[INFO] cloning repository philipc/rewrite
[INFO] running `"git" "clone" "--bare" "git://github.com/philipc/rewrite.git" "work/cache/sources/gh/philipc/rewrite"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/philipc/rewrite'...
[INFO] running `"git" "clone" "work/cache/sources/gh/philipc/rewrite" "work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/philipc/rewrite"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/philipc/rewrite'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/philipc/rewrite" "work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/philipc/rewrite"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/philipc/rewrite'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 807332c6b4bb66480be973d4baa1471f5c0d46b3
[INFO] sha for GitHub repo philipc/rewrite: 807332c6b4bb66480be973d4baa1471f5c0d46b3
[INFO] validating manifest of philipc/rewrite 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 philipc/rewrite 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 philipc/rewrite
[INFO] removed path dependency faerie from philipc/rewrite
[INFO] removed path dependency gimli from philipc/rewrite
[INFO] removed path dependency goblin from philipc/rewrite
[INFO] removed path dependency object from philipc/rewrite
[INFO] finished frobbing philipc/rewrite
[INFO] frobbed toml for philipc/rewrite written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/philipc/rewrite/Cargo.toml
[INFO] started frobbing philipc/rewrite
[INFO] removed path dependency faerie from philipc/rewrite
[INFO] removed path dependency gimli from philipc/rewrite
[INFO] removed path dependency goblin from philipc/rewrite
[INFO] removed path dependency object from philipc/rewrite
[INFO] finished frobbing philipc/rewrite
[INFO] frobbed toml for philipc/rewrite written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/philipc/rewrite/Cargo.toml
[INFO] crate philipc/rewrite 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]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/philipc/rewrite/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