[INFO] cloning repository https://github.com/kpanuragh/0xOS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kpanuragh/0xOS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkpanuragh%2F0xOS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkpanuragh%2F0xOS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 21b52f0e44fc8b871b1b16c62c8c9c277aaaba62
[INFO] testing kpanuragh/0xOS against 1.99.0-beta.1+cargoflags=--release for beta-release-1.99-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkpanuragh%2F0xOS" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/kpanuragh/0xOS
[INFO] finished tweaking git repo https://github.com/kpanuragh/0xOS
[INFO] tweaked toml for git repo https://github.com/kpanuragh/0xOS written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kpanuragh/0xOS on toolchain 1.99.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kpanuragh/0xOS 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" "+1.99.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 8f68af0fd3b4b13c55696371633ddd9fb2b5471259a1f8311c3bb816903f1811
[INFO] running `Command { std: "docker" "start" "8f68af0fd3b4b13c55696371633ddd9fb2b5471259a1f8311c3bb816903f1811", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f68af0fd3b4b13c55696371633ddd9fb2b5471259a1f8311c3bb816903f1811", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8f68af0fd3b4b13c55696371633ddd9fb2b5471259a1f8311c3bb816903f1811" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f68af0fd3b4b13c55696371633ddd9fb2b5471259a1f8311c3bb816903f1811", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8f68af0fd3b4b13c55696371633ddd9fb2b5471259a1f8311c3bb816903f1811" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling const_fn v0.4.12
[INFO] [stderr]    Compiling rustversion v1.0.23
[INFO] [stderr]    Compiling bitflags v2.13.1
[INFO] [stderr]    Compiling spin v0.9.9
[INFO] [stderr]    Compiling kernel v0.1.0 (/opt/rustwide/workdir/kernel)
[INFO] [stderr]    Compiling bit_field v0.10.3
[INFO] [stderr]    Compiling volatile v0.4.6
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling buddy v0.1.0 (/opt/rustwide/workdir/crates/buddy)
[INFO] [stderr]    Compiling handle v0.1.0 (/opt/rustwide/workdir/crates/handle)
[INFO] [stderr]    Compiling executor v0.1.0 (/opt/rustwide/workdir/crates/executor)
[INFO] [stderr]    Compiling gfx v0.1.0 (/opt/rustwide/workdir/crates/gfx)
[INFO] [stderr]    Compiling elf v0.1.0 (/opt/rustwide/workdir/crates/elf)
[INFO] [stderr]    Compiling ring v0.1.0 (/opt/rustwide/workdir/crates/ring)
[INFO] [stderr]    Compiling spinning_top v0.2.5
[INFO] [stderr]    Compiling limine v0.5.0
[INFO] [stderr]    Compiling timer v0.1.0 (/opt/rustwide/workdir/crates/timer)
[INFO] [stderr]    Compiling input v0.1.0 (/opt/rustwide/workdir/crates/input)
[INFO] [stderr]    Compiling linked_list_allocator v0.10.6
[INFO] [stderr]    Compiling x86_64 v0.15.5
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/x86_64-0.15.5/src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     feature(abi_x86_interrupt)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `x86_64` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "8f68af0fd3b4b13c55696371633ddd9fb2b5471259a1f8311c3bb816903f1811", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f68af0fd3b4b13c55696371633ddd9fb2b5471259a1f8311c3bb816903f1811", kill_on_drop: false }`
[INFO] [stdout] 8f68af0fd3b4b13c55696371633ddd9fb2b5471259a1f8311c3bb816903f1811
