Sep 10 13:38:08.282 INFO checking ogrep-0.2.1 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 13:38:08.282 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 13:38:08.282 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-3/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/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 +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 13:38:08.454 INFO blam! 573e4f1b5f9f3d41c9c7b8a491b6052f3bea9ed957630a2ac8559f6289aa686f
Sep 10 13:38:08.456 INFO running `"docker" "start" "-a" "573e4f1b5f9f3d41c9c7b8a491b6052f3bea9ed957630a2ac8559f6289aa686f"`
Sep 10 13:38:09.137 INFO kablam! usermod: no changes
Sep 10 13:38:09.240 INFO kablam!     Checking ogrep v0.2.1 (file:///source)
Sep 10 13:38:09.907 INFO kablam! error[E0283]: type annotations required: cannot resolve `std::borrow::Cow<'_, str>: std::convert::From<&_>`
Sep 10 13:38:09.907 INFO kablam!    --> src/main.rs:541:17
Sep 10 13:38:09.907 INFO kablam!     |
Sep 10 13:38:09.907 INFO kablam! 541 |                 Cow::from(options.pattern.as_ref())
Sep 10 13:38:09.907 INFO kablam!     |                 ^^^^^^^^^
Sep 10 13:38:09.907 INFO kablam!     |
Sep 10 13:38:09.907 INFO kablam!     = note: required by `std::convert::From::from`
Sep 10 13:38:09.907 INFO kablam! 
Sep 10 13:38:09.934 INFO kablam! error: aborting due to previous error
Sep 10 13:38:09.934 INFO kablam! 
Sep 10 13:38:09.934 INFO kablam! For more information about this error, try `rustc --explain E0283`.
Sep 10 13:38:09.940 INFO kablam! error: Could not compile `ogrep`.
Sep 10 13:38:09.940 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 10 13:38:09.963 INFO kablam! error[E0283]: type annotations required: cannot resolve `std::borrow::Cow<'_, str>: std::convert::From<&_>`
Sep 10 13:38:09.963 INFO kablam!    --> src/main.rs:541:17
Sep 10 13:38:09.963 INFO kablam!     |
Sep 10 13:38:09.963 INFO kablam! 541 |                 Cow::from(options.pattern.as_ref())
Sep 10 13:38:09.963 INFO kablam!     |                 ^^^^^^^^^
Sep 10 13:38:09.963 INFO kablam!     |
Sep 10 13:38:09.963 INFO kablam!     = note: required by `std::convert::From::from`
Sep 10 13:38:09.963 INFO kablam! 
Sep 10 13:38:09.978 INFO kablam! error: aborting due to previous error
Sep 10 13:38:09.978 INFO kablam! 
Sep 10 13:38:09.978 INFO kablam! For more information about this error, try `rustc --explain E0283`.
Sep 10 13:38:09.989 INFO kablam! error: Could not compile `ogrep`.
Sep 10 13:38:09.989 INFO kablam! 
Sep 10 13:38:09.989 INFO kablam! To learn more, run the command again with --verbose.
Sep 10 13:38:09.991 INFO kablam! su: No module specific data is present
Sep 10 13:38:10.495 INFO running `"docker" "rm" "-f" "573e4f1b5f9f3d41c9c7b8a491b6052f3bea9ed957630a2ac8559f6289aa686f"`
Sep 10 13:38:10.556 INFO blam! 573e4f1b5f9f3d41c9c7b8a491b6052f3bea9ed957630a2ac8559f6289aa686f