[INFO] cloning repository AdamGoodApp/Rust-Hello-World
[INFO] running `"git" "clone" "--bare" "git://github.com/AdamGoodApp/Rust-Hello-World.git" "work/cache/sources/gh/AdamGoodApp/Rust-Hello-World"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/AdamGoodApp/Rust-Hello-World'...
[INFO] running `"git" "clone" "work/cache/sources/gh/AdamGoodApp/Rust-Hello-World" "work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/AdamGoodApp/Rust-Hello-World"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/AdamGoodApp/Rust-Hello-World'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/AdamGoodApp/Rust-Hello-World" "work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/AdamGoodApp/Rust-Hello-World"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/AdamGoodApp/Rust-Hello-World'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a7ca444f6e2934f07fea3b67b3103748d4fb0226
[INFO] sha for GitHub repo AdamGoodApp/Rust-Hello-World: a7ca444f6e2934f07fea3b67b3103748d4fb0226
[INFO] validating manifest of AdamGoodApp/Rust-Hello-World 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 AdamGoodApp/Rust-Hello-World 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 AdamGoodApp/Rust-Hello-World
[INFO] finished frobbing AdamGoodApp/Rust-Hello-World
[INFO] frobbed toml for AdamGoodApp/Rust-Hello-World written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/AdamGoodApp/Rust-Hello-World/Cargo.toml
[INFO] started frobbing AdamGoodApp/Rust-Hello-World
[INFO] finished frobbing AdamGoodApp/Rust-Hello-World
[INFO] frobbed toml for AdamGoodApp/Rust-Hello-World written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/AdamGoodApp/Rust-Hello-World/Cargo.toml
[INFO] crate AdamGoodApp/Rust-Hello-World 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] error: the lock file /mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/AdamGoodApp/Rust-Hello-World/Cargo.lock needs to be updated but --locked was passed to prevent this
[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