[INFO] cloning repository https://github.com/nagyf/frankos
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nagyf/frankos" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnagyf%2Ffrankos", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnagyf%2Ffrankos'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e8c7afff201e099e4f5964f8bfd051a1feff33da
[INFO] checking nagyf/frankos against master#cf8a95590a1b768b7711f2631d5b5e3ead464de7 for pr-149389
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnagyf%2Ffrankos" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc1/source/.cargo/config
[INFO] removed /workspace/builds/worker-7-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/nagyf/frankos
[INFO] finished tweaking git repo https://github.com/nagyf/frankos
[INFO] tweaked toml for git repo https://github.com/nagyf/frankos written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nagyf/frankos on toolchain cf8a95590a1b768b7711f2631d5b5e3ead464de7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf8a95590a1b768b7711f2631d5b5e3ead464de7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nagyf/frankos 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" "+cf8a95590a1b768b7711f2631d5b5e3ead464de7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: target.cfg(target_os = "none").runner
[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 cpuio v0.2.0
[INFO] [stderr]   Downloaded spin v0.4.10
[INFO] [stderr]   Downloaded pc-keyboard v0.3.1
[INFO] [stderr]   Downloaded ux v0.1.3
[INFO] [stderr]   Downloaded cast v0.2.2
[INFO] [stderr]   Downloaded raw-cpuid v6.1.0
[INFO] [stderr]   Downloaded getopts v0.2.19
[INFO] [stderr]   Downloaded skeptic v0.5.0
[INFO] [stderr]   Downloaded font8x8 v0.2.5
[INFO] [stderr]   Downloaded x86_64 v0.3.6
[INFO] [stderr]   Downloaded xmas-elf v0.6.2
[INFO] [stderr]   Downloaded bootloader v0.6.0
[INFO] [stderr] error: failed to parse manifest at `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bootloader-0.6.0/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

warning: unused manifest key: target.cfg(target_os = "none").runner
    Blocking waiting for file lock on package cache
    Updating crates.io index
    Blocking waiting for file lock on package cache
 Downloading crates ...
  Downloaded cpuio v0.2.0
  Downloaded spin v0.4.10
  Downloaded pc-keyboard v0.3.1
  Downloaded ux v0.1.3
  Downloaded cast v0.2.2
  Downloaded raw-cpuid v6.1.0
  Downloaded getopts v0.2.19
  Downloaded skeptic v0.5.0
  Downloaded font8x8 v0.2.5
  Downloaded x86_64 v0.3.6
  Downloaded xmas-elf v0.6.2
  Downloaded bootloader v0.6.0
error: failed to parse manifest at `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bootloader-0.6.0/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.