Sep 14 12:20:07.917 INFO checking ogrep-0.2.1 against master#90d36fb5905bbe5004f5b465ea14b53d10dae260 for pr-53578-1
Sep 14 12:20:07.917 INFO running: cargo +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets
Sep 14 12:20:07.917 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53578-1/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-0/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/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 +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 12:20:08.125 INFO blam! 41e1e5888dd3061fed81472366afba58cb0fa79a56c6dce9779793d15c4682d8
Sep 14 12:20:08.128 INFO running `"docker" "start" "-a" "41e1e5888dd3061fed81472366afba58cb0fa79a56c6dce9779793d15c4682d8"`
Sep 14 12:20:08.863 INFO kablam! usermod: no changes
Sep 14 12:20:08.946 INFO kablam!     Checking ogrep v0.2.1 (file:///source)
Sep 14 12:20:09.646 INFO kablam! error[E0283]: type annotations required: cannot resolve `std::borrow::Cow<'_, str>: std::convert::From<&_>`
Sep 14 12:20:09.646 INFO kablam!    --> src/main.rs:541:17
Sep 14 12:20:09.646 INFO kablam!     |
Sep 14 12:20:09.646 INFO kablam! 541 |                 Cow::from(options.pattern.as_ref())
Sep 14 12:20:09.646 INFO kablam!     |                 ^^^^^^^^^
Sep 14 12:20:09.646 INFO kablam!     |
Sep 14 12:20:09.646 INFO kablam!     = note: required by `std::convert::From::from`
Sep 14 12:20:09.646 INFO kablam! 
Sep 14 12:20:09.671 INFO kablam! error: aborting due to previous error
Sep 14 12:20:09.671 INFO kablam! 
Sep 14 12:20:09.671 INFO kablam! For more information about this error, try `rustc --explain E0283`.
Sep 14 12:20:09.673 INFO kablam! error: Could not compile `ogrep`.
Sep 14 12:20:09.673 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 14 12:20:09.799 INFO kablam! error[E0283]: type annotations required: cannot resolve `std::borrow::Cow<'_, str>: std::convert::From<&_>`
Sep 14 12:20:09.799 INFO kablam!    --> src/main.rs:541:17
Sep 14 12:20:09.799 INFO kablam!     |
Sep 14 12:20:09.799 INFO kablam! 541 |                 Cow::from(options.pattern.as_ref())
Sep 14 12:20:09.799 INFO kablam!     |                 ^^^^^^^^^
Sep 14 12:20:09.799 INFO kablam!     |
Sep 14 12:20:09.799 INFO kablam!     = note: required by `std::convert::From::from`
Sep 14 12:20:09.799 INFO kablam! 
Sep 14 12:20:09.815 INFO kablam! error: aborting due to previous error
Sep 14 12:20:09.815 INFO kablam! 
Sep 14 12:20:09.815 INFO kablam! For more information about this error, try `rustc --explain E0283`.
Sep 14 12:20:09.820 INFO kablam! error: Could not compile `ogrep`.
Sep 14 12:20:09.820 INFO kablam! 
Sep 14 12:20:09.820 INFO kablam! To learn more, run the command again with --verbose.
Sep 14 12:20:09.821 INFO kablam! su: No module specific data is present
Sep 14 12:20:10.765 INFO running `"docker" "rm" "-f" "41e1e5888dd3061fed81472366afba58cb0fa79a56c6dce9779793d15c4682d8"`
Sep 14 12:20:11.012 INFO blam! 41e1e5888dd3061fed81472366afba58cb0fa79a56c6dce9779793d15c4682d8