[INFO] cloning repository indirect/matasano_challenges
[INFO] running `"git" "clone" "--bare" "git://github.com/indirect/matasano_challenges.git" "work/cache/sources/gh/indirect/matasano_challenges"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/indirect/matasano_challenges'...
[INFO] running `"git" "clone" "work/cache/sources/gh/indirect/matasano_challenges" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/indirect/matasano_challenges"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/indirect/matasano_challenges'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/indirect/matasano_challenges" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/indirect/matasano_challenges"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/indirect/matasano_challenges'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 77f64748c4668f83b45a7b05ac617369fb5e5062
[INFO] sha for GitHub repo indirect/matasano_challenges: 77f64748c4668f83b45a7b05ac617369fb5e5062
[INFO] validating manifest of indirect/matasano_challenges 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 indirect/matasano_challenges 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 indirect/matasano_challenges
[INFO] removed path dependency crypto from indirect/matasano_challenges
[INFO] removed path dependency decrypt from indirect/matasano_challenges
[INFO] removed path dependency english from indirect/matasano_challenges
[INFO] removed path dependency p from indirect/matasano_challenges
[INFO] removed path dependency type_name from indirect/matasano_challenges
[INFO] removed path dependency xor from indirect/matasano_challenges
[INFO] finished frobbing indirect/matasano_challenges
[INFO] frobbed toml for indirect/matasano_challenges written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/indirect/matasano_challenges/Cargo.toml
[INFO] started frobbing indirect/matasano_challenges
[INFO] removed path dependency crypto from indirect/matasano_challenges
[INFO] removed path dependency decrypt from indirect/matasano_challenges
[INFO] removed path dependency english from indirect/matasano_challenges
[INFO] removed path dependency p from indirect/matasano_challenges
[INFO] removed path dependency type_name from indirect/matasano_challenges
[INFO] removed path dependency xor from indirect/matasano_challenges
[INFO] finished frobbing indirect/matasano_challenges
[INFO] frobbed toml for indirect/matasano_challenges written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/indirect/matasano_challenges/Cargo.toml
[INFO] crate indirect/matasano_challenges 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 `decrypt` found
[INFO] [stderr] location searched: registry `https://github.com/rust-lang/crates.io-index`
[INFO] [stderr] required by package `matasano_challenges v0.0.1 (/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/indirect/matasano_challenges)`
[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