[INFO] cloning repository https://github.com/0xffset/OS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0xffset/OS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xffset%2FOS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xffset%2FOS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 38b4c0bedaf329845978493209e616e95915d5b4
[INFO] testing 0xffset/OS against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xffset%2FOS" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/0xffset/OS 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-5-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-5-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/0xffset/OS
[INFO] finished tweaking git repo https://github.com/0xffset/OS
[INFO] tweaked toml for git repo https://github.com/0xffset/OS written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/0xffset/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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: /workspace/builds/worker-5-tc1/source/internal_utils/Cargo.toml: the cargo feature `workspace-inheritance` has been stabilized in the 1.64 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/cargo/reference/unstable.html#workspace-inheritance for more information about using this feature.
[INFO] [stderr] warning: /workspace/builds/worker-5-tc1/source/kernel/Cargo.toml: the cargo feature `workspace-inheritance` has been stabilized in the 1.64 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/cargo/reference/unstable.html#workspace-inheritance for more information about using this feature.
[INFO] [stderr] warning: /workspace/builds/worker-5-tc1/source/drivers/vga/Cargo.toml: the cargo feature `workspace-inheritance` has been stabilized in the 1.64 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/cargo/reference/unstable.html#workspace-inheritance for more information about using this feature.
[INFO] [stderr] warning: /workspace/builds/worker-5-tc1/source/Cargo.toml: the cargo feature `workspace-inheritance` has been stabilized in the 1.64 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/cargo/reference/unstable.html#workspace-inheritance for more information about using this feature.
[INFO] [stderr] warning: /workspace/builds/worker-5-tc1/source/rost-lib/Cargo.toml: the cargo feature `workspace-inheritance` has been stabilized in the 1.64 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/cargo/reference/unstable.html#workspace-inheritance for more information about using this feature.
[INFO] [stderr] warning: /workspace/builds/worker-5-tc1/source/drivers/ata/Cargo.toml: the cargo feature `workspace-inheritance` has been stabilized in the 1.64 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/cargo/reference/unstable.html#workspace-inheritance for more information about using this feature.
[INFO] [stderr] warning: /workspace/builds/worker-5-tc1/source/test_framework/Cargo.toml: the cargo feature `workspace-inheritance` has been stabilized in the 1.64 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/cargo/reference/unstable.html#workspace-inheritance for more information about using this feature.
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bootloader-locator v0.0.4
[INFO] [stderr]   Downloaded pic8259 v0.10.2
[INFO] [stderr]   Downloaded locate-cargo-manifest v0.2.2
[INFO] [stderr]   Downloaded az v1.2.0
[INFO] [stderr]   Downloaded linked_list_allocator v0.9.1
[INFO] [stderr]   Downloaded volatile v0.4.5
[INFO] [stderr]   Downloaded runner-utils v0.0.2
[INFO] [stderr]   Downloaded pc-keyboard v0.5.1
[INFO] [stderr]   Downloaded uart_16550 v0.2.18
[INFO] [stderr]   Downloaded x86_64 v0.14.9
[INFO] [stderr]   Downloaded bootloader v0.10.12
[INFO] [stderr]   Downloaded noto-sans-mono-bitmap v0.1.5
[INFO] [stderr]   Downloaded tinytga v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 54fa08ac4acfeee58ca9028b22d7b625032c2dfb00e131803b8d4fcf857fd296
[INFO] running `Command { std: "docker" "start" "-a" "54fa08ac4acfeee58ca9028b22d7b625032c2dfb00e131803b8d4fcf857fd296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54fa08ac4acfeee58ca9028b22d7b625032c2dfb00e131803b8d4fcf857fd296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54fa08ac4acfeee58ca9028b22d7b625032c2dfb00e131803b8d4fcf857fd296", kill_on_drop: false }`
[INFO] [stdout] 54fa08ac4acfeee58ca9028b22d7b625032c2dfb00e131803b8d4fcf857fd296
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] dc3a5b2397409a828597beb5fa7d5123b603a3b9c1a260f716b3d6e3b9b8f787
[INFO] running `Command { std: "docker" "start" "-a" "dc3a5b2397409a828597beb5fa7d5123b603a3b9c1a260f716b3d6e3b9b8f787", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/test_framework/Cargo.toml: the cargo feature `workspace-inheritance` has been stabilized in the 1.64 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/cargo/reference/unstable.html#workspace-inheritance for more information about using this feature.
[INFO] [stderr] warning: /opt/rustwide/workdir/drivers/vga/Cargo.toml: the cargo feature `workspace-inheritance` has been stabilized in the 1.64 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/cargo/reference/unstable.html#workspace-inheritance for more information about using this feature.
[INFO] [stderr] warning: /opt/rustwide/workdir/internal_utils/Cargo.toml: the cargo feature `workspace-inheritance` has been stabilized in the 1.64 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/cargo/reference/unstable.html#workspace-inheritance for more information about using this feature.
[INFO] [stderr] warning: /opt/rustwide/workdir/rost-lib/Cargo.toml: the cargo feature `workspace-inheritance` has been stabilized in the 1.64 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/cargo/reference/unstable.html#workspace-inheritance for more information about using this feature.
[INFO] [stderr] warning: /opt/rustwide/workdir/Cargo.toml: the cargo feature `workspace-inheritance` has been stabilized in the 1.64 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/cargo/reference/unstable.html#workspace-inheritance for more information about using this feature.
[INFO] [stderr] warning: /opt/rustwide/workdir/kernel/Cargo.toml: the cargo feature `workspace-inheritance` has been stabilized in the 1.64 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/cargo/reference/unstable.html#workspace-inheritance for more information about using this feature.
[INFO] [stderr] warning: /opt/rustwide/workdir/drivers/ata/Cargo.toml: the cargo feature `workspace-inheritance` has been stabilized in the 1.64 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/cargo/reference/unstable.html#workspace-inheritance for more information about using this feature.
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling bit_field v0.10.1
[INFO] [stderr]    Compiling volatile v0.4.5
[INFO] [stderr]    Compiling bootloader v0.10.12
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling az v1.2.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling pc-keyboard v0.5.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bootloader-0.10.12/src/lib.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 69 | #![feature(maybe_uninit_slice)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bootloader` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "dc3a5b2397409a828597beb5fa7d5123b603a3b9c1a260f716b3d6e3b9b8f787", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc3a5b2397409a828597beb5fa7d5123b603a3b9c1a260f716b3d6e3b9b8f787", kill_on_drop: false }`
[INFO] [stdout] dc3a5b2397409a828597beb5fa7d5123b603a3b9c1a260f716b3d6e3b9b8f787
[INFO] testing 0xffset/OS against beta-2023-12-22 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xffset%2FOS" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/0xffset/OS on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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/0xffset/OS
[INFO] finished tweaking git repo https://github.com/0xffset/OS
[INFO] tweaked toml for git repo https://github.com/0xffset/OS written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/0xffset/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" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: /workspace/builds/worker-5-tc2/source/Cargo.toml: the cargo feature `workspace-inheritance` has been stabilized in the 1.64 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/beta/cargo/reference/unstable.html#workspace-inheritance for more information about using this feature.
[INFO] [stderr] warning: /workspace/builds/worker-5-tc2/source/rost-lib/Cargo.toml: the cargo feature `workspace-inheritance` has been stabilized in the 1.64 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/beta/cargo/reference/unstable.html#workspace-inheritance for more information about using this feature.
[INFO] [stderr] warning: /workspace/builds/worker-5-tc2/source/internal_utils/Cargo.toml: the cargo feature `workspace-inheritance` has been stabilized in the 1.64 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/beta/cargo/reference/unstable.html#workspace-inheritance for more information about using this feature.
[INFO] [stderr] warning: /workspace/builds/worker-5-tc2/source/kernel/Cargo.toml: the cargo feature `workspace-inheritance` has been stabilized in the 1.64 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/beta/cargo/reference/unstable.html#workspace-inheritance for more information about using this feature.
[INFO] [stderr] warning: /workspace/builds/worker-5-tc2/source/drivers/ata/Cargo.toml: the cargo feature `workspace-inheritance` has been stabilized in the 1.64 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/beta/cargo/reference/unstable.html#workspace-inheritance for more information about using this feature.
[INFO] [stderr] warning: /workspace/builds/worker-5-tc2/source/drivers/vga/Cargo.toml: the cargo feature `workspace-inheritance` has been stabilized in the 1.64 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/beta/cargo/reference/unstable.html#workspace-inheritance for more information about using this feature.
[INFO] [stderr] warning: /workspace/builds/worker-5-tc2/source/test_framework/Cargo.toml: the cargo feature `workspace-inheritance` has been stabilized in the 1.64 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/beta/cargo/reference/unstable.html#workspace-inheritance for more information about using this feature.
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e38d4039ddbf66d76ea83771822ca897e49226a8688d8b4d298f4f94c154a4cc
[INFO] running `Command { std: "docker" "start" "-a" "e38d4039ddbf66d76ea83771822ca897e49226a8688d8b4d298f4f94c154a4cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e38d4039ddbf66d76ea83771822ca897e49226a8688d8b4d298f4f94c154a4cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e38d4039ddbf66d76ea83771822ca897e49226a8688d8b4d298f4f94c154a4cc", kill_on_drop: false }`
[INFO] [stdout] e38d4039ddbf66d76ea83771822ca897e49226a8688d8b4d298f4f94c154a4cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc2700976dd104ef31bcc5592e7704e5fb370b7633eb71f55bf5f25b6f794e13
[INFO] running `Command { std: "docker" "start" "-a" "bc2700976dd104ef31bcc5592e7704e5fb370b7633eb71f55bf5f25b6f794e13", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/drivers/vga/Cargo.toml: the cargo feature `workspace-inheritance` has been stabilized in the 1.64 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/beta/cargo/reference/unstable.html#workspace-inheritance for more information about using this feature.
[INFO] [stderr] warning: /opt/rustwide/workdir/rost-lib/Cargo.toml: the cargo feature `workspace-inheritance` has been stabilized in the 1.64 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/beta/cargo/reference/unstable.html#workspace-inheritance for more information about using this feature.
[INFO] [stderr] warning: /opt/rustwide/workdir/drivers/ata/Cargo.toml: the cargo feature `workspace-inheritance` has been stabilized in the 1.64 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/beta/cargo/reference/unstable.html#workspace-inheritance for more information about using this feature.
[INFO] [stderr] warning: /opt/rustwide/workdir/Cargo.toml: the cargo feature `workspace-inheritance` has been stabilized in the 1.64 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/beta/cargo/reference/unstable.html#workspace-inheritance for more information about using this feature.
[INFO] [stderr] warning: /opt/rustwide/workdir/internal_utils/Cargo.toml: the cargo feature `workspace-inheritance` has been stabilized in the 1.64 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/beta/cargo/reference/unstable.html#workspace-inheritance for more information about using this feature.
[INFO] [stderr] warning: /opt/rustwide/workdir/kernel/Cargo.toml: the cargo feature `workspace-inheritance` has been stabilized in the 1.64 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/beta/cargo/reference/unstable.html#workspace-inheritance for more information about using this feature.
[INFO] [stderr] warning: /opt/rustwide/workdir/test_framework/Cargo.toml: the cargo feature `workspace-inheritance` has been stabilized in the 1.64 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/beta/cargo/reference/unstable.html#workspace-inheritance for more information about using this feature.
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling bit_field v0.10.1
[INFO] [stderr]    Compiling volatile v0.4.5
[INFO] [stderr]    Compiling bootloader v0.10.12
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling az v1.2.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling pc-keyboard v0.5.1
[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-6f17d22bba15001f/bootloader-0.10.12/src/lib.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 69 | #![feature(maybe_uninit_slice)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bootloader` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "bc2700976dd104ef31bcc5592e7704e5fb370b7633eb71f55bf5f25b6f794e13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc2700976dd104ef31bcc5592e7704e5fb370b7633eb71f55bf5f25b6f794e13", kill_on_drop: false }`
[INFO] [stdout] bc2700976dd104ef31bcc5592e7704e5fb370b7633eb71f55bf5f25b6f794e13
