[INFO] cloning repository eduardosm/rust-xcb-xi2-test
[INFO] running `"git" "clone" "--bare" "git://github.com/eduardosm/rust-xcb-xi2-test.git" "work/cache/sources/gh/eduardosm/rust-xcb-xi2-test"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/eduardosm/rust-xcb-xi2-test'...
[INFO] running `"git" "clone" "work/cache/sources/gh/eduardosm/rust-xcb-xi2-test" "work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/eduardosm/rust-xcb-xi2-test"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/eduardosm/rust-xcb-xi2-test'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/eduardosm/rust-xcb-xi2-test" "work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/eduardosm/rust-xcb-xi2-test"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/eduardosm/rust-xcb-xi2-test'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a586647ac4a2c70ed956b86156cacac97542760d
[INFO] sha for GitHub repo eduardosm/rust-xcb-xi2-test: a586647ac4a2c70ed956b86156cacac97542760d
[INFO] validating manifest of eduardosm/rust-xcb-xi2-test 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 eduardosm/rust-xcb-xi2-test 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 eduardosm/rust-xcb-xi2-test
[INFO] finished frobbing eduardosm/rust-xcb-xi2-test
[INFO] frobbed toml for eduardosm/rust-xcb-xi2-test written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/eduardosm/rust-xcb-xi2-test/Cargo.toml
[INFO] started frobbing eduardosm/rust-xcb-xi2-test
[INFO] finished frobbing eduardosm/rust-xcb-xi2-test
[INFO] frobbed toml for eduardosm/rust-xcb-xi2-test written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/eduardosm/rust-xcb-xi2-test/Cargo.toml
[INFO] crate eduardosm/rust-xcb-xi2-test 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/eduardosm/rust-xcb.git`
[INFO] [stderr] error: failed to load source for a dependency on `xcb`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Unable to update https://github.com/eduardosm/rust-xcb.git?branch=xinput-improvements#824196e4
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   revspec '824196e4935f93017b6f88eea7898d3d88c92536' 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