[INFO] cloning repository jfoley/minesweeper
[INFO] running `"git" "clone" "--bare" "git://github.com/jfoley/minesweeper.git" "work/cache/sources/gh/jfoley/minesweeper"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/jfoley/minesweeper'...
[INFO] running `"git" "clone" "work/cache/sources/gh/jfoley/minesweeper" "work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/jfoley/minesweeper"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/jfoley/minesweeper'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jfoley/minesweeper" "work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/jfoley/minesweeper"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/jfoley/minesweeper'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4facf4815518270ff20dd936b80f5f4079896e2b
[INFO] sha for GitHub repo jfoley/minesweeper: 4facf4815518270ff20dd936b80f5f4079896e2b
[INFO] validating manifest of jfoley/minesweeper 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 jfoley/minesweeper 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 jfoley/minesweeper
[INFO] finished frobbing jfoley/minesweeper
[INFO] frobbed toml for jfoley/minesweeper written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/jfoley/minesweeper/Cargo.toml
[INFO] started frobbing jfoley/minesweeper
[INFO] finished frobbing jfoley/minesweeper
[INFO] frobbed toml for jfoley/minesweeper written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/jfoley/minesweeper/Cargo.toml
[INFO] crate jfoley/minesweeper 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] error: the lock file /mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/jfoley/minesweeper/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