[INFO] crate futures2 0.1.0 is already in cache [INFO] extracting crate futures2 0.1.0 into work/ex/pr-60932/sources/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4/reg/futures2/0.1.0 [INFO] extracting crate futures2 0.1.0 into work/ex/pr-60932/sources/try#097e26225c5cc28d3042ad4c80eac7c488f78ee7/reg/futures2/0.1.0 [INFO] validating manifest of futures2-0.1.0 on toolchain master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+548add7f61bfcbe3bea3f5ccefb53c84da8fefe4-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of futures2-0.1.0 on toolchain try#097e26225c5cc28d3042ad4c80eac7c488f78ee7 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+097e26225c5cc28d3042ad4c80eac7c488f78ee7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing futures2-0.1.0 [INFO] finished frobbing futures2-0.1.0 [INFO] frobbed toml for futures2-0.1.0 written to work/ex/pr-60932/sources/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4/reg/futures2/0.1.0/Cargo.toml [INFO] started frobbing futures2-0.1.0 [INFO] finished frobbing futures2-0.1.0 [INFO] frobbed toml for futures2-0.1.0 written to work/ex/pr-60932/sources/try#097e26225c5cc28d3042ad4c80eac7c488f78ee7/reg/futures2/0.1.0/Cargo.toml [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+548add7f61bfcbe3bea3f5ccefb53c84da8fefe4-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] error: failed to select a version for the requirement `futures = "= 0.2.0-beta"` [INFO] [stderr] candidate versions found which didn't match: 0.1.27, 0.1.26, 0.1.25, ... [INFO] [stderr] location searched: crates.io index [INFO] [stderr] required by package `futures2 v0.1.0 (/mnt/crater-raid/crater/work/ex/pr-60932/sources/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4/reg/futures2/0.1.0)` [ERROR] this task or one of its parent failed! [ERROR] overridden task result to broken:yanked [ERROR] caused by: crate futures2-0.1.0 depends on yanked crates [ERROR]