[INFO] updating cached repository alexcrichton/futures-trustdns-test
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/alexcrichton/futures-trustdns-test
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/alexcrichton/futures-trustdns-test" "work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/alexcrichton/futures-trustdns-test"`
[INFO] [stderr] Cloning into 'work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/alexcrichton/futures-trustdns-test'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/alexcrichton/futures-trustdns-test" "work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/alexcrichton/futures-trustdns-test"`
[INFO] [stderr] Cloning into 'work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/alexcrichton/futures-trustdns-test'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5ebd74bfa041923bd2b44b14cc818f5511b80767
[INFO] sha for GitHub repo alexcrichton/futures-trustdns-test: 5ebd74bfa041923bd2b44b14cc818f5511b80767
[INFO] validating manifest of alexcrichton/futures-trustdns-test on toolchain master#589beb979c0f1a9736e02e578913db88398c3ba5
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of alexcrichton/futures-trustdns-test on toolchain try#42445ded8fd34235a676755cb5d079658ed51f6a
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing alexcrichton/futures-trustdns-test
[INFO] finished frobbing alexcrichton/futures-trustdns-test
[INFO] frobbed toml for alexcrichton/futures-trustdns-test written to work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/alexcrichton/futures-trustdns-test/Cargo.toml
[INFO] started frobbing alexcrichton/futures-trustdns-test
[INFO] finished frobbing alexcrichton/futures-trustdns-test
[INFO] frobbed toml for alexcrichton/futures-trustdns-test written to work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/alexcrichton/futures-trustdns-test/Cargo.toml
[INFO] crate alexcrichton/futures-trustdns-test already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/crater-raid/crater/work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/alexcrichton/futures-trustdns-test/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/alexcrichton/futures-rs`
[INFO] [stderr]     Updating git repository `https://github.com/tokio-rs/tokio-core`
[INFO] [stderr] error: no matching package named `futures` found
[INFO] [stderr] location searched: https://github.com/alexcrichton/futures-rs
[INFO] [stderr] required by package `futures-trustdns v0.1.0 (/mnt/crater-raid/crater/work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/alexcrichton/futures-trustdns-test)`
[ERROR] this task or one of its parent failed!
[ERROR] command `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` failed