[INFO] cloning repository https://github.com/MayNc10/rust-os [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MayNc10/rust-os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMayNc10%2Frust-os", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMayNc10%2Frust-os'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 17d190c09641e218995f679aad1ee47edbfc0007 [INFO] checking MayNc10/rust-os against try#bf5ff6675cf10ce009ac02007b064a7cfc4509ac for pr-140558 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMayNc10%2Frust-os" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/MayNc10/rust-os on toolchain bf5ff6675cf10ce009ac02007b064a7cfc4509ac [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bf5ff6675cf10ce009ac02007b064a7cfc4509ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config.toml [INFO] removed /workspace/builds/worker-6-tc2/source/rust-toolchain [INFO] started tweaking git repo https://github.com/MayNc10/rust-os [INFO] removed 0 missing tests [INFO] finished tweaking git repo https://github.com/MayNc10/rust-os [INFO] tweaked toml for git repo https://github.com/MayNc10/rust-os written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/MayNc10/rust-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" "+bf5ff6675cf10ce009ac02007b064a7cfc4509ac" "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 pic8259 v0.10.1 [INFO] [stderr] Downloaded linked_list_allocator v0.9.0 [INFO] [stderr] Downloaded uart_16550 v0.2.14 [INFO] [stderr] Downloaded x86_64 v0.14.7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+bf5ff6675cf10ce009ac02007b064a7cfc4509ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b8e2c99ba8aaf2c55eb3a411c753b5cf969975c861698c3d30a9ecef5e4b39e7 [INFO] running `Command { std: "docker" "start" "-a" "b8e2c99ba8aaf2c55eb3a411c753b5cf969975c861698c3d30a9ecef5e4b39e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b8e2c99ba8aaf2c55eb3a411c753b5cf969975c861698c3d30a9ecef5e4b39e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b8e2c99ba8aaf2c55eb3a411c753b5cf969975c861698c3d30a9ecef5e4b39e7", kill_on_drop: false }` [INFO] [stdout] b8e2c99ba8aaf2c55eb3a411c753b5cf969975c861698c3d30a9ecef5e4b39e7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+bf5ff6675cf10ce009ac02007b064a7cfc4509ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f32198065f1dfdec27ab7b01a6238b1796d06d81460e7532759f2a8fcda3912a [INFO] running `Command { std: "docker" "start" "-a" "f32198065f1dfdec27ab7b01a6238b1796d06d81460e7532759f2a8fcda3912a", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling x86_64 v0.14.7 [INFO] [stderr] Checking bit_field v0.10.1 [INFO] [stderr] Compiling futures-core v0.3.15 [INFO] [stderr] Checking volatile v0.4.4 [INFO] [stderr] Compiling futures-task v0.3.15 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling bootloader v0.9.23 [INFO] [stderr] Checking pin-project-lite v0.2.6 [INFO] [stderr] Checking conquer-util v0.2.0 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Checking pc-keyboard v0.5.1 [INFO] [stderr] Checking volatile v0.2.7 [INFO] [stderr] Checking lock_api v0.4.4 [INFO] [stderr] Checking conquer-once v0.2.1 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling futures-util v0.3.15 [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 v0.10.1 [INFO] [stderr] Checking rust_os v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `PortGeneric` and `ReadWriteAccess` [INFO] [stdout] --> src/disk/pio.rs:7:40 [INFO] [stdout] | [INFO] [stdout] 7 | use x86_64::instructions::port::{Port, PortGeneric, ReadWriteAccess}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `print` [INFO] [stdout] --> src/interrupts.rs:1:28 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::{gdt, hlt_loop, print, println, time::TIMER}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `PortGeneric` and `ReadWriteAccess` [INFO] [stdout] --> src/disk/pio.rs:7:40 [INFO] [stdout] | [INFO] [stdout] 7 | use x86_64::instructions::port::{Port, PortGeneric, ReadWriteAccess}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `print` [INFO] [stdout] --> src/interrupts.rs:1:28 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::{gdt, hlt_loop, print, println, time::TIMER}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BUFFER_HEIGHT` and `Color` [INFO] [stdout] --> src/task/cli.rs:4:50 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::{print, println, vga_buffer::{WRITER, Color, COLOR_LIST, ColorCode, BUFFER_HEIGHT, COLOR_NAME_LIST, BUFFER_WIDTH}, disk::pio::... [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `conquer_once::spin::OnceCell` [INFO] [stdout] --> src/task/cli.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use conquer_once::spin::OnceCell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Stream` and `task::AtomicWaker` [INFO] [stdout] --> src/task/cli.rs:10:14 [INFO] [stdout] | [INFO] [stdout] 10 | stream::{Stream, StreamExt}, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 11 | task::AtomicWaker, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BUFFER_HEIGHT` and `Color` [INFO] [stdout] --> src/task/cli.rs:4:50 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::{print, println, vga_buffer::{WRITER, Color, COLOR_LIST, ColorCode, BUFFER_HEIGHT, COLOR_NAME_LIST, BUFFER_WIDTH}, disk::pio::... [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `conquer_once::spin::OnceCell` [INFO] [stdout] --> src/task/cli.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use conquer_once::spin::OnceCell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Stream` and `task::AtomicWaker` [INFO] [stdout] --> src/task/cli.rs:10:14 [INFO] [stdout] | [INFO] [stdout] 10 | stream::{Stream, StreamExt}, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 11 | task::AtomicWaker, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `#[panic_handler]` function required, but not found [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 `const_mut_refs` has been stable since 1.83.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | #![feature(const_mut_refs)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [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:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | #![feature(const_mut_refs)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `fmt::Write` [INFO] [stdout] --> src/lib.rs:13:30 [INFO] [stdout] | [INFO] [stdout] 13 | use core::{panic::PanicInfo, fmt::Write}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> src/vga_buffer.rs:1:23 [INFO] [stdout] | [INFO] [stdout] 1 | use core::fmt::{self, Write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/disk/pio.rs:287:9 [INFO] [stdout] | [INFO] [stdout] 287 | unsafe { [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `fmt::Write` [INFO] [stdout] --> src/lib.rs:13:30 [INFO] [stdout] | [INFO] [stdout] 13 | use core::{panic::PanicInfo, fmt::Write}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> src/vga_buffer.rs:1:23 [INFO] [stdout] | [INFO] [stdout] 1 | use core::fmt::{self, Write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/disk/pio.rs:287:9 [INFO] [stdout] | [INFO] [stdout] 287 | unsafe { [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `start` [INFO] [stdout] --> src/vga_buffer.rs:229:13 [INFO] [stdout] | [INFO] [stdout] 229 | let start = self.cmd_start; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_start` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rust_os` (lib test) due to 2 previous errors; 10 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused variable: `start` [INFO] [stdout] --> src/vga_buffer.rs:229:13 [INFO] [stdout] | [INFO] [stdout] 229 | let start = self.cmd_start; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_start` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `general_protection_handler` is never used [INFO] [stdout] --> src/interrupts.rs:106:27 [INFO] [stdout] | [INFO] [stdout] 106 | extern "x86-interrupt" fn general_protection_handler(stack_frame: InterruptStackFrame, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/gdt.rs:16:59 [INFO] [stdout] | [INFO] [stdout] 16 | let stack_start = VirtAddr::from_ptr(unsafe { &STACK }); [INFO] [stdout] | ^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [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] 16 | let stack_start = VirtAddr::from_ptr(unsafe { &raw const STACK }); [INFO] [stdout] | +++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "f32198065f1dfdec27ab7b01a6238b1796d06d81460e7532759f2a8fcda3912a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f32198065f1dfdec27ab7b01a6238b1796d06d81460e7532759f2a8fcda3912a", kill_on_drop: false }` [INFO] [stdout] f32198065f1dfdec27ab7b01a6238b1796d06d81460e7532759f2a8fcda3912a