Sep 10 13:38:07.394 INFO checking ogrep-0.2.1 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 13:38:07.394 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 13:38:07.394 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-4/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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 +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 13:38:07.559 INFO blam! 64cde20c65aee44e683f88243cba163943cbc7457a8319b0289a0140ef9b0124
Sep 10 13:38:07.566 INFO running `"docker" "start" "-a" "64cde20c65aee44e683f88243cba163943cbc7457a8319b0289a0140ef9b0124"`
Sep 10 13:38:08.487 INFO kablam! usermod: no changes
Sep 10 13:38:08.682 INFO kablam!     Checking ogrep v0.2.1 (file:///source)
Sep 10 13:38:09.408 INFO kablam! error[E0283]: type annotations required: cannot resolve `std::borrow::Cow<'_, str>: std::convert::From<&_>`
Sep 10 13:38:09.408 INFO kablam!    --> src/main.rs:541:17
Sep 10 13:38:09.408 INFO kablam!     |
Sep 10 13:38:09.408 INFO kablam! 541 |                 Cow::from(options.pattern.as_ref())
Sep 10 13:38:09.408 INFO kablam!     |                 ^^^^^^^^^
Sep 10 13:38:09.408 INFO kablam!     |
Sep 10 13:38:09.408 INFO kablam!     = note: required by `std::convert::From::from`
Sep 10 13:38:09.408 INFO kablam! 
Sep 10 13:38:09.424 INFO kablam! error: aborting due to previous error
Sep 10 13:38:09.424 INFO kablam! 
Sep 10 13:38:09.424 INFO kablam! For more information about this error, try `rustc --explain E0283`.
Sep 10 13:38:09.424 INFO kablam! error[E0283]: type annotations required: cannot resolve `std::borrow::Cow<'_, str>: std::convert::From<&_>`
Sep 10 13:38:09.424 INFO kablam!    --> src/main.rs:541:17
Sep 10 13:38:09.424 INFO kablam!     |
Sep 10 13:38:09.424 INFO kablam! 541 |                 Cow::from(options.pattern.as_ref())
Sep 10 13:38:09.424 INFO kablam!     |                 ^^^^^^^^^
Sep 10 13:38:09.424 INFO kablam!     |
Sep 10 13:38:09.424 INFO kablam!     = note: required by `std::convert::From::from`
Sep 10 13:38:09.424 INFO kablam! 
Sep 10 13:38:09.432 INFO kablam! error: Could not compile `ogrep`.
Sep 10 13:38:09.432 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 10 13:38:09.441 INFO kablam! error: aborting due to previous error
Sep 10 13:38:09.441 INFO kablam! 
Sep 10 13:38:09.441 INFO kablam! For more information about this error, try `rustc --explain E0283`.
Sep 10 13:38:09.451 INFO kablam! error: Could not compile `ogrep`.
Sep 10 13:38:09.451 INFO kablam! 
Sep 10 13:38:09.451 INFO kablam! To learn more, run the command again with --verbose.
Sep 10 13:38:09.453 INFO kablam! su: No module specific data is present
Sep 10 13:38:10.120 INFO running `"docker" "rm" "-f" "64cde20c65aee44e683f88243cba163943cbc7457a8319b0289a0140ef9b0124"`
Sep 10 13:38:10.213 INFO blam! 64cde20c65aee44e683f88243cba163943cbc7457a8319b0289a0140ef9b0124