[INFO] cloning repository https://github.com/zsh-a/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/zsh-a/rust-os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzsh-a%2Frust-os", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzsh-a%2Frust-os'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a367d4cf528013b5733ddb0f77ce94bc22322115 [INFO] checking zsh-a/rust-os against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzsh-a%2Frust-os" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/zsh-a/rust-os on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-7/source/.cargo/config.toml [INFO] started tweaking git repo https://github.com/zsh-a/rust-os [INFO] removed 0 missing tests [INFO] finished tweaking git repo https://github.com/zsh-a/rust-os [INFO] tweaked toml for git repo https://github.com/zsh-a/rust-os written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/zsh-a/rust-os already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b90f0f7c1c43d60d0a954422240a0859625e40f444df46e79e87255eb643fdc9 [INFO] running `Command { std: "docker" "start" "-a" "b90f0f7c1c43d60d0a954422240a0859625e40f444df46e79e87255eb643fdc9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b90f0f7c1c43d60d0a954422240a0859625e40f444df46e79e87255eb643fdc9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b90f0f7c1c43d60d0a954422240a0859625e40f444df46e79e87255eb643fdc9", kill_on_drop: false }` [INFO] [stdout] b90f0f7c1c43d60d0a954422240a0859625e40f444df46e79e87255eb643fdc9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3208226c1e12495b9bed40f28bf675d942d5c4f5f112d3ffb5482d86fb102450 [INFO] running `Command { std: "docker" "start" "-a" "3208226c1e12495b9bed40f28bf675d942d5c4f5f112d3ffb5482d86fb102450", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling x86_64 v0.14.4 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling futures-task v0.3.16 [INFO] [stderr] Checking volatile v0.4.4 [INFO] [stderr] Compiling futures-core v0.3.16 [INFO] [stderr] Checking bit_field v0.9.0 [INFO] [stderr] Compiling bootloader v0.9.18 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking pin-project-lite v0.2.7 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Checking conquer-util v0.2.0 [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] Checking spinning_top v0.2.4 [INFO] [stderr] Checking linked_list_allocator v0.9.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling futures-util v0.3.16 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking pic8259 v0.10.1 [INFO] [stderr] Checking uart_16550 v0.2.15 [INFO] [stderr] Checking blog_os v0.1.0 (/opt/rustwide/workdir) [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] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::ptr::NonNull` [INFO] [stdout] --> src/interrupts.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use core::ptr::NonNull; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `DecodedKey` [INFO] [stdout] --> src/interrupts.rs:83:32 [INFO] [stdout] | [INFO] [stdout] 83 | use pc_keyboard::{layouts, DecodedKey, HandleControl, Keyboard, ScancodeSet1}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `bump::BumpAllocator`, `linked_list::LinkedListAllocator` [INFO] [stdout] --> src/allocator.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | use self::{bump::BumpAllocator, fixed_size_block::FixedSizeBlockAllocator, linked_list::LinkedListAllocator}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `println`, `serial_println` [INFO] [stdout] --> src/allocator/linked_list.rs:3:34 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::{allocator::align_up, println, serial_println}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `align_of`, `self` [INFO] [stdout] --> src/allocator/fixed_size_block.rs:2:44 [INFO] [stdout] | [INFO] [stdout] 2 | use core::{alloc::GlobalAlloc, mem::{self, align_of}, ptr::{self, NonNull, null_mut}}; [INFO] [stdout] | ^^^^^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/task/executor.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | task::{self, Wake}, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::interrupts` [INFO] [stdout] --> src/task/executor.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use crate::interrupts; [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] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::ptr::NonNull` [INFO] [stdout] --> src/interrupts.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use core::ptr::NonNull; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `DecodedKey` [INFO] [stdout] --> src/interrupts.rs:83:32 [INFO] [stdout] | [INFO] [stdout] 83 | use pc_keyboard::{layouts, DecodedKey, HandleControl, Keyboard, ScancodeSet1}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `bump::BumpAllocator`, `linked_list::LinkedListAllocator` [INFO] [stdout] --> src/allocator.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | use self::{bump::BumpAllocator, fixed_size_block::FixedSizeBlockAllocator, linked_list::LinkedListAllocator}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `println`, `serial_println` [INFO] [stdout] --> src/allocator/linked_list.rs:3:34 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::{allocator::align_up, println, serial_println}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `align_of`, `self` [INFO] [stdout] --> src/allocator/fixed_size_block.rs:2:44 [INFO] [stdout] | [INFO] [stdout] 2 | use core::{alloc::GlobalAlloc, mem::{self, align_of}, ptr::{self, NonNull, null_mut}}; [INFO] [stdout] | ^^^^^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/task/executor.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | task::{self, Wake}, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::interrupts` [INFO] [stdout] --> src/task/executor.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use crate::interrupts; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: language item required, but not found: `eh_personality` [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:44:9 [INFO] [stdout] | [INFO] [stdout] 44 | set_cs(GDT.1.code_selector); [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:40:45 [INFO] [stdout] | [INFO] [stdout] 40 | use x86_64::instructions::segmentation::set_cs; [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:44:9 [INFO] [stdout] | [INFO] [stdout] 44 | set_cs(GDT.1.code_selector); [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:40:45 [INFO] [stdout] | [INFO] [stdout] 40 | use x86_64::instructions::segmentation::set_cs; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stack_frame` [INFO] [stdout] --> src/interrupts.rs:64:51 [INFO] [stdout] | [INFO] [stdout] 64 | extern "x86-interrupt" fn timer_interrupt_handler(stack_frame: InterruptStackFrame) { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stack_frame` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stack_frame` [INFO] [stdout] --> src/interrupts.rs:82:54 [INFO] [stdout] | [INFO] [stdout] 82 | extern "x86-interrupt" fn keyboard_interrupt_handler(stack_frame: InterruptStackFrame) { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stack_frame` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `layout` [INFO] [stdout] --> src/allocator.rs:51:28 [INFO] [stdout] | [INFO] [stdout] 51 | unsafe fn alloc(&self, layout: core::alloc::Layout) -> *mut u8 { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_layout` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ptr` [INFO] [stdout] --> src/allocator.rs:55:30 [INFO] [stdout] | [INFO] [stdout] 55 | unsafe fn dealloc(&self, ptr: *mut u8, layout: core::alloc::Layout) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ptr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `layout` [INFO] [stdout] --> src/allocator.rs:55:44 [INFO] [stdout] | [INFO] [stdout] 55 | unsafe fn dealloc(&self, ptr: *mut u8, layout: core::alloc::Layout) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_layout` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ptr` [INFO] [stdout] --> src/allocator/bump.rs:45:30 [INFO] [stdout] | [INFO] [stdout] 45 | 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] [INFO] [stdout] warning: unused variable: `layout` [INFO] [stdout] --> src/allocator/bump.rs:45:44 [INFO] [stdout] | [INFO] [stdout] 45 | 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 previous error; 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `blog_os` due to 2 previous errors; 10 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] [stdout] warning: 17 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "3208226c1e12495b9bed40f28bf675d942d5c4f5f112d3ffb5482d86fb102450", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3208226c1e12495b9bed40f28bf675d942d5c4f5f112d3ffb5482d86fb102450", kill_on_drop: false }` [INFO] [stdout] 3208226c1e12495b9bed40f28bf675d942d5c4f5f112d3ffb5482d86fb102450