[INFO] crate qemu-rust 0.1.0 is already in cache [INFO] extracting crate qemu-rust 0.1.0 into work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/qemu-rust/0.1.0 [INFO] extracting crate qemu-rust 0.1.0 into work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/reg/qemu-rust/0.1.0 [INFO] validating manifest of qemu-rust-0.1.0 on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of qemu-rust-0.1.0 on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-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-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/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-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/reg/qemu-rust/0.1.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/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/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed