[INFO] cloning repository https://github.com/morimolymoly/WeedOS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/morimolymoly/WeedOS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmorimolymoly%2FWeedOS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmorimolymoly%2FWeedOS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5b373dec1d1cc67a92c8078c7c633efb8e2c8061
[INFO] checking morimolymoly/WeedOS against master#4b9792692fbb675174d4d2082e7c37b2bc930e71 for pr-153692-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmorimolymoly%2FWeedOS" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/morimolymoly/WeedOS
[INFO] finished tweaking git repo https://github.com/morimolymoly/WeedOS
[INFO] tweaked toml for git repo https://github.com/morimolymoly/WeedOS written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/morimolymoly/WeedOS on toolchain 4b9792692fbb675174d4d2082e7c37b2bc930e71
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4b9792692fbb675174d4d2082e7c37b2bc930e71" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/morimolymoly/WeedOS 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" "+4b9792692fbb675174d4d2082e7c37b2bc930e71" "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 spin v0.5.0
[INFO] [stderr]   Downloaded volatile v0.2.6
[INFO] [stderr]   Downloaded font8x8 v0.2.4
[INFO] [stderr]   Downloaded fuchsia-zircon v0.3.3
[INFO] [stderr]   Downloaded fuchsia-zircon-sys v0.3.3
[INFO] [stderr]   Downloaded lazy_static v1.3.0
[INFO] [stderr]   Downloaded rand v0.4.3
[INFO] [stderr]   Downloaded libc v0.2.44
[INFO] [stderr]   Downloaded bootloader v0.3.8
[INFO] [stderr] error: failed to parse manifest at `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bootloader-0.3.8/Cargo.toml`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   the cargo feature `publish-lockfile` has been removed in the 1.37 release
[INFO] [stderr] 
[INFO] [stderr]   This package cannot be used with this version of Cargo, as the unstable feature `publish-lockfile` is no longer supported.
[INFO] [stderr]   See https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#publish-lockfile for more information about using this feature.


overridden task result to broken:broken-deps

Caused by:
    broken dependencies: 
    
        Blocking waiting for file lock on package cache
        Updating crates.io index
        Blocking waiting for file lock on package cache
     Downloading crates ...
      Downloaded spin v0.5.0
      Downloaded volatile v0.2.6
      Downloaded font8x8 v0.2.4
      Downloaded fuchsia-zircon v0.3.3
      Downloaded fuchsia-zircon-sys v0.3.3
      Downloaded lazy_static v1.3.0
      Downloaded rand v0.4.3
      Downloaded libc v0.2.44
      Downloaded bootloader v0.3.8
    error: failed to parse manifest at `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bootloader-0.3.8/Cargo.toml`
    
    Caused by:
      the cargo feature `publish-lockfile` has been removed in the 1.37 release
    
      This package cannot be used with this version of Cargo, as the unstable feature `publish-lockfile` is no longer supported.
      See https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#publish-lockfile for more information about using this feature.