[INFO] crate atm-async-utils 0.2.1 is already in cache
[INFO] extracting crate atm-async-utils 0.2.1 into work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/reg/atm-async-utils/0.2.1
[INFO] extracting crate atm-async-utils 0.2.1 into work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/reg/atm-async-utils/0.2.1
[INFO] validating manifest of atm-async-utils-0.2.1 on toolchain master#7840a0b753a065a41999f1fb6028f67d33e3fdd5
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+7840a0b753a065a41999f1fb6028f67d33e3fdd5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of atm-async-utils-0.2.1 on toolchain try#6a9f0b6cc40687e25f9d772e3b10bab335c63853
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+6a9f0b6cc40687e25f9d772e3b10bab335c63853-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing atm-async-utils-0.2.1
[INFO] finished frobbing atm-async-utils-0.2.1
[INFO] frobbed toml for atm-async-utils-0.2.1 written to work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/reg/atm-async-utils/0.2.1/Cargo.toml
[INFO] started frobbing atm-async-utils-0.2.1
[INFO] finished frobbing atm-async-utils-0.2.1
[INFO] frobbed toml for atm-async-utils-0.2.1 written to work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/reg/atm-async-utils/0.2.1/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+7840a0b753a065a41999f1fb6028f67d33e3fdd5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[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: 0.1.27, 0.1.26, 0.1.25, ...
[INFO] [stderr]   location searched: crates.io index
[INFO] [stderr] required by package `atm-async-utils v0.2.1 (/mnt/crater-raid/crater/work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/reg/atm-async-utils/0.2.1)`
[ERROR] this task or one of its parent failed!
[ERROR] overridden task result to broken:yanked
[ERROR] caused by: crate atm-async-utils-0.2.1 depends on yanked crates
[ERROR]