[INFO] cloning repository mre/pygments-rs
[INFO] running `"git" "clone" "--bare" "git://github.com/mre/pygments-rs.git" "work/cache/sources/gh/mre/pygments-rs"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/mre/pygments-rs'...
[INFO] running `"git" "clone" "work/cache/sources/gh/mre/pygments-rs" "work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/mre/pygments-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/mre/pygments-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mre/pygments-rs" "work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/mre/pygments-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/mre/pygments-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8be949f35a3ca30a6ae445978ce7fe54d8146f5a
[INFO] sha for GitHub repo mre/pygments-rs: 8be949f35a3ca30a6ae445978ce7fe54d8146f5a
[INFO] validating manifest of mre/pygments-rs on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mre/pygments-rs on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mre/pygments-rs
[INFO] finished frobbing mre/pygments-rs
[INFO] frobbed toml for mre/pygments-rs written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/mre/pygments-rs/Cargo.toml
[INFO] started frobbing mre/pygments-rs
[INFO] finished frobbing mre/pygments-rs
[INFO] frobbed toml for mre/pygments-rs written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/mre/pygments-rs/Cargo.toml
[INFO] crate mre/pygments-rs has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating git repository `https://github.com/dgrunwald/rust-cpython.git`
[INFO] [stderr]     Updating git repository `https://github.com/dgrunwald/interpolate_idents.git`
[INFO] [stderr] error: failed to load source for a dependency on `interpolate_idents`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Unable to update https://github.com/dgrunwald/interpolate_idents.git#15251316
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   revspec '152513162a89077e40d2a5d48e3f312b311d4471' not found; class=Reference (4); code=NotFound (-3)
[ERROR] this task or one of its parent failed!
[ERROR] command `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed