[INFO] crate silverknife 0.0.1 is already in cache
[INFO] extracting crate silverknife 0.0.1 into work/ex/pr-60620-1/sources/master#ef01f29964df207f181bd5bcf236e41372a17273/reg/silverknife/0.0.1
[INFO] extracting crate silverknife 0.0.1 into work/ex/pr-60620-1/sources/try#a7cff45e655f886da150e206c7acbe984df4ab71/reg/silverknife/0.0.1
[INFO] validating manifest of silverknife-0.0.1 on toolchain master#ef01f29964df207f181bd5bcf236e41372a17273
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+ef01f29964df207f181bd5bcf236e41372a17273-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of silverknife-0.0.1 on toolchain try#a7cff45e655f886da150e206c7acbe984df4ab71
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a7cff45e655f886da150e206c7acbe984df4ab71-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing silverknife-0.0.1
[INFO] finished frobbing silverknife-0.0.1
[INFO] frobbed toml for silverknife-0.0.1 written to work/ex/pr-60620-1/sources/master#ef01f29964df207f181bd5bcf236e41372a17273/reg/silverknife/0.0.1/Cargo.toml
[INFO] started frobbing silverknife-0.0.1
[INFO] finished frobbing silverknife-0.0.1
[INFO] frobbed toml for silverknife-0.0.1 written to work/ex/pr-60620-1/sources/try#a7cff45e655f886da150e206c7acbe984df4ab71/reg/silverknife/0.0.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+ef01f29964df207f181bd5bcf236e41372a17273-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr] error: no matching package named `openal-rs` found
[INFO] [stderr] location searched: registry `https://github.com/rust-lang/crates.io-index`
[INFO] [stderr] required by package `silverknife v0.0.1 (/mnt/big/crater/work/ex/pr-60620-1/sources/master#ef01f29964df207f181bd5bcf236e41372a17273/reg/silverknife/0.0.1)`
[ERROR] this task or one of its parent failed!
[ERROR] command `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+ef01f29964df207f181bd5bcf236e41372a17273-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` failed