[INFO] crate custom_derive 0.1.7 is already in cache [INFO] extracting crate custom_derive 0.1.7 into work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/reg/custom_derive/0.1.7 [INFO] extracting crate custom_derive 0.1.7 into work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/reg/custom_derive/0.1.7 [INFO] validating manifest of custom_derive-0.1.7 on toolchain master#efe2f32a6b8217425f361ec7c206910c611c03ee [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-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 custom_derive-0.1.7's Cargo.toml [ERROR] caused by: command `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "read-manifest" "--manifest-path" "Cargo.toml"` failed [ERROR]