[INFO] updating cached repository Rust-Mikrocontroller-Praktikum-2017/roaster
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Rust-Mikrocontroller-Praktikum-2017/roaster
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Rust-Mikrocontroller-Praktikum-2017/roaster" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/Rust-Mikrocontroller-Praktikum-2017/roaster"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/Rust-Mikrocontroller-Praktikum-2017/roaster'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Rust-Mikrocontroller-Praktikum-2017/roaster" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/Rust-Mikrocontroller-Praktikum-2017/roaster"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/Rust-Mikrocontroller-Praktikum-2017/roaster'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 25db232a838df3c8afa484ccbc734846f044794d
[INFO] sha for GitHub repo Rust-Mikrocontroller-Praktikum-2017/roaster: 25db232a838df3c8afa484ccbc734846f044794d
[INFO] validating manifest of Rust-Mikrocontroller-Praktikum-2017/roaster on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Rust-Mikrocontroller-Praktikum-2017/roaster on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Rust-Mikrocontroller-Praktikum-2017/roaster
[INFO] removed path dependency stm32f7_discovery from Rust-Mikrocontroller-Praktikum-2017/roaster
[INFO] finished frobbing Rust-Mikrocontroller-Praktikum-2017/roaster
[INFO] frobbed toml for Rust-Mikrocontroller-Praktikum-2017/roaster written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/Rust-Mikrocontroller-Praktikum-2017/roaster/Cargo.toml
[INFO] started frobbing Rust-Mikrocontroller-Praktikum-2017/roaster
[INFO] removed path dependency stm32f7_discovery from Rust-Mikrocontroller-Praktikum-2017/roaster
[INFO] finished frobbing Rust-Mikrocontroller-Praktikum-2017/roaster
[INFO] frobbed toml for Rust-Mikrocontroller-Praktikum-2017/roaster written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/Rust-Mikrocontroller-Praktikum-2017/roaster/Cargo.toml
[INFO] crate Rust-Mikrocontroller-Praktikum-2017/roaster already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on the registry index
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: no matching package named `stm32f7_discovery` found
[INFO] [stderr] location searched: registry `https://github.com/rust-lang/crates.io-index`
[INFO] [stderr] required by package `roaster v0.1.0 (/mnt/big/crater/work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/Rust-Mikrocontroller-Praktikum-2017/roaster)`
[ERROR] this task or one of its parent failed!
[ERROR] command `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed