[INFO] cloning repository johannesg/mandelbrot-rust [INFO] running `"git" "clone" "--bare" "git://github.com/johannesg/mandelbrot-rust.git" "work/cache/sources/gh/johannesg/mandelbrot-rust"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/johannesg/mandelbrot-rust'... [INFO] running `"git" "clone" "work/cache/sources/gh/johannesg/mandelbrot-rust" "work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/johannesg/mandelbrot-rust"` [INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/johannesg/mandelbrot-rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/johannesg/mandelbrot-rust" "work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/johannesg/mandelbrot-rust"` [INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/johannesg/mandelbrot-rust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] a55bd9a6adda09126a760c30cf62fc897fd6fb4c [INFO] sha for GitHub repo johannesg/mandelbrot-rust: a55bd9a6adda09126a760c30cf62fc897fd6fb4c [INFO] validating manifest of johannesg/mandelbrot-rust 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 johannesg/mandelbrot-rust 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 johannesg/mandelbrot-rust [INFO] finished frobbing johannesg/mandelbrot-rust [INFO] frobbed toml for johannesg/mandelbrot-rust written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/johannesg/mandelbrot-rust/Cargo.toml [INFO] started frobbing johannesg/mandelbrot-rust [INFO] finished frobbing johannesg/mandelbrot-rust [INFO] frobbed toml for johannesg/mandelbrot-rust written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/johannesg/mandelbrot-rust/Cargo.toml [INFO] crate johannesg/mandelbrot-rust 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] Updating crates.io index [INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/johannesg/mandelbrot-rust/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