Aug 30 08:57:28.349 INFO checking ogrep-0.2.1 against master#545f22340f72ee0efaf6463efb43a2840e3d35db for pr-53699
Aug 30 08:57:28.349 INFO running: cargo +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets
Aug 30 08:57:28.349 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53699/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-2/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/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 +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 08:57:28.549 INFO blam! 2b2aa469af3458226ba3c4d5a852902c32101e57c76d0dec894be645deb87905
Aug 30 08:57:28.552 INFO running `"docker" "start" "-a" "2b2aa469af3458226ba3c4d5a852902c32101e57c76d0dec894be645deb87905"`
Aug 30 08:57:29.205 INFO kablam!     Checking ogrep v0.2.1 (file:///source)
Aug 30 08:57:30.540 INFO kablam! error[E0283]: type annotations required: cannot resolve `std::borrow::Cow<'_, str>: std::convert::From<&_>`
Aug 30 08:57:30.541 INFO kablam!    --> src/main.rs:541:17
Aug 30 08:57:30.541 INFO kablam!     |
Aug 30 08:57:30.541 INFO kablam! 541 |                 Cow::from(options.pattern.as_ref())
Aug 30 08:57:30.541 INFO kablam!     |                 ^^^^^^^^^
Aug 30 08:57:30.541 INFO kablam!     |
Aug 30 08:57:30.541 INFO kablam!     = note: required by `std::convert::From::from`
Aug 30 08:57:30.541 INFO kablam! 
Aug 30 08:57:30.561 INFO kablam! error: aborting due to previous error
Aug 30 08:57:30.561 INFO kablam! 
Aug 30 08:57:30.561 INFO kablam! For more information about this error, try `rustc --explain E0283`.
Aug 30 08:57:30.569 INFO kablam! error: Could not compile `ogrep`.
Aug 30 08:57:30.569 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 30 08:57:30.606 INFO kablam! error[E0283]: type annotations required: cannot resolve `std::borrow::Cow<'_, str>: std::convert::From<&_>`
Aug 30 08:57:30.606 INFO kablam!    --> src/main.rs:541:17
Aug 30 08:57:30.606 INFO kablam!     |
Aug 30 08:57:30.606 INFO kablam! 541 |                 Cow::from(options.pattern.as_ref())
Aug 30 08:57:30.606 INFO kablam!     |                 ^^^^^^^^^
Aug 30 08:57:30.606 INFO kablam!     |
Aug 30 08:57:30.606 INFO kablam!     = note: required by `std::convert::From::from`
Aug 30 08:57:30.606 INFO kablam! 
Aug 30 08:57:30.628 INFO kablam! error: aborting due to previous error
Aug 30 08:57:30.628 INFO kablam! 
Aug 30 08:57:30.628 INFO kablam! For more information about this error, try `rustc --explain E0283`.
Aug 30 08:57:30.639 INFO kablam! error: Could not compile `ogrep`.
Aug 30 08:57:30.639 INFO kablam! 
Aug 30 08:57:30.639 INFO kablam! To learn more, run the command again with --verbose.
Aug 30 08:57:30.641 INFO kablam! su: No module specific data is present
Aug 30 08:57:30.960 INFO running `"docker" "rm" "-f" "2b2aa469af3458226ba3c4d5a852902c32101e57c76d0dec894be645deb87905"`
Aug 30 08:57:31.063 INFO blam! 2b2aa469af3458226ba3c4d5a852902c32101e57c76d0dec894be645deb87905