[INFO] cloning repository https://github.com/PrismaOS/PrismaOS [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PrismaOS/PrismaOS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPrismaOS%2FPrismaOS", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPrismaOS%2FPrismaOS'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d72556d6d7fbea5f4a9d0c3a52ddeb6e882b850a [INFO] testing PrismaOS/PrismaOS against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_getrandom_patch_1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPrismaOS%2FPrismaOS" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config.toml [INFO] removed /workspace/builds/worker-6-tc1/source/rust-toolchain [INFO] started tweaking git repo https://github.com/PrismaOS/PrismaOS [INFO] removed 0 missing tests [INFO] finished tweaking git repo https://github.com/PrismaOS/PrismaOS [INFO] tweaked toml for git repo https://github.com/PrismaOS/PrismaOS written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/PrismaOS/PrismaOS on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/PrismaOS/PrismaOS 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pic8259 v0.10.1 [INFO] [stderr] Downloaded embedded-graphics-core v0.4.0 [INFO] [stderr] Downloaded spinning_top v0.2.5 [INFO] [stderr] Downloaded uart_16550 v0.2.14 [INFO] [stderr] Downloaded embedded-graphics v0.8.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7500648a2fc3a90ce4cb1ac96dcc4a7171c8fca665f54f5c9733169cb60347c5 [INFO] running `Command { std: "docker" "start" "-a" "7500648a2fc3a90ce4cb1ac96dcc4a7171c8fca665f54f5c9733169cb60347c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7500648a2fc3a90ce4cb1ac96dcc4a7171c8fca665f54f5c9733169cb60347c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7500648a2fc3a90ce4cb1ac96dcc4a7171c8fca665f54f5c9733169cb60347c5", kill_on_drop: false }` [INFO] [stdout] 7500648a2fc3a90ce4cb1ac96dcc4a7171c8fca665f54f5c9733169cb60347c5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] f235713c0a62ea9dba6ecf1723bb7e285760c3ab091fa5edf8a05ccf15c03bb7 [INFO] running `Command { std: "docker" "start" "-a" "f235713c0a62ea9dba6ecf1723bb7e285760c3ab091fa5edf8a05ccf15c03bb7", kill_on_drop: false }` [INFO] [stderr] Compiling x86_64 v0.14.7 [INFO] [stderr] Compiling az v1.2.1 [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Compiling futures-core v0.3.15 [INFO] [stderr] Compiling futures-task v0.3.15 [INFO] [stderr] Compiling volatile v0.4.4 [INFO] [stderr] Compiling bit_field v0.10.1 [INFO] [stderr] Compiling futures-util v0.3.15 [INFO] [stderr] Compiling bootloader v0.9.29 [INFO] [stderr] Compiling hash32 v0.2.1 [INFO] [stderr] Compiling micromath v2.1.0 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Compiling conquer-util v0.2.0 [INFO] [stderr] Compiling float-cmp v0.9.0 [INFO] [stderr] Compiling heapless v0.7.17 [INFO] [stderr] Compiling pin-project-lite v0.2.6 [INFO] [stderr] Compiling conquer-once v0.2.1 [INFO] [stderr] Compiling volatile v0.2.7 [INFO] [stderr] Compiling pc-keyboard v0.7.0 [INFO] [stderr] Compiling spin v0.9.8 [INFO] [stderr] Compiling spinning_top v0.2.5 [INFO] [stderr] Compiling linked_list_allocator v0.10.5 [INFO] [stderr] Compiling crossbeam-queue v0.3.11 [INFO] [stderr] Compiling pic8259 v0.10.1 [INFO] [stderr] Compiling uart_16550 v0.2.14 [INFO] [stderr] Compiling embedded-graphics-core v0.4.0 [INFO] [stderr] Compiling embedded-graphics v0.8.1 [INFO] [stderr] Compiling prisma_os v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `gdt` and `hlt_loop` [INFO] [stdout] --> src/task/keyboard.rs:1:13 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::{gdt, hlt_loop, print, vga_println as println}; [INFO] [stdout] | ^^^ ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `print` and `vga_println as println` [INFO] [stdout] --> src/vga_buffer.rs:2:13 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::{print, vga_println as println}; [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^ [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:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | #![feature(const_mut_refs)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/allocator.rs:72:17 [INFO] [stdout] | [INFO] [stdout] 72 | pub fn lock(&self) -> spin::MutexGuard { [INFO] [stdout] | ^^^^^ ------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 72 | pub fn lock(&self) -> spin::MutexGuard<'_, A> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/gdt.rs:15:59 [INFO] [stdout] | [INFO] [stdout] 15 | 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] 15 | let stack_start = VirtAddr::from_ptr(unsafe { &raw const STACK }); [INFO] [stdout] | +++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::fmt` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use core::fmt; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `volatile::Volatile` [INFO] [stdout] --> src/main.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | use volatile::Volatile; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `print` and `vga_println as println` [INFO] [stdout] --> src/vga_buffer.rs:2:13 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::{print, vga_println as println}; [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] [stderr] error: could not compile `prisma_os` (bin "prisma_os") due to 1 previous error; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "f235713c0a62ea9dba6ecf1723bb7e285760c3ab091fa5edf8a05ccf15c03bb7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f235713c0a62ea9dba6ecf1723bb7e285760c3ab091fa5edf8a05ccf15c03bb7", kill_on_drop: false }` [INFO] [stdout] f235713c0a62ea9dba6ecf1723bb7e285760c3ab091fa5edf8a05ccf15c03bb7