[INFO] cloning repository https://github.com/iFeyz/my-os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iFeyz/my-os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiFeyz%2Fmy-os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiFeyz%2Fmy-os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9d9db528a44da1d4c260d6262c1d93fb62c168fc
[INFO] checking iFeyz/my-os against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiFeyz%2Fmy-os" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-2-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/iFeyz/my-os
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/iFeyz/my-os
[INFO] tweaked toml for git repo https://github.com/iFeyz/my-os written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/iFeyz/my-os on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/iFeyz/my-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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: unstable
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pc-keyboard v0.7.0
[INFO] [stderr]   Downloaded volatile v0.4.6
[INFO] [stderr]   Downloaded volatile v0.2.7
[INFO] [stderr]   Downloaded uart_16550 v0.2.19
[INFO] [stderr]   Downloaded bootloader v0.9.29
[INFO] [stderr]   Downloaded pic8259 v0.10.4
[INFO] [stderr]   Downloaded x86_64 v0.14.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1cd7e6e6526f8fce65c00849ce0c1ab8d99fbd8476e8115e36f666ee16c35588
[INFO] running `Command { std: "docker" "start" "-a" "1cd7e6e6526f8fce65c00849ce0c1ab8d99fbd8476e8115e36f666ee16c35588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cd7e6e6526f8fce65c00849ce0c1ab8d99fbd8476e8115e36f666ee16c35588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cd7e6e6526f8fce65c00849ce0c1ab8d99fbd8476e8115e36f666ee16c35588", kill_on_drop: false }`
[INFO] [stdout] 1cd7e6e6526f8fce65c00849ce0c1ab8d99fbd8476e8115e36f666ee16c35588
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e2341db4034f517fdcfe440c2c2c2cd7bbcc7f23c68b15c256cf8d9ae25accb
[INFO] running `Command { std: "docker" "start" "-a" "2e2341db4034f517fdcfe440c2c2c2cd7bbcc7f23c68b15c256cf8d9ae25accb", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: unstable
[INFO] [stderr]    Compiling rustversion v1.0.19
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]     Checking bit_field v0.10.2
[INFO] [stderr]     Checking volatile v0.4.6
[INFO] [stderr]    Compiling bootloader v0.9.29
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking pc-keyboard v0.7.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking volatile v0.2.7
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking x86_64 v0.14.13
[INFO] [stderr]     Checking pic8259 v0.10.4
[INFO] [stderr]     Checking uart_16550 v0.2.19
[INFO] [stderr]     Checking blog_os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: invalid signature for `extern "x86-interrupt"` function
[INFO] [stdout]   --> src/interrupts.rs:91:105
[INFO] [stdout]    |
[INFO] [stdout] 91 | extern "x86-interrupt" fn double_fault_handler(stack_frame : InterruptStackFrame , _error_code: u64) -> ! {
[INFO] [stdout]    |                                                                                                         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: functions with the "custom" ABI cannot have a return type
[INFO] [stdout] help: remove the return type
[INFO] [stdout]   --> src/interrupts.rs:91:105
[INFO] [stdout]    |
[INFO] [stdout] 91 | extern "x86-interrupt" fn double_fault_handler(stack_frame : InterruptStackFrame , _error_code: u64) -> ! {
[INFO] [stdout]    |                                                                                                         ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::serial_println`
[INFO] [stdout]  --> src/interrupts.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::serial_println;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::arch::asm`
[INFO] [stdout]  --> src/interrupts.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use core::arch::asm;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BUFFER_HEIGHT` and `WRITER`
[INFO] [stdout]   --> src/lib.rs:15:25
[INFO] [stdout]    |
[INFO] [stdout] 15 | use crate::vga_buffer::{WRITER, BUFFER_HEIGHT};
[INFO] [stdout]    |                         ^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid signature for `extern "x86-interrupt"` function
[INFO] [stdout]   --> src/interrupts.rs:91:105
[INFO] [stdout]    |
[INFO] [stdout] 91 | extern "x86-interrupt" fn double_fault_handler(stack_frame : InterruptStackFrame , _error_code: u64) -> ! {
[INFO] [stdout]    |                                                                                                         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: functions with the "custom" ABI cannot have a return type
[INFO] [stdout] help: remove the return type
[INFO] [stdout]   --> src/interrupts.rs:91:105
[INFO] [stdout]    |
[INFO] [stdout] 91 | extern "x86-interrupt" fn double_fault_handler(stack_frame : InterruptStackFrame , _error_code: u64) -> ! {
[INFO] [stdout]    |                                                                                                         ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/interrupts.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(asm_const)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[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: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/interrupts.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(asm_const)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stack_frame`
[INFO] [stdout]   --> src/interrupts.rs:47:51
[INFO] [stdout]    |
[INFO] [stdout] 47 | extern "x86-interrupt" fn timer_interrupt_handler(stack_frame : InterruptStackFrame) {
[INFO] [stdout]    |                                                   ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stack_frame`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stack_frame`
[INFO] [stdout]   --> src/interrupts.rs:47:51
[INFO] [stdout]    |
[INFO] [stdout] 47 | extern "x86-interrupt" fn timer_interrupt_handler(stack_frame : InterruptStackFrame) {
[INFO] [stdout]    |                                                   ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stack_frame`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `blog_os` (lib test) due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `blog_os` (lib) due to 1 previous error; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "2e2341db4034f517fdcfe440c2c2c2cd7bbcc7f23c68b15c256cf8d9ae25accb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e2341db4034f517fdcfe440c2c2c2cd7bbcc7f23c68b15c256cf8d9ae25accb", kill_on_drop: false }`
[INFO] [stdout] 2e2341db4034f517fdcfe440c2c2c2cd7bbcc7f23c68b15c256cf8d9ae25accb