[INFO] updating cached repository mickvangelderen/opengl-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mickvangelderen/opengl-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mickvangelderen/opengl-rust" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/mickvangelderen/opengl-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/mickvangelderen/opengl-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mickvangelderen/opengl-rust" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/mickvangelderen/opengl-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/mickvangelderen/opengl-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 76b447d97a3c568ba99cda54e8e63864165a63da
[INFO] sha for GitHub repo mickvangelderen/opengl-rust: 76b447d97a3c568ba99cda54e8e63864165a63da
[INFO] validating manifest of mickvangelderen/opengl-rust 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 mickvangelderen/opengl-rust 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 mickvangelderen/opengl-rust
[INFO] removed workspace from mickvangelderen/opengl-rust
[INFO] removed path dependency simple-field-offset from mickvangelderen/opengl-rust
[INFO] finished frobbing mickvangelderen/opengl-rust
[INFO] frobbed toml for mickvangelderen/opengl-rust written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/mickvangelderen/opengl-rust/Cargo.toml
[INFO] started frobbing mickvangelderen/opengl-rust
[INFO] removed workspace from mickvangelderen/opengl-rust
[INFO] removed path dependency simple-field-offset from mickvangelderen/opengl-rust
[INFO] finished frobbing mickvangelderen/opengl-rust
[INFO] frobbed toml for mickvangelderen/opengl-rust written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/mickvangelderen/opengl-rust/Cargo.toml
[INFO] crate mickvangelderen/opengl-rust 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 `simple-field-offset` found
[INFO] [stderr] location searched: registry `https://github.com/rust-lang/crates.io-index`
[INFO] [stderr] required by package `opengl-experiment v0.1.0 (/mnt/big/crater/work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/mickvangelderen/opengl-rust)`
[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