[INFO] cloning repository https://github.com/wernut/chat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wernut/chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwernut%2Fchat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwernut%2Fchat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f502ce0800a21ef6899eca4e63a1b583c477a606
[INFO] checking wernut/chat against master#cf79d034aa3d8f396d407aafce6f1ccd818e710e for pr-155657-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwernut%2Fchat" "/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/wernut/chat
[INFO] finished tweaking git repo https://github.com/wernut/chat
[INFO] tweaked toml for git repo https://github.com/wernut/chat written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/wernut/chat on toolchain cf79d034aa3d8f396d407aafce6f1ccd818e710e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf79d034aa3d8f396d407aafce6f1ccd818e710e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/wernut/chat 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" "+cf79d034aa3d8f396d407aafce6f1ccd818e710e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for `blas-src`.
[INFO] [stderr]     ... required by package `chat v0.1.0 (/workspace/builds/worker-4-tc1/source)`
[INFO] [stderr] versions that meet the requirements `^0.8` are: 0.8.0
[INFO] [stderr] 
[INFO] [stderr] package `chat` depends on `blas-src` with feature `mkl` but `blas-src` does not have that feature.
[INFO] [stderr] help: available features: accelerate, accelerate-src, blis, blis-src, intel-mkl, intel-mkl-src, netlib, netlib-src, openblas, openblas-src
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `blas-src` which could resolve this conflict


overridden task result to prepare-fail:unknown

Caused by:
    0: uncategorized prepare error
    1: command failed: exit status: 101
       
           Updating crates.io index
       error: failed to select a version for `blas-src`.
           ... required by package `chat v0.1.0 (/workspace/builds/worker-4-tc1/source)`
       versions that meet the requirements `^0.8` are: 0.8.0
       
       package `chat` depends on `blas-src` with feature `mkl` but `blas-src` does not have that feature.
       help: available features: accelerate, accelerate-src, blis, blis-src, intel-mkl, intel-mkl-src, netlib, netlib-src, openblas, openblas-src
       
       
       failed to select a version for `blas-src` which could resolve this conflict