[INFO] cloning repository mythmon/rust-nbodies
[INFO] running `"git" "clone" "--bare" "git://github.com/mythmon/rust-nbodies.git" "work/cache/sources/gh/mythmon/rust-nbodies"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/mythmon/rust-nbodies'...
[INFO] running `"git" "clone" "work/cache/sources/gh/mythmon/rust-nbodies" "work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/mythmon/rust-nbodies"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/mythmon/rust-nbodies'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mythmon/rust-nbodies" "work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/mythmon/rust-nbodies"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/mythmon/rust-nbodies'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f65459cfc98c3306fbb5505a7a75752848d88b01
[INFO] sha for GitHub repo mythmon/rust-nbodies: f65459cfc98c3306fbb5505a7a75752848d88b01
[INFO] validating manifest of mythmon/rust-nbodies 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 mythmon/rust-nbodies 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 mythmon/rust-nbodies
[INFO] finished frobbing mythmon/rust-nbodies
[INFO] frobbed toml for mythmon/rust-nbodies written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/mythmon/rust-nbodies/Cargo.toml
[INFO] started frobbing mythmon/rust-nbodies
[INFO] finished frobbing mythmon/rust-nbodies
[INFO] frobbed toml for mythmon/rust-nbodies written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/mythmon/rust-nbodies/Cargo.toml
[INFO] crate mythmon/rust-nbodies 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/mythmon/rust-nbodies/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