Sep 14 12:20:07.781 INFO checking ogrep-0.2.1 against try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0 for pr-53578-1
Sep 14 12:20:07.781 INFO running: cargo +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets
Sep 14 12:20:07.782 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-53578-1/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-7/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/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=1000" "-e" "CMD=cargo +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 12:20:07.959 INFO blam! 61673a05df80f0c4dd567160a8debd458f9f113f72008dcc4af347bb135f84ba
Sep 14 12:20:07.960 INFO running `"docker" "start" "-a" "61673a05df80f0c4dd567160a8debd458f9f113f72008dcc4af347bb135f84ba"`
Sep 14 12:20:08.943 INFO kablam! usermod: no changes
Sep 14 12:20:09.059 INFO kablam!     Checking ogrep v0.2.1 (file:///source)
Sep 14 12:20:09.815 INFO kablam! error[E0283]: type annotations required: cannot resolve `std::borrow::Cow<'_, str>: std::convert::From<&_>`
Sep 14 12:20:09.815 INFO kablam!    --> src/main.rs:541:17
Sep 14 12:20:09.815 INFO kablam!     |
Sep 14 12:20:09.815 INFO kablam! 541 |                 Cow::from(options.pattern.as_ref())
Sep 14 12:20:09.815 INFO kablam!     |                 ^^^^^^^^^
Sep 14 12:20:09.815 INFO kablam!     |
Sep 14 12:20:09.815 INFO kablam!     = note: required by `std::convert::From::from`
Sep 14 12:20:09.815 INFO kablam! 
Sep 14 12:20:09.823 INFO kablam! error[E0283]: type annotations required: cannot resolve `std::borrow::Cow<'_, str>: std::convert::From<&_>`
Sep 14 12:20:09.823 INFO kablam!    --> src/main.rs:541:17
Sep 14 12:20:09.823 INFO kablam!     |
Sep 14 12:20:09.823 INFO kablam! 541 |                 Cow::from(options.pattern.as_ref())
Sep 14 12:20:09.823 INFO kablam!     |                 ^^^^^^^^^
Sep 14 12:20:09.823 INFO kablam!     |
Sep 14 12:20:09.823 INFO kablam!     = note: required by `std::convert::From::from`
Sep 14 12:20:09.823 INFO kablam! 
Sep 14 12:20:09.831 INFO kablam! error: aborting due to previous error
Sep 14 12:20:09.831 INFO kablam! 
Sep 14 12:20:09.831 INFO kablam! For more information about this error, try `rustc --explain E0283`.
Sep 14 12:20:09.840 INFO kablam! error: Could not compile `ogrep`.
Sep 14 12:20:09.840 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 14 12:20:09.851 INFO kablam! error: aborting due to previous error
Sep 14 12:20:09.851 INFO kablam! 
Sep 14 12:20:09.851 INFO kablam! For more information about this error, try `rustc --explain E0283`.
Sep 14 12:20:09.862 INFO kablam! error: Could not compile `ogrep`.
Sep 14 12:20:09.862 INFO kablam! 
Sep 14 12:20:09.862 INFO kablam! To learn more, run the command again with --verbose.
Sep 14 12:20:09.863 INFO kablam! su: No module specific data is present
Sep 14 12:20:10.833 INFO running `"docker" "rm" "-f" "61673a05df80f0c4dd567160a8debd458f9f113f72008dcc4af347bb135f84ba"`
Sep 14 12:20:11.066 INFO blam! 61673a05df80f0c4dd567160a8debd458f9f113f72008dcc4af347bb135f84ba