[INFO] cloning repository idotial/testlinks
[INFO] running `"git" "clone" "--bare" "git://github.com/idotial/testlinks.git" "work/cache/sources/gh/idotial/testlinks"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/idotial/testlinks'...
[INFO] running `"git" "clone" "work/cache/sources/gh/idotial/testlinks" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/idotial/testlinks"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/idotial/testlinks'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/idotial/testlinks" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/idotial/testlinks"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/idotial/testlinks'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1986ea0d9822a1dd344080219694827f580d7cb9
[INFO] sha for GitHub repo idotial/testlinks: 1986ea0d9822a1dd344080219694827f580d7cb9
[INFO] validating manifest of idotial/testlinks on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of idotial/testlinks on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing idotial/testlinks
[INFO] finished frobbing idotial/testlinks
[INFO] frobbed toml for idotial/testlinks written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/idotial/testlinks/Cargo.toml
[INFO] started frobbing idotial/testlinks
[INFO] finished frobbing idotial/testlinks
[INFO] frobbed toml for idotial/testlinks written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/idotial/testlinks/Cargo.toml
[INFO] crate idotial/testlinks already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for `parity-rocksdb-sys`.
[INFO] [stderr]     ... required by package `parity-rocksdb v0.5.0`
[INFO] [stderr]     ... which is depended on by `testlinks v0.1.0 (/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/idotial/testlinks)`
[INFO] [stderr] versions that meet the requirements `^0.5` are: 0.5.6, 0.5.5, 0.5.4, 0.5.3, 0.5.2, 0.5.1, 0.5.0
[INFO] [stderr] 
[INFO] [stderr] the package `parity-rocksdb-sys` links to the native library `rocksdb`, but it conflicts with a previous package which links to `rocksdb` as well:
[INFO] [stderr] package `librocksdb-sys v5.17.2`
[INFO] [stderr]     ... which is depended on by `testlinks v0.1.0 (/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/idotial/testlinks)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `parity-rocksdb-sys` which could resolve this conflict
[ERROR] this task or one of its parent failed!
[ERROR] command `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed