Sep 06 03:01:42.499 INFO checking ogrep-0.2.1 against master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6 for pr-53854
Sep 06 03:01:42.499 INFO running: cargo +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets
Sep 06 03:01:42.499 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-53854/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-6/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/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 +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 03:01:42.657 INFO blam! b75dd873fdc9a8ec16c47c9f94b4005e87b826ace792ea2b3ea598f438ff41b1
Sep 06 03:01:42.658 INFO running `"docker" "start" "-a" "b75dd873fdc9a8ec16c47c9f94b4005e87b826ace792ea2b3ea598f438ff41b1"`
Sep 06 03:01:43.677 INFO kablam! usermod: no changes
Sep 06 03:01:43.750 INFO kablam!     Checking ogrep v0.2.1 (file:///source)
Sep 06 03:01:44.432 INFO kablam! error[E0283]: type annotations required: cannot resolve `std::borrow::Cow<'_, str>: std::convert::From<&_>`
Sep 06 03:01:44.432 INFO kablam!    --> src/main.rs:541:17
Sep 06 03:01:44.432 INFO kablam!     |
Sep 06 03:01:44.432 INFO kablam! 541 |                 Cow::from(options.pattern.as_ref())
Sep 06 03:01:44.432 INFO kablam!     |                 ^^^^^^^^^
Sep 06 03:01:44.432 INFO kablam!     |
Sep 06 03:01:44.432 INFO kablam!     = note: required by `std::convert::From::from`
Sep 06 03:01:44.432 INFO kablam! 
Sep 06 03:01:44.448 INFO kablam! error: aborting due to previous error
Sep 06 03:01:44.448 INFO kablam! 
Sep 06 03:01:44.448 INFO kablam! For more information about this error, try `rustc --explain E0283`.
Sep 06 03:01:44.456 INFO kablam! error[E0283]: type annotations required: cannot resolve `std::borrow::Cow<'_, str>: std::convert::From<&_>`
Sep 06 03:01:44.456 INFO kablam!    --> src/main.rs:541:17
Sep 06 03:01:44.456 INFO kablam!     |
Sep 06 03:01:44.456 INFO kablam! 541 |                 Cow::from(options.pattern.as_ref())
Sep 06 03:01:44.456 INFO kablam!     |                 ^^^^^^^^^
Sep 06 03:01:44.456 INFO kablam!     |
Sep 06 03:01:44.456 INFO kablam!     = note: required by `std::convert::From::from`
Sep 06 03:01:44.456 INFO kablam! 
Sep 06 03:01:44.457 INFO kablam! error: Could not compile `ogrep`.
Sep 06 03:01:44.457 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 06 03:01:44.472 INFO kablam! error: aborting due to previous error
Sep 06 03:01:44.472 INFO kablam! 
Sep 06 03:01:44.472 INFO kablam! For more information about this error, try `rustc --explain E0283`.
Sep 06 03:01:44.484 INFO kablam! error: Could not compile `ogrep`.
Sep 06 03:01:44.484 INFO kablam! 
Sep 06 03:01:44.484 INFO kablam! To learn more, run the command again with --verbose.
Sep 06 03:01:44.486 INFO kablam! su: No module specific data is present
Sep 06 03:01:44.906 INFO running `"docker" "rm" "-f" "b75dd873fdc9a8ec16c47c9f94b4005e87b826ace792ea2b3ea598f438ff41b1"`
Sep 06 03:01:44.997 INFO blam! b75dd873fdc9a8ec16c47c9f94b4005e87b826ace792ea2b3ea598f438ff41b1