[INFO] crate rumblebars 0.3.0 is already in cache [INFO] extracting crate rumblebars 0.3.0 into work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/rumblebars/0.3.0 [INFO] extracting crate rumblebars 0.3.0 into work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/reg/rumblebars/0.3.0 [INFO] validating manifest of rumblebars-0.3.0 on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of rumblebars-0.3.0 on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing rumblebars-0.3.0 [INFO] finished frobbing rumblebars-0.3.0 [INFO] frobbed toml for rumblebars-0.3.0 written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/rumblebars/0.3.0/Cargo.toml [INFO] started frobbing rumblebars-0.3.0 [INFO] finished frobbing rumblebars-0.3.0 [INFO] frobbed toml for rumblebars-0.3.0 written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/reg/rumblebars/0.3.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] error: failed to select a version for `rustlex_codegen`. [INFO] [stderr] ... required by package `rumblebars v0.3.0 (/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/rumblebars/0.3.0)` [INFO] [stderr] versions that meet the requirements `*` are: 0.4.0, 0.3.4 [INFO] [stderr] [INFO] [stderr] the package `rumblebars` depends on `rustlex_codegen`, with features: `with-syntex` but `rustlex_codegen` does not have these features. [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] failed to select a version for `rustlex_codegen` which could resolve this conflict [ERROR] this task or one of its parent failed! [ERROR] command `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` failed