[INFO] fetching crate quickfix-msg50 0.1.6...
[INFO] building quickfix-msg50-0.1.6 against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] extracting crate quickfix-msg50 0.1.6 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate quickfix-msg50 0.1.6 on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate quickfix-msg50 0.1.6
[INFO] finished tweaking crates.io crate quickfix-msg50 0.1.6
[INFO] tweaked toml for crates.io crate quickfix-msg50 0.1.6 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate quickfix-msg50 0.1.6 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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr] error: failed to download `quickfix-spec-parser v0.1.6`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   unable to get packages from source
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack package `quickfix-spec-parser v0.1.6`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `quickfix-spec-parser-0.1.6/src/lib.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/quickfix-spec-parser-0.1.6/src/lib.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `quickfix-spec-parser-0.1.6/src/lib.rs` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/quickfix-spec-parser-0.1.6/src/lib.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   unexpected end of file


command failed: exit status: 101

    Updating crates.io index
 Downloading crates ...
error: failed to download `quickfix-spec-parser v0.1.6`

Caused by:
  unable to get packages from source

Caused by:
  failed to unpack package `quickfix-spec-parser v0.1.6`

Caused by:
  failed to unpack entry at `quickfix-spec-parser-0.1.6/src/lib.rs`

Caused by:
  failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/quickfix-spec-parser-0.1.6/src/lib.rs`

Caused by:
  failed to unpack `quickfix-spec-parser-0.1.6/src/lib.rs` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/quickfix-spec-parser-0.1.6/src/lib.rs`

Caused by:
  unexpected end of file