[INFO] cloning repository https://github.com/0AC0/krt2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0AC0/krt2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0AC0%2Fkrt2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0AC0%2Fkrt2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 82a545efc5c7eaaa24e7a5a3dbdc3c8de689ffe6
[INFO] testing 0AC0/krt2 against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0AC0%2Fkrt2" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/0AC0/krt2 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/0AC0/krt2
[INFO] finished tweaking git repo https://github.com/0AC0/krt2
[INFO] tweaked toml for git repo https://github.com/0AC0/krt2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/0AC0/krt2 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded riscv v0.10.1
[INFO] [stderr]   Downloaded uart_16550 v0.2.18
[INFO] [stderr]   Downloaded fdt v0.1.5
[INFO] [stderr]   Downloaded volatile v0.4.6
[INFO] [stderr]   Downloaded riscv-rt-macros v0.2.0
[INFO] [stderr]   Downloaded r0 v1.0.0
[INFO] [stderr]   Downloaded riscv-rt v0.11.0
[INFO] [stderr]   Downloaded tinybmp v0.5.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9fec5ecff28b8adc067be27dea6fd036c3ca760a3775f6e8743af3b64569cd9a
[INFO] running `Command { std: "docker" "start" "-a" "9fec5ecff28b8adc067be27dea6fd036c3ca760a3775f6e8743af3b64569cd9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fec5ecff28b8adc067be27dea6fd036c3ca760a3775f6e8743af3b64569cd9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fec5ecff28b8adc067be27dea6fd036c3ca760a3775f6e8743af3b64569cd9a", kill_on_drop: false }`
[INFO] [stdout] 9fec5ecff28b8adc067be27dea6fd036c3ca760a3775f6e8743af3b64569cd9a
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f89381ad4c8d22a049a989012824266e2b4f5320c7b9794ee2b682ff37e68633
[INFO] running `Command { std: "docker" "start" "-a" "f89381ad4c8d22a049a989012824266e2b4f5320c7b9794ee2b682ff37e68633", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling regex-syntax v0.7.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bit_field v0.10.2
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling rustversion v1.0.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling riscv v0.10.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling micromath v2.0.0
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling volatile v0.4.6
[INFO] [stderr]    Compiling critical-section v1.1.1
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling krt2 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling r0 v1.0.0
[INFO] [stderr]    Compiling fdt v0.1.5
[INFO] [stderr]    Compiling aho-corasick v1.0.2
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling x86_64 v0.14.10
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling embedded-graphics-core v0.4.0
[INFO] [stderr]    Compiling regex v1.8.4
[INFO] [stderr]    Compiling uart_16550 v0.2.18
[INFO] [stderr]    Compiling embedded-graphics v0.8.0
[INFO] [stderr]    Compiling riscv-target v0.1.2
[INFO] [stderr]    Compiling riscv-rt v0.11.0
[INFO] [stderr]    Compiling tinybmp v0.5.0
[INFO] [stderr]    Compiling riscv-rt-macros v0.2.0
[INFO] [stdout] warning: unused import: `bitmap_heap::BitmapAllocator`
[INFO] [stdout]  --> src/main.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::{bitmap_heap::BitmapAllocator, graphics::Pixel};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::serial_println`
[INFO] [stdout]  --> src/virtio.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::serial_println;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::panic`
[INFO] [stdout]   --> src/virtio.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use core::panic;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AvailableRing`, `Queue`
[INFO] [stdout]  --> src/graphics.rs:6:28
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::virtio::queue::{Queue, Descriptor, AvailableRing, QUEUE_SIZE};
[INFO] [stdout]   |                            ^^^^^              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(panic_info_message)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(atomic_from_mut)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this can occur when a binary crate with `#![no_std]` is compiled for a target where `eh_personality` is defined in the standard library
[INFO] [stdout]   = help: you may be able to compile for a target that doesn't need `eh_personality`, specify a target with `--target` or in `.cargo/config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `krt2` (bin "krt2") due to 4 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "f89381ad4c8d22a049a989012824266e2b4f5320c7b9794ee2b682ff37e68633", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f89381ad4c8d22a049a989012824266e2b4f5320c7b9794ee2b682ff37e68633", kill_on_drop: false }`
[INFO] [stdout] f89381ad4c8d22a049a989012824266e2b4f5320c7b9794ee2b682ff37e68633
