[INFO] cloning repository pepone42/HexGemRust
[INFO] running `"git" "clone" "--bare" "git://github.com/pepone42/HexGemRust.git" "work/cache/sources/gh/pepone42/HexGemRust"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/pepone42/HexGemRust'...
[INFO] running `"git" "clone" "work/cache/sources/gh/pepone42/HexGemRust" "work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/pepone42/HexGemRust"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/pepone42/HexGemRust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/pepone42/HexGemRust" "work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/pepone42/HexGemRust"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/pepone42/HexGemRust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 109b9d82088fd5370618485fc0d83e387929906b
[INFO] sha for GitHub repo pepone42/HexGemRust: 109b9d82088fd5370618485fc0d83e387929906b
[INFO] validating manifest of pepone42/HexGemRust 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 pepone42/HexGemRust 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 pepone42/HexGemRust
[INFO] finished frobbing pepone42/HexGemRust
[INFO] frobbed toml for pepone42/HexGemRust written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/pepone42/HexGemRust/Cargo.toml
[INFO] started frobbing pepone42/HexGemRust
[INFO] finished frobbing pepone42/HexGemRust
[INFO] frobbed toml for pepone42/HexGemRust written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/pepone42/HexGemRust/Cargo.toml
[INFO] crate pepone42/HexGemRust 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/pepone42/HexGemRust/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