[INFO] cloning repository https://github.com/anvy2/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/anvy2/rust_os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanvy2%2Frust_os", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanvy2%2Frust_os'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] db2979fcb85a6d2865fe1da3a0ed40e8a8b489b8 [INFO] checking anvy2/rust_os/db2979fcb85a6d2865fe1da3a0ed40e8a8b489b8 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanvy2%2Frust_os" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/anvy2/rust_os on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-3-tc1/source/.cargo/config.toml [INFO] started tweaking git repo https://github.com/anvy2/rust_os [INFO] removed 0 missing tests [INFO] finished tweaking git repo https://github.com/anvy2/rust_os [INFO] tweaked toml for git repo https://github.com/anvy2/rust_os written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/anvy2/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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded volatile v0.4.6 [INFO] [stderr] Downloaded uart_16550 v0.3.0 [INFO] [stderr] Downloaded pic8259 v0.11.0 [INFO] [stderr] Downloaded volatile v0.2.7 [INFO] [stderr] Downloaded rustversion v1.0.16 [INFO] [stderr] Downloaded x86_64 v0.15.1 [INFO] [stderr] Downloaded bootloader v0.9.29 [INFO] [stderr] Downloaded spinning_top v0.2.5 [INFO] [stderr] Downloaded raw-cpuid v10.7.0 [INFO] [stderr] Downloaded conquer-util v0.3.0 [INFO] [stderr] Downloaded conquer-once v0.4.0 [INFO] [stderr] Downloaded linked_list_allocator v0.10.5 [INFO] [stderr] Downloaded pc-keyboard v0.7.0 [INFO] [stderr] Downloaded x86 v0.52.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6bb7f89f6b486d22dc859b6a247a1d4e55162caefcbe70c0fd90a2cc88bf61b4 [INFO] running `Command { std: "docker" "start" "-a" "6bb7f89f6b486d22dc859b6a247a1d4e55162caefcbe70c0fd90a2cc88bf61b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6bb7f89f6b486d22dc859b6a247a1d4e55162caefcbe70c0fd90a2cc88bf61b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6bb7f89f6b486d22dc859b6a247a1d4e55162caefcbe70c0fd90a2cc88bf61b4", kill_on_drop: false }` [INFO] [stdout] 6bb7f89f6b486d22dc859b6a247a1d4e55162caefcbe70c0fd90a2cc88bf61b4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a53519bd8d8f322964b480629af292b67ed56d0d5c0b0c370bd5ee7c69b490d8 [INFO] running `Command { std: "docker" "start" "-a" "a53519bd8d8f322964b480629af292b67ed56d0d5c0b0c370bd5ee7c69b490d8", kill_on_drop: false }` [INFO] [stderr] Compiling rustversion v1.0.16 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling x86 v0.52.0 [INFO] [stderr] Checking volatile v0.4.6 [INFO] [stderr] Compiling bootloader v0.9.29 [INFO] [stderr] Checking conquer-util v0.3.0 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking raw-cpuid v10.7.0 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Checking volatile v0.2.7 [INFO] [stderr] Checking pc-keyboard v0.7.0 [INFO] [stderr] Checking spinning_top v0.2.5 [INFO] [stderr] Checking spin v0.9.8 [INFO] [stderr] Checking conquer-once v0.4.0 [INFO] [stderr] Checking linked_list_allocator v0.10.5 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking x86_64 v0.15.1 [INFO] [stderr] Checking pic8259 v0.11.0 [INFO] [stderr] Checking uart_16550 v0.3.0 [INFO] [stderr] Checking rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `linked_list::LinkedListAllocator` [INFO] [stdout] --> src/allocator/mod.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use linked_list::LinkedListAllocator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `linked_list::LinkedListAllocator` [INFO] [stdout] --> src/allocator/mod.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use linked_list::LinkedListAllocator; [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}; [INFO] [stdout] | ^^^^^ [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}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `DecodedKey` [INFO] [stdout] --> src/interrupts.rs:45:32 [INFO] [stdout] | [INFO] [stdout] 45 | use pc_keyboard::{layouts, DecodedKey, HandleControl, Keyboard, ScancodeSet1}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `DecodedKey` [INFO] [stdout] --> src/interrupts.rs:45:32 [INFO] [stdout] | [INFO] [stdout] 45 | use pc_keyboard::{layouts, DecodedKey, HandleControl, Keyboard, ScancodeSet1}; [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: the feature `const_mut_refs` has been stable since 1.83.0-nightly and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | #![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-nightly and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | #![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 variable: `layout` [INFO] [stdout] --> src/allocator/mod.rs:24:28 [INFO] [stdout] | [INFO] [stdout] 24 | unsafe fn alloc(&self, layout: Layout) -> *mut u8 { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_layout` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ptr` [INFO] [stdout] --> src/allocator/mod.rs:28:30 [INFO] [stdout] | [INFO] [stdout] 28 | 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/mod.rs:28:44 [INFO] [stdout] | [INFO] [stdout] 28 | 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: unused variable: `layout` [INFO] [stdout] --> src/allocator/mod.rs:24:28 [INFO] [stdout] | [INFO] [stdout] 24 | unsafe fn alloc(&self, layout: Layout) -> *mut u8 { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_layout` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ptr` [INFO] [stdout] --> src/allocator/mod.rs:28:30 [INFO] [stdout] | [INFO] [stdout] 28 | 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/mod.rs:28:44 [INFO] [stdout] | [INFO] [stdout] 28 | 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: unnecessary `unsafe` block [INFO] [stdout] --> src/gdt.rs:20:50 [INFO] [stdout] | [INFO] [stdout] 20 | let stack_start = VirtAddr::from_ptr(unsafe { addr_of!(STACK) }); [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/gdt.rs:20:50 [INFO] [stdout] | [INFO] [stdout] 20 | let stack_start = VirtAddr::from_ptr(unsafe { addr_of!(STACK) }); [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: `keyboard` [INFO] [stdout] --> src/interrupts.rs:57:13 [INFO] [stdout] | [INFO] [stdout] 57 | let mut keyboard = KEYBOARD.lock(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_keyboard` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/interrupts.rs:57:9 [INFO] [stdout] | [INFO] [stdout] 57 | let mut keyboard = KEYBOARD.lock(); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `keyboard` [INFO] [stdout] --> src/interrupts.rs:57:13 [INFO] [stdout] | [INFO] [stdout] 57 | let mut keyboard = KEYBOARD.lock(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_keyboard` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/interrupts.rs:57:9 [INFO] [stdout] | [INFO] [stdout] 57 | let mut keyboard = KEYBOARD.lock(); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `as_usize` is never used [INFO] [stdout] --> src/interrupts.rs:110:8 [INFO] [stdout] | [INFO] [stdout] 105 | impl InterruptIndex { [INFO] [stdout] | ------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 110 | fn as_usize(self) -> usize { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rust` (lib test) due to 2 previous errors; 10 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "a53519bd8d8f322964b480629af292b67ed56d0d5c0b0c370bd5ee7c69b490d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a53519bd8d8f322964b480629af292b67ed56d0d5c0b0c370bd5ee7c69b490d8", kill_on_drop: false }` [INFO] [stdout] a53519bd8d8f322964b480629af292b67ed56d0d5c0b0c370bd5ee7c69b490d8