[INFO] fetching crate sparreal-rt 0.9.6...
[INFO] testing sparreal-rt-0.9.6 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate sparreal-rt 0.9.6 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate sparreal-rt 0.9.6
[INFO] finished tweaking crates.io crate sparreal-rt 0.9.6
[INFO] tweaked toml for crates.io crate sparreal-rt 0.9.6 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sparreal-rt 0.9.6 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sparreal-rt 0.9.6 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rdif-base v0.6.0
[INFO] [stderr]   Downloaded abi-singleton v0.3.0
[INFO] [stderr]   Downloaded sparreal-macros v0.9.3
[INFO] [stderr]   Downloaded rdif-def v0.2.0
[INFO] [stderr]   Downloaded rdif-systick v0.5.0
[INFO] [stderr]   Downloaded rdrive v0.15.3
[INFO] [stderr]   Downloaded sparreal-kernel v0.9.4
[INFO] [stderr]   Downloaded numeric-enum-macro v0.2.0
[INFO] [stderr]   Downloaded cargo_metadata v0.20.0
[INFO] [stderr]   Downloaded buddy_system_allocator v0.11.0
[INFO] [stderr]   Downloaded rdif-intc v0.11.0
[INFO] [stderr]   Downloaded cargo-platform v0.2.0
[INFO] [stderr]   Downloaded kasm-aarch64 v0.1.2
[INFO] [stderr]   Downloaded page-table-generic v0.6.0
[INFO] [stderr]   Downloaded pie-boot-macros v0.1.1
[INFO] [stderr]   Downloaded dma-api v0.3.0
[INFO] [stderr]   Downloaded page-table-arm v0.1.1
[INFO] [stderr]   Downloaded arm-gic-driver v0.14.0
[INFO] [stderr]   Downloaded smccc v0.1.1
[INFO] [stderr]   Downloaded pasts v0.14.3
[INFO] [stderr]   Downloaded serde-untagged v0.1.7
[INFO] [stderr]   Downloaded aarch64-cpu v10.0.0
[INFO] [stderr]   Downloaded pie-boot-loader-aarch64 v0.1.17
[INFO] [stderr] error: failed to parse manifest at `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pie-boot-loader-aarch64-0.1.17/Cargo.toml`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   the cargo feature `per-package-target` 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#per-package-target for more information about using this feature.


command failed: exit status: 101

    Updating crates.io index
 Downloading crates ...
  Downloaded rdif-base v0.6.0
  Downloaded abi-singleton v0.3.0
  Downloaded sparreal-macros v0.9.3
  Downloaded rdif-def v0.2.0
  Downloaded rdif-systick v0.5.0
  Downloaded rdrive v0.15.3
  Downloaded sparreal-kernel v0.9.4
  Downloaded numeric-enum-macro v0.2.0
  Downloaded cargo_metadata v0.20.0
  Downloaded buddy_system_allocator v0.11.0
  Downloaded rdif-intc v0.11.0
  Downloaded cargo-platform v0.2.0
  Downloaded kasm-aarch64 v0.1.2
  Downloaded page-table-generic v0.6.0
  Downloaded pie-boot-macros v0.1.1
  Downloaded dma-api v0.3.0
  Downloaded page-table-arm v0.1.1
  Downloaded arm-gic-driver v0.14.0
  Downloaded smccc v0.1.1
  Downloaded pasts v0.14.3
  Downloaded serde-untagged v0.1.7
  Downloaded aarch64-cpu v10.0.0
  Downloaded pie-boot-loader-aarch64 v0.1.17
error: failed to parse manifest at `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pie-boot-loader-aarch64-0.1.17/Cargo.toml`

Caused by:
  the cargo feature `per-package-target` 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#per-package-target for more information about using this feature.