[INFO] cloning repository https://github.com/tmforshaw/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/tmforshaw/Rust-OS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftmforshaw%2FRust-OS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftmforshaw%2FRust-OS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 808c039b7d2be8ce10eae755e8809d940f8a5e7a
[INFO] testing tmforshaw/Rust-OS against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftmforshaw%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] removed /workspace/builds/worker-3-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/tmforshaw/Rust-OS
[INFO] finished tweaking git repo https://github.com/tmforshaw/Rust-OS
[INFO] tweaked toml for git repo https://github.com/tmforshaw/Rust-OS written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tmforshaw/Rust-OS on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tmforshaw/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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "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 pc-keyboard v0.7.0
[INFO] [stderr]   Downloaded pic8259 v0.11.0
[INFO] [stderr]   Downloaded uart_16550 v0.3.2
[INFO] [stderr]   Downloaded conquer-util v0.3.0
[INFO] [stderr]   Downloaded volatile v0.2.7
[INFO] [stderr]   Downloaded bootloader v0.9.31
[INFO] [stderr]   Downloaded conquer-once v0.4.0
[INFO] [stderr]   Downloaded spinning_top v0.2.5
[INFO] [stderr]   Downloaded x86_64 v0.15.2
[INFO] [stderr]   Downloaded raw-cpuid v10.7.0
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8f1004b7e49b30e86f135bdbdf4eedbff255bebf7e74a8237dde996d3b4dae6
[INFO] running `Command { std: "docker" "start" "-a" "d8f1004b7e49b30e86f135bdbdf4eedbff255bebf7e74a8237dde996d3b4dae6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8f1004b7e49b30e86f135bdbdf4eedbff255bebf7e74a8237dde996d3b4dae6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8f1004b7e49b30e86f135bdbdf4eedbff255bebf7e74a8237dde996d3b4dae6", kill_on_drop: false }`
[INFO] [stdout] d8f1004b7e49b30e86f135bdbdf4eedbff255bebf7e74a8237dde996d3b4dae6
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5969086fa91fc92bfef2226bbd94ac73ba2dc3eba22fe1643dede60e3d23fae
[INFO] running `Command { std: "docker" "start" "-a" "f5969086fa91fc92bfef2226bbd94ac73ba2dc3eba22fe1643dede60e3d23fae", kill_on_drop: false }`
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling rustversion v1.0.20
[INFO] [stderr]    Compiling bit_field v0.10.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling x86 v0.52.0
[INFO] [stderr]    Compiling bootloader v0.9.31
[INFO] [stderr]    Compiling volatile v0.4.6
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling conquer-util v0.3.0
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling pc-keyboard v0.7.0
[INFO] [stderr]    Compiling raw-cpuid v10.7.0
[INFO] [stderr]    Compiling volatile v0.2.7
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling conquer-once v0.4.0
[INFO] [stderr]    Compiling spinning_top v0.2.5
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling linked_list_allocator v0.10.5
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling x86_64 v0.15.2
[INFO] [stderr]    Compiling uart_16550 v0.3.2
[INFO] [stderr]    Compiling pic8259 v0.11.0
[INFO] [stderr]    Compiling operating_system v0.1.0 (/opt/rustwide/workdir)
[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]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[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:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![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 import: `Write`
[INFO] [stdout]  --> src/serial.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::fmt::{self, Write};
[INFO] [stdout]   |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/allocator.rs:75:17
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn lock(&self) -> spin::MutexGuard<A> {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 75 |     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:20:59
[INFO] [stdout]    |
[INFO] [stdout] 20 |             let stack_start = VirtAddr::from_ptr(unsafe { &STACK });
[INFO] [stdout]    |                                                           ^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[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: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] help: use `&raw const` instead to create a raw pointer
[INFO] [stdout]    |
[INFO] [stdout] 20 |             let stack_start = VirtAddr::from_ptr(unsafe { &raw const STACK });
[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 `operating_system` (bin "operating_system") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "f5969086fa91fc92bfef2226bbd94ac73ba2dc3eba22fe1643dede60e3d23fae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5969086fa91fc92bfef2226bbd94ac73ba2dc3eba22fe1643dede60e3d23fae", kill_on_drop: false }`
[INFO] [stdout] f5969086fa91fc92bfef2226bbd94ac73ba2dc3eba22fe1643dede60e3d23fae
