Sep 19 23:23:17.149 INFO checking ogrep-0.2.1 against master#1e21c9a297a9fe668d62887a3a6a4add8e717b17 for pr-54352
Sep 19 23:23:17.149 INFO running: cargo +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets
Sep 19 23:23:17.149 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54352/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-2/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/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 +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 23:23:17.404 INFO blam! c27586db9cdfa75d530c09812d2de1d7be73356f3f6b831ca1c8d78b9de35aef
Sep 19 23:23:17.404 INFO running `"docker" "start" "-a" "c27586db9cdfa75d530c09812d2de1d7be73356f3f6b831ca1c8d78b9de35aef"`
Sep 19 23:23:18.425 INFO kablam! usermod: no changes
Sep 19 23:23:18.581 INFO kablam!     Checking ogrep v0.2.1 (/source)
Sep 19 23:23:19.646 INFO kablam! error[E0283]: type annotations required: cannot resolve `std::borrow::Cow<'_, str>: std::convert::From<&_>`
Sep 19 23:23:19.646 INFO kablam!    --> src/main.rs:541:17
Sep 19 23:23:19.646 INFO kablam!     |
Sep 19 23:23:19.646 INFO kablam! 541 |                 Cow::from(options.pattern.as_ref())
Sep 19 23:23:19.646 INFO kablam!     |                 ^^^^^^^^^
Sep 19 23:23:19.646 INFO kablam!     |
Sep 19 23:23:19.646 INFO kablam!     = note: required by `std::convert::From::from`
Sep 19 23:23:19.646 INFO kablam! 
Sep 19 23:23:19.662 INFO kablam! error: aborting due to previous error
Sep 19 23:23:19.662 INFO kablam! 
Sep 19 23:23:19.662 INFO kablam! For more information about this error, try `rustc --explain E0283`.
Sep 19 23:23:19.668 INFO kablam! error: Could not compile `ogrep`.
Sep 19 23:23:19.668 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 19 23:23:19.718 INFO kablam! error[E0283]: type annotations required: cannot resolve `std::borrow::Cow<'_, str>: std::convert::From<&_>`
Sep 19 23:23:19.718 INFO kablam!    --> src/main.rs:541:17
Sep 19 23:23:19.718 INFO kablam!     |
Sep 19 23:23:19.718 INFO kablam! 541 |                 Cow::from(options.pattern.as_ref())
Sep 19 23:23:19.718 INFO kablam!     |                 ^^^^^^^^^
Sep 19 23:23:19.718 INFO kablam!     |
Sep 19 23:23:19.718 INFO kablam!     = note: required by `std::convert::From::from`
Sep 19 23:23:19.718 INFO kablam! 
Sep 19 23:23:19.734 INFO kablam! error: aborting due to previous error
Sep 19 23:23:19.734 INFO kablam! 
Sep 19 23:23:19.734 INFO kablam! For more information about this error, try `rustc --explain E0283`.
Sep 19 23:23:19.739 INFO kablam! error: Could not compile `ogrep`.
Sep 19 23:23:19.739 INFO kablam! 
Sep 19 23:23:19.739 INFO kablam! To learn more, run the command again with --verbose.
Sep 19 23:23:19.746 INFO kablam! su: No module specific data is present
Sep 19 23:23:20.458 INFO running `"docker" "rm" "-f" "c27586db9cdfa75d530c09812d2de1d7be73356f3f6b831ca1c8d78b9de35aef"`
Sep 19 23:23:20.581 INFO blam! c27586db9cdfa75d530c09812d2de1d7be73356f3f6b831ca1c8d78b9de35aef