[INFO] cloning repository https://github.com/nulldatamap/mubah
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nulldatamap/mubah" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnulldatamap%2Fmubah", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnulldatamap%2Fmubah'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 91de8c46cea4efdf208783b865902f85c189e04c
[INFO] checking nulldatamap/mubah against master#fe7294f8793d001bc3f9d197e7cdef6cdb46c15a for pr-153912
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnulldatamap%2Fmubah" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nulldatamap/mubah
[INFO] finished tweaking git repo https://github.com/nulldatamap/mubah
[INFO] tweaked toml for git repo https://github.com/nulldatamap/mubah written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nulldatamap/mubah on toolchain fe7294f8793d001bc3f9d197e7cdef6cdb46c15a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fe7294f8793d001bc3f9d197e7cdef6cdb46c15a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nulldatamap/mubah 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" "+fe7294f8793d001bc3f9d197e7cdef6cdb46c15a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded time v0.1.32
[INFO] [stderr]   Downloaded byteorder v0.3.11
[INFO] [stderr]   Downloaded color_quant v1.0.0
[INFO] [stderr]   Downloaded shared_library v0.1.0
[INFO] [stderr]   Downloaded capnp v0.3.2
[INFO] [stderr]   Downloaded gcc v0.3.11
[INFO] [stderr]   Downloaded xml-rs v0.1.25
[INFO] [stderr]   Downloaded piston-gfx_texture v0.2.0
[INFO] [stderr]   Downloaded wayland-client v0.2.0
[INFO] [stderr]   Downloaded shader_version v0.2.0
[INFO] [stderr]   Downloaded winapi-build v0.1.0
[INFO] [stderr]   Downloaded vecmath v0.1.1
[INFO] [stderr]   Downloaded pistoncore-event_loop v0.5.0
[INFO] [stderr]   Downloaded khronos_api v0.0.7
[INFO] [stderr]   Downloaded libc v0.1.8
[INFO] [stderr]   Downloaded libz-sys v0.1.7
[INFO] [stderr]   Downloaded cgmath v0.2.0
[INFO] [stderr] error: failed to parse manifest at `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cgmath-0.2.0/Cargo.toml`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   dependency (rustc-serialize) specified without providing a local path, Git repository, version, or workspace dependency to use


overridden task result to prepare-fail:unknown

Caused by:
    broken dependencies: 
    
    warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
        Updating crates.io index
     Downloading crates ...
      Downloaded time v0.1.32
      Downloaded byteorder v0.3.11
      Downloaded color_quant v1.0.0
      Downloaded shared_library v0.1.0
      Downloaded capnp v0.3.2
      Downloaded gcc v0.3.11
      Downloaded xml-rs v0.1.25
      Downloaded piston-gfx_texture v0.2.0
      Downloaded wayland-client v0.2.0
      Downloaded shader_version v0.2.0
      Downloaded winapi-build v0.1.0
      Downloaded vecmath v0.1.1
      Downloaded pistoncore-event_loop v0.5.0
      Downloaded khronos_api v0.0.7
      Downloaded libc v0.1.8
      Downloaded libz-sys v0.1.7
      Downloaded cgmath v0.2.0
    error: failed to parse manifest at `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cgmath-0.2.0/Cargo.toml`
    
    Caused by:
      dependency (rustc-serialize) specified without providing a local path, Git repository, version, or workspace dependency to use