[INFO] updating cached repository puma3/LittleCompiler
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/puma3/LittleCompiler
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/puma3/LittleCompiler" "work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/puma3/LittleCompiler"`
[INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/puma3/LittleCompiler'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/puma3/LittleCompiler" "work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/puma3/LittleCompiler"`
[INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/puma3/LittleCompiler'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 37588c3b17b6e257fd086c9965287ba644dc6140
[INFO] sha for GitHub repo puma3/LittleCompiler: 37588c3b17b6e257fd086c9965287ba644dc6140
[INFO] validating manifest of puma3/LittleCompiler on toolchain master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of puma3/LittleCompiler on toolchain try#29640c57b5f92febba0e40c50cb863c9a7ede51d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing puma3/LittleCompiler
[INFO] removed path dependency compiler from puma3/LittleCompiler
[INFO] finished frobbing puma3/LittleCompiler
[INFO] frobbed toml for puma3/LittleCompiler written to work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/puma3/LittleCompiler/Cargo.toml
[INFO] started frobbing puma3/LittleCompiler
[INFO] removed path dependency compiler from puma3/LittleCompiler
[INFO] finished frobbing puma3/LittleCompiler
[INFO] frobbed toml for puma3/LittleCompiler written to work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/puma3/LittleCompiler/Cargo.toml
[INFO] crate puma3/LittleCompiler has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on the registry index
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: no matching package named `compiler` found
[INFO] [stderr] location searched: registry `https://github.com/rust-lang/crates.io-index`
[INFO] [stderr] required by package `little_compiler v0.1.0 (/mnt/big/crater/work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/puma3/LittleCompiler)`
[ERROR] this task or one of its parent failed!
[ERROR] command `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed