[INFO] crate packet-stream 0.7.0 is already in cache [INFO] extracting crate packet-stream 0.7.0 into work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/reg/packet-stream/0.7.0 [INFO] extracting crate packet-stream 0.7.0 into work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/reg/packet-stream/0.7.0 [INFO] validating manifest of packet-stream-0.7.0 on toolchain master#efe2f32a6b8217425f361ec7c206910c611c03ee [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of packet-stream-0.7.0 on toolchain try#78b0bd8441ef961f6475e3d47fe3bca38cb83432 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing packet-stream-0.7.0 [INFO] finished frobbing packet-stream-0.7.0 [INFO] frobbed toml for packet-stream-0.7.0 written to work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/reg/packet-stream/0.7.0/Cargo.toml [INFO] started frobbing packet-stream-0.7.0 [INFO] finished frobbing packet-stream-0.7.0 [INFO] frobbed toml for packet-stream-0.7.0 written to work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/reg/packet-stream/0.7.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-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-alpha"` [INFO] [stderr] candidate versions found which didn't match: 0.1.26, 0.1.25, 0.1.24, ... [INFO] [stderr] location searched: crates.io index [INFO] [stderr] required by package `packet-stream v0.7.0 (/mnt/big/crater/work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/reg/packet-stream/0.7.0)` [ERROR] this task or one of its parent failed! [ERROR] overridden task result to broken:yanked [ERROR] caused by: crate packet-stream-0.7.0 depends on yanked crates [ERROR]