[INFO] updating cached repository mneumann/graph-annealing
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mneumann/graph-annealing
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mneumann/graph-annealing" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/mneumann/graph-annealing"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/mneumann/graph-annealing'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mneumann/graph-annealing" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/mneumann/graph-annealing"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/mneumann/graph-annealing'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ea6733305f6ce074c0a7986c57dd1756ce4ee780
[INFO] sha for GitHub repo mneumann/graph-annealing: ea6733305f6ce074c0a7986c57dd1756ce4ee780
[INFO] validating manifest of mneumann/graph-annealing on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mneumann/graph-annealing on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mneumann/graph-annealing
[INFO] finished frobbing mneumann/graph-annealing
[INFO] frobbed toml for mneumann/graph-annealing written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/mneumann/graph-annealing/Cargo.toml
[INFO] started frobbing mneumann/graph-annealing
[INFO] finished frobbing mneumann/graph-annealing
[INFO] frobbed toml for mneumann/graph-annealing written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/mneumann/graph-annealing/Cargo.toml
[INFO] crate mneumann/graph-annealing already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/mneumann/graph-annealing/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on the git checkouts
[INFO] [stderr]     Updating git repository `https://github.com/mneumann/artificial-genome-rs`
[INFO] [stderr]     Updating git repository `https://github.com/mneumann/evo-rs.git`
[INFO] [stderr]     Blocking waiting for file lock on the git checkouts
[INFO] [stderr]     Updating git repository `https://github.com/mneumann/expression-closed01-rs.git`
[INFO] [stderr]     Blocking waiting for file lock on the git checkouts
[INFO] [stderr]     Updating git repository `https://github.com/mneumann/graph-edge-evolution.git`
[INFO] [stderr]     Updating git repository `https://github.com/mneumann/graph-layout-rs.git`
[INFO] [stderr]     Blocking waiting for file lock on the git checkouts
[INFO] [stderr]     Updating git repository `https://github.com/mneumann/matplotlib-rs.git`
[INFO] [stderr]     Updating git repository `https://github.com/mneumann/nsga2-rs`
[INFO] [stderr]     Updating git repository `https://github.com/codahale/pcg.git`
[INFO] [stderr] error: no matching package named `turtle` found
[INFO] [stderr] location searched: registry `https://github.com/rust-lang/crates.io-index`
[INFO] [stderr] perhaps you meant: turtle
[INFO] [stderr] required by package `lindenmayer-system v0.3.0`
[INFO] [stderr]     ... which is depended on by `graph_annealing v0.1.0 (/mnt/big/crater/work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/mneumann/graph-annealing)`
[ERROR] this task or one of its parent failed!
[ERROR] command `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` failed