[INFO] cloning repository jFransham/polish-prefix-language
[INFO] running `"git" "clone" "--bare" "git://github.com/jFransham/polish-prefix-language.git" "work/cache/sources/gh/jFransham/polish-prefix-language"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/jFransham/polish-prefix-language'...
[INFO] running `"git" "clone" "work/cache/sources/gh/jFransham/polish-prefix-language" "work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/jFransham/polish-prefix-language"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/jFransham/polish-prefix-language'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jFransham/polish-prefix-language" "work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/jFransham/polish-prefix-language"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/jFransham/polish-prefix-language'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3a5ad5bb468a0f3e57d1489ec5f6906419bbfb73
[INFO] sha for GitHub repo jFransham/polish-prefix-language: 3a5ad5bb468a0f3e57d1489ec5f6906419bbfb73
[INFO] validating manifest of jFransham/polish-prefix-language 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 jFransham/polish-prefix-language 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 jFransham/polish-prefix-language
[INFO] finished frobbing jFransham/polish-prefix-language
[INFO] frobbed toml for jFransham/polish-prefix-language written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/jFransham/polish-prefix-language/Cargo.toml
[INFO] started frobbing jFransham/polish-prefix-language
[INFO] finished frobbing jFransham/polish-prefix-language
[INFO] frobbed toml for jFransham/polish-prefix-language written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/jFransham/polish-prefix-language/Cargo.toml
[INFO] crate jFransham/polish-prefix-language 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/jFransham/polish-prefix-language/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