[INFO] fetching crate caffe2op-summarize 0.1.5-alpha.0...
[INFO] testing caffe2op-summarize-0.1.5-alpha.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate caffe2op-summarize 0.1.5-alpha.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate caffe2op-summarize 0.1.5-alpha.0
[INFO] finished tweaking crates.io crate caffe2op-summarize 0.1.5-alpha.0
[INFO] tweaked toml for crates.io crate caffe2op-summarize 0.1.5-alpha.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate caffe2op-summarize 0.1.5-alpha.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--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]      Locking 222 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: failed to download `caffe2-tensor v0.1.5-alpha.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   unable to get packages from source
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse manifest at `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/caffe2-tensor-0.1.5-alpha.0/Cargo.toml`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   package root '/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/caffe2-tensor-0.1.5-alpha.0' is not a directory


command failed: exit status: 101

    Blocking waiting for file lock on package cache
error: failed to download `caffe2-tensor v0.1.5-alpha.0`

Caused by:
  unable to get packages from source

Caused by:
  failed to parse manifest at `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/caffe2-tensor-0.1.5-alpha.0/Cargo.toml`

Caused by:
  package root '/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/caffe2-tensor-0.1.5-alpha.0' is not a directory