[INFO] updating cached repository https://github.com/yfliuu/ros_64 [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 2250446d5cb1843366b2004a9f8bd6fd03ce57a3 [INFO] checking yfliuu/ros_64 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyfliuu%2Fros_64" "/workspace/builds/worker-7/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/yfliuu/ros_64 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/yfliuu/ros_64 [INFO] finished tweaking git repo https://github.com/yfliuu/ros_64 [INFO] tweaked toml for git repo https://github.com/yfliuu/ros_64 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/yfliuu/ros_64 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 326d9eb3aa31aeee78c411628870c82ae5170134b10b161765f20e96221db08b [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "326d9eb3aa31aeee78c411628870c82ae5170134b10b161765f20e96221db08b"` [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking ux v0.1.3 [INFO] [stderr] Checking usize_conversions v0.2.0 [INFO] [stderr] Checking bit_field v0.9.0 [INFO] [stderr] Checking os_bootinfo v0.2.1 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Checking spin v0.4.10 [INFO] [stderr] Checking pc-keyboard v0.3.1 [INFO] [stderr] Checking volatile v0.2.6 [INFO] [stderr] Checking spin v0.5.0 [INFO] [stderr] Compiling ros v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking array-init v0.0.4 [INFO] [stderr] Compiling raw-cpuid v6.1.0 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking x86_64 v0.2.14 [INFO] [stderr] Checking x86_64 v0.5.4 [INFO] [stderr] Checking uart_16550 v0.1.0 [INFO] [stderr] warning: unused import: `null` [INFO] [stderr] --> src/lib.rs:18:17 [INFO] [stderr] | [INFO] [stderr] 18 | use core::ptr::{null, null_mut}; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/kern/console.rs:144:21 [INFO] [stderr] | [INFO] [stderr] 144 | 0x20...0x7e | b'\n' | BACKSPACE => self.write_byte(byte), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `BorrowMut` [INFO] [stderr] --> src/kern/proc.rs:10:20 [INFO] [stderr] | [INFO] [stderr] 10 | use core::borrow::{BorrowMut}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `array_init::array_init` [INFO] [stderr] --> src/kern/proc.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use array_init::array_init; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `MaybeUninit`, `uninitialized` [INFO] [stderr] --> src/kern/proc.rs:13:17 [INFO] [stderr] | [INFO] [stderr] 13 | use core::mem::{MaybeUninit, uninitialized}; [INFO] [stderr] | ^^^^^^^^^^^ ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `core::default::Default` [INFO] [stderr] --> src/kern/proc.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | use core::default::Default; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'core::mem::uninitialized': use `mem::MaybeUninit` instead [INFO] [stderr] --> src/kern/proc.rs:13:30 [INFO] [stderr] | [INFO] [stderr] 13 | use core::mem::{MaybeUninit, uninitialized}; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `intena` [INFO] [stderr] --> src/kern/proc.rs:283:13 [INFO] [stderr] | [INFO] [stderr] 283 | let mut intena = my_cpu().intena; [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_intena` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `p` [INFO] [stderr] --> src/kern/proc.rs:290:13 [INFO] [stderr] | [INFO] [stderr] 290 | let mut p: Option<&Proc> = None; [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_p` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `p` [INFO] [stderr] --> src/kern/proc.rs:292:9 [INFO] [stderr] | [INFO] [stderr] 292 | let p = my_proc().expect("Sleep"); [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_p` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `lk` [INFO] [stderr] --> src/kern/proc.rs:288:31 [INFO] [stderr] | [INFO] [stderr] 288 | pub unsafe fn sleep(chan: VA, lk: &SpinLock) -> () { [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_lk` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/kern/proc.rs:283:9 [INFO] [stderr] | [INFO] [stderr] 283 | let mut intena = my_cpu().intena; [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/kern/proc.rs:290:9 [INFO] [stderr] | [INFO] [stderr] 290 | let mut p: Option<&Proc> = None; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/kern/proc.rs:116:5 [INFO] [stderr] | [INFO] [stderr] 116 | fn new(pid: usize) -> Self { Proc { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the feature `maybe_uninit` has been stable since 1.36.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/lib.rs:9:12 [INFO] [stderr] | [INFO] [stderr] 9 | #![feature(maybe_uninit)] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: static variable `ticks` should have an upper case name [INFO] [stderr] --> src/kern/idt.rs:47:12 [INFO] [stderr] | [INFO] [stderr] 47 | static mut ticks: u64 = 0; [INFO] [stderr] | ^^^^^ help: convert the identifier to upper case: `TICKS` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `memmove` [INFO] [stderr] --> src/main.rs:6:34 [INFO] [stderr] | [INFO] [stderr] 6 | use ros::{println, p2v, PHYSTOP, memmove}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/main.rs:51:5 [INFO] [stderr] | [INFO] [stderr] 49 | mp_main(); [INFO] [stderr] | --------- any code following this expression is unreachable [INFO] [stderr] 50 | [INFO] [stderr] 51 | println!("FATAL ERROR: DROP TO MAIN HLT LOOP"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused import: `null` [INFO] [stderr] --> src/lib.rs:18:17 [INFO] [stderr] | [INFO] [stderr] 18 | use core::ptr::{null, null_mut}; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/kern/console.rs:144:21 [INFO] [stderr] | [INFO] [stderr] 144 | 0x20...0x7e | b'\n' | BACKSPACE => self.write_byte(byte), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `BorrowMut` [INFO] [stderr] --> src/kern/proc.rs:10:20 [INFO] [stderr] | [INFO] [stderr] 10 | use core::borrow::{BorrowMut}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `array_init::array_init` [INFO] [stderr] --> src/kern/proc.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use array_init::array_init; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `MaybeUninit`, `uninitialized` [INFO] [stderr] --> src/kern/proc.rs:13:17 [INFO] [stderr] | [INFO] [stderr] 13 | use core::mem::{MaybeUninit, uninitialized}; [INFO] [stderr] | ^^^^^^^^^^^ ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `core::default::Default` [INFO] [stderr] --> src/kern/proc.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | use core::default::Default; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'core::mem::uninitialized': use `mem::MaybeUninit` instead [INFO] [stderr] --> src/kern/proc.rs:13:30 [INFO] [stderr] | [INFO] [stderr] 13 | use core::mem::{MaybeUninit, uninitialized}; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `intena` [INFO] [stderr] --> src/kern/proc.rs:283:13 [INFO] [stderr] | [INFO] [stderr] 283 | let mut intena = my_cpu().intena; [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_intena` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `p` [INFO] [stderr] --> src/kern/proc.rs:290:13 [INFO] [stderr] | [INFO] [stderr] 290 | let mut p: Option<&Proc> = None; [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_p` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `p` [INFO] [stderr] --> src/kern/proc.rs:292:9 [INFO] [stderr] | [INFO] [stderr] 292 | let p = my_proc().expect("Sleep"); [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_p` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `lk` [INFO] [stderr] --> src/kern/proc.rs:288:31 [INFO] [stderr] | [INFO] [stderr] 288 | pub unsafe fn sleep(chan: VA, lk: &SpinLock) -> () { [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_lk` [INFO] [stderr] [INFO] [stderr] warning: unused import: `null` [INFO] [stderr] --> src/lib.rs:18:17 [INFO] [stderr] | [INFO] [stderr] 18 | use core::ptr::{null, null_mut}; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/kern/console.rs:144:21 [INFO] [stderr] | [INFO] [stderr] 144 | 0x20...0x7e | b'\n' | BACKSPACE => self.write_byte(byte), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `BorrowMut` [INFO] [stderr] --> src/kern/proc.rs:10:20 [INFO] [stderr] | [INFO] [stderr] 10 | use core::borrow::{BorrowMut}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `array_init::array_init` [INFO] [stderr] --> src/kern/proc.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use array_init::array_init; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `MaybeUninit`, `uninitialized` [INFO] [stderr] --> src/kern/proc.rs:13:17 [INFO] [stderr] | [INFO] [stderr] 13 | use core::mem::{MaybeUninit, uninitialized}; [INFO] [stderr] | ^^^^^^^^^^^ ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `core::default::Default` [INFO] [stderr] --> src/kern/proc.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | use core::default::Default; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/kern/proc.rs:283:9 [INFO] [stderr] | [INFO] [stderr] 283 | let mut intena = my_cpu().intena; [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/kern/proc.rs:290:9 [INFO] [stderr] | [INFO] [stderr] 290 | let mut p: Option<&Proc> = None; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'core::mem::uninitialized': use `mem::MaybeUninit` instead [INFO] [stderr] --> src/kern/proc.rs:13:30 [INFO] [stderr] | [INFO] [stderr] 13 | use core::mem::{MaybeUninit, uninitialized}; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/kern/proc.rs:116:5 [INFO] [stderr] | [INFO] [stderr] 116 | fn new(pid: usize) -> Self { Proc { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the feature `maybe_uninit` has been stable since 1.36.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/lib.rs:9:12 [INFO] [stderr] | [INFO] [stderr] 9 | #![feature(maybe_uninit)] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: static variable `ticks` should have an upper case name [INFO] [stderr] --> src/kern/idt.rs:47:12 [INFO] [stderr] | [INFO] [stderr] 47 | static mut ticks: u64 = 0; [INFO] [stderr] | ^^^^^ help: convert the identifier to upper case: `TICKS` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `memmove` [INFO] [stderr] --> src/main.rs:6:34 [INFO] [stderr] | [INFO] [stderr] 6 | use ros::{println, p2v, PHYSTOP, memmove}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] error[E0152]: duplicate lang item found: `panic_impl`. [INFO] [stderr] --> src/main.rs:56:1 [INFO] [stderr] | [INFO] [stderr] 56 | / fn panic(info: &PanicInfo) -> ! { [INFO] [stderr] 57 | | println!("{}", info); [INFO] [stderr] 58 | | hlt_loop() [INFO] [stderr] 59 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: first defined in crate `std` (which `test` depends on). [INFO] [stderr] [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/main.rs:51:5 [INFO] [stderr] | [INFO] [stderr] 49 | mp_main(); [INFO] [stderr] | --------- any code following this expression is unreachable [INFO] [stderr] 50 | [INFO] [stderr] 51 | println!("FATAL ERROR: DROP TO MAIN HLT LOOP"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0152`. [INFO] [stderr] error: could not compile `ros`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] warning: unused variable: `intena` [INFO] [stderr] --> src/kern/proc.rs:283:13 [INFO] [stderr] | [INFO] [stderr] 283 | let mut intena = my_cpu().intena; [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_intena` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `p` [INFO] [stderr] --> src/kern/proc.rs:290:13 [INFO] [stderr] | [INFO] [stderr] 290 | let mut p: Option<&Proc> = None; [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_p` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `p` [INFO] [stderr] --> src/kern/proc.rs:292:9 [INFO] [stderr] | [INFO] [stderr] 292 | let p = my_proc().expect("Sleep"); [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_p` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `lk` [INFO] [stderr] --> src/kern/proc.rs:288:31 [INFO] [stderr] | [INFO] [stderr] 288 | pub unsafe fn sleep(chan: VA, lk: &SpinLock) -> () { [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_lk` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/kern/proc.rs:283:9 [INFO] [stderr] | [INFO] [stderr] 283 | let mut intena = my_cpu().intena; [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/kern/proc.rs:290:9 [INFO] [stderr] | [INFO] [stderr] 290 | let mut p: Option<&Proc> = None; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/kern/proc.rs:116:5 [INFO] [stderr] | [INFO] [stderr] 116 | fn new(pid: usize) -> Self { Proc { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the feature `maybe_uninit` has been stable since 1.36.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/lib.rs:9:12 [INFO] [stderr] | [INFO] [stderr] 9 | #![feature(maybe_uninit)] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: static variable `ticks` should have an upper case name [INFO] [stderr] --> src/kern/idt.rs:47:12 [INFO] [stderr] | [INFO] [stderr] 47 | static mut ticks: u64 = 0; [INFO] [stderr] | ^^^^^ help: convert the identifier to upper case: `TICKS` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stderr] [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "326d9eb3aa31aeee78c411628870c82ae5170134b10b161765f20e96221db08b"` [INFO] running `"docker" "rm" "-f" "326d9eb3aa31aeee78c411628870c82ae5170134b10b161765f20e96221db08b"` [INFO] [stdout] 326d9eb3aa31aeee78c411628870c82ae5170134b10b161765f20e96221db08b