[INFO] cloning repository https://github.com/Neelein/rust_OS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Neelein/rust_OS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNeelein%2Frust_OS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNeelein%2Frust_OS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9e6f83f9677f994693fda389cbc330e058a67623
[INFO] testing Neelein/rust_OS against 1.94.0 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNeelein%2Frust_OS" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Neelein/rust_OS
[INFO] finished tweaking git repo https://github.com/Neelein/rust_OS
[INFO] tweaked toml for git repo https://github.com/Neelein/rust_OS written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Neelein/rust_OS on toolchain 1.94.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.94.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Neelein/rust_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" "+1.94.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: build
[INFO] [stderr] help: build is a valid .cargo/config.toml key
[INFO] [stderr] warning: unused manifest key: unstable
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fastrand v2.0.2
[INFO] [stderr]   Downloaded thiserror v1.0.58
[INFO] [stderr]   Downloaded llvm-tools v0.1.1
[INFO] [stderr]   Downloaded serde-big-array v0.4.1
[INFO] [stderr]   Downloaded thiserror-impl v1.0.58
[INFO] [stderr]   Downloaded event-listener-strategy v0.4.0
[INFO] [stderr]   Downloaded event-listener-strategy v0.5.0
[INFO] [stderr]   Downloaded bootloader-boot-config v0.11.7
[INFO] [stderr]   Downloaded mbrman v0.5.2
[INFO] [stderr]   Downloaded blocking v1.5.1
[INFO] [stderr]   Downloaded concurrent-queue v2.4.0
[INFO] [stderr]   Downloaded bootloader v0.11.7
[INFO] [stderr] error: failed to parse manifest at `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bootloader-0.11.7/Cargo.toml`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   the cargo feature `profile-rustflags` requires a nightly version of Cargo, but this is the `stable` channel
[INFO] [stderr]   See https://doc.rust-lang.org/book/appendix-07-nightly-rust.html for more information about Rust release channels.
[INFO] [stderr]   See https://doc.rust-lang.org/cargo/reference/unstable.html#profile-rustflags-option for more information about using this feature.


command failed: exit status: 101

warning: unused manifest key: build
help: build is a valid .cargo/config.toml key
warning: unused manifest key: unstable
    Updating crates.io index
 Downloading crates ...
  Downloaded fastrand v2.0.2
  Downloaded thiserror v1.0.58
  Downloaded llvm-tools v0.1.1
  Downloaded serde-big-array v0.4.1
  Downloaded thiserror-impl v1.0.58
  Downloaded event-listener-strategy v0.4.0
  Downloaded event-listener-strategy v0.5.0
  Downloaded bootloader-boot-config v0.11.7
  Downloaded mbrman v0.5.2
  Downloaded blocking v1.5.1
  Downloaded concurrent-queue v2.4.0
  Downloaded bootloader v0.11.7
error: failed to parse manifest at `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bootloader-0.11.7/Cargo.toml`

Caused by:
  the cargo feature `profile-rustflags` requires a nightly version of Cargo, but this is the `stable` channel
  See https://doc.rust-lang.org/book/appendix-07-nightly-rust.html for more information about Rust release channels.
  See https://doc.rust-lang.org/cargo/reference/unstable.html#profile-rustflags-option for more information about using this feature.