_os [INFO] removed 0 missing tests [INFO] finished tweaking git repo https://github.com/qinxiaoguang/qxg_os [INFO] tweaked toml for git repo https://github.com/qinxiaoguang/qxg_os written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/qinxiaoguang/qxg_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" "+707d6562f55b55a7aab4ab3a904997116b358314" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded lock_api v0.4.6 [INFO] [stderr] Downloaded pic8259 v0.10.2 [INFO] [stderr] Downloaded linked_list_allocator v0.9.1 [INFO] [stderr] Downloaded pc-keyboard v0.5.1 [INFO] [stderr] Downloaded uart_16550 v0.2.16 [INFO] [stderr] Downloaded bootloader v0.9.21 [INFO] [stderr] Downloaded spinning_top v0.2.4 [INFO] [stderr] Downloaded x86_64 v0.14.8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+707d6562f55b55a7aab4ab3a904997116b358314" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3f33cc5b54dff90f368183a1e089e92b422ba95f83c9526c8d552a7a7251f1d7 [INFO] running `Command { std: "docker" "start" "-a" "3f33cc5b54dff90f368183a1e089e92b422ba95f83c9526c8d552a7a7251f1d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3f33cc5b54dff90f368183a1e089e92b422ba95f83c9526c8d552a7a7251f1d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f33cc5b54dff90f368183a1e089e92b422ba95f83c9526c8d552a7a7251f1d7", kill_on_drop: false }` [INFO] [stdout] 3f33cc5b54dff90f368183a1e089e92b422ba95f83c9526c8d552a7a7251f1d7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+707d6562f55b55a7aab4ab3a904997116b358314" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 641c49b10b0c316ea185a60cefa266cdce37885933fa21b187359d495d883614 [INFO] running `Command { std: "docker" "start" "-a" "641c49b10b0c316ea185a60cefa266cdce37885933fa21b187359d495d883614", kill_on_drop: false }` [INFO] [stderr] Compiling x86_64 v0.14.8 [INFO] [stderr] Checking volatile v0.4.4 [INFO] [stderr] Checking bit_field v0.10.1 [INFO] [stderr] Compiling bootloader v0.9.21 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Checking pc-keyboard v0.5.1 [INFO] [stderr] Checking lock_api v0.4.6 [INFO] [stderr] Checking volatile v0.2.7 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking spinning_top v0.2.4 [INFO] [stderr] Checking linked_list_allocator v0.9.1 [INFO] [stderr] Checking pic8259 v0.10.2 [INFO] [stderr] Checking uart_16550 v0.2.16 [INFO] [stderr] Checking qxg_os v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `arch::x86_64::_MM_HINT_NTA` [INFO] [stdout] --> src/allocator.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | use core::{arch::x86_64::_MM_HINT_NTA, ptr::null_mut}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `spin` is imported redundantly [INFO] [stdout] --> src/interrupts.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use spin; [INFO] [stdout] | ^^^^ the item `spin` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `x86_64::structures::paging::page` [INFO] [stdout] --> src/interrupts.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use x86_64::structures::paging::page; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `x86_64::structures::idt::InterruptDescriptorTable` [INFO] [stdout] --> src/lib.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | use x86_64::structures::idt::InterruptDescriptorTable; [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 import: `arch::x86_64::_MM_HINT_NTA` [INFO] [stdout] --> src/allocator.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | use core::{arch::x86_64::_MM_HINT_NTA, ptr::null_mut}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `spin` is imported redundantly [INFO] [stdout] --> src/interrupts.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use spin; [INFO] [stdout] | ^^^^ the item `spin` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `x86_64::structures::paging::page` [INFO] [stdout] --> src/interrupts.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use x86_64::structures::paging::page; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `x86_64::structures::idt::InterruptDescriptorTable` [INFO] [stdout] --> src/lib.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | use x86_64::structures::idt::InterruptDescriptorTable; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/gdt.rs:23:59 [INFO] [stdout] | [INFO] [stdout] 23 | let stack_start = VirtAddr::from_ptr(unsafe { &STACK }); [INFO] [stdout] | ^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see issue #114447 [INFO] [stdout] = note: this will be a hard error in the 2024 edition [INFO] [stdout] = note: this shared reference has lifetime `'static`, but if the static ever gets mutated, or a mutable reference is created, then any further use of this shared reference is Undefined Behavior [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] help: use `addr_of!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 23 | let stack_start = VirtAddr::from_ptr(unsafe { addr_of!(STACK) }); [INFO] [stdout] | ~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ptr` [INFO] [stdout] --> src/allocator/bump.rs:54:30 [INFO] [stdout] | [INFO] [stdout] 54 | unsafe fn dealloc(&self, ptr: *mut u8, layout: Layout) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ptr` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `layout` [INFO] [stdout] --> src/allocator/bump.rs:54:44 [INFO] [stdout] | [INFO] [stdout] 54 | unsafe fn dealloc(&self, ptr: *mut u8, layout: Layout) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_layout` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/gdt.rs:23:59 [INFO] [stdout] | [INFO] [stdout] 23 | let stack_start = VirtAddr::from_ptr(unsafe { &STACK }); [INFO] [stdout] | ^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see issue #114447 [INFO] [stdout] = note: this will be a hard error in the 2024 edition [INFO] [stdout] = note: this shared reference has lifetime `'static`, but if the static ever gets mutated, or a mutable reference is created, then any further use of this shared reference is Undefined Behavior [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] help: use `addr_of!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 23 | let stack_start = VirtAddr::from_ptr(unsafe { addr_of!(STACK) }); [INFO] [stdout] | ~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ptr` [INFO] [stdout] --> src/allocator/bump.rs:54:30 [INFO] [stdout] | [INFO] [stdout] 54 | unsafe fn dealloc(&self, ptr: *mut u8, layout: Layout) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ptr` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `layout` [INFO] [stdout] --> src/allocator/bump.rs:54:44 [INFO] [stdout] | [INFO] [stdout] 54 | unsafe fn dealloc(&self, ptr: *mut u8, layout: Layout) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_layout` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `qxg_os` (lib test) due to 2 previous errors; 7 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "641c49b10b0c316ea185a60cefa266cdce37885933fa21b187359d495d883614", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "641c49b10b0c316ea185a60cefa266cdce37885933fa21b187359d495d883614", kill_on_drop: false }` [INFO] [stdout] 641c49b10b0c316ea185a60cefa266cdce37885933fa21b187359d495d883614