[INFO] cloning repository brayniac/ping-rs
[INFO] running `"git" "clone" "--bare" "git://github.com/brayniac/ping-rs.git" "work/cache/sources/gh/brayniac/ping-rs"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/brayniac/ping-rs'...
[INFO] running `"git" "clone" "work/cache/sources/gh/brayniac/ping-rs" "work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/brayniac/ping-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/brayniac/ping-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/brayniac/ping-rs" "work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/brayniac/ping-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/brayniac/ping-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8cacccb60648bf35fce4fe73d89a6319fd99dcff
[INFO] sha for GitHub repo brayniac/ping-rs: 8cacccb60648bf35fce4fe73d89a6319fd99dcff
[INFO] validating manifest of brayniac/ping-rs on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of brayniac/ping-rs on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing brayniac/ping-rs
[INFO] finished frobbing brayniac/ping-rs
[INFO] frobbed toml for brayniac/ping-rs written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/brayniac/ping-rs/Cargo.toml
[INFO] started frobbing brayniac/ping-rs
[INFO] finished frobbing brayniac/ping-rs
[INFO] frobbed toml for brayniac/ping-rs written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/brayniac/ping-rs/Cargo.toml
[INFO] crate brayniac/ping-rs has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: failed to select a version for `rips`.
[INFO] [stderr]     ... required by package `ping-rs v0.1.0 (/mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/brayniac/ping-rs)`
[INFO] [stderr] versions that meet the requirements `= 0.0.0` are: 0.0.0
[INFO] [stderr] 
[INFO] [stderr] the package `ping-rs` depends on `rips`, with features: `netmap` but `rips` does not have these features.
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `rips` 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" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed