[INFO] crate qemu-rust 0.1.0 is already in cache [INFO] extracting crate qemu-rust 0.1.0 into work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/reg/qemu-rust/0.1.0 [INFO] extracting crate qemu-rust 0.1.0 into work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/reg/qemu-rust/0.1.0 [INFO] validating manifest of qemu-rust-0.1.0 on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of qemu-rust-0.1.0 on toolchain try#f45cc3094ee337acd688771b9234318046b0572d [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing qemu-rust-0.1.0 [INFO] finished frobbing qemu-rust-0.1.0 [INFO] frobbed toml for qemu-rust-0.1.0 written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/reg/qemu-rust/0.1.0/Cargo.toml [INFO] started frobbing qemu-rust-0.1.0 [INFO] finished frobbing qemu-rust-0.1.0 [INFO] frobbed toml for qemu-rust-0.1.0 written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/reg/qemu-rust/0.1.0/Cargo.toml [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /mnt/crater-raid/crater/work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/reg/qemu-rust/0.1.0/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/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed