[INFO] fetching crate alexcrichton-cranelift 0.53.0...
[INFO] checking alexcrichton-cranelift-0.53.0 against master#cd7cbe818e4a66d46fe2df993d1b8518eba8a5cd for pr-145463
[INFO] extracting crate alexcrichton-cranelift 0.53.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate alexcrichton-cranelift 0.53.0
[INFO] finished tweaking crates.io crate alexcrichton-cranelift 0.53.0
[INFO] tweaked toml for crates.io crate alexcrichton-cranelift 0.53.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate alexcrichton-cranelift 0.53.0 on toolchain cd7cbe818e4a66d46fe2df993d1b8518eba8a5cd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cd7cbe818e4a66d46fe2df993d1b8518eba8a5cd" "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" "+cd7cbe818e4a66d46fe2df993d1b8518eba8a5cd" "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 29 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cd7cbe818e4a66d46fe2df993d1b8518eba8a5cd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr] error: failed to download `alexcrichton-cranelift-codegen v0.53.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   unable to get packages from source
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack package `alexcrichton-cranelift-codegen v0.53.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `alexcrichton-cranelift-codegen-0.53.0/src/dominator_tree.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/alexcrichton-cranelift-codegen-0.53.0/src/dominator_tree.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `alexcrichton-cranelift-codegen-0.53.0/src/dominator_tree.rs` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/alexcrichton-cranelift-codegen-0.53.0/src/dominator_tree.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   unexpected end of file


command failed: exit status: 101

    Blocking waiting for file lock on package cache
    Blocking waiting for file lock on package cache
 Downloading crates ...
error: failed to download `alexcrichton-cranelift-codegen v0.53.0`

Caused by:
  unable to get packages from source

Caused by:
  failed to unpack package `alexcrichton-cranelift-codegen v0.53.0`

Caused by:
  failed to unpack entry at `alexcrichton-cranelift-codegen-0.53.0/src/dominator_tree.rs`

Caused by:
  failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/alexcrichton-cranelift-codegen-0.53.0/src/dominator_tree.rs`

Caused by:
  failed to unpack `alexcrichton-cranelift-codegen-0.53.0/src/dominator_tree.rs` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/alexcrichton-cranelift-codegen-0.53.0/src/dominator_tree.rs`

Caused by:
  unexpected end of file