[INFO] fetching crate btc_line 1.0.2...
[INFO] testing btc_line-1.0.2 against 1.94.0 for beta-1.95-1
[INFO] extracting crate btc_line 1.0.2 into /workspace/builds/worker-1-tc1/source
[INFO] removed /workspace/builds/worker-1-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate btc_line 1.0.2
[INFO] finished tweaking crates.io crate btc_line 1.0.2
[INFO] tweaked toml for crates.io crate btc_line 1.0.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate btc_line 1.0.2 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 crates.io crate btc_line 1.0.2 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]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded json5 v0.4.1
[INFO] [stderr]   Downloaded xdg v3.0.0
[INFO] [stderr]   Downloaded facet-macro-types v0.41.0
[INFO] [stderr]   Downloaded zmij v1.0.5
[INFO] [stderr]   Downloaded v_exchanges_api_generics v0.18.7
[INFO] [stderr] error: failed to parse manifest at `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/v_exchanges_api_generics-0.18.7/Cargo.toml`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   the cargo feature `codegen-backend` 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#codegen-backend for more information about using this feature.


command failed: exit status: 101

    Updating crates.io index
    Blocking waiting for file lock on package cache
 Downloading crates ...
  Downloaded json5 v0.4.1
  Downloaded xdg v3.0.0
  Downloaded facet-macro-types v0.41.0
  Downloaded zmij v1.0.5
  Downloaded v_exchanges_api_generics v0.18.7
error: failed to parse manifest at `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/v_exchanges_api_generics-0.18.7/Cargo.toml`

Caused by:
  the cargo feature `codegen-backend` 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#codegen-backend for more information about using this feature.