[INFO] cloning repository servo/servo
[INFO] running `"git" "clone" "--bare" "git://github.com/servo/servo.git" "work/cache/sources/gh/servo/servo"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/servo/servo'...
[INFO] running `"git" "clone" "work/cache/sources/gh/servo/servo" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/servo/servo"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/servo/servo'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:   8% (7265/84405)   
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Checking out files: 100% (84405/84405), done.
[INFO] running `"git" "clone" "work/cache/sources/gh/servo/servo" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/servo/servo"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/servo/servo'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:   3% (2685/84405)   
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Checking out files: 100% (84405/84405), done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2b843483722de683c1277f803a9a45dd6afa09cf
[INFO] sha for GitHub repo servo/servo: 2b843483722de683c1277f803a9a45dd6afa09cf
[INFO] validating manifest of servo/servo 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"`
[ERROR] this task or one of its parent failed!
[ERROR] overridden task result to broken:cargo-toml
[ERROR] caused by: invalid syntax in servo/servo's Cargo.toml
[ERROR] caused by: command `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"` failed
[ERROR]