[INFO] updating cached repository indirect/matasano_challenges
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/indirect/matasano_challenges
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/indirect/matasano_challenges" "work/ex/beta-1.38-1/sources/1.37.0/gh/indirect/matasano_challenges"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/indirect/matasano_challenges'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/indirect/matasano_challenges" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/indirect/matasano_challenges"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of indirect/matasano_challenges on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/gh/indirect/matasano_challenges/Cargo.toml
[INFO] crate indirect/matasano_challenges already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "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/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/indirect/matasano_challenges)`
[ERROR] this task or one of its parent failed!
[ERROR] command `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed