[INFO] updating cached repository archaelus/teensyds
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/archaelus/teensyds
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/archaelus/teensyds" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/archaelus/teensyds"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/archaelus/teensyds'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/archaelus/teensyds" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/archaelus/teensyds"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/archaelus/teensyds'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dbec6b817467b7bd7fc148b199f64abb747726fe
[INFO] sha for GitHub repo archaelus/teensyds: dbec6b817467b7bd7fc148b199f64abb747726fe
[INFO] validating manifest of archaelus/teensyds on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of archaelus/teensyds on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing archaelus/teensyds
[INFO] removed path dependency zinc from archaelus/teensyds
[INFO] finished frobbing archaelus/teensyds
[INFO] frobbed toml for archaelus/teensyds written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/archaelus/teensyds/Cargo.toml
[INFO] started frobbing archaelus/teensyds
[INFO] removed path dependency zinc from archaelus/teensyds
[INFO] finished frobbing archaelus/teensyds
[INFO] frobbed toml for archaelus/teensyds written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/archaelus/teensyds/Cargo.toml
[INFO] crate archaelus/teensyds already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for `zinc`.
[INFO] [stderr]     ... required by package `teensyds v0.1.0 (/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/archaelus/teensyds)`
[INFO] [stderr] versions that meet the requirements `*` are: 0.1.0
[INFO] [stderr] 
[INFO] [stderr] the package `teensyds` depends on `zinc`, with features: `loglib, mcu_k20` but `zinc` does not have these features.
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `zinc` 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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed