[INFO] cloning repository Keats/gutenberg
[INFO] running `"git" "clone" "--bare" "git://github.com/Keats/gutenberg.git" "work/cache/sources/gh/Keats/gutenberg"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/Keats/gutenberg'...
[INFO] running `"git" "clone" "work/cache/sources/gh/Keats/gutenberg" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Keats/gutenberg"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Keats/gutenberg'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Keats/gutenberg" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Keats/gutenberg"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Keats/gutenberg'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1cc0295637a32a88a7db03e40c6ae8c8d317f3f2
[INFO] sha for GitHub repo Keats/gutenberg: 1cc0295637a32a88a7db03e40c6ae8c8d317f3f2
[INFO] validating manifest of Keats/gutenberg on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Keats/gutenberg on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Keats/gutenberg
[INFO] removed workspace from Keats/gutenberg
[INFO] removed path dependency errors from Keats/gutenberg
[INFO] removed path dependency front_matter from Keats/gutenberg
[INFO] removed path dependency rebuild from Keats/gutenberg
[INFO] removed path dependency site from Keats/gutenberg
[INFO] removed path dependency utils from Keats/gutenberg
[INFO] finished frobbing Keats/gutenberg
[INFO] frobbed toml for Keats/gutenberg written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Keats/gutenberg/Cargo.toml
[INFO] started frobbing Keats/gutenberg
[INFO] removed workspace from Keats/gutenberg
[INFO] removed path dependency errors from Keats/gutenberg
[INFO] removed path dependency front_matter from Keats/gutenberg
[INFO] removed path dependency rebuild from Keats/gutenberg
[INFO] removed path dependency site from Keats/gutenberg
[INFO] removed path dependency utils from Keats/gutenberg
[INFO] finished frobbing Keats/gutenberg
[INFO] frobbed toml for Keats/gutenberg written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Keats/gutenberg/Cargo.toml
[INFO] crate Keats/gutenberg already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: no matching package named `front_matter` found
[INFO] [stderr] location searched: registry `https://github.com/rust-lang/crates.io-index`
[INFO] [stderr] required by package `zola v0.8.0 (/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Keats/gutenberg)`
[ERROR] this task or one of its parent failed!
[ERROR] command `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed