[INFO] cloning repository benschulz/maildir-rs
[INFO] running `"git" "clone" "--bare" "git://github.com/benschulz/maildir-rs.git" "work/cache/sources/gh/benschulz/maildir-rs"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/benschulz/maildir-rs'...
[INFO] running `"git" "clone" "work/cache/sources/gh/benschulz/maildir-rs" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/benschulz/maildir-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/benschulz/maildir-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/benschulz/maildir-rs" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/benschulz/maildir-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/benschulz/maildir-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 37fd97a85fcc715810c57223c66dbe3d4eea461c
[INFO] sha for GitHub repo benschulz/maildir-rs: 37fd97a85fcc715810c57223c66dbe3d4eea461c
[INFO] validating manifest of benschulz/maildir-rs 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 benschulz/maildir-rs 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 benschulz/maildir-rs
[INFO] finished frobbing benschulz/maildir-rs
[INFO] frobbed toml for benschulz/maildir-rs written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/benschulz/maildir-rs/Cargo.toml
[INFO] started frobbing benschulz/maildir-rs
[INFO] finished frobbing benschulz/maildir-rs
[INFO] frobbed toml for benschulz/maildir-rs written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/benschulz/maildir-rs/Cargo.toml
[INFO] crate benschulz/maildir-rs 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 git repository `https://github.com/benschulz/acid.git`
[INFO] [stderr]     Updating git repository `https://github.com/andrebeat/rust-lazy.git`
[INFO] [stderr]     Updating git repository `https://github.com/benschulz/rsnotify.git`
[INFO] [stderr] error: failed to load source for a dependency on `notify`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Unable to update https://github.com/benschulz/rsnotify.git?branch=inotify-race#5fc79a2d
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   revspec '5fc79a2de74c8c987947bac8b3c820e19e59148d' not found; class=Reference (4); code=NotFound (-3)
[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