[INFO] cloning repository https://github.com/provrb/os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/provrb/os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprovrb%2Fos", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprovrb%2Fos'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f49b5e38fb8bb5669f83f00bbda2c89ab2c891fa
[INFO] checking provrb/os against try#a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399 for pr-145770
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprovrb%2Fos" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/provrb/os
[INFO] finished tweaking git repo https://github.com/provrb/os
[INFO] tweaked toml for git repo https://github.com/provrb/os written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/provrb/os on toolchain a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/provrb/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" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dda180f7053d30f4927f3f7c56a912ee851f7ade94d428bc53a62de2a690bf74
[INFO] running `Command { std: "docker" "start" "-a" "dda180f7053d30f4927f3f7c56a912ee851f7ade94d428bc53a62de2a690bf74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dda180f7053d30f4927f3f7c56a912ee851f7ade94d428bc53a62de2a690bf74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dda180f7053d30f4927f3f7c56a912ee851f7ade94d428bc53a62de2a690bf74", kill_on_drop: false }`
[INFO] [stdout] dda180f7053d30f4927f3f7c56a912ee851f7ade94d428bc53a62de2a690bf74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52747bd0c71d85acc017dcd603f196045905e47cdc4abb5eff342bb6606547da
[INFO] running `Command { std: "docker" "start" "-a" "52747bd0c71d85acc017dcd603f196045905e47cdc4abb5eff342bb6606547da", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustversion v1.0.19
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling bootloader v0.9.30
[INFO] [stderr]     Checking bit_field v0.10.2
[INFO] [stderr]     Checking bitflags v2.8.0
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking volatile v0.4.6
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking volatile v0.2.7
[INFO] [stderr]     Checking pc-keyboard v0.7.0
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking x86_64 v0.14.13
[INFO] [stderr]     Checking x86_64 v0.15.2
[INFO] [stderr]     Checking spinning_top v0.2.5
[INFO] [stderr]     Checking linked_list_allocator v0.9.1
[INFO] [stderr]     Checking pic8259 v0.10.4
[INFO] [stderr]     Checking os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: invalid signature for `extern "x86-interrupt"` function
[INFO] [stdout]    --> src/interrupts.rs:104:6
[INFO] [stdout]     |
[INFO] [stdout] 104 | ) -> ! {
[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:104:6
[INFO] [stdout]     |
[INFO] [stdout] 104 | ) -> ! {
[INFO] [stdout]     |      ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `global_asm`
[INFO] [stdout]  --> src/gdt.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::arch::{asm, global_asm};
[INFO] [stdout]   |                       ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CS` and `Segment`
[INFO] [stdout]   --> src/gdt.rs:65:46
[INFO] [stdout]    |
[INFO] [stdout] 65 |     use x86_64::instructions::segmentation::{Segment, CS};
[INFO] [stdout]    |                                              ^^^^^^^  ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `x86_64::registers::rflags::RFlags`
[INFO] [stdout]   --> src/gdt.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 | use x86_64::registers::rflags::RFlags;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::mem::USER_ENTRY`
[INFO] [stdout]   --> src/gdt.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 | use crate::mem::USER_ENTRY;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `gdt`
[INFO] [stdout]   --> src/gdt.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 | use crate::{gdt, println};
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MapperFlush`
[INFO] [stdout]  --> src/mem.rs:5:30
[INFO] [stdout]   |
[INFO] [stdout] 5 |         mapper::{MapToError, MapperFlush},
[INFO] [stdout]   |                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `x86_64::structures::paging::mapper::MapToError`
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use x86_64::structures::paging::mapper::MapToError;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Size4KiB`
[INFO] [stdout]   --> src/main.rs:19:80
[INFO] [stdout]    |
[INFO] [stdout] 19 | use x86_64::structures::paging::{FrameAllocator, Mapper, Page, PageTableFlags, Size4KiB, Translate};
[INFO] [stdout]    |                                                                                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `time::DateTime`
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use time::DateTime;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ColorDesc` and `set_print_color`
[INFO] [stdout]   --> src/main.rs:23:18
[INFO] [stdout]    |
[INFO] [stdout] 23 | use vga_buffer::{set_print_color, ColorDesc};
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PrivilegeLevel`
[INFO] [stdout]   --> src/main.rs:24:14
[INFO] [stdout]    |
[INFO] [stdout] 24 | use x86_64::{PrivilegeLevel, VirtAddr};
[INFO] [stdout]    |              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid signature for `extern "x86-interrupt"` function
[INFO] [stdout]    --> src/interrupts.rs:104:6
[INFO] [stdout]     |
[INFO] [stdout] 104 | ) -> ! {
[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:104:6
[INFO] [stdout]     |
[INFO] [stdout] 104 | ) -> ! {
[INFO] [stdout]     |      ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `os` (bin "os" test) due to 2 previous errors; 11 warnings emitted
[INFO] [stdout] warning: unused import: `global_asm`
[INFO] [stdout]  --> src/gdt.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::arch::{asm, global_asm};
[INFO] [stdout]   |                       ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused imports: `CS` and `Segment`
[INFO] [stdout]   --> src/gdt.rs:65:46
[INFO] [stdout]    |
[INFO] [stdout] 65 |     use x86_64::instructions::segmentation::{Segment, CS};
[INFO] [stdout]    |                                              ^^^^^^^  ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: formatting may not be suitable for sub-register argument
[INFO] [stdout]    --> src/gdt.rs:93:19
[INFO] [stdout]     |
[INFO] [stdout] 93  |             "push {1}",          // Push User Data Segment
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |             in(reg) user_ds,  // Load User Data Segment dynamically
[INFO] [stdout]     |                     ------- for this argument
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `{1:x}` to have the register formatted as `ax` (for 16-bit values)
[INFO] [stdout]     = help: or use `{1:r}` to keep the default formatting of `rax` (for 64-bit values)
[INFO] [stdout]     = note: `#[warn(asm_sub_register)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: formatting may not be suitable for sub-register argument
[INFO] [stdout]    --> src/gdt.rs:96:19
[INFO] [stdout]     |
[INFO] [stdout] 96  |             "push {2}",          // Push User Code Segment
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 101 |             in(reg) user_cs,  // Load User Code Segment dynamically
[INFO] [stdout]     |                     ------- for this argument
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `{2:x}` to have the register formatted as `ax` (for 16-bit values)
[INFO] [stdout]     = help: or use `{2:r}` to keep the default formatting of `rax` (for 64-bit values)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `x86_64::registers::rflags::RFlags`
[INFO] [stdout]   --> src/gdt.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 | use x86_64::registers::rflags::RFlags;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::mem::USER_ENTRY`
[INFO] [stdout]   --> src/gdt.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 | use crate::mem::USER_ENTRY;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `gdt`
[INFO] [stdout]   --> src/gdt.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 | use crate::{gdt, println};
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MapperFlush`
[INFO] [stdout]  --> src/mem.rs:5:30
[INFO] [stdout]   |
[INFO] [stdout] 5 |         mapper::{MapToError, MapperFlush},
[INFO] [stdout]   |                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `x86_64::structures::paging::mapper::MapToError`
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use x86_64::structures::paging::mapper::MapToError;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Size4KiB`
[INFO] [stdout]   --> src/main.rs:19:80
[INFO] [stdout]    |
[INFO] [stdout] 19 | use x86_64::structures::paging::{FrameAllocator, Mapper, Page, PageTableFlags, Size4KiB, Translate};
[INFO] [stdout]    |                                                                                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `time::DateTime`
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use time::DateTime;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ColorDesc` and `set_print_color`
[INFO] [stdout]   --> src/main.rs:23:18
[INFO] [stdout]    |
[INFO] [stdout] 23 | use vga_buffer::{set_print_color, ColorDesc};
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PrivilegeLevel`
[INFO] [stdout]   --> src/main.rs:24:14
[INFO] [stdout]    |
[INFO] [stdout] 24 | use x86_64::{PrivilegeLevel, VirtAddr};
[INFO] [stdout]    |              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/main.rs:74:1
[INFO] [stdout]    |
[INFO] [stdout] 74 | / fn panic(info: &PanicInfo) -> ! {
[INFO] [stdout] 75 | |     println!("panic! {info}");
[INFO] [stdout] 76 | |
[INFO] [stdout] 77 | |     loop {
[INFO] [stdout] ...  |
[INFO] [stdout] 80 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the lang item is first defined in crate `std` (which `test` depends on)
[INFO] [stdout]    = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-54e42b35ab65fe3c.rlib
[INFO] [stdout]    = note: second definition in the local crate (`os`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |       gdt::enter_user_mode();
[INFO] [stdout]    |       ---------------------- any code following this expression is unreachable
[INFO] [stdout] 67 |
[INFO] [stdout] 68 | /     loop {
[INFO] [stdout] 69 | |         x86_64::instructions::hlt();
[INFO] [stdout] 70 | |     }
[INFO] [stdout]    | |_____^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `os` (bin "os") due to 1 previous error; 14 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "52747bd0c71d85acc017dcd603f196045905e47cdc4abb5eff342bb6606547da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52747bd0c71d85acc017dcd603f196045905e47cdc4abb5eff342bb6606547da", kill_on_drop: false }`
[INFO] [stdout] 52747bd0c71d85acc017dcd603f196045905e47cdc4abb5eff342bb6606547da
