Sep 02 05:52:39.109 INFO checking ogrep-0.2.1 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53851
Sep 02 05:52:39.109 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 02 05:52:39.109 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53851/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-3/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 02 05:52:39.293 INFO blam! fef63ff5b6667ed981cd1d19fe232b3170837d0173dc8c29057c7a1f67a95e8d
Sep 02 05:52:39.295 INFO running `"docker" "start" "-a" "fef63ff5b6667ed981cd1d19fe232b3170837d0173dc8c29057c7a1f67a95e8d"`
Sep 02 05:52:39.920 INFO kablam!     Checking ogrep v0.2.1 (file:///source)
Sep 02 05:52:41.075 INFO kablam! error[E0283]: type annotations required: cannot resolve `std::borrow::Cow<'_, str>: std::convert::From<&_>`
Sep 02 05:52:41.075 INFO kablam!    --> src/main.rs:541:17
Sep 02 05:52:41.075 INFO kablam!     |
Sep 02 05:52:41.075 INFO kablam! 541 |                 Cow::from(options.pattern.as_ref())
Sep 02 05:52:41.075 INFO kablam!     |                 ^^^^^^^^^
Sep 02 05:52:41.076 INFO kablam!     |
Sep 02 05:52:41.076 INFO kablam!     = note: required by `std::convert::From::from`
Sep 02 05:52:41.076 INFO kablam! 
Sep 02 05:52:41.095 INFO kablam! error: aborting due to previous error
Sep 02 05:52:41.095 INFO kablam! 
Sep 02 05:52:41.095 INFO kablam! For more information about this error, try `rustc --explain E0283`.
Sep 02 05:52:41.104 INFO kablam! error: Could not compile `ogrep`.
Sep 02 05:52:41.104 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 02 05:52:41.252 INFO kablam! error[E0283]: type annotations required: cannot resolve `std::borrow::Cow<'_, str>: std::convert::From<&_>`
Sep 02 05:52:41.252 INFO kablam!    --> src/main.rs:541:17
Sep 02 05:52:41.253 INFO kablam!     |
Sep 02 05:52:41.253 INFO kablam! 541 |                 Cow::from(options.pattern.as_ref())
Sep 02 05:52:41.253 INFO kablam!     |                 ^^^^^^^^^
Sep 02 05:52:41.253 INFO kablam!     |
Sep 02 05:52:41.253 INFO kablam!     = note: required by `std::convert::From::from`
Sep 02 05:52:41.253 INFO kablam! 
Sep 02 05:52:41.283 INFO kablam! error: aborting due to previous error
Sep 02 05:52:41.283 INFO kablam! 
Sep 02 05:52:41.283 INFO kablam! For more information about this error, try `rustc --explain E0283`.
Sep 02 05:52:41.295 INFO kablam! error: Could not compile `ogrep`.
Sep 02 05:52:41.295 INFO kablam! 
Sep 02 05:52:41.295 INFO kablam! To learn more, run the command again with --verbose.
Sep 02 05:52:41.297 INFO kablam! su: No module specific data is present
Sep 02 05:52:41.704 INFO running `"docker" "rm" "-f" "fef63ff5b6667ed981cd1d19fe232b3170837d0173dc8c29057c7a1f67a95e8d"`
Sep 02 05:52:41.832 INFO blam! fef63ff5b6667ed981cd1d19fe232b3170837d0173dc8c29057c7a1f67a95e8d