[INFO] cloning repository xiaobai/cache-sim [INFO] running `"git" "clone" "--bare" "git://github.com/xiaobai/cache-sim.git" "work/cache/sources/gh/xiaobai/cache-sim"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/xiaobai/cache-sim'... [INFO] running `"git" "clone" "work/cache/sources/gh/xiaobai/cache-sim" "work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/xiaobai/cache-sim"` [INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/xiaobai/cache-sim'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/xiaobai/cache-sim" "work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/xiaobai/cache-sim"` [INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/xiaobai/cache-sim'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 5328dec6ee1d2bb4faa2676d442d701104eace63 [INFO] sha for GitHub repo xiaobai/cache-sim: 5328dec6ee1d2bb4faa2676d442d701104eace63 [INFO] validating manifest of xiaobai/cache-sim on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of xiaobai/cache-sim on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing xiaobai/cache-sim [INFO] finished frobbing xiaobai/cache-sim [INFO] frobbed toml for xiaobai/cache-sim written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/xiaobai/cache-sim/Cargo.toml [INFO] started frobbing xiaobai/cache-sim [INFO] finished frobbing xiaobai/cache-sim [INFO] frobbed toml for xiaobai/cache-sim written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/xiaobai/cache-sim/Cargo.toml [INFO] crate xiaobai/cache-sim has a lockfile. skipping [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on the registry index [INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/xiaobai/cache-sim/Cargo.lock needs to be updated but --locked was passed to prevent this [ERROR] this task or one of its parent failed! [ERROR] command `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed