[INFO] fetching crate beam_bvm_util 7.1.13...
[INFO] checking beam_bvm_util-7.1.13 against master#6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd for pr-153721
[INFO] extracting crate beam_bvm_util 7.1.13 into /workspace/builds/worker-4-tc1/source
[INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate beam_bvm_util 7.1.13
[INFO] finished tweaking crates.io crate beam_bvm_util 7.1.13
[INFO] tweaked toml for crates.io crate beam_bvm_util 7.1.13 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate beam_bvm_util 7.1.13 on toolchain 6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "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" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded beam_bvm_interface v7.1.13107
[INFO] [stderr] error: failed to read `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/beam_bvm_interface-7.1.13107/Cargo.toml`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No such file or directory (os error 2)


overridden task result to prepare-fail:unknown

Caused by:
    0: uncategorized prepare error
    1: command failed: exit status: 101
       
           Blocking waiting for file lock on package cache
        Downloading crates ...
         Downloaded beam_bvm_interface v7.1.13107
       error: failed to read `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/beam_bvm_interface-7.1.13107/Cargo.toml`
       
       Caused by:
         No such file or directory (os error 2)