[INFO] cloning repository https://github.com/BigBillZhao/xv6-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BigBillZhao/xv6-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBigBillZhao%2Fxv6-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBigBillZhao%2Fxv6-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 90dd3816def980313ad2b7b63649f1c9d502216c [INFO] building BigBillZhao/xv6-rust against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBigBillZhao%2Fxv6-rust" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/BigBillZhao/xv6-rust on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-2/source/.cargo/config.toml [INFO] removed /workspace/builds/worker-2/source/rust-toolchain.toml [INFO] started tweaking git repo https://github.com/BigBillZhao/xv6-rust [INFO] finished tweaking git repo https://github.com/BigBillZhao/xv6-rust [INFO] tweaked toml for git repo https://github.com/BigBillZhao/xv6-rust written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/BigBillZhao/xv6-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded bit_field v0.10.1 [INFO] [stderr] Downloaded array-macro v2.0.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d6a95a85385003cbd7c42dfe2ab6a6bdda165b61984d44a4798014c4ba2aa245 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "d6a95a85385003cbd7c42dfe2ab6a6bdda165b61984d44a4798014c4ba2aa245", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d6a95a85385003cbd7c42dfe2ab6a6bdda165b61984d44a4798014c4ba2aa245", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d6a95a85385003cbd7c42dfe2ab6a6bdda165b61984d44a4798014c4ba2aa245", kill_on_drop: false }` [INFO] [stdout] d6a95a85385003cbd7c42dfe2ab6a6bdda165b61984d44a4798014c4ba2aa245 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] dd3cc30d0ca15d071b5276e2690ddeda8d2201d7050191a9fc3359a41213a6c4 [INFO] running `Command { std: "docker" "start" "-a" "dd3cc30d0ca15d071b5276e2690ddeda8d2201d7050191a9fc3359a41213a6c4", kill_on_drop: false }` [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling spin v0.4.10 [INFO] [stderr] Compiling array-macro v2.0.0 [INFO] [stderr] Compiling xv6-rust-project v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hidden lifetime parameters in types are deprecated [INFO] [stdout] --> src/print.rs:48:18 [INFO] [stdout] | [INFO] [stdout] 48 | fn panic(_info: &PanicInfo) -> ! { [INFO] [stdout] | ^^^^^^^^^- help: indicate the anonymous lifetime: `<'_>` [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | #![warn(rust_2018_idioms)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(elided_lifetimes_in_paths)]` implied by `#[warn(rust_2018_idioms)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hidden lifetime parameters in types are deprecated [INFO] [stdout] --> src/memory/kalloc.rs:66:27 [INFO] [stdout] | [INFO] [stdout] 66 | pub fn lock(&self) -> spin::MutexGuard { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: indicate the anonymous lifetime: `spin::MutexGuard<'_, A>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/consts/vm.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/memory/pagetable.rs:36:18 [INFO] [stdout] | [INFO] [stdout] 36 | for i in (0..512) { [INFO] [stdout] | ^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ProcState` [INFO] [stdout] --> src/trap.rs:3:19 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::proc::{ProcState, my_proc_index, yield_proc, proc_list, cpu_id}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning[E0170]: pattern binding `RUNNING` is named the same as one of the variants of the type `ProcState` [INFO] [stdout] --> src/trap.rs:49:13 [INFO] [stdout] | [INFO] [stdout] 49 | RUNNING =>{ [INFO] [stdout] | ^^^^^^^ help: to match on the variant, qualify the path: `ProcState::RUNNING` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bindings_with_variant_name)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/trap.rs:52:13 [INFO] [stdout] | [INFO] [stdout] 49 | RUNNING =>{ [INFO] [stdout] | ------- matches any value [INFO] [stdout] ... [INFO] [stdout] 52 | _ => () [INFO] [stdout] | ^ unreachable pattern [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `nextpid` is never read [INFO] [stdout] --> src/proc/mod.rs:105:5 [INFO] [stdout] | [INFO] [stdout] 105 | nextpid += 1; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `scause` [INFO] [stdout] --> src/trap.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 35 | let scause = scause::read(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_scause` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `RUNNING` [INFO] [stdout] --> src/trap.rs:49:13 [INFO] [stdout] | [INFO] [stdout] 49 | RUNNING =>{ [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_RUNNING` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/register/mod.rs:109:9 [INFO] [stdout] | [INFO] [stdout] 107 | pub unsafe fn read() -> usize { [INFO] [stdout] | ----------------------------- because it's nested under this `unsafe` fn [INFO] [stdout] 108 | let ret: usize; [INFO] [stdout] 109 | unsafe {llvm_asm!("csrr $0, scause":"=r"(ret):::"volatile");} [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/memory/mod.rs:76:34 [INFO] [stdout] | [INFO] [stdout] 17 | pub unsafe fn kvminit() { [INFO] [stdout] | ----------------------- because it's nested under this `unsafe` fn [INFO] [stdout] ... [INFO] [stdout] 76 | let pa: Box = unsafe { Box::new_zeroed().assume_init() }; [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/memory/mod.rs:100:43 [INFO] [stdout] | [INFO] [stdout] 92 | unsafe fn walk_alloc(pagetable: &mut PageTable, va: VirtualAddr) -> * mut PTE { [INFO] [stdout] | ----------------------------------------------------------------------------- because it's nested under this `unsafe` fn [INFO] [stdout] ... [INFO] [stdout] 100 | let sub_pgt: Box = unsafe { Box::new_zeroed().assume_init() }; [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/memory/mod.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | / KERNEL_PAGETABLE.map_pages( [INFO] [stdout] 21 | | VirtualAddr::from(UART0), [INFO] [stdout] 22 | | PhysAddr::from(UART0), [INFO] [stdout] 23 | | PGSIZE, [INFO] [stdout] 24 | | PteFlag::R | PteFlag::W [INFO] [stdout] 25 | | ); [INFO] [stdout] | |______^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/memory/mod.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | / KERNEL_PAGETABLE.map_pages( [INFO] [stdout] 29 | | VirtualAddr::from(VIRTIO0), [INFO] [stdout] 30 | | PhysAddr::from(VIRTIO0), [INFO] [stdout] 31 | | PGSIZE, [INFO] [stdout] 32 | | PteFlag::R | PteFlag::W [INFO] [stdout] 33 | | ); [INFO] [stdout] | |______^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/memory/mod.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 36 | / KERNEL_PAGETABLE.map_pages( [INFO] [stdout] 37 | | VirtualAddr::from(PLIC), [INFO] [stdout] 38 | | PhysAddr::from(PLIC), [INFO] [stdout] 39 | | PLIC_SIZE, [INFO] [stdout] 40 | | PteFlag::R | PteFlag::W [INFO] [stdout] 41 | | ); [INFO] [stdout] | |______^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/memory/mod.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 48 | / KERNEL_PAGETABLE.map_pages( [INFO] [stdout] 49 | | VirtualAddr::from(KERNBASE), [INFO] [stdout] 50 | | PhysAddr::from(KERNBASE), [INFO] [stdout] 51 | | etext - KERNBASE, [INFO] [stdout] 52 | | PteFlag::R | PteFlag::X [INFO] [stdout] 53 | | ); [INFO] [stdout] | |______^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/memory/mod.rs:56:5 [INFO] [stdout] | [INFO] [stdout] 56 | / KERNEL_PAGETABLE.map_pages( [INFO] [stdout] 57 | | VirtualAddr::from(etext), [INFO] [stdout] 58 | | PhysAddr::from(etext), [INFO] [stdout] 59 | | PHYSTOP - etext, [INFO] [stdout] 60 | | PteFlag::R | PteFlag::W [INFO] [stdout] 61 | | ); [INFO] [stdout] | |______^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/memory/mod.rs:68:5 [INFO] [stdout] | [INFO] [stdout] 68 | / KERNEL_PAGETABLE.map_pages( [INFO] [stdout] 69 | | VirtualAddr::from(TRAMPOLINE), [INFO] [stdout] 70 | | PhysAddr::from(trampoline), [INFO] [stdout] 71 | | PGSIZE, [INFO] [stdout] 72 | | PteFlag::R | PteFlag::X [INFO] [stdout] 73 | | ); [INFO] [stdout] | |______^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/memory/mod.rs:77:9 [INFO] [stdout] | [INFO] [stdout] 77 | / KERNEL_PAGETABLE.map_pages( [INFO] [stdout] 78 | | VirtualAddr::from(KSTACK(i)), [INFO] [stdout] 79 | | PhysAddr::from(Box::into_raw(pa) as usize), [INFO] [stdout] 80 | | PGSIZE, [INFO] [stdout] 81 | | PteFlag::R | PteFlag::W [INFO] [stdout] 82 | | ); [INFO] [stdout] | |__________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `KSTACK` should have a snake case name [INFO] [stdout] --> src/memory/mod.rs:126:8 [INFO] [stdout] | [INFO] [stdout] 126 | pub fn KSTACK(p: usize) -> usize{ [INFO] [stdout] | ^^^^^^ help: convert the identifier to snake case: `kstack` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static variable `next_pid` should have an upper case name [INFO] [stdout] --> src/proc/mod.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 16 | static next_pid: Mutex = spin::Mutex::new(0); [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to upper case: `NEXT_PID` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static variable `proc_list` should have an upper case name [INFO] [stdout] --> src/proc/mod.rs:17:16 [INFO] [stdout] | [INFO] [stdout] 17 | pub static mut proc_list: [Proc; NPROC] = array![_ => Proc::new(); NPROC]; [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to upper case: `PROC_LIST` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static variable `cpu_list` should have an upper case name [INFO] [stdout] --> src/proc/mod.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 18 | static mut cpu_list: [Cpu; NCPU] = array![_ => Cpu::new(); NCPU]; [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to upper case: `CPU_LIST` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `RUNNING` should have a snake case name [INFO] [stdout] --> src/trap.rs:49:13 [INFO] [stdout] | [INFO] [stdout] 49 | RUNNING =>{ [INFO] [stdout] | ^^^^^^^ help: convert the identifier to snake case: `running` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: invalid instruction mnemonic 'mret' [INFO] [stdout] --> src/start.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 31 | llvm_asm!("mret"::::"volatile"); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] note: instantiated into assembly here [INFO] [stdout] --> :1:2 [INFO] [stdout] | [INFO] [stdout] 1 | mret [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 25 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0170`. [INFO] [stdout] [INFO] [stderr] error: could not compile `xv6-rust-project` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "dd3cc30d0ca15d071b5276e2690ddeda8d2201d7050191a9fc3359a41213a6c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dd3cc30d0ca15d071b5276e2690ddeda8d2201d7050191a9fc3359a41213a6c4", kill_on_drop: false }` [INFO] [stdout] dd3cc30d0ca15d071b5276e2690ddeda8d2201d7050191a9fc3359a41213a6c4