Aug 31 19:46:15.328 INFO checking ogrep-0.2.1 against master#d0d81b7fc1421859ba0218e8a437af29ae3b0967 for pr-53578
Aug 31 19:46:15.328 INFO running: cargo +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets
Aug 31 19:46:15.328 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53578/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-3/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/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 +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 19:46:15.513 INFO blam! 119bf3d16a43639db750df39598edc97f56bd0e8464ac1472608d5411b65051c
Aug 31 19:46:15.522 INFO running `"docker" "start" "-a" "119bf3d16a43639db750df39598edc97f56bd0e8464ac1472608d5411b65051c"`
Aug 31 19:46:16.282 INFO kablam!     Checking ogrep v0.2.1 (file:///source)
Aug 31 19:46:17.554 INFO kablam! error[E0283]: type annotations required: cannot resolve `std::borrow::Cow<'_, str>: std::convert::From<&_>`
Aug 31 19:46:17.554 INFO kablam!    --> src/main.rs:541:17
Aug 31 19:46:17.555 INFO kablam!     |
Aug 31 19:46:17.555 INFO kablam! 541 |                 Cow::from(options.pattern.as_ref())
Aug 31 19:46:17.555 INFO kablam!     |                 ^^^^^^^^^
Aug 31 19:46:17.555 INFO kablam!     |
Aug 31 19:46:17.555 INFO kablam!     = note: required by `std::convert::From::from`
Aug 31 19:46:17.555 INFO kablam! 
Aug 31 19:46:17.584 INFO kablam! error: aborting due to previous error
Aug 31 19:46:17.584 INFO kablam! 
Aug 31 19:46:17.584 INFO kablam! For more information about this error, try `rustc --explain E0283`.
Aug 31 19:46:17.593 INFO kablam! error: Could not compile `ogrep`.
Aug 31 19:46:17.593 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 31 19:46:17.609 INFO kablam! error[E0283]: type annotations required: cannot resolve `std::borrow::Cow<'_, str>: std::convert::From<&_>`
Aug 31 19:46:17.609 INFO kablam!    --> src/main.rs:541:17
Aug 31 19:46:17.609 INFO kablam!     |
Aug 31 19:46:17.610 INFO kablam! 541 |                 Cow::from(options.pattern.as_ref())
Aug 31 19:46:17.610 INFO kablam!     |                 ^^^^^^^^^
Aug 31 19:46:17.610 INFO kablam!     |
Aug 31 19:46:17.610 INFO kablam!     = note: required by `std::convert::From::from`
Aug 31 19:46:17.610 INFO kablam! 
Aug 31 19:46:17.630 INFO kablam! error: aborting due to previous error
Aug 31 19:46:17.630 INFO kablam! 
Aug 31 19:46:17.630 INFO kablam! For more information about this error, try `rustc --explain E0283`.
Aug 31 19:46:17.640 INFO kablam! error: Could not compile `ogrep`.
Aug 31 19:46:17.640 INFO kablam! 
Aug 31 19:46:17.640 INFO kablam! To learn more, run the command again with --verbose.
Aug 31 19:46:17.642 INFO kablam! su: No module specific data is present
Aug 31 19:46:18.094 INFO running `"docker" "rm" "-f" "119bf3d16a43639db750df39598edc97f56bd0e8464ac1472608d5411b65051c"`
Aug 31 19:46:18.177 INFO blam! 119bf3d16a43639db750df39598edc97f56bd0e8464ac1472608d5411b65051c