[INFO] updating cached repository jasonwyatt/braid-lib [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/jasonwyatt/braid-lib [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/jasonwyatt/braid-lib" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/jasonwyatt/braid-lib"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/jasonwyatt/braid-lib'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/jasonwyatt/braid-lib" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/jasonwyatt/braid-lib"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/jasonwyatt/braid-lib'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] d836589f662c379d250db0ce614f272ecd08de56 [INFO] sha for GitHub repo jasonwyatt/braid-lib: d836589f662c379d250db0ce614f272ecd08de56 [INFO] validating manifest of jasonwyatt/braid-lib on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of jasonwyatt/braid-lib on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing jasonwyatt/braid-lib [INFO] finished frobbing jasonwyatt/braid-lib [INFO] frobbed toml for jasonwyatt/braid-lib written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/jasonwyatt/braid-lib/Cargo.toml [INFO] started frobbing jasonwyatt/braid-lib [INFO] finished frobbing jasonwyatt/braid-lib [INFO] frobbed toml for jasonwyatt/braid-lib written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/jasonwyatt/braid-lib/Cargo.toml [INFO] crate jasonwyatt/braid-lib already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Updating crates.io index [INFO] [stderr] error: failed to select a version for `bincode`. [INFO] [stderr] ... required by package `braid-lib v0.2.0 (/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/jasonwyatt/braid-lib)` [INFO] [stderr] versions that meet the requirements `^0.8.0` are: 0.8.0 [INFO] [stderr] [INFO] [stderr] the package `braid-lib` depends on `bincode`, with features: `serde` but `bincode` does not have these features. [INFO] [stderr] It has a required dependency with that name, but only optional dependencies can be used as features. [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] failed to select a version for `bincode` 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" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed