[INFO] cloning repository bitdivine/rust_rate
[INFO] running `"git" "clone" "--bare" "git://github.com/bitdivine/rust_rate.git" "work/cache/sources/gh/bitdivine/rust_rate"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/bitdivine/rust_rate'...
[INFO] running `"git" "clone" "work/cache/sources/gh/bitdivine/rust_rate" "work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/bitdivine/rust_rate"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/bitdivine/rust_rate'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bitdivine/rust_rate" "work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/bitdivine/rust_rate"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/bitdivine/rust_rate'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f9b73a3a449ead2680df5ee92edc96e89a313c0b
[INFO] sha for GitHub repo bitdivine/rust_rate: f9b73a3a449ead2680df5ee92edc96e89a313c0b
[INFO] validating manifest of bitdivine/rust_rate 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 bitdivine/rust_rate 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 bitdivine/rust_rate
[INFO] finished frobbing bitdivine/rust_rate
[INFO] frobbed toml for bitdivine/rust_rate written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/bitdivine/rust_rate/Cargo.toml
[INFO] started frobbing bitdivine/rust_rate
[INFO] finished frobbing bitdivine/rust_rate
[INFO] frobbed toml for bitdivine/rust_rate written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/bitdivine/rust_rate/Cargo.toml
[INFO] crate bitdivine/rust_rate 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/bitdivine/rust_rate/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