[INFO] fetching crate some-serial 0.2.4...
[INFO] documenting some-serial-0.2.4 against 1.91.0 for beta-1.92-rustdoc-1
[INFO] extracting crate some-serial 0.2.4 into /workspace/builds/worker-5-tc1/source
[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 crates.io crate some-serial 0.2.4
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate some-serial 0.2.4
[INFO] tweaked toml for crates.io crate some-serial 0.2.4 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate some-serial 0.2.4 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate some-serial 0.2.4 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mbarrier v0.1.3
[INFO] [stderr]   Downloaded rdif-def v0.2.0
[INFO] [stderr]   Downloaded rdif-serial v0.5.4
[INFO] [stderr]   Downloaded as-any v0.3.2
[INFO] [stderr]   Downloaded rdif-base v0.7.0
[INFO] [stderr]   Downloaded tock-registers v0.10.0
[INFO] [stderr]   Downloaded spin v0.10.0
[INFO] [stderr]   Downloaded any-uart v0.2.12
[INFO] [stderr]   Downloaded dma-api v0.5.1
[INFO] [stderr]   Downloaded pie-boot-if v0.8.0
[INFO] [stderr]   Downloaded volatile v0.4.6
[INFO] [stderr]   Downloaded kdef-pgtable v0.1.5
[INFO] [stderr]   Downloaded bindeps-simple v0.2.5
[INFO] [stderr]   Downloaded arm-gic-driver v0.15.8
[INFO] [stderr]   Downloaded serde-untagged v0.1.9
[INFO] [stderr]   Downloaded pci_types v0.10.0
[INFO] [stderr]   Downloaded aarch64-cpu v10.0.0
[INFO] [stderr]   Downloaded x86_64 v0.15.2
[INFO] [stderr]   Downloaded heapless v0.9.1
[INFO] [stderr]   Downloaded rdrive v0.18.11
[INFO] [stderr]   Downloaded sparreal-rt v0.12.1
[INFO] [stderr]   Downloaded pie-boot-loader-aarch64 v0.3.3
[INFO] [stderr] error: failed to parse manifest at `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pie-boot-loader-aarch64-0.3.3/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

    Blocking waiting for file lock on package cache
    Updating crates.io index
    Blocking waiting for file lock on package cache
 Downloading crates ...
  Downloaded mbarrier v0.1.3
  Downloaded rdif-def v0.2.0
  Downloaded rdif-serial v0.5.4
  Downloaded as-any v0.3.2
  Downloaded rdif-base v0.7.0
  Downloaded tock-registers v0.10.0
  Downloaded spin v0.10.0
  Downloaded any-uart v0.2.12
  Downloaded dma-api v0.5.1
  Downloaded pie-boot-if v0.8.0
  Downloaded volatile v0.4.6
  Downloaded kdef-pgtable v0.1.5
  Downloaded bindeps-simple v0.2.5
  Downloaded arm-gic-driver v0.15.8
  Downloaded serde-untagged v0.1.9
  Downloaded pci_types v0.10.0
  Downloaded aarch64-cpu v10.0.0
  Downloaded x86_64 v0.15.2
  Downloaded heapless v0.9.1
  Downloaded rdrive v0.18.11
  Downloaded sparreal-rt v0.12.1
  Downloaded pie-boot-loader-aarch64 v0.3.3
error: failed to parse manifest at `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pie-boot-loader-aarch64-0.3.3/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.