Aug 31 19:46:15.215 INFO checking ogrep-0.2.1 against try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b for pr-53578
Aug 31 19:46:15.215 INFO running: cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets
Aug 31 19:46:15.215 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53578/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-2/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/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 +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 19:46:15.411 INFO blam! 03b70389c8ad79502010b5424cf8331440d3b9c59adbbc3de4a498f13c33e066
Aug 31 19:46:15.413 INFO running `"docker" "start" "-a" "03b70389c8ad79502010b5424cf8331440d3b9c59adbbc3de4a498f13c33e066"`
Aug 31 19:46:16.091 INFO kablam!     Checking ogrep v0.2.1 (file:///source)
Aug 31 19:46:17.350 INFO kablam! error[E0283]: type annotations required: cannot resolve `std::borrow::Cow<'_, str>: std::convert::From<&_>`
Aug 31 19:46:17.350 INFO kablam!    --> src/main.rs:541:17
Aug 31 19:46:17.351 INFO kablam!     |
Aug 31 19:46:17.351 INFO kablam! 541 |                 Cow::from(options.pattern.as_ref())
Aug 31 19:46:17.351 INFO kablam!     |                 ^^^^^^^^^
Aug 31 19:46:17.351 INFO kablam!     |
Aug 31 19:46:17.351 INFO kablam!     = note: required by `std::convert::From::from`
Aug 31 19:46:17.351 INFO kablam! 
Aug 31 19:46:17.378 INFO kablam! error: aborting due to previous error
Aug 31 19:46:17.378 INFO kablam! 
Aug 31 19:46:17.379 INFO kablam! For more information about this error, try `rustc --explain E0283`.
Aug 31 19:46:17.388 INFO kablam! error: Could not compile `ogrep`.
Aug 31 19:46:17.389 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 31 19:46:17.432 INFO kablam! error[E0283]: type annotations required: cannot resolve `std::borrow::Cow<'_, str>: std::convert::From<&_>`
Aug 31 19:46:17.432 INFO kablam!    --> src/main.rs:541:17
Aug 31 19:46:17.432 INFO kablam!     |
Aug 31 19:46:17.432 INFO kablam! 541 |                 Cow::from(options.pattern.as_ref())
Aug 31 19:46:17.432 INFO kablam!     |                 ^^^^^^^^^
Aug 31 19:46:17.432 INFO kablam!     |
Aug 31 19:46:17.432 INFO kablam!     = note: required by `std::convert::From::from`
Aug 31 19:46:17.433 INFO kablam! 
Aug 31 19:46:17.454 INFO kablam! error: aborting due to previous error
Aug 31 19:46:17.454 INFO kablam! 
Aug 31 19:46:17.454 INFO kablam! For more information about this error, try `rustc --explain E0283`.
Aug 31 19:46:17.465 INFO kablam! error: Could not compile `ogrep`.
Aug 31 19:46:17.465 INFO kablam! 
Aug 31 19:46:17.465 INFO kablam! To learn more, run the command again with --verbose.
Aug 31 19:46:17.467 INFO kablam! su: No module specific data is present
Aug 31 19:46:17.829 INFO running `"docker" "rm" "-f" "03b70389c8ad79502010b5424cf8331440d3b9c59adbbc3de4a498f13c33e066"`
Aug 31 19:46:17.921 INFO blam! 03b70389c8ad79502010b5424cf8331440d3b9c59adbbc3de4a498f13c33e066