[INFO] crate rumblebars 0.3.0 is already in cache [INFO] extracting crate rumblebars 0.3.0 into work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/rumblebars/0.3.0 [INFO] extracting crate rumblebars 0.3.0 into work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/rumblebars/0.3.0 [INFO] validating manifest of rumblebars-0.3.0 on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of rumblebars-0.3.0 on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-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-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/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-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/rumblebars/0.3.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-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-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/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" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` failed