Aug 17 15:48:36.239 INFO checking ogrep-0.2.1 against master#142bb27373126edf8367f526358b6c72ecf1d8df for pr-53426
Aug 17 15:48:36.239 INFO running: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 17 15:48:36.239 INFO creating container for: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 17 15:48:36.239 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-53426/master#142bb27373126edf8367f526358b6c72ecf1d8df:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53426/worker-4/master#142bb27373126edf8367f526358b6c72ecf1d8df:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 17 15:48:36.453 INFO blam! 0c31aca9fe41f163dee1bd9e937ae091ffd4c35ea209313cbc5de15b493cada6
Aug 17 15:48:36.457 INFO running `"docker" "start" "-a" "0c31aca9fe41f163dee1bd9e937ae091ffd4c35ea209313cbc5de15b493cada6"`
Aug 17 15:48:37.550 INFO kablam!     Checking ogrep v0.2.1 (file:///source)
Aug 17 15:48:39.861 INFO kablam! error[E0283]: type annotations required: cannot resolve `std::borrow::Cow<'_, str>: std::convert::From<&_>`
Aug 17 15:48:39.861 INFO kablam!    --> src/main.rs:541:17
Aug 17 15:48:39.862 INFO kablam!     |
Aug 17 15:48:39.862 INFO kablam! 541 |                 Cow::from(options.pattern.as_ref())
Aug 17 15:48:39.862 INFO kablam!     |                 ^^^^^^^^^
Aug 17 15:48:39.862 INFO kablam!     |
Aug 17 15:48:39.862 INFO kablam!     = note: required by `std::convert::From::from`
Aug 17 15:48:39.862 INFO kablam! 
Aug 17 15:48:39.898 INFO kablam! error: aborting due to previous error
Aug 17 15:48:39.898 INFO kablam! 
Aug 17 15:48:39.898 INFO kablam! For more information about this error, try `rustc --explain E0283`.
Aug 17 15:48:39.910 INFO kablam! error: Could not compile `ogrep`.
Aug 17 15:48:39.911 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 17 15:48:39.929 INFO kablam! error[E0283]: type annotations required: cannot resolve `std::borrow::Cow<'_, str>: std::convert::From<&_>`
Aug 17 15:48:39.929 INFO kablam!    --> src/main.rs:541:17
Aug 17 15:48:39.929 INFO kablam!     |
Aug 17 15:48:39.930 INFO kablam! 541 |                 Cow::from(options.pattern.as_ref())
Aug 17 15:48:39.930 INFO kablam!     |                 ^^^^^^^^^
Aug 17 15:48:39.930 INFO kablam!     |
Aug 17 15:48:39.930 INFO kablam!     = note: required by `std::convert::From::from`
Aug 17 15:48:39.930 INFO kablam! 
Aug 17 15:48:39.959 INFO kablam! error: aborting due to previous error
Aug 17 15:48:39.959 INFO kablam! 
Aug 17 15:48:39.960 INFO kablam! For more information about this error, try `rustc --explain E0283`.
Aug 17 15:48:39.976 INFO kablam! error: Could not compile `ogrep`.
Aug 17 15:48:39.976 INFO kablam! 
Aug 17 15:48:39.976 INFO kablam! To learn more, run the command again with --verbose.
Aug 17 15:48:39.977 INFO kablam! su: No module specific data is present
Aug 17 15:48:40.538 INFO running `"docker" "rm" "-f" "0c31aca9fe41f163dee1bd9e937ae091ffd4c35ea209313cbc5de15b493cada6"`
Aug 17 15:48:40.685 INFO blam! 0c31aca9fe41f163dee1bd9e937ae091ffd4c35ea209313cbc5de15b493cada6