[INFO] cloning repository https://github.com/DerekCrosson/rustic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DerekCrosson/rustic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDerekCrosson%2Frustic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDerekCrosson%2Frustic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a884b928aa23ebdda77e8741d8b390221401c721
[INFO] checking DerekCrosson/rustic against master#d2eadb7a94ef8c9deb5137695df33cd1fc5aee92 for pr-137268
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDerekCrosson%2Frustic" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DerekCrosson/rustic on toolchain d2eadb7a94ef8c9deb5137695df33cd1fc5aee92
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d2eadb7a94ef8c9deb5137695df33cd1fc5aee92" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/DerekCrosson/rustic
[INFO] finished tweaking git repo https://github.com/DerekCrosson/rustic
[INFO] tweaked toml for git repo https://github.com/DerekCrosson/rustic written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/DerekCrosson/rustic 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" "+d2eadb7a94ef8c9deb5137695df33cd1fc5aee92" "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 ux v0.1.3
[INFO] [stderr]   Downloaded volatile v0.2.6
[INFO] [stderr]   Downloaded zero v0.1.2
[INFO] [stderr]   Downloaded os_bootinfo v0.2.1
[INFO] [stderr]   Downloaded uart_16550 v0.1.0
[INFO] [stderr]   Downloaded array-init v0.0.3
[INFO] [stderr]   Downloaded array-init v0.0.4
[INFO] [stderr]   Downloaded usize_conversions v0.2.0
[INFO] [stderr]   Downloaded bit_field v0.9.0
[INFO] [stderr]   Downloaded cc v1.0.31
[INFO] [stderr]   Downloaded fixedvec v0.2.3
[INFO] [stderr]   Downloaded spin v0.5.0
[INFO] [stderr]   Downloaded spin v0.4.10
[INFO] [stderr]   Downloaded xmas-elf v0.6.2
[INFO] [stderr]   Downloaded bootloader v0.3.14
[INFO] [stderr] error: failed to parse manifest at `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bootloader-0.3.14/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.


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 ux v0.1.3
  Downloaded volatile v0.2.6
  Downloaded zero v0.1.2
  Downloaded os_bootinfo v0.2.1
  Downloaded uart_16550 v0.1.0
  Downloaded array-init v0.0.3
  Downloaded array-init v0.0.4
  Downloaded usize_conversions v0.2.0
  Downloaded bit_field v0.9.0
  Downloaded cc v1.0.31
  Downloaded fixedvec v0.2.3
  Downloaded spin v0.5.0
  Downloaded spin v0.4.10
  Downloaded xmas-elf v0.6.2
  Downloaded bootloader v0.3.14
error: failed to parse manifest at `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bootloader-0.3.14/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.