Sep 17 16:31:04.893 INFO checking structopt-derive-0.2.7 against master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690 for pr-54033
Sep 17 16:31:04.893 INFO running: cargo +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets
Sep 17 16:31:04.893 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54033/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-2/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/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 +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 16:31:05.052 INFO blam! 0602146e56847f41ddfed232d24d7c55a962ca39b44c7e2a3fbdec386cfafe0a
Sep 17 16:31:05.060 INFO running `"docker" "start" "-a" "0602146e56847f41ddfed232d24d7c55a962ca39b44c7e2a3fbdec386cfafe0a"`
Sep 17 16:31:05.892 INFO kablam! usermod: no changes
Sep 17 16:31:05.932 INFO kablam!     Checking syn v0.13.11
Sep 17 16:31:09.363 INFO kablam!     Checking structopt-derive v0.2.7 (/source)
Sep 17 16:31:11.959 INFO kablam! warning: unused return value of `std::str::<impl str>::replace` which must be used
Sep 17 16:31:11.959 INFO kablam!    --> src/attrs.rs:231:38
Sep 17 16:31:11.959 INFO kablam!     |
Sep 17 16:31:11.960 INFO kablam! 231 |                 if arg == "author" { arg.replace(":", ", "); }
Sep 17 16:31:11.960 INFO kablam!     |                                      ^^^^^^^^^^^^^^^^^^^^^^^
Sep 17 16:31:11.961 INFO kablam!     |
Sep 17 16:31:11.961 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 17 16:31:11.961 INFO kablam!     = note: this returns the replaced string as a new allocation, without modifying the original
Sep 17 16:31:11.962 INFO kablam! 
Sep 17 16:31:12.003 INFO kablam! warning: unused return value of `std::str::<impl str>::replace` which must be used
Sep 17 16:31:12.004 INFO kablam!    --> src/attrs.rs:231:38
Sep 17 16:31:12.004 INFO kablam!     |
Sep 17 16:31:12.005 INFO kablam! 231 |                 if arg == "author" { arg.replace(":", ", "); }
Sep 17 16:31:12.005 INFO kablam!     |                                      ^^^^^^^^^^^^^^^^^^^^^^^
Sep 17 16:31:12.005 INFO kablam!     |
Sep 17 16:31:12.006 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 17 16:31:12.006 INFO kablam!     = note: this returns the replaced string as a new allocation, without modifying the original
Sep 17 16:31:12.007 INFO kablam! 
Sep 17 16:31:12.079 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 6.17s
Sep 17 16:31:12.086 INFO kablam! su: No module specific data is present
Sep 17 16:31:12.871 INFO running `"docker" "rm" "-f" "0602146e56847f41ddfed232d24d7c55a962ca39b44c7e2a3fbdec386cfafe0a"`
Sep 17 16:31:13.119 INFO blam! 0602146e56847f41ddfed232d24d7c55a962ca39b44c7e2a3fbdec386cfafe0a