[INFO] crate algebloat 0.0.13 is already in cache
[INFO] extracting crate algebloat 0.0.13 into work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/reg/algebloat/0.0.13
[INFO] extracting crate algebloat 0.0.13 into work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/reg/algebloat/0.0.13
[INFO] validating manifest of algebloat-0.0.13 on toolchain master#d99a320cba42f661aebfa1293b7b2ec3603dda75
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of algebloat-0.0.13 on toolchain try#e70472fc501b855c9080f3772432c10fe20b8866
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing algebloat-0.0.13
[INFO] removed 0 missing examples
[INFO] finished frobbing algebloat-0.0.13
[INFO] frobbed toml for algebloat-0.0.13 written to work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/reg/algebloat/0.0.13/Cargo.toml
[INFO] started frobbing algebloat-0.0.13
[INFO] removed 0 missing examples
[INFO] finished frobbing algebloat-0.0.13
[INFO] frobbed toml for algebloat-0.0.13 written to work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/reg/algebloat/0.0.13/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr] error: failed to select a version for the requirement `chrono = "= 0.3.1"`
[INFO] [stderr]   candidate versions found which didn't match: 0.4.6, 0.4.5, 0.4.4, ...
[INFO] [stderr]   location searched: crates.io index
[INFO] [stderr] required by package `algebloat v0.0.13 (/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/reg/algebloat/0.0.13)`
[ERROR] this task or one of its parent failed!
[ERROR] command `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` failed